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Unified Diff: src/site/samples/searchable_list/example/packages/polymer/src/js/polymer/polymer.concat.js

Issue 1387723002: Updating the samples page to reflect the examples that have been retired. (Closed) Base URL: https://github.com/dart-lang/www.dartlang.org.git@master
Patch Set: Created 5 years, 2 months ago
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Index: src/site/samples/searchable_list/example/packages/polymer/src/js/polymer/polymer.concat.js
diff --git a/src/site/samples/searchable_list/example/packages/polymer/src/js/polymer/polymer.concat.js b/src/site/samples/searchable_list/example/packages/polymer/src/js/polymer/polymer.concat.js
deleted file mode 100644
index 816116fdded03a7826dc3a1c2b2bff338c4d2e60..0000000000000000000000000000000000000000
--- a/src/site/samples/searchable_list/example/packages/polymer/src/js/polymer/polymer.concat.js
+++ /dev/null
@@ -1,6612 +0,0 @@
-/**
- * @license
- * Copyright (c) 2014 The Polymer Project Authors. All rights reserved.
- * This code may only be used under the BSD style license found at http://polymer.github.io/LICENSE.txt
- * The complete set of authors may be found at http://polymer.github.io/AUTHORS.txt
- * The complete set of contributors may be found at http://polymer.github.io/CONTRIBUTORS.txt
- * Code distributed by Google as part of the polymer project is also
- * subject to an additional IP rights grant found at http://polymer.github.io/PATENTS.txt
- */
-window.PolymerGestures = {
- hasSDPolyfill: Boolean(window.ShadowDOMPolyfill)
-};
-PolymerGestures.wrap = PolymerGestures.hasSDPolyfill ? ShadowDOMPolyfill.wrapIfNeeded : function(a){ return a; };
-
-/*
- * Copyright (c) 2014 The Polymer Project Authors. All rights reserved.
- * This code may only be used under the BSD style license found at http://polymer.github.io/LICENSE.txt
- * The complete set of authors may be found at http://polymer.github.io/AUTHORS.txt
- * The complete set of contributors may be found at http://polymer.github.io/CONTRIBUTORS.txt
- * Code distributed by Google as part of the polymer project is also
- * subject to an additional IP rights grant found at http://polymer.github.io/PATENTS.txt
- */
-
-(function(scope) {
- var HAS_FULL_PATH = false;
-
- // test for full event path support
- var pathTest = document.createElement('meta');
- if (!scope.hasSDPolyfill && pathTest.createShadowRoot) {
- var sr = pathTest.createShadowRoot();
- var s = document.createElement('span');
- sr.appendChild(s);
- pathTest.addEventListener('testpath', function(ev) {
- if (ev.path) {
- // if the span is in the event path, then path[0] is the real source for all events
- HAS_FULL_PATH = ev.path[0] === s;
- }
- ev.stopPropagation();
- });
- var ev = new CustomEvent('testpath', {bubbles: true});
- // must add node to DOM to trigger event listener
- document.head.appendChild(pathTest);
- s.dispatchEvent(ev);
- pathTest.parentNode.removeChild(pathTest);
- sr = s = null;
- }
- pathTest = null;
-
- var target = {
- shadow: function(inEl) {
- if (inEl) {
- return inEl.shadowRoot || inEl.webkitShadowRoot;
- }
- },
- canTarget: function(shadow) {
- return shadow && Boolean(shadow.elementFromPoint);
- },
- targetingShadow: function(inEl) {
- var s = this.shadow(inEl);
- if (this.canTarget(s)) {
- return s;
- }
- },
- olderShadow: function(shadow) {
- var os = shadow.olderShadowRoot;
- if (!os) {
- var se = shadow.querySelector('shadow');
- if (se) {
- os = se.olderShadowRoot;
- }
- }
- return os;
- },
- allShadows: function(element) {
- var shadows = [], s = this.shadow(element);
- while(s) {
- shadows.push(s);
- s = this.olderShadow(s);
- }
- return shadows;
- },
- searchRoot: function(inRoot, x, y) {
- var t, st, sr, os;
- if (inRoot) {
- t = inRoot.elementFromPoint(x, y);
- if (t) {
- // found element, check if it has a ShadowRoot
- sr = this.targetingShadow(t);
- } else if (inRoot !== document) {
- // check for sibling roots
- sr = this.olderShadow(inRoot);
- }
- // search other roots, fall back to light dom element
- return this.searchRoot(sr, x, y) || t;
- }
- },
- owner: function(element) {
- if (!element) {
- return document;
- }
- var s = element;
- // walk up until you hit the shadow root or document
- while (s.parentNode) {
- s = s.parentNode;
- }
- // the owner element is expected to be a Document or ShadowRoot
- if (s.nodeType != Node.DOCUMENT_NODE && s.nodeType != Node.DOCUMENT_FRAGMENT_NODE) {
- s = document;
- }
- return s;
- },
- findTarget: function(inEvent) {
- if (HAS_FULL_PATH && inEvent.path) {
- return inEvent.path[0];
- }
- var x = inEvent.clientX, y = inEvent.clientY;
- // if the listener is in the shadow root, it is much faster to start there
- var s = this.owner(inEvent.target);
- // if x, y is not in this root, fall back to document search
- if (!s.elementFromPoint(x, y)) {
- s = document;
- }
- return this.searchRoot(s, x, y);
- },
- findScrollAxis: function(inEvent) {
- var n;
- if (HAS_FULL_PATH && inEvent.path) {
- var path = inEvent.path;
- for (var i = 0; i < path.length; i++) {
- n = path[i];
- if (n._scrollType) {
- return n._scrollType;
- }
- }
- } else {
- n = scope.wrap(inEvent.currentTarget);
- while(n) {
- if (n._scrollType) {
- return n._scrollType;
- }
- n = n.parentNode || n.host;
- }
- }
- },
- LCA: function(a, b) {
- if (a === b) {
- return a;
- }
- if (a && !b) {
- return a;
- }
- if (b && !a) {
- return b;
- }
- if (!b && !a) {
- return document;
- }
- // fast case, a is a direct descendant of b or vice versa
- if (a.contains && a.contains(b)) {
- return a;
- }
- if (b.contains && b.contains(a)) {
- return b;
- }
- var adepth = this.depth(a);
- var bdepth = this.depth(b);
- var d = adepth - bdepth;
- if (d >= 0) {
- a = this.walk(a, d);
- } else {
- b = this.walk(b, -d);
- }
- while (a && b && a !== b) {
- a = a.parentNode || a.host;
- b = b.parentNode || b.host;
- }
- return a;
- },
- walk: function(n, u) {
- for (var i = 0; n && (i < u); i++) {
- n = n.parentNode || n.host;
- }
- return n;
- },
- depth: function(n) {
- var d = 0;
- while(n) {
- d++;
- n = n.parentNode || n.host;
- }
- return d;
- },
- deepContains: function(a, b) {
- var common = this.LCA(a, b);
- // if a is the common ancestor, it must "deeply" contain b
- return common === a;
- },
- insideNode: function(node, x, y) {
- var rect = node.getBoundingClientRect();
- return (rect.left <= x) && (x <= rect.right) && (rect.top <= y) && (y <= rect.bottom);
- }
- };
- scope.targetFinding = target;
- /**
- * Given an event, finds the "deepest" node that could have been the original target before ShadowDOM retargetting
- *
- * @param {Event} Event An event object with clientX and clientY properties
- * @return {Element} The probable event origninator
- */
- scope.findTarget = target.findTarget.bind(target);
- /**
- * Determines if the "container" node deeply contains the "containee" node, including situations where the "containee" is contained by one or more ShadowDOM
- * roots.
- *
- * @param {Node} container
- * @param {Node} containee
- * @return {Boolean}
- */
- scope.deepContains = target.deepContains.bind(target);
-
- /**
- * Determines if the x/y position is inside the given node.
- *
- * Example:
- *
- * function upHandler(event) {
- * var innode = PolymerGestures.insideNode(event.target, event.clientX, event.clientY);
- * if (innode) {
- * // wait for tap?
- * } else {
- * // tap will never happen
- * }
- * }
- *
- * @param {Node} node
- * @param {Number} x Screen X position
- * @param {Number} y screen Y position
- * @return {Boolean}
- */
- scope.insideNode = target.insideNode;
-
-})(window.PolymerGestures);
-
-/*
- *
- * Copyright (c) 2014 The Polymer Project Authors. All rights reserved.
- * This code may only be used under the BSD style license found at http://polymer.github.io/LICENSE.txt
- * The complete set of authors may be found at http://polymer.github.io/AUTHORS.txt
- * The complete set of contributors may be found at http://polymer.github.io/CONTRIBUTORS.txt
- * Code distributed by Google as part of the polymer project is also
- * subject to an additional IP rights grant found at http://polymer.github.io/PATENTS.txt
- */
-
-(function() {
- function shadowSelector(v) {
- return 'body /deep/ ' + selector(v);
- }
- function selector(v) {
- return '[touch-action="' + v + '"]';
- }
- function rule(v) {
- return '{ -ms-touch-action: ' + v + '; touch-action: ' + v + ';}';
- }
- var attrib2css = [
- 'none',
- 'auto',
- 'pan-x',
- 'pan-y',
- {
- rule: 'pan-x pan-y',
- selectors: [
- 'pan-x pan-y',
- 'pan-y pan-x'
- ]
- },
- 'manipulation'
- ];
- var styles = '';
- // only install stylesheet if the browser has touch action support
- var head = document.head;
- var hasTouchAction = typeof document.head.style.touchAction === 'string';
- // only add shadow selectors if shadowdom is supported
- var hasShadowRoot = !window.ShadowDOMPolyfill && document.head.createShadowRoot;
-
- if (hasTouchAction) {
- attrib2css.forEach(function(r) {
- if (String(r) === r) {
- styles += selector(r) + rule(r) + '\n';
- if (hasShadowRoot) {
- styles += shadowSelector(r) + rule(r) + '\n';
- }
- } else {
- styles += r.selectors.map(selector) + rule(r.rule) + '\n';
- if (hasShadowRoot) {
- styles += r.selectors.map(shadowSelector) + rule(r.rule) + '\n';
- }
- }
- });
-
- var el = document.createElement('style');
- el.textContent = styles;
- document.head.appendChild(el);
- }
-})();
-
-/*
- * Copyright (c) 2014 The Polymer Project Authors. All rights reserved.
- * This code may only be used under the BSD style license found at http://polymer.github.io/LICENSE.txt
- * The complete set of authors may be found at http://polymer.github.io/AUTHORS.txt
- * The complete set of contributors may be found at http://polymer.github.io/CONTRIBUTORS.txt
- * Code distributed by Google as part of the polymer project is also
- * subject to an additional IP rights grant found at http://polymer.github.io/PATENTS.txt
- */
-
-/**
- * This is the constructor for new PointerEvents.
- *
- * New Pointer Events must be given a type, and an optional dictionary of
- * initialization properties.
- *
- * Due to certain platform requirements, events returned from the constructor
- * identify as MouseEvents.
- *
- * @constructor
- * @param {String} inType The type of the event to create.
- * @param {Object} [inDict] An optional dictionary of initial event properties.
- * @return {Event} A new PointerEvent of type `inType` and initialized with properties from `inDict`.
- */
-(function(scope) {
-
- var MOUSE_PROPS = [
- 'bubbles',
- 'cancelable',
- 'view',
- 'detail',
- 'screenX',
- 'screenY',
- 'clientX',
- 'clientY',
- 'ctrlKey',
- 'altKey',
- 'shiftKey',
- 'metaKey',
- 'button',
- 'relatedTarget',
- 'pageX',
- 'pageY'
- ];
-
- var MOUSE_DEFAULTS = [
- false,
- false,
- null,
- null,
- 0,
- 0,
- 0,
- 0,
- false,
- false,
- false,
- false,
- 0,
- null,
- 0,
- 0
- ];
-
- var NOP_FACTORY = function(){ return function(){}; };
-
- var eventFactory = {
- // TODO(dfreedm): this is overridden by tap recognizer, needs review
- preventTap: NOP_FACTORY,
- makeBaseEvent: function(inType, inDict) {
- var e = document.createEvent('Event');
- e.initEvent(inType, inDict.bubbles || false, inDict.cancelable || false);
- e.preventTap = eventFactory.preventTap(e);
- return e;
- },
- makeGestureEvent: function(inType, inDict) {
- inDict = inDict || Object.create(null);
-
- var e = this.makeBaseEvent(inType, inDict);
- for (var i = 0, keys = Object.keys(inDict), k; i < keys.length; i++) {
- k = keys[i];
- e[k] = inDict[k];
- }
- return e;
- },
- makePointerEvent: function(inType, inDict) {
- inDict = inDict || Object.create(null);
-
- var e = this.makeBaseEvent(inType, inDict);
- // define inherited MouseEvent properties
- for(var i = 0, p; i < MOUSE_PROPS.length; i++) {
- p = MOUSE_PROPS[i];
- e[p] = inDict[p] || MOUSE_DEFAULTS[i];
- }
- e.buttons = inDict.buttons || 0;
-
- // Spec requires that pointers without pressure specified use 0.5 for down
- // state and 0 for up state.
- var pressure = 0;
- if (inDict.pressure) {
- pressure = inDict.pressure;
- } else {
- pressure = e.buttons ? 0.5 : 0;
- }
-
- // add x/y properties aliased to clientX/Y
- e.x = e.clientX;
- e.y = e.clientY;
-
- // define the properties of the PointerEvent interface
- e.pointerId = inDict.pointerId || 0;
- e.width = inDict.width || 0;
- e.height = inDict.height || 0;
- e.pressure = pressure;
- e.tiltX = inDict.tiltX || 0;
- e.tiltY = inDict.tiltY || 0;
- e.pointerType = inDict.pointerType || '';
- e.hwTimestamp = inDict.hwTimestamp || 0;
- e.isPrimary = inDict.isPrimary || false;
- e._source = inDict._source || '';
- return e;
- }
- };
-
- scope.eventFactory = eventFactory;
-})(window.PolymerGestures);
-
-/*
- * Copyright (c) 2014 The Polymer Project Authors. All rights reserved.
- * This code may only be used under the BSD style license found at http://polymer.github.io/LICENSE.txt
- * The complete set of authors may be found at http://polymer.github.io/AUTHORS.txt
- * The complete set of contributors may be found at http://polymer.github.io/CONTRIBUTORS.txt
- * Code distributed by Google as part of the polymer project is also
- * subject to an additional IP rights grant found at http://polymer.github.io/PATENTS.txt
- */
-
-/**
- * This module implements an map of pointer states
- */
-(function(scope) {
- var USE_MAP = window.Map && window.Map.prototype.forEach;
- var POINTERS_FN = function(){ return this.size; };
- function PointerMap() {
- if (USE_MAP) {
- var m = new Map();
- m.pointers = POINTERS_FN;
- return m;
- } else {
- this.keys = [];
- this.values = [];
- }
- }
-
- PointerMap.prototype = {
- set: function(inId, inEvent) {
- var i = this.keys.indexOf(inId);
- if (i > -1) {
- this.values[i] = inEvent;
- } else {
- this.keys.push(inId);
- this.values.push(inEvent);
- }
- },
- has: function(inId) {
- return this.keys.indexOf(inId) > -1;
- },
- 'delete': function(inId) {
- var i = this.keys.indexOf(inId);
- if (i > -1) {
- this.keys.splice(i, 1);
- this.values.splice(i, 1);
- }
- },
- get: function(inId) {
- var i = this.keys.indexOf(inId);
- return this.values[i];
- },
- clear: function() {
- this.keys.length = 0;
- this.values.length = 0;
- },
- // return value, key, map
- forEach: function(callback, thisArg) {
- this.values.forEach(function(v, i) {
- callback.call(thisArg, v, this.keys[i], this);
- }, this);
- },
- pointers: function() {
- return this.keys.length;
- }
- };
-
- scope.PointerMap = PointerMap;
-})(window.PolymerGestures);
-
-/*
- * Copyright (c) 2014 The Polymer Project Authors. All rights reserved.
- * This code may only be used under the BSD style license found at http://polymer.github.io/LICENSE.txt
- * The complete set of authors may be found at http://polymer.github.io/AUTHORS.txt
- * The complete set of contributors may be found at http://polymer.github.io/CONTRIBUTORS.txt
- * Code distributed by Google as part of the polymer project is also
- * subject to an additional IP rights grant found at http://polymer.github.io/PATENTS.txt
- */
-
-(function(scope) {
- var CLONE_PROPS = [
- // MouseEvent
- 'bubbles',
- 'cancelable',
- 'view',
- 'detail',
- 'screenX',
- 'screenY',
- 'clientX',
- 'clientY',
- 'ctrlKey',
- 'altKey',
- 'shiftKey',
- 'metaKey',
- 'button',
- 'relatedTarget',
- // DOM Level 3
- 'buttons',
- // PointerEvent
- 'pointerId',
- 'width',
- 'height',
- 'pressure',
- 'tiltX',
- 'tiltY',
- 'pointerType',
- 'hwTimestamp',
- 'isPrimary',
- // event instance
- 'type',
- 'target',
- 'currentTarget',
- 'which',
- 'pageX',
- 'pageY',
- 'timeStamp',
- // gesture addons
- 'preventTap',
- 'tapPrevented',
- '_source'
- ];
-
- var CLONE_DEFAULTS = [
- // MouseEvent
- false,
- false,
- null,
- null,
- 0,
- 0,
- 0,
- 0,
- false,
- false,
- false,
- false,
- 0,
- null,
- // DOM Level 3
- 0,
- // PointerEvent
- 0,
- 0,
- 0,
- 0,
- 0,
- 0,
- '',
- 0,
- false,
- // event instance
- '',
- null,
- null,
- 0,
- 0,
- 0,
- 0,
- function(){},
- false
- ];
-
- var HAS_SVG_INSTANCE = (typeof SVGElementInstance !== 'undefined');
-
- var eventFactory = scope.eventFactory;
-
- var hasSDPolyfill = scope.hasSDPolyfill;
- var wrap = scope.wrap;
-
- /**
- * This module is for normalizing events. Mouse and Touch events will be
- * collected here, and fire PointerEvents that have the same semantics, no
- * matter the source.
- * Events fired:
- * - pointerdown: a pointing is added
- * - pointerup: a pointer is removed
- * - pointermove: a pointer is moved
- * - pointerover: a pointer crosses into an element
- * - pointerout: a pointer leaves an element
- * - pointercancel: a pointer will no longer generate events
- */
- var dispatcher = {
- pointermap: new scope.PointerMap(),
- eventMap: Object.create(null),
- // Scope objects for native events.
- // This exists for ease of testing.
- eventSources: Object.create(null),
- eventSourceList: [],
- gestures: [],
- gestureQueue: [],
- /**
- * Add a new event source that will generate pointer events.
- *
- * `inSource` must contain an array of event names named `events`, and
- * functions with the names specified in the `events` array.
- * @param {string} name A name for the event source
- * @param {Object} source A new source of platform events.
- */
- registerSource: function(name, source) {
- var s = source;
- var newEvents = s.events;
- if (newEvents) {
- newEvents.forEach(function(e) {
- if (s[e]) {
- this.eventMap[e] = s[e].bind(s);
- }
- }, this);
- this.eventSources[name] = s;
- this.eventSourceList.push(s);
- }
- },
- registerGesture: function(name, source) {
- this.gestures.push(source);
- },
- register: function(element) {
- var l = this.eventSourceList.length;
- for (var i = 0, es; (i < l) && (es = this.eventSourceList[i]); i++) {
- // call eventsource register
- es.register.call(es, element);
- }
- },
- unregister: function(element) {
- var l = this.eventSourceList.length;
- for (var i = 0, es; (i < l) && (es = this.eventSourceList[i]); i++) {
- // call eventsource register
- es.unregister.call(es, element);
- }
- },
- // EVENTS
- down: function(inEvent) {
- this.fireEvent('down', inEvent);
- },
- move: function(inEvent) {
- // pipe move events into gesture queue directly
- inEvent.type = 'move';
- this.fillGestureQueue(inEvent);
- },
- up: function(inEvent) {
- this.fireEvent('up', inEvent);
- },
- cancel: function(inEvent) {
- inEvent.tapPrevented = true;
- this.fireEvent('up', inEvent);
- },
- // LISTENER LOGIC
- eventHandler: function(inEvent) {
- // This is used to prevent multiple dispatch of events from
- // platform events. This can happen when two elements in different scopes
- // are set up to create pointer events, which is relevant to Shadow DOM.
- if (inEvent._handledByPG) {
- return;
- }
- var type = inEvent.type;
- var fn = this.eventMap && this.eventMap[type];
- if (fn) {
- fn(inEvent);
- }
- inEvent._handledByPG = true;
- },
- // set up event listeners
- listen: function(target, events) {
- for (var i = 0, l = events.length, e; (i < l) && (e = events[i]); i++) {
- this.addEvent(target, e);
- }
- },
- // remove event listeners
- unlisten: function(target, events) {
- for (var i = 0, l = events.length, e; (i < l) && (e = events[i]); i++) {
- this.removeEvent(target, e);
- }
- },
- addEvent: function(target, eventName) {
- // NOTE: Work around for #4, use native event listener in SD Polyfill
- if (hasSDPolyfill) {
- target.addEventListener_(eventName, this.boundHandler);
- } else {
- target.addEventListener(eventName, this.boundHandler);
- }
- },
- removeEvent: function(target, eventName) {
- // NOTE: Work around for #4, use native event listener in SD Polyfill
- if (hasSDPolyfill) {
- target.removeEventListener_(eventName, this.boundHandler);
- } else {
- target.removeEventListener(eventName, this.boundHandler);
- }
- },
- // EVENT CREATION AND TRACKING
- /**
- * Creates a new Event of type `inType`, based on the information in
- * `inEvent`.
- *
- * @param {string} inType A string representing the type of event to create
- * @param {Event} inEvent A platform event with a target
- * @return {Event} A PointerEvent of type `inType`
- */
- makeEvent: function(inType, inEvent) {
- var e = eventFactory.makePointerEvent(inType, inEvent);
- e.preventDefault = inEvent.preventDefault;
- e.tapPrevented = inEvent.tapPrevented;
- e._target = e._target || inEvent.target;
- return e;
- },
- // make and dispatch an event in one call
- fireEvent: function(inType, inEvent) {
- var e = this.makeEvent(inType, inEvent);
- return this.dispatchEvent(e);
- },
- /**
- * Returns a snapshot of inEvent, with writable properties.
- *
- * @param {Event} inEvent An event that contains properties to copy.
- * @return {Object} An object containing shallow copies of `inEvent`'s
- * properties.
- */
- cloneEvent: function(inEvent) {
- var eventCopy = Object.create(null), p;
- for (var i = 0; i < CLONE_PROPS.length; i++) {
- p = CLONE_PROPS[i];
- eventCopy[p] = inEvent[p] || CLONE_DEFAULTS[i];
- // Work around SVGInstanceElement shadow tree
- // Return the <use> element that is represented by the instance for Safari, Chrome, IE.
- // This is the behavior implemented by Firefox.
- if (p === 'target' || p === 'relatedTarget') {
- if (HAS_SVG_INSTANCE && eventCopy[p] instanceof SVGElementInstance) {
- eventCopy[p] = eventCopy[p].correspondingUseElement;
- }
- eventCopy[p] = wrap(eventCopy[p]);
- }
- }
- // keep the semantics of preventDefault
- eventCopy.preventDefault = inEvent.preventDefault;
- return eventCopy;
- },
- /**
- * Dispatches the event to its target.
- *
- * @param {Event} inEvent The event to be dispatched.
- * @return {Boolean} True if an event handler returns true, false otherwise.
