third_party/WebKit/Source/core/html/canvas/CanvasAsyncBlobCreator.h - Issue 2065913003: Allow prolonged CanvasAsyncBlobCreator lifetime, avoid indirect leaks.

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Issue 2065913003: Allow prolonged CanvasAsyncBlobCreator lifetime, avoid indirect leaks. (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master

Patch Set: Created 4 years, 6 months ago

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1 // Copyright 2015 The Chromium Authors. All rights reserved.	1 // Copyright 2015 The Chromium Authors. All rights reserved.

2 // Use of this source code is governed by a BSD-style license that can be	2 // Use of this source code is governed by a BSD-style license that can be

3 // found in the LICENSE file.	3 // found in the LICENSE file.

4	4

5 #include "core/CoreExport.h"	5 #include "core/CoreExport.h"

6 #include "core/dom/DOMTypedArray.h"	6 #include "core/dom/DOMTypedArray.h"

7 #include "core/fileapi/BlobCallback.h"	7 #include "core/fileapi/BlobCallback.h"

8 #include "platform/geometry/IntSize.h"	8 #include "platform/geometry/IntSize.h"

9 #include "platform/heap/Handle.h"	9 #include "platform/heap/Handle.h"

10 #include "wtf/OwnPtr.h"	10 #include "wtf/OwnPtr.h"

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57 virtual void createBlobAndInvokeCallback();	57 virtual void createBlobAndInvokeCallback();

58 virtual void createNullAndInvokeCallback();	58 virtual void createNullAndInvokeCallback();

59	59

60 void initiatePngEncoding(double deadlineSeconds);	60 void initiatePngEncoding(double deadlineSeconds);

61 void initiateJpegEncoding(const double& quality, double deadlineSeconds);	61 void initiateJpegEncoding(const double& quality, double deadlineSeconds);

62 IdleTaskStatus m_idleTaskStatus;	62 IdleTaskStatus m_idleTaskStatus;

63	63

64 private:	64 private:

65 friend class CanvasAsyncBlobCreatorTest;	65 friend class CanvasAsyncBlobCreatorTest;

66	66

	67 void dispose();

	68

67 OwnPtr<PNGImageEncoderState> m_pngEncoderState;	69 OwnPtr<PNGImageEncoderState> m_pngEncoderState;

68 OwnPtr<JPEGImageEncoderState> m_jpegEncoderState;	70 OwnPtr<JPEGImageEncoderState> m_jpegEncoderState;

69 Member<DOMUint8ClampedArray> m_data;	71 Member<DOMUint8ClampedArray> m_data;

70 OwnPtr<Vector<unsigned char>> m_encodedImage;	72 OwnPtr<Vector<unsigned char>> m_encodedImage;

71 int m_numRowsCompleted;	73 int m_numRowsCompleted;

72	74

73 const IntSize m_size;	75 const IntSize m_size;

74 size_t m_pixelRowStride;	76 size_t m_pixelRowStride;

75 const MimeType m_mimeType;	77 const MimeType m_mimeType;

76 Member<BlobCallback> m_callback;	78 Member<BlobCallback> m_callback;

77	79

78 // PNG	80 // PNG

79 bool initializePngStruct();	81 bool initializePngStruct();

80 void encodeRowsPngOnMainThread(); // Similar to idleEncodeRowsPng without de adline	82 void encodeRowsPngOnMainThread(); // Similar to idleEncodeRowsPng without de adline

81	83

82 // JPEG	84 // JPEG

83 bool initializeJpegStruct(double quality);	85 bool initializeJpegStruct(double quality);

84 void encodeRowsJpegOnMainThread(); // Similar to idleEncodeRowsJpeg without deadline	86 void encodeRowsJpegOnMainThread(); // Similar to idleEncodeRowsJpeg without deadline

85	87

86 // WEBP	88 // WEBP

87 void encodeImageOnEncoderThread(double quality);	89 void encodeImageOnEncoderThread(double quality);

88	90

89 void idleTaskStartTimeoutEvent(double quality);	91 void idleTaskStartTimeoutEvent(double quality);

90 void idleTaskCompleteTimeoutEvent();	92 void idleTaskCompleteTimeoutEvent();

91 };	93 };

92	94

93 } // namespace blink	95 } // namespace blink

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