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
michael@0:  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0: 
michael@0: #ifndef __CAMERASTREAMIMPL_H__
michael@0: #define __CAMERASTREAMIMPL_H__
michael@0: 
michael@0: #include "nsString.h"
michael@0: #include "AndroidBridge.h"
michael@0: 
michael@0: /**
michael@0:  * This singleton class handles communication with the Android camera
michael@0:  * through JNI. It is used by the IPDL parent or directly from the chrome process
michael@0:  */
michael@0: 
michael@0: namespace mozilla {
michael@0: namespace net {
michael@0:     
michael@0: class CameraStreamImpl {
michael@0: public:
michael@0:     class FrameCallback {
michael@0:     public:
michael@0:         virtual void ReceiveFrame(char* frame, uint32_t length) = 0;
michael@0:     };
michael@0:     
michael@0:     /**
michael@0:      * instance bound to a given camera
michael@0:      */
michael@0:     static CameraStreamImpl* GetInstance(uint32_t aCamera);
michael@0:     
michael@0:     bool initNeeded() {
michael@0:         return !mInit;
michael@0:     }
michael@0:     
michael@0:     FrameCallback* GetFrameCallback() {
michael@0:         return mCallback;
michael@0:     }
michael@0:     
michael@0:     bool Init(const nsCString& contentType, const uint32_t& camera, const uint32_t& width, const uint32_t& height, FrameCallback* callback);
michael@0:     void Close();
michael@0:     
michael@0:     uint32_t GetWidth() { return mWidth; }
michael@0:     uint32_t GetHeight() { return mHeight; }
michael@0:     uint32_t GetFps() { return mFps; }
michael@0:     
michael@0:     void takePicture(const nsAString& aFileName);
michael@0:     
michael@0:     void transmitFrame(JNIEnv *env, jbyteArray *data);
michael@0:     
michael@0: private:
michael@0:     CameraStreamImpl(uint32_t aCamera);
michael@0:     CameraStreamImpl(const CameraStreamImpl&);
michael@0:     CameraStreamImpl& operator=(const CameraStreamImpl&);
michael@0: 
michael@0:     ~CameraStreamImpl();
michael@0: 
michael@0:     bool mInit;
michael@0:     uint32_t mCamera;
michael@0:     uint32_t mWidth;
michael@0:     uint32_t mHeight;
michael@0:     uint32_t mFps;
michael@0:     FrameCallback* mCallback;
michael@0: };
michael@0: 
michael@0: } // namespace net
michael@0: } // namespace mozilla
michael@0: 
michael@0: #endif