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| 1 // Copyright (c) 2013, the Dart project authors. Please see the AUTHORS file | |
| 2 // for details. All rights reserved. Use of this source code is governed by a | |
| 3 // BSD-style license that can be found in the LICENSE file. | |
| 4 | |
| 5 library polymer.custom_element; | |
| 6 | |
| 7 import 'dart:async'; | |
| 8 import 'dart:html'; | |
| 9 import 'package:mdv/mdv.dart' as mdv; | |
| 10 import 'package:meta/meta.dart'; | |
| 11 import 'src/custom_tag_name.dart'; | |
| 12 | |
| 13 /** Deprecated: use [CustomElement] instead. */ | |
| 14 @deprecated | |
| 15 abstract class WebComponent extends CustomElement {} | |
| 16 | |
| 17 // TODO(jmesserly): replace with a real custom element polyfill. | |
| 18 // This is just something temporary. | |
| 19 /** | |
| 20 * *Warning*: this implementation is a work in progress. It only implements | |
| 21 * the specification partially. | |
| 22 * | |
| 23 * Registers a custom HTML element with [localName] and the associated | |
| 24 * constructor. This will ensure the element is detected and | |
| 25 * | |
| 26 * See the specification at: | |
| 27 * <https://dvcs.w3.org/hg/webcomponents/raw-file/tip/spec/custom/index.html> | |
| 28 */ | |
| 29 void registerCustomElement(String localName, CustomElement create()) { | |
| 30 if (_customElements == null) { | |
| 31 _customElements = {}; | |
| 32 CustomElement.templateCreated.add(_createElements); | |
| 33 // TODO(jmesserly): use MutationObserver to watch for inserts? | |
| 34 } | |
| 35 | |
| 36 if (!isCustomTag(localName)) { | |
| 37 throw new ArgumentError('$localName is not a valid custom element name, ' | |
| 38 'it should have at least one dash and not be a reserved name.'); | |
| 39 } | |
| 40 | |
| 41 if (_customElements.containsKey(localName)) { | |
| 42 throw new ArgumentError('custom element $localName already registered.'); | |
| 43 } | |
| 44 | |
| 45 // TODO(jmesserly): validate this is a valid tag name, not a selector. | |
| 46 _customElements[localName] = create; | |
| 47 | |
| 48 // Initialize elements already on the page. | |
| 49 for (var query in [localName, '[is=$localName]']) { | |
| 50 for (var element in document.queryAll(query)) { | |
| 51 _initCustomElement(element, create); | |
| 52 } | |
| 53 } | |
| 54 } | |
| 55 | |
| 56 /** | |
| 57 * The base class for all Dart web components. In addition to the [Element] | |
| 58 * interface, it also provides lifecycle methods: | |
| 59 * - [created] | |
| 60 * - [inserted] | |
| 61 * - [attributeChanged] | |
| 62 * - [removed] | |
| 63 */ | |
| 64 abstract class CustomElement implements Element { | |
| 65 /** The web component element wrapped by this class. */ | |
| 66 Element _host; | |
| 67 List _shadowRoots; | |
| 68 | |
| 69 /** | |
| 70 * Shadow roots generated by dwc for each custom element, indexed by the | |
| 71 * custom element tag name. | |
| 72 */ | |
| 73 Map<String, dynamic> _generatedRoots = {}; | |
| 74 | |
| 75 /** | |
| 76 * Temporary property until components extend [Element]. An element can | |
| 77 * only be associated with one host, and it is an error to use a web component | |
| 78 * without an associated host element. | |
| 79 */ | |
| 80 Element get host { | |
| 81 if (_host == null) throw new StateError('host element has not been set.'); | |