- */
- dispatchEvent: function(inEvent) {
- var t = inEvent._target;
- if (t) {
- t.dispatchEvent(inEvent);
- // clone the event for the gesture system to process
- // clone after dispatch to pick up gesture prevention code
- var clone = this.cloneEvent(inEvent);
- clone.target = t;
- this.fillGestureQueue(clone);
- }
- },
- gestureTrigger: function() {
- // process the gesture queue
- for (var i = 0, e; i < this.gestureQueue.length; i++) {
- e = this.gestureQueue[i];
- for (var j = 0, g, fn; j < this.gestures.length; j++) {
- g = this.gestures[j];
- fn = g[e.type];
- if (fn) {
- fn.call(g, e);
- }
- }
- }
- this.gestureQueue.length = 0;
- },
- fillGestureQueue: function(ev) {
- // only trigger the gesture queue once
- if (!this.gestureQueue.length) {
- requestAnimationFrame(this.boundGestureTrigger);
- }
- this.gestureQueue.push(ev);
- }
- };
- dispatcher.boundHandler = dispatcher.eventHandler.bind(dispatcher);
- dispatcher.boundGestureTrigger = dispatcher.gestureTrigger.bind(dispatcher);
- scope.dispatcher = dispatcher;
- scope.register = function(root) {
- dispatcher.register(root);
- };
- scope.unregister = dispatcher.unregister.bind(dispatcher);
- scope.wrap = wrap;
-})(window.PolymerGestures);
-
-/*
- * Copyright (c) 2014 The Polymer Project Authors. All rights reserved.
- * This code may only be used under the BSD style license found at http://polymer.github.io/LICENSE.txt
- * The complete set of authors may be found at http://polymer.github.io/AUTHORS.txt
- * The complete set of contributors may be found at http://polymer.github.io/CONTRIBUTORS.txt
- * Code distributed by Google as part of the polymer project is also
- * subject to an additional IP rights grant found at http://polymer.github.io/PATENTS.txt
- */
-
-/**
- * This module uses Mutation Observers to dynamically adjust which nodes will
- * generate Pointer Events.
- *
- * All nodes that wish to generate Pointer Events must have the attribute
- * `touch-action` set to `none`.
- */
-(function(scope) {
- var forEach = Array.prototype.forEach.call.bind(Array.prototype.forEach);
- var map = Array.prototype.map.call.bind(Array.prototype.map);
- var toArray = Array.prototype.slice.call.bind(Array.prototype.slice);
- var filter = Array.prototype.filter.call.bind(Array.prototype.filter);
- var MO = window.MutationObserver || window.WebKitMutationObserver;
- var SELECTOR = '[touch-action]';
- var OBSERVER_INIT = {
- subtree: true,
- childList: true,
- attributes: true,
- attributeOldValue: true,
- attributeFilter: ['touch-action']
- };
-
- function Installer(add, remove, changed, binder) {
- this.addCallback = add.bind(binder);
- this.removeCallback = remove.bind(binder);
- this.changedCallback = changed.bind(binder);
- if (MO) {
- this.observer = new MO(this.mutationWatcher.bind(this));
- }
- }
-
- Installer.prototype = {
- watchSubtree: function(target) {
- // Only watch scopes that can target find, as these are top-level.
- // Otherwise we can see duplicate additions and removals that add noise.
- //
- // TODO(dfreedman): For some instances with ShadowDOMPolyfill, we can see
- // a removal without an insertion when a node is redistributed among
- // shadows. Since it all ends up correct in the document, watching only
- // the document will yield the correct mutations to watch.
- if (scope.targetFinding.canTarget(target)) {
- this.observer.observe(target, OBSERVER_INIT);
- }
- },
- enableOnSubtree: function(target) {
- this.watchSubtree(target);
- if (target === document && document.readyState !== 'complete') {
- this.installOnLoad();
- } else {
- this.installNewSubtree(target);
- }
- },
- installNewSubtree: function(target) {
- forEach(this.findElements(target), this.addElement, this);
- },
- findElements: function(target) {
- if (target.querySelectorAll) {
- return target.querySelectorAll(SELECTOR);
- }
- return [];
- },
- removeElement: function(el) {
- this.removeCallback(el);
- },
- addElement: function(el) {
- this.addCallback(el);
- },
- elementChanged: function(el, oldValue) {
- this.changedCallback(el, oldValue);
- },
- concatLists: function(accum, list) {
- return accum.concat(toArray(list));
- },
- // register all touch-action = none nodes on document load
- installOnLoad: function() {
- document.addEventListener('readystatechange', function() {
- if (document.readyState === 'complete') {
- this.installNewSubtree(document);
- }
- }.bind(this));
- },
- isElement: function(n) {
- return n.nodeType === Node.ELEMENT_NODE;
- },
- flattenMutationTree: function(inNodes) {
- // find children with touch-action
- var tree = map(inNodes, this.findElements, this);
- // make sure the added nodes are accounted for
- tree.push(filter(inNodes, this.isElement));
- // flatten the list
- return tree.reduce(this.concatLists, []);
- },
- mutationWatcher: function(mutations) {
- mutations.forEach(this.mutationHandler, this);
- },
- mutationHandler: function(m) {
- if (m.type === 'childList') {
- var added = this.flattenMutationTree(m.addedNodes);
- added.forEach(this.addElement, this);
- var removed = this.flattenMutationTree(m.removedNodes);
- removed.forEach(this.removeElement, this);
- } else if (m.type === 'attributes') {
- this.elementChanged(m.target, m.oldValue);
- }
- }
- };
-
- if (!MO) {
- Installer.prototype.watchSubtree = function(){
- console.warn('PolymerGestures: MutationObservers not found, touch-action will not be dynamically detected');
- };
- }
-
- scope.Installer = Installer;
-})(window.PolymerGestures);
-
-/*
- * Copyright (c) 2014 The Polymer Project Authors. All rights reserved.
- * This code may only be used under the BSD style license found at http://polymer.github.io/LICENSE.txt
- * The complete set of authors may be found at http://polymer.github.io/AUTHORS.txt
- * The complete set of contributors may be found at http://polymer.github.io/CONTRIBUTORS.txt
- * Code distributed by Google as part of the polymer project is also
- * subject to an additional IP rights grant found at http://polymer.github.io/PATENTS.txt
- */
-
-(function (scope) {
- var dispatcher = scope.dispatcher;
- var pointermap = dispatcher.pointermap;
- // radius around touchend that swallows mouse events
- var DEDUP_DIST = 25;
-
- var WHICH_TO_BUTTONS = [0, 1, 4, 2];
-
- var HAS_BUTTONS = false;
- try {
- HAS_BUTTONS = new MouseEvent('test', {buttons: 1}).buttons === 1;
- } catch (e) {}
-
- // handler block for native mouse events
- var mouseEvents = {
- POINTER_ID: 1,
- POINTER_TYPE: 'mouse',
- events: [
- 'mousedown',
- 'mousemove',
- 'mouseup'
- ],
- register: function(target) {
- if (target !== document) {
- return;
- }
- dispatcher.listen(target, this.events);
- },
- unregister: function(target) {
- dispatcher.unlisten(target, this.events);
- },
- lastTouches: [],
- // collide with the global mouse listener
- isEventSimulatedFromTouch: function(inEvent) {
- var lts = this.lastTouches;
- var x = inEvent.clientX, y = inEvent.clientY;
- for (var i = 0, l = lts.length, t; i < l && (t = lts[i]); i++) {
- // simulated mouse events will be swallowed near a primary touchend
- var dx = Math.abs(x - t.x), dy = Math.abs(y - t.y);
- if (dx <= DEDUP_DIST && dy <= DEDUP_DIST) {
- return true;
- }
- }
- },
- prepareEvent: function(inEvent) {
- var e = dispatcher.cloneEvent(inEvent);
- e.pointerId = this.POINTER_ID;
- e.isPrimary = true;
- e.pointerType = this.POINTER_TYPE;
- e._source = 'mouse';
- if (!HAS_BUTTONS) {
- e.buttons = WHICH_TO_BUTTONS[e.which] || 0;
- }
- return e;
- },
- mousedown: function(inEvent) {
- if (!this.isEventSimulatedFromTouch(inEvent)) {
- var p = pointermap.has(this.POINTER_ID);
- // TODO(dfreedman) workaround for some elements not sending mouseup
- // http://crbug/149091
- if (p) {
- this.mouseup(inEvent);
- }
- var e = this.prepareEvent(inEvent);
- e.target = scope.wrap(scope.findTarget(inEvent));
- pointermap.set(this.POINTER_ID, e.target);
- dispatcher.down(e);
- }
- },
- mousemove: function(inEvent) {
- if (!this.isEventSimulatedFromTouch(inEvent)) {
- var e = this.prepareEvent(inEvent);
- e.target = pointermap.get(this.POINTER_ID);
- dispatcher.move(e);
- }
- },
- mouseup: function(inEvent) {
- if (!this.isEventSimulatedFromTouch(inEvent)) {
- var e = this.prepareEvent(inEvent);
- e.relatedTarget = scope.wrap(scope.findTarget(inEvent));
- e.target = pointermap.get(this.POINTER_ID);
- dispatcher.up(e);
- this.cleanupMouse();
- }
- },
- cleanupMouse: function() {
- pointermap['delete'](this.POINTER_ID);
- }
- };
-
- scope.mouseEvents = mouseEvents;
-})(window.PolymerGestures);
-
-/*
- * Copyright (c) 2014 The Polymer Project Authors. All rights reserved.
- * This code may only be used under the BSD style license found at http://polymer.github.io/LICENSE.txt
- * The complete set of authors may be found at http://polymer.github.io/AUTHORS.txt
- * The complete set of contributors may be found at http://polymer.github.io/CONTRIBUTORS.txt
- * Code distributed by Google as part of the polymer project is also
- * subject to an additional IP rights grant found at http://polymer.github.io/PATENTS.txt
- */
-
-(function(scope) {
- var dispatcher = scope.dispatcher;
- var allShadows = scope.targetFinding.allShadows.bind(scope.targetFinding);
- var pointermap = dispatcher.pointermap;
- var touchMap = Array.prototype.map.call.bind(Array.prototype.map);
- // This should be long enough to ignore compat mouse events made by touch
- var DEDUP_TIMEOUT = 2500;
- var CLICK_COUNT_TIMEOUT = 200;
- var HYSTERESIS = 20;
- var ATTRIB = 'touch-action';
- var INSTALLER;
- // maybe one day...
- // var CAN_USE_GLOBAL = ATTRIB in document.head.style;
- var CAN_USE_GLOBAL = false;
-
- // handler block for native touch events
- var touchEvents = {
- events: [
- 'touchstart',
- 'touchmove',
- 'touchend',
- 'touchcancel'
- ],
- register: function(target) {
- if (CAN_USE_GLOBAL) {
- dispatcher.listen(target, this.events);
- } else {
- INSTALLER.enableOnSubtree(target);
- }
- },
- unregister: function(target) {
- if (CAN_USE_GLOBAL) {
- dispatcher.unlisten(target, this.events);
- } else {
- // TODO(dfreedman): is it worth it to disconnect the MO?
- }
- },
- elementAdded: function(el) {
- var a = el.getAttribute(ATTRIB);
- var st = this.touchActionToScrollType(a);
- if (st) {
- el._scrollType = st;
- dispatcher.listen(el, this.events);
- // set touch-action on shadows as well
- allShadows(el).forEach(function(s) {
- s._scrollType = st;
- dispatcher.listen(s, this.events);
- }, this);
- }
- },
- elementRemoved: function(el) {
- el._scrollType = undefined;
- dispatcher.unlisten(el, this.events);
- // remove touch-action from shadow
- allShadows(el).forEach(function(s) {
- s._scrollType = undefined;
- dispatcher.unlisten(s, this.events);
- }, this);
- },
- elementChanged: function(el, oldValue) {
- var a = el.getAttribute(ATTRIB);
- var st = this.touchActionToScrollType(a);
- var oldSt = this.touchActionToScrollType(oldValue);
- // simply update scrollType if listeners are already established
- if (st && oldSt) {
- el._scrollType = st;
- allShadows(el).forEach(function(s) {
- s._scrollType = st;
- }, this);
- } else if (oldSt) {
- this.elementRemoved(el);
- } else if (st) {
- this.elementAdded(el);
- }
- },
- scrollTypes: {
- EMITTER: 'none',
- XSCROLLER: 'pan-x',
- YSCROLLER: 'pan-y',
- SCROLLER: /^(?:pan-x pan-y)|(?:pan-y pan-x)|auto|manipulation$/
- },
- touchActionToScrollType: function(touchAction) {
- var t = touchAction;
- var st = this.scrollTypes;
- if (t === 'none') {
- return 'none';
- } else if (t === st.XSCROLLER) {
- return 'X';
- } else if (t === st.YSCROLLER) {
- return 'Y';
- } else if (st.SCROLLER.exec(t)) {
- return 'XY';
- }
- },
- POINTER_TYPE: 'touch',
- firstTouch: null,
- isPrimaryTouch: function(inTouch) {
- return this.firstTouch === inTouch.identifier;
- },
- setPrimaryTouch: function(inTouch) {
- // set primary touch if there no pointers, or the only pointer is the mouse
- if (pointermap.pointers() === 0 || (pointermap.pointers() === 1 && pointermap.has(1))) {
- this.firstTouch = inTouch.identifier;
- this.firstXY = {X: inTouch.clientX, Y: inTouch.clientY};
- this.scrolling = null;
- this.cancelResetClickCount();
- }
- },
- removePrimaryPointer: function(inPointer) {
- if (inPointer.isPrimary) {
- this.firstTouch = null;
- this.firstXY = null;
- this.resetClickCount();
- }
- },
- clickCount: 0,
- resetId: null,
- resetClickCount: function() {
- var fn = function() {
- this.clickCount = 0;
- this.resetId = null;
- }.bind(this);
- this.resetId = setTimeout(fn, CLICK_COUNT_TIMEOUT);
- },
- cancelResetClickCount: function() {
- if (this.resetId) {
- clearTimeout(this.resetId);
- }
- },
- typeToButtons: function(type) {
- var ret = 0;
- if (type === 'touchstart' || type === 'touchmove') {
- ret = 1;
- }
- return ret;
- },
- findTarget: function(touch, id) {
- if (this.currentTouchEvent.type === 'touchstart') {
- if (this.isPrimaryTouch(touch)) {
- var fastPath = {
- clientX: touch.clientX,
- clientY: touch.clientY,
- path: this.currentTouchEvent.path,
- target: scope.wrap(this.currentTouchEvent.target)
- };
- return scope.findTarget(fastPath);
- } else {
- return scope.findTarget(touch);
- }
- }
- // reuse target we found in touchstart
- return pointermap.get(id);
- },
- touchToPointer: function(inTouch) {
- var cte = this.currentTouchEvent;
- var e = dispatcher.cloneEvent(inTouch);
- // Spec specifies that pointerId 1 is reserved for Mouse.
- // Touch identifiers can start at 0.
- // Add 2 to the touch identifier for compatibility.
- var id = e.pointerId = inTouch.identifier + 2;
- e.target = scope.wrap(this.findTarget(inTouch, id));
- e.bubbles = true;
- e.cancelable = true;
- e.detail = this.clickCount;
- e.buttons = this.typeToButtons(cte.type);
- e.width = inTouch.webkitRadiusX || inTouch.radiusX || 0;
- e.height = inTouch.webkitRadiusY || inTouch.radiusY || 0;
- e.pressure = inTouch.webkitForce || inTouch.force || 0.5;
- e.isPrimary = this.isPrimaryTouch(inTouch);
- e.pointerType = this.POINTER_TYPE;
- e._source = 'touch';
- // forward touch preventDefaults
- var self = this;
- e.preventDefault = function() {
- self.scrolling = false;
- self.firstXY = null;
- cte.preventDefault();
- };
- return e;
- },
- processTouches: function(inEvent, inFunction) {
- var tl = inEvent.changedTouches;
- this.currentTouchEvent = inEvent;
- for (var i = 0, t, p; i < tl.length; i++) {
- t = tl[i];
- p = this.touchToPointer(t);
- if (inEvent.type === 'touchstart') {
- pointermap.set(p.pointerId, p.target);
- }
- if (pointermap.has(p.pointerId)) {
- inFunction.call(this, p);
- }
- if (inEvent.type === 'touchend' || inEvent._cancel) {
- this.cleanUpPointer(p);
- }
- }
- },
- // For single axis scrollers, determines whether the element should emit
- // pointer events or behave as a scroller
- shouldScroll: function(inEvent) {
- if (this.firstXY) {
- var ret;
- var scrollAxis = scope.targetFinding.findScrollAxis(inEvent);
- if (scrollAxis === 'none') {
- // this element is a touch-action: none, should never scroll
- ret = false;
- } else if (scrollAxis === 'XY') {
- // this element should always scroll
- ret = true;
- } else {
- var t = inEvent.changedTouches[0];
- // check the intended scroll axis, and other axis
- var a = scrollAxis;
- var oa = scrollAxis === 'Y' ? 'X' : 'Y';
- var da = Math.abs(t['client' + a] - this.firstXY[a]);
- var doa = Math.abs(t['client' + oa] - this.firstXY[oa]);
- // if delta in the scroll axis > delta other axis, scroll instead of
- // making events
- ret = da >= doa;
- }
- return ret;
- }
- },
- findTouch: function(inTL, inId) {
- for (var i = 0, l = inTL.length, t; i < l && (t = inTL[i]); i++) {
- if (t.identifier === inId) {
- return true;
- }
- }
- },
- // In some instances, a touchstart can happen without a touchend. This
- // leaves the pointermap in a broken state.
- // Therefore, on every touchstart, we remove the touches that did not fire a
- // touchend event.
- // To keep state globally consistent, we fire a
- // pointercancel for this "abandoned" touch
- vacuumTouches: function(inEvent) {
- var tl = inEvent.touches;
- // pointermap.pointers() should be < tl.length here, as the touchstart has not
- // been processed yet.
- if (pointermap.pointers() >= tl.length) {
- var d = [];
- pointermap.forEach(function(value, key) {
- // Never remove pointerId == 1, which is mouse.
- // Touch identifiers are 2 smaller than their pointerId, which is the
- // index in pointermap.
- if (key !== 1 && !this.findTouch(tl, key - 2)) {
- var p = value;
- d.push(p);
- }
- }, this);
- d.forEach(function(p) {
- this.cancel(p);
- pointermap.delete(p.pointerId);
- });
- }
- },
- touchstart: function(inEvent) {
- this.vacuumTouches(inEvent);
- this.setPrimaryTouch(inEvent.changedTouches[0]);
- this.dedupSynthMouse(inEvent);
- if (!this.scrolling) {
- this.clickCount++;
- this.processTouches(inEvent, this.down);
- }
- },
- down: function(inPointer) {
- dispatcher.down(inPointer);
- },
- touchmove: function(inEvent) {
- if (CAN_USE_GLOBAL) {
- this.processTouches(inEvent, this.move);
- } else {
- if (!this.scrolling) {
- if (this.scrolling === null && this.shouldScroll(inEvent)) {
- this.scrolling = true;
- } else {
- this.scrolling = false;
- inEvent.preventDefault();
- this.processTouches(inEvent, this.move);
- }
- } else if (this.firstXY) {
- var t = inEvent.changedTouches[0];
- var dx = t.clientX - this.firstXY.X;
- var dy = t.clientY - this.firstXY.Y;
- var dd = Math.sqrt(dx * dx + dy * dy);
- if (dd >= HYSTERESIS) {
- this.touchcancel(inEvent);
- this.scrolling = true;
- this.firstXY = null;
- }
- }
- }
- },
- move: function(inPointer) {
- dispatcher.move(inPointer);
- },
- touchend: function(inEvent) {
- this.dedupSynthMouse(inEvent);
- this.processTouches(inEvent, this.up);
- },
- up: function(inPointer) {
- inPointer.relatedTarget = scope.wrap(scope.findTarget(inPointer));
- dispatcher.up(inPointer);
- },
- cancel: function(inPointer) {
- dispatcher.cancel(inPointer);
- },
- touchcancel: function(inEvent) {
- inEvent._cancel = true;
- this.processTouches(inEvent, this.cancel);
- },
- cleanUpPointer: function(inPointer) {
- pointermap['delete'](inPointer.pointerId);
- this.removePrimaryPointer(inPointer);
- },
- // prevent synth mouse events from creating pointer events
- dedupSynthMouse: function(inEvent) {
- var lts = scope.mouseEvents.lastTouches;
- var t = inEvent.changedTouches[0];
- // only the primary finger will synth mouse events
- if (this.isPrimaryTouch(t)) {
- // remember x/y of last touch
- var lt = {x: t.clientX, y: t.clientY};
- lts.push(lt);
- var fn = (function(lts, lt){
- var i = lts.indexOf(lt);
- if (i > -1) {
- lts.splice(i, 1);
- }
- }).bind(null, lts, lt);
- setTimeout(fn, DEDUP_TIMEOUT);
- }
- }
- };
-
- if (!CAN_USE_GLOBAL) {
- INSTALLER = new scope.Installer(touchEvents.elementAdded, touchEvents.elementRemoved, touchEvents.elementChanged, touchEvents);
- }
-
- scope.touchEvents = touchEvents;
-})(window.PolymerGestures);
-
-/*
- * Copyright (c) 2014 The Polymer Project Authors. All rights reserved.
- * This code may only be used under the BSD style license found at http://polymer.github.io/LICENSE.txt
- * The complete set of authors may be found at http://polymer.github.io/AUTHORS.txt
- * The complete set of contributors may be found at http://polymer.github.io/CONTRIBUTORS.txt
- * Code distributed by Google as part of the polymer project is also
- * subject to an additional IP rights grant found at http://polymer.github.io/PATENTS.txt
- */
-
-(function(scope) {
- var dispatcher = scope.dispatcher;
- var pointermap = dispatcher.pointermap;
- var HAS_BITMAP_TYPE = window.MSPointerEvent && typeof window.MSPointerEvent.MSPOINTER_TYPE_MOUSE === 'number';
- var msEvents = {
- events: [
- 'MSPointerDown',
- 'MSPointerMove',
- 'MSPointerUp',
- 'MSPointerCancel',
- ],
- register: function(target) {
- if (target !== document) {
- return;
- }
- dispatcher.listen(target, this.events);
- },
- unregister: function(target) {
- dispatcher.unlisten(target, this.events);
- },
- POINTER_TYPES: [
- '',
- 'unavailable',
- 'touch',
- 'pen',
- 'mouse'
- ],
- prepareEvent: function(inEvent) {
- var e = inEvent;
- e = dispatcher.cloneEvent(inEvent);
- if (HAS_BITMAP_TYPE) {
- e.pointerType = this.POINTER_TYPES[inEvent.pointerType];
- }
- e._source = 'ms';
- return e;
- },
- cleanup: function(id) {
- pointermap['delete'](id);
- },
- MSPointerDown: function(inEvent) {
- var e = this.prepareEvent(inEvent);
- e.target = scope.wrap(scope.findTarget(inEvent));
- pointermap.set(inEvent.pointerId, e.target);
- dispatcher.down(e);
- },
- MSPointerMove: function(inEvent) {
- var e = this.prepareEvent(inEvent);
- e.target = pointermap.get(e.pointerId);
- dispatcher.move(e);
- },
- MSPointerUp: function(inEvent) {
- var e = this.prepareEvent(inEvent);
- e.relatedTarget = scope.wrap(scope.findTarget(inEvent));
- e.target = pointermap.get(e.pointerId);
- dispatcher.up(e);
- this.cleanup(inEvent.pointerId);
- },
- MSPointerCancel: function(inEvent) {
- var e = this.prepareEvent(inEvent);
- e.relatedTarget = scope.wrap(scope.findTarget(inEvent));
- e.target = pointermap.get(e.pointerId);
- dispatcher.cancel(e);
- this.cleanup(inEvent.pointerId);
- }
- };
-
- scope.msEvents = msEvents;
-})(window.PolymerGestures);
-
-/*
- * Copyright (c) 2014 The Polymer Project Authors. All rights reserved.
