michael@0: /* This Source Code Form is subject to the terms of the Mozilla Public
michael@0:  * License, v. 2.0. If a copy of the MPL was not distributed with this file,
michael@0:  * You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0: 
michael@0: #ifndef DOM_CAMERA_CAMERACONTROLLISTENER_H
michael@0: #define DOM_CAMERA_CAMERACONTROLLISTENER_H
michael@0: 
michael@0: #include <stdint.h>
michael@0: #include "ICameraControl.h"
michael@0: 
michael@0: namespace mozilla {
michael@0: 
michael@0: namespace layers {
michael@0:   class Image;
michael@0: }
michael@0: 
michael@0: class CameraControlListener
michael@0: {
michael@0: public:
michael@0:   CameraControlListener()
michael@0:   {
michael@0:     MOZ_COUNT_CTOR(CameraControlListener);
michael@0:   }
michael@0: 
michael@0: protected:
michael@0:   // Protected destructor, to discourage deletion outside of Release():
michael@0:   virtual ~CameraControlListener()
michael@0:   {
michael@0:     MOZ_COUNT_DTOR(CameraControlListener);
michael@0:   }
michael@0: 
michael@0: public:
michael@0:   NS_INLINE_DECL_THREADSAFE_REFCOUNTING(CameraControlListener);
michael@0: 
michael@0:   enum HardwareState
michael@0:   {
michael@0:     kHardwareOpen,
michael@0:     kHardwareClosed
michael@0:   };
michael@0:   virtual void OnHardwareStateChange(HardwareState aState) { }
michael@0: 
michael@0:   enum PreviewState
michael@0:   {
michael@0:     kPreviewStopped,
michael@0:     kPreviewPaused,
michael@0:     kPreviewStarted
michael@0:   };
michael@0:   virtual void OnPreviewStateChange(PreviewState aState) { }
michael@0: 
michael@0:   enum RecorderState
michael@0:   {
michael@0:     kRecorderStopped,
michael@0:     kRecorderStarted,
michael@0: #ifdef MOZ_B2G_CAMERA
michael@0:     kFileSizeLimitReached,
michael@0:     kVideoLengthLimitReached,
michael@0:     kTrackCompleted,
michael@0:     kTrackFailed,
michael@0:     kMediaRecorderFailed,
michael@0:     kMediaServerFailed
michael@0: #endif
michael@0:   };
michael@0:   enum { kNoTrackNumber = -1 };
michael@0:   virtual void OnRecorderStateChange(RecorderState aState, int32_t aStatus, int32_t aTrackNum) { }
michael@0: 
michael@0:   virtual void OnShutter() { }
michael@0:   virtual bool OnNewPreviewFrame(layers::Image* aFrame, uint32_t aWidth, uint32_t aHeight)
michael@0:   {
michael@0:     return false;
michael@0:   }
michael@0: 
michael@0:   class CameraListenerConfiguration : public ICameraControl::Configuration
michael@0:   {
michael@0:   public:
michael@0:     uint32_t mMaxMeteringAreas;
michael@0:     uint32_t mMaxFocusAreas;
michael@0:   };
michael@0:   virtual void OnConfigurationChange(const CameraListenerConfiguration& aConfiguration) { }
michael@0: 
michael@0:   virtual void OnAutoFocusComplete(bool aAutoFocusSucceeded) { }
michael@0:   virtual void OnAutoFocusMoving(bool aIsMoving) { }
michael@0:   virtual void OnTakePictureComplete(uint8_t* aData, uint32_t aLength, const nsAString& aMimeType) { }
michael@0:   virtual void OnFacesDetected(const nsTArray<ICameraControl::Face>& aFaces) { }
michael@0: 
michael@0:   enum CameraErrorContext
michael@0:   {
michael@0:     kInStartCamera,
michael@0:     kInStopCamera,
michael@0:     kInAutoFocus,
michael@0:     kInStartFaceDetection,
michael@0:     kInStopFaceDetection,
michael@0:     kInTakePicture,
michael@0:     kInStartRecording,
michael@0:     kInStopRecording,
michael@0:     kInSetConfiguration,
michael@0:     kInStartPreview,
michael@0:     kInStopPreview,
michael@0:     kInResumeContinuousFocus,
michael@0:     kInUnspecified
michael@0:   };
michael@0:   enum CameraError
michael@0:   {
michael@0:     kErrorApiFailed,
michael@0:     kErrorInitFailed,
michael@0:     kErrorInvalidConfiguration,
michael@0:     kErrorServiceFailed,
michael@0:     kErrorSetPictureSizeFailed,
michael@0:     kErrorSetThumbnailSizeFailed,
michael@0:     kErrorUnknown
michael@0:   };
michael@0:   virtual void OnError(CameraErrorContext aContext, CameraError aError) { }
michael@0: };
michael@0: 
michael@0: } // namespace mozilla
michael@0: 
michael@0: #endif // DOM_CAMERA_CAMERACONTROLLISTENER_H