| /* |
| * 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/platform/Supplementable.h" |
| #include "core/platform/graphics/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 ScriptExecutionContext; |
| |
| class ImageBitmapFactories : public Supplement<DOMWindow>, public Supplement<ScriptExecutionContext> { |
| |
| 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(ScriptExecutionContext*, 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 |