- * This code may only be used under the BSD style license found at http://polymer.github.io/LICENSE.txt
- * The complete set of authors may be found at http://polymer.github.io/AUTHORS.txt
- * The complete set of contributors may be found at http://polymer.github.io/CONTRIBUTORS.txt
- * Code distributed by Google as part of the polymer project is also
- * subject to an additional IP rights grant found at http://polymer.github.io/PATENTS.txt
- */
-
-(function(scope) {
- var dispatcher = scope.dispatcher;
- var pointermap = dispatcher.pointermap;
- var pointerEvents = {
- events: [
- 'pointerdown',
- 'pointermove',
- 'pointerup',
- 'pointercancel'
- ],
- prepareEvent: function(inEvent) {
- var e = dispatcher.cloneEvent(inEvent);
- e._source = 'pointer';
- return e;
- },
- register: function(target) {
- if (target !== document) {
- return;
- }
- dispatcher.listen(target, this.events);
- },
- unregister: function(target) {
- dispatcher.unlisten(target, this.events);
- },
- cleanup: function(id) {
- pointermap['delete'](id);
- },
- pointerdown: function(inEvent) {
- var e = this.prepareEvent(inEvent);
- e.target = scope.wrap(scope.findTarget(inEvent));
- pointermap.set(e.pointerId, e.target);
- dispatcher.down(e);
- },
- pointermove: function(inEvent) {
- var e = this.prepareEvent(inEvent);
- e.target = pointermap.get(e.pointerId);
- dispatcher.move(e);
- },
- pointerup: function(inEvent) {
- var e = this.prepareEvent(inEvent);
- e.relatedTarget = scope.wrap(scope.findTarget(inEvent));
- e.target = pointermap.get(e.pointerId);
- dispatcher.up(e);
- this.cleanup(inEvent.pointerId);
- },
- pointercancel: function(inEvent) {
- var e = this.prepareEvent(inEvent);
- e.relatedTarget = scope.wrap(scope.findTarget(inEvent));
- e.target = pointermap.get(e.pointerId);
- dispatcher.cancel(e);
- this.cleanup(inEvent.pointerId);
- }
- };
-
- scope.pointerEvents = pointerEvents;
-})(window.PolymerGestures);
-
-/*
- * Copyright (c) 2014 The Polymer Project Authors. All rights reserved.
- * This code may only be used under the BSD style license found at http://polymer.github.io/LICENSE.txt
- * The complete set of authors may be found at http://polymer.github.io/AUTHORS.txt
- * The complete set of contributors may be found at http://polymer.github.io/CONTRIBUTORS.txt
- * Code distributed by Google as part of the polymer project is also
- * subject to an additional IP rights grant found at http://polymer.github.io/PATENTS.txt
- */
-
-/**
- * This module contains the handlers for native platform events.
- * From here, the dispatcher is called to create unified pointer events.
- * Included are touch events (v1), mouse events, and MSPointerEvents.
- */
-(function(scope) {
- var dispatcher = scope.dispatcher;
-
- if (window.PointerEvent) {
- dispatcher.registerSource('pointer', scope.pointerEvents);
- } else if (window.navigator.msPointerEnabled) {
- dispatcher.registerSource('ms', scope.msEvents);
- } else {
- dispatcher.registerSource('mouse', scope.mouseEvents);
- if (window.ontouchstart !== undefined) {
- dispatcher.registerSource('touch', scope.touchEvents);
- }
- }
-
- dispatcher.register(document);
-})(window.PolymerGestures);
-
-/*
- * Copyright (c) 2014 The Polymer Project Authors. All rights reserved.
- * This code may only be used under the BSD style license found at http://polymer.github.io/LICENSE.txt
- * The complete set of authors may be found at http://polymer.github.io/AUTHORS.txt
- * The complete set of contributors may be found at http://polymer.github.io/CONTRIBUTORS.txt
- * Code distributed by Google as part of the polymer project is also
- * subject to an additional IP rights grant found at http://polymer.github.io/PATENTS.txt
- */
-
-/**
- * This event denotes the beginning of a series of tracking events.
- *
- * @module PointerGestures
- * @submodule Events
- * @class trackstart
- */
-/**
- * Pixels moved in the x direction since trackstart.
- * @type Number
- * @property dx
- */
-/**
- * Pixes moved in the y direction since trackstart.
- * @type Number
- * @property dy
- */
-/**
- * Pixels moved in the x direction since the last track.
- * @type Number
- * @property ddx
- */
-/**
- * Pixles moved in the y direction since the last track.
- * @type Number
- * @property ddy
- */
-/**
- * The clientX position of the track gesture.
- * @type Number
- * @property clientX
- */
-/**
- * The clientY position of the track gesture.
- * @type Number
- * @property clientY
- */
-/**
- * The pageX position of the track gesture.
- * @type Number
- * @property pageX
- */
-/**
- * The pageY position of the track gesture.
- * @type Number
- * @property pageY
- */
-/**
- * The screenX position of the track gesture.
- * @type Number
- * @property screenX
- */
-/**
- * The screenY position of the track gesture.
- * @type Number
- * @property screenY
- */
-/**
- * The last x axis direction of the pointer.
- * @type Number
- * @property xDirection
- */
-/**
- * The last y axis direction of the pointer.
- * @type Number
- * @property yDirection
- */
-/**
- * A shared object between all tracking events.
- * @type Object
- * @property trackInfo
- */
-/**
- * The element currently under the pointer.
- * @type Element
- * @property relatedTarget
- */
-/**
- * The type of pointer that make the track gesture.
- * @type String
- * @property pointerType
- */
-/**
- *
- * This event fires for all pointer movement being tracked.
- *
- * @class track
- * @extends trackstart
- */
-/**
- * This event fires when the pointer is no longer being tracked.
- *
- * @class trackend
- * @extends trackstart
- */
-
- (function(scope) {
- var dispatcher = scope.dispatcher;
- var eventFactory = scope.eventFactory;
- var pointermap = new scope.PointerMap();
- var track = {
- events: [
- 'down',
- 'move',
- 'up',
- ],
- WIGGLE_THRESHOLD: 4,
- clampDir: function(inDelta) {
- return inDelta > 0 ? 1 : -1;
- },
- calcPositionDelta: function(inA, inB) {
- var x = 0, y = 0;
- if (inA && inB) {
- x = inB.pageX - inA.pageX;
- y = inB.pageY - inA.pageY;
- }
- return {x: x, y: y};
- },
- fireTrack: function(inType, inEvent, inTrackingData) {
- var t = inTrackingData;
- var d = this.calcPositionDelta(t.downEvent, inEvent);
- var dd = this.calcPositionDelta(t.lastMoveEvent, inEvent);
- if (dd.x) {
- t.xDirection = this.clampDir(dd.x);
- }
- if (dd.y) {
- t.yDirection = this.clampDir(dd.y);
- }
- var e = eventFactory.makeGestureEvent(inType, {
- bubbles: true,
- cancelable: true,
- dx: d.x,
- dy: d.y,
- ddx: dd.x,
- ddy: dd.y,
- x: inEvent.x,
- y: inEvent.y,
- clientX: inEvent.clientX,
- clientY: inEvent.clientY,
- pageX: inEvent.pageX,
- pageY: inEvent.pageY,
- screenX: inEvent.screenX,
- screenY: inEvent.screenY,
- xDirection: t.xDirection,
- yDirection: t.yDirection,
- trackInfo: t.trackInfo,
- relatedTarget: inEvent.relatedTarget,
- pointerType: inEvent.pointerType,
- pointerId: inEvent.pointerId,
- _source: 'track'
- });
- t.downTarget.dispatchEvent(e);
- },
- down: function(inEvent) {
- if (inEvent.isPrimary && (inEvent.pointerType === 'mouse' ? inEvent.buttons === 1 : true)) {
- var p = {
- downEvent: inEvent,
- downTarget: inEvent.target,
- trackInfo: {},
- lastMoveEvent: null,
- xDirection: 0,
- yDirection: 0,
- tracking: false
- };
- pointermap.set(inEvent.pointerId, p);
- }
- },
- move: function(inEvent) {
- var p = pointermap.get(inEvent.pointerId);
- if (p) {
- if (!p.tracking) {
- var d = this.calcPositionDelta(p.downEvent, inEvent);
- var move = d.x * d.x + d.y * d.y;
- // start tracking only if finger moves more than WIGGLE_THRESHOLD
- if (move > this.WIGGLE_THRESHOLD) {
- p.tracking = true;
- this.fireTrack('trackstart', p.downEvent, p);
- this.fireTrack('track', inEvent, p);
- }
- } else {
- this.fireTrack('track', inEvent, p);
- }
- p.lastMoveEvent = inEvent;
- }
- },
- up: function(inEvent) {
- var p = pointermap.get(inEvent.pointerId);
- if (p) {
- if (p.tracking) {
- this.fireTrack('trackend', inEvent, p);
- }
- pointermap.delete(inEvent.pointerId);
- }
- }
- };
- dispatcher.registerGesture('track', track);
- })(window.PolymerGestures);
-
-/*
- * Copyright (c) 2014 The Polymer Project Authors. All rights reserved.
- * This code may only be used under the BSD style license found at http://polymer.github.io/LICENSE.txt
- * The complete set of authors may be found at http://polymer.github.io/AUTHORS.txt
- * The complete set of contributors may be found at http://polymer.github.io/CONTRIBUTORS.txt
- * Code distributed by Google as part of the polymer project is also
- * subject to an additional IP rights grant found at http://polymer.github.io/PATENTS.txt
- */
-
-/**
- * This event is fired when a pointer is held down for 200ms.
- *
- * @module PointerGestures
- * @submodule Events
- * @class hold
- */
-/**
- * Type of pointer that made the holding event.
- * @type String
- * @property pointerType
- */
-/**
- * Screen X axis position of the held pointer
- * @type Number
- * @property clientX
- */
-/**
- * Screen Y axis position of the held pointer
- * @type Number
- * @property clientY
- */
-/**
- * Type of pointer that made the holding event.
- * @type String
- * @property pointerType
- */
-/**
- * This event is fired every 200ms while a pointer is held down.
- *
- * @class holdpulse
- * @extends hold
- */
-/**
- * Milliseconds pointer has been held down.
- * @type Number
- * @property holdTime
- */
-/**
- * This event is fired when a held pointer is released or moved.
- *
- * @class release
- */
-
-(function(scope) {
- var dispatcher = scope.dispatcher;
- var eventFactory = scope.eventFactory;
- var hold = {
- // wait at least HOLD_DELAY ms between hold and pulse events
- HOLD_DELAY: 200,
- // pointer can move WIGGLE_THRESHOLD pixels before not counting as a hold
- WIGGLE_THRESHOLD: 16,
- events: [
- 'down',
- 'move',
- 'up',
- ],
- heldPointer: null,
- holdJob: null,
- pulse: function() {
- var hold = Date.now() - this.heldPointer.timeStamp;
- var type = this.held ? 'holdpulse' : 'hold';
- this.fireHold(type, hold);
- this.held = true;
- },
- cancel: function() {
- clearInterval(this.holdJob);
- if (this.held) {
- this.fireHold('release');
- }
- this.held = false;
- this.heldPointer = null;
- this.target = null;
- this.holdJob = null;
- },
- down: function(inEvent) {
- if (inEvent.isPrimary && !this.heldPointer) {
- this.heldPointer = inEvent;
- this.target = inEvent.target;
- this.holdJob = setInterval(this.pulse.bind(this), this.HOLD_DELAY);
- }
- },
- up: function(inEvent) {
- if (this.heldPointer && this.heldPointer.pointerId === inEvent.pointerId) {
- this.cancel();
- }
- },
- move: function(inEvent) {
- if (this.heldPointer && this.heldPointer.pointerId === inEvent.pointerId) {
- var x = inEvent.clientX - this.heldPointer.clientX;
- var y = inEvent.clientY - this.heldPointer.clientY;
- if ((x * x + y * y) > this.WIGGLE_THRESHOLD) {
- this.cancel();
- }
- }
- },
- fireHold: function(inType, inHoldTime) {
- var p = {
- bubbles: true,
- cancelable: true,
- pointerType: this.heldPointer.pointerType,
- pointerId: this.heldPointer.pointerId,
- x: this.heldPointer.clientX,
- y: this.heldPointer.clientY,
- _source: 'hold'
- };
- if (inHoldTime) {
- p.holdTime = inHoldTime;
- }
- var e = eventFactory.makeGestureEvent(inType, p);
- this.target.dispatchEvent(e);
- }
- };
- dispatcher.registerGesture('hold', hold);
-})(window.PolymerGestures);
-
-/*
- * Copyright (c) 2014 The Polymer Project Authors. All rights reserved.
- * This code may only be used under the BSD style license found at http://polymer.github.io/LICENSE.txt
- * The complete set of authors may be found at http://polymer.github.io/AUTHORS.txt
- * The complete set of contributors may be found at http://polymer.github.io/CONTRIBUTORS.txt
- * Code distributed by Google as part of the polymer project is also
- * subject to an additional IP rights grant found at http://polymer.github.io/PATENTS.txt
- */
-
-/**
- * This event is fired when a pointer quickly goes down and up, and is used to
- * denote activation.
- *
- * Any gesture event can prevent the tap event from being created by calling
- * `event.preventTap`.
- *
- * Any pointer event can prevent the tap by setting the `tapPrevented` property
- * on itself.
- *
- * @module PointerGestures
- * @submodule Events
- * @class tap
- */
-/**
- * X axis position of the tap.
- * @property x
- * @type Number
- */
-/**
- * Y axis position of the tap.
- * @property y
- * @type Number
- */
-/**
- * Type of the pointer that made the tap.
- * @property pointerType
- * @type String
- */
-(function(scope) {
- var dispatcher = scope.dispatcher;
- var eventFactory = scope.eventFactory;
- var pointermap = new scope.PointerMap();
- var tap = {
- events: [
- 'down',
- 'up'
- ],
- down: function(inEvent) {
- if (inEvent.isPrimary && !inEvent.tapPrevented) {
- pointermap.set(inEvent.pointerId, {
- target: inEvent.target,
- buttons: inEvent.buttons,
- x: inEvent.clientX,
- y: inEvent.clientY
- });
- }
- },
- shouldTap: function(e, downState) {
- if (e.pointerType === 'mouse') {
- // only allow left click to tap for mouse
- return downState.buttons === 1;
- }
- return !e.tapPrevented;
- },
- up: function(inEvent) {
- var start = pointermap.get(inEvent.pointerId);
- if (start && this.shouldTap(inEvent, start)) {
- // up.relatedTarget is target currently under finger
- var t = scope.targetFinding.LCA(start.target, inEvent.relatedTarget);
- if (t) {
- var e = eventFactory.makeGestureEvent('tap', {
- bubbles: true,
- cancelable: true,
- x: inEvent.clientX,
- y: inEvent.clientY,
- detail: inEvent.detail,
- pointerType: inEvent.pointerType,
- pointerId: inEvent.pointerId,
- altKey: inEvent.altKey,
- ctrlKey: inEvent.ctrlKey,
- metaKey: inEvent.metaKey,
- shiftKey: inEvent.shiftKey,
- _source: 'tap'
- });
- t.dispatchEvent(e);
- }
- }
- pointermap.delete(inEvent.pointerId);
- }
- };
- // patch eventFactory to remove id from tap's pointermap for preventTap calls
- eventFactory.preventTap = function(e) {
- return function() {
- e.tapPrevented = true;
- pointermap.delete(e.pointerId);
- };
- };
- dispatcher.registerGesture('tap', tap);
-})(window.PolymerGestures);
-
-/*
- Copyright (C) 2013 Ariya Hidayat <ariya.hidayat@gmail.com>
- Copyright (C) 2013 Thaddee Tyl <thaddee.tyl@gmail.com>
- Copyright (C) 2012 Ariya Hidayat <ariya.hidayat@gmail.com>
- Copyright (C) 2012 Mathias Bynens <mathias@qiwi.be>
- Copyright (C) 2012 Joost-Wim Boekesteijn <joost-wim@boekesteijn.nl>
- Copyright (C) 2012 Kris Kowal <kris.kowal@cixar.com>
- Copyright (C) 2012 Yusuke Suzuki <utatane.tea@gmail.com>
- Copyright (C) 2012 Arpad Borsos <arpad.borsos@googlemail.com>
- Copyright (C) 2011 Ariya Hidayat <ariya.hidayat@gmail.com>
-
- Redistribution and use in source and binary forms, with or without
- modification, are permitted provided that the following conditions are met:
-
- * Redistributions of source code must retain the above copyright
- notice, this list of conditions and the following disclaimer.
- * Redistributions in binary form must reproduce the above copyright
- notice, this list of conditions and the following disclaimer in the
- documentation and/or other materials provided with the distribution.
-
- THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
- AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- ARE DISCLAIMED. IN NO EVENT SHALL <COPYRIGHT HOLDER> BE LIABLE FOR ANY
- DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
- (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
- LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
- ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
- THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-*/
-
-(function (global) {
- 'use strict';
-
- var Token,
- TokenName,
- Syntax,
- Messages,
- source,
- index,
- length,
- delegate,
- lookahead,
- state;
-
- Token = {
- BooleanLiteral: 1,
- EOF: 2,
- Identifier: 3,
- Keyword: 4,
- NullLiteral: 5,
- NumericLiteral: 6,
- Punctuator: 7,
- StringLiteral: 8
- };
-
- TokenName = {};
- TokenName[Token.BooleanLiteral] = 'Boolean';
- TokenName[Token.EOF] = '<end>';
- TokenName[Token.Identifier] = 'Identifier';
- TokenName[Token.Keyword] = 'Keyword';
- TokenName[Token.NullLiteral] = 'Null';
- TokenName[Token.NumericLiteral] = 'Numeric';
- TokenName[Token.Punctuator] = 'Punctuator';
- TokenName[Token.StringLiteral] = 'String';
-
- Syntax = {
- ArrayExpression: 'ArrayExpression',
- BinaryExpression: 'BinaryExpression',
- CallExpression: 'CallExpression',
- ConditionalExpression: 'ConditionalExpression',
- EmptyStatement: 'EmptyStatement',
- ExpressionStatement: 'ExpressionStatement',
- Identifier: 'Identifier',
- Literal: 'Literal',
- LabeledStatement: 'LabeledStatement',
- LogicalExpression: 'LogicalExpression',
- MemberExpression: 'MemberExpression',
- ObjectExpression: 'ObjectExpression',
- Program: 'Program',
- Property: 'Property',
- ThisExpression: 'ThisExpression',
- UnaryExpression: 'UnaryExpression'
- };
-
- // Error messages should be identical to V8.
- Messages = {
- UnexpectedToken: 'Unexpected token %0',
- UnknownLabel: 'Undefined label \'%0\'',
- Redeclaration: '%0 \'%1\' has already been declared'
- };
-
- // Ensure the condition is true, otherwise throw an error.
- // This is only to have a better contract semantic, i.e. another safety net
- // to catch a logic error. The condition shall be fulfilled in normal case.
- // Do NOT use this to enforce a certain condition on any user input.
-
- function assert(condition, message) {
- if (!condition) {
- throw new Error('ASSERT: ' + message);
- }
- }
-
- function isDecimalDigit(ch) {
- return (ch >= 48 && ch <= 57); // 0..9
- }
-
-
- // 7.2 White Space
-
- function isWhiteSpace(ch) {
- return (ch === 32) || // space
- (ch === 9) || // tab
- (ch === 0xB) ||
- (ch === 0xC) ||
- (ch === 0xA0) ||
- (ch >= 0x1680 && '\u1680\u180E\u2000\u2001\u2002\u2003\u2004\u2005\u2006\u2007\u2008\u2009\u200A\u202F\u205F\u3000\uFEFF'.indexOf(String.fromCharCode(ch)) > 0);
- }
-
- // 7.3 Line Terminators
-
- function isLineTerminator(ch) {
- return (ch === 10) || (ch === 13) || (ch === 0x2028) || (ch === 0x2029);
- }
-
- // 7.6 Identifier Names and Identifiers
-
- function isIdentifierStart(ch) {
- return (ch === 36) || (ch === 95) || // $ (dollar) and _ (underscore)
- (ch >= 65 && ch <= 90) || // A..Z
- (ch >= 97 && ch <= 122); // a..z
- }
-
- function isIdentifierPart(ch) {
- return (ch === 36) || (ch === 95) || // $ (dollar) and _ (underscore)
- (ch >= 65 && ch <= 90) || // A..Z
- (ch >= 97 && ch <= 122) || // a..z
- (ch >= 48 && ch <= 57); // 0..9
- }
-
- // 7.6.1.1 Keywords
-
- function isKeyword(id) {
- return (id === 'this')
- }
-
- // 7.4 Comments
-
- function skipWhitespace() {
- while (index < length && isWhiteSpace(source.charCodeAt(index))) {
- ++index;
- }
- }
-
- function getIdentifier() {
- var start, ch;
-
- start = index++;
- while (index < length) {
- ch = source.charCodeAt(index);
- if (isIdentifierPart(ch)) {
- ++index;
- } else {
- break;
- }
- }
-
- return source.slice(start, index);
- }
-
- function scanIdentifier() {
- var start, id, type;
-
- start = index;
-
- id = getIdentifier();
-
- // There is no keyword or literal with only one character.
- // Thus, it must be an identifier.
- if (id.length === 1) {
- type = Token.Identifier;
- } else if (isKeyword(id)) {
- type = Token.Keyword;
- } else if (id === 'null') {
- type = Token.NullLiteral;
- } else if (id === 'true' || id === 'false') {
- type = Token.BooleanLiteral;
- } else {
- type = Token.Identifier;
- }
-
- return {
- type: type,
- value: id,
- range: [start, index]
- };
- }
-
-
- // 7.7 Punctuators
-
- function scanPunctuator() {
- var start = index,
- code = source.charCodeAt(index),
- code2,
- ch1 = source[index],
- ch2;
-
- switch (code) {
-
- // Check for most common single-character punctuators.
- case 46: // . dot
- case 40: // ( open bracket
- case 41: // ) close bracket
- case 59: // ; semicolon
- case 44: // , comma
- case 123: // { open curly brace
- case 125: // } close curly brace
- case 91: // [
- case 93: // ]
- case 58: // :
- case 63: // ?
- ++index;
- return {
- type: Token.Punctuator,
- value: String.fromCharCode(code),
- range: [start, index]
- };
-
- default:
- code2 = source.charCodeAt(index + 1);
-
- // '=' (char #61) marks an assignment or comparison operator.
- if (code2 === 61) {
- switch (code) {
- case 37: // %
- case 38: // &
- case 42: // *:
- case 43: // +
- case 45: // -
- case 47: // /
- case 60: // <
- case 62: // >
- case 124: // |
- index += 2;
- return {
- type: Token.Punctuator,
- value: String.fromCharCode(code) + String.fromCharCode(code2),
- range: [start, index]
- };
-
- case 33: // !
- case 61: // =
- index += 2;
-
- // !== and ===
- if (source.charCodeAt(index) === 61) {
- ++index;
- }
- return {
- type: Token.Punctuator,
- value: source.slice(start, index),
- range: [start, index]
- };
- default:
- break;
- }
- }
- break;
- }
-
- // Peek more characters.
-
- ch2 = source[index + 1];
-
- // Other 2-character punctuators: && ||
-
- if (ch1 === ch2 && ('&|'.indexOf(ch1) >= 0)) {
- index += 2;
- return {
- type: Token.Punctuator,
- value: ch1 + ch2,
- range: [start, index]
- };
- }
-
- if ('<>=!+-*%&|^/'.indexOf(ch1) >= 0) {
- ++index;
- return {
- type: Token.Punctuator,
- value: ch1,
- range: [start, index]
- };
- }
-
- throwError({}, Messages.UnexpectedToken, 'ILLEGAL');
- }
-
- // 7.8.3 Numeric Literals
- function scanNumericLiteral() {
- var number, start, ch;
-
- ch = source[index];
- assert(isDecimalDigit(ch.charCodeAt(0)) || (ch === '.'),
- 'Numeric literal must start with a decimal digit or a decimal point');
-
- start = index;
- number = '';
- if (ch !== '.') {
- number = source[index++];
- ch = source[index];
-
- // Hex number starts with '0x'.
- // Octal number starts with '0'.
- if (number === '0') {
- // decimal number starts with '0' such as '09' is illegal.
