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); |
+ } |
+} |