| 82 return _host; | |
| 83 } | |
| 84 | |
| 85 set host(Element value) { | |
| 86 if (value == null) { | |
| 87 throw new ArgumentError('host must not be null.'); | |
| 88 } | |
| 89 // TODO(jmesserly): xtag used to return "null" if unset, now it checks for | |
| 90 // "this". Temporarily allow both. | |
| 91 var xtag = value.xtag; | |
| 92 if (xtag != null && xtag != value) { | |
| 93 throw new ArgumentError('host must not have its xtag property set.'); | |
| 94 } | |
| 95 if (_host != null) { | |
| 96 throw new StateError('host can only be set once.'); | |
| 97 } | |
| 98 | |
| 99 value.xtag = this; | |
| 100 _host = value; | |
| 101 } | |
| 102 | |
| 103 /** | |
| 104 * **Note**: This is an implementation helper and should not need to be called | |
| 105 * from your code. | |
| 106 * | |
| 107 * Creates the [ShadowRoot] backing this component. | |
| 108 */ | |
| 109 createShadowRoot([String componentName]) { | |
| 110 var root = host.createShadowRoot(); | |
| 111 if (componentName != null) { | |
| 112 _generatedRoots[componentName] = root; | |
| 113 } | |
| 114 return root; | |
| 115 } | |
| 116 | |
| 117 // TODO(sigmund): delete this. We should techincally only call this method | |
| 118 // on subclasses of polymer element. To delete this we either make this method | |
| 119 // private in PolymerElement, stop doing compilation, or add support for the | |
| 120 // polymer-element tag. | |
| 121 void shadowRootReady(ShadowRoot root, String elementName) {} | |
| 122 | |
| 123 getShadowRoot(String componentName) => _generatedRoots[componentName]; | |
| 124 | |
| 125 | |
| 126 /** | |
| 127 * *Warning*: This is an implementation helper for Custom Elements and | |
| 128 * should not be used in your code. | |
| 129 * | |
| 130 * Clones the template, instantiates custom elements and hooks events, then | |
| 131 * returns it. | |
| 132 */ | |
| 133 DocumentFragment cloneTemplate(DocumentFragment shadowTemplate) { | |
| 134 var result = shadowTemplate.clone(true); | |
| 135 // TODO(jmesserly): should bindModel ensure this happens? | |
| 136 TemplateElement.bootstrap(result); | |
| 137 if (_templateCreated != null) { | |
| 138 for (var callback in _templateCreated) callback(result); | |
| 139 } | |
| 140 return result; | |
| 141 } | |
| 142 | |
| 143 // TODO(jmesserly): ideally this would be a stream, but they don't allow | |
| 144 // reentrancy. | |
| 145 static Set<DocumentFragmentCreated> _templateCreated; | |
| 146 | |
| 147 /** | |
| 148 * *Warning*: This is an implementation helper for Custom Elements and | |
| 149 * should not be used in your code. | |
| 150 * | |
| 151 * This event is fired whenever a template is instantiated via | |
| 152 * [cloneTemplate] or via [Element.createInstance] | |
| 153 */ | |
| 154 // TODO(jmesserly): This is a hack, and is neccesary for the polyfill | |
| 155 // because custom elements are not upgraded during clone() | |
| 156 static Set<DocumentFragmentCreated> get templateCreated { | |
| 157 if (_templateCreated == null) { | |
| 158 _templateCreated = new Set<DocumentFragmentCreated>(); | |
| 159 mdv.instanceCreated.listen((value) { | |
| 160 for (var callback in _templateCreated) callback(value); | |
| 161 }); | |
| 162 } | |
| 163 return _templateCreated; | |