- if (ch && isDecimalDigit(ch.charCodeAt(0))) {
- throwError({}, Messages.UnexpectedToken, 'ILLEGAL');
- }
- }
-
- while (isDecimalDigit(source.charCodeAt(index))) {
- number += source[index++];
- }
- ch = source[index];
- }
-
- if (ch === '.') {
- number += source[index++];
- while (isDecimalDigit(source.charCodeAt(index))) {
- number += source[index++];
- }
- ch = source[index];
- }
-
- if (ch === 'e' || ch === 'E') {
- number += source[index++];
-
- ch = source[index];
- if (ch === '+' || ch === '-') {
- number += source[index++];
- }
- if (isDecimalDigit(source.charCodeAt(index))) {
- while (isDecimalDigit(source.charCodeAt(index))) {
- number += source[index++];
- }
- } else {
- throwError({}, Messages.UnexpectedToken, 'ILLEGAL');
- }
- }
-
- if (isIdentifierStart(source.charCodeAt(index))) {
- throwError({}, Messages.UnexpectedToken, 'ILLEGAL');
- }
-
- return {
- type: Token.NumericLiteral,
- value: parseFloat(number),
- range: [start, index]
- };
- }
-
- // 7.8.4 String Literals
-
- function scanStringLiteral() {
- var str = '', quote, start, ch, octal = false;
-
- quote = source[index];
- assert((quote === '\'' || quote === '"'),
- 'String literal must starts with a quote');
-
- start = index;
- ++index;
-
- while (index < length) {
- ch = source[index++];
-
- if (ch === quote) {
- quote = '';
- break;
- } else if (ch === '\\') {
- ch = source[index++];
- if (!ch || !isLineTerminator(ch.charCodeAt(0))) {
- switch (ch) {
- case 'n':
- str += '\n';
- break;
- case 'r':
- str += '\r';
- break;
- case 't':
- str += '\t';
- break;
- case 'b':
- str += '\b';
- break;
- case 'f':
- str += '\f';
- break;
- case 'v':
- str += '\x0B';
- break;
-
- default:
- str += ch;
- break;
- }
- } else {
- if (ch === '\r' && source[index] === '\n') {
- ++index;
- }
- }
- } else if (isLineTerminator(ch.charCodeAt(0))) {
- break;
- } else {
- str += ch;
- }
- }
-
- if (quote !== '') {
- throwError({}, Messages.UnexpectedToken, 'ILLEGAL');
- }
-
- return {
- type: Token.StringLiteral,
- value: str,
- octal: octal,
- range: [start, index]
- };
- }
-
- function isIdentifierName(token) {
- return token.type === Token.Identifier ||
- token.type === Token.Keyword ||
- token.type === Token.BooleanLiteral ||
- token.type === Token.NullLiteral;
- }
-
- function advance() {
- var ch;
-
- skipWhitespace();
-
- if (index >= length) {
- return {
- type: Token.EOF,
- range: [index, index]
- };
- }
-
- ch = source.charCodeAt(index);
-
- // Very common: ( and ) and ;
- if (ch === 40 || ch === 41 || ch === 58) {
- return scanPunctuator();
- }
-
- // String literal starts with single quote (#39) or double quote (#34).
- if (ch === 39 || ch === 34) {
- return scanStringLiteral();
- }
-
- if (isIdentifierStart(ch)) {
- return scanIdentifier();
- }
-
- // Dot (.) char #46 can also start a floating-point number, hence the need
- // to check the next character.
- if (ch === 46) {
- if (isDecimalDigit(source.charCodeAt(index + 1))) {
- return scanNumericLiteral();
- }
- return scanPunctuator();
- }
-
- if (isDecimalDigit(ch)) {
- return scanNumericLiteral();
- }
-
- return scanPunctuator();
- }
-
- function lex() {
- var token;
-
- token = lookahead;
- index = token.range[1];
-
- lookahead = advance();
-
- index = token.range[1];
-
- return token;
- }
-
- function peek() {
- var pos;
-
- pos = index;
- lookahead = advance();
- index = pos;
- }
-
- // Throw an exception
-
- function throwError(token, messageFormat) {
- var error,
- args = Array.prototype.slice.call(arguments, 2),
- msg = messageFormat.replace(
- /%(\d)/g,
- function (whole, index) {
- assert(index < args.length, 'Message reference must be in range');
- return args[index];
- }
- );
-
- error = new Error(msg);
- error.index = index;
- error.description = msg;
- throw error;
- }
-
- // Throw an exception because of the token.
-
- function throwUnexpected(token) {
- throwError(token, Messages.UnexpectedToken, token.value);
- }
-
- // Expect the next token to match the specified punctuator.
- // If not, an exception will be thrown.
-
- function expect(value) {
- var token = lex();
- if (token.type !== Token.Punctuator || token.value !== value) {
- throwUnexpected(token);
- }
- }
-
- // Return true if the next token matches the specified punctuator.
-
- function match(value) {
- return lookahead.type === Token.Punctuator && lookahead.value === value;
- }
-
- // Return true if the next token matches the specified keyword
-
- function matchKeyword(keyword) {
- return lookahead.type === Token.Keyword && lookahead.value === keyword;
- }
-
- function consumeSemicolon() {
- // Catch the very common case first: immediately a semicolon (char #59).
- if (source.charCodeAt(index) === 59) {
- lex();
- return;
- }
-
- skipWhitespace();
-
- if (match(';')) {
- lex();
- return;
- }
-
- if (lookahead.type !== Token.EOF && !match('}')) {
- throwUnexpected(lookahead);
- }
- }
-
- // 11.1.4 Array Initialiser
-
- function parseArrayInitialiser() {
- var elements = [];
-
- expect('[');
-
- while (!match(']')) {
- if (match(',')) {
- lex();
- elements.push(null);
- } else {
- elements.push(parseExpression());
-
- if (!match(']')) {
- expect(',');
- }
- }
- }
-
- expect(']');
-
- return delegate.createArrayExpression(elements);
- }
-
- // 11.1.5 Object Initialiser
-
- function parseObjectPropertyKey() {
- var token;
-
- skipWhitespace();
- token = lex();
-
- // Note: This function is called only from parseObjectProperty(), where
- // EOF and Punctuator tokens are already filtered out.
- if (token.type === Token.StringLiteral || token.type === Token.NumericLiteral) {
- return delegate.createLiteral(token);
- }
-
- return delegate.createIdentifier(token.value);
- }
-
- function parseObjectProperty() {
- var token, key;
-
- token = lookahead;
- skipWhitespace();
-
- if (token.type === Token.EOF || token.type === Token.Punctuator) {
- throwUnexpected(token);
- }
-
- key = parseObjectPropertyKey();
- expect(':');
- return delegate.createProperty('init', key, parseExpression());
- }
-
- function parseObjectInitialiser() {
- var properties = [];
-
- expect('{');
-
- while (!match('}')) {
- properties.push(parseObjectProperty());
-
- if (!match('}')) {
- expect(',');
- }
- }
-
- expect('}');
-
- return delegate.createObjectExpression(properties);
- }
-
- // 11.1.6 The Grouping Operator
-
- function parseGroupExpression() {
- var expr;
-
- expect('(');
-
- expr = parseExpression();
-
- expect(')');
-
- return expr;
- }
-
-
- // 11.1 Primary Expressions
-
- function parsePrimaryExpression() {
- var type, token, expr;
-
- if (match('(')) {
- return parseGroupExpression();
- }
-
- type = lookahead.type;
-
- if (type === Token.Identifier) {
- expr = delegate.createIdentifier(lex().value);
- } else if (type === Token.StringLiteral || type === Token.NumericLiteral) {
- expr = delegate.createLiteral(lex());
- } else if (type === Token.Keyword) {
- if (matchKeyword('this')) {
- lex();
- expr = delegate.createThisExpression();
- }
- } else if (type === Token.BooleanLiteral) {
- token = lex();
- token.value = (token.value === 'true');
- expr = delegate.createLiteral(token);
- } else if (type === Token.NullLiteral) {
- token = lex();
- token.value = null;
- expr = delegate.createLiteral(token);
- } else if (match('[')) {
- expr = parseArrayInitialiser();
- } else if (match('{')) {
- expr = parseObjectInitialiser();
- }
-
- if (expr) {
- return expr;
- }
-
- throwUnexpected(lex());
- }
-
- // 11.2 Left-Hand-Side Expressions
-
- function parseArguments() {
- var args = [];
-
- expect('(');
-
- if (!match(')')) {
- while (index < length) {
- args.push(parseExpression());
- if (match(')')) {
- break;
- }
- expect(',');
- }
- }
-
- expect(')');
-
- return args;
- }
-
- function parseNonComputedProperty() {
- var token;
-
- token = lex();
-
- if (!isIdentifierName(token)) {
- throwUnexpected(token);
- }
-
- return delegate.createIdentifier(token.value);
- }
-
- function parseNonComputedMember() {
- expect('.');
-
- return parseNonComputedProperty();
- }
-
- function parseComputedMember() {
- var expr;
-
- expect('[');
-
- expr = parseExpression();
-
- expect(']');
-
- return expr;
- }
-
- function parseLeftHandSideExpression() {
- var expr, args, property;
-
- expr = parsePrimaryExpression();
-
- while (true) {
- if (match('[')) {
- property = parseComputedMember();
- expr = delegate.createMemberExpression('[', expr, property);
- } else if (match('.')) {
- property = parseNonComputedMember();
- expr = delegate.createMemberExpression('.', expr, property);
- } else if (match('(')) {
- args = parseArguments();
- expr = delegate.createCallExpression(expr, args);
- } else {
- break;
- }
- }
-
- return expr;
- }
-
- // 11.3 Postfix Expressions
-
- var parsePostfixExpression = parseLeftHandSideExpression;
-
- // 11.4 Unary Operators
-
- function parseUnaryExpression() {
- var token, expr;
-
- if (lookahead.type !== Token.Punctuator && lookahead.type !== Token.Keyword) {
- expr = parsePostfixExpression();
- } else if (match('+') || match('-') || match('!')) {
- token = lex();
- expr = parseUnaryExpression();
- expr = delegate.createUnaryExpression(token.value, expr);
- } else if (matchKeyword('delete') || matchKeyword('void') || matchKeyword('typeof')) {
- throwError({}, Messages.UnexpectedToken);
- } else {
- expr = parsePostfixExpression();
- }
-
- return expr;
- }
-
- function binaryPrecedence(token) {
- var prec = 0;
-
- if (token.type !== Token.Punctuator && token.type !== Token.Keyword) {
- return 0;
- }
-
- switch (token.value) {
- case '||':
- prec = 1;
- break;
-
- case '&&':
- prec = 2;
- break;
-
- case '==':
- case '!=':
- case '===':
- case '!==':
- prec = 6;
- break;
-
- case '<':
- case '>':
- case '<=':
- case '>=':
- case 'instanceof':
- prec = 7;
- break;
-
- case 'in':
- prec = 7;
- break;
-
- case '+':
- case '-':
- prec = 9;
- break;
-
- case '*':
- case '/':
- case '%':
- prec = 11;
- break;
-
- default:
- break;
- }
-
- return prec;
- }
-
- // 11.5 Multiplicative Operators
- // 11.6 Additive Operators
- // 11.7 Bitwise Shift Operators
- // 11.8 Relational Operators
- // 11.9 Equality Operators
- // 11.10 Binary Bitwise Operators
- // 11.11 Binary Logical Operators
-
- function parseBinaryExpression() {
- var expr, token, prec, stack, right, operator, left, i;
-
- left = parseUnaryExpression();
-
- token = lookahead;
- prec = binaryPrecedence(token);
- if (prec === 0) {
- return left;
- }
- token.prec = prec;
- lex();
-
- right = parseUnaryExpression();
-
- stack = [left, token, right];
-
- while ((prec = binaryPrecedence(lookahead)) > 0) {
-
- // Reduce: make a binary expression from the three topmost entries.
- while ((stack.length > 2) && (prec <= stack[stack.length - 2].prec)) {
- right = stack.pop();
- operator = stack.pop().value;
- left = stack.pop();
- expr = delegate.createBinaryExpression(operator, left, right);
- stack.push(expr);
- }
-
- // Shift.
- token = lex();
- token.prec = prec;
- stack.push(token);
- expr = parseUnaryExpression();
- stack.push(expr);
- }
-
- // Final reduce to clean-up the stack.
- i = stack.length - 1;
- expr = stack[i];
- while (i > 1) {
- expr = delegate.createBinaryExpression(stack[i - 1].value, stack[i - 2], expr);
- i -= 2;
- }
-
- return expr;
- }
-
-
- // 11.12 Conditional Operator
-
- function parseConditionalExpression() {
- var expr, consequent, alternate;
-
- expr = parseBinaryExpression();
-
- if (match('?')) {
- lex();
- consequent = parseConditionalExpression();
- expect(':');
- alternate = parseConditionalExpression();
-
- expr = delegate.createConditionalExpression(expr, consequent, alternate);
- }
-
- return expr;
- }
-
- // Simplification since we do not support AssignmentExpression.
- var parseExpression = parseConditionalExpression;
-
- // Polymer Syntax extensions
-
- // Filter ::
- // Identifier
- // Identifier "(" ")"
- // Identifier "(" FilterArguments ")"
-
- function parseFilter() {
- var identifier, args;
-
- identifier = lex();
-
- if (identifier.type !== Token.Identifier) {
- throwUnexpected(identifier);
- }
-
- args = match('(') ? parseArguments() : [];
-
- return delegate.createFilter(identifier.value, args);
- }
-
- // Filters ::
- // "|" Filter
- // Filters "|" Filter
-
- function parseFilters() {
- while (match('|')) {
- lex();
- parseFilter();
- }
- }
-
- // TopLevel ::
- // LabelledExpressions
- // AsExpression
- // InExpression
- // FilterExpression
-
- // AsExpression ::
- // FilterExpression as Identifier
-
- // InExpression ::
- // Identifier, Identifier in FilterExpression
- // Identifier in FilterExpression
-
- // FilterExpression ::
- // Expression
- // Expression Filters
-
- function parseTopLevel() {
- skipWhitespace();
- peek();
-
- var expr = parseExpression();
- if (expr) {
- if (lookahead.value === ',' || lookahead.value == 'in' &&
- expr.type === Syntax.Identifier) {
- parseInExpression(expr);
- } else {
- parseFilters();
- if (lookahead.value === 'as') {
- parseAsExpression(expr);
- } else {
- delegate.createTopLevel(expr);
- }
- }
- }
-
- if (lookahead.type !== Token.EOF) {
- throwUnexpected(lookahead);
- }
- }
-
- function parseAsExpression(expr) {
- lex(); // as
- var identifier = lex().value;
- delegate.createAsExpression(expr, identifier);
- }
-
- function parseInExpression(identifier) {
- var indexName;
- if (lookahead.value === ',') {
- lex();
- if (lookahead.type !== Token.Identifier)
- throwUnexpected(lookahead);
- indexName = lex().value;
- }
-
- lex(); // in
- var expr = parseExpression();
- parseFilters();
- delegate.createInExpression(identifier.name, indexName, expr);
- }
-
- function parse(code, inDelegate) {
- delegate = inDelegate;
- source = code;
- index = 0;
- length = source.length;
- lookahead = null;
- state = {
- labelSet: {}
- };
-
- return parseTopLevel();
- }
-
- global.esprima = {
- parse: parse
- };
-})(this);
-
-// Copyright (c) 2014 The Polymer Project Authors. All rights reserved.
-// This code may only be used under the BSD style license found at http://polymer.github.io/LICENSE.txt
-// The complete set of authors may be found at http://polymer.github.io/AUTHORS.txt
-// The complete set of contributors may be found at http://polymer.github.io/CONTRIBUTORS.txt
-// Code distributed by Google as part of the polymer project is also
-// subject to an additional IP rights grant found at http://polymer.github.io/PATENTS.txt
-
-(function (global) {
- 'use strict';
-
- function prepareBinding(expressionText, name, node, filterRegistry) {
- var expression;
- try {
- expression = getExpression(expressionText);
- if (expression.scopeIdent &&
- (node.nodeType !== Node.ELEMENT_NODE ||
- node.tagName !== 'TEMPLATE' ||
- (name !== 'bind' && name !== 'repeat'))) {
- throw Error('as and in can only be used within <template bind/repeat>');
- }
- } catch (ex) {
- console.error('Invalid expression syntax: ' + expressionText, ex);
- return;
- }
-
- return function(model, node, oneTime) {
- var binding = expression.getBinding(model, filterRegistry, oneTime);
- if (expression.scopeIdent && binding) {
- node.polymerExpressionScopeIdent_ = expression.scopeIdent;
- if (expression.indexIdent)
- node.polymerExpressionIndexIdent_ = expression.indexIdent;
- }
-
- return binding;
- }
- }
-
- // TODO(rafaelw): Implement simple LRU.
- var expressionParseCache = Object.create(null);
-
- function getExpression(expressionText) {
- var expression = expressionParseCache[expressionText];
- if (!expression) {
- var delegate = new ASTDelegate();
- esprima.parse(expressionText, delegate);
- expression = new Expression(delegate);
- expressionParseCache[expressionText] = expression;
- }
- return expression;
- }
-
- function Literal(value) {
- this.value = value;
- this.valueFn_ = undefined;
- }
-
- Literal.prototype = {
- valueFn: function() {
- if (!this.valueFn_) {
- var value = this.value;
- this.valueFn_ = function() {
- return value;
- }
- }
-
- return this.valueFn_;
- }
- }
-
- function IdentPath(name) {
- this.name = name;
- this.path = Path.get(name);
- }
-
- IdentPath.prototype = {
- valueFn: function() {
- if (!this.valueFn_) {
- var name = this.name;
- var path = this.path;
- this.valueFn_ = function(model, observer) {
- if (observer)
- observer.addPath(model, path);
-
- return path.getValueFrom(model);
- }
- }
-
- return this.valueFn_;
- },
-
- setValue: function(model, newValue) {
- if (this.path.length == 1);
- model = findScope(model, this.path[0]);
-
- return this.path.setValueFrom(model, newValue);
- }
- };
-
- function MemberExpression(object, property, accessor) {
- this.computed = accessor == '[';
-
- this.dynamicDeps = typeof object == 'function' ||
- object.dynamicDeps ||
- (this.computed && !(property instanceof Literal));
-
- this.simplePath =
- !this.dynamicDeps &&
- (property instanceof IdentPath || property instanceof Literal) &&
- (object instanceof MemberExpression || object instanceof IdentPath);
-
- this.object = this.simplePath ? object : getFn(object);
- this.property = !this.computed || this.simplePath ?
- property : getFn(property);
- }
-
- MemberExpression.prototype = {
- get fullPath() {
- if (!this.fullPath_) {
-
- var parts = this.object instanceof MemberExpression ?
- this.object.fullPath.slice() : [this.object.name];
- parts.push(this.property instanceof IdentPath ?
- this.property.name : this.property.value);
- this.fullPath_ = Path.get(parts);
- }
-
- return this.fullPath_;
- },
-
- valueFn: function() {
- if (!this.valueFn_) {
- var object = this.object;
-
- if (this.simplePath) {
- var path = this.fullPath;
-
- this.valueFn_ = function(model, observer) {
- if (observer)
- observer.addPath(model, path);
-
- return path.getValueFrom(model);
- };
- } else if (!this.computed) {
- var path = Path.get(this.property.name);
-
- this.valueFn_ = function(model, observer, filterRegistry) {
- var context = object(model, observer, filterRegistry);
-
- if (observer)
- observer.addPath(context, path);
-
- return path.getValueFrom(context);
- }
- } else {
- // Computed property.
- var property = this.property;
-
- this.valueFn_ = function(model, observer, filterRegistry) {
- var context = object(model, observer, filterRegistry);
- var propName = property(model, observer, filterRegistry);
- if (observer)
- observer.addPath(context, [propName]);
-
- return context ? context[propName] : undefined;
- };
- }
- }
- return this.valueFn_;
- },
-
- setValue: function(model, newValue) {
- if (this.simplePath) {
- this.fullPath.setValueFrom(model, newValue);
- return newValue;
- }
-
- var object = this.object(model);
- var propName = this.property instanceof IdentPath ? this.property.name :
- this.property(model);
- return object[propName] = newValue;
- }
- };
-
- function Filter(name, args) {
- this.name = name;
- this.args = [];
- for (var i = 0; i < args.length; i++) {
- this.args[i] = getFn(args[i]);
- }
- }
-
- Filter.prototype = {
- transform: function(model, observer, filterRegistry, toModelDirection,
- initialArgs) {
- var fn = filterRegistry[this.name];
- var context = model;
- if (fn) {
- context = undefined;
- } else {
- fn = context[this.name];
- if (!fn) {
- console.error('Cannot find function or filter: ' + this.name);
- return;
- }
- }
-
- // If toModelDirection is falsey, then the "normal" (dom-bound) direction
- // is used. Otherwise, it looks for a 'toModel' property function on the
- // object.
- if (toModelDirection) {
- fn = fn.toModel;
- } else if (typeof fn.toDOM == 'function') {
- fn = fn.toDOM;
- }
-
- if (typeof fn != 'function') {
- console.error('Cannot find function or filter: ' + this.name);
- return;
- }
-
- var args = initialArgs || [];
- for (var i = 0; i < this.args.length; i++) {
- args.push(getFn(this.args[i])(model, observer, filterRegistry));
- }
-
- return fn.apply(context, args);
- }
- };
-
- function notImplemented() { throw Error('Not Implemented'); }
-
- var unaryOperators = {
- '+': function(v) { return +v; },
- '-': function(v) { return -v; },
- '!': function(v) { return !v; }
- };
-
- var binaryOperators = {
- '+': function(l, r) { return l+r; },
- '-': function(l, r) { return l-r; },
- '*': function(l, r) { return l*r; },
- '/': function(l, r) { return l/r; },
- '%': function(l, r) { return l%r; },
- '<': function(l, r) { return l<r; },
- '>': function(l, r) { return l>r; },
- '<=': function(l, r) { return l<=r; },
- '>=': function(l, r) { return l>=r; },
- '==': function(l, r) { return l==r; },
- '!=': function(l, r) { return l!=r; },
- '===': function(l, r) { return l===r; },
- '!==': function(l, r) { return l!==r; },
- '&&': function(l, r) { return l&&r; },
- '||': function(l, r) { return l||r; },
- };
-
- function getFn(arg) {
- return typeof arg == 'function' ? arg : arg.valueFn();
- }
-
- function ASTDelegate() {
- this.expression = null;
- this.filters = [];
- this.deps = {};
- this.currentPath = undefined;
- this.scopeIdent = undefined;
- this.indexIdent = undefined;
- this.dynamicDeps = false;
- }
-
- ASTDelegate.prototype = {
- createUnaryExpression: function(op, argument) {
- if (!unaryOperators[op])
- throw Error('Disallowed operator: ' + op);
-
- argument = getFn(argument);
-
- return function(model, observer, filterRegistry) {
- return unaryOperators[op](argument(model, observer, filterRegistry));
- };
- },
-
- createBinaryExpression: function(op, left, right) {
- if (!binaryOperators[op])
- throw Error('Disallowed operator: ' + op);
-
- left = getFn(left);
- right = getFn(right);
-
- return function(model, observer, filterRegistry) {
- return binaryOperators[op](left(model, observer, filterRegistry),
- right(model, observer, filterRegistry));
- };
- },
-
- createConditionalExpression: function(test, consequent, alternate) {
- test = getFn(test);
- consequent = getFn(consequent);
- alternate = getFn(alternate);
-
- return function(model, observer, filterRegistry) {
- return test(model, observer, filterRegistry) ?
