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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" |
11 #include "wtf/Vector.h" | 11 #include "wtf/Vector.h" |
12 #include "wtf/text/WTFString.h" | 12 #include "wtf/text/WTFString.h" |
13 | 13 |
14 namespace blink { | 14 namespace blink { |
15 | 15 |
16 class PNGImageEncoderState; | 16 class PNGImageEncoderState; |
17 class JPEGImageEncoderState; | 17 class JPEGImageEncoderState; |
18 | 18 |
19 class CORE_EXPORT CanvasAsyncBlobCreator : public GarbageCollectedFinalized<Canv asAsyncBlobCreator> { | 19 class CORE_EXPORT CanvasAsyncBlobCreator : public GarbageCollectedFinalized<Canv asAsyncBlobCreator> { |
20 public: | 20 public: |
21 static CanvasAsyncBlobCreator* create(DOMUint8ClampedArray* unpremultipliedR GBAImageData, const String& mimeType, const IntSize&, BlobCallback*); | 21 static CanvasAsyncBlobCreator* create(DOMUint8ClampedArray* unpremultipliedR GBAImageData, const String& mimeType, const IntSize&, BlobCallback*, double); |
22 void scheduleAsyncBlobCreation(bool canUseIdlePeriodScheduling, const double & quality = 0.0); | 22 void scheduleAsyncBlobCreation(bool canUseIdlePeriodScheduling, const double & quality = 0.0); |
23 virtual ~CanvasAsyncBlobCreator(); | 23 virtual ~CanvasAsyncBlobCreator(); |
24 enum MimeType { | 24 enum MimeType { |
25 MimeTypePng, | 25 MimeTypePng, |
26 MimeTypeJpeg, | 26 MimeTypeJpeg, |
27 MimeTypeWebp, | 27 MimeTypeWebp, |
28 NumberOfMimeTypeSupported | 28 NumberOfMimeTypeSupported |
29 }; | 29 }; |
30 enum IdleTaskStatus { | 30 enum IdleTaskStatus { |
31 IdleTaskNotStarted, | 31 IdleTaskNotStarted, |
32 IdleTaskStarted, | 32 IdleTaskStarted, |
33 IdleTaskCompleted, | 33 IdleTaskCompleted, |
34 IdleTaskFailed, | 34 IdleTaskFailed, |
35 IdleTaskSwitchedToMainThreadTask, | 35 IdleTaskSwitchedToMainThreadTask, |
36 IdleTaskNotSupported // Idle tasks are not implemented for some image ty pes | 36 IdleTaskNotSupported // Idle tasks are not implemented for some image ty pes |
37 }; | 37 }; |
38 // enum used histogram | |
39 enum IdleTaskTimeoutType { | |
Justin Novosad
2016/06/07 21:43:44
I find these enum names a bit hard to interpret. W
| |
40 IdleTaskStartTimeout, | |
41 IdleTaskCompleteTimeout, | |
42 IdleTaskTimeoutSupported | |
43 }; | |
38 // Methods are virtual for mocking in unit tests | 44 // Methods are virtual for mocking in unit tests |
39 virtual void signalTaskSwitchInStartTimeoutEventForTesting() { } | 45 virtual void signalTaskSwitchInStartTimeoutEventForTesting() { } |
40 virtual void signalTaskSwitchInCompleteTimeoutEventForTesting() { } | 46 virtual void signalTaskSwitchInCompleteTimeoutEventForTesting() { } |
41 | 47 |
42 DEFINE_INLINE_VIRTUAL_TRACE() | 48 DEFINE_INLINE_VIRTUAL_TRACE() |
43 { | 49 { |
44 visitor->trace(m_data); | 50 visitor->trace(m_data); |
45 } | 51 } |
46 | 52 |
47 protected: | 53 protected: |
48 CanvasAsyncBlobCreator(DOMUint8ClampedArray* data, MimeType, const IntSize&, BlobCallback*); | 54 CanvasAsyncBlobCreator(DOMUint8ClampedArray* data, MimeType, const IntSize&, BlobCallback*, double); |
49 // Methods are virtual for unit testing | 55 // Methods are virtual for unit testing |
50 virtual void scheduleInitiatePngEncoding(); | 56 virtual void scheduleInitiatePngEncoding(); |