| 164 } | |
| 165 /** | |
| 166 * Invoked when this component gets created. | |
| 167 * Note that [root] will be a [ShadowRoot] if the browser supports Shadow DOM. | |
| 168 */ | |
| 169 void created() {} | |
| 170 | |
| 171 /** Invoked when this component gets inserted in the DOM tree. */ | |
| 172 void inserted() {} | |
| 173 | |
| 174 /** Invoked when this component is removed from the DOM tree. */ | |
| 175 void removed() {} | |
| 176 | |
| 177 // TODO(jmesserly): how do we implement this efficiently? | |
| 178 // See https://github.com/dart-lang/web-ui/issues/37 | |
| 179 /** Invoked when any attribute of the component is modified. */ | |
| 180 void attributeChanged(String name, String oldValue, String newValue) {} | |
| 181 | |
| 182 get model => host.model; | |
| 183 | |
| 184 void set model(newModel) { | |
| 185 host.model = newModel; | |
| 186 } | |
| 187 | |
| 188 get templateInstance => host.templateInstance; | |
| 189 get isTemplate => host.isTemplate; | |
| 190 get ref => host.ref; | |
| 191 get content => host.content; | |
| 192 DocumentFragment createInstance(model, String syntax) => | |
| 193 host.createInstance(model, syntax); | |
| 194 void bind(String name, model, String path) => host.bind(name, model, path); | |
| 195 void unbind(String name) => host.unbind(name); | |
| 196 void unbindAll() => host.unbindAll(); | |
| 197 | |
| 198 // TODO(jmesserly): this forwarding is temporary until Dart supports | |
| 199 // subclassing Elements. | |
| 200 // TODO(jmesserly): we were missing the setter for title, are other things | |
| 201 // missing setters? | |
| 202 | |
| 203 List<Node> get nodes => host.nodes; | |
| 204 | |
| 205 set nodes(Iterable<Node> value) { host.nodes = value; } | |
| 206 | |
| 207 /** | |
| 208 * Replaces this node with another node. | |
| 209 */ | |
| 210 Node replaceWith(Node otherNode) { host.replaceWith(otherNode); } | |
| 211 | |
| 212 /** | |
| 213 * Removes this node from the DOM. | |
| 214 */ | |
| 215 void remove() => host.remove(); | |
| 216 | |
| 217 Node get nextNode => host.nextNode; | |
| 218 | |
| 219 String get nodeName => host.nodeName; | |
| 220 | |
| 221 Document get document => host.document; | |
| 222 | |
| 223 Node get previousNode => host.previousNode; | |
| 224 | |
| 225 String get text => host.text; | |
| 226 | |
| 227 set text(String v) { host.text = v; } | |
| 228 | |
| 229 bool contains(Node other) => host.contains(other); | |
| 230 | |
| 231 bool hasChildNodes() => host.hasChildNodes(); | |
| 232 | |
| 233 Node insertBefore(Node newChild, Node refChild) => | |
| 234 host.insertBefore(newChild, refChild); | |
| 235 | |
| 236 Node insertAllBefore(Iterable<Node> newChild, Node refChild) => | |
| 237 host.insertAllBefore(newChild, refChild); | |
| 238 | |
| 239 Map<String, String> get attributes => host.attributes; | |
| 240 set attributes(Map<String, String> value) { | |
| 241 host.attributes = value; | |
| 242 } | |
| 243 | |
| 244 List<Element> get elements => host.children; | |
| 245 | |
| 246 set elements(List<Element> value) { | |
| 247 host.children = value; | |
| 248 } | |
| 249 | |
| 250 List<Element> get children => host.children; | |
| 251 | |
| 252 set children(List<Element> value) { | |
| 253 host.children = value; | |
| 254 } | |
| 255 | |
| 256 Set<String> get classes => host.classes; | |
