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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 "modules/mediacapturefromelement/HTMLCanvasElementCapture.h" | 5 #include "modules/mediacapturefromelement/HTMLCanvasElementCapture.h" |
| 6 | 6 |
| 7 #include "core/dom/ExceptionCode.h" | 7 #include "core/dom/ExceptionCode.h" |
| 8 #include "core/html/HTMLCanvasElement.h" | 8 #include "core/html/HTMLCanvasElement.h" |
| 9 #include "modules/mediacapturefromelement/CanvasCaptureMediaStreamTrack.h" | 9 #include "modules/mediacapturefromelement/CanvasCaptureMediaStreamTrack.h" |
| 10 #include "modules/mediastream/MediaStream.h" | 10 #include "modules/mediastream/MediaStream.h" |
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| 49 ExceptionState& exceptionState) { | 49 ExceptionState& exceptionState) { |
| 50 if (!element.originClean()) { | 50 if (!element.originClean()) { |
| 51 exceptionState.throwSecurityError("Canvas is not origin-clean."); | 51 exceptionState.throwSecurityError("Canvas is not origin-clean."); |
| 52 return nullptr; | 52 return nullptr; |
| 53 } | 53 } |
| 54 | 54 |
| 55 WebMediaStreamTrack track; | 55 WebMediaStreamTrack track; |
| 56 const WebSize size(element.width(), element.height()); | 56 const WebSize size(element.width(), element.height()); |
| 57 std::unique_ptr<WebCanvasCaptureHandler> handler; | 57 std::unique_ptr<WebCanvasCaptureHandler> handler; |
| 58 if (givenFrameRate) | 58 if (givenFrameRate) |
| 59 handler = wrapUnique(Platform::current()->createCanvasCaptureHandler( | 59 handler = WTF::wrapUnique(Platform::current()->createCanvasCaptureHandler( |
| 60 size, frameRate, &track)); | 60 size, frameRate, &track)); |
| 61 else | 61 else |
| 62 handler = wrapUnique(Platform::current()->createCanvasCaptureHandler( | 62 handler = WTF::wrapUnique(Platform::current()->createCanvasCaptureHandler( |
| 63 size, kDefaultFrameRate, &track)); | 63 size, kDefaultFrameRate, &track)); |
| 64 | 64 |
| 65 if (!handler) { | 65 if (!handler) { |
| 66 exceptionState.throwDOMException( | 66 exceptionState.throwDOMException( |
| 67 NotSupportedError, "No CanvasCapture handler can be created."); | 67 NotSupportedError, "No CanvasCapture handler can be created."); |
| 68 return nullptr; | 68 return nullptr; |
| 69 } | 69 } |
| 70 | 70 |
| 71 CanvasCaptureMediaStreamTrack* canvasTrack; | 71 CanvasCaptureMediaStreamTrack* canvasTrack; |
| 72 if (givenFrameRate) | 72 if (givenFrameRate) |
| 73 canvasTrack = CanvasCaptureMediaStreamTrack::create( | 73 canvasTrack = CanvasCaptureMediaStreamTrack::create( |
| 74 track, &element, std::move(handler), frameRate); | 74 track, &element, std::move(handler), frameRate); |
| 75 else | 75 else |
| 76 canvasTrack = CanvasCaptureMediaStreamTrack::create(track, &element, | 76 canvasTrack = CanvasCaptureMediaStreamTrack::create(track, &element, |
| 77 std::move(handler)); | 77 std::move(handler)); |
| 78 // We want to capture a frame in the beginning. | 78 // We want to capture a frame in the beginning. |
| 79 canvasTrack->requestFrame(); | 79 canvasTrack->requestFrame(); |
| 80 | 80 |
| 81 MediaStreamTrackVector tracks; | 81 MediaStreamTrackVector tracks; |
| 82 tracks.append(canvasTrack); | 82 tracks.append(canvasTrack); |
| 83 return MediaStream::create(element.getExecutionContext(), tracks); | 83 return MediaStream::create(element.getExecutionContext(), tracks); |
| 84 } | 84 } |
| 85 | 85 |
| 86 } // namespace blink | 86 } // namespace blink |
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