vrexfiledetailsdialog.h

symbian s60 有关音频的代码实例,供参考

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

#ifndef __VIDEOFILEDETAILSDIALOG_H__
#define __VIDEOFILEDETAILSDIALOG_H__

#include <aknpopup.h>
#include <VideoPlayer.h>
#include <MdaAudioSamplePlayer.h>

#include "VRexFileDetails.h"

class CAknDoublePopupMenuStyleListBox;

/**
 *  CVideoFileDetailsDialog
 *  A dialog used to list the detailed information regarding a video file.
 */
class CVideoFileDetailsDialog : public CBase,
								public MMdaAudioPlayerCallback,
								public MVideoPlayerUtilityObserver
    {
    public: // Constructors and destructor
        /**
         * Two-phased constructor.
         */
        static CVideoFileDetailsDialog* NewL();

        /**
         * Destructor.
         */
        virtual ~CVideoFileDetailsDialog();

    public: // New functions
        /**
         * This method shows file details to user in dialog.
         * @param aFileName, media file which details are shown to user.
         * @leaves Leaves with KErrNotSupported if file is not valid media file.
         * @return void
         */
        void ExecuteLD(const TDesC& aFileName);

        /**
         * This method shows file details to user in dialog.
         * @param aFileDetails, file details which are shown to user.
         * @return void
         */
        void ExecuteLD(CVideoFileDetails* aFileDetails);

    public: // Functions from MMdaAudioPlayerCallback
        /**
		 * See MMdaAudioPlayerCallback::MapcInitComplete(TInt aError, 
         * const TTimeIntervalMicroSeconds& aDuration)
		 */
        void MapcInitComplete(TInt aError, 
            const TTimeIntervalMicroSeconds& aDuration);

        /**
		 * See MMdaAudioPlayerCallback::MapcPlayComplete(TInt aError)
		 */
        void MapcPlayComplete(TInt aError);

    public: // Functions from MVideoPlayerUtilityObserver
        /**
		 * See MVideoPlayerUtilityObserver::MvpuoOpenComplete(TInt aError)
		 */
        void MvpuoOpenComplete(TInt aError);

        /**
		 * See MVideoPlayerUtilityObserver::MvpuoPrepareComplete(TInt aError)
		 */
        void MvpuoPrepareComplete(TInt aError);

        /**
		 * See MVideoPlayerUtilityObserver::MvpuoFrameReady(CFbsBitmap& aFrame,
         * TInt aError)
		 */
        void MvpuoFrameReady(CFbsBitmap& aFrame,TInt aError);

        /**
		 * See MVideoPlayerUtilityObserver::MvpuoPlayComplete(TInt aError)
		 */
        void MvpuoPlayComplete(TInt aError);

        /**
		 * See MVideoPlayerUtilityObserver::MvpuoEvent(const TMMFEvent& aEvent)
		 */
        void MvpuoEvent(const TMMFEvent& aEvent);

    private:
        /**
         * C++ default constructor.
         */
        CVideoFileDetailsDialog();

        /**
         * By default Symbian 2nd phase constructor is private.
         */
        void ConstructL();

    private: // New functions
        /**
         * This method sets title for CAknPopupList.
         * @param aPopupList CAknPopupList which title is modified
         * @return void
         */
        void SetTitleL(CAknPopupList* aPopupList);

        /**
         * This method fills listbox with file details information.
         * @param aFileDetails File details
         * @return void
         */
        void FillListBoxL(CVideoFileDetails* aFileDetails);

        /**
         * This method adds header and value to list.
         * @param aHeading Heading
         * @param aValue Value
         * @param aItemArray Array where value and header are added.
         * @return void
         */
        void AddItemToListBoxL(const TDesC& aHeading, 
            const TDesC& aValue, CDesCArray* aItemArray);

        /**
         *This method constructs clip title item.
         * @param aItemArray Array where constructed item is put.
         * @param aFileDetails File details.
         * @return void
         */
        void MakeTitleItemL(CDesCArray* aItemArray, 
            CVideoFileDetails* aFileDetails);

        /**
         * This method constructs clip url item.
         * @param aItemArray Array where constructed item is put.
         * @param aFileDetails File details.
         * @return void
         */
        void MakeUrlItemL(CDesCArray* aItemArray, 
            CVideoFileDetails* aFileDetails);

        /**
         * This method constructs media format item.
         * @param aItemArray Array where constructed item is put.
         * @param aFileDetails File details.
         * @return void
         */
        void MakeFormatItemL(CDesCArray* aItemArray, 
            CVideoFileDetails* aFileDetails);

