mmsharing/mmshengine/inc/musengcamerahandler.h
branchRCL_3
changeset 22 73a1feb507fb
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mmsharing/mmshengine/inc/musengcamerahandler.h	Tue Aug 31 15:12:07 2010 +0300
@@ -0,0 +1,159 @@
+/*
+* Copyright (c) 2005 Nokia Corporation and/or its subsidiary(-ies).
+* All rights reserved.
+* This component and the accompanying materials are made available
+* under the terms of "Eclipse Public License v1.0"
+* which accompanies this distribution, and is available
+* at the URL "http://www.eclipse.org/legal/epl-v10.html".
+*
+* Initial Contributors:
+* Nokia Corporation - initial contribution.
+*
+* Contributors:
+*
+* Description: 
+*
+*/
+
+
+#ifndef MUSHENGCAMERAHANDLER_H
+#define MUSHENGCAMERAHANDLER_H
+
+// USER
+#include "musunittesting.h"
+#include "mussettings.h"
+
+// SYSTEM
+#include <lccameracontrol.h>
+#include <lcbrightnesscontrol.h>
+#include <lczoomcontrol.h>
+#include <ecam.h>
+
+// FORWARD DECLARATIONS
+class CMceCameraSource;
+class CMceSession;
+
+// CLASS
+
+class TMusEngCameraHandler :    
+    public MLcCameraControl,
+    public MLcBrightnessControl,
+    public MLcZoomControl
+    {
+    MUS_UNITTEST( UT_CMusEngOutSession )
+    MUS_UNITTEST( UT_CMusEngLiveSession )
+    MUS_UNITTEST( UT_CMusEngTwoWaySession )
+    MUS_UNITTEST( UT_CMusEngTwoWayRecvSession )
+    MUS_UNITTEST( UT_TMusEngCameraHandler )       
+        
+    public: // From MLcCameraControl
+        
+        TInt LcCameraCountL();
+
+        TInt CurrentLcCameraIndex();
+        
+        void ToggleLcCameraL();       
+
+    public: // From MLcBrightnessControl
+        
+        TInt MinLcBrightnessL();
+
+        TInt MaxLcBrightnessL();
+
+        TInt LcBrightnessL();
+
+        void SetLcBrightnessL( TInt aValue );
+        
+        void IncreaseLcBrightnessL();
+        
+        void DecreaseLcBrightnessL();
+        
+    public: // From MLcZoomControl
+        
+        TInt MinLcZoomL();
+
+        TInt MaxLcZoomL();
+
+        TInt LcZoomValueL();
+
+        void SetLcZoomValueL( TInt aValue );
+        
+        void LcZoomInL();
+        
+        void LcZoomOutL();     
+    
+    public:
+        
+        /**
+        * Resumes previously paused session. 
+        * Continues using viewfinder and enables streaming video.
+        *
+        */
+        void PlayL();
+        
+        /**
+        * Pauses session.
+        * Holds display and disables streaming video to network.
+        *
+        */
+        void PauseL();
+        
+        /**
+        * Tells whether session is paused or not
+        */
+        TBool IsPlayingL();
+                       
+    public:
+        
+        TMusEngCameraHandler();
+        
+        void SetSession( CMceSession* aSession );
+        
+        void InitializeL( CMceCameraSource& aCamera );
+        
+        void InitializeZoomStepSize();
+        
+        void ReadCameraUsageKeyL();
+        
+        TInt ZoomStepSize( TInt64& aTime );
+
+    private:
+    
+        enum TCurrentCamera
+            {
+            ECameraNotAvailable = KErrNotFound,
+            EBackCamera = 0, 
+            EFrontCamera = 1
+            };         
+   
+    private: // New functions
+        
+        TInt CamerasAvailableL( TCurrentCamera& aCurrentCamera );
+
+        void ChangeCameraL( TCurrentCamera aCurrentCamera );
+        
+        void ChangeActiveCameraL( TCurrentCamera aNewCamera );
+        
+    private: // Data
+        
+        CMceSession* iSession; // Not owned
+        
+        TCameraInfo iCameraInfo;
+
+        TInt iDefaultBrightness;
+        
+        TInt64 iZoomInTime;
+        
+        TInt64 iZoomOutTime;        
+                      
+        TInt iSmallZoomStep;
+        
+        TInt iBigZoomStep;
+        
+        TCurrentCamera iCurrentCamera;
+        
+        MusSettingsKeys::TUseCamera iCameraUsage;    
+    };
+
+#endif
+