videoplayerapp/videoplayerengine/src/mpxvideoplayerappuiengine.cpp
author Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
Fri, 16 Apr 2010 14:59:52 +0300
changeset 15 cf5481c2bc0b
child 17 69946d1824c4
permissions -rw-r--r--
Revision: 201011 Kit: 201015

/*
* 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 %



#include <mpxcommand.h>
#include <mpxcommandgeneraldefs.h>
#include <mpxmessagegeneraldefs.h>
#include <mpxplaybackmessage.h>
#include <mpxplaybackutility.h>
#include <mpxcollectionmessage.h>
#include <mpxmediageneraldefs.h>
#include <mpxcollectionmessagedefs.h>
#include <vcxmyvideosdefs.h>
#include <mpxcollectionpath.h>
#include <videoplayeractivationmessage.h>
#include <AiwGenericParam.h>
#include <mpxcollectionuihelper.h>
#include <mpxcollectionhelperfactory.h>
#include <mpxcollectionplugin.hrh>
#include <mpxmediageneralextdefs.h>
#include <mmf/common/mmfcontrollerframeworkbase.h>

#include <streaminglinkmodel.h>
#include <coeutils.h>
#include <videoplaylistutility.h>
#include <mpxvideoplaybackdefs.h>

#include "mpxvideoplayerappuiengine.h"
#include "mpxvideoplayerconstants.h"
#include "mpxvideoembeddedpdlhandler.h"
#include "mpxvideoplaybackwrapper.h"
#include "mpxhbvideocommondefs.h"

#include "mpxvideo_debug.h"

// -------------------------------------------------------------------------------------------------
//   CMpxVideoPlayerAppUiEngine::CMpxVideoPlayerAppUiEngine
// -------------------------------------------------------------------------------------------------
//
CMpxVideoPlayerAppUiEngine::CMpxVideoPlayerAppUiEngine( QMpxVideoPlaybackWrapper* aWrapper )
    : iPlaybackUtility( NULL ),
      iCollectionUtility( NULL ),
      iExitAo( NULL ),
      iRecognizer( NULL ),
      iAccessPointId( KUseDefaultIap ),
      iMultilinkPlaylist( EFalse ),
      iSeekable( ETrue ),
      iUpdateSeekInfo( EFalse ),
      iPlaybackWrapper( aWrapper )
{
}

// -------------------------------------------------------------------------------------------------
//   CMpxVideoPlayerAppUiEngine::NewL
// -------------------------------------------------------------------------------------------------
//
CMpxVideoPlayerAppUiEngine* CMpxVideoPlayerAppUiEngine::NewL( QMpxVideoPlaybackWrapper* aWrapper )
{
    MPX_ENTER_EXIT(_L("CMpxVideoPlayerAppUiEngine::NewL()"));

    CMpxVideoPlayerAppUiEngine* self = new( ELeave) CMpxVideoPlayerAppUiEngine( aWrapper );

    CleanupStack::PushL(self);
    self->ConstructL();
    CleanupStack::Pop(self);
    return self;
}

// -------------------------------------------------------------------------------------------------
//   CMpxVideoPlayerAppUiEngine::ConstructL
// -------------------------------------------------------------------------------------------------
//
void CMpxVideoPlayerAppUiEngine::ConstructL()
{    
    TUid collectionMode( KUidMpxVideoPlayerApplication );

    iCollectionUtility = MMPXCollectionUtility::NewL( this, collectionMode ); 
}

// -------------------------------------------------------------------------------------------------
//   CMpxVideoPlayerAppUiEngine::PostInitL
// -------------------------------------------------------------------------------------------------
//
void CMpxVideoPlayerAppUiEngine::LateInitL()
{	       
    CreatePlaybackUtilityMemberVariablesL();
        
    iRecognizer = CMediaRecognizer::NewL();
               
    iExitAo = CIdle::NewL( CActive::EPriorityStandard );     
}

// -------------------------------------------------------------------------------------------------
//   CMpxVideoPlayerAppUiEngine::CreateCollectionUtilityMemberVariablesL
// -------------------------------------------------------------------------------------------------
//
void CMpxVideoPlayerAppUiEngine::CreateCollectionUtilityMemberVariablesL()
{
    MPX_ENTER_EXIT(_L("CMpxVideoPlayerAppUiEngine::CreateCollectionUtilityMemberVariablesL()"));

    if ( ! iCollectionUtility )
    {
        //  PLAYLIST default mode
        iCollectionUtility = MMPXCollectionUtility::NewL( this );
    }

    if ( ! iCollectionUiHelper )
    {
        iCollectionUiHelper = CMPXCollectionHelperFactory::NewCollectionUiHelperL();
    }
}

