tsrc/mceclientstub/inc/mcedisplaysink.h
author Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
Tue, 31 Aug 2010 15:12:07 +0300
branchRCL_3
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/*
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* Copyright (c) 2006 Nokia Corporation and/or its subsidiary(-ies).
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* All rights reserved.
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* This component and the accompanying materials are made available
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* under the terms of "Eclipse Public License v1.0"
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* which accompanies this distribution, and is available
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* at the URL "http://www.eclipse.org/legal/epl-v10.html".
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*
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* Initial Contributors:
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* Nokia Corporation - initial contribution.
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*
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* Contributors:
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*
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* Description:  
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*
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*/
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#ifndef MCEDISPLAYSINK_H
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#define MCEDISPLAYSINK_H
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// INCLUDES
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#include "mcemediasink.h"
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// FORWARD DECLARATIONS
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class CMceManager;
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class RWindow;
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class CWindowGc;
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// DATA TYPES
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const TMceSinkType KMceDisplaySink = 3;
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// CLASS DECLARATION
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/**
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* Class representing display in MCE.
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*
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* CMceDisplaySink can be used to show video on screen or as a viewfinder
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* of the camera.
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*
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* Enable and Disable operations to it are considered to be local, 
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* so they are not signalled to remote terminal.
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* 
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* @lib mceclient.lib
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*/
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class CMceDisplaySink : public CMceMediaSink
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	{
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	public:
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        enum TRotation
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            {
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            ENone, 
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            EClockwise90Degree, 
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            EClockwise180Degree,
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            EClockwise270Degree
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            };
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	public: // Constructors and destructor
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	    /**
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	    * Two-phased constructor.
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	    * @param aManager reference to the manager
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	    */
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		IMPORT_C static CMceDisplaySink* NewL( CMceManager& aManager );
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	    /**
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	    * Two-phased constructor.
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	    * @param aManager reference to the manager
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	    */
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		IMPORT_C static CMceDisplaySink* NewLC( CMceManager& aManager );
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		/// Not in the real implementation
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        IMPORT_C static CMceDisplaySink* NewL();
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        /// Not in the real implementation
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        IMPORT_C static CMceDisplaySink* NewLC();		
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0
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	    /**
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	    * Destructor.
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	    */
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		IMPORT_C ~CMceDisplaySink();
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	public: // From CMceMediaSink
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	    /**
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	    * Enables the sink explicitly.
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	    */
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		IMPORT_C void EnableL(); 
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	    /**
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	    * Disables the sink explicitly.
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	    */
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		IMPORT_C void DisableL(); 
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    public: // New functions
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    	/**
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	    * Gets the number of available displays on the device.
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	    * @return number of available displays 
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	    */
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	    IMPORT_C TInt DisplaysAvailable() const;
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	    /**
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	    * Sets index of physical display to be used.
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	    * @param aDisplayIndex, index of the display to be used; number of 
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	    *        available displays can be retrieved by calling 
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	    *        CMceDisplaySink::DisplaysAvailable
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	    * @leave KErrNotSupported if requested display cannot be used
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	    */
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	    IMPORT_C void SetDisplayIndexL( TInt aDisplayIndex ); 
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		/**
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		* Sets display resources.
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		* @param aWindow handle to the display window of the user
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		* @param aGc graphics context of the user
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		*/
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		IMPORT_C void SetDisplay( RWindow& aWindow, CWindowGc& aGc );
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        /**
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        * Sets display rectangle. Display data is drawn to the given area.
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        * @param aRect display area
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        */
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		IMPORT_C void SetDisplayRectL( const TRect& aRect );
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        /**
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        * Gets current display rectagle. 
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        * @return current display rectangle 
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        */
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		IMPORT_C const TRect DisplayRectL();
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		/*
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		* Sets display sink priority. Priority value 0 is the highest priority. 
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		* Display sink with higher priority draws over less priority display
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		* if display rectangles overlap.
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		* @param aPriority priority value
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		*/
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		IMPORT_C void SetPriorityL( TUint aPriority );
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		/*
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		* Display sink's current priority.
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		* @return priority value
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		*/
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		IMPORT_C TUint PriorityL();
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        /*
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		* Sets display sink rotation. 
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		* @param aRotation rotation value
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		*/
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		IMPORT_C void SetRotationL( TRotation aRotation );
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		/*
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		* Display sink's current rotation.
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		* @return rotation value
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		*/
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		IMPORT_C TRotation RotationL();
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	public: // internal
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	    /**
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	    * Initializes 
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	    * @param aManager the manager. Ownership is NOT transferred
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	    */
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	    void InitializeL( CMceManager* aManager );
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	private:
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	    /**
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	     * C++ constructor.
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	     */
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		CMceDisplaySink();
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    private: // Reserved for future use
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        TAny* iReserved;         	
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    public: // stub data
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        TInt iDisplayIndex;
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        TRect iDisplayRect;
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        TUint iDisplayPriority;
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        TRotation iRotation;
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	};
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#endif