/*
* Copyright (c) 2009 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:  CMpxVideoPlayerAppUiEngine
 *
*/

// Version : %version:  5 %



#ifndef CMPXVIDEOPLAYERAPPUIENGINE_H
#define CMPXVIDEOPLAYERAPPUIENGINE_H

#include <e32base.h>
#include <mpxplaybackutility.h>
#include <mpxviewutility.h>
#include <mpxcollectionutility.h>
#include <mpxmessage2.h>
#include <mpxcollectionplaylist.h>
#include <mediarecognizer.h>
#include <mpxplaybackobserver.h>
#include <mpxviewactivationobserver.h>
#include <mpxcollectionobserver.h>
#include <mpxcollectionuihelperobserver.h>

class CMPXCommonUiHelper;
class MMPXCollectionUiHelper;
class CVideoPlaylistUtility;
class QMpxVideoPlaybackWrapper;

/**
*  Application UI class.
*
*  @lib mpxvideoplayer.exe
*  @since MpxVideoPlayer 0.1
*/
class CMpxVideoPlayerAppUiEngine : public CBase,
                                   public MMPXPlaybackObserver,
                                   public MMPXViewActivationObserver,
                                   public MMPXCollectionObserver ,
                                   public MMPXCHelperEmbeddedOpenObserver
{
    public:        // Constructors and destructor
        static CMpxVideoPlayerAppUiEngine* NewL( QMpxVideoPlaybackWrapper* aWrapper );

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

    public:
        /*
         *  Retrieve the playback utility pointer
         */
        inline MMPXPlaybackUtility* PlaybackUtility();

        /**
         * Opens the specified file in response to a corresponding message.
         *
         * @param aFile File to be opened.
         */
        void OpenFileL( const TDesC& aFileName );
        
        /**
         * Opens the specified file in response to a corresponding message.
         *
         * @param aFile File to be opened.
         */        
        void OpenFileL( RFile& aFile );

        /**
         * Opens the specified mpx media object.
         *
         * @param aMedia Media to be opened.
         */
        void OpenMediaL( const CMPXMedia& aMedia );

        /**
         * Handle playback message
         *
         * @param aMessage playback message
         */
        void DoHandlePlaybackMessageL( const CMPXMessage& aMessage );

        /**
         * Handle Player Changed Playback Message
         */
        void HandlePlaybackPlayerChangedL();

        /**
         * Sets mpx components ready for application shutdown
         */
        void PrepareCloseMpxL();

        /**
         * Handle media properties.
         */
        void DoHandelCollectionMediaL( const CMPXMedia& aMedia );

        /*
         * Handle embedded playback message
         * @param aMessageUid message identification uid
         * @param aMessageParameters  aiw generic parameters
         */
        TBool HandleMessageL( TUid aMessageUid,
                              const TDesC8& aMessageParameters );

        /**
         * From MMPXPlaybackObserver
         * Handle playback message
         *
         * @since 3.1
         * @param aMessage playback message
         * @param aErr system error code.
         */
        void HandlePlaybackMessage( CMPXMessage* aMessage, TInt aError );

        /**
         * From MMPXViewActivationObserver
         * Handle view activation.
         *
         * @since 3.1
         * @param aCurrentViewType Current view type Uid.
         * @param aPreviousViewType Previous view type Uid.
         */
        void HandleViewActivation( const TUid& aCurrentViewType, const TUid& aPreviousViewType );


        /**
         *  From MPXCollectionObserver
         *  @since S60 3.2.3
         *  @param aMessage collection message, ownership not transferred.
         *         Please check aMsg is not NULL before using it. If aErr is not
         *         KErrNone, plugin might still call back with more info in the aMsg.
         *  @param aErr system error code
         */
        void HandleCollectionMessage( CMPXMessage* aMsg, TInt /*aErr*/ );

        /**
         * From MMPXCollectionObserver
         * Handle media properties.
         *
         * @since 3.1
         * @param aMedia  media properties.
         * @param aError Error code.
         */
        void HandleCollectionMediaL( const CMPXMedia& aMedia, TInt aError );

         /**
         * From MMPXCollectionObserver
         * Handles the collection entries being opened.
         *
         * @since 3.1
         * @param aEntries Collection entries opened.
         * @param aIndex Focused entry.
         * @param aComplete ETrue no more entries. EFalse more entries
         *                  expected.
         * @param aError Error code.
         */
        void HandleOpenL( const CMPXMedia& aEntries,
                          TInt aIndex,
                          TBool aComplete,
                          TInt aError );

        /**
         * From MMPXCollectionObserver
         * Handles the item being opened.
         *
         * @since 3.1
         * @param aPlaylist Collection playlist, owner ship is transfered.
         * @param aError Error code.
         */
        void HandleOpenL( const CMPXCollectionPlaylist& aPlaylist, TInt aError);

        // from base class MMPXCHelperEmbeddedOpenObserver
            /**
            * From MMPXCHelperEmbeddedOpenObserver
            * Handles errors from opening in embedded mode
            *
            * @since 3.1
            * @param aErr Error code
            * @param aCategory Type of item to be opened.
            */
        void HandleEmbeddedOpenL( TInt aErr, TMPXGeneralCategory aCategory  );
       
        /*
         *  Late initializatoin of members that can be delayed 
         *  to help improve startup time
         *  @since 10.1
         */        
        void LateInitL();

    private:
        /**
         * Constructor
         */
        CMpxVideoPlayerAppUiEngine( QMpxVideoPlaybackWrapper* aWrapper );

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


        void HandleMultiLinksFileL( const TDesC& aFileName,
                                    CMediaRecognizer::TMediaType aMediaType );

        void HandleMultiLinksFileL( RFile& aFile,
                                    CMediaRecognizer::TMediaType aMediaType );

        void DoHandleMultiLinksFileL( CVideoPlaylistUtility* aPlaylistUtil,
                                      TBool aSingleLink,
                                      TBool aLocalFile );

        /**
         *  Handles the Url descriptor
         *
         *  @param aUrl - the ulr to be handled
         */
        void HandleUrlDesL(const TDesC& aUrl);

       /**
       * Handle collection message
       *
       * @param aMessage collection message
       */
       void DoHandleCollectionMessageL( CMPXMessage* aMessage );

       void CreatePlaybackUtilityL();

       void CreateCollectionUtilityMemberVariablesL();
      
	   /*
	   * used to send media info to plugin
	   */
       void UpdatePbPluginMediaL();

       void ActivateVideoPlaybackView();

    private:       // data

        //
        //  Owned Utilities
        //
        MMPXPlaybackUtility*     iPlaybackUtility;
        MMPXCollectionUtility*   iCollectionUtility;
        MMPXCollectionUiHelper*  iCollectionUiHelper;  // own

        TUid iVideoCollectionId;

        CMediaRecognizer*             iRecognizer;       // own

        TInt                     iAccessPointId;
        TBool                    iMultilinkPlaylist;
        TBool                    iSeekable;
        TBool                    iUpdateSeekInfo;

        QMpxVideoPlaybackWrapper* iPlaybackWrapper;
};

//
//  Inline methods
//
inline
MMPXPlaybackUtility* CMpxVideoPlayerAppUiEngine::PlaybackUtility()
{
    return iPlaybackUtility;
}

#endif             // CMPXVIDEOPLAYERAPPUIENGINE_H