// -------------------------------------------------------------------------------------------------
//   CMpxVideoPlayerAppUiEngine::CreatePlaybackUtilityMemberVariablesL
// -------------------------------------------------------------------------------------------------
//
void CMpxVideoPlayerAppUiEngine::CreatePlaybackUtilityMemberVariablesL()
{
    MPX_ENTER_EXIT(_L("CMpxVideoPlayerAppUiEngine::CreatePlaybackUtilityMemberVariablesL()"));

    if ( ! iPlaybackUtility )
    {
        //
        //  Create VideoHelix playback plugin
        //
        iPlaybackUtility = MMPXPlaybackUtility::UtilityL( EMPXCategoryVideo, KPbModeNewPlayer );
        MMPXPlayerManager& manager = iPlaybackUtility->PlayerManager();
        manager.SelectPlayerL( KVideoHelixPlaybackPluginUid );
        iPlaybackUtility->AddObserverL( *this );
        iPlaybackUtility->CommandL( EPbCmdSetAutoResume, EFalse );
    }
}

// -------------------------------------------------------------------------------------------------
//   CMpxVideoPlayerAppUiEngine::CreateEmbeddedPdlPlaybackUtilityMemberVariablesL
// -------------------------------------------------------------------------------------------------
//
void CMpxVideoPlayerAppUiEngine::CreateEmbeddedPdlPlaybackUtilityMemberVariablesL()
{
    MPX_ENTER_EXIT(_L("CMpxVideoPlayerAppUiEngine::CreateEmbeddedPdlPlaybackUtilityMemberVariablesL()"));

	  CreatePlaybackUtilityMemberVariablesL();
}

// -------------------------------------------------------------------------------------------------
//   CMpxVideoPlayerAppUiEngine::~CMpxVideoPlayerAppUiEngine
// -------------------------------------------------------------------------------------------------
//
CMpxVideoPlayerAppUiEngine::~CMpxVideoPlayerAppUiEngine()
{
    MPX_ENTER_EXIT(_L("CMpxVideoPlayerAppUiEngine::~CMpxVideoPlayerAppUiEngine()"));

    if ( iExitAo )
    {
        delete iExitAo;
        iExitAo = NULL;
    }

    if ( iRecognizer )
    {
        delete iRecognizer;
        iRecognizer = NULL;
    }

    if ( iPdlHandler )
    {
        delete iPdlHandler;
        iPdlHandler = NULL;
    }

    if ( iCollectionUtility )
    {
        iCollectionUtility->Close();
    }

    if ( iCollectionUiHelper )
    {
        iCollectionUiHelper->Close();
    }

    if ( iPlaybackUtility )
    {
        TRAP_IGNORE( iPlaybackUtility->CommandL( EPbCmdClose ) );
        TRAP_IGNORE( iPlaybackUtility->RemoveObserverL( *this ) );
        iPlaybackUtility->Close();
    }
}

// ---------------------------------------------------------------------------
// From MMPXPlaybackObserver
// Handle playback message.
// ---------------------------------------------------------------------------
//
void CMpxVideoPlayerAppUiEngine::HandlePlaybackMessage( CMPXMessage* aMessage, TInt aError )
{
    MPX_ENTER_EXIT(_L("CMpxVideoPlayerAppUiEngine::HandlePlaybackMessage()"));

    if ( aError == KErrNone && aMessage )
    {
        TRAP_IGNORE( DoHandlePlaybackMessageL( *aMessage ) );
    }
}

