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: #include "DOMCameraControlListener.h"
michael@0: #include "nsThreadUtils.h"
michael@0: #include "nsDOMFile.h"
michael@0: #include "CameraCommon.h"
michael@0: #include "DOMCameraControl.h"
michael@0: #include "CameraPreviewMediaStream.h"
michael@0: #include "mozilla/dom/CameraManagerBinding.h"
michael@0: 
michael@0: using namespace mozilla;
michael@0: using namespace mozilla::dom;
michael@0: 
michael@0: DOMCameraControlListener::DOMCameraControlListener(nsDOMCameraControl* aDOMCameraControl,
michael@0:                                                    CameraPreviewMediaStream* aStream)
michael@0:   : mDOMCameraControl(new nsMainThreadPtrHolder<nsDOMCameraControl>(aDOMCameraControl))
michael@0:   , mStream(aStream)
michael@0: {
michael@0:   DOM_CAMERA_LOGT("%s:%d : this=%p, camera=%p, stream=%p\n",
michael@0:     __func__, __LINE__, this, aDOMCameraControl, aStream);
michael@0: }
michael@0: 
michael@0: DOMCameraControlListener::~DOMCameraControlListener()
michael@0: {
michael@0:   DOM_CAMERA_LOGT("%s:%d : this=%p\n", __func__, __LINE__, this);
michael@0: }
michael@0: 
michael@0: // Boilerplate callback runnable
michael@0: class DOMCameraControlListener::DOMCallback : public nsRunnable
michael@0: {
michael@0: public:
michael@0:   DOMCallback(nsMainThreadPtrHandle<nsDOMCameraControl> aDOMCameraControl)
michael@0:     : mDOMCameraControl(aDOMCameraControl)
michael@0:   {
michael@0:     MOZ_COUNT_CTOR(DOMCameraControlListener::DOMCallback);
michael@0:   }
michael@0:   virtual ~DOMCallback()
michael@0:   {
michael@0:     MOZ_COUNT_DTOR(DOMCameraControlListener::DOMCallback);
michael@0:   }
michael@0: 
michael@0:   virtual void RunCallback(nsDOMCameraControl* aDOMCameraControl) = 0;
michael@0: 
michael@0:   NS_IMETHOD
michael@0:   Run() MOZ_OVERRIDE
michael@0:   {
michael@0:     MOZ_ASSERT(NS_IsMainThread());
michael@0: 
michael@0:     nsRefPtr<nsDOMCameraControl> camera = mDOMCameraControl.get();
michael@0:     if (camera) {
michael@0:       RunCallback(camera);
michael@0:     }
michael@0:     return NS_OK;
michael@0:   }
michael@0: 
michael@0: protected:
michael@0:   nsMainThreadPtrHandle<nsDOMCameraControl> mDOMCameraControl;
michael@0: };
michael@0: 
michael@0: // Specific callback handlers
michael@0: void
michael@0: DOMCameraControlListener::OnHardwareStateChange(HardwareState aState)
michael@0: {
michael@0:   class Callback : public DOMCallback
michael@0:   {
michael@0:   public:
michael@0:     Callback(nsMainThreadPtrHandle<nsDOMCameraControl> aDOMCameraControl,
michael@0:              HardwareState aState)
michael@0:       : DOMCallback(aDOMCameraControl)
michael@0:       , mState(aState)
michael@0:     { }
michael@0: 
michael@0:     void
michael@0:     RunCallback(nsDOMCameraControl* aDOMCameraControl) MOZ_OVERRIDE
michael@0:     {
michael@0:       aDOMCameraControl->OnHardwareStateChange(mState);
michael@0:     }
michael@0: 
michael@0:   protected:
michael@0:     HardwareState mState;
michael@0:   };
michael@0: 
michael@0:   NS_DispatchToMainThread(new Callback(mDOMCameraControl, aState));
michael@0: }
michael@0: 
michael@0: void
michael@0: DOMCameraControlListener::OnPreviewStateChange(PreviewState aState)
michael@0: {
michael@0:   class Callback : public DOMCallback
michael@0:   {
michael@0:   public:
michael@0:     Callback(nsMainThreadPtrHandle<nsDOMCameraControl> aDOMCameraControl,
michael@0:              PreviewState aState)
michael@0:       : DOMCallback(aDOMCameraControl)
michael@0:       , mState(aState)
michael@0:     { }
michael@0: 
michael@0:     void
michael@0:     RunCallback(nsDOMCameraControl* aDOMCameraControl) MOZ_OVERRIDE
michael@0:     {
michael@0:       aDOMCameraControl->OnPreviewStateChange(mState);
michael@0:     }
michael@0: 
michael@0:   protected:
michael@0:     PreviewState mState;
michael@0:   };
michael@0: 
michael@0:   switch (aState) {
michael@0:     case kPreviewStopped:
michael@0:       // Clear the current frame right away, without dispatching a
michael@0:       //  runnable. This is an ugly coupling between the camera's
michael@0:       //  SurfaceTextureClient and the MediaStream/ImageContainer,
michael@0:       //  but without it, the preview can fail to start.
