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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/core/v8/ScriptPromise.h"
#include "bindings/core/v8/ScriptPromiseResolver.h"
#include "bindings/core/v8/ScriptState.h"
#include "bindings/core/v8/UnionTypesCore.h"
#include "core/fileapi/FileReaderLoader.h"
#include "core/fileapi/FileReaderLoaderClient.h"
#include "platform/Supplementable.h"
#include "platform/geometry/IntRect.h"
namespace blink {
class ImageBitmapSource;
class Blob;
class EventTarget;
class ExceptionState;
class ExecutionContext;
typedef HTMLImageElementOrHTMLVideoElementOrHTMLCanvasElementOrBlobOrImageDataOrImageBitmap ImageBitmapSourceUnion;
class ImageBitmapFactories final : public NoBaseWillBeGarbageCollectedFinalized<ImageBitmapFactories>, public WillBeHeapSupplement<LocalDOMWindow>, public WillBeHeapSupplement<WorkerGlobalScope> {
WILL_BE_USING_GARBAGE_COLLECTED_MIXIN(ImageBitmapFactories);
USING_FAST_MALLOC_WILL_BE_REMOVED(ImageBitmapFactories);
public:
static ScriptPromise createImageBitmap(ScriptState*, EventTarget&, const ImageBitmapSourceUnion&, ExceptionState&);
static ScriptPromise createImageBitmap(ScriptState*, EventTarget&, const ImageBitmapSourceUnion&, int sx, int sy, int sw, int sh, ExceptionState&);
static ScriptPromise createImageBitmap(ScriptState*, EventTarget&, ImageBitmapSource*, int sx, int sy, int sw, int sh, ExceptionState&);
virtual ~ImageBitmapFactories() { }
DECLARE_TRACE();
protected:
static const char* supplementName();
private:
class ImageBitmapLoader final : public GarbageCollectedFinalized<ImageBitmapLoader>, public FileReaderLoaderClient {
public:
static ImageBitmapLoader* create(ImageBitmapFactories& factory, const IntRect& cropRect, ScriptState* scriptState)
{
return new ImageBitmapLoader(factory, cropRect, scriptState);
}
void loadBlobAsync(ExecutionContext*, Blob*);
ScriptPromise promise() { return m_resolver->promise(); }
DECLARE_TRACE();
~ImageBitmapLoader() override { }
private:
ImageBitmapLoader(ImageBitmapFactories&, const IntRect&, ScriptState*);
void rejectPromise();
// FileReaderLoaderClient
void didStartLoading() override { }
void didReceiveData() override { }
void didFinishLoading() override;
void didFail(FileError::ErrorCode) override;
FileReaderLoader m_loader;
RawPtrWillBeMember<ImageBitmapFactories> m_factory;
Member<ScriptPromiseResolver> m_resolver;
IntRect m_cropRect;
};
static ImageBitmapFactories& from(EventTarget&);
template<class GlobalObject>
static ImageBitmapFactories& fromInternal(GlobalObject&);
void addLoader(ImageBitmapLoader*);
void didFinishLoading(ImageBitmapLoader*);
PersistentHeapHashSetWillBeHeapHashSet<Member<ImageBitmapLoader>> m_pendingLoaders;
};
} // namespace blink
#endif // ImageBitmapFactories_h