// ---------------------------------------------------------------------------
// From MMPXViewActivationObserver.
// Handle view activation.
// ---------------------------------------------------------------------------
//
void CMpxVideoPlayerAppUiEngine::HandleViewActivation( const TUid& /*aCurrentViewType*/,
                                                       const TUid& /*aPreviousViewType*/ )
{
}

// ---------------------------------------------------------------------------------------------------------------------
//   CMpxVideoPlayerAppUiEngine::HandleAiwGenericParamListL()
// ---------------------------------------------------------------------------------------------------------------------
//
TInt CMpxVideoPlayerAppUiEngine::HandleAiwGenericParamListL( const CAiwGenericParamList* aParams )
{
    MPX_ENTER_EXIT(_L("CMpxVideoPlayerAppUiEngine::HandleAiwGenericParamListL()"));

    TInt retVal = KErrNone;

    TInt index = 0;

    //
    //  Check if there is a terminate message.  If it exists, exit the application.
    //
    TInt32 terminateID = 0;

    const TAiwGenericParam* paramTerminate =
        aParams->FindFirst( index, EGenericParamTerminate, EVariantTypeTInt32 );

    if ( paramTerminate )
    {
        paramTerminate->Value().Get( terminateID );
    }

    if ( terminateID )
    {
        MPX_DEBUG(_L("CMpxVideoPlayerAppUiEngine::HandleAiwGenericParamListL()  Terminate message received"));

        //
        //  Embedded app is being closed
        //

        //
        // Workaround. Will handle it once AIW gets supported
        //
        //iAppUi->HandleCommandL( EEikCmdExit );

        retVal = KErrCancel;
    }
    else
    {
        //
        //  Determine if these parameters are for PDL
        //
        index = 0;
        TInt32 dlId = KErrNotFound;

        const TAiwGenericParam* genParamDlId =
            aParams->FindFirst( index, EGenericParamDownloadId, EVariantTypeTInt32 );

        if ( genParamDlId )
        {
            genParamDlId->Value().Get( dlId );

            index = 0;

            const TAiwGenericParam* paramFileName =
                aParams->FindFirst( index, EGenericParamFile, EVariantTypeDesC );

            TPtrC fileName;

            //
            //  Set the filename.  The LWPlayerAppUi checks for the
            //  filename and exits if it doesn't exist
            //
            fileName.Set( paramFileName->Value().AsDes() );

            if ( ! iPdlHandler )
            {
                iPdlHandler = CMpxVideoEmbeddedPdlHandler::NewL( this );
            }

            iPdlHandler->ConnectToEmbeddedDownloadL( dlId, fileName );
        }
        else
        {
            //
            //  Check Access Point
            //
            index = 0;

            const TAiwGenericParam* genParamAccessPoint =
                aParams->FindFirst( index, EGenericParamAccessPoint, EVariantTypeTInt32 );

            if ( index >= 0 && genParamAccessPoint )
            {
                TInt32 apId = KErrUnknown;
                genParamAccessPoint->Value().Get( apId );
                iAccessPointId = apId;
            }
        }
    }

    return retVal;
}

// -------------------------------------------------------------------------------------------------
//   CMpxVideoPlayerAppUiEngine::OpenFileL
// -------------------------------------------------------------------------------------------------
//
void CMpxVideoPlayerAppUiEngine::OpenFileL( RFile& aFile, const CAiwGenericParamList* aParams )
{
    MPX_ENTER_EXIT(_L("CMpxVideoPlayerAppUiEngine::OpenFileL(RFile)"));

    TInt err = KErrNone;

    if ( aParams )
    {
        err = HandleAiwGenericParamListL( aParams );
    }

    if ( KErrNone == err && ! iPdlHandler )
    {
        TFileName filename;
        aFile.FullName(filename);

