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| 1 // Copyright 2016 The Chromium Authors. All rights reserved. | 1 // Copyright 2016 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/imagecapture/ImageCapture.h" | 5 #include "modules/imagecapture/ImageCapture.h" |
| 6 | 6 |
| 7 #include "bindings/core/v8/CallbackPromiseAdapter.h" | 7 #include "bindings/core/v8/CallbackPromiseAdapter.h" |
| 8 #include "bindings/core/v8/ScriptPromiseResolver.h" | 8 #include "bindings/core/v8/ScriptPromiseResolver.h" |
| 9 #include "core/dom/DOMException.h" | 9 #include "core/dom/DOMException.h" |
| 10 #include "core/dom/ExceptionCode.h" | 10 #include "core/dom/ExceptionCode.h" |
| 11 #include "core/fileapi/Blob.h" | 11 #include "core/fileapi/Blob.h" |
| 12 #include "core/frame/ImageBitmap.h" | 12 #include "core/frame/ImageBitmap.h" |
| 13 #include "modules/EventTargetModules.h" | 13 #include "modules/EventTargetModules.h" |
| 14 #include "modules/imagecapture/MediaSettingsRange.h" | 14 #include "modules/imagecapture/MediaSettingsRange.h" |
| 15 #include "modules/imagecapture/PhotoCapabilities.h" | 15 #include "modules/imagecapture/PhotoCapabilities.h" |
| 16 #include "modules/imagecapture/PhotoSettings.h" | 16 #include "modules/imagecapture/PhotoSettings.h" |
| 17 #include "modules/mediastream/MediaStreamTrack.h" | 17 #include "modules/mediastream/MediaStreamTrack.h" |
| 18 #include "platform/mojo/MojoHelper.h" | 18 #include "platform/mojo/MojoHelper.h" |
| 19 #include "public/platform/Platform.h" | 19 #include "public/platform/Platform.h" |
| 20 #include "public/platform/ServiceRegistry.h" | 20 #include "public/platform/ServiceRegistry.h" |
| 21 #include "public/platform/WebImageCaptureFrameGrabber.h" | 21 #include "public/platform/WebImageCaptureFrameGrabber.h" |
| 22 #include "public/platform/WebMediaStreamTrack.h" | 22 #include "public/platform/WebMediaStreamTrack.h" |
| 23 #include "wtf/PtrUtil.h" |
| 23 | 24 |
| 24 namespace blink { | 25 namespace blink { |
| 25 | 26 |
| 26 namespace { | 27 namespace { |
| 27 | 28 |
| 28 const char kNoServiceError[] = "ImageCapture service unavailable."; | 29 const char kNoServiceError[] = "ImageCapture service unavailable."; |
| 29 | 30 |
| 30 bool trackIsInactive(const MediaStreamTrack& track) | 31 bool trackIsInactive(const MediaStreamTrack& track) |
| 31 { | 32 { |
| 32 // Spec instructs to return an exception if the Track's readyState() is not | 33 // Spec instructs to return an exception if the Track's readyState() is not |
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| 152 ScriptPromiseResolver* resolver = ScriptPromiseResolver::create(scriptState)
; | 153 ScriptPromiseResolver* resolver = ScriptPromiseResolver::create(scriptState)
; |
| 153 ScriptPromise promise = resolver->promise(); | 154 ScriptPromise promise = resolver->promise(); |
| 154 | 155 |
| 155 if (trackIsInactive(*m_streamTrack)) { | 156 if (trackIsInactive(*m_streamTrack)) { |
| 156 resolver->reject(DOMException::create(InvalidStateError, "The associated
Track is in an invalid state.")); | 157 resolver->reject(DOMException::create(InvalidStateError, "The associated
Track is in an invalid state.")); |
| 157 return promise; | 158 return promise; |
| 158 } | 159 } |
| 159 | 160 |
| 160 // Create |m_frameGrabber| the first time. | 161 // Create |m_frameGrabber| the first time. |
| 161 if (!m_frameGrabber) | 162 if (!m_frameGrabber) |
| 162 m_frameGrabber = adoptPtr(Platform::current()->createImageCaptureFrameGr
abber()); | 163 m_frameGrabber = wrapUnique(Platform::current()->createImageCaptureFrame
Grabber()); |
| 163 | 164 |
| 164 if (!m_frameGrabber) { | 165 if (!m_frameGrabber) { |
| 165 resolver->reject(DOMException::create(UnknownError, "Couldn't create pla
tform resources")); | 166 resolver->reject(DOMException::create(UnknownError, "Couldn't create pla
tform resources")); |
| 166 return promise; | 167 return promise; |
| 167 } | 168 } |
| 168 | 169 |
| 169 // The platform does not know about MediaStreamTrack, so we wrap it up. | 170 // The platform does not know about MediaStreamTrack, so we wrap it up. |
| 170 WebMediaStreamTrack track(m_streamTrack->component()); | 171 WebMediaStreamTrack track(m_streamTrack->component()); |
| 171 m_frameGrabber->grabFrame(&track, new CallbackPromiseAdapter<ImageBitmap, vo
id>(resolver)); | 172 m_frameGrabber->grabFrame(&track, new CallbackPromiseAdapter<ImageBitmap, vo
id>(resolver)); |
| 172 | 173 |
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| 240 | 241 |
| 241 DEFINE_TRACE(ImageCapture) | 242 DEFINE_TRACE(ImageCapture) |
| 242 { | 243 { |
| 243 visitor->trace(m_streamTrack); | 244 visitor->trace(m_streamTrack); |
| 244 visitor->trace(m_serviceRequests); | 245 visitor->trace(m_serviceRequests); |
| 245 EventTargetWithInlineData::trace(visitor); | 246 EventTargetWithInlineData::trace(visitor); |
| 246 ContextLifecycleObserver::trace(visitor); | 247 ContextLifecycleObserver::trace(visitor); |
| 247 } | 248 } |
| 248 | 249 |
| 249 } // namespace blink | 250 } // namespace blink |
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