Thu, 22 Jan 2015 13:21:57 +0100
Incorporate requested changes from Mozilla in review:
https://bugzilla.mozilla.org/show_bug.cgi?id=1123480#c6
1 /* -*- Mode: IDL; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
2 /* This Source Code Form is subject to the terms of the Mozilla Public
3 * License, v. 2.0. If a copy of the MPL was not distributed with this
4 * file, You can obtain one at http://mozilla.org/MPL/2.0/.
5 *
6 * The origin of this IDL file is
7 * http://www.whatwg.org/specs/web-apps/current-work/#the-canvas-element
8 * © Copyright 2004-2011 Apple Computer, Inc., Mozilla Foundation, and
9 * Opera Software ASA. You are granted a license to use, reproduce
10 * and create derivative works of this document.
11 */
13 interface Blob;
14 interface nsIInputStreamCallback;
15 interface nsISupports;
16 interface Variant;
18 interface HTMLCanvasElement : HTMLElement {
19 [Pure, SetterThrows]
20 attribute unsigned long width;
21 [Pure, SetterThrows]
22 attribute unsigned long height;
24 [Throws]
25 nsISupports? getContext(DOMString contextId, optional any contextOptions = null);
27 [Throws]
28 DOMString toDataURL(optional DOMString type = "",
29 optional any encoderOptions);
30 [Throws]
31 void toBlob(FileCallback _callback,
32 optional DOMString type = "",
33 optional any encoderOptions);
34 };
36 // Mozilla specific bits
37 partial interface HTMLCanvasElement {
38 [Pure, SetterThrows]
39 attribute boolean mozOpaque;
40 [Throws]
41 File mozGetAsFile(DOMString name, optional DOMString? type = null);
42 [ChromeOnly, Throws]
43 nsISupports? MozGetIPCContext(DOMString contextId);
44 [ChromeOnly]
45 void mozFetchAsStream(nsIInputStreamCallback callback, optional DOMString? type = null);
46 attribute PrintCallback? mozPrintCallback;
47 };
49 [ChromeOnly]
50 interface MozCanvasPrintState
51 {
52 // A canvas rendering context.
53 readonly attribute nsISupports context;
55 // To be called when rendering to the context is done.
56 void done();
57 };
59 callback PrintCallback = void(MozCanvasPrintState ctx);
61 callback FileCallback = void(Blob file);