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/*
* Copyright (c) 2013, Google Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following disclaimer
* in the documentation and/or other materials provided with the
* distribution.
* * Neither the name of Google Inc. nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef ImageBitmapFactories_h
#define ImageBitmapFactories_h
#include "bindings/v8/ScriptPromise.h"
#include "bindings/v8/ScriptPromiseResolver.h"
#include "bindings/v8/ScriptState.h"
#include "core/fileapi/FileReaderLoader.h"
#include "core/fileapi/FileReaderLoaderClient.h"
#include "core/workers/WorkerSupplementable.h"
#include "platform/Supplementable.h"
#include "platform/geometry/IntRect.h"
#include "wtf/Forward.h"
#include "wtf/HashSet.h"
namespace WebCore {
class Blob;
class CanvasRenderingContext2D;
class EventTarget;
class ExceptionState;
class HTMLCanvasElement;
class HTMLImageElement;
class HTMLVideoElement;
class ImageBitmap;
class ImageData;
class ExecutionContext;
class ImageBitmapFactories : public Supplement<DOMWindow>, public WorkerSupplement {
class ImageBitmapLoader;
public:
static ScriptPromise createImageBitmap(EventTarget*, HTMLImageElement*, ExceptionState&);
static ScriptPromise createImageBitmap(EventTarget*, HTMLImageElement*, int sx, int sy, int sw, int sh, ExceptionState&);
static ScriptPromise createImageBitmap(EventTarget*, HTMLVideoElement*, ExceptionState&);
static ScriptPromise createImageBitmap(EventTarget*, HTMLVideoElement*, int sx, int sy, int sw, int sh, ExceptionState&);
static ScriptPromise createImageBitmap(EventTarget*, CanvasRenderingContext2D*, ExceptionState&);
static ScriptPromise createImageBitmap(EventTarget*, CanvasRenderingContext2D*, int sx, int sy, int sw, int sh, ExceptionState&);
static ScriptPromise createImageBitmap(EventTarget*, HTMLCanvasElement*, ExceptionState&);
static ScriptPromise createImageBitmap(EventTarget*, HTMLCanvasElement*, int sx, int sy, int sw, int sh, ExceptionState&);
static ScriptPromise createImageBitmap(EventTarget*, Blob*, ExceptionState&);
static ScriptPromise createImageBitmap(EventTarget*, Blob*, int sx, int sy, int sw, int sh, ExceptionState&);
static ScriptPromise createImageBitmap(EventTarget*, ImageData*, ExceptionState&);
static ScriptPromise createImageBitmap(EventTarget*, ImageData*, int sx, int sy, int sw, int sh, ExceptionState&);
static ScriptPromise createImageBitmap(EventTarget*, ImageBitmap*, ExceptionState&);
static ScriptPromise createImageBitmap(EventTarget*, ImageBitmap*, int sx, int sy, int sw, int sh, ExceptionState&);
void didFinishLoading(ImageBitmapLoader*);
virtual ~ImageBitmapFactories() { }
private:
class ImageBitmapLoader : public RefCounted<ImageBitmapLoader>, public FileReaderLoaderClient {
public:
static PassRefPtr<ImageBitmapLoader> create(ImageBitmapFactories* factory, PassRefPtr<ScriptPromiseResolver> resolver, const IntRect& cropRect)
{
return adoptRef(new ImageBitmapLoader(factory, resolver, cropRect));
}
void loadBlobAsync(ExecutionContext*, Blob*);
~ImageBitmapLoader() { }
private:
ImageBitmapLoader(ImageBitmapFactories*, PassRefPtr<ScriptPromiseResolver>, const IntRect&);
void rejectPromise();
// FileReaderLoaderClient
virtual void didStartLoading() OVERRIDE { }
virtual void didReceiveData() OVERRIDE { }
virtual void didFinishLoading() OVERRIDE;
virtual void didFail(FileError::ErrorCode) OVERRIDE;
ScriptState* m_scriptState;
FileReaderLoader m_loader;
ImageBitmapFactories* m_factory;
RefPtr<ScriptPromiseResolver> m_resolver;
IntRect m_cropRect;
};
static const char* supplementName();
static ImageBitmapFactories* from(EventTarget*);
template <class T>
static ImageBitmapFactories* fromInternal(T*);
void addLoader(PassRefPtr<ImageBitmapLoader>);
HashSet<RefPtr<ImageBitmapLoader> > m_pendingLoaders;
};
} // namespace WebCore
#endif // ImageBitmapFactories_h
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