1/*
2 * Copyright (C) 2006 Eric Seidel <eric@webkit.org>
3 * Copyright (C) 2009 Apple Inc. All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
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.
13 *
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.
25 */
26
27#pragma once
28
29#include "Image.h"
30#include <wtf/URL.h>
31
32namespace WebCore {
33
34class Element;
35class FrameView;
36class ImageBuffer;
37class Page;
38class RenderBox;
39class SVGSVGElement;
40class SVGImageChromeClient;
41class SVGImageForContainer;
42
43class SVGImage final : public Image {
44public:
45 static Ref<SVGImage> create(ImageObserver& observer) { return adoptRef(*new SVGImage(observer)); }
46
47 RenderBox* embeddedContentBox() const;
48 FrameView* frameView() const;
49
50 bool isSVGImage() const final { return true; }
51 FloatSize size() const final { return m_intrinsicSize; }
52
53 bool hasSingleSecurityOrigin() const final;
54
55 bool hasRelativeWidth() const final;
56 bool hasRelativeHeight() const final;
57
58 void startAnimation() final;
59 void stopAnimation() final;
60 void resetAnimation() final;
61 bool isAnimating() const final;
62
63 void scheduleStartAnimation();
64
65#if USE(CAIRO)
66 NativeImagePtr nativeImageForCurrentFrame(const GraphicsContext* = nullptr) final;
67#endif
68#if USE(DIRECT2D)
69 NativeImagePtr nativeImage(const GraphicsContext* = nullptr) final;
70#endif
71
72private:
73 friend class SVGImageChromeClient;
74 friend class SVGImageForContainer;
75
76 virtual ~SVGImage();
77
78 String filenameExtension() const final;
79
80 void setContainerSize(const FloatSize&) final;
81 IntSize containerSize() const;
82 bool usesContainerSize() const final { return true; }
83 void computeIntrinsicDimensions(Length& intrinsicWidth, Length& intrinsicHeight, FloatSize& intrinsicRatio) final;
84
85 void reportApproximateMemoryCost() const;
86 EncodedDataStatus dataChanged(bool allDataReceived) final;
87
88 // FIXME: SVGImages will be unable to prune because this function is not implemented yet.
89 void destroyDecodedData(bool) final { }
90
91 // FIXME: Implement this to be less conservative.
92 bool currentFrameKnownToBeOpaque() const final { return false; }
93
94 void startAnimationTimerFired();
95
96 explicit SVGImage(ImageObserver&);
97 ImageDrawResult draw(GraphicsContext&, const FloatRect& fromRect, const FloatRect& toRect, CompositeOperator, BlendMode, DecodingMode, ImageOrientationDescription) final;
98 ImageDrawResult drawForContainer(GraphicsContext&, const FloatSize containerSize, float containerZoom, const URL& initialFragmentURL, const FloatRect& dstRect, const FloatRect& srcRect, CompositeOperator, BlendMode);
99 void drawPatternForContainer(GraphicsContext&, const FloatSize& containerSize, float containerZoom, const URL& initialFragmentURL, const FloatRect& srcRect, const AffineTransform&, const FloatPoint& phase, const FloatSize& spacing,
100 CompositeOperator, const FloatRect&, BlendMode);
101
102 RefPtr<SVGSVGElement> rootElement() const;
103
104 std::unique_ptr<SVGImageChromeClient> m_chromeClient;
105 std::unique_ptr<Page> m_page;
106 FloatSize m_intrinsicSize;
107
108 Timer m_startAnimationTimer;
109};
110
111bool isInSVGImage(const Element*);
112
113} // namespace WebCore
114
115SPECIALIZE_TYPE_TRAITS_IMAGE(SVGImage)
116