vtprotocolplugins/VideoSource/inc/CVSControllerImp.h
changeset 27 dcbddbbaf8fd
parent 0 ed9695c8bcbe
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/vtprotocolplugins/VideoSource/inc/CVSControllerImp.h	Wed Jun 23 18:14:26 2010 +0300
@@ -0,0 +1,120 @@
+/*
+* Copyright (c) 2006 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:  Video Source subsystem.
+*
+*/
+
+
+#ifndef CVSCONTROLLERIMP_H
+#define CVSCONTROLLERIMP_H
+
+// INCLUDE FILES
+#include "CApiVideoSource.h"
+
+// CLASS DECLARATIONS
+
+/**
+*  Internal implementation of controller. This class is inherited from
+*  public controller interface.
+*
+*  @lib videosource.lib
+*/
+class CVSControllerImp : public CVSController
+    {
+    public: // Constructors and destructor
+
+        /**
+        * Static factory function to create controller instance.
+        * @exception Can leave with one of the system wide error codes.
+        * @return Pointer to new controller instance.
+        */
+        static CVSControllerImp* NewL();
+
+        /**
+        * Destructor.
+        */
+        ~CVSControllerImp();
+
+    public: // New functions
+
+    public: // Functions from base classes
+
+        /**
+        * Create data source instance.
+        * @param "aObserver" Pointer to data source observer.
+        * @exception Can leave with one of the system wide error codes.
+        * @return Pointer to new data source instance.
+        */
+        virtual CVSDataSource* CreateDataSourceL( 
+            MVSDataSourceObserver* aObserver );
+
+        /**
+        * Return provider count and provider index.
+        * @return Number of providers available. Count also acts as zero 
+        * based provider index.
+        */
+        virtual TInt ProvidersAvailable();
+
+        /**
+        * Return provider information.
+        * @param "aProviderIndex" Index of the provider to return information 
+        * for.
+        * @param "aInfo" Reference to the variable where the provider 
+        * information is copied.
+        * @exception Can leave with one of the system wide error codes.
+        */
+        virtual void ProviderInfoL( 
+            TInt aProviderIndex, 
+            TVSDataProviderInfo& aInfo );
+
+        /**
+        * Create provider instance.
+        * @param "aProviderIndex" Index of the provider to be created.
+        * @param "aObserver" Pointer to provider observer.
+        * @exception Can leave with one of the system wide error codes.
+        * @return Pointer to new provider instance.
+        */
+        virtual CVSDataProvider* CreateDataProviderL( 
+            TInt aProviderIndex, 
+            MVSDataProviderObserver* aObserver, 
+            MVSBufferPool* aPool );
+
+    protected:  // New functions
+
+    protected:  // Functions from base classes
+
+    private:    // Constructors and destructor
+
+        /**
+        * 2nd phase constructor.
+        * @param "aObserver" Pointer to controller observer
+        * @exception Can leave with one of the system wide error codes.
+        */
+        void ConstructL( MVSControllerObserver* aObserver );
+
+    private:    // New functions
+
+    private:    // Functions from base classes
+
+    public: // Data
+
+    protected:  // Data
+
+    private:    // Data
+
+    };
+
+#endif      // CVSCONTROLLERIMP_H  
+            
+// End of File