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/*
* Copyright (C) 2006 Eric Seidel <eric@webkit.org>
* Copyright (C) 2009 Apple 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 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 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 SVGImage_h
#define SVGImage_h
#include "platform/graphics/Image.h"
namespace WebCore {
class Element;
class FrameView;
class ImageBuffer;
class Page;
class RenderBox;
class SVGImageChromeClient;
class SVGImageForContainer;
class SVGImage : public Image {
public:
static PassRefPtr<SVGImage> create(ImageObserver* observer)
{
return adoptRef(new SVGImage(observer));
}
static bool isInSVGImage(const Element*);
RenderBox* embeddedContentBox() const;
virtual bool isSVGImage() const OVERRIDE { return true; }
virtual IntSize size() const OVERRIDE { return m_intrinsicSize; }
virtual bool currentFrameHasSingleSecurityOrigin() const OVERRIDE;
virtual bool hasRelativeWidth() const OVERRIDE;
virtual bool hasRelativeHeight() const OVERRIDE;
virtual void startAnimation(bool /*catchUpIfNecessary*/ = true) OVERRIDE;
virtual void stopAnimation() OVERRIDE;
virtual void resetAnimation() OVERRIDE;
virtual PassRefPtr<NativeImageSkia> nativeImageForCurrentFrame() OVERRIDE;
private:
friend class AXRenderObject;
friend class SVGImageChromeClient;
friend class SVGImageForContainer;
virtual ~SVGImage();
// Returns the SVG image document's frame.
FrameView* frameView() const;
virtual String filenameExtension() const OVERRIDE;
virtual void setContainerSize(const IntSize&) OVERRIDE;
IntSize containerSize() const;
virtual bool usesContainerSize() const OVERRIDE { return true; }
virtual void computeIntrinsicDimensions(Length& intrinsicWidth, Length& intrinsicHeight, FloatSize& intrinsicRatio) OVERRIDE;
virtual bool dataChanged(bool allDataReceived) OVERRIDE;
// FIXME: SVGImages are underreporting decoded sizes and will be unable
// to prune because these functions are not implemented yet.
virtual void destroyDecodedData(bool) OVERRIDE { }
// FIXME: Implement this to be less conservative.
virtual bool currentFrameKnownToBeOpaque() OVERRIDE { return false; }
SVGImage(ImageObserver*);
virtual void draw(GraphicsContext*, const FloatRect& fromRect, const FloatRect& toRect, CompositeOperator, blink::WebBlendMode) OVERRIDE;
void drawForContainer(GraphicsContext*, const FloatSize, float, const FloatRect&, const FloatRect&, CompositeOperator, blink::WebBlendMode);
void drawPatternForContainer(GraphicsContext*, const FloatSize, float, const FloatRect&, const FloatSize&, const FloatPoint&,
CompositeOperator, const FloatRect&, blink::WebBlendMode, const IntSize& repeatSpacing);
OwnPtr<SVGImageChromeClient> m_chromeClient;
OwnPtr<Page> m_page;
IntSize m_intrinsicSize;
};
DEFINE_IMAGE_TYPE_CASTS(SVGImage);
class ImageObserverDisabler {
WTF_MAKE_NONCOPYABLE(ImageObserverDisabler);
public:
ImageObserverDisabler(Image* image)
: m_image(image)
{
ASSERT(m_image->imageObserver());
m_observer = m_image->imageObserver();
m_image->setImageObserver(0);
}
~ImageObserverDisabler()
{
m_image->setImageObserver(m_observer);
}
private:
Image* m_image;
ImageObserver* m_observer;
};
}
#endif // SVGImage_h
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