michael@0:       DOM_CAMERA_LOGI("Preview stopped, clearing current frame\n");
michael@0:       mStream->ClearCurrentFrame();
michael@0:       break;
michael@0: 
michael@0:     case kPreviewPaused:
michael@0:       // In the paused state, we still want to reflect the change
michael@0:       //  in preview state, but we don't want to clear the current
michael@0:       //  frame as above, since doing so seems to cause genlock
michael@0:       //  problems when we restart the preview. See bug 957749.
michael@0:       DOM_CAMERA_LOGI("Preview paused\n");
michael@0:       break;
michael@0: 
michael@0:     case kPreviewStarted:
michael@0:       DOM_CAMERA_LOGI("Preview started\n");
michael@0:       break;
michael@0: 
michael@0:     default:
michael@0:       DOM_CAMERA_LOGE("Unknown preview state %d\n", aState);
michael@0:       MOZ_ASSUME_UNREACHABLE("Invalid preview state");
michael@0:       return;
michael@0:   }
michael@0:   NS_DispatchToMainThread(new Callback(mDOMCameraControl, aState));
michael@0: }
michael@0: 
michael@0: void
michael@0: DOMCameraControlListener::OnRecorderStateChange(RecorderState aState,
michael@0:                                                 int32_t aStatus, int32_t aTrackNum)
michael@0: {
michael@0:   class Callback : public DOMCallback
michael@0:   {
michael@0:   public:
michael@0:     Callback(nsMainThreadPtrHandle<nsDOMCameraControl> aDOMCameraControl,
michael@0:              RecorderState aState,
michael@0:              int32_t aStatus,
michael@0:              int32_t aTrackNum)
michael@0:       : DOMCallback(aDOMCameraControl)
michael@0:       , mState(aState)
michael@0:       , mStatus(aStatus)
michael@0:       , mTrackNum(aTrackNum)
michael@0:     { }
michael@0: 
michael@0:     void
michael@0:     RunCallback(nsDOMCameraControl* aDOMCameraControl) MOZ_OVERRIDE
michael@0:     {
michael@0:       aDOMCameraControl->OnRecorderStateChange(mState, mStatus, mTrackNum);
michael@0:     }
michael@0: 
michael@0:   protected:
michael@0:     RecorderState mState;
michael@0:     int32_t mStatus;
michael@0:     int32_t mTrackNum;
michael@0:   };
michael@0: 
michael@0:   NS_DispatchToMainThread(new Callback(mDOMCameraControl, aState, aStatus, aTrackNum));
michael@0: }
michael@0: 
michael@0: void
michael@0: DOMCameraControlListener::OnConfigurationChange(const CameraListenerConfiguration& aConfiguration)
michael@0: {
michael@0:   class Callback : public DOMCallback
michael@0:   {
michael@0:   public:
michael@0:     Callback(nsMainThreadPtrHandle<nsDOMCameraControl> aDOMCameraControl,
michael@0:              const CameraListenerConfiguration& aConfiguration)
michael@0:       : DOMCallback(aDOMCameraControl)
michael@0:       , mConfiguration(aConfiguration)
michael@0:     { }
michael@0: 
michael@0:     void
michael@0:     RunCallback(nsDOMCameraControl* aDOMCameraControl) MOZ_OVERRIDE
michael@0:     {
michael@0:       nsRefPtr<nsDOMCameraControl::DOMCameraConfiguration> config =
michael@0:         new nsDOMCameraControl::DOMCameraConfiguration();
michael@0: 
michael@0:       switch (mConfiguration.mMode) {
michael@0:         case ICameraControl::kVideoMode:
michael@0:           config->mMode = CameraMode::Video;
michael@0:           break;
michael@0: 
michael@0:         case ICameraControl::kPictureMode:
michael@0:           config->mMode = CameraMode::Picture;
michael@0:           break;
michael@0: 
michael@0:         default:
michael@0:           DOM_CAMERA_LOGI("Camera mode still unspecified, nothing to do\n");
michael@0:           return;
michael@0:       }
michael@0: 
michael@0:       // Map CameraControl parameters to their DOM-facing equivalents
michael@0:       config->mRecorderProfile = mConfiguration.mRecorderProfile;
michael@0:       config->mPreviewSize.mWidth = mConfiguration.mPreviewSize.width;
