Moving GraphicsContext and dependencies from core to platform.

Source/core/platform/graphics/ImageFrameGenerator.h

Index: Source/core/platform/graphics/ImageFrameGenerator.h
diff --git a/Source/core/platform/graphics/ImageFrameGenerator.h b/Source/core/platform/graphics/ImageFrameGenerator.h
deleted file mode 100644
index 627229de8a58afeac626baa0b8dc744ecee1dbd6..0000000000000000000000000000000000000000
--- a/Source/core/platform/graphics/ImageFrameGenerator.h
+++ /dev/null
@@ -1,118 +0,0 @@
-/*
- * Copyright (C) 2012 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:
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- * 2. 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.
- *
- * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``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 APPLE COMPUTER, INC. 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 ImageFrameGenerator_h
-#define ImageFrameGenerator_h
-
-#include "SkBitmap.h"
-#include "SkSize.h"
-#include "SkTypes.h"
-#include "platform/graphics/ThreadSafeDataTransport.h"
-#include "wtf/PassOwnPtr.h"
-#include "wtf/PassRefPtr.h"
-#include "wtf/RefCounted.h"
-#include "wtf/RefPtr.h"
-#include "wtf/ThreadingPrimitives.h"
-#include "wtf/ThreadSafeRefCounted.h"
-#include "wtf/Vector.h"
-
-namespace WebCore {
-
-class ImageDecoder;
-class ScaledImageFragment;
-class SharedBuffer;
-
-class ImageDecoderFactory {
-public:
-    virtual ~ImageDecoderFactory() { }
-    virtual PassOwnPtr<ImageDecoder> create() = 0;
-};
-
-class ImageFrameGenerator : public ThreadSafeRefCounted<ImageFrameGenerator> {
-public:
-    static PassRefPtr<ImageFrameGenerator> create(const SkISize& fullSize, PassRefPtr<SharedBuffer> data, bool allDataReceived, bool isMultiFrame = false)
-    {
-        return adoptRef(new ImageFrameGenerator(fullSize, data, allDataReceived, isMultiFrame));
-    }
-
-    ImageFrameGenerator(const SkISize& fullSize, PassRefPtr<SharedBuffer>, bool allDataReceived, bool isMultiFrame);
-    ~ImageFrameGenerator();
-
-    const ScaledImageFragment* decodeAndScale(const SkISize& scaledSize, size_t index = 0);
-
-    void setData(PassRefPtr<SharedBuffer>, bool allDataReceived);
-
-    // Creates a new SharedBuffer containing the data received so far.
-    void copyData(RefPtr<SharedBuffer>*, bool* allDataReceived);
-
-    SkISize getFullSize() const { return m_fullSize; }
-
-    bool isMultiFrame() const { return m_isMultiFrame; }
-
-    // FIXME: Return alpha state for each frame.
-    bool hasAlpha(size_t);
-
-private:
-    friend class ImageFrameGeneratorTest;
-    friend class DeferredImageDecoderTest;
-    // For testing. |factory| will overwrite the default ImageDecoder creation logic if |factory->create()| returns non-zero.
-    void setImageDecoderFactory(PassOwnPtr<ImageDecoderFactory> factory) { m_imageDecoderFactory = factory; }
-    // For testing.
-    SkBitmap::Allocator* allocator() const { return m_allocator.get(); }
-    void setAllocator(PassOwnPtr<SkBitmap::Allocator> allocator) { m_allocator = allocator; }
-
-    // These methods are called while m_decodeMutex is locked.
-    const ScaledImageFragment* tryToLockCompleteCache(const SkISize& scaledSize, size_t index);
-    const ScaledImageFragment* tryToScale(const ScaledImageFragment* fullSizeImage, const SkISize& scaledSize, size_t index);
-    const ScaledImageFragment* tryToResumeDecodeAndScale(const SkISize& scaledSize, size_t index);
-
-    // Use the given decoder to decode. If a decoder is not given then try to create one.
-    PassOwnPtr<ScaledImageFragment> decode(size_t index, ImageDecoder**);
-
-    // Return the next generation ID of a new image object. This is used
-    // to identify images of the same frame from different stages of
-    // progressive decode.
-    size_t nextGenerationId() { return m_decodeCount++; }
-
-    SkISize m_fullSize;
-    ThreadSafeDataTransport m_data;
-    bool m_isMultiFrame;
-    bool m_decodeFailedAndEmpty;
-    Vector<bool> m_hasAlpha;
-    size_t m_decodeCount;
-    OwnPtr<SkBitmap::Allocator> m_allocator;
-
-    OwnPtr<ImageDecoderFactory> m_imageDecoderFactory;
-
-    // Prevents multiple decode operations on the same data.
-    Mutex m_decodeMutex;
-
-    // Protect concurrent access to m_hasAlpha.
-    Mutex m_alphaMutex;
-};
-
-} // namespace WebCore
-
-#endif