third_party/WebKit/Source/core/html/canvas/CanvasRenderingContext.h - Issue 1815093002: Canvas2d: fix event.region being null on mouseleave/out events

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Issue 1815093002: Canvas2d: fix event.region being null on mouseleave/out events (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master

Patch Set: Created 4 years, 8 months ago

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1 /*	1 /*

2 * Copyright (C) 2009 Apple Inc. All rights reserved.	2 * Copyright (C) 2009 Apple Inc. All rights reserved.

3 *	3 *

4 * Redistribution and use in source and binary forms, with or without	4 * Redistribution and use in source and binary forms, with or without

5 * modification, are permitted provided that the following conditions	5 * modification, are permitted provided that the following conditions

6 * are met:	6 * are met:

7 * 1. Redistributions of source code must retain the above copyright	7 * 1. Redistributions of source code must retain the above copyright

8 * notice, this list of conditions and the following disclaimer.	8 * notice, this list of conditions and the following disclaimer.

9 * 2. Redistributions in binary form must reproduce the above copyright	9 * 2. Redistributions in binary form must reproduce the above copyright

10 * notice, this list of conditions and the following disclaimer in the	10 * notice, this list of conditions and the following disclaimer in the

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101 virtual bool is2d() const { return false; }	101 virtual bool is2d() const { return false; }

102 virtual void restoreCanvasMatrixClipStack(SkCanvas*) const { }	102 virtual void restoreCanvasMatrixClipStack(SkCanvas*) const { }

103 virtual void reset() { }	103 virtual void reset() { }

104 virtual void clearRect(double x, double y, double width, double height) { }	104 virtual void clearRect(double x, double y, double width, double height) { }

105 virtual void didSetSurfaceSize() { }	105 virtual void didSetSurfaceSize() { }

106 virtual void setShouldAntialias(bool) { }	106 virtual void setShouldAntialias(bool) { }

107 virtual unsigned hitRegionsCount() const { return 0; }	107 virtual unsigned hitRegionsCount() const { return 0; }

108 virtual void setFont(const String&) { }	108 virtual void setFont(const String&) { }

109 virtual void styleDidChange(const ComputedStyle* oldStyle, const ComputedSty le& newStyle) { }	109 virtual void styleDidChange(const ComputedStyle* oldStyle, const ComputedSty le& newStyle) { }

110 virtual std::pair<Element*, String> getControlAndIdIfHitRegionExists(const L ayoutPoint& location) { ASSERT_NOT_REACHED(); return std::make_pair(nullptr, Str ing()); }	110 virtual std::pair<Element*, String> getControlAndIdIfHitRegionExists(const L ayoutPoint& location) { ASSERT_NOT_REACHED(); return std::make_pair(nullptr, Str ing()); }

	111 virtual String getIdFromControl(const Element* element) { return String(); }

111	112

112 // WebGL-specific interface	113 // WebGL-specific interface

113 virtual bool is3d() const { return false; }	114 virtual bool is3d() const { return false; }

114 virtual void setFilterQuality(SkFilterQuality) { ASSERT_NOT_REACHED(); }	115 virtual void setFilterQuality(SkFilterQuality) { ASSERT_NOT_REACHED(); }

115 virtual void reshape(int width, int height) { ASSERT_NOT_REACHED(); }	116 virtual void reshape(int width, int height) { ASSERT_NOT_REACHED(); }

116 virtual void markLayerComposited() { ASSERT_NOT_REACHED(); }	117 virtual void markLayerComposited() { ASSERT_NOT_REACHED(); }

117 virtual ImageData* paintRenderingResultsToImageData(SourceDrawingBuffer) { A SSERT_NOT_REACHED(); return nullptr; }	118 virtual ImageData* paintRenderingResultsToImageData(SourceDrawingBuffer) { A SSERT_NOT_REACHED(); return nullptr; }

118 virtual int externallyAllocatedBytesPerPixel() { ASSERT_NOT_REACHED(); retur n 0; }	119 virtual int externallyAllocatedBytesPerPixel() { ASSERT_NOT_REACHED(); retur n 0; }

119	120

120 // ImageBitmap-specific interface	121 // ImageBitmap-specific interface

121 virtual bool paint(GraphicsContext&, const IntRect&) { return false; }	122 virtual bool paint(GraphicsContext&, const IntRect&) { return false; }

122	123

123 bool wouldTaintOrigin(CanvasImageSource*);	124 bool wouldTaintOrigin(CanvasImageSource*);

124 void didMoveToNewDocument(Document*);	125 void didMoveToNewDocument(Document*);

125	126

126 protected:	127 protected:

127 CanvasRenderingContext(HTMLCanvasElement*);	128 CanvasRenderingContext(HTMLCanvasElement*);

128 DECLARE_VIRTUAL_TRACE();	129 DECLARE_VIRTUAL_TRACE();

129 virtual void stop() = 0;	130 virtual void stop() = 0;

130	131

131 private:	132 private:

132 Member<HTMLCanvasElement> m_canvas;	133 Member<HTMLCanvasElement> m_canvas;

133 HashSet<String> m_cleanURLs;	134 HashSet<String> m_cleanURLs;

134 HashSet<String> m_dirtyURLs;	135 HashSet<String> m_dirtyURLs;

135 };	136 };

136	137

137 } // namespace blink	138 } // namespace blink

138	139

139 #endif	140 #endif

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