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1 /* | 1 /* |
2 * Copyright (C) 1999 Lars Knoll (knoll@kde.org) | 2 * Copyright (C) 1999 Lars Knoll (knoll@kde.org) |
3 * (C) 1999 Antti Koivisto (koivisto@kde.org) | 3 * (C) 1999 Antti Koivisto (koivisto@kde.org) |
4 * Copyright (C) 2004, 2008, 2010 Apple Inc. All rights reserved. | 4 * Copyright (C) 2004, 2008, 2010 Apple Inc. All rights reserved. |
5 * Copyright (C) 2010 Google Inc. All rights reserved. | 5 * Copyright (C) 2010 Google Inc. All rights reserved. |
6 * | 6 * |
7 * This library is free software; you can redistribute it and/or | 7 * This library is free software; you can redistribute it and/or |
8 * modify it under the terms of the GNU Library General Public | 8 * modify it under the terms of the GNU Library General Public |
9 * License as published by the Free Software Foundation; either | 9 * License as published by the Free Software Foundation; either |
10 * version 2 of the License, or (at your option) any later version. | 10 * version 2 of the License, or (at your option) any later version. |
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27 #include "core/html/HTMLElement.h" | 27 #include "core/html/HTMLElement.h" |
28 #include "core/html/HTMLImageLoader.h" | 28 #include "core/html/HTMLImageLoader.h" |
29 #include "core/html/canvas/CanvasImageSource.h" | 29 #include "core/html/canvas/CanvasImageSource.h" |
30 #include "platform/graphics/GraphicsTypes.h" | 30 #include "platform/graphics/GraphicsTypes.h" |
31 #include "wtf/WeakPtr.h" | 31 #include "wtf/WeakPtr.h" |
32 | 32 |
33 namespace blink { | 33 namespace blink { |
34 | 34 |
35 class HTMLFormElement; | 35 class HTMLFormElement; |
36 class ImageCandidate; | 36 class ImageCandidate; |
| 37 class ShadowRoot; |
37 | 38 |
38 class HTMLImageElement final : public HTMLElement, public CanvasImageSource { | 39 class HTMLImageElement final : public HTMLElement, public CanvasImageSource { |
39 DEFINE_WRAPPERTYPEINFO(); | 40 DEFINE_WRAPPERTYPEINFO(); |
40 public: | 41 public: |
41 class ViewportChangeListener; | 42 class ViewportChangeListener; |
42 | 43 |
43 static PassRefPtrWillBeRawPtr<HTMLImageElement> create(Document&); | 44 static PassRefPtrWillBeRawPtr<HTMLImageElement> create(Document&); |
44 static PassRefPtrWillBeRawPtr<HTMLImageElement> create(Document&, HTMLFormEl
ement*, bool createdByParser); | 45 static PassRefPtrWillBeRawPtr<HTMLImageElement> create(Document&, HTMLFormEl
ement*, bool createdByParser); |
45 static PassRefPtrWillBeRawPtr<HTMLImageElement> createForJSConstructor(Docum
ent&, int width, int height); | 46 static PassRefPtrWillBeRawPtr<HTMLImageElement> createForJSConstructor(Docum
ent&, int width, int height); |
46 | 47 |
47 virtual ~HTMLImageElement(); | 48 virtual ~HTMLImageElement(); |
48 virtual void trace(Visitor*) override; | 49 virtual void trace(Visitor*) override; |
49 | 50 |
50 int width(bool ignorePendingStylesheets = false); | 51 int width(bool ignorePendingStylesheets = false); |
51 int height(bool ignorePendingStylesheets = false); | 52 int height(bool ignorePendingStylesheets = false); |
52 | 53 |
53 int naturalWidth() const; | 54 int naturalWidth() const; |
54 int naturalHeight() const; | 55 int naturalHeight() const; |
55 const String& currentSrc() const; | 56 const String& currentSrc() const; |
56 | 57 |
57 bool isServerMap() const; | 58 bool isServerMap() const; |
58 | 59 |
59 const AtomicString& altText() const; | 60 virtual String altText() const override final; |
60 | 61 |
61 ImageResource* cachedImage() const { return imageLoader().image(); } | 62 ImageResource* cachedImage() const { return imageLoader().image(); } |
62 void setImageResource(ImageResource* i) { imageLoader().setImage(i); }; | 63 void setImageResource(ImageResource* i) { imageLoader().setImage(i); }; |
63 | 64 |
64 void setLoadingImageDocument() { imageLoader().setLoadingImageDocument(); } | 65 void setLoadingImageDocument() { imageLoader().setLoadingImageDocument(); } |
65 | 66 |
66 void setHeight(int); | 67 void setHeight(int); |
67 | 68 |
68 KURL src() const; | 69 KURL src() const; |
69 void setSrc(const String&); | 70 void setSrc(const String&); |
70 | 71 |
71 void setWidth(int); | 72 void setWidth(int); |
72 | 73 |
73 int x() const; | 74 int x() const; |
74 int y() const; | 75 int y() const; |
75 | 76 |
76 bool complete() const; | 77 bool complete() const; |
77 | 78 |
78 bool hasPendingActivity() const { return imageLoader().hasPendingActivity();
} | 79 bool hasPendingActivity() const { return imageLoader().hasPendingActivity();
} |
79 | 80 |
80 virtual bool canContainRangeEndPoint() const override { return false; } | 81 virtual bool canContainRangeEndPoint() const override { return false; } |
81 | 82 |
82 void addClient(ImageLoaderClient* client) { imageLoader().addClient(client);