michael@0:       config->mPreviewSize.mHeight = mConfiguration.mPreviewSize.height;
michael@0:       config->mMaxMeteringAreas = mConfiguration.mMaxMeteringAreas;
michael@0:       config->mMaxFocusAreas = mConfiguration.mMaxFocusAreas;
michael@0: 
michael@0:       aDOMCameraControl->OnConfigurationChange(config);
michael@0:     }
michael@0: 
michael@0:   protected:
michael@0:     const CameraListenerConfiguration mConfiguration;
michael@0:   };
michael@0: 
michael@0:   NS_DispatchToMainThread(new Callback(mDOMCameraControl, aConfiguration));
michael@0: }
michael@0: 
michael@0: void
michael@0: DOMCameraControlListener::OnAutoFocusMoving(bool aIsMoving)
michael@0: {
michael@0:   class Callback : public DOMCallback
michael@0:   {
michael@0:   public:
michael@0:     Callback(nsMainThreadPtrHandle<nsDOMCameraControl> aDOMCameraControl, bool aIsMoving)
michael@0:       : DOMCallback(aDOMCameraControl)
michael@0:       , mIsMoving(aIsMoving)
michael@0:     { }
michael@0: 
michael@0:     void
michael@0:     RunCallback(nsDOMCameraControl* aDOMCameraControl) MOZ_OVERRIDE
michael@0:     {
michael@0:       aDOMCameraControl->OnAutoFocusMoving(mIsMoving);
michael@0:     }
michael@0: 
michael@0:   protected:
michael@0:     bool mIsMoving;
michael@0:   };
michael@0: 
michael@0:   NS_DispatchToMainThread(new Callback(mDOMCameraControl, aIsMoving));
michael@0: }
michael@0: 
michael@0: void
michael@0: DOMCameraControlListener::OnFacesDetected(const nsTArray<ICameraControl::Face>& aFaces)
michael@0: {
michael@0:   class Callback : public DOMCallback
michael@0:   {
michael@0:   public:
michael@0:     Callback(nsMainThreadPtrHandle<nsDOMCameraControl> aDOMCameraControl,
michael@0:              const nsTArray<ICameraControl::Face>& aFaces)
michael@0:       : DOMCallback(aDOMCameraControl)
michael@0:       , mFaces(aFaces)
michael@0:     { }
michael@0: 
michael@0:     void
michael@0:     RunCallback(nsDOMCameraControl* aDOMCameraControl) MOZ_OVERRIDE
michael@0:     {
michael@0:       aDOMCameraControl->OnFacesDetected(mFaces);
michael@0:     }
michael@0: 
michael@0:   protected:
michael@0:     const nsTArray<ICameraControl::Face> mFaces;
michael@0:   };
michael@0: 
michael@0:   NS_DispatchToMainThread(new Callback(mDOMCameraControl, aFaces));
michael@0: }
michael@0: 
michael@0: void
michael@0: DOMCameraControlListener::OnShutter()
michael@0: {
michael@0:   class Callback : public DOMCallback
michael@0:   {
michael@0:   public:
michael@0:     Callback(nsMainThreadPtrHandle<nsDOMCameraControl> aDOMCameraControl)
michael@0:       : DOMCallback(aDOMCameraControl)
michael@0:     { }
michael@0: 
michael@0:     void
michael@0:     RunCallback(nsDOMCameraControl* aDOMCameraControl) MOZ_OVERRIDE
michael@0:     {
michael@0:       aDOMCameraControl->OnShutter();
michael@0:     }
michael@0:   };
michael@0: 
michael@0:   NS_DispatchToMainThread(new Callback(mDOMCameraControl));
michael@0: }
michael@0: 
michael@0: bool
michael@0: DOMCameraControlListener::OnNewPreviewFrame(layers::Image* aImage, uint32_t aWidth, uint32_t aHeight)
michael@0: {
michael@0:   DOM_CAMERA_LOGI("OnNewPreviewFrame: got %d x %d frame\n", aWidth, aHeight);
michael@0: 
michael@0:   mStream->SetCurrentFrame(gfxIntSize(aWidth, aHeight), aImage);
michael@0:   return true;
michael@0: }
michael@0: 
michael@0: void
michael@0: DOMCameraControlListener::OnAutoFocusComplete(bool aAutoFocusSucceeded)
michael@0: {
michael@0:   class Callback : public DOMCallback
michael@0:   {
michael@0:   public:
michael@0:     Callback(nsMainThreadPtrHandle<nsDOMCameraControl> aDOMCameraControl,
michael@0:              bool aAutoFocusSucceeded)
michael@0:       : DOMCallback(aDOMCameraControl)
michael@0:       , mAutoFocusSucceeded(aAutoFocusSucceeded)