- consequent(model, observer, filterRegistry) :
- alternate(model, observer, filterRegistry);
- }
- },
-
- createIdentifier: function(name) {
- var ident = new IdentPath(name);
- ident.type = 'Identifier';
- return ident;
- },
-
- createMemberExpression: function(accessor, object, property) {
- var ex = new MemberExpression(object, property, accessor);
- if (ex.dynamicDeps)
- this.dynamicDeps = true;
- return ex;
- },
-
- createCallExpression: function(expression, args) {
- if (!(expression instanceof IdentPath))
- throw Error('Only identifier function invocations are allowed');
-
- var filter = new Filter(expression.name, args);
-
- return function(model, observer, filterRegistry) {
- return filter.transform(model, observer, filterRegistry, false);
- };
- },
-
- createLiteral: function(token) {
- return new Literal(token.value);
- },
-
- createArrayExpression: function(elements) {
- for (var i = 0; i < elements.length; i++)
- elements[i] = getFn(elements[i]);
-
- return function(model, observer, filterRegistry) {
- var arr = []
- for (var i = 0; i < elements.length; i++)
- arr.push(elements[i](model, observer, filterRegistry));
- return arr;
- }
- },
-
- createProperty: function(kind, key, value) {
- return {
- key: key instanceof IdentPath ? key.name : key.value,
- value: value
- };
- },
-
- createObjectExpression: function(properties) {
- for (var i = 0; i < properties.length; i++)
- properties[i].value = getFn(properties[i].value);
-
- return function(model, observer, filterRegistry) {
- var obj = {};
- for (var i = 0; i < properties.length; i++)
- obj[properties[i].key] =
- properties[i].value(model, observer, filterRegistry);
- return obj;
- }
- },
-
- createFilter: function(name, args) {
- this.filters.push(new Filter(name, args));
- },
-
- createAsExpression: function(expression, scopeIdent) {
- this.expression = expression;
- this.scopeIdent = scopeIdent;
- },
-
- createInExpression: function(scopeIdent, indexIdent, expression) {
- this.expression = expression;
- this.scopeIdent = scopeIdent;
- this.indexIdent = indexIdent;
- },
-
- createTopLevel: function(expression) {
- this.expression = expression;
- },
-
- createThisExpression: notImplemented
- }
-
- function ConstantObservable(value) {
- this.value_ = value;
- }
-
- ConstantObservable.prototype = {
- open: function() { return this.value_; },
- discardChanges: function() { return this.value_; },
- deliver: function() {},
- close: function() {},
- }
-
- function Expression(delegate) {
- this.scopeIdent = delegate.scopeIdent;
- this.indexIdent = delegate.indexIdent;
-
- if (!delegate.expression)
- throw Error('No expression found.');
-
- this.expression = delegate.expression;
- getFn(this.expression); // forces enumeration of path dependencies
-
- this.filters = delegate.filters;
- this.dynamicDeps = delegate.dynamicDeps;
- }
-
- Expression.prototype = {
- getBinding: function(model, filterRegistry, oneTime) {
- if (oneTime)
- return this.getValue(model, undefined, filterRegistry);
-
- var observer = new CompoundObserver();
- // captures deps.
- var firstValue = this.getValue(model, observer, filterRegistry);
- var firstTime = true;
- var self = this;
-
- function valueFn() {
- // deps cannot have changed on first value retrieval.
- if (firstTime) {
- firstTime = false;
- return firstValue;
- }
-
- if (self.dynamicDeps)
- observer.startReset();
-
- var value = self.getValue(model,
- self.dynamicDeps ? observer : undefined,
- filterRegistry);
- if (self.dynamicDeps)
- observer.finishReset();
-
- return value;
- }
-
- function setValueFn(newValue) {
- self.setValue(model, newValue, filterRegistry);
- return newValue;
- }
-
- return new ObserverTransform(observer, valueFn, setValueFn, true);
- },
-
- getValue: function(model, observer, filterRegistry) {
- var value = getFn(this.expression)(model, observer, filterRegistry);
- for (var i = 0; i < this.filters.length; i++) {
- value = this.filters[i].transform(model, observer, filterRegistry,
- false, [value]);
- }
-
- return value;
- },
-
- setValue: function(model, newValue, filterRegistry) {
- var count = this.filters ? this.filters.length : 0;
- while (count-- > 0) {
- newValue = this.filters[count].transform(model, undefined,
- filterRegistry, true, [newValue]);
- }
-
- if (this.expression.setValue)
- return this.expression.setValue(model, newValue);
- }
- }
-
- /**
- * Converts a style property name to a css property name. For example:
- * "WebkitUserSelect" to "-webkit-user-select"
- */
- function convertStylePropertyName(name) {
- return String(name).replace(/[A-Z]/g, function(c) {
- return '-' + c.toLowerCase();
- });
- }
-
- var parentScopeName = '@' + Math.random().toString(36).slice(2);
-
- // Single ident paths must bind directly to the appropriate scope object.
- // I.e. Pushed values in two-bindings need to be assigned to the actual model
- // object.
- function findScope(model, prop) {
- while (model[parentScopeName] &&
- !Object.prototype.hasOwnProperty.call(model, prop)) {
- model = model[parentScopeName];
- }
-
- return model;
- }
-
- function isLiteralExpression(pathString) {
- switch (pathString) {
- case '':
- return false;
-
- case 'false':
- case 'null':
- case 'true':
- return true;
- }
-
- if (!isNaN(Number(pathString)))
- return true;
-
- return false;
- };
-
- function PolymerExpressions() {}
-
- PolymerExpressions.prototype = {
- // "built-in" filters
- styleObject: function(value) {
- var parts = [];
- for (var key in value) {
- parts.push(convertStylePropertyName(key) + ': ' + value[key]);
- }
- return parts.join('; ');
- },
-
- tokenList: function(value) {
- var tokens = [];
- for (var key in value) {
- if (value[key])
- tokens.push(key);
- }
- return tokens.join(' ');
- },
-
- // binding delegate API
- prepareInstancePositionChanged: function(template) {
- var indexIdent = template.polymerExpressionIndexIdent_;
- if (!indexIdent)
- return;
-
- return function(templateInstance, index) {
- templateInstance.model[indexIdent] = index;
- };
- },
-
- prepareBinding: function(pathString, name, node) {
- var path = Path.get(pathString);
-
- if (!isLiteralExpression(pathString) && path.valid) {
- if (path.length == 1) {
- return function(model, node, oneTime) {
- if (oneTime)
- return path.getValueFrom(model);
-
- var scope = findScope(model, path[0]);
- return new PathObserver(scope, path);
- };
- }
- return; // bail out early if pathString is simple path.
- }
-
- return prepareBinding(pathString, name, node, this);
- },
-
- prepareInstanceModel: function(template) {
- var scopeName = template.polymerExpressionScopeIdent_;
- if (!scopeName)
- return;
-
- var parentScope = template.templateInstance ?
- template.templateInstance.model :
- template.model;
-
- var indexName = template.polymerExpressionIndexIdent_;
-
- return function(model) {
- return createScopeObject(parentScope, model, scopeName, indexName);
- };
- }
- };
-
- var createScopeObject = ('__proto__' in {}) ?
- function(parentScope, model, scopeName, indexName) {
- var scope = {};
- scope[scopeName] = model;
- scope[indexName] = undefined;
- scope[parentScopeName] = parentScope;
- scope.__proto__ = parentScope;
- return scope;
- } :
- function(parentScope, model, scopeName, indexName) {
- var scope = Object.create(parentScope);
- Object.defineProperty(scope, scopeName,
- { value: model, configurable: true, writable: true });
- Object.defineProperty(scope, indexName,
- { value: undefined, configurable: true, writable: true });
- Object.defineProperty(scope, parentScopeName,
- { value: parentScope, configurable: true, writable: true });
- return scope;
- };
-
- global.PolymerExpressions = PolymerExpressions;
- PolymerExpressions.getExpression = getExpression;
-})(this);
-
-/*
- * Copyright (c) 2014 The Polymer Project Authors. All rights reserved.
- * This code may only be used under the BSD style license found at http://polymer.github.io/LICENSE.txt
- * The complete set of authors may be found at http://polymer.github.io/AUTHORS.txt
- * The complete set of contributors may be found at http://polymer.github.io/CONTRIBUTORS.txt
- * Code distributed by Google as part of the polymer project is also
- * subject to an additional IP rights grant found at http://polymer.github.io/PATENTS.txt
- */
-
-// TODO(sorvell): this ensures Polymer is an object and not a function
-// Platform is currently defining it as a function to allow for async loading
-// of polymer; once we refine the loading process this likely goes away.
-if (typeof window.Polymer === 'function') {
- Polymer = {};
-}
-
-
-/*
- * Copyright (c) 2014 The Polymer Project Authors. All rights reserved.
- * This code may only be used under the BSD style license found at http://polymer.github.io/LICENSE.txt
- * The complete set of authors may be found at http://polymer.github.io/AUTHORS.txt
- * The complete set of contributors may be found at http://polymer.github.io/CONTRIBUTORS.txt
- * Code distributed by Google as part of the polymer project is also
- * subject to an additional IP rights grant found at http://polymer.github.io/PATENTS.txt
- */
-
-(function(scope) {
-
- // copy own properties from 'api' to 'prototype, with name hinting for 'super'
- function extend(prototype, api) {
- if (prototype && api) {
- // use only own properties of 'api'
- Object.getOwnPropertyNames(api).forEach(function(n) {
- // acquire property descriptor
- var pd = Object.getOwnPropertyDescriptor(api, n);
- if (pd) {
- // clone property via descriptor
- Object.defineProperty(prototype, n, pd);
- // cache name-of-method for 'super' engine
- if (typeof pd.value == 'function') {
- // hint the 'super' engine
- pd.value.nom = n;
- }
- }
- });
- }
- return prototype;
- }
-
- // exports
-
- scope.extend = extend;
-
-})(Polymer);
-
-/*
- * Copyright (c) 2014 The Polymer Project Authors. All rights reserved.
- * This code may only be used under the BSD style license found at http://polymer.github.io/LICENSE.txt
- * The complete set of authors may be found at http://polymer.github.io/AUTHORS.txt
- * The complete set of contributors may be found at http://polymer.github.io/CONTRIBUTORS.txt
- * Code distributed by Google as part of the polymer project is also
- * subject to an additional IP rights grant found at http://polymer.github.io/PATENTS.txt
- */
-
-(function(scope) {
-
- // usage
-
- // invoke cb.call(this) in 100ms, unless the job is re-registered,
- // which resets the timer
- //
- // this.myJob = this.job(this.myJob, cb, 100)
- //
- // returns a job handle which can be used to re-register a job
-
- var Job = function(inContext) {
- this.context = inContext;
- this.boundComplete = this.complete.bind(this)
- };
- Job.prototype = {
- go: function(callback, wait) {
- this.callback = callback;
- var h;
- if (!wait) {
- h = requestAnimationFrame(this.boundComplete);
- this.handle = function() {
- cancelAnimationFrame(h);
- }
- } else {
- h = setTimeout(this.boundComplete, wait);
- this.handle = function() {
- clearTimeout(h);
- }
- }
- },
- stop: function() {
- if (this.handle) {
- this.handle();
- this.handle = null;
- }
- },
- complete: function() {
- if (this.handle) {
- this.stop();
- this.callback.call(this.context);
- }
- }
- };
-
- function job(job, callback, wait) {
- if (job) {
- job.stop();
- } else {
- job = new Job(this);
- }
- job.go(callback, wait);
- return job;
- }
-
- // exports
-
- scope.job = job;
-
-})(Polymer);
-
-/*
- * Copyright (c) 2014 The Polymer Project Authors. All rights reserved.
- * This code may only be used under the BSD style license found at http://polymer.github.io/LICENSE.txt
- * The complete set of authors may be found at http://polymer.github.io/AUTHORS.txt
- * The complete set of contributors may be found at http://polymer.github.io/CONTRIBUTORS.txt
- * Code distributed by Google as part of the polymer project is also
- * subject to an additional IP rights grant found at http://polymer.github.io/PATENTS.txt
- */
-
-(function(scope) {
-
- var registry = {};
-
- HTMLElement.register = function(tag, prototype) {
- registry[tag] = prototype;
- }
-
- // get prototype mapped to node <tag>
- HTMLElement.getPrototypeForTag = function(tag) {
- var prototype = !tag ? HTMLElement.prototype : registry[tag];
- // TODO(sjmiles): creating <tag> is likely to have wasteful side-effects
- return prototype || Object.getPrototypeOf(document.createElement(tag));
- };
-
- // we have to flag propagation stoppage for the event dispatcher
- var originalStopPropagation = Event.prototype.stopPropagation;
- Event.prototype.stopPropagation = function() {
- this.cancelBubble = true;
- originalStopPropagation.apply(this, arguments);
- };
-
- // TODO(sorvell): remove when we're sure imports does not need
- // to load stylesheets
- /*
- HTMLImports.importer.preloadSelectors +=
- ', polymer-element link[rel=stylesheet]';
- */
-})(Polymer);
-
-/*
- * Copyright (c) 2014 The Polymer Project Authors. All rights reserved.
- * This code may only be used under the BSD style license found at http://polymer.github.io/LICENSE.txt
- * The complete set of authors may be found at http://polymer.github.io/AUTHORS.txt
- * The complete set of contributors may be found at http://polymer.github.io/CONTRIBUTORS.txt
- * Code distributed by Google as part of the polymer project is also
- * subject to an additional IP rights grant found at http://polymer.github.io/PATENTS.txt
- */
-
- (function(scope) {
- // super
-
- // `arrayOfArgs` is an optional array of args like one might pass
- // to `Function.apply`
-
- // TODO(sjmiles):
- // $super must be installed on an instance or prototype chain
- // as `super`, and invoked via `this`, e.g.
- // `this.super();`
-
- // will not work if function objects are not unique, for example,
- // when using mixins.
- // The memoization strategy assumes each function exists on only one
- // prototype chain i.e. we use the function object for memoizing)
- // perhaps we can bookkeep on the prototype itself instead
- function $super(arrayOfArgs) {
- // since we are thunking a method call, performance is important here:
- // memoize all lookups, once memoized the fast path calls no other
- // functions
- //
- // find the caller (cannot be `strict` because of 'caller')
- var caller = $super.caller;
- // memoized 'name of method'
- var nom = caller.nom;
- // memoized next implementation prototype
- var _super = caller._super;
- if (!_super) {
- if (!nom) {
- nom = caller.nom = nameInThis.call(this, caller);
- }
- if (!nom) {
- console.warn('called super() on a method not installed declaratively (has no .nom property)');
- }
- // super prototype is either cached or we have to find it
- // by searching __proto__ (at the 'top')
- // invariant: because we cache _super on fn below, we never reach
- // here from inside a series of calls to super(), so it's ok to
- // start searching from the prototype of 'this' (at the 'top')
- // we must never memoize a null super for this reason
- _super = memoizeSuper(caller, nom, getPrototypeOf(this));
- }
- // our super function
- var fn = _super[nom];
- if (fn) {
- // memoize information so 'fn' can call 'super'
- if (!fn._super) {
- // must not memoize null, or we lose our invariant above
- memoizeSuper(fn, nom, _super);
- }
- // invoke the inherited method
- // if 'fn' is not function valued, this will throw
- return fn.apply(this, arrayOfArgs || []);
- }
- }
-
- function nameInThis(value) {
- var p = this.__proto__;
- while (p && p !== HTMLElement.prototype) {
- // TODO(sjmiles): getOwnPropertyNames is absurdly expensive
- var n$ = Object.getOwnPropertyNames(p);
- for (var i=0, l=n$.length, n; i<l && (n=n$[i]); i++) {
- var d = Object.getOwnPropertyDescriptor(p, n);
- if (typeof d.value === 'function' && d.value === value) {
- return n;
- }
- }
- p = p.__proto__;
- }
- }
-
- function memoizeSuper(method, name, proto) {
- // find and cache next prototype containing `name`
- // we need the prototype so we can do another lookup
- // from here
- var s = nextSuper(proto, name, method);
- if (s[name]) {
- // `s` is a prototype, the actual method is `s[name]`
- // tag super method with it's name for quicker lookups
- s[name].nom = name;
- }
- return method._super = s;
- }
-
- function nextSuper(proto, name, caller) {
- // look for an inherited prototype that implements name
- while (proto) {
- if ((proto[name] !== caller) && proto[name]) {
- return proto;
- }
- proto = getPrototypeOf(proto);
- }
- // must not return null, or we lose our invariant above
- // in this case, a super() call was invoked where no superclass
- // method exists
- // TODO(sjmiles): thow an exception?
- return Object;
- }
-
- // NOTE: In some platforms (IE10) the prototype chain is faked via
- // __proto__. Therefore, always get prototype via __proto__ instead of
- // the more standard Object.getPrototypeOf.
- function getPrototypeOf(prototype) {
- return prototype.__proto__;
- }
-
- // utility function to precompute name tags for functions
- // in a (unchained) prototype
- function hintSuper(prototype) {
- // tag functions with their prototype name to optimize
- // super call invocations
- for (var n in prototype) {
- var pd = Object.getOwnPropertyDescriptor(prototype, n);
- if (pd && typeof pd.value === 'function') {
- pd.value.nom = n;
- }
- }
- }
-
- // exports
-
- scope.super = $super;
-
-})(Polymer);
-
-/*
- * Copyright (c) 2014 The Polymer Project Authors. All rights reserved.
- * This code may only be used under the BSD style license found at http://polymer.github.io/LICENSE.txt
- * The complete set of authors may be found at http://polymer.github.io/AUTHORS.txt
- * The complete set of contributors may be found at http://polymer.github.io/CONTRIBUTORS.txt
- * Code distributed by Google as part of the polymer project is also
- * subject to an additional IP rights grant found at http://polymer.github.io/PATENTS.txt
- */
-
-(function(scope) {
-
- var typeHandlers = {
- string: function(value) {
- return value;
- },
- date: function(value) {
- return new Date(Date.parse(value) || Date.now());
- },
- boolean: function(value) {
- if (value === '') {
- return true;
- }
- return value === 'false' ? false : !!value;
- },
- number: function(value) {
- var n = parseFloat(value);
- // hex values like "0xFFFF" parseFloat as 0
- if (n === 0) {
- n = parseInt(value);
- }
- return isNaN(n) ? value : n;
- // this code disabled because encoded values (like "0xFFFF")
- // do not round trip to their original format
- //return (String(floatVal) === value) ? floatVal : value;
- },
- object: function(value, currentValue) {
- if (currentValue === null) {
- return value;
- }
- try {
- // If the string is an object, we can parse is with the JSON library.
- // include convenience replace for single-quotes. If the author omits
- // quotes altogether, parse will fail.
- return JSON.parse(value.replace(/'/g, '"'));
- } catch(e) {
- // The object isn't valid JSON, return the raw value
- return value;
- }
- },
- // avoid deserialization of functions
- 'function': function(value, currentValue) {
- return currentValue;
- }
- };
-
- function deserializeValue(value, currentValue) {
- // attempt to infer type from default value
- var inferredType = typeof currentValue;
- // invent 'date' type value for Date
- if (currentValue instanceof Date) {
- inferredType = 'date';
- }
- // delegate deserialization via type string
- return typeHandlers[inferredType](value, currentValue);
- }
-
- // exports
-
- scope.deserializeValue = deserializeValue;
-
-})(Polymer);
-
-/*
- * Copyright (c) 2014 The Polymer Project Authors. All rights reserved.
- * This code may only be used under the BSD style license found at http://polymer.github.io/LICENSE.txt
- * The complete set of authors may be found at http://polymer.github.io/AUTHORS.txt
- * The complete set of contributors may be found at http://polymer.github.io/CONTRIBUTORS.txt
- * Code distributed by Google as part of the polymer project is also
- * subject to an additional IP rights grant found at http://polymer.github.io/PATENTS.txt
- */
-(function(scope) {
-
- // imports
-
- var extend = scope.extend;
-
- // module
-
- var api = {};
-
- api.declaration = {};
- api.instance = {};
-
- api.publish = function(apis, prototype) {
- for (var n in apis) {
- extend(prototype, apis[n]);
- }
- };
-
- // exports
-
- scope.api = api;
-
-})(Polymer);
-
-/*
- * Copyright (c) 2014 The Polymer Project Authors. All rights reserved.
- * This code may only be used under the BSD style license found at http://polymer.github.io/LICENSE.txt
- * The complete set of authors may be found at http://polymer.github.io/AUTHORS.txt
- * The complete set of contributors may be found at http://polymer.github.io/CONTRIBUTORS.txt
- * Code distributed by Google as part of the polymer project is also
- * subject to an additional IP rights grant found at http://polymer.github.io/PATENTS.txt
- */
-
-(function(scope) {
-
- var utils = {
- /**
- * Invokes a function asynchronously. The context of the callback
- * function is bound to 'this' automatically.
- * @method async
- * @param {Function|String} method
- * @param {any|Array} args
- * @param {number} timeout
- */
- async: function(method, args, timeout) {
- // when polyfilling Object.observe, ensure changes
- // propagate before executing the async method
- Platform.flush();
- // second argument to `apply` must be an array
- args = (args && args.length) ? args : [args];
- // function to invoke
- var fn = function() {
- (this[method] || method).apply(this, args);
- }.bind(this);
- // execute `fn` sooner or later
- var handle = timeout ? setTimeout(fn, timeout) :
- requestAnimationFrame(fn);
- // NOTE: switch on inverting handle to determine which time is used.
- return timeout ? handle : ~handle;
- },
- cancelAsync: function(handle) {
- if (handle < 0) {
- cancelAnimationFrame(~handle);
- } else {
- clearTimeout(handle);
- }
- },
- /**
- * Fire an event.
- * @method fire
- * @returns {Object} event
- * @param {string} type An event name.
- * @param {any} detail
- * @param {Node} onNode Target node.
- */
- fire: function(type, detail, onNode, bubbles, cancelable) {
- var node = onNode || this;
- var detail = detail || {};
- var event = new CustomEvent(type, {
- bubbles: (bubbles !== undefined ? bubbles : true),
- cancelable: (cancelable !== undefined ? cancelable : true),
- detail: detail
- });
- node.dispatchEvent(event);
- return event;
- },
- /**
- * Fire an event asynchronously.
- * @method asyncFire
- * @param {string} type An event name.
- * @param detail
- * @param {Node} toNode Target node.
- */
- asyncFire: function(/*inType, inDetail*/) {
- this.async("fire", arguments);
- },
- /**
- * Remove class from old, add class to anew, if they exist.
- * @param classFollows
- * @param anew A node.
- * @param old A node
- * @param className
- */
- classFollows: function(anew, old, className) {
- if (old) {
- old.classList.remove(className);
- }
- if (anew) {
- anew.classList.add(className);
- }
- },
- /**
- * Inject HTML which contains markup bound to this element into
- * a target element (replacing target element content).
- * @param String html to inject
- * @param Element target element
- */
- injectBoundHTML: function(html, element) {
- var template = document.createElement('template');
- template.innerHTML = html;
- var fragment = this.instanceTemplate(template);
- if (element) {
- element.textContent = '';
- element.appendChild(fragment);
- }
- return fragment;
- }
- };
-
- // no-operation function for handy stubs
- var nop = function() {};
-
- // null-object for handy stubs
- var nob = {};
-
- // deprecated
-
- utils.asyncMethod = utils.async;
-
- // exports
-
- scope.api.instance.utils = utils;
- scope.nop = nop;
- scope.nob = nob;
-
-})(Polymer);
-
-/*
- * Copyright (c) 2014 The Polymer Project Authors. All rights reserved.
- * This code may only be used under the BSD style license found at http://polymer.github.io/LICENSE.txt
- * The complete set of authors may be found at http://polymer.github.io/AUTHORS.txt
- * The complete set of contributors may be found at http://polymer.github.io/CONTRIBUTORS.txt
- * Code distributed by Google as part of the polymer project is also
- * subject to an additional IP rights grant found at http://polymer.github.io/PATENTS.txt
- */
-
-(function(scope) {
-
- // imports
-
- var log = window.logFlags || {};
- var EVENT_PREFIX = 'on-';
-
- // instance events api
- var events = {
- // read-only
- EVENT_PREFIX: EVENT_PREFIX,
- // event listeners on host
- addHostListeners: function() {
- var events = this.eventDelegates;
- log.events && (Object.keys(events).length > 0) && console.log('[%s] addHostListeners:', this.localName, events);
- // NOTE: host events look like bindings but really are not;
- // (1) we don't want the attribute to be set and (2) we want to support
- // multiple event listeners ('host' and 'instance') and Node.bind
- // by default supports 1 thing being bound.
- for (var type in events) {
- var methodName = events[type];
- this.addEventListener(type, this.element.getEventHandler(this, this,
- methodName));
- }
- },
- // call 'method' or function method on 'obj' with 'args', if the method exists
- dispatchMethod: function(obj, method, args) {
- if (obj) {
- log.events && console.group('[%s] dispatch [%s]', obj.localName, method);
- var fn = typeof method === 'function' ? method : obj[method];
- if (fn) {
- fn[args ? 'apply' : 'call'](obj, args);
- }
- log.events && console.groupEnd();
- Platform.flush();
- }
- }
- };
-
- // exports
-
- scope.api.instance.events = events;
-
-})(Polymer);
-
-/*
- * Copyright (c) 2014 The Polymer Project Authors. All rights reserved.
