/usr/share/idl/thunderbird/nsIDOMHTMLCanvasElement.idl is in thunderbird-dev 1:24.4.0+build1-0ubuntu1.
This file is owned by root:root, with mode 0o644.
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/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#include "nsIDOMHTMLElement.idl"
%{C++
// for jsval
#include "jsapi.h"
%}
/**
* The nsIDOMHTMLCanvasElement interface is the interface to a HTML
* <canvas> element.
*
* For more information on this interface, please see
* http://www.whatwg.org/specs/web-apps/current-work/#graphics
*
* @status UNDER_DEVELOPMENT
*/
interface nsIDOMBlob;
interface nsIDOMFile;
interface nsIVariant;
interface nsIInputStreamCallback;
[scriptable, builtinclass, uuid(8d5fb8a0-7782-11e1-b0c4-0800200c9a67)]
interface nsIDOMMozCanvasPrintState : nsISupports
{
// A canvas rendering context.
readonly attribute nsISupports context;
// To be called when rendering to the context is done.
void done();
};
[scriptable, function, uuid(8d5fb8a0-7782-11e1-b0c4-0800200c9a66)]
interface nsIPrintCallback : nsISupports
{
void render(in nsIDOMMozCanvasPrintState ctx);
};
[scriptable, function, uuid(6e9ffb59-2067-4aef-a51c-65e65a3e0d81)]
interface nsIFileCallback : nsISupports {
void receive(in nsIDOMBlob file);
};
[scriptable, uuid(350fddae-4476-4dcd-bccf-9c9c356354a6)]
interface nsIDOMHTMLCanvasElement : nsIDOMHTMLElement
{
attribute unsigned long width;
attribute unsigned long height;
attribute boolean mozOpaque;
// Valid calls are:
// toDataURL(); -- defaults to image/png
// toDataURL(type); -- uses given type
// toDataURL(type, params); -- uses given type, and any valid parameters
[implicit_jscontext]
DOMString toDataURL([optional] in DOMString type,
[optional] in jsval params);
// Valid calls are
// mozGetAsFile(name); -- defaults to image/png
// mozGetAsFile(name, type); -- uses given type
nsIDOMFile mozGetAsFile(in DOMString name, [optional] in DOMString type);
void toBlob(in nsIFileCallback callback,
[optional] in DOMString type);
// A Mozilla-only extension to get a canvas context backed by double-buffered
// shared memory. Only privileged callers can call this.
nsISupports MozGetIPCContext(in DOMString contextId);
// A Mozilla-only extension that returns the canvas' image data as a data
// stream in the desired image format.
void mozFetchAsStream(in nsIInputStreamCallback callback,
[optional] in DOMString type);
// A Mozilla-only callback that is called during the printing process.
attribute nsIPrintCallback mozPrintCallback;
};
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