videoappui.h

NOKIA S60手机3gp视频播放器源代码.

/*
* ============================================================================
*  Name     : VideoAppUi.h
*  Part of  : Video
*  Created  : 10/14/2003 by Forum Nokia
*  Description:
*		 Declares UI class for application.
*  Version  :
*  Copyright: Forum Corporation, 2003
* ============================================================================
*/

#ifndef VIDEOAPPUI_H
#define VIDEOAPPUI_H

#include <eikapp.h>
#include <eikdoc.h>
#include <e32std.h>
#include <coeccntx.h>
#include <aknappui.h>
#include "VideoEngine.h"
#include "MPlayerUIControllerListener.h"

class CVideoContainer;
class CVideoEngine;
class CAknNavigationControlContainer;
class CAknNavigationDecorator;
class CEikButtonGroupContainer;

/**
 *  CVideoAppUi class.
 *  UI class required by Symbian OS architecture
 */
class CVideoAppUi : public CAknAppUi, public MPlayerUIControllerListener
    {
    public: // // Constructors and destructor

        /**
        * Symbian default constructor.
        */      
        void ConstructL();

        /**
        * Destructor.
        */      
        ~CVideoAppUi();
        
    public: // New functions
	    CVideoEngine* GetVideoEngine();
	    void PlayVideoFileL(TDesC &aFileName );

    public: // Functions from MPlayerUIControllerListener

        /**
		 * Controller has been initialized completely.	
		 * @param aError error code returned
         */
        void InitControllerCompletedL(TInt aError );

		/**
		 * Playing a video has been complete
		 * @param aError error code returned
		 */
        void PlayCompletedL( TInt aError );

        /** 
	     * See MPUIControllerListener::PlaybackPositionChangedL() 
	     */
        void PlaybackPositionChangedL(TInt64 aPlaybackPosInSeconds, TInt64 aTotalLengthInSeconds);

    private:
        /** 
	     * From MEikMenuObserver
	     */
        void DynInitMenuPaneL(TInt aResourceId,CEikMenuPane* aMenuPane);

        /**
	     * Create the Time navi pane
	     */
	    CAknNavigationDecorator* CreateTimeNaviL();

    private:

        /**
         * From CEikAppUi, takes care of command handling.
         * @param aCommand command to be handled
         */
        void HandleCommandL(TInt aCommand);

        /**
         * From CEikAppUi, handles key events.
         * @param aKeyEvent Event to handled.
         * @param aType Type of the key event. 
         * @return Response code (EKeyWasConsumed, EKeyWasNotConsumed). 
         */
        virtual TKeyResponse HandleKeyEventL(
            const TKeyEvent& aKeyEvent,TEventCode aType);

    protected:
	    /**
	     * Resume a playing video file
	     */
	    void DoResumeL();

	    /**
	     * Get the file information
	     */
	    void DoGetFileInfoL();

        /**
		 *	Play a video using a document handler
		 */
	    void DoDocPlayL();

		/**
		 *	Pause a playing video clip
		 */
	    void DoPauseL();

		/**
		 *	Initialize a video engine
		 */
	    void DoInitControllerL();

        /**
         *	Stop a playing vide clip
		 */
	    void DoStopL();

		/**
		 *	Play a video clip
		 */
	    void DoPlayL();

        /**
         *	Set a text to the time navi pane
         *  @param aLabel text to set
         */
	    void SetNaviLabelL(const TDesC & aLabel);

    private: //Data
        CVideoContainer* iAppContainer; 
		CVideoEngine* iEngine;

        CAknNavigationControlContainer* iNaviPane;
        CAknNavigationDecorator*	iTimeNavi;

        HBufC* iMinSecFormatString;
        HBufC* iHourMinSecFormatString;

		CEikButtonGroupContainer* iCba;
    };

#endif