| 257 | |
| 258 set classes(Iterable<String> value) { | |
| 259 host.classes = value; | |
| 260 } | |
| 261 | |
| 262 CssRect get contentEdge => host.contentEdge; | |
| 263 CssRect get paddingEdge => host.paddingEdge; | |
| 264 CssRect get borderEdge => host.borderEdge; | |
| 265 CssRect get marginEdge => host.marginEdge; | |
| 266 | |
| 267 Map<String, String> getNamespacedAttributes(String namespace) => | |
| 268 host.getNamespacedAttributes(namespace); | |
| 269 | |
| 270 CssStyleDeclaration getComputedStyle([String pseudoElement]) | |
| 271 => host.getComputedStyle(pseudoElement); | |
| 272 | |
| 273 Element clone(bool deep) => host.clone(deep); | |
| 274 | |
| 275 Element get parent => host.parent; | |
| 276 | |
| 277 Node get parentNode => host.parentNode; | |
| 278 | |
| 279 String get nodeValue => host.nodeValue; | |
| 280 | |
| 281 @deprecated | |
| 282 // TODO(sigmund): restore the old return type and call host.on when | |
| 283 // dartbug.com/8131 is fixed. | |
| 284 dynamic get on { throw new UnsupportedError('on is deprecated'); } | |
| 285 | |
| 286 String get contentEditable => host.contentEditable; | |
| 287 set contentEditable(String v) { host.contentEditable = v; } | |
| 288 | |
| 289 String get dir => host.dir; | |
| 290 set dir(String v) { host.dir = v; } | |
| 291 | |
| 292 bool get draggable => host.draggable; | |
| 293 set draggable(bool v) { host.draggable = v; } | |
| 294 | |
| 295 bool get hidden => host.hidden; | |
| 296 set hidden(bool v) { host.hidden = v; } | |
| 297 | |
| 298 String get id => host.id; | |
| 299 set id(String v) { host.id = v; } | |
| 300 | |
| 301 String get innerHTML => host.innerHtml; | |
| 302 | |
| 303 void set innerHTML(String v) { | |
| 304 host.innerHtml = v; | |
| 305 } | |
| 306 | |
| 307 String get innerHtml => host.innerHtml; | |
| 308 void set innerHtml(String v) { | |
| 309 host.innerHtml = v; | |
| 310 } | |
| 311 | |
| 312 bool get isContentEditable => host.isContentEditable; | |
| 313 | |
| 314 String get lang => host.lang; | |
| 315 set lang(String v) { host.lang = v; } | |
| 316 | |
| 317 String get outerHtml => host.outerHtml; | |
| 318 | |
| 319 bool get spellcheck => host.spellcheck; | |
| 320 set spellcheck(bool v) { host.spellcheck = v; } | |
| 321 | |
| 322 int get tabIndex => host.tabIndex; | |
| 323 set tabIndex(int i) { host.tabIndex = i; } | |
| 324 | |
| 325 String get title => host.title; | |
| 326 | |
| 327 set title(String value) { host.title = value; } | |
| 328 | |
| 329 bool get translate => host.translate; | |
| 330 set translate(bool v) { host.translate = v; } | |
| 331 | |
| 332 String get dropzone => host.dropzone; | |
| 333 set dropzone(String v) { host.dropzone = v; } | |
| 334 | |
| 335 void click() { host.click(); } | |
| 336 | |
| 337 InputMethodContext getInputContext() => host.getInputContext(); | |
| 338 | |
| 339 Element insertAdjacentElement(String where, Element element) => | |
| 340 host.insertAdjacentElement(where, element); | |
| 341 | |
| 342 void insertAdjacentHtml(String where, String html) { | |
| 343 host.insertAdjacentHtml(where, html); | |
| 344 } | |
| 345 | |
| 346 void insertAdjacentText(String where, String text) { | |
| 347 host.insertAdjacentText(where, text); | |
| 348 } | |
| 349 | |
