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Unified 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, 10 months ago
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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);
+ }
+}

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