- * This code may only be used under the BSD style license found at http://polymer.github.io/LICENSE.txt
- * The complete set of authors may be found at http://polymer.github.io/AUTHORS.txt
- * The complete set of contributors may be found at http://polymer.github.io/CONTRIBUTORS.txt
- * Code distributed by Google as part of the polymer project is also
- * subject to an additional IP rights grant found at http://polymer.github.io/PATENTS.txt
- */
-
-(function(scope) {
-
- // instance api for attributes
-
- var attributes = {
- copyInstanceAttributes: function () {
- var a$ = this._instanceAttributes;
- for (var k in a$) {
- if (!this.hasAttribute(k)) {
- this.setAttribute(k, a$[k]);
- }
- }
- },
- // for each attribute on this, deserialize value to property as needed
- takeAttributes: function() {
- // if we have no publish lookup table, we have no attributes to take
- // TODO(sjmiles): ad hoc
- if (this._publishLC) {
- for (var i=0, a$=this.attributes, l=a$.length, a; (a=a$[i]) && i<l; i++) {
- this.attributeToProperty(a.name, a.value);
- }
- }
- },
- // if attribute 'name' is mapped to a property, deserialize
- // 'value' into that property
- attributeToProperty: function(name, value) {
- // try to match this attribute to a property (attributes are
- // all lower-case, so this is case-insensitive search)
- var name = this.propertyForAttribute(name);
- if (name) {
- // filter out 'mustached' values, these are to be
- // replaced with bound-data and are not yet values
- // themselves
- if (value && value.search(scope.bindPattern) >= 0) {
- return;
- }
- // get original value
- var currentValue = this[name];
- // deserialize Boolean or Number values from attribute
- var value = this.deserializeValue(value, currentValue);
- // only act if the value has changed
- if (value !== currentValue) {
- // install new value (has side-effects)
- this[name] = value;
- }
- }
- },
- // return the published property matching name, or undefined
- propertyForAttribute: function(name) {
- var match = this._publishLC && this._publishLC[name];
- //console.log('propertyForAttribute:', name, 'matches', match);
- return match;
- },
- // convert representation of 'stringValue' based on type of 'currentValue'
- deserializeValue: function(stringValue, currentValue) {
- return scope.deserializeValue(stringValue, currentValue);
- },
- serializeValue: function(value, inferredType) {
- if (inferredType === 'boolean') {
- return value ? '' : undefined;
- } else if (inferredType !== 'object' && inferredType !== 'function'
- && value !== undefined) {
- return value;
- }
- },
- reflectPropertyToAttribute: function(name) {
- var inferredType = typeof this[name];
- // try to intelligently serialize property value
- var serializedValue = this.serializeValue(this[name], inferredType);
- // boolean properties must reflect as boolean attributes
- if (serializedValue !== undefined) {
- this.setAttribute(name, serializedValue);
- // TODO(sorvell): we should remove attr for all properties
- // that have undefined serialization; however, we will need to
- // refine the attr reflection system to achieve this; pica, for example,
- // relies on having inferredType object properties not removed as
- // attrs.
- } else if (inferredType === 'boolean') {
- this.removeAttribute(name);
- }
- }
- };
-
- // exports
-
- scope.api.instance.attributes = attributes;
-
-})(Polymer);
-
-/*
- * Copyright (c) 2014 The Polymer Project Authors. All rights reserved.
- * This code may only be used under the BSD style license found at http://polymer.github.io/LICENSE.txt
- * The complete set of authors may be found at http://polymer.github.io/AUTHORS.txt
- * The complete set of contributors may be found at http://polymer.github.io/CONTRIBUTORS.txt
- * Code distributed by Google as part of the polymer project is also
- * subject to an additional IP rights grant found at http://polymer.github.io/PATENTS.txt
- */
-
-(function(scope) {
-
- // imports
-
- var log = window.logFlags || {};
-
- // magic words
-
- var OBSERVE_SUFFIX = 'Changed';
-
- // element api
-
- var empty = [];
-
- var updateRecord = {
- object: undefined,
- type: 'update',
- name: undefined,
- oldValue: undefined
- };
-
- var numberIsNaN = Number.isNaN || function(value) {
- return typeof value === 'number' && isNaN(value);
- }
-
- function areSameValue(left, right) {
- if (left === right)
- return left !== 0 || 1 / left === 1 / right;
- if (numberIsNaN(left) && numberIsNaN(right))
- return true;
-
- return left !== left && right !== right;
- }
-
- // capture A's value if B's value is null or undefined,
- // otherwise use B's value
- function resolveBindingValue(oldValue, value) {
- if (value === undefined && oldValue === null) {
- return value;
- }
- return (value === null || value === undefined) ? oldValue : value;
- }
-
- var properties = {
- createPropertyObserver: function() {
- var n$ = this._observeNames;
- if (n$ && n$.length) {
- var o = this._propertyObserver = new CompoundObserver(true);
- this.registerObserver(o);
- // TODO(sorvell): may not be kosher to access the value here (this[n]);
- // previously we looked at the descriptor on the prototype
- // this doesn't work for inheritance and not for accessors without
- // a value property
- for (var i=0, l=n$.length, n; (i<l) && (n=n$[i]); i++) {
- o.addPath(this, n);
- this.observeArrayValue(n, this[n], null);
- }
- }
- },
- openPropertyObserver: function() {
- if (this._propertyObserver) {
- this._propertyObserver.open(this.notifyPropertyChanges, this);
- }
- },
- notifyPropertyChanges: function(newValues, oldValues, paths) {
- var name, method, called = {};
- for (var i in oldValues) {
- // note: paths is of form [object, path, object, path]
- name = paths[2 * i + 1];
- method = this.observe[name];
- if (method) {
- var ov = oldValues[i], nv = newValues[i];
- // observes the value if it is an array
- this.observeArrayValue(name, nv, ov);
- if (!called[method]) {
- // only invoke change method if one of ov or nv is not (undefined | null)
- if ((ov !== undefined && ov !== null) || (nv !== undefined && nv !== null)) {
- called[method] = true;
- // TODO(sorvell): call method with the set of values it's expecting;
- // e.g. 'foo bar': 'invalidate' expects the new and old values for
- // foo and bar. Currently we give only one of these and then
- // deliver all the arguments.
- this.invokeMethod(method, [ov, nv, arguments]);
- }
- }
- }
- }
- },
- deliverChanges: function() {
- if (this._propertyObserver) {
- this._propertyObserver.deliver();
- }
- },
- propertyChanged_: function(name, value, oldValue) {
- if (this.reflect[name]) {
- this.reflectPropertyToAttribute(name);
- }
- },
- observeArrayValue: function(name, value, old) {
- // we only care if there are registered side-effects
- var callbackName = this.observe[name];
- if (callbackName) {
- // if we are observing the previous value, stop
- if (Array.isArray(old)) {
- log.observe && console.log('[%s] observeArrayValue: unregister observer [%s]', this.localName, name);
- this.closeNamedObserver(name + '__array');
- }
- // if the new value is an array, being observing it
- if (Array.isArray(value)) {
- log.observe && console.log('[%s] observeArrayValue: register observer [%s]', this.localName, name, value);
- var observer = new ArrayObserver(value);
- observer.open(function(value, old) {
- this.invokeMethod(callbackName, [old]);
- }, this);
- this.registerNamedObserver(name + '__array', observer);
- }
- }
- },
- emitPropertyChangeRecord: function(name, value, oldValue) {
- var object = this;
- if (areSameValue(value, oldValue))
- return;
-
- this.propertyChanged_(name, value, oldValue);
-
- if (!Observer.hasObjectObserve)
- return;
-
- var notifier = this.notifier_;
- if (!notifier)
- notifier = this.notifier_ = Object.getNotifier(this);
-
- updateRecord.object = this;
- updateRecord.name = name;
- updateRecord.oldValue = oldValue;
-
- notifier.notify(updateRecord);
- },
- bindToAccessor: function(name, observable, resolveFn) {
- var privateName = name + '_';
- var privateObservable = name + 'Observable_';
-
- this[privateObservable] = observable;
- var oldValue = this[privateName];
-
- var self = this;
- var value = observable.open(function(value, oldValue) {
- self[privateName] = value;
- self.emitPropertyChangeRecord(name, value, oldValue);
- });
-
- if (resolveFn && !areSameValue(oldValue, value)) {
- var resolvedValue = resolveFn(oldValue, value);
- if (!areSameValue(value, resolvedValue)) {
- value = resolvedValue;
- if (observable.setValue)
- observable.setValue(value);
- }
- }
-
- this[privateName] = value;
- this.emitPropertyChangeRecord(name, value, oldValue);
-
- var observer = {
- close: function() {
- observable.close();
- self[privateObservable] = undefined;
- }
- };
- this.registerObserver(observer);
- return observer;
- },
- createComputedProperties: function() {
- if (!this._computedNames) {
- return;
- }
-
- for (var i = 0; i < this._computedNames.length; i++) {
- var name = this._computedNames[i];
- var expressionText = this.computed[name];
- try {
- var expression = PolymerExpressions.getExpression(expressionText);
- var observable = expression.getBinding(this, this.element.syntax);
- this.bindToAccessor(name, observable);
- } catch (ex) {
- console.error('Failed to create computed property', ex);
- }
- }
- },
- bindProperty: function(property, observable, oneTime) {
- if (oneTime) {
- this[property] = observable;
- return;
- }
- return this.bindToAccessor(property, observable, resolveBindingValue);
- },
- invokeMethod: function(method, args) {
- var fn = this[method] || method;
- if (typeof fn === 'function') {
- fn.apply(this, args);
- }
- },
- registerObserver: function(observer) {
- if (!this._observers) {
- this._observers = [observer];
- return;
- }
-
- this._observers.push(observer);
- },
- // observer array items are arrays of observers.
- closeObservers: function() {
- if (!this._observers) {
- return;
- }
-
- var observers = this._observers;
- for (var i = 0; i < observers.length; i++) {
- var observer = observers[i];
- if (observer && typeof observer.close == 'function') {
- observer.close();
- }
- }
-
- this._observers = [];
- },
- // bookkeeping observers for memory management
- registerNamedObserver: function(name, observer) {
- var o$ = this._namedObservers || (this._namedObservers = {});
- o$[name] = observer;
- },
- closeNamedObserver: function(name) {
- var o$ = this._namedObservers;
- if (o$ && o$[name]) {
- o$[name].close();
- o$[name] = null;
- return true;
- }
- },
- closeNamedObservers: function() {
- if (this._namedObservers) {
- for (var i in this._namedObservers) {
- this.closeNamedObserver(i);
- }
- this._namedObservers = {};
- }
- }
- };
-
- // logging
- var LOG_OBSERVE = '[%s] watching [%s]';
- var LOG_OBSERVED = '[%s#%s] watch: [%s] now [%s] was [%s]';
- var LOG_CHANGED = '[%s#%s] propertyChanged: [%s] now [%s] was [%s]';
-
- // exports
-
- scope.api.instance.properties = properties;
-
-})(Polymer);
-
-/*
- * Copyright (c) 2014 The Polymer Project Authors. All rights reserved.
- * This code may only be used under the BSD style license found at http://polymer.github.io/LICENSE.txt
- * The complete set of authors may be found at http://polymer.github.io/AUTHORS.txt
- * The complete set of contributors may be found at http://polymer.github.io/CONTRIBUTORS.txt
- * Code distributed by Google as part of the polymer project is also
- * subject to an additional IP rights grant found at http://polymer.github.io/PATENTS.txt
- */
-
-(function(scope) {
-
- // imports
-
- var log = window.logFlags || 0;
-
- // element api supporting mdv
- var mdv = {
- instanceTemplate: function(template) {
- // ensure a default bindingDelegate
- var syntax = this.syntax || (!template.bindingDelegate &&
- this.element.syntax);
- var dom = template.createInstance(this, syntax);
- var observers = dom.bindings_;
- for (var i = 0; i < observers.length; i++) {
- this.registerObserver(observers[i]);
- }
- return dom;
- },
- bind: function(name, observable, oneTime) {
- var property = this.propertyForAttribute(name);
- if (!property) {
- // TODO(sjmiles): this mixin method must use the special form
- // of `super` installed by `mixinMethod` in declaration/prototype.js
- return this.mixinSuper(arguments);
- } else {
- // use n-way Polymer binding
- var observer = this.bindProperty(property, observable, oneTime);
- // NOTE: reflecting binding information is typically required only for
- // tooling. It has a performance cost so it's opt-in in Node.bind.
- if (Platform.enableBindingsReflection && observer) {
- observer.path = observable.path_;
- this._recordBinding(property, observer);
- }
- if (this.reflect[property]) {
- this.reflectPropertyToAttribute(property);
- }
- return observer;
- }
- },
- bindFinished: function() {
- this.makeElementReady();
- },
- _recordBinding: function(name, observer) {
- this.bindings_ = this.bindings_ || {};
- this.bindings_[name] = observer;
- },
- // TODO(sorvell): unbind/unbindAll has been removed, as public api, from
- // TemplateBinding. We still need to close/dispose of observers but perhaps
- // we should choose a more explicit name.
- asyncUnbindAll: function() {
- if (!this._unbound) {
- log.unbind && console.log('[%s] asyncUnbindAll', this.localName);
- this._unbindAllJob = this.job(this._unbindAllJob, this.unbindAll, 0);
- }
- },
- unbindAll: function() {
- if (!this._unbound) {
- this.closeObservers();
- this.closeNamedObservers();
- this._unbound = true;
- }
- },
- cancelUnbindAll: function() {
- if (this._unbound) {
- log.unbind && console.warn('[%s] already unbound, cannot cancel unbindAll', this.localName);
- return;
- }
- log.unbind && console.log('[%s] cancelUnbindAll', this.localName);
- if (this._unbindAllJob) {
- this._unbindAllJob = this._unbindAllJob.stop();
- }
- }
- };
-
- function unbindNodeTree(node) {
- forNodeTree(node, _nodeUnbindAll);
- }
-
- function _nodeUnbindAll(node) {
- node.unbindAll();
- }
-
- function forNodeTree(node, callback) {
- if (node) {
- callback(node);
- for (var child = node.firstChild; child; child = child.nextSibling) {
- forNodeTree(child, callback);
- }
- }
- }
-
- var mustachePattern = /\{\{([^{}]*)}}/;
-
- // exports
-
- scope.bindPattern = mustachePattern;
- scope.api.instance.mdv = mdv;
-
-})(Polymer);
-
-/*
- * Copyright (c) 2014 The Polymer Project Authors. All rights reserved.
- * This code may only be used under the BSD style license found at http://polymer.github.io/LICENSE.txt
- * The complete set of authors may be found at http://polymer.github.io/AUTHORS.txt
- * The complete set of contributors may be found at http://polymer.github.io/CONTRIBUTORS.txt
- * Code distributed by Google as part of the polymer project is also
- * subject to an additional IP rights grant found at http://polymer.github.io/PATENTS.txt
- */
-
-(function(scope) {
-
- var base = {
- PolymerBase: true,
- job: function(job, callback, wait) {
- if (typeof job === 'string') {
- var n = '___' + job;
- this[n] = Polymer.job.call(this, this[n], callback, wait);
- } else {
- return Polymer.job.call(this, job, callback, wait);
- }
- },
- super: Polymer.super,
- // user entry point for element has had its createdCallback called
- created: function() {
- },
- // user entry point for element has shadowRoot and is ready for
- // api interaction
- ready: function() {
- },
- createdCallback: function() {
- if (this.templateInstance && this.templateInstance.model) {
- console.warn('Attributes on ' + this.localName + ' were data bound ' +
- 'prior to Polymer upgrading the element. This may result in ' +
- 'incorrect binding types.');
- }
- this.created();
- this.prepareElement();
- // TODO(sorvell): replace when ShadowDOMPolyfill issue is corrected
- // https://github.com/Polymer/ShadowDOM/issues/420
- if (!this.ownerDocument.isStagingDocument || window.ShadowDOMPolyfill) {
- this.makeElementReady();
- }
- },
- // system entry point, do not override
- prepareElement: function() {
- if (this._elementPrepared) {
- console.warn('Element already prepared', this.localName);
- return;
- }
- this._elementPrepared = true;
- // storage for shadowRoots info
- this.shadowRoots = {};
- // install property observers
- this.createPropertyObserver();
- // TODO (sorvell): temporarily open observer when created
- this.openPropertyObserver();
- // install boilerplate attributes
- this.copyInstanceAttributes();
- // process input attributes
- this.takeAttributes();
- // add event listeners
- this.addHostListeners();
- },
- makeElementReady: function() {
- if (this._readied) {
- return;
- }
- this._readied = true;
- this.createComputedProperties();
- // TODO(sorvell): We could create an entry point here
- // for the user to compute property values.
- // process declarative resources
- this.parseDeclarations(this.__proto__);
- // TODO(sorvell): CE polyfill uses unresolved attribute to simulate
- // :unresolved; remove this attribute to be compatible with native
- // CE.
- this.removeAttribute('unresolved');
- // user entry point
- this.ready();
- // TODO (sorvell): temporarily open observer when created
- // turn on property observation and take any initial changes
- //this.openPropertyObserver();
- },
- attachedCallback: function() {
- this.cancelUnbindAll();
- // invoke user action
- if (this.attached) {
- this.attached();
- }
- // TODO(sorvell): bc
- if (this.enteredView) {
- this.enteredView();
- }
- // NOTE: domReady can be used to access elements in dom (descendants,
- // ancestors, siblings) such that the developer is enured to upgrade
- // ordering. If the element definitions have loaded, domReady
- // can be used to access upgraded elements.
- if (!this.hasBeenAttached) {
- this.hasBeenAttached = true;
- if (this.domReady) {
- this.async('domReady');
- }
- }
- },
- detachedCallback: function() {
- if (!this.preventDispose) {
- this.asyncUnbindAll();
- }
- // invoke user action
- if (this.detached) {
- this.detached();
- }
- // TODO(sorvell): bc
- if (this.leftView) {
- this.leftView();
- }
- },
- // TODO(sorvell): bc
- enteredViewCallback: function() {
- this.attachedCallback();
- },
- // TODO(sorvell): bc
- leftViewCallback: function() {
- this.detachedCallback();
- },
- // TODO(sorvell): bc
- enteredDocumentCallback: function() {
- this.attachedCallback();
- },
- // TODO(sorvell): bc
- leftDocumentCallback: function() {
- this.detachedCallback();
- },
- // recursive ancestral <element> initialization, oldest first
- parseDeclarations: function(p) {
- if (p && p.element) {
- this.parseDeclarations(p.__proto__);
- p.parseDeclaration.call(this, p.element);
- }
- },
- // parse input <element> as needed, override for custom behavior
- parseDeclaration: function(elementElement) {
- var template = this.fetchTemplate(elementElement);
- if (template) {
- var root = this.shadowFromTemplate(template);
- this.shadowRoots[elementElement.name] = root;
- }
- },
- // return a shadow-root template (if desired), override for custom behavior
- fetchTemplate: function(elementElement) {
- return elementElement.querySelector('template');
- },
- // utility function that creates a shadow root from a <template>
- shadowFromTemplate: function(template) {
- if (template) {
- // make a shadow root
- var root = this.createShadowRoot();
- // stamp template
- // which includes parsing and applying MDV bindings before being
- // inserted (to avoid {{}} in attribute values)
- // e.g. to prevent <img src="images/{{icon}}"> from generating a 404.
- var dom = this.instanceTemplate(template);
- // append to shadow dom
- root.appendChild(dom);
- // perform post-construction initialization tasks on shadow root
- this.shadowRootReady(root, template);
- // return the created shadow root
- return root;
- }
- },
- // utility function that stamps a <template> into light-dom
- lightFromTemplate: function(template, refNode) {
- if (template) {
- // TODO(sorvell): mark this element as an eventController so that
- // event listeners on bound nodes inside it will be called on it.
- // Note, the expectation here is that events on all descendants
- // should be handled by this element.
- this.eventController = this;
- // stamp template
- // which includes parsing and applying MDV bindings before being
- // inserted (to avoid {{}} in attribute values)
- // e.g. to prevent <img src="images/{{icon}}"> from generating a 404.
- var dom = this.instanceTemplate(template);
- // append to shadow dom
- if (refNode) {
- this.insertBefore(dom, refNode);
- } else {
- this.appendChild(dom);
- }
- // perform post-construction initialization tasks on ahem, light root
- this.shadowRootReady(this);
- // return the created shadow root
- return dom;
- }
- },
- shadowRootReady: function(root) {
- // locate nodes with id and store references to them in this.$ hash
- this.marshalNodeReferences(root);
- // set up polymer gestures
- PolymerGestures.register(root);
- },
- // locate nodes with id and store references to them in this.$ hash
- marshalNodeReferences: function(root) {
- // establish $ instance variable
- var $ = this.$ = this.$ || {};
- // populate $ from nodes with ID from the LOCAL tree
- if (root) {
- var n$ = root.querySelectorAll("[id]");
- for (var i=0, l=n$.length, n; (i<l) && (n=n$[i]); i++) {
- $[n.id] = n;
- };
- }
- },
- attributeChangedCallback: function(name, oldValue) {
- // TODO(sjmiles): adhoc filter
- if (name !== 'class' && name !== 'style') {
- this.attributeToProperty(name, this.getAttribute(name));
- }
- if (this.attributeChanged) {
- this.attributeChanged.apply(this, arguments);
- }
- },
- onMutation: function(node, listener) {
- var observer = new MutationObserver(function(mutations) {
- listener.call(this, observer, mutations);
- observer.disconnect();
- }.bind(this));
- observer.observe(node, {childList: true, subtree: true});
- }
- };
-
- // true if object has own PolymerBase api
- function isBase(object) {
- return object.hasOwnProperty('PolymerBase')
- }
-
- // name a base constructor for dev tools
-
- function PolymerBase() {};
- PolymerBase.prototype = base;
- base.constructor = PolymerBase;
-
- // exports
-
- scope.Base = PolymerBase;
- scope.isBase = isBase;
- scope.api.instance.base = base;
-
-})(Polymer);
-
-/*
- * Copyright (c) 2014 The Polymer Project Authors. All rights reserved.
- * This code may only be used under the BSD style license found at http://polymer.github.io/LICENSE.txt
- * The complete set of authors may be found at http://polymer.github.io/AUTHORS.txt
- * The complete set of contributors may be found at http://polymer.github.io/CONTRIBUTORS.txt
- * Code distributed by Google as part of the polymer project is also
- * subject to an additional IP rights grant found at http://polymer.github.io/PATENTS.txt
- */
-
-(function(scope) {
-
- // imports
-
- var log = window.logFlags || {};
-
- // magic words
-
- var STYLE_SCOPE_ATTRIBUTE = 'element';
- var STYLE_CONTROLLER_SCOPE = 'controller';
-
- var styles = {
- STYLE_SCOPE_ATTRIBUTE: STYLE_SCOPE_ATTRIBUTE,
- /**
- * Installs external stylesheets and <style> elements with the attribute
- * polymer-scope='controller' into the scope of element. This is intended
- * to be a called during custom element construction.
