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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/Vector.h" | 10 #include "wtf/Vector.h" |
11 #include "wtf/text/WTFString.h" | 11 #include "wtf/text/WTFString.h" |
12 #include <memory> | 12 #include <memory> |
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 used in histogram | |
Ilya Sherman
2016/06/29 22:01:02
nit: Suggested phrasing: "This enum is used to bac
xidachen
2016/06/30 01:53:38
Done.
| |
30 enum IdleTaskStatus { | 31 enum IdleTaskStatus { |
31 IdleTaskNotStarted, | 32 IdleTaskNotStarted, |
32 IdleTaskStarted, | 33 IdleTaskStarted, |
33 IdleTaskCompleted, | 34 IdleTaskCompleted, |
34 IdleTaskFailed, | 35 IdleTaskFailed, |
35 IdleTaskSwitchedToMainThreadTask, | 36 IdleTaskSwitchedToMainThreadTask, |
36 IdleTaskNotSupported // Idle tasks are not implemented for some image ty pes | 37 IdleTaskNotSupported, // Idle tasks are not implemented for some image t ypes |
38 IdleTaskNotUsed, // Should not be seen in production | |
Ilya Sherman
2016/06/29 22:01:02
nit: I'd name this "IdleTaskCount", which more cle
xidachen
2016/06/30 01:53:38
Done.
| |
37 }; | 39 }; |
38 // Methods are virtual for mocking in unit tests | 40 // Methods are virtual for mocking in unit tests |
39 virtual void signalTaskSwitchInStartTimeoutEventForTesting() { } | 41 virtual void signalTaskSwitchInStartTimeoutEventForTesting() { } |
40 virtual void signalTaskSwitchInCompleteTimeoutEventForTesting() { } | 42 virtual void signalTaskSwitchInCompleteTimeoutEventForTesting() { } |
41 | 43 |
42 DEFINE_INLINE_VIRTUAL_TRACE() | 44 DEFINE_INLINE_VIRTUAL_TRACE() |
43 { | 45 { |
44 visitor->trace(m_data); | 46 visitor->trace(m_data); |
45 visitor->trace(m_callback); | 47 visitor->trace(m_callback); |
46 } | 48 } |
47 | 49 |
48 protected: | 50 protected: |
49 CanvasAsyncBlobCreator(DOMUint8ClampedArray* data, MimeType, const IntSize&, BlobCallback*); | 51 CanvasAsyncBlobCreator(DOMUint8ClampedArray* data, MimeType, const IntSize&, BlobCallback*, double); |
50 // Methods are virtual for unit testing | 52 // Methods are virtual for unit testing |
51 virtual void scheduleInitiatePngEncoding(); | 53 virtual void scheduleInitiatePngEncoding(); |
52 virtual void scheduleInitiateJpegEncoding(const double&); | 54 virtual void scheduleInitiateJpegEncoding(const double&); |
53 virtual void idleEncodeRowsPng(double deadlineSeconds); | 55 virtual void idleEncodeRowsPng(double deadlineSeconds); |
54 virtual void idleEncodeRowsJpeg(double deadlineSeconds); | 56 virtual void idleEncodeRowsJpeg(double deadlineSeconds); |
55 virtual void postDelayedTaskToMainThread(const WebTraceLocation&, std::uniqu e_ptr<SameThreadClosure>, double delayMs); | 57 virtual void postDelayedTaskToMainThread(const WebTraceLocation&, std::uniqu e_ptr<SameThreadClosure>, double delayMs); |
56 virtual void signalAlternativeCodePathFinishedForTesting() { } | 58 virtual void signalAlternativeCodePathFinishedForTesting() { } |
57 virtual void createBlobAndInvokeCallback(); | 59 virtual void createBlobAndInvokeCallback(); |
58 virtual void createNullAndInvokeCallback(); | 60 virtual void createNullAndInvokeCallback(); |
59 | 61 |
60 void initiatePngEncoding(double deadlineSeconds); | 62 void initiatePngEncoding(double deadlineSeconds); |
61 void initiateJpegEncoding(const double& quality, double deadlineSeconds); | 63 void initiateJpegEncoding(const double& quality, double deadlineSeconds); |
62 IdleTaskStatus m_idleTaskStatus; | 64 IdleTaskStatus m_idleTaskStatus; |
63 | 65 |
64 private: | 66 private: |
65 friend class CanvasAsyncBlobCreatorTest; | 67 friend class CanvasAsyncBlobCreatorTest; |
66 | 68 |
67 void dispose(); | 69 void dispose(); |
68 | 70 |
69 std::unique_ptr<PNGImageEncoderState> m_pngEncoderState; | 71 std::unique_ptr<PNGImageEncoderState> m_pngEncoderState; |
70 std::unique_ptr<JPEGImageEncoderState> m_jpegEncoderState; | 72 std::unique_ptr<JPEGImageEncoderState> m_jpegEncoderState; |
71 Member<DOMUint8ClampedArray> m_data; | 73 Member<DOMUint8ClampedArray> m_data; |
72 std::unique_ptr<Vector<unsigned char>> m_encodedImage; | 74 std::unique_ptr<Vector<unsigned char>> m_encodedImage; |
73 int m_numRowsCompleted; | 75 int m_numRowsCompleted; |
74 | 76 |
75 const IntSize m_size; | 77 const IntSize m_size; |
76 size_t m_pixelRowStride; | 78 size_t m_pixelRowStride; |
77 const MimeType m_mimeType; | 79 const MimeType m_mimeType; |
78 Member<BlobCallback> m_callback; | 80 Member<BlobCallback> m_callback; |
81 double m_startTime; | |
82 double m_scheduleInitiateStartTime; | |
83 double m_elapsedTime; | |
79 | 84 |
80 // PNG | 85 // PNG |
81 bool initializePngStruct(); | 86 bool initializePngStruct(); |
82 void encodeRowsPngOnMainThread(); // Similar to idleEncodeRowsPng without de adline | 87 void encodeRowsPngOnMainThread(); // Similar to idleEncodeRowsPng without de adline |
83 | 88 |
84 // JPEG | 89 // JPEG |
85 bool initializeJpegStruct(double quality); | 90 bool initializeJpegStruct(double quality); |
86 void encodeRowsJpegOnMainThread(); // Similar to idleEncodeRowsJpeg without deadline | 91 void encodeRowsJpegOnMainThread(); // Similar to idleEncodeRowsJpeg without deadline |
87 | 92 |
88 // WEBP | 93 // WEBP |
89 void encodeImageOnEncoderThread(double quality); | 94 void encodeImageOnEncoderThread(double quality); |
90 | 95 |
91 void idleTaskStartTimeoutEvent(double quality); | 96 void idleTaskStartTimeoutEvent(double quality); |
92 void idleTaskCompleteTimeoutEvent(); | 97 void idleTaskCompleteTimeoutEvent(); |
98 void recordIdleTaskStatusHistogram(); | |
93 }; | 99 }; |
94 | 100 |
95 } // namespace blink | 101 } // namespace blink |
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