The Tor Browser / file comparison
comparison: dom/camera/CameraControlImpl.h
dom/camera/CameraControlImpl.h
- branch
- TOR_BUG_9701
- changeset 9
- a63d609f5ebe
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| -1:000000000000 | 0:7d1755784469 |
|---|---|
| 1 /* This Source Code Form is subject to the terms of the Mozilla Public | |
| 2 * License, v. 2.0. If a copy of the MPL was not distributed with this file, | |
| 3 * You can obtain one at http://mozilla.org/MPL/2.0/. */ | |
| 4 | |
| 5 #ifndef DOM_CAMERA_CAMERACONTROLIMPL_H | |
| 6 #define DOM_CAMERA_CAMERACONTROLIMPL_H | |
| 7 | |
| 8 #include "nsTArray.h" | |
| 9 #include "nsWeakPtr.h" | |
| 10 #include "mozilla/Attributes.h" | |
| 11 #include "mozilla/ReentrantMonitor.h" | |
| 12 #include "nsIFile.h" | |
| 13 #include "nsProxyRelease.h" | |
| 14 #include "AutoRwLock.h" | |
| 15 #include "nsIDOMDeviceStorage.h" | |
| 16 #include "ICameraControl.h" | |
| 17 #include "CameraCommon.h" | |
| 18 #include "DeviceStorage.h" | |
| 19 #include "DeviceStorageFileDescriptor.h" | |
| 20 #include "CameraControlListener.h" | |
| 21 | |
| 22 namespace mozilla { | |
| 23 | |
| 24 namespace layers { | |
| 25 class Image; | |
| 26 } | |
| 27 | |
| 28 class RecorderProfileManager; | |
| 29 | |
| 30 class CameraControlImpl : public ICameraControl | |
| 31 { | |
| 32 public: | |
| 33 CameraControlImpl(uint32_t aCameraId); | |
| 34 virtual void AddListener(CameraControlListener* aListener) MOZ_OVERRIDE; | |
| 35 virtual void RemoveListener(CameraControlListener* aListener) MOZ_OVERRIDE; | |
| 36 | |
| 37 virtual nsresult Start(const Configuration* aConfig = nullptr) MOZ_OVERRIDE; | |
| 38 virtual nsresult Stop() MOZ_OVERRIDE; | |
| 39 | |
| 40 virtual nsresult SetConfiguration(const Configuration& aConfig) MOZ_OVERRIDE; | |
| 41 virtual nsresult StartPreview() MOZ_OVERRIDE; | |
| 42 virtual nsresult StopPreview() MOZ_OVERRIDE; | |
| 43 virtual nsresult AutoFocus() MOZ_OVERRIDE; | |
| 44 virtual nsresult StartFaceDetection() MOZ_OVERRIDE; | |
| 45 virtual nsresult StopFaceDetection() MOZ_OVERRIDE; | |
| 46 virtual nsresult TakePicture() MOZ_OVERRIDE; | |
| 47 virtual nsresult StartRecording(DeviceStorageFileDescriptor* aFileDescriptor, | |
| 48 const StartRecordingOptions* aOptions) MOZ_OVERRIDE; | |
| 49 virtual nsresult StopRecording() MOZ_OVERRIDE; | |
| 50 virtual nsresult ResumeContinuousFocus() MOZ_OVERRIDE; | |
| 51 | |
| 52 already_AddRefed<RecorderProfileManager> GetRecorderProfileManager(); | |
| 53 uint32_t GetCameraId() { return mCameraId; } | |
| 54 | |
| 55 virtual void Shutdown() MOZ_OVERRIDE; | |
| 56 | |
| 57 // Event handlers called directly from outside this class. | |
| 58 void OnShutter(); | |
| 59 void OnClosed(); | |
| 60 void OnError(CameraControlListener::CameraErrorContext aContext, | |
| 61 CameraControlListener::CameraError aError); | |
| 62 void OnAutoFocusMoving(bool aIsMoving); | |
| 63 | |
| 64 protected: | |
| 65 // Event handlers. | |
| 66 void OnAutoFocusComplete(bool aAutoFocusSucceeded); | |
| 67 void OnFacesDetected(const nsTArray<Face>& aFaces); | |
| 68 void OnTakePictureComplete(uint8_t* aData, uint32_t aLength, const nsAString& aMimeType); | |
