Remove old cc-frame-viewer now that it is upstreamed into trace_viewer

tools/cc-frame-viewer/src/ui/list_view.js

-// Copyright (c) 2012 The Chromium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-'use strict';
-
-/**
- * @fileoverview Simple list view.
- */
-base.require('ui');
-base.requireStylesheet('ui.list_view');
-base.exportTo('ui', function() {
-
-  /**
-   * @constructor
-   */
-  var ListView = ui.define('x-list-view');
-
-  ListView.prototype = {
-    __proto__: HTMLUnknownElement.prototype,
-
-    decorate: function() {
-      this.onItemClicked_ = this.onItemClicked_.bind(this);
-      this.onKeyDown_ = this.onKeyDown_.bind(this);
-      this.observer_ = new WebKitMutationObserver(this.didMutate_.bind(this));
-      this.observer_.observe(this, { childList: true });
-      this.tabIndex = 0;
-      this.addEventListener('keydown', this.onKeyDown_);
-    },
-
-    appendChild: function(x) {
-      HTMLUnknownElement.prototype.appendChild.call(this, x);
-      this.didMutate_(this.observer_.takeRecords());
-    },
-
-    insertBefore: function(x, y) {
-      HTMLUnknownElement.prototype.insertBefore.call(this, x, y);
-      this.didMutate_(this.observer_.takeRecords());
-    },
-
-    removeChild: function(x) {
-      HTMLUnknownElement.prototype.removeChild.call(this, x);
-      this.didMutate_(this.observer_.takeRecords());
-    },
-
-    replaceChild: function(x, y) {
-      HTMLUnknownElement.prototype.replaceChild.call(this, x, y);
-      this.didMutate_(this.observer_.takeRecords());
-    },
-
-    didMutate_: function(records) {
-      var selectionChanged = false;
-      for (var i = 0; i < records.length; i++) {
-        var addedNodes = records[i].addedNodes;
-        if (addedNodes) {
-          for (var j = 0; j < addedNodes.length; j++)
-            this.decorateItem_(addedNodes[j]);
-        }
-        var removedNodes = records[i].removedNodes;
-        if (removedNodes) {
-          for (var j = 0; j < removedNodes.length; j++) {
-            selectionChanged |= removedNodes[j].selected;
-            this.undecorateItem_(removedNodes[j]);
-          }
-        }
-      }
-      if (selectionChanged)
-        base.dispatchSimpleEvent(this, 'selection-changed', false);
-    },
-
-    decorateItem_: function(item) {
-      item.classList.add('list-item');
-      item.addEventListener('click', this.onItemClicked_);
-
-      var listView = this;
-      Object.defineProperty(
-        item,
-        "selected", {
-          configurable: true,
-          set: function(value) {
-            var oldSelection = listView.selectedElement;
-            if (oldSelection && oldSelection != this && value)
-              listView.selectedElement.removeAttribute('selected');
-            if (value)
-              this.setAttribute('selected', 'selected');
-            else
-              this.removeAttribute('selected');
-            var newSelection = listView.selectedElement;
-            if (newSelection != oldSelection)
-              base.dispatchSimpleEvent(listView, 'selection-changed', false);
-          },
-          get: function() {
-            return this.hasAttribute('selected');
-          }
-        });
-    },
-
-    undecorateItem_: function(item) {
-      item.classList.remove('list-item');
-      item.removeEventListener('click', this.onItemClicked_);
-      delete item.selected;
-    },
-
-    get selectedElement() {
-      var el = this.querySelector('.list-item[selected]');
-      if (!el)
-        return undefined;
-      return el;
-    },
-
-    set selectedElement(el) {
-      if (!el) {
-        if (this.selectedElement)
-          this.selectedElement.selected = false;
-        return;
-      }
-
-      if (el.parentElement != this)
-        throw new Error(
-            'Can only select elements that are children of this list view');
-      el.selected = true;
-    },
-
-    clear: function() {
-      var changed = this.selectedElement !== undefined;
-      this.textContent = '';
-      if (changed)
-        base.dispatchSimpleEvent(this, 'selection-changed', false);
-    },
-
-    onItemClicked_: function(e) {
-      var currentSelectedElement = this.selectedElement;
-      if (currentSelectedElement)
-        currentSelectedElement.removeAttribute('selected');
-      e.target.setAttribute('selected', 'selected');
-      base.dispatchSimpleEvent(this, 'selection-changed', false);
-    },
-
-    onKeyDown_: function(e) {
-      if (e.keyCode == 38) { // Up arrow.
-        var prev = this.selectedElement.previousSibling;
-        if (prev) {
-          prev.selected = true;
-          prev.scrollIntoView(false);
-          e.preventDefault();
-          return true;
-        }
-      } else if(e.keyCode == 40) { // Down arrow.
-        var next = this.selectedElement.nextSibling;
-        if (next) {
-          next.selected = true;
-          next.scrollIntoView(false);
-          e.preventDefault();
-          return true;
-        }
-      }
-    },
-
-    addItem: function(textContent) {
-      var item = document.createElement('div');
-      item.textContent = textContent;
-      this.appendChild(item);
-      return item;
-    },
-
-  };
-
-  return {
-    ListView: ListView
-  };
-
-});