Chromium Code Reviews| Index: client/html/src/shared_FactoryProviders.dart |
| diff --git a/client/html/src/shared_FactoryProviders.dart b/client/html/src/shared_FactoryProviders.dart |
| new file mode 100644 |
| index 0000000000000000000000000000000000000000..d2fdcbebd48318df3ba94aa681ad701600ff1e92 |
| --- /dev/null |
| +++ b/client/html/src/shared_FactoryProviders.dart |
| @@ -0,0 +1,103 @@ |
| +// Copyright (c) 2012, the Dart project authors. Please see the AUTHORS file |
| +// for details. All rights reserved. Use of this source code is governed by a |
| +// BSD-style license that can be found in the LICENSE file. |
| + |
| +class _TextFactoryProvider { |
| + |
| + factory Text(data) => document._createTextNode(data); |
| +} |
| + |
| +class _EventFactoryProvider { |
| + factory Event(String type, [bool canBubble = true, |
| + bool cancelable = true]) { |
| + _EventImpl e = document._createEvent("Event"); |
| + e._initEvent(type, canBubble, cancelable); |
| + return e; |
| + } |
| +} |
| + |
| +class _MouseEventFactoryProvider { |
| + factory MouseEvent(String type, Window view, int detail, |
| + int screenX, int screenY, int clientX, int clientY, int button, |
| + [bool canBubble = true, bool cancelable = true, bool ctrlKey = false, |
| + bool altKey = false, bool shiftKey = false, bool metaKey = false, |
| + EventTarget relatedTarget = null]) { |
| + final e = document._createEvent("MouseEvent"); |
| + e._initMouseEvent(type, canBubble, cancelable, view, detail, |
| + screenX, screenY, clientX, clientY, ctrlKey, altKey, shiftKey, metaKey, |
| + button, relatedTarget); |
| + return e; |
| + } |
| +} |
| + |
| +class _CSSStyleDeclarationFactoryProvider { |
| + factory CSSStyleDeclaration.css(String css) { |
| + var style = new Element.tag('div').style; |
| + style.cssText = css; |
| + return style; |
| + } |
| + |
| + factory CSSStyleDeclaration() { |
| + return new CSSStyleDeclaration.css(''); |
| + } |
| +} |
| + |
| +final _START_TAG_REGEXP = const RegExp('<(\\w+)'); |
| +class _ElementFactoryProvider { |
| + static final _CUSTOM_PARENT_TAG_MAP = const { |
| + 'body' : 'html', |
| + 'head' : 'html', |
| + 'caption' : 'table', |
| + 'td': 'tr', |
| + 'tbody': 'table', |
| + 'colgroup': 'table', |
| + 'col' : 'colgroup', |
| + 'tr' : 'tbody', |
| + 'tbody' : 'table', |
| + 'tfoot' : 'table', |
| + 'thead' : 'table', |
| + 'track' : 'audio', |
| + }; |
| + |
| + /** @domName Document.createElement */ |
| + factory Element.html(String html) { |
| + // TODO(jacobr): this method can be made more robust and performant. |
| + // 1) Cache the dummy parent elements required to use innerHTML rather than |
| + // creating them every call. |
| + // 2) Verify that the html does not contain leading or trailing text nodes. |
| + // 3) Verify that the html does not contain both <head> and <body> tags. |
| + // 4) Detatch the created element from its dummy parent. |
| + String parentTag = 'div'; |
| + String tag; |
| + final match = _START_TAG_REGEXP.firstMatch(html); |
| + if (match !== null) { |
| + tag = match.group(1).toLowerCase(); |
| + if (_CUSTOM_PARENT_TAG_MAP.containsKey(tag)) { |
| + parentTag = _CUSTOM_PARENT_TAG_MAP[tag]; |
| + } |
| + } |
| + // TODO(jacobr): make type dom.HTMLElement when dartium allows it. |
|
nweiz
2012/03/01 21:18:03
This is no longer necessary
|
| + _ElementImpl temp = document._createElement(parentTag); |
|
nweiz
2012/03/01 21:18:03
Should this be Element rather than _ElementImpl?
|
| + temp.innerHTML = html; |
| + |
| + Element element; |
| + if (temp.elements.length == 1) { |
| + element = temp.elements.first; |
| + } else if (parentTag == 'html' && temp.elements.length == 2) { |
| + // Work around for edge case in WebKit and possibly other browsers where |
| + // both body and head elements are created even though the inner html |
| + // only contains a head or body element. |
| + element = temp.elements[tag == 'head' ? 0 : 1]; |
| + } else { |
| + throw new IllegalArgumentException('HTML had ${temp.elements.length} ' + |
| + 'top level elements but 1 expected'); |
| + } |
| + element.remove(); |
| + return element; |
| + } |
| + |
| + /** @domName Document.createElement */ |
| + factory Element.tag(String tag) { |
| + return document._createElement(tag); |
| + } |
| +} |