        CMediaRecognizer::TMediaType mediaType = iRecognizer->IdentifyMediaTypeL( filename, aFile );

        if ( mediaType == CMediaRecognizer::ELocalRamFile ||
             mediaType == CMediaRecognizer::ELocalAsxFile )
        {
            HandleMultiLinksFileL( aFile, mediaType );
        }
        else if ( mediaType == CMediaRecognizer::ELocalSdpFile )
        {
            iPlaybackUtility->InitStreamingL( aFile, iAccessPointId );
        }
        else
        {
            iPlaybackUtility->InitL( aFile );
        }
    }

    iRecognizer->FreeFilehandle();

    aFile.Close();
}

// -------------------------------------------------------------------------------------------------
//   CMpxVideoPlayerAppUiEngine::OpenFileL
// -------------------------------------------------------------------------------------------------
//
void CMpxVideoPlayerAppUiEngine::OpenFileL( const TDesC& aFileName )
{
    MPX_ENTER_EXIT(_L("CMpxVideoPlayerAppUiEngine::OpenFileL()"),
                   _L("aFileName = %S"), &aFileName);

    CMediaRecognizer::TMediaType mediaType = iRecognizer->IdentifyMediaTypeL(aFileName);

    if ( mediaType == CMediaRecognizer::ELocalVideoFile )
    {
        iPlaybackUtility->InitL( aFileName );
    }
    // check if aFileName is a path to a ram or asx file
    //          eg. c:\\data\\videos\\ramfile.ram
    else if ( mediaType == CMediaRecognizer::ELocalRamFile ||
              mediaType == CMediaRecognizer::ELocalAsxFile )
    {
        HandleMultiLinksFileL( aFileName, mediaType );
    }
    // check if this is a url eg. rtsp://someaddress/file.3gp
    //
    else if ( iRecognizer->IsValidStreamingPrefix(aFileName) )
    {
        HandleUrlDesL( aFileName );
    }
    else if ( mediaType == CMediaRecognizer::ELocalSdpFile )
    {
        iPlaybackUtility->InitStreamingL( aFileName,
                                         (TDesC8*)(&KDATATYPEVIDEOHELIX),
                                         iAccessPointId );
    }
    else
    {
        iPlaybackUtility->InitL( aFileName );
    }

    iRecognizer->FreeFilehandle();
}

// -------------------------------------------------------------------------------------------------
// Open MPX media to player.
// -------------------------------------------------------------------------------------------------
//
void CMpxVideoPlayerAppUiEngine::OpenMediaL( const CMPXMedia& aMedia )
{
    MPX_ENTER_EXIT(_L("CMpxVideoPlayerAppUiEngine::OpenMediaL()"));

    // Assume MPX medias are always local clips
    CMPXCollectionPath* mediaPath = CMPXCollectionPath::NewL();
    CleanupStack::PushL( mediaPath );

    //
    // Workaround. Need a file like vcxmyvideosuids.h 
    //
    mediaPath->AppendL( 0x20016B97 );
    mediaPath->AppendL( KVcxMvcCategoryIdAll );
        
    mediaPath->AppendL( aMedia.ValueTObjectL<TMPXItemId>( KMPXMediaGeneralId ) );
    mediaPath->SelectL( aMedia.ValueTObjectL<TMPXItemId>( KMPXMediaGeneralId ) );

    CMPXCollectionPlaylist* playList = CMPXCollectionPlaylist::NewL( *mediaPath );
    CleanupStack::PushL( playList );
    playList->SetSingleItemPlaylist();
    playList->SetToFirst();

    iPlaybackUtility->InitL( *playList, ETrue );

    CleanupStack::PopAndDestroy( playList );
    CleanupStack::PopAndDestroy( mediaPath );
}

// -------------------------------------------------------------------------------------------------
// Handle playback message.
// -------------------------------------------------------------------------------------------------
//
void CMpxVideoPlayerAppUiEngine::DoHandlePlaybackMessageL( const CMPXMessage& aMessage )
{
    MPX_ENTER_EXIT(_L("CMpxVideoPlayerAppUiEngine::DoHandlePlaybackMessageL()"));

    TMPXMessageId id( *aMessage.Value<TMPXMessageId>( KMPXMessageGeneralId ) );

    MPX_DEBUG(_L("CMpxVideoPlayerAppUiEngine::DoHandlePlaybackMessageL TMPXMessageId = 0x%08x"), id );

    if ( KMPXMessageGeneral == id )
    {
        TInt event( *aMessage.Value<TInt>( KMPXMessageGeneralEvent ) );