| 350 Map<String, String> get dataset => host.dataset; | |
| 351 | |
| 352 set dataset(Map<String, String> value) { | |
| 353 host.dataset = value; | |
| 354 } | |
| 355 | |
| 356 Element get nextElementSibling => host.nextElementSibling; | |
| 357 | |
| 358 Element get offsetParent => host.offsetParent; | |
| 359 | |
| 360 Element get previousElementSibling => host.previousElementSibling; | |
| 361 | |
| 362 CssStyleDeclaration get style => host.style; | |
| 363 | |
| 364 String get tagName => host.tagName; | |
| 365 | |
| 366 String get pseudo => host.pseudo; | |
| 367 | |
| 368 void set pseudo(String value) { | |
| 369 host.pseudo = value; | |
| 370 } | |
| 371 | |
| 372 // Note: we are not polyfilling the shadow root here. This will be fixed when | |
| 373 // we migrate to the JS Shadow DOM polyfills. You can still use getShadowRoot | |
| 374 // to retrieve a node that behaves as the shadow root when Shadow DOM is not | |
| 375 // enabled. | |
| 376 ShadowRoot get shadowRoot => host.shadowRoot; | |
| 377 | |
| 378 void blur() { host.blur(); } | |
| 379 | |
| 380 void focus() { host.focus(); } | |
| 381 | |
| 382 void scrollByLines(int lines) { | |
| 383 host.scrollByLines(lines); | |
| 384 } | |
| 385 | |
| 386 void scrollByPages(int pages) { | |
| 387 host.scrollByPages(pages); | |
| 388 } | |
| 389 | |
| 390 void scrollIntoView([ScrollAlignment alignment]) { | |
| 391 host.scrollIntoView(alignment); | |
| 392 } | |
| 393 | |
| 394 bool matches(String selectors) => host.matches(selectors); | |
| 395 | |
| 396 @deprecated | |
| 397 void requestFullScreen(int flags) { requestFullscreen(); } | |
| 398 | |
| 399 void requestFullscreen() { host.requestFullscreen(); } | |
| 400 | |
| 401 void requestPointerLock() { host.requestPointerLock(); } | |
| 402 | |
| 403 Element query(String selectors) => host.query(selectors); | |
| 404 | |
| 405 ElementList queryAll(String selectors) => host.queryAll(selectors); | |
| 406 | |
| 407 HtmlCollection get $dom_children => host.$dom_children; | |
| 408 | |
| 409 int get $dom_childElementCount => host.$dom_childElementCount; | |
| 410 | |
| 411 String get className => host.className; | |
| 412 set className(String value) { host.className = value; } | |
| 413 | |
| 414 @deprecated | |
| 415 int get clientHeight => client.height; | |
| 416 | |
| 417 @deprecated | |
| 418 int get clientLeft => client.left; | |
| 419 | |
| 420 @deprecated | |
| 421 int get clientTop => client.top; | |
| 422 | |
| 423 @deprecated | |
| 424 int get clientWidth => client.width; | |
| 425 | |
| 426 Rect get client => host.client; | |
| 427 | |
| 428 Element get $dom_firstElementChild => host.$dom_firstElementChild; | |
| 429 | |
| 430 Element get $dom_lastElementChild => host.$dom_lastElementChild; | |
| 431 | |
| 432 @deprecated | |
| 433 int get offsetHeight => offset.height; | |
| 434 | |
| 435 @deprecated | |
| 436 int get offsetLeft => offset.left; | |
| 437 | |
| 438 @deprecated | |
| 439 int get offsetTop => offset.top; | |
| 440 | |
| 441 @deprecated | |
| 442 int get offsetWidth => offset.width; | |
| 443 | |
| 444 Rect get offset => host.offset; | |
| 445 | |
| 446 int get scrollHeight => host.scrollHeight; | |
| 447 | |
| 448 int get scrollLeft => host.scrollLeft; | |
| 449 | |
| 450 int get scrollTop => host.scrollTop; | |
| 451 | |
