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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 $CLASSNAME extends _ElementImpl | |
6 implements Document { | |
7 $!MEMBERS | |
8 | |
9 final dom.Document _documentPtr; | |
10 final _NodeImpl _wrappedDocumentPtr; | |
11 | |
12 _DocumentImpl._wrap(ptr) : | |
nweiz
2012/03/01 21:18:03
Nit: indentation
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13 super._wrap(ptr), | |
14 _documentPtr = ptr.parentNode, | |
15 _wrappedDocumentPtr = ptr.parentNode != null ? | |
16 new _SecretHtmlDocumentImpl._wrap(ptr.parentNode) : null; | |
17 | |
18 // TODO(jacobr): remove these methods and let them be generated automatically | |
19 // once dart supports defining fields with the same name in an interface and | |
20 // its parent interface. | |
21 String get title() => _documentPtr.title; | |
22 void set title(String value) => _documentPtr.title = title; | |
23 | |
24 // For efficiency and simplicity, we always use the HtmlElement as the | |
25 // Document but sometimes internally we need the real JS document object. | |
26 _NodeImpl get _rawDocument() => _wrappedDocumentPtr; | |
27 | |
28 // The document doesn't have a parent element. | |
29 _ElementImpl get parent() => null; | |
30 } | |
31 | |
32 // This class should not be externally visible. If a user ever gets access to | |
33 // a _SecretHtmlDocumentImpl object that is a bug. This object is hidden by | |
34 // adding checks to all methods that could an HTMLDocument. We believe that | |
nweiz
2012/03/01 21:18:03
"that could return an HTMLDocument"
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35 // list is limited to Event.target, and HTMLHtmlElement.parent. | |
36 // In a wrapper based world there isn't a need for this complexity but we | |
37 // use this design for consistency with the wrapperless implementation so | |
38 // that bugs show up in both cases. | |
39 class _SecretHtmlDocumentImpl extends _NodeImpl implements Node { | |
40 | |
41 _SecretHtmlDocumentImpl._wrap(ptr) : super._wrap(ptr); | |
42 | |
43 _DocumentImpl get _documentElement() => _wrap(_ptr.documentElement); | |
44 } | |
45 | |
46 EventTarget _FixHtmlDocumentReference(EventTarget eventTarget) { | |
47 if (eventTarget is _SecretHtmlDocumentImpl) { | |
48 _SecretHtmlDocumentImpl secretDocument = eventTarget; | |
49 return secretDocument._documentElement; | |
50 } else { | |
51 return eventTarget; | |
52 } | |
53 } | |
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