2 * Copyright (C) 2006 Eric Seidel <eric@webkit.org>
3 * Copyright (C) 2009 Apple Inc. All rights reserved.
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
14 * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
15 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
17 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR
18 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
19 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
20 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
21 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
22 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
23 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
24 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
30 #include "platform/graphics/Image.h"
31 #include "platform/heap/Handle.h"
32 #include "platform/weborigin/KURL.h"
39 class SVGImageChromeClient;
40 class SVGImageForContainer;
42 class SVGImage FINAL : public Image {
44 static PassRefPtr<SVGImage> create(ImageObserver* observer)
46 return adoptRef(new SVGImage(observer));
49 static bool isInSVGImage(const Node*);
51 RenderBox* embeddedContentBox() const;
53 virtual bool isSVGImage() const OVERRIDE { return true; }
54 virtual IntSize size() const OVERRIDE { return m_intrinsicSize; }
55 void setURL(const KURL& url) { m_url = url; }
57 virtual bool currentFrameHasSingleSecurityOrigin() const OVERRIDE;
59 virtual void startAnimation(CatchUpAnimation = CatchUp) OVERRIDE;
60 virtual void stopAnimation() OVERRIDE;
61 virtual void resetAnimation() OVERRIDE;
63 virtual PassRefPtr<NativeImageSkia> nativeImageForCurrentFrame() OVERRIDE;
65 // Returns the SVG image document's frame.
66 FrameView* frameView() const;
68 // Does the SVG image/document contain any animations?
69 bool hasAnimations() const;
72 friend class AXRenderObject;
73 friend class SVGImageChromeClient;
74 friend class SVGImageForContainer;
79 virtual String filenameExtension() const OVERRIDE;
81 virtual void setContainerSize(const IntSize&) OVERRIDE;
82 IntSize containerSize() const;
83 virtual bool usesContainerSize() const OVERRIDE { return true; }
84 virtual void computeIntrinsicDimensions(Length& intrinsicWidth, Length& intrinsicHeight, FloatSize& intrinsicRatio) OVERRIDE;
86 virtual bool dataChanged(bool allDataReceived) OVERRIDE;
88 // FIXME: SVGImages are underreporting decoded sizes and will be unable
89 // to prune because these functions are not implemented yet.
90 virtual void destroyDecodedData(bool) OVERRIDE { }
92 // FIXME: Implement this to be less conservative.
93 virtual bool currentFrameKnownToBeOpaque() OVERRIDE { return false; }
95 SVGImage(ImageObserver*);
96 virtual void draw(GraphicsContext*, const FloatRect& fromRect, const FloatRect& toRect, CompositeOperator, blink::WebBlendMode) OVERRIDE;
97 void drawForContainer(GraphicsContext*, const FloatSize, float, const FloatRect&, const FloatRect&, CompositeOperator, blink::WebBlendMode);
98 void drawPatternForContainer(GraphicsContext*, const FloatSize, float, const FloatRect&, const FloatSize&, const FloatPoint&,
99 CompositeOperator, const FloatRect&, blink::WebBlendMode, const IntSize& repeatSpacing);
101 OwnPtr<SVGImageChromeClient> m_chromeClient;
102 OwnPtrWillBePersistent<Page> m_page;
103 IntSize m_intrinsicSize;
107 DEFINE_IMAGE_TYPE_CASTS(SVGImage);
109 class ImageObserverDisabler {
110 WTF_MAKE_NONCOPYABLE(ImageObserverDisabler);
112 ImageObserverDisabler(Image* image)
115 ASSERT(m_image->imageObserver());
116 m_observer = m_image->imageObserver();
117 m_image->setImageObserver(0);
120 ~ImageObserverDisabler()
122 m_image->setImageObserver(m_observer);
126 ImageObserver* m_observer;