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Side by Side Diff: client/html/src/shared_FactoryProviders.dart

Issue 9537001: Generate dart:html bindings for Dartium as well as Frog. All unittests now pass (or are disabled fo… (Closed) Base URL: https://dart.googlecode.com/svn/branches/bleeding_edge/dart
Patch Set: Created 8 years, 9 months ago
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1 // Copyright (c) 2012, 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 class _TextFactoryProvider {
6
7 factory Text(data) => document._createTextNode(data);
8 }
9
10 class _EventFactoryProvider {
11 factory Event(String type, [bool canBubble = true,
12 bool cancelable = true]) {
13 _EventImpl e = document._createEvent("Event");
14 e._initEvent(type, canBubble, cancelable);
15 return e;
16 }
17 }
18
19 class _MouseEventFactoryProvider {
20 factory MouseEvent(String type, Window view, int detail,
21 int screenX, int screenY, int clientX, int clientY, int button,
22 [bool canBubble = true, bool cancelable = true, bool ctrlKey = false,
23 bool altKey = false, bool shiftKey = false, bool metaKey = false,
24 EventTarget relatedTarget = null]) {
25 final e = document._createEvent("MouseEvent");
26 e._initMouseEvent(type, canBubble, cancelable, view, detail,
27 screenX, screenY, clientX, clientY, ctrlKey, altKey, shiftKey, metaKey,
28 button, relatedTarget);
29 return e;
30 }
31 }
32
33 class _CSSStyleDeclarationFactoryProvider {
34 factory CSSStyleDeclaration.css(String css) {
35 var style = new Element.tag('div').style;
36 style.cssText = css;
37 return style;
38 }
39
40 factory CSSStyleDeclaration() {
41 return new CSSStyleDeclaration.css('');
42 }
43 }
44
45 final _START_TAG_REGEXP = const RegExp('<(\\w+)');
46 class _ElementFactoryProvider {
47 static final _CUSTOM_PARENT_TAG_MAP = const {
48 'body' : 'html',
49 'head' : 'html',
50 'caption' : 'table',
51 'td': 'tr',
52 'tbody': 'table',
53 'colgroup': 'table',
54 'col' : 'colgroup',
55 'tr' : 'tbody',
56 'tbody' : 'table',
57 'tfoot' : 'table',
58 'thead' : 'table',
59 'track' : 'audio',
60 };
61
62 /** @domName Document.createElement */
63 factory Element.html(String html) {
64 // TODO(jacobr): this method can be made more robust and performant.
65 // 1) Cache the dummy parent elements required to use innerHTML rather than
66 // creating them every call.
67 // 2) Verify that the html does not contain leading or trailing text nodes.
68 // 3) Verify that the html does not contain both <head> and <body> tags.
69 // 4) Detatch the created element from its dummy parent.
70 String parentTag = 'div';
71 String tag;
72 final match = _START_TAG_REGEXP.firstMatch(html);
73 if (match !== null) {
74 tag = match.group(1).toLowerCase();
75 if (_CUSTOM_PARENT_TAG_MAP.containsKey(tag)) {
76 parentTag = _CUSTOM_PARENT_TAG_MAP[tag];
77 }
78 }
79 // TODO(jacobr): make type dom.HTMLElement when dartium allows it.
nweiz 2012/03/01 21:18:03 This is no longer necessary
80 _ElementImpl temp = document._createElement(parentTag);
nweiz 2012/03/01 21:18:03 Should this be Element rather than _ElementImpl?
81 temp.innerHTML = html;
82
83 Element element;
84 if (temp.elements.length == 1) {
85 element = temp.elements.first;
86 } else if (parentTag == 'html' && temp.elements.length == 2) {
87 // Work around for edge case in WebKit and possibly other browsers where
88 // both body and head elements are created even though the inner html
89 // only contains a head or body element.
90 element = temp.elements[tag == 'head' ? 0 : 1];
91 } else {
92 throw new IllegalArgumentException('HTML had ${temp.elements.length} ' +
93 'top level elements but 1 expected');
94 }
95 element.remove();
96 return element;
97 }
98
99 /** @domName Document.createElement */
100 factory Element.tag(String tag) {
101 return document._createElement(tag);
102 }
103 }
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