51 virtual void scheduleInitiateJpegEncoding(const double&); | 57 virtual void scheduleInitiateJpegEncoding(const double&); |
52 virtual void idleEncodeRowsPng(double deadlineSeconds); | 58 virtual void idleEncodeRowsPng(double deadlineSeconds); |
53 virtual void idleEncodeRowsJpeg(double deadlineSeconds); | 59 virtual void idleEncodeRowsJpeg(double deadlineSeconds); |
54 virtual void postDelayedTaskToMainThread(const WebTraceLocation&, std::uniqu e_ptr<SameThreadClosure>, double delayMs); | 60 virtual void postDelayedTaskToMainThread(const WebTraceLocation&, std::uniqu e_ptr<SameThreadClosure>, double delayMs); |
55 virtual void signalAlternativeCodePathFinishedForTesting() { } | 61 virtual void signalAlternativeCodePathFinishedForTesting() { } |
56 virtual void createBlobAndInvokeCallback(); | 62 virtual void createBlobAndInvokeCallback(); |
57 virtual void createNullAndInvokeCallback(); | 63 virtual void createNullAndInvokeCallback(); |
58 | 64 |
59 void initiatePngEncoding(double deadlineSeconds); | 65 void initiatePngEncoding(double deadlineSeconds); |
60 void initiateJpegEncoding(const double& quality, double deadlineSeconds); | 66 void initiateJpegEncoding(const double& quality, double deadlineSeconds); |
61 IdleTaskStatus m_idleTaskStatus; | 67 IdleTaskStatus m_idleTaskStatus; |
62 | 68 |
63 private: | 69 private: |
64 friend class CanvasAsyncBlobCreatorTest; | 70 friend class CanvasAsyncBlobCreatorTest; |
65 | 71 |
66 OwnPtr<PNGImageEncoderState> m_pngEncoderState; | 72 OwnPtr<PNGImageEncoderState> m_pngEncoderState; |
67 OwnPtr<JPEGImageEncoderState> m_jpegEncoderState; | 73 OwnPtr<JPEGImageEncoderState> m_jpegEncoderState; |
68 Member<DOMUint8ClampedArray> m_data; | 74 Member<DOMUint8ClampedArray> m_data; |
69 OwnPtr<Vector<unsigned char>> m_encodedImage; | 75 OwnPtr<Vector<unsigned char>> m_encodedImage; |
70 int m_numRowsCompleted; | 76 int m_numRowsCompleted; |
71 | 77 |
72 const IntSize m_size; | 78 const IntSize m_size; |
73 size_t m_pixelRowStride; | 79 size_t m_pixelRowStride; |
74 const MimeType m_mimeType; | 80 const MimeType m_mimeType; |
75 CrossThreadPersistent<BlobCallback> m_callback; | 81 CrossThreadPersistent<BlobCallback> m_callback; |
82 double m_startTime; | |
83 void recordTimeoutSwitch(IdleTaskTimeoutType); | |
76 | 84 |
77 // PNG | 85 // PNG |
78 bool initializePngStruct(); | 86 bool initializePngStruct(); |
79 void encodeRowsPngOnMainThread(); // Similar to idleEncodeRowsPng without de adline | 87 void encodeRowsPngOnMainThread(); // Similar to idleEncodeRowsPng without de adline |
80 | 88 |
81 // JPEG | 89 // JPEG |
82 bool initializeJpegStruct(double quality); | 90 bool initializeJpegStruct(double quality); |
83 void encodeRowsJpegOnMainThread(); // Similar to idleEncodeRowsJpeg without deadline | 91 void encodeRowsJpegOnMainThread(); // Similar to idleEncodeRowsJpeg without deadline |
84 | 92 |
85 // WEBP | 93 // WEBP |
86 void encodeImageOnEncoderThread(double quality); | 94 void encodeImageOnEncoderThread(double quality); |
87 | 95 |
88 void idleTaskStartTimeoutEvent(double quality); | 96 void idleTaskStartTimeoutEvent(double quality, double startTime); |
89 void idleTaskCompleteTimeoutEvent(); | 97 void idleTaskCompleteTimeoutEvent(double startTime); |
90 }; | 98 }; |
91 | 99 |
92 } // namespace blink | 100 } // namespace blink |
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