| 452 set scrollLeft(int value) { host.scrollLeft = value; } | |
| 453 | |
| 454 set scrollTop(int value) { host.scrollTop = value; } | |
| 455 | |
| 456 int get scrollWidth => host.scrollWidth; | |
| 457 | |
| 458 String $dom_getAttribute(String name) => | |
| 459 host.$dom_getAttribute(name); | |
| 460 | |
| 461 String $dom_getAttributeNS(String namespaceUri, String localName) => | |
| 462 host.$dom_getAttributeNS(namespaceUri, localName); | |
| 463 | |
| 464 String $dom_setAttributeNS( | |
| 465 String namespaceUri, String localName, String value) { | |
| 466 host.$dom_setAttributeNS(namespaceUri, localName, value); | |
| 467 } | |
| 468 | |
| 469 bool $dom_hasAttributeNS(String namespaceUri, String localName) => | |
| 470 host.$dom_hasAttributeNS(namespaceUri, localName); | |
| 471 | |
| 472 void $dom_removeAttributeNS(String namespaceUri, String localName) => | |
| 473 host.$dom_removeAttributeNS(namespaceUri, localName); | |
| 474 | |
| 475 Rect getBoundingClientRect() => host.getBoundingClientRect(); | |
| 476 | |
| 477 List<Rect> getClientRects() => host.getClientRects(); | |
| 478 | |
| 479 List<Node> getElementsByClassName(String name) => | |
| 480 host.getElementsByClassName(name); | |
| 481 | |
| 482 List<Node> $dom_getElementsByTagName(String name) => | |
| 483 host.$dom_getElementsByTagName(name); | |
| 484 | |
| 485 bool $dom_hasAttribute(String name) => | |
| 486 host.$dom_hasAttribute(name); | |
| 487 | |
| 488 List<Node> $dom_querySelectorAll(String selectors) => | |
| 489 host.$dom_querySelectorAll(selectors); | |
| 490 | |
| 491 void $dom_removeAttribute(String name) => | |
| 492 host.$dom_removeAttribute(name); | |
| 493 | |
| 494 void $dom_setAttribute(String name, String value) => | |
| 495 host.$dom_setAttribute(name, value); | |
| 496 | |
| 497 get $dom_attributes => host.$dom_attributes; | |
| 498 | |
| 499 List<Node> get $dom_childNodes => host.$dom_childNodes; | |
| 500 | |
| 501 Node get firstChild => host.firstChild; | |
| 502 | |
| 503 Node get lastChild => host.lastChild; | |
| 504 | |
| 505 String get localName => host.localName; | |
| 506 String get $dom_localName => host.$dom_localName; | |
| 507 | |
| 508 String get namespaceUri => host.namespaceUri; | |
| 509 String get $dom_namespaceUri => host.$dom_namespaceUri; | |
| 510 | |
| 511 int get nodeType => host.nodeType; | |
| 512 | |
| 513 void $dom_addEventListener(String type, EventListener listener, | |
| 514 [bool useCapture]) { | |
| 515 host.$dom_addEventListener(type, listener, useCapture); | |
| 516 } | |
| 517 | |
| 518 bool dispatchEvent(Event event) => host.dispatchEvent(event); | |
| 519 | |
| 520 Node $dom_removeChild(Node oldChild) => host.$dom_removeChild(oldChild); | |
| 521 | |
| 522 void $dom_removeEventListener(String type, EventListener listener, | |
| 523 [bool useCapture]) { | |
| 524 host.$dom_removeEventListener(type, listener, useCapture); | |
| 525 } | |
| 526 | |
| 527 Node $dom_replaceChild(Node newChild, Node oldChild) => | |
| 528 host.$dom_replaceChild(newChild, oldChild); | |
| 529 | |
| 530 get xtag => host.xtag; | |
| 531 | |
| 532 set xtag(value) { host.xtag = value; } | |
| 533 | |
| 534 Node append(Node e) => host.append(e); | |
| 535 | |
| 536 void appendText(String text) => host.appendText(text); | |
| 537 | |