michael@0:     { }
michael@0: 
michael@0:     void
michael@0:     RunCallback(nsDOMCameraControl* aDOMCameraControl) MOZ_OVERRIDE
michael@0:     {
michael@0:       aDOMCameraControl->OnAutoFocusComplete(mAutoFocusSucceeded);
michael@0:     }
michael@0: 
michael@0:   protected:
michael@0:     bool mAutoFocusSucceeded;
michael@0:   };
michael@0: 
michael@0:   NS_DispatchToMainThread(new Callback(mDOMCameraControl, aAutoFocusSucceeded));
michael@0: }
michael@0: 
michael@0: void
michael@0: DOMCameraControlListener::OnTakePictureComplete(uint8_t* aData, uint32_t aLength, const nsAString& aMimeType)
michael@0: {
michael@0:   class Callback : public DOMCallback
michael@0:   {
michael@0:   public:
michael@0:     Callback(nsMainThreadPtrHandle<nsDOMCameraControl> aDOMCameraControl,
michael@0:              uint8_t* aData, uint32_t aLength, const nsAString& aMimeType)
michael@0:       : DOMCallback(aDOMCameraControl)
michael@0:       , mData(aData)
michael@0:       , mLength(aLength)
michael@0:       , mMimeType(aMimeType)
michael@0:     { }
michael@0: 
michael@0:     void
michael@0:     RunCallback(nsDOMCameraControl* aDOMCameraControl) MOZ_OVERRIDE
michael@0:     {
michael@0:       nsCOMPtr<nsIDOMBlob> picture = new nsDOMMemoryFile(static_cast<void*>(mData),
michael@0:                                                          static_cast<uint64_t>(mLength),
michael@0:                                                          mMimeType);
michael@0:       aDOMCameraControl->OnTakePictureComplete(picture);
michael@0:     }
michael@0: 
michael@0:   protected:
michael@0:     uint8_t* mData;
michael@0:     uint32_t mLength;
michael@0:     nsString mMimeType;
michael@0:   };
michael@0: 
michael@0:   NS_DispatchToMainThread(new Callback(mDOMCameraControl, aData, aLength, aMimeType));
michael@0: }
michael@0: 
michael@0: void
michael@0: DOMCameraControlListener::OnError(CameraErrorContext aContext, CameraError aError)
michael@0: {
michael@0:   class Callback : public DOMCallback
michael@0:   {
michael@0:   public:
michael@0:     Callback(nsMainThreadPtrHandle<nsDOMCameraControl> aDOMCameraControl,
michael@0:              CameraErrorContext aContext,
michael@0:              CameraError aError)
michael@0:       : DOMCallback(aDOMCameraControl)
michael@0:       , mContext(aContext)
michael@0:       , mError(aError)
michael@0:     { }
michael@0: 
michael@0:     virtual void
michael@0:     RunCallback(nsDOMCameraControl* aDOMCameraControl) MOZ_OVERRIDE
michael@0:     {
michael@0:       nsString error;
michael@0: 
michael@0:       switch (mError) {
michael@0:         case kErrorServiceFailed:
michael@0:           error = NS_LITERAL_STRING("ErrorServiceFailed");
michael@0:           break;
michael@0: 
michael@0:         case kErrorSetPictureSizeFailed:
michael@0:           error = NS_LITERAL_STRING("ErrorSetPictureSizeFailed");
michael@0:           break;
michael@0: 
michael@0:         case kErrorSetThumbnailSizeFailed:
michael@0:           error = NS_LITERAL_STRING("ErrorSetThumbnailSizeFailed");
michael@0:           break;
michael@0: 
michael@0:         case kErrorApiFailed:
michael@0:           // XXXmikeh legacy error placeholder
michael@0:           error = NS_LITERAL_STRING("FAILURE");
michael@0:           break;
michael@0: 
michael@0:         default:
michael@0:           error = NS_LITERAL_STRING("ErrorUnknown");
michael@0:           break;
michael@0:       }
michael@0:       aDOMCameraControl->OnError(mContext, error);
michael@0:     }
michael@0: 
michael@0:   protected:
michael@0:     CameraErrorContext mContext;
michael@0:     CameraError mError;
michael@0:   };
michael@0: 
michael@0:   NS_DispatchToMainThread(new Callback(mDOMCameraControl, aContext, aError));
michael@0: }