| 69 | |
| 70 bool OnNewPreviewFrame(layers::Image* aImage, uint32_t aWidth, uint32_t aHeight); | |
| 71 void OnRecorderStateChange(CameraControlListener::RecorderState aState, | |
| 72 int32_t aStatus = -1, int32_t aTrackNumber = -1); | |
| 73 void OnPreviewStateChange(CameraControlListener::PreviewState aState); | |
| 74 void OnHardwareStateChange(CameraControlListener::HardwareState aState); | |
| 75 void OnConfigurationChange(); | |
| 76 | |
| 77 // When we create a new CameraThread, we keep a static reference to it so | |
| 78 // that multiple CameraControl instances can find and reuse it; but we | |
| 79 // don't want that reference to keep the thread object around unnecessarily, | |
| 80 // so we make it a weak reference. The strong dynamic references will keep | |
| 81 // the thread object alive as needed. | |
| 82 static nsWeakPtr sCameraThread; | |
| 83 nsCOMPtr<nsIThread> mCameraThread; | |
| 84 | |
| 85 virtual ~CameraControlImpl(); | |
| 86 | |
| 87 virtual void BeginBatchParameterSet() MOZ_OVERRIDE { } | |
| 88 virtual void EndBatchParameterSet() MOZ_OVERRIDE { } | |
| 89 | |
| 90 // Manage camera event listeners. | |
| 91 void AddListenerImpl(already_AddRefed<CameraControlListener> aListener); | |
| 92 void RemoveListenerImpl(CameraControlListener* aListener); | |
| 93 nsTArray<nsRefPtr<CameraControlListener> > mListeners; | |
| 94 PRRWLock* mListenerLock; | |
| 95 | |
| 96 class ControlMessage; | |
| 97 class ListenerMessage; | |
| 98 | |
| 99 virtual nsresult StartImpl(const Configuration* aConfig = nullptr) = 0; | |
| 100 virtual nsresult StopImpl() = 0; | |
| 101 virtual nsresult SetConfigurationImpl(const Configuration& aConfig) = 0; | |
| 102 virtual nsresult StartPreviewImpl() = 0; | |
| 103 virtual nsresult StopPreviewImpl() = 0; | |
| 104 virtual nsresult AutoFocusImpl() = 0; | |
| 105 virtual nsresult StartFaceDetectionImpl() = 0; | |
| 106 virtual nsresult StopFaceDetectionImpl() = 0; | |
| 107 virtual nsresult TakePictureImpl() = 0; | |
| 108 virtual nsresult StartRecordingImpl(DeviceStorageFileDescriptor* aFileDescriptor, | |
| 109 const StartRecordingOptions* aOptions) = 0; | |
| 110 virtual nsresult StopRecordingImpl() = 0; | |
| 111 virtual nsresult ResumeContinuousFocusImpl() = 0; | |
| 112 virtual nsresult PushParametersImpl() = 0; | |
| 113 virtual nsresult PullParametersImpl() = 0; | |
| 114 virtual already_AddRefed<RecorderProfileManager> GetRecorderProfileManagerImpl() = 0; | |
| 115 | |
| 116 void OnShutterInternal(); | |
| 117 void OnClosedInternal(); | |
| 118 | |
| 119 uint32_t mCameraId; | |
| 120 | |
| 121 CameraControlListener::CameraListenerConfiguration mCurrentConfiguration; | |
| 122 | |
| 123 CameraControlListener::PreviewState mPreviewState; | |
| 124 CameraControlListener::HardwareState mHardwareState; | |
| 125 | |
| 126 private: | |
| 127 CameraControlImpl(const CameraControlImpl&) MOZ_DELETE; | |
| 128 CameraControlImpl& operator=(const CameraControlImpl&) MOZ_DELETE; | |
| 129 }; | |
| 130 | |
| 131 } // namespace mozilla | |
| 132 | |
| 133 #endif // DOM_CAMERA_CAMERACONTROLIMPL_H |