        /**
         * This method constructs video resolution item.
         * @param aItemArray Array where constructed item is put.
         * @param aFileDetails File details.
         * @return void
         */
        void MakeResolutionItemL(CDesCArray* aItemArray,
            CVideoFileDetails* aFileDetails);

        /**
         * This method constructs media duration item.
         * @param aItemArray Array where constructed item is put.
         * @param aFileDetails File details.
         * @return void
         */
        void MakeDurationItemL(CDesCArray* aItemArray,
            CVideoFileDetails* aFileDetails);

        /**
         * This method constructs bitrate item.
         * @param aItemArray Array where constructed item is put.
         * @param aFileDetails File details.
         * @return void
         */
        void MakeBitrateItemL(CDesCArray* aItemArray,
            CVideoFileDetails* aFileDetails);

        /**
         * This method constructs file size item.
         * @param aItemArray Array where constructed item is put.
         * @param aFileDetails File details.
         * @return void
         */
        void MakeSizeItemL(CDesCArray* aItemArray,
            CVideoFileDetails* aFileDetails);

        /**
         * This method constructs date item.
         * @param aItemArray Array where constructed item is put.
         * @param aFileDetails File details.
         * @return void
         */
        void MakeDateItemL(CDesCArray* aItemArray,
            CVideoFileDetails* aFileDetails);

        /**
         * This method constructs time item.
         * @param aItemArray Array where constructed item is put.
         * @param aFileDetails File details.
         * @return void
         */
        void MakeTimeItemL(CDesCArray* aItemArray,
            CVideoFileDetails* aFileDetails);

        /**
         * This method constructs copyright item.
         * @param aItemArray Array where constructed item is put.
         * @param aFileDetails File details.
         * @return void
         */
        void MakeCopyrightItemL(CDesCArray* aItemArray,
            CVideoFileDetails* aFileDetails);

    private:    // Data
        CAknDoublePopupMenuStyleListBox* iListBox;
        CActiveSchedulerWait iWait;
        TInt iResult;
    };

/**
 *  CPDummyController
 *  Used together with CVideoFileDetailsDialog to retrieve the information for
 *  the video file. Basically, it does nothing but absorb all the key presses.
 */
class CPDummyController : public CCoeControl
    {
    public:  // Constructors and destructor
        /**
         * Two-phased constructor.
         */
        static CPDummyController* NewLC();

        /**
         * Destructor.
         */
        virtual ~CPDummyController();

    public: // New functions
        /**
         * Controls window handle.
         * @return controllers RWindow
         */
        inline RWindow& GetClientWindow();

        /**
         * Controls WsSession.
         * @return controllers RWsSession
         */
        inline RWsSession& GetClientWsSession();

        /**
         * Controls ScreenDevice
         * @return controllers CWsScreenDevice
         */
        inline CWsScreenDevice& GetScreenDevice();

    private: // Functions from CCoeControl
        /**
		 * See CCoeControl::OfferKeyEventL()
		 */
        virtual TKeyResponse OfferKeyEventL(const TKeyEvent& aKeyEvent,
            TEventCode aType);

    private:
        /**
         * C++ default constructor.
         */
        CPDummyController();

        /**
         * By default Symbian 2nd phase constructor is private.
         */
        void ConstructL();
    };

/*
-----------------------------------------------------------------------------

    inline RWindow& CPDummyController::GetClientWindow()

	Description: This method returns client window handle.
	Comments   :

    Return values: Client window handle

-----------------------------------------------------------------------------
*/
    inline RWindow& CPDummyController::GetClientWindow()
        {
        return Window();
        }

/*
-----------------------------------------------------------------------------

    inline RWsSession& CPDummyController::GetClientWsSession()

	Description: This method returns client WsSession.
	Comments   :

    Return values: Client WsSession

-----------------------------------------------------------------------------
*/
    inline RWsSession& CPDummyController::GetClientWsSession()
        {
        return ControlEnv()->WsSession();
        }

/*
-----------------------------------------------------------------------------

    inline CWsScreenDevice& CPDummyController::GetScreenDevice()

	Description: This method returns client ScreenDevice.
	Comments   :

    Return values: Client ScreenDevice

-----------------------------------------------------------------------------
*/
    inline CWsScreenDevice& CPDummyController::GetScreenDevice()
        {
        return *(ControlEnv()->ScreenDevice());
        }

#endif // __VIDEOFILEDETAILSDIALOG_H__