Source/core/platform/PlatformInstrumentation.h - Issue 16878004: DevTools: add instrumentation for deferred canvas rasterization

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Issue 16878004: DevTools: add instrumentation for deferred canvas rasterization (Closed) Base URL: svn://svn.chromium.org/blink/trunk

Patch Set: Created 7 years, 6 months ago

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1 /*	1 /*

2 * Copyright (C) 2012 Google Inc. All rights reserved.	2 * Copyright (C) 2012 Google 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 are	5 * modification, are permitted provided that the following conditions are

6 * met:	6 * met:

7 *	7 *

8 * * Redistributions of source code must retain the above copyright	8 * * Redistributions of source code must retain the above copyright

9 * notice, this list of conditions and the following disclaimer.	9 * notice, this list of conditions and the following disclaimer.

10 * * Redistributions in binary form must reproduce the above	10 * * Redistributions in binary form must reproduce the above

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45 virtual void willDecodeImage(const String& imageType) = 0;	45 virtual void willDecodeImage(const String& imageType) = 0;

46 virtual void didDecodeImage() = 0;	46 virtual void didDecodeImage() = 0;

47 virtual void willResizeImage(bool shouldCache) = 0;	47 virtual void willResizeImage(bool shouldCache) = 0;

48 virtual void didResizeImage() = 0;	48 virtual void didResizeImage() = 0;

49 };	49 };

50	50

51 class PlatformInstrumentation {	51 class PlatformInstrumentation {

52 public:	52 public:

53 static const char ImageDecodeEvent[];	53 static const char ImageDecodeEvent[];

54 static const char ImageResizeEvent[];	54 static const char ImageResizeEvent[];

	55 static const char RasterizeCanvasEvent[];

55	56

56 static const char ImageTypeArgument[];	57 static const char ImageTypeArgument[];

57 static const char CachedArgument[];	58 static const char CachedArgument[];

58	59

59 static void setClient(PlatformInstrumentationClient*);	60 static void setClient(PlatformInstrumentationClient*);

60 static bool hasClient() { return m_client; }	61 static bool hasClient() { return m_client; }

61	62

62 static void willDecodeImage(const String& imageType);	63 static void willDecodeImage(const String& imageType);

63 static void didDecodeImage();	64 static void didDecodeImage();

64 static void willResizeImage(bool shouldCache);	65 static void willResizeImage(bool shouldCache);

65 static void didResizeImage();	66 static void didResizeImage();

66	67

	68 static void willRasterizeCanvas();

	69 static void didRasterizeCanvas();

	70

67 private:	71 private:

68 static const char CategoryName[];	72 static const char CategoryName[];

69	73

70 static PlatformInstrumentationClient* m_client;	74 static PlatformInstrumentationClient* m_client;

71 };	75 };

72	76

73 #define FAST_RETURN_IF_NO_CLIENT_OR_NOT_MAIN_THREAD() if (!m_client \|\| !isMainTh read()) return;	77 #define FAST_RETURN_IF_NO_CLIENT_OR_NOT_MAIN_THREAD() if (!m_client \|\| !isMainTh read()) return;

74	78

75 inline void PlatformInstrumentation::willDecodeImage(const String& imageType)	79 inline void PlatformInstrumentation::willDecodeImage(const String& imageType)

76 {	80 {

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93 m_client->willResizeImage(shouldCache);	97 m_client->willResizeImage(shouldCache);

94 }	98 }

95	99

96 inline void PlatformInstrumentation::didResizeImage()	100 inline void PlatformInstrumentation::didResizeImage()

97 {	101 {

98 TRACE_EVENT_END0(CategoryName, ImageResizeEvent);	102 TRACE_EVENT_END0(CategoryName, ImageResizeEvent);

99 FAST_RETURN_IF_NO_CLIENT_OR_NOT_MAIN_THREAD();	103 FAST_RETURN_IF_NO_CLIENT_OR_NOT_MAIN_THREAD();

100 m_client->didResizeImage();	104 m_client->didResizeImage();

101 }	105 }

102	106

	107 inline void PlatformInstrumentation::willRasterizeCanvas()

	108 {

	109 TRACE_EVENT_BEGIN0(CategoryName, RasterizeCanvasEvent);

	110 }

	111

	112 inline void PlatformInstrumentation::didRasterizeCanvas()

	113 {

	114 TRACE_EVENT_END0(CategoryName, RasterizeCanvasEvent);

	115 }

	116

103 } // namespace WebCore	117 } // namespace WebCore

104	118

105 #endif // PlatformInstrumentation_h	119 #endif // PlatformInstrumentation_h

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