- */
- installControllerStyles: function() {
- // apply controller styles, but only if they are not yet applied
- var scope = this.findStyleScope();
- if (scope && !this.scopeHasNamedStyle(scope, this.localName)) {
- // allow inherited controller styles
- var proto = getPrototypeOf(this), cssText = '';
- while (proto && proto.element) {
- cssText += proto.element.cssTextForScope(STYLE_CONTROLLER_SCOPE);
- proto = getPrototypeOf(proto);
- }
- if (cssText) {
- this.installScopeCssText(cssText, scope);
- }
- }
- },
- installScopeStyle: function(style, name, scope) {
- var scope = scope || this.findStyleScope(), name = name || '';
- if (scope && !this.scopeHasNamedStyle(scope, this.localName + name)) {
- var cssText = '';
- if (style instanceof Array) {
- for (var i=0, l=style.length, s; (i<l) && (s=style[i]); i++) {
- cssText += s.textContent + '\n\n';
- }
- } else {
- cssText = style.textContent;
- }
- this.installScopeCssText(cssText, scope, name);
- }
- },
- installScopeCssText: function(cssText, scope, name) {
- scope = scope || this.findStyleScope();
- name = name || '';
- if (!scope) {
- return;
- }
- if (window.ShadowDOMPolyfill) {
- cssText = shimCssText(cssText, scope.host);
- }
- var style = this.element.cssTextToScopeStyle(cssText,
- STYLE_CONTROLLER_SCOPE);
- Polymer.applyStyleToScope(style, scope);
- // cache that this style has been applied
- this.styleCacheForScope(scope)[this.localName + name] = true;
- },
- findStyleScope: function(node) {
- // find the shadow root that contains this element
- var n = node || this;
- while (n.parentNode) {
- n = n.parentNode;
- }
- return n;
- },
- scopeHasNamedStyle: function(scope, name) {
- var cache = this.styleCacheForScope(scope);
- return cache[name];
- },
- styleCacheForScope: function(scope) {
- if (window.ShadowDOMPolyfill) {
- var scopeName = scope.host ? scope.host.localName : scope.localName;
- return polyfillScopeStyleCache[scopeName] || (polyfillScopeStyleCache[scopeName] = {});
- } else {
- return scope._scopeStyles = (scope._scopeStyles || {});
- }
- }
- };
-
- var polyfillScopeStyleCache = {};
-
- // NOTE: use raw prototype traversal so that we ensure correct traversal
- // on platforms where the protoype chain is simulated via __proto__ (IE10)
- function getPrototypeOf(prototype) {
- return prototype.__proto__;
- }
-
- function shimCssText(cssText, host) {
- var name = '', is = false;
- if (host) {
- name = host.localName;
- is = host.hasAttribute('is');
- }
- var selector = Platform.ShadowCSS.makeScopeSelector(name, is);
- return Platform.ShadowCSS.shimCssText(cssText, selector);
- }
-
- // exports
-
- scope.api.instance.styles = styles;
-
-})(Polymer);
-
-/*
- * Copyright (c) 2014 The Polymer Project Authors. All rights reserved.
- * This code may only be used under the BSD style license found at http://polymer.github.io/LICENSE.txt
- * The complete set of authors may be found at http://polymer.github.io/AUTHORS.txt
- * The complete set of contributors may be found at http://polymer.github.io/CONTRIBUTORS.txt
- * Code distributed by Google as part of the polymer project is also
- * subject to an additional IP rights grant found at http://polymer.github.io/PATENTS.txt
- */
-
-(function(scope) {
-
- // imports
-
- var extend = scope.extend;
- var api = scope.api;
-
- // imperative implementation: Polymer()
-
- // specify an 'own' prototype for tag `name`
- function element(name, prototype) {
- if (arguments.length === 1 && typeof arguments[0] !== 'string') {
- prototype = name;
- var script = document._currentScript;
- name = script && script.parentNode && script.parentNode.getAttribute ?
- script.parentNode.getAttribute('name') : '';
- if (!name) {
- throw 'Element name could not be inferred.';
- }
- }
- if (getRegisteredPrototype[name]) {
- throw 'Already registered (Polymer) prototype for element ' + name;
- }
- // cache the prototype
- registerPrototype(name, prototype);
- // notify the registrar waiting for 'name', if any
- notifyPrototype(name);
- }
-
- // async prototype source
-
- function waitingForPrototype(name, client) {
- waitPrototype[name] = client;
- }
-
- var waitPrototype = {};
-
- function notifyPrototype(name) {
- if (waitPrototype[name]) {
- waitPrototype[name].registerWhenReady();
- delete waitPrototype[name];
- }
- }
-
- // utility and bookkeeping
-
- // maps tag names to prototypes, as registered with
- // Polymer. Prototypes associated with a tag name
- // using document.registerElement are available from
- // HTMLElement.getPrototypeForTag().
- // If an element was fully registered by Polymer, then
- // Polymer.getRegisteredPrototype(name) ===
- // HTMLElement.getPrototypeForTag(name)
-
- var prototypesByName = {};
-
- function registerPrototype(name, prototype) {
- return prototypesByName[name] = prototype || {};
- }
-
- function getRegisteredPrototype(name) {
- return prototypesByName[name];
- }
-
- // exports
-
- scope.getRegisteredPrototype = getRegisteredPrototype;
- scope.waitingForPrototype = waitingForPrototype;
-
- // namespace shenanigans so we can expose our scope on the registration
- // function
-
- // make window.Polymer reference `element()`
-
- window.Polymer = element;
-
- // TODO(sjmiles): find a way to do this that is less terrible
- // copy window.Polymer properties onto `element()`
-
- extend(Polymer, scope);
-
- // Under the HTMLImports polyfill, scripts in the main document
- // do not block on imports; we want to allow calls to Polymer in the main
- // document. Platform collects those calls until we can process them, which
- // we do here.
-
- var declarations = Platform.deliverDeclarations();
- if (declarations) {
- for (var i=0, l=declarations.length, d; (i<l) && (d=declarations[i]); i++) {
- element.apply(null, d);
- }
- }
-
-})(Polymer);
-
-/*
- * Copyright (c) 2014 The Polymer Project Authors. All rights reserved.
- * This code may only be used under the BSD style license found at http://polymer.github.io/LICENSE.txt
- * The complete set of authors may be found at http://polymer.github.io/AUTHORS.txt
- * The complete set of contributors may be found at http://polymer.github.io/CONTRIBUTORS.txt
- * Code distributed by Google as part of the polymer project is also
- * subject to an additional IP rights grant found at http://polymer.github.io/PATENTS.txt
- */
-
-(function(scope) {
-
-var path = {
- resolveElementPaths: function(node) {
- Platform.urlResolver.resolveDom(node);
- },
- addResolvePathApi: function() {
- // let assetpath attribute modify the resolve path
- var assetPath = this.getAttribute('assetpath') || '';
- var root = new URL(assetPath, this.ownerDocument.baseURI);
- this.prototype.resolvePath = function(urlPath, base) {
- var u = new URL(urlPath, base || root);
- return u.href;
- };
- }
-};
-
-// exports
-scope.api.declaration.path = path;
-
-})(Polymer);
-
-/*
- * Copyright (c) 2014 The Polymer Project Authors. All rights reserved.
- * This code may only be used under the BSD style license found at http://polymer.github.io/LICENSE.txt
- * The complete set of authors may be found at http://polymer.github.io/AUTHORS.txt
- * The complete set of contributors may be found at http://polymer.github.io/CONTRIBUTORS.txt
- * Code distributed by Google as part of the polymer project is also
- * subject to an additional IP rights grant found at http://polymer.github.io/PATENTS.txt
- */
-
-(function(scope) {
-
- // imports
-
- var log = window.logFlags || {};
- var api = scope.api.instance.styles;
- var STYLE_SCOPE_ATTRIBUTE = api.STYLE_SCOPE_ATTRIBUTE;
-
- // magic words
-
- var STYLE_SELECTOR = 'style';
- var STYLE_LOADABLE_MATCH = '@import';
- var SHEET_SELECTOR = 'link[rel=stylesheet]';
- var STYLE_GLOBAL_SCOPE = 'global';
- var SCOPE_ATTR = 'polymer-scope';
-
- var styles = {
- // returns true if resources are loading
- loadStyles: function(callback) {
- var template = this.fetchTemplate();
- var content = template && this.templateContent();
- if (content) {
- this.convertSheetsToStyles(content);
- var styles = this.findLoadableStyles(content);
- if (styles.length) {
- var templateUrl = template.ownerDocument.baseURI;
- return Platform.styleResolver.loadStyles(styles, templateUrl, callback);
- }
- }
- if (callback) {
- callback();
- }
- },
- convertSheetsToStyles: function(root) {
- var s$ = root.querySelectorAll(SHEET_SELECTOR);
- for (var i=0, l=s$.length, s, c; (i<l) && (s=s$[i]); i++) {
- c = createStyleElement(importRuleForSheet(s, this.ownerDocument.baseURI),
- this.ownerDocument);
- this.copySheetAttributes(c, s);
- s.parentNode.replaceChild(c, s);
- }
- },
- copySheetAttributes: function(style, link) {
- for (var i=0, a$=link.attributes, l=a$.length, a; (a=a$[i]) && i<l; i++) {
- if (a.name !== 'rel' && a.name !== 'href') {
- style.setAttribute(a.name, a.value);
- }
- }
- },
- findLoadableStyles: function(root) {
- var loadables = [];
- if (root) {
- var s$ = root.querySelectorAll(STYLE_SELECTOR);
- for (var i=0, l=s$.length, s; (i<l) && (s=s$[i]); i++) {
- if (s.textContent.match(STYLE_LOADABLE_MATCH)) {
- loadables.push(s);
- }
- }
- }
- return loadables;
- },
- /**
- * Install external stylesheets loaded in <polymer-element> elements into the
- * element's template.
- * @param elementElement The <element> element to style.
- */
- installSheets: function() {
- this.cacheSheets();
- this.cacheStyles();
- this.installLocalSheets();
- this.installGlobalStyles();
- },
- /**
- * Remove all sheets from element and store for later use.
- */
- cacheSheets: function() {
- this.sheets = this.findNodes(SHEET_SELECTOR);
- this.sheets.forEach(function(s) {
- if (s.parentNode) {
- s.parentNode.removeChild(s);
- }
- });
- },
- cacheStyles: function() {
- this.styles = this.findNodes(STYLE_SELECTOR + '[' + SCOPE_ATTR + ']');
- this.styles.forEach(function(s) {
- if (s.parentNode) {
- s.parentNode.removeChild(s);
- }
- });
- },
- /**
- * Takes external stylesheets loaded in an <element> element and moves
- * their content into a <style> element inside the <element>'s template.
- * The sheet is then removed from the <element>. This is done only so
- * that if the element is loaded in the main document, the sheet does
- * not become active.
- * Note, ignores sheets with the attribute 'polymer-scope'.
- * @param elementElement The <element> element to style.
- */
- installLocalSheets: function () {
- var sheets = this.sheets.filter(function(s) {
- return !s.hasAttribute(SCOPE_ATTR);
- });
- var content = this.templateContent();
- if (content) {
- var cssText = '';
- sheets.forEach(function(sheet) {
- cssText += cssTextFromSheet(sheet) + '\n';
- });
- if (cssText) {
- var style = createStyleElement(cssText, this.ownerDocument);
- content.insertBefore(style, content.firstChild);
- }
- }
- },
- findNodes: function(selector, matcher) {
- var nodes = this.querySelectorAll(selector).array();
- var content = this.templateContent();
- if (content) {
- var templateNodes = content.querySelectorAll(selector).array();
- nodes = nodes.concat(templateNodes);
- }
- return matcher ? nodes.filter(matcher) : nodes;
- },
- /**
- * Promotes external stylesheets and <style> elements with the attribute
- * polymer-scope='global' into global scope.
- * This is particularly useful for defining @keyframe rules which
- * currently do not function in scoped or shadow style elements.
- * (See wkb.ug/72462)
- * @param elementElement The <element> element to style.
- */
- // TODO(sorvell): remove when wkb.ug/72462 is addressed.
- installGlobalStyles: function() {
- var style = this.styleForScope(STYLE_GLOBAL_SCOPE);
- applyStyleToScope(style, document.head);
- },
- cssTextForScope: function(scopeDescriptor) {
- var cssText = '';
- // handle stylesheets
- var selector = '[' + SCOPE_ATTR + '=' + scopeDescriptor + ']';
- var matcher = function(s) {
- return matchesSelector(s, selector);
- };
- var sheets = this.sheets.filter(matcher);
- sheets.forEach(function(sheet) {
- cssText += cssTextFromSheet(sheet) + '\n\n';
- });
- // handle cached style elements
- var styles = this.styles.filter(matcher);
- styles.forEach(function(style) {
- cssText += style.textContent + '\n\n';
- });
- return cssText;
- },
- styleForScope: function(scopeDescriptor) {
- var cssText = this.cssTextForScope(scopeDescriptor);
- return this.cssTextToScopeStyle(cssText, scopeDescriptor);
- },
- cssTextToScopeStyle: function(cssText, scopeDescriptor) {
- if (cssText) {
- var style = createStyleElement(cssText);
- style.setAttribute(STYLE_SCOPE_ATTRIBUTE, this.getAttribute('name') +
- '-' + scopeDescriptor);
- return style;
- }
- }
- };
-
- function importRuleForSheet(sheet, baseUrl) {
- var href = new URL(sheet.getAttribute('href'), baseUrl).href;
- return '@import \'' + href + '\';';
- }
-
- function applyStyleToScope(style, scope) {
- if (style) {
- if (scope === document) {
- scope = document.head;
- }
- if (window.ShadowDOMPolyfill) {
- scope = document.head;
- }
- // TODO(sorvell): necessary for IE
- // see https://connect.microsoft.com/IE/feedback/details/790212/
- // cloning-a-style-element-and-adding-to-document-produces
- // -unexpected-result#details
- // var clone = style.cloneNode(true);
- var clone = createStyleElement(style.textContent);
- var attr = style.getAttribute(STYLE_SCOPE_ATTRIBUTE);
- if (attr) {
- clone.setAttribute(STYLE_SCOPE_ATTRIBUTE, attr);
- }
- // TODO(sorvell): probably too brittle; try to figure out
- // where to put the element.
- var refNode = scope.firstElementChild;
- if (scope === document.head) {
- var selector = 'style[' + STYLE_SCOPE_ATTRIBUTE + ']';
- var s$ = document.head.querySelectorAll(selector);
- if (s$.length) {
- refNode = s$[s$.length-1].nextElementSibling;
- }
- }
- scope.insertBefore(clone, refNode);
- }
- }
-
- function createStyleElement(cssText, scope) {
- scope = scope || document;
- scope = scope.createElement ? scope : scope.ownerDocument;
- var style = scope.createElement('style');
- style.textContent = cssText;
- return style;
- }
-
- function cssTextFromSheet(sheet) {
- return (sheet && sheet.__resource) || '';
- }
-
- function matchesSelector(node, inSelector) {
- if (matches) {
- return matches.call(node, inSelector);
- }
- }
- var p = HTMLElement.prototype;
- var matches = p.matches || p.matchesSelector || p.webkitMatchesSelector
- || p.mozMatchesSelector;
-
- // exports
-
- scope.api.declaration.styles = styles;
- scope.applyStyleToScope = applyStyleToScope;
-
-})(Polymer);
-
-/*
- * Copyright (c) 2014 The Polymer Project Authors. All rights reserved.
- * This code may only be used under the BSD style license found at http://polymer.github.io/LICENSE.txt
- * The complete set of authors may be found at http://polymer.github.io/AUTHORS.txt
- * The complete set of contributors may be found at http://polymer.github.io/CONTRIBUTORS.txt
- * Code distributed by Google as part of the polymer project is also
- * subject to an additional IP rights grant found at http://polymer.github.io/PATENTS.txt
- */
-
-(function(scope) {
-
- // imports
-
- var log = window.logFlags || {};
- var api = scope.api.instance.events;
- var EVENT_PREFIX = api.EVENT_PREFIX;
- // polymer-element declarative api: events feature
-
- var mixedCaseEventTypes = {};
- [
- 'webkitAnimationStart',
- 'webkitAnimationEnd',
- 'webkitTransitionEnd',
- 'DOMFocusOut',
- 'DOMFocusIn',
- 'DOMMouseScroll'
- ].forEach(function(e) {
- mixedCaseEventTypes[e.toLowerCase()] = e;
- });
-
- var events = {
- parseHostEvents: function() {
- // our delegates map
- var delegates = this.prototype.eventDelegates;
- // extract data from attributes into delegates
- this.addAttributeDelegates(delegates);
- },
- addAttributeDelegates: function(delegates) {
- // for each attribute
- for (var i=0, a; a=this.attributes[i]; i++) {
- // does it have magic marker identifying it as an event delegate?
- if (this.hasEventPrefix(a.name)) {
- // if so, add the info to delegates
- delegates[this.removeEventPrefix(a.name)] = a.value.replace('{{', '')
- .replace('}}', '').trim();
- }
- }
- },
- // starts with 'on-'
- hasEventPrefix: function (n) {
- return n && (n[0] === 'o') && (n[1] === 'n') && (n[2] === '-');
- },
- removeEventPrefix: function(n) {
- return n.slice(prefixLength);
- },
- findController: function(node) {
- while (node.parentNode) {
- if (node.eventController) {
- return node.eventController;
- }
- node = node.parentNode;
- }
- return node.host;
- },
- getEventHandler: function(controller, target, method) {
- var events = this;
- return function(e) {
- if (!controller || !controller.PolymerBase) {
- controller = events.findController(target);
- }
-
- var args = [e, e.detail, e.currentTarget];
- controller.dispatchMethod(controller, method, args);
- };
- },
- prepareEventBinding: function(pathString, name, node) {
- if (!this.hasEventPrefix(name))
- return;
-
- var eventType = this.removeEventPrefix(name);
- eventType = mixedCaseEventTypes[eventType] || eventType;
-
- var events = this;
-
- return function(model, node, oneTime) {
- var handler = events.getEventHandler(undefined, node, pathString);
- node.addEventListener(eventType, handler);
-
- if (oneTime)
- return;
-
- // TODO(rafaelw): This is really pointless work. Aside from the cost
- // of these allocations, NodeBind is going to setAttribute back to its
- // current value. Fixing this would mean changing the TemplateBinding
- // binding delegate API.
- function bindingValue() {
- return '{{ ' + pathString + ' }}';
- }
-
- return {
- open: bindingValue,
- discardChanges: bindingValue,
- close: function() {
- node.removeEventListener(eventType, handler);
- }
- };
- };
- }
- };
-
- var prefixLength = EVENT_PREFIX.length;
-
- // exports
- scope.api.declaration.events = events;
-
-})(Polymer);
-
-/*
- * Copyright (c) 2014 The Polymer Project Authors. All rights reserved.
- * This code may only be used under the BSD style license found at http://polymer.github.io/LICENSE.txt
- * The complete set of authors may be found at http://polymer.github.io/AUTHORS.txt
- * The complete set of contributors may be found at http://polymer.github.io/CONTRIBUTORS.txt
- * Code distributed by Google as part of the polymer project is also
- * subject to an additional IP rights grant found at http://polymer.github.io/PATENTS.txt
- */
-
-(function(scope) {
-
- // element api
-
- var properties = {
- inferObservers: function(prototype) {
- // called before prototype.observe is chained to inherited object
- var observe = prototype.observe, property;
- for (var n in prototype) {
- if (n.slice(-7) === 'Changed') {
- if (!observe) {
- observe = (prototype.observe = {});
- }
- property = n.slice(0, -7)
- observe[property] = observe[property] || n;
- }
- }
- },
- explodeObservers: function(prototype) {
- // called before prototype.observe is chained to inherited object
- var o = prototype.observe;
- if (o) {
- var exploded = {};
- for (var n in o) {
- var names = n.split(' ');
- for (var i=0, ni; ni=names[i]; i++) {
- exploded[ni] = o[n];
- }
- }
- prototype.observe = exploded;
- }
- },
- optimizePropertyMaps: function(prototype) {
- if (prototype.observe) {
- // construct name list
- var a = prototype._observeNames = [];
- for (var n in prototype.observe) {
- var names = n.split(' ');
- for (var i=0, ni; ni=names[i]; i++) {
- a.push(ni);
- }
- }
- }
- if (prototype.publish) {
- // construct name list
- var a = prototype._publishNames = [];
- for (var n in prototype.publish) {
- a.push(n);
- }
- }
- if (prototype.computed) {
- // construct name list
- var a = prototype._computedNames = [];
- for (var n in prototype.computed) {
- a.push(n);
- }
- }
- },
- publishProperties: function(prototype, base) {
- // if we have any properties to publish
- var publish = prototype.publish;
- if (publish) {
- // transcribe `publish` entries onto own prototype
- this.requireProperties(publish, prototype, base);
- // construct map of lower-cased property names
- prototype._publishLC = this.lowerCaseMap(publish);
- }
- },
- // sync prototype to property descriptors;
- // desriptor format contains default value and optionally a
- // hint for reflecting the property to an attribute.
- // e.g. {foo: 5, bar: {value: true, reflect: true}}
- // reflect: {foo: true} is also supported
- //
- requireProperties: function(propertyDescriptors, prototype, base) {
- // reflected properties
- prototype.reflect = prototype.reflect || {};
- // ensure a prototype value for each property
- // and update the property's reflect to attribute status
- for (var n in propertyDescriptors) {
- var propertyDescriptor = propertyDescriptors[n];
- var reflects = this.reflectHintForDescriptor(propertyDescriptor);
- if (prototype.reflect[n] === undefined && reflects !== undefined) {
- prototype.reflect[n] = reflects;
- }
- if (prototype[n] === undefined) {
- prototype[n] = this.valueForDescriptor(propertyDescriptor);
- }
- }
- },
- valueForDescriptor: function(propertyDescriptor) {
- var value = typeof propertyDescriptor === 'object' &&
- propertyDescriptor ? propertyDescriptor.value : propertyDescriptor;
- return value !== undefined ? value : null;
- },
- // returns the value of the descriptor's 'reflect' property or undefined
- reflectHintForDescriptor: function(propertyDescriptor) {
- if (typeof propertyDescriptor === 'object' &&
- propertyDescriptor && propertyDescriptor.reflect !== undefined) {
- return propertyDescriptor.reflect;
- }
- },
- lowerCaseMap: function(properties) {
- var map = {};
- for (var n in properties) {
- map[n.toLowerCase()] = n;
- }
- return map;
- },
- createPropertyAccessor: function(name) {
- var proto = this.prototype;
-
- var privateName = name + '_';
- var privateObservable = name + 'Observable_';
- proto[privateName] = proto[name];
-
- Object.defineProperty(proto, name, {
- get: function() {
- var observable = this[privateObservable];
- if (observable)
- observable.deliver();
-
- return this[privateName];
- },
- set: function(value) {
- var observable = this[privateObservable];
- if (observable) {
- observable.setValue(value);
- return;
- }
-
- var oldValue = this[privateName];
- this[privateName] = value;
- this.emitPropertyChangeRecord(name, value, oldValue);
-
- return value;
- },
- configurable: true
- });
- },
- createPropertyAccessors: function(prototype) {
- var n$ = prototype._publishNames;
- if (n$ && n$.length) {
- for (var i=0, l=n$.length, n, fn; (i<l) && (n=n$[i]); i++) {
- this.createPropertyAccessor(n);
- }
- }
-
- var n$ = prototype._computedNames;
- if (n$ && n$.length) {
- for (var i=0, l=n$.length, n, fn; (i<l) && (n=n$[i]); i++) {
- this.createPropertyAccessor(n);
- }
- }
-
- }
- };
-
- // exports
-
- scope.api.declaration.properties = properties;
-
-})(Polymer);
-
-/*
- * Copyright (c) 2014 The Polymer Project Authors. All rights reserved.
- * This code may only be used under the BSD style license found at http://polymer.github.io/LICENSE.txt
- * The complete set of authors may be found at http://polymer.github.io/AUTHORS.txt
- * The complete set of contributors may be found at http://polymer.github.io/CONTRIBUTORS.txt
- * Code distributed by Google as part of the polymer project is also
- * subject to an additional IP rights grant found at http://polymer.github.io/PATENTS.txt
- */
-(function(scope) {
-
- // magic words
-
- var ATTRIBUTES_ATTRIBUTE = 'attributes';
- var ATTRIBUTES_REGEX = /\s|,/;
-
- // attributes api
-
- var attributes = {
-
- inheritAttributesObjects: function(prototype) {
- // chain our lower-cased publish map to the inherited version
- this.inheritObject(prototype, 'publishLC');
- // chain our instance attributes map to the inherited version
- this.inheritObject(prototype, '_instanceAttributes');
- },
-
- publishAttributes: function(prototype, base) {
- // merge names from 'attributes' attribute
- var attributes = this.getAttribute(ATTRIBUTES_ATTRIBUTE);
- if (attributes) {
- // get properties to publish
- var publish = prototype.publish || (prototype.publish = {});
- // names='a b c' or names='a,b,c'
- var names = attributes.split(ATTRIBUTES_REGEX);
- // record each name for publishing
- for (var i=0, l=names.length, n; i<l; i++) {
- // remove excess ws
- n = names[i].trim();
- // if the user hasn't specified a value, we want to use the
- // default, unless a superclass has already chosen one
- if (n && publish[n] === undefined) {
- // TODO(sjmiles): querying native properties on IE11 (and possibly
- // on other browsers) throws an exception because there is no actual
- // instance.
- // In fact, trying to publish native properties is known bad for this
- // and other reasons, and we need to solve this problem writ large.