        MPX_DEBUG(_L("CMpxVideoPlayerAppUiEngine::DoHandlePlaybackMessageL() event = %d"), event);

        switch ( event )
        {
            case TMPXPlaybackMessage::EPlayerChanged:
            {
                MPX_DEBUG(_L("    EPlayerChanged"));

                if ( iUpdateSeekInfo )
                {
                    // The plugin has been instantiated, update the media
                    UpdatePbPluginMediaL();
                    iUpdateSeekInfo = EFalse;
                }

                HandlePlaybackPlayerChangedL();
                break;
            }
        }
    }
}

// -------------------------------------------------------------------------------------------------
// Handle playback message for player changed.
// Activate the view which support this player
// -------------------------------------------------------------------------------------------------
//
void CMpxVideoPlayerAppUiEngine::HandlePlaybackPlayerChangedL()
{
    MPX_ENTER_EXIT(_L("CMpxVideoPlayerAppUiEngine::HandlePlaybackPlayerChangedL()"));

    ActivateVideoPlaybackView();
}

// -------------------------------------------------------------------------------------------------
// Creates plugin resolver + creates & activates the video view
// -------------------------------------------------------------------------------------------------
//
void CMpxVideoPlayerAppUiEngine::ActivateVideoPlaybackView()
{
    MPX_ENTER_EXIT(_L("CMpxVideoPlayerAppUiEngine::ActivateVideoPlaybackView()"));
    
    iPlaybackWrapper->openPlaybackView();
}

// -------------------------------------------------------------------------------------------------
// Closed mpx components and readies to application takedown.
// -------------------------------------------------------------------------------------------------
//
void CMpxVideoPlayerAppUiEngine::PrepareCloseMpxL()
{
    MPX_ENTER_EXIT(_L("CMpxVideoPlayerAppUiEngine::PrepareCloseMpxL()"));

    if ( iPlaybackUtility )
    {
        iPlaybackUtility->CommandL( EPbCmdClose );
        MMPXPlayerManager& manager = iPlaybackUtility->PlayerManager();
        TRAP_IGNORE( manager.ClearSelectPlayersL() );
    }
}

// -------------------------------------------------------------------------------------------------
// Sets AppUiEngine in stand alone "mode"
// -------------------------------------------------------------------------------------------------
//
void CMpxVideoPlayerAppUiEngine::StartStandAloneL()
{
    MPX_ENTER_EXIT(_L("CMpxVideoPlayerAppUiEngine::StartStandAloneL()"));

    //
    //  Create the utilities for the stand alone player
    //
    CreatePlaybackUtilityMemberVariablesL();

    // Fetch the video collection UID
    RArray<TUid> uid;
    CleanupClosePushL( uid );

    uid.AppendL( TUid::Uid( KVcxMediaIdMyVideos ) );

    iVideoCollectionId = iCollectionUtility->CollectionIDL( uid.Array() );

    CleanupStack::PopAndDestroy( &uid );

    //
    // Workaround. Don't use mpx view utility yet
    //
    // iViewUtility->SetAsDefaultViewL( KUidMyVideosViewType );
}

// -------------------------------------------------------------------------------------------------
// Handle collection message
// -------------------------------------------------------------------------------------------------
//
void CMpxVideoPlayerAppUiEngine::DoHandleCollectionMessageL( CMPXMessage* aMessage )
{
    MPX_ENTER_EXIT(_L("CMpxVideoPlayerAppUiEngine::DoHandleCollectionMessageL()"));

    TMPXMessageId id = *(aMessage->Value<TMPXMessageId>( KMPXMessageGeneralId ));

    MPX_DEBUG(_L("CMpxVideoPlayerAppUiEngine::DoHandleCollectionMessageL() TMPXMessageId = 0x%08x"), id );

    if ( id == KMPXMessageGeneral )
    {
        TInt event( *( aMessage->Value<TInt> ( KMPXMessageGeneralEvent )) );
        TInt type( *( aMessage->Value<TInt> ( KMPXMessageGeneralType )) );
        TInt data( *( aMessage->Value<TInt> ( KMPXMessageGeneralData )) );

