OLD | NEW |
---|---|
1 /* | 1 /* |
2 * Copyright (C) 2006, 2008, 2009 Apple Inc. All rights reserved. | 2 * Copyright (C) 2006, 2008, 2009 Apple Inc. All rights reserved. |
3 * Copyright (C) 2010 Torch Mobile (Beijing) Co. Ltd. All rights reserved. | 3 * Copyright (C) 2010 Torch Mobile (Beijing) Co. Ltd. All rights reserved. |
4 * | 4 * |
5 * Redistribution and use in source and binary forms, with or without | 5 * Redistribution and use in source and binary forms, with or without |
6 * modification, are permitted provided that the following conditions | 6 * modification, are permitted provided that the following conditions |
7 * are met: | 7 * are met: |
8 * 1. Redistributions of source code must retain the above copyright | 8 * 1. Redistributions of source code must retain the above copyright |
9 * notice, this list of conditions and the following disclaimer. | 9 * notice, this list of conditions and the following disclaimer. |
10 * 2. Redistributions in binary form must reproduce the above copyright | 10 * 2. Redistributions in binary form must reproduce the above copyright |
11 * notice, this list of conditions and the following disclaimer in the | 11 * notice, this list of conditions and the following disclaimer in the |
12 * documentation and/or other materials provided with the distribution. | 12 * documentation and/or other materials provided with the distribution. |
13 * | 13 * |
14 * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY | 14 * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY |
15 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | 15 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR | 16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
17 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR | 17 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR |
18 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, | 18 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, |
19 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, | 19 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, |
20 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR | 20 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR |
21 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY | 21 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY |
22 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | 22 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
23 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | 23 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
24 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | 24 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
25 */ | 25 */ |
26 | 26 |
27 typedef (CanvasRenderingContext2D or WebGLRenderingContext) RenderingContext; | |
28 | |
27 interface HTMLCanvasElement : HTMLElement { | 29 interface HTMLCanvasElement : HTMLElement { |
28 | 30 |
29 attribute long width; | 31 attribute long width; |
30 attribute long height; | 32 attribute long height; |
31 | 33 |
32 [Custom, RaisesException] DOMString toDataURL([TreatUndefinedAs=NullString, Default=Undefined] optional DOMString? type); | 34 [Custom, RaisesException] DOMString toDataURL([TreatUndefinedAs=NullString, Default=Undefined] optional DOMString? type); |
33 | 35 |
34 // The custom binding is needed to handle context creation attributes. | 36 // Note: this differs deliberately from the specified Web IDL for this funct ion: |
35 [Custom] any getContext([Default=Undefined] optional DOMString contextId); | 37 // RenderingContext? getContext(DOMString contextId, any... arguments); |
38 // in order to eliminate the custom binding. It is functionally equivalent. | |
39 // | |
40 // The PermissiveDictionaryConversion extended attribute is needed to allow the | |
41 // autogenerated code to match the behavior of the custom binding. Web IDL | |
42 // requires throwing TypeError if the incoming argument is not an object typ e | |
43 // (and is not undefined or null). The binding must ignore this. | |
44 // | |
45 // Also note: the only reason this must return type "any" is to allow the | |
46 // InspectorInstrumentation wrappers to be called for canvases. If that coul d be | |
47 // handled differently the return type could be changed to "RenderingContext ?" | |
48 // and the [CallWith=ScriptState] extended attribute removed. | |
49 [CallWith=ScriptState] any getContext([Default=Undefined] optional DOMString contextId, [PermissiveDictionaryConversion] optional CanvasContextCreationAttri butes attributes); | |
bashi
2014/12/12 08:31:33
Let me ask a question: is it possible to use union
dshwang
2014/12/12 14:46:37
RenderingContext? getContext(...) doesn't require
Ken Russell (switch to Gerrit)
2014/12/12 19:09:38
The manually-written epilogue is required in order
Ken Russell (switch to Gerrit)
2014/12/12 19:09:39
Sorry, I just tested this and it's not possible. T
dshwang
2014/12/12 21:53:16
Thank you for explaining. Can Document.idl be chan
| |
36 }; | 50 }; |
OLD | NEW |