} | 83 void addClient(ImageLoaderClient* client) { imageLoader().addClient(client);
} |
83 void removeClient(ImageLoaderClient* client) { imageLoader().removeClient(cl
ient); } | 84 void removeClient(ImageLoaderClient* client) { imageLoader().removeClient(cl
ient); } |
84 | 85 |
85 virtual const AtomicString imageSourceURL() const override; | 86 virtual const AtomicString imageSourceURL() const override; |
86 | 87 |
87 virtual HTMLFormElement* formOwner() const override; | 88 virtual HTMLFormElement* formOwner() const override; |
88 void formRemovedFromTree(const Node& formRoot); | 89 void formRemovedFromTree(const Node& formRoot); |
| 90 virtual void ensureFallbackContent(); |
| 91 virtual void ensurePrimaryContent(); |
89 | 92 |
90 // CanvasImageSourceImplementations | 93 // CanvasImageSourceImplementations |
91 virtual PassRefPtr<Image> getSourceImageForCanvas(SourceImageMode, SourceIma
geStatus*) const override; | 94 virtual PassRefPtr<Image> getSourceImageForCanvas(SourceImageMode, SourceIma
geStatus*) const override; |
92 virtual bool wouldTaintOrigin(SecurityOrigin*) const override; | 95 virtual bool wouldTaintOrigin(SecurityOrigin*) const override; |
93 virtual FloatSize sourceSize() const override; | 96 virtual FloatSize sourceSize() const override; |
94 virtual FloatSize defaultDestinationSize() const override; | 97 virtual FloatSize defaultDestinationSize() const override; |
95 virtual const KURL& sourceURL() const override; | 98 virtual const KURL& sourceURL() const override; |
96 | 99 |
97 // public so that HTMLPictureElement can call this as well. | 100 // public so that HTMLPictureElement can call this as well. |
98 void selectSourceURL(ImageLoader::UpdateFromElementBehavior); | 101 void selectSourceURL(ImageLoader::UpdateFromElementBehavior); |
| 102 void reattachFallbackContent(); |
| 103 void setUseFallbackContent(); |
| 104 void setIsFallbackImage() { m_isFallbackImage = true; } |
| 105 |
99 protected: | 106 protected: |
100 explicit HTMLImageElement(Document&, HTMLFormElement* = 0, bool createdByPar
ser = false); | 107 explicit HTMLImageElement(Document&, HTMLFormElement* = 0, bool createdByPar
ser = false); |
101 | 108 |
102 virtual void didMoveToNewDocument(Document& oldDocument) override; | 109 virtual void didMoveToNewDocument(Document& oldDocument) override; |
| 110 virtual bool useFallbackContent() const { return m_useFallbackContent; } |
103 | 111 |
| 112 virtual void didAddUserAgentShadowRoot(ShadowRoot&) override; |
| 113 virtual PassRefPtr<RenderStyle> customStyleForRenderer() override; |
104 private: | 114 private: |
105 virtual bool areAuthorShadowsAllowed() const override { return false; } | 115 virtual bool areAuthorShadowsAllowed() const override { return false; } |
106 | 116 |
107 virtual void parseAttribute(const QualifiedName&, const AtomicString&) overr
ide; | 117 virtual void parseAttribute(const QualifiedName&, const AtomicString&) overr
ide; |
108 virtual bool isPresentationAttribute(const QualifiedName&) const override; | 118 virtual bool isPresentationAttribute(const QualifiedName&) const override; |
109 virtual void collectStyleForPresentationAttribute(const QualifiedName&, cons
t AtomicString&, MutableStylePropertySet*) override; | 119 virtual void collectStyleForPresentationAttribute(const QualifiedName&, cons
t AtomicString&, MutableStylePropertySet*) override; |
110 | 120 |
111 virtual void attach(const AttachContext& = AttachContext()) override; | 121 virtual void attach(const AttachContext& = AttachContext()) override; |
112 virtual RenderObject* createRenderer(RenderStyle*) override; | 122 virtual RenderObject* createRenderer(RenderStyle*) override; |
113 | 123 |
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139 Member<HTMLFormElement> m_form; | 149 Member<HTMLFormElement> m_form; |
140 #else | 150 #else |
141 WeakPtr<HTMLFormElement> m_form; | 151 WeakPtr<HTMLFormElement> m_form; |
142 #endif | 152 #endif |
143 AtomicString m_bestFitImageURL; | 153 AtomicString m_bestFitImageURL; |
144 float m_imageDevicePixelRatio; | 154 float m_imageDevicePixelRatio; |
145 unsigned m_formWasSetByParser : 1; | 155 unsigned m_formWasSetByParser : 1; |
146 unsigned m_elementCreatedByParser : 1; | 156 unsigned m_elementCreatedByParser : 1; |
147 // Intrinsic sizing is viewport dependant if the 'w' descriptor was used for
the picked resource. | 157 // Intrinsic sizing is viewport dependant if the 'w' descriptor was used for
the picked resource. |
148 unsigned m_intrinsicSizingViewportDependant : 1; | 158 unsigned m_intrinsicSizingViewportDependant : 1; |
| 159 unsigned m_useFallbackContent : 1; |
| 160 unsigned m_isFallbackImage : 1; |
149 }; | 161 }; |
150 | 162 |
151 } // namespace blink | 163 } // namespace blink |
152 | 164 |
153 #endif // HTMLImageElement_h | 165 #endif // HTMLImageElement_h |
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