        MPX_DEBUG(_L("CMpxVideoPlayerAppUiEngine::DoHandleCollectionMessageL event %d, type %d, data %d"), event, type, data );

        if ( event == TMPXCollectionMessage::EPathChanged && type == EMcPathChangedByOpen )
        {
            if ( data == EMcItemOpened )
            {
                // An item was opened on the collection. Get the media attributes
                // on the item so we can initiatiate playback
                MPX_DEBUG(_L("CMpxVideoPlayerAppUiEngine::DoHandleCollectionMessageL: EMcItemOpened received. Can open video"));

                CMPXCollectionPath* cPath = iCollectionUtility->Collection().PathL();

                CleanupStack::PushL( cPath );

                if ( cPath->Count() > 0 )
                {
                    MPX_DEBUG(_L("CMpxVideoPlayerAppUiEngine::DoHandleCollectionMessageL: Call MediaL() on collection."));

                     RArray<TMPXAttribute> attribs;
                    CleanupClosePushL( attribs );

                    attribs.Append( KMPXMediaGeneralUri );
                    attribs.Append( KVcxMediaMyVideosDownloadId );
                    iCollectionUtility->Collection().MediaL( *cPath, attribs.Array() );

                    // Create the playlist
                    // Create proper playlist
                    // InitPlaybackEngineL( *cPath );

                    CleanupStack::PopAndDestroy( &attribs );
                }

                CleanupStack::PopAndDestroy( cPath );
            }
            else if ( data == EMcContainerOpened && iMultilinkPlaylist )
            {
                // start the playback for streaming playlists
                // once the playlist is opened
                iMultilinkPlaylist = EFalse;

                // The playlist was opened, initiatiate playback
                MPX_DEBUG(_L("CMpxVideoPlayerAppUiEngine::DoHandleCollectionMessageL: EMcContainerOpened received. initiatiate playback"));

                CMPXCollectionPath* cPath = iCollectionUtility->Collection().PathL();
                CleanupStack::PushL( cPath );

                if ( cPath->Count() > 0 )
                {
                    MPX_DEBUG(_L("CMpxVideoPlayerAppUiEngine::DoHandleCollectionMessageL: Call Playback utility with the playlist."));

                    CMPXCollectionPlaylist* playlist = CMPXCollectionPlaylist::NewL( *cPath );
                    CleanupStack::PushL( playlist );

                    // Set the AutoPlay mode to false
                    playlist->SetAutoPlay(EFalse);
                    // set pre init plugin to false
                    playlist->SetPreInitPlugin(EFalse);

                    iPlaybackUtility->InitL( *playlist, ETrue );
                    CleanupStack::PopAndDestroy( playlist );
                }
                CleanupStack::PopAndDestroy( cPath );
            }
        }
    }
}

// -------------------------------------------------------------------------------------------------
// From MMPXCollectionObserver.
// Handle media properties.
// -------------------------------------------------------------------------------------------------
//
void CMpxVideoPlayerAppUiEngine::DoHandelCollectionMediaL( const CMPXMedia& aMedia )
{
    MPX_ENTER_EXIT(_L("CMpxVideoPlayerAppUiEngine::DoHandelCollectionMediaL()"));

    const TDesC& fileUri = aMedia.ValueText(KMPXMediaGeneralUri);

    MPX_DEBUG(_L("Video URI: %S"), &fileUri );

    if ( aMedia.IsSupported( KVcxMediaMyVideosDownloadId ) &&
         aMedia.ValueTObjectL<TUint32>( KVcxMediaMyVideosDownloadId ) != 0 )
    {
        TUint32 dlId = aMedia.ValueTObjectL<TUint32>( KVcxMediaMyVideosDownloadId );

        if ( ! iPdlHandler )
        {
            iPdlHandler = CMpxVideoEmbeddedPdlHandler::NewL( this );
        }

        iPdlHandler->ConnectToCollectionDownloadL( dlId, const_cast<TDesC&>( fileUri ) );
    }
    else
    {
        //OpenMediaL( aMedia ); // Initialize and initiate playback of a single video