| 538 void appendHtml(String html) => host.appendHtml(html); | |
| 539 | |
| 540 void $dom_scrollIntoView([bool alignWithTop]) { | |
| 541 if (alignWithTop == null) { | |
| 542 host.$dom_scrollIntoView(); | |
| 543 } else { | |
| 544 host.$dom_scrollIntoView(alignWithTop); | |
| 545 } | |
| 546 } | |
| 547 | |
| 548 void $dom_scrollIntoViewIfNeeded([bool centerIfNeeded]) { | |
| 549 if (centerIfNeeded == null) { | |
| 550 host.$dom_scrollIntoViewIfNeeded(); | |
| 551 } else { | |
| 552 host.$dom_scrollIntoViewIfNeeded(centerIfNeeded); | |
| 553 } | |
| 554 } | |
| 555 | |
| 556 String get regionOverset => host.regionOverset; | |
| 557 | |
| 558 List<Range> getRegionFlowRanges() => host.getRegionFlowRanges(); | |
| 559 | |
| 560 // TODO(jmesserly): rename "created" to "onCreated". | |
| 561 void onCreated() => created(); | |
| 562 | |
| 563 Stream<Event> get onAbort => host.onAbort; | |
| 564 Stream<Event> get onBeforeCopy => host.onBeforeCopy; | |
| 565 Stream<Event> get onBeforeCut => host.onBeforeCut; | |
| 566 Stream<Event> get onBeforePaste => host.onBeforePaste; | |
| 567 Stream<Event> get onBlur => host.onBlur; | |
| 568 Stream<Event> get onChange => host.onChange; | |
| 569 Stream<MouseEvent> get onClick => host.onClick; | |
| 570 Stream<MouseEvent> get onContextMenu => host.onContextMenu; | |
| 571 Stream<Event> get onCopy => host.onCopy; | |
| 572 Stream<Event> get onCut => host.onCut; | |
| 573 Stream<Event> get onDoubleClick => host.onDoubleClick; | |
| 574 Stream<MouseEvent> get onDrag => host.onDrag; | |
| 575 Stream<MouseEvent> get onDragEnd => host.onDragEnd; | |
| 576 Stream<MouseEvent> get onDragEnter => host.onDragEnter; | |
| 577 Stream<MouseEvent> get onDragLeave => host.onDragLeave; | |
| 578 Stream<MouseEvent> get onDragOver => host.onDragOver; | |
| 579 Stream<MouseEvent> get onDragStart => host.onDragStart; | |
| 580 Stream<MouseEvent> get onDrop => host.onDrop; | |
| 581 Stream<Event> get onError => host.onError; | |
| 582 Stream<Event> get onFocus => host.onFocus; | |
| 583 Stream<Event> get onInput => host.onInput; | |
| 584 Stream<Event> get onInvalid => host.onInvalid; | |
| 585 Stream<KeyboardEvent> get onKeyDown => host.onKeyDown; | |
| 586 Stream<KeyboardEvent> get onKeyPress => host.onKeyPress; | |
| 587 Stream<KeyboardEvent> get onKeyUp => host.onKeyUp; | |
| 588 Stream<Event> get onLoad => host.onLoad; | |
| 589 Stream<MouseEvent> get onMouseDown => host.onMouseDown; | |
| 590 Stream<MouseEvent> get onMouseMove => host.onMouseMove; | |
| 591 Stream<Event> get onFullscreenChange => host.onFullscreenChange; | |
| 592 Stream<Event> get onFullscreenError => host.onFullscreenError; | |
| 593 Stream<Event> get onPaste => host.onPaste; | |
| 594 Stream<Event> get onReset => host.onReset; | |
| 595 Stream<Event> get onScroll => host.onScroll; | |
| 596 Stream<Event> get onSearch => host.onSearch; | |
| 597 Stream<Event> get onSelect => host.onSelect; | |
| 598 Stream<Event> get onSelectStart => host.onSelectStart; | |
| 599 Stream<Event> get onSubmit => host.onSubmit; | |
| 600 Stream<MouseEvent> get onMouseOut => host.onMouseOut; | |
| 601 Stream<MouseEvent> get onMouseOver => host.onMouseOver; | |
| 602 Stream<MouseEvent> get onMouseUp => host.onMouseUp; | |
| 603 Stream<TouchEvent> get onTouchCancel => host.onTouchCancel; | |
| 604 Stream<TouchEvent> get onTouchEnd => host.onTouchEnd; | |
| 605 Stream<TouchEvent> get onTouchEnter => host.onTouchEnter; | |
| 606 Stream<TouchEvent> get onTouchLeave => host.onTouchLeave; | |
| 607 Stream<TouchEvent> get onTouchMove => host.onTouchMove; | |
| 608 Stream<TouchEvent> get onTouchStart => host.onTouchStart; | |
| 609 Stream<TransitionEvent> get onTransitionEnd => host.onTransitionEnd; | |
| 610 | |
| 611 // TODO(sigmund): do the normal forwarding when dartbug.com/7919 is fixed. | |
| 612 Stream<WheelEvent> get onMouseWheel { | |
| 613 throw new UnsupportedError('onMouseWheel is not supported'); | |
| 614 } | |
| 615 } | |
| 616 | |
| 617 | |
| 618 typedef DocumentFragmentCreated(DocumentFragment fragment); | |
| 619 | |
| 620 Map<String, Function> _customElements; | |
| 621 | |
| 622 void _createElements(Node node) { | |
| 623 for (var c = node.firstChild; c != null; c = c.nextNode) { | |
| 624 _createElements(c); | |
| 625 } | |
| 626 if (node is Element) { | |
| 627 var ctor = _customElements[node.localName]; | |
| 628 if (ctor == null) { | |
| 629 var attr = node.attributes['is']; | |
| 630 if (attr != null) ctor = _customElements[attr]; | |
| 631 } | |
| 632 if (ctor != null) _initCustomElement(node, ctor); | |
| 633 } | |
| 634 } | |
| 635 | |
| 636 void _initCustomElement(Element node, CustomElement ctor()) { | |
| 637 CustomElement element = ctor(); | |
| 638 element.host = node; | |
| 639 | |
| 640 // TODO(jmesserly): replace lifecycle stuff with a proper polyfill. | |
| 641 element.created(); | |
| 642 | |
| 643 _registerLifecycleInsert(element); | |
| 644 } | |
| 645 | |
| 646 void _registerLifecycleInsert(CustomElement element) { | |
| 647 runAsync(() { | |
| 648 // TODO(jmesserly): bottom up or top down insert? | |
| 649 var node = element.host; | |
| 650 | |
| 651 // TODO(jmesserly): need a better check to see if the node has been removed. | |
| 652 if (node.parentNode == null) return; | |
| 653 | |
| 654 _registerLifecycleRemove(element); | |
| 655 element.inserted(); | |
| 656 }); | |
| 657 } | |
| 658 | |
| 659 void _registerLifecycleRemove(CustomElement element) { | |
| 660 // TODO(jmesserly): need fallback or polyfill for MutationObserver. | |
| 661 if (!MutationObserver.supported) return; | |
| 662 | |
| 663 new MutationObserver((records, observer) { | |
| 664 var node = element.host; | |
| 665 for (var record in records) { | |
| 666 for (var removed in record.removedNodes) { | |
| 667 if (identical(node, removed)) { | |
| 668 observer.disconnect(); | |
| 669 element.removed(); | |
| 670 return; | |
| 671 } | |
| 672 } | |
| 673 } | |
| 674 }).observe(element.parentNode, childList: true); | |
| 675 } | |
| 676 | |
| 677 /** | |
| 678 * DEPRECATED: this has no effect. Shadow DOM should always be used with custom | |
| 679 * elements. | |
| 680 * | |
| 681 * Set this to true to use native Shadow DOM if it is supported. | |
| 682 * Note that this will change behavior of [WebComponent] APIs for tree | |
| 683 * traversal. | |
| 684 */ | |
| 685 @deprecated | |
| 686 bool useShadowDom = false; | |
| OLD | NEW |
|---|
Chromium Code Reviews
Issue 20863002:
Introduce boot.js: this finally makes it possible to load and run Todomvc (Closed)
Base URL: git@github.com:dart-lang/web-ui.git@master