- try {
- var hasValue = (base[n] !== undefined);
- } catch(x) {
- hasValue = false;
- }
- // supply an empty 'descriptor' object and let the publishProperties
- // code determine a default
- if (!hasValue) {
- publish[n] = Polymer.nob;
- }
- }
- }
- }
- },
-
- // record clonable attributes from <element>
- accumulateInstanceAttributes: function() {
- // inherit instance attributes
- var clonable = this.prototype._instanceAttributes;
- // merge attributes from element
- var a$ = this.attributes;
- for (var i=0, l=a$.length, a; (i<l) && (a=a$[i]); i++) {
- if (this.isInstanceAttribute(a.name)) {
- clonable[a.name] = a.value;
- }
- }
- },
-
- isInstanceAttribute: function(name) {
- return !this.blackList[name] && name.slice(0,3) !== 'on-';
- },
-
- // do not clone these attributes onto instances
- blackList: {
- name: 1,
- 'extends': 1,
- constructor: 1,
- noscript: 1,
- assetpath: 1,
- 'cache-csstext': 1
- }
-
- };
-
- // add ATTRIBUTES_ATTRIBUTE to the blacklist
- attributes.blackList[ATTRIBUTES_ATTRIBUTE] = 1;
-
- // exports
-
- scope.api.declaration.attributes = attributes;
-
-})(Polymer);
-
-/*
- * Copyright (c) 2014 The Polymer Project Authors. All rights reserved.
- * This code may only be used under the BSD style license found at http://polymer.github.io/LICENSE.txt
- * The complete set of authors may be found at http://polymer.github.io/AUTHORS.txt
- * The complete set of contributors may be found at http://polymer.github.io/CONTRIBUTORS.txt
- * Code distributed by Google as part of the polymer project is also
- * subject to an additional IP rights grant found at http://polymer.github.io/PATENTS.txt
- */
-
-(function(scope) {
-
- // imports
- var events = scope.api.declaration.events;
-
- var syntax = new PolymerExpressions();
- var prepareBinding = syntax.prepareBinding;
-
- // Polymer takes a first crack at the binding to see if it's a declarative
- // event handler.
- syntax.prepareBinding = function(pathString, name, node) {
- return events.prepareEventBinding(pathString, name, node) ||
- prepareBinding.call(syntax, pathString, name, node);
- };
-
- // declaration api supporting mdv
- var mdv = {
- syntax: syntax,
- fetchTemplate: function() {
- return this.querySelector('template');
- },
- templateContent: function() {
- var template = this.fetchTemplate();
- return template && Platform.templateContent(template);
- },
- installBindingDelegate: function(template) {
- if (template) {
- template.bindingDelegate = this.syntax;
- }
- }
- };
-
- // exports
- scope.api.declaration.mdv = mdv;
-
-})(Polymer);
-
-/*
- * Copyright (c) 2014 The Polymer Project Authors. All rights reserved.
- * This code may only be used under the BSD style license found at http://polymer.github.io/LICENSE.txt
- * The complete set of authors may be found at http://polymer.github.io/AUTHORS.txt
- * The complete set of contributors may be found at http://polymer.github.io/CONTRIBUTORS.txt
- * Code distributed by Google as part of the polymer project is also
- * subject to an additional IP rights grant found at http://polymer.github.io/PATENTS.txt
- */
-
-(function(scope) {
-
- // imports
-
- var api = scope.api;
- var isBase = scope.isBase;
- var extend = scope.extend;
-
- // prototype api
-
- var prototype = {
-
- register: function(name, extendeeName) {
- // build prototype combining extendee, Polymer base, and named api
- this.buildPrototype(name, extendeeName);
- // register our custom element with the platform
- this.registerPrototype(name, extendeeName);
- // reference constructor in a global named by 'constructor' attribute
- this.publishConstructor();
- },
-
- buildPrototype: function(name, extendeeName) {
- // get our custom prototype (before chaining)
- var extension = scope.getRegisteredPrototype(name);
- // get basal prototype
- var base = this.generateBasePrototype(extendeeName);
- // implement declarative features
- this.desugarBeforeChaining(extension, base);
- // join prototypes
- this.prototype = this.chainPrototypes(extension, base);
- // more declarative features
- this.desugarAfterChaining(name, extendeeName);
- },
-
- desugarBeforeChaining: function(prototype, base) {
- // back reference declaration element
- // TODO(sjmiles): replace `element` with `elementElement` or `declaration`
- prototype.element = this;
- // transcribe `attributes` declarations onto own prototype's `publish`
- this.publishAttributes(prototype, base);
- // `publish` properties to the prototype and to attribute watch
- this.publishProperties(prototype, base);
- // infer observers for `observe` list based on method names
- this.inferObservers(prototype);
- // desugar compound observer syntax, e.g. 'a b c'
- this.explodeObservers(prototype);
- },
-
- chainPrototypes: function(prototype, base) {
- // chain various meta-data objects to inherited versions
- this.inheritMetaData(prototype, base);
- // chain custom api to inherited
- var chained = this.chainObject(prototype, base);
- // x-platform fixup
- ensurePrototypeTraversal(chained);
- return chained;
- },
-
- inheritMetaData: function(prototype, base) {
- // chain observe object to inherited
- this.inheritObject('observe', prototype, base);
- // chain publish object to inherited
- this.inheritObject('publish', prototype, base);
- // chain reflect object to inherited
- this.inheritObject('reflect', prototype, base);
- // chain our lower-cased publish map to the inherited version
- this.inheritObject('_publishLC', prototype, base);
- // chain our instance attributes map to the inherited version
- this.inheritObject('_instanceAttributes', prototype, base);
- // chain our event delegates map to the inherited version
- this.inheritObject('eventDelegates', prototype, base);
- },
-
- // implement various declarative features
- desugarAfterChaining: function(name, extendee) {
- // build side-chained lists to optimize iterations
- this.optimizePropertyMaps(this.prototype);
- this.createPropertyAccessors(this.prototype);
- // install mdv delegate on template
- this.installBindingDelegate(this.fetchTemplate());
- // install external stylesheets as if they are inline
- this.installSheets();
- // adjust any paths in dom from imports
- this.resolveElementPaths(this);
- // compile list of attributes to copy to instances
- this.accumulateInstanceAttributes();
- // parse on-* delegates declared on `this` element
- this.parseHostEvents();
- //
- // install a helper method this.resolvePath to aid in
- // setting resource urls. e.g.
- // this.$.image.src = this.resolvePath('images/foo.png')
- this.addResolvePathApi();
- // under ShadowDOMPolyfill, transforms to approximate missing CSS features
- if (window.ShadowDOMPolyfill) {
- Platform.ShadowCSS.shimStyling(this.templateContent(), name, extendee);
- }
- // allow custom element access to the declarative context
- if (this.prototype.registerCallback) {
- this.prototype.registerCallback(this);
- }
- },
-
- // if a named constructor is requested in element, map a reference
- // to the constructor to the given symbol
- publishConstructor: function() {
- var symbol = this.getAttribute('constructor');
- if (symbol) {
- window[symbol] = this.ctor;
- }
- },
-
- // build prototype combining extendee, Polymer base, and named api
- generateBasePrototype: function(extnds) {
- var prototype = this.findBasePrototype(extnds);
- if (!prototype) {
- // create a prototype based on tag-name extension
- var prototype = HTMLElement.getPrototypeForTag(extnds);
- // insert base api in inheritance chain (if needed)
- prototype = this.ensureBaseApi(prototype);
- // memoize this base
- memoizedBases[extnds] = prototype;
- }
- return prototype;
- },
-
- findBasePrototype: function(name) {
- return memoizedBases[name];
- },
-
- // install Polymer instance api into prototype chain, as needed
- ensureBaseApi: function(prototype) {
- if (prototype.PolymerBase) {
- return prototype;
- }
- var extended = Object.create(prototype);
- // we need a unique copy of base api for each base prototype
- // therefore we 'extend' here instead of simply chaining
- api.publish(api.instance, extended);
- // TODO(sjmiles): sharing methods across prototype chains is
- // not supported by 'super' implementation which optimizes
- // by memoizing prototype relationships.
- // Probably we should have a version of 'extend' that is
- // share-aware: it could study the text of each function,
- // look for usage of 'super', and wrap those functions in
- // closures.
- // As of now, there is only one problematic method, so
- // we just patch it manually.
- // To avoid re-entrancy problems, the special super method
- // installed is called `mixinSuper` and the mixin method
- // must use this method instead of the default `super`.
- this.mixinMethod(extended, prototype, api.instance.mdv, 'bind');
- // return buffed-up prototype
- return extended;
- },
-
- mixinMethod: function(extended, prototype, api, name) {
- var $super = function(args) {
- return prototype[name].apply(this, args);
- };
- extended[name] = function() {
- this.mixinSuper = $super;
- return api[name].apply(this, arguments);
- }
- },
-
- // ensure prototype[name] inherits from a prototype.prototype[name]
- inheritObject: function(name, prototype, base) {
- // require an object
- var source = prototype[name] || {};
- // chain inherited properties onto a new object
- prototype[name] = this.chainObject(source, base[name]);
- },
-
- // register 'prototype' to custom element 'name', store constructor
- registerPrototype: function(name, extendee) {
- var info = {
- prototype: this.prototype
- }
- // native element must be specified in extends
- var typeExtension = this.findTypeExtension(extendee);
- if (typeExtension) {
- info.extends = typeExtension;
- }
- // register the prototype with HTMLElement for name lookup
- HTMLElement.register(name, this.prototype);
- // register the custom type
- this.ctor = document.registerElement(name, info);
- },
-
- findTypeExtension: function(name) {
- if (name && name.indexOf('-') < 0) {
- return name;
- } else {
- var p = this.findBasePrototype(name);
- if (p.element) {
- return this.findTypeExtension(p.element.extends);
- }
- }
- }
-
- };
-
- // memoize base prototypes
- var memoizedBases = {};
-
- // implementation of 'chainObject' depends on support for __proto__
- if (Object.__proto__) {
- prototype.chainObject = function(object, inherited) {
- if (object && inherited && object !== inherited) {
- object.__proto__ = inherited;
- }
- return object;
- }
- } else {
- prototype.chainObject = function(object, inherited) {
- if (object && inherited && object !== inherited) {
- var chained = Object.create(inherited);
- object = extend(chained, object);
- }
- return object;
- }
- }
-
- // On platforms that do not support __proto__ (versions of IE), the prototype
- // chain of a custom element is simulated via installation of __proto__.
- // Although custom elements manages this, we install it here so it's
- // available during desugaring.
- function ensurePrototypeTraversal(prototype) {
- if (!Object.__proto__) {
- var ancestor = Object.getPrototypeOf(prototype);
- prototype.__proto__ = ancestor;
- if (isBase(ancestor)) {
- ancestor.__proto__ = Object.getPrototypeOf(ancestor);
- }
- }
- }
-
- // exports
-
- api.declaration.prototype = prototype;
-
-})(Polymer);
-
-/*
- * Copyright (c) 2014 The Polymer Project Authors. All rights reserved.
- * This code may only be used under the BSD style license found at http://polymer.github.io/LICENSE.txt
- * The complete set of authors may be found at http://polymer.github.io/AUTHORS.txt
- * The complete set of contributors may be found at http://polymer.github.io/CONTRIBUTORS.txt
- * Code distributed by Google as part of the polymer project is also
- * subject to an additional IP rights grant found at http://polymer.github.io/PATENTS.txt
- */
-
-(function(scope) {
-
- /*
-
- Elements are added to a registration queue so that they register in
- the proper order at the appropriate time. We do this for a few reasons:
-
- * to enable elements to load resources (like stylesheets)
- asynchronously. We need to do this until the platform provides an efficient
- alternative. One issue is that remote @import stylesheets are
- re-fetched whenever stamped into a shadowRoot.
-
- * to ensure elements loaded 'at the same time' (e.g. via some set of
- imports) are registered as a batch. This allows elements to be enured from
- upgrade ordering as long as they query the dom tree 1 task after
- upgrade (aka domReady). This is a performance tradeoff. On the one hand,
- elements that could register while imports are loading are prevented from
- doing so. On the other, grouping upgrades into a single task means less
- incremental work (for example style recalcs), Also, we can ensure the
- document is in a known state at the single quantum of time when
- elements upgrade.
-
- */
- var queue = {
-
- // tell the queue to wait for an element to be ready
- wait: function(element) {
- if (!element.__queue) {
- element.__queue = {};
- elements.push(element);
- }
- },
-
- // enqueue an element to the next spot in the queue.
- enqueue: function(element, check, go) {
- var shouldAdd = element.__queue && !element.__queue.check;
- if (shouldAdd) {
- queueForElement(element).push(element);
- element.__queue.check = check;
- element.__queue.go = go;
- }
- return (this.indexOf(element) !== 0);
- },
-
- indexOf: function(element) {
- var i = queueForElement(element).indexOf(element);
- if (i >= 0 && document.contains(element)) {
- i += (HTMLImports.useNative || HTMLImports.ready) ?
- importQueue.length : 1e9;
- }
- return i;
- },
-
- // tell the queue an element is ready to be registered
- go: function(element) {
- var readied = this.remove(element);
- if (readied) {
- element.__queue.flushable = true;
- this.addToFlushQueue(readied);
- this.check();
- }
- },
-
- remove: function(element) {
- var i = this.indexOf(element);
- if (i !== 0) {
- //console.warn('queue order wrong', i);
- return;
- }
- return queueForElement(element).shift();
- },
-
- check: function() {
- // next
- var element = this.nextElement();
- if (element) {
- element.__queue.check.call(element);
- }
- if (this.canReady()) {
- this.ready();
- return true;
- }
- },
-
- nextElement: function() {
- return nextQueued();
- },
-
- canReady: function() {
- return !this.waitToReady && this.isEmpty();
- },
-
- isEmpty: function() {
- for (var i=0, l=elements.length, e; (i<l) &&
- (e=elements[i]); i++) {
- if (e.__queue && !e.__queue.flushable) {
- return;
- }
- }
- return true;
- },
-
- addToFlushQueue: function(element) {
- flushQueue.push(element);
- },
-
- flush: function() {
- // prevent re-entrance
- if (this.flushing) {
- return;
- }
- if (flushQueue.length) {
- console.warn('flushing %s elements', flushQueue.length);
- }
- this.flushing = true;
- var element;
- while (flushQueue.length) {
- element = flushQueue.shift();
- element.__queue.go.call(element);
- element.__queue = null;
- }
- this.flushing = false;
- },
-
- ready: function() {
- this.flush();
- // TODO(sorvell): As an optimization, turn off CE polyfill upgrading
- // while registering. This way we avoid having to upgrade each document
- // piecemeal per registration and can instead register all elements
- // and upgrade once in a batch. Without this optimization, upgrade time
- // degrades significantly when SD polyfill is used. This is mainly because
- // querying the document tree for elements is slow under the SD polyfill.
- if (CustomElements.ready === false) {
- CustomElements.upgradeDocumentTree(document);
- CustomElements.ready = true;
- }
- Platform.flush();
- requestAnimationFrame(this.flushReadyCallbacks);
- },
-
- addReadyCallback: function(callback) {
- if (callback) {
- readyCallbacks.push(callback);
- }
- },
-
- flushReadyCallbacks: function() {
- if (readyCallbacks) {
- var fn;
- while (readyCallbacks.length) {
- fn = readyCallbacks.shift();
- fn();
- }
- }
- },
-
- waitToReady: true
-
- };
-
- var elements = [];
- var flushQueue = [];
- var importQueue = [];
- var mainQueue = [];
- var readyCallbacks = [];
-
- function queueForElement(element) {
- return document.contains(element) ? mainQueue : importQueue;
- }
-
- function nextQueued() {
- return importQueue.length ? importQueue[0] : mainQueue[0];
- }
-
- var polymerReadied = false;
-
- document.addEventListener('WebComponentsReady', function() {
- CustomElements.ready = false;
- });
-
- function whenPolymerReady(callback) {
- queue.waitToReady = true;
- CustomElements.ready = false;
- HTMLImports.whenImportsReady(function() {
- queue.addReadyCallback(callback);
- queue.waitToReady = false;
- queue.check();
- });
- }
-
- // exports
- scope.elements = elements;
- scope.queue = queue;
- scope.whenReady = scope.whenPolymerReady = whenPolymerReady;
-})(Polymer);
-
-/*
- * Copyright (c) 2014 The Polymer Project Authors. All rights reserved.
- * This code may only be used under the BSD style license found at http://polymer.github.io/LICENSE.txt
- * The complete set of authors may be found at http://polymer.github.io/AUTHORS.txt
- * The complete set of contributors may be found at http://polymer.github.io/CONTRIBUTORS.txt
- * Code distributed by Google as part of the polymer project is also
- * subject to an additional IP rights grant found at http://polymer.github.io/PATENTS.txt
- */
-
-(function(scope) {
-
- var whenPolymerReady = scope.whenPolymerReady;
-
- function importElements(elementOrFragment, callback) {
- if (elementOrFragment) {
- document.head.appendChild(elementOrFragment);
- whenPolymerReady(callback);
- } else if (callback) {
- callback();
- }
- }
-
- function importUrls(urls, callback) {
- if (urls && urls.length) {
- var frag = document.createDocumentFragment();
- for (var i=0, l=urls.length, url, link; (i<l) && (url=urls[i]); i++) {
- link = document.createElement('link');
- link.rel = 'import';
- link.href = url;
- frag.appendChild(link);
- }
- importElements(frag, callback);
- } else if (callback) {
- callback();
- }
- }
-
- // exports
- scope.import = importUrls;
- scope.importElements = importElements;
-
-})(Polymer);
-
-/*
- * Copyright (c) 2014 The Polymer Project Authors. All rights reserved.
- * This code may only be used under the BSD style license found at http://polymer.github.io/LICENSE.txt
- * The complete set of authors may be found at http://polymer.github.io/AUTHORS.txt
- * The complete set of contributors may be found at http://polymer.github.io/CONTRIBUTORS.txt
- * Code distributed by Google as part of the polymer project is also
- * subject to an additional IP rights grant found at http://polymer.github.io/PATENTS.txt
- */
-
-(function(scope) {
-
- // imports
-
- var extend = scope.extend;
- var api = scope.api;
- var queue = scope.queue;
- var whenPolymerReady = scope.whenPolymerReady;
- var getRegisteredPrototype = scope.getRegisteredPrototype;
- var waitingForPrototype = scope.waitingForPrototype;
-
- // declarative implementation: <polymer-element>
-
- var prototype = extend(Object.create(HTMLElement.prototype), {
-
- createdCallback: function() {
- if (this.getAttribute('name')) {
- this.init();
- }
- },
-
- init: function() {
- // fetch declared values
- this.name = this.getAttribute('name');
- this.extends = this.getAttribute('extends');
- queue.wait(this);
- // initiate any async resource fetches
- this.loadResources();
- // register when all constraints are met
- this.registerWhenReady();
- },
-
- // TODO(sorvell): we currently queue in the order the prototypes are
- // registered, but we should queue in the order that polymer-elements
- // are registered. We are currently blocked from doing this based on
- // crbug.com/395686.
- registerWhenReady: function() {
- if (this.registered
- || this.waitingForPrototype(this.name)
- || this.waitingForQueue()
- || this.waitingForResources()) {
- return;
- }
- queue.go(this);
- },
-
- _register: function() {
- //console.log('registering', this.name);
- // warn if extending from a custom element not registered via Polymer
- if (isCustomTag(this.extends) && !isRegistered(this.extends)) {
- console.warn('%s is attempting to extend %s, an unregistered element ' +
- 'or one that was not registered with Polymer.', this.name,
- this.extends);
- }
- this.register(this.name, this.extends);
- this.registered = true;
- },
-
- waitingForPrototype: function(name) {
- if (!getRegisteredPrototype(name)) {
- // then wait for a prototype
- waitingForPrototype(name, this);
- // emulate script if user is not supplying one
- this.handleNoScript(name);
- // prototype not ready yet
- return true;
- }
- },
-
- handleNoScript: function(name) {
- // if explicitly marked as 'noscript'
- if (this.hasAttribute('noscript') && !this.noscript) {
- this.noscript = true;
- // imperative element registration
- Polymer(name);
- }
- },
-
- waitingForResources: function() {
- return this._needsResources;
- },
-
- // NOTE: Elements must be queued in proper order for inheritance/composition
- // dependency resolution. Previously this was enforced for inheritance,
- // and by rule for composition. It's now entirely by rule.
- waitingForQueue: function() {
- return queue.enqueue(this, this.registerWhenReady, this._register);
- },
-
- loadResources: function() {
- this._needsResources = true;
- this.loadStyles(function() {
- this._needsResources = false;
- this.registerWhenReady();
- }.bind(this));
- }
-
- });
-
- // semi-pluggable APIs
-
- // TODO(sjmiles): should be fully pluggable (aka decoupled, currently
- // the various plugins are allowed to depend on each other directly)
- api.publish(api.declaration, prototype);
-
- // utility and bookkeeping
-
- function isRegistered(name) {
- return Boolean(HTMLElement.getPrototypeForTag(name));
- }
-
- function isCustomTag(name) {
- return (name && name.indexOf('-') >= 0);
- }
-
- // boot tasks
-
- whenPolymerReady(function() {
- document.body.removeAttribute('unresolved');
- document.dispatchEvent(
- new CustomEvent('polymer-ready', {bubbles: true})
- );
- });
-
- // register polymer-element with document
-
- document.registerElement('polymer-element', {prototype: prototype});
-
-})(Polymer);
-
-/*
- * Copyright (c) 2014 The Polymer Project Authors. All rights reserved.
- * This code may only be used under the BSD style license found at http://polymer.github.io/LICENSE.txt
- * The complete set of authors may be found at http://polymer.github.io/AUTHORS.txt
- * The complete set of contributors may be found at http://polymer.github.io/CONTRIBUTORS.txt
- * Code distributed by Google as part of the polymer project is also
- * subject to an additional IP rights grant found at http://polymer.github.io/PATENTS.txt
- */
-
-/**
- * The `auto-binding` element extends the template element. It provides a quick
- * and easy way to do data binding without the need to setup a model.
- * The `auto-binding` element itself serves as the model and controller for the
- * elements it contains. Both data and event handlers can be bound.
- *
- * The `auto-binding` element acts just like a template that is bound to
- * a model. It stamps its content in the dom adjacent to itself. When the
- * content is stamped, the `template-bound` event is fired.
- *
- * Example:
- *
- * <template is="auto-binding">
- * <div>Say something: <input value="{{value}}"></div>
- * <div>You said: {{value}}</div>
- * <button on-tap="{{buttonTap}}">Tap me!</button>
- * </template>
- * <script>
- * var template = document.querySelector('template');
- * template.value = 'something';
- * template.buttonTap = function() {
- * console.log('tap!');
- * };
- * </script>
- *
- * @module Polymer
- * @status stable
-*/
-
-(function() {
-
- var element = document.createElement('polymer-element');
- element.setAttribute('name', 'auto-binding');
- element.setAttribute('extends', 'template');
- element.init();
-
- Polymer('auto-binding', {
-
- createdCallback: function() {
- this.syntax = this.bindingDelegate = this.makeSyntax();
- // delay stamping until polymer-ready so that auto-binding is not
- // required to load last.
- Polymer.whenPolymerReady(function() {
- this.model = this;
- this.setAttribute('bind', '');
- // we don't bother with an explicit signal here, we could ust a MO
- // if necessary
- this.async(function() {
- // note: this will marshall *all* the elements in the parentNode
- // rather than just stamped ones. We'd need to use createInstance
- // to fix this or something else fancier.
- this.marshalNodeReferences(this.parentNode);
- // template stamping is asynchronous so stamping isn't complete
- // by polymer-ready; fire an event so users can use stamped elements
- this.fire('template-bound');
- });
- }.bind(this));
- },
-
- makeSyntax: function() {
- var events = Object.create(Polymer.api.declaration.events);
- var self = this;
- events.findController = function() { return self.model; };
-
- var syntax = new PolymerExpressions();
- var prepareBinding = syntax.prepareBinding;
- syntax.prepareBinding = function(pathString, name, node) {
- return events.prepareEventBinding(pathString, name, node) ||
- prepareBinding.call(syntax, pathString, name, node);
- };
- return syntax;
- }
-
- });
-
-})();
-
-//# sourceMappingURL=polymer.concat.js.map

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