        TPtrC mediaFile( aMedia.ValueText( KMPXMediaGeneralUri ) );
        CMediaRecognizer::TMediaType mediaType = iRecognizer->IdentifyMediaTypeL(mediaFile);
        
        if ( mediaType == CMediaRecognizer::ELocalRamFile ||
             mediaType == CMediaRecognizer::ELocalAsxFile )
        {        
            HandleMultiLinksFileL( mediaFile, mediaType );
        }    
        else
        {
            OpenMediaL( aMedia ); // Initialize and initiate playback of a single video
        }
    }
}

// -------------------------------------------------------------------------------------------------
// Steps back one level back in collection path. Will activate previous view if level exists
// -------------------------------------------------------------------------------------------------
//
void CMpxVideoPlayerAppUiEngine::StepBackCollectionPathL()
{
    MPX_ENTER_EXIT(_L("CMpxVideoPlayerAppUiEngine::StepBackCollectionPathL()"));

    // Back the collection path one level...

    CMPXCollectionPath* cPath = iCollectionUtility->Collection().PathL();
    CleanupStack::PushL( cPath );

    // Don't back up if there are no more levels or will panic
    if ( cPath->Levels() > 1 )
    {
        cPath->Back();
        iCollectionUtility->Collection().OpenL( *cPath );

        //
        // Workaround. Don't use mpx view utility yet
        //
        // iViewUtility->ActivatePreviousViewL();
    }

    CleanupStack::PopAndDestroy( cPath );
}

// -------------------------------------------------------------------------------------------------
// Initialize the playback engine with a collection path
// -------------------------------------------------------------------------------------------------
//
void CMpxVideoPlayerAppUiEngine::InitPlaybackEngineL( CMPXCollectionPath& aPath )
{
    MPX_ENTER_EXIT(_L("CMpxVideoPlayerAppUiEngine::InitPlaybackEngineL()"));

    // Create a playlist with the current collection path
    CMPXCollectionPlaylist* playlist = CMPXCollectionPlaylist::NewL( aPath );
    CleanupStack::PushL( playlist );

    playlist->SetSingleItemPlaylist();
    iPlaybackUtility->InitL( *playlist, ETrue );

    CleanupStack::PopAndDestroy( playlist );
}

// -------------------------------------------------------------------------------------------------
//   CMpxVideoPlayerAppUiEngine::HandleMultiLinksFileL
// -------------------------------------------------------------------------------------------------
//
void CMpxVideoPlayerAppUiEngine::HandleMultiLinksFileL( const TDesC& aFileName,
                                                        CMediaRecognizer::TMediaType aMediaType )
{
    MPX_ENTER_EXIT(_L("CMpxVideoPlayerAppUiEngine::HandleMultiLinksFileL()"),
                   _L("aFileName = %S, type = %d"), &aFileName, aMediaType );

    TBool singleLink;
    TBool localFile;

    CVideoPlaylistUtility* playlistUtil = CVideoPlaylistUtility::NewL();
    CleanupStack::PushL(playlistUtil);

    playlistUtil->GetFileInfoL( aFileName, aMediaType, singleLink, localFile );

    DoHandleMultiLinksFileL( playlistUtil, singleLink, localFile );

    CleanupStack::PopAndDestroy( playlistUtil );
}

// -------------------------------------------------------------------------------------------------
//   CMpxVideoPlayerAppUiEngine::HandleMultiLinksFileL
// -------------------------------------------------------------------------------------------------
//
void CMpxVideoPlayerAppUiEngine::HandleMultiLinksFileL( RFile& aFile,
                                                        CMediaRecognizer::TMediaType aMediaType )
{
    MPX_ENTER_EXIT(_L("CMpxVideoPlayerAppUiEngine::HandleMultiLinksFileL(RFile)"));

    // playlist
    TBool singleLink;
    TBool localFile;

    CVideoPlaylistUtility* playlistUtil = CVideoPlaylistUtility::NