vrexvideoview.h

symbian s60 有关音频的代码实例,供参考

/*
* ============================================================================
*  Name     : CVRexVideoView from VRexVideoView.h
*  Part of  : Video Example
*  Created  : 30/08/2006 by Forum  Nokia
*  Implementation notes:
*  Version  : 2.0
*  Copyright: Nokia Corporation, 2006
* ============================================================================
*/

#ifndef VREXVIDEOVIEW_H
#define VREXVIDEOVIEW_H

// INCLUDES
#include <aknview.h>
#include <coecntrl.h>
#include <coemain.h>

#include "VRexEngine.h"

// CONSTANTS
// UID of view
const TUid KView2Id = {2};

// FORWARD DECLARATIONS
class CVRexVideoContainer;
class CVRexEngine;
// CLASS DECLARATION

/**
*  CVRexVideoView view class.
*
*/
class CVRexVideoView : public CAknView
    {
    public: // Constructors and destructor

		CVRexVideoView();
        /**
        * EPOC default constructor.
        */
        void ConstructL();

        /**
        * Destructor.
        */
        ~CVRexVideoView();

    public: // Functions from base classes

		/**
        * From CAknView returns Uid of View
        * @return TUid uid of the view
        */
        TUid Id() const;

        /**
        * From MEikMenuObserver delegate commands from the menu
        * @param aCommand a command emitted by the menu
        * @return void
        */
        void HandleCommandL(TInt aCommand);

        /**
        * From CAknView reaction if size change
        * @return void
        */
        void HandleClientRectChange();


        /**
         * This method changes the CBA, 0 resets to default CBA.
		 * @return void
		 */
        void SwitchCbaL(TInt aResourceId = 0);

        /**
         * This method stops a playing video clip.
		 * @return void
		 */
	    void DoStopL();

		/**
		 * This method records a video clip.
		 * @return void
		 */
		void DoRecordL();

		/**
		 * This method pauses a playing video clip.
		 * @return void
		 */
	    void DoPauseL();

	    /**
	     * This method resumes a playing video file.
	     * @return void
	     */
	    void DoResumeL();

		/**
		 * This method initializes a video engine.
		 * @return void
		 */
	    void DoInitControllerL();

		/**
		 * This method returns app to previous view.
		 * @return void 
		 */
		void DoReturnL();
 
    private:

        /**
        * From CAknView activate the view
        * @param aPrevViewId
        * @param aCustomMessageId
        * @param aCustomMessage
        * @return void
        */
        void DoActivateL(const TVwsViewId& aPrevViewId,TUid aCustomMessageId,
            const TDesC8& aCustomMessage);

        /**
        * From CAknView deactivate the view (free resources)
        * @return void
        */
        void DoDeactivate();


       /**
        * Called by the framework when status pane size changes
        * @return void
        */
        void HandleStatusPaneSizeChange();


    private: // Data
        CVRexVideoContainer* iContainer;

        CVRexEngine* iEngine;
        // previous view
        TVwsViewId iPrevious;

    };

#endif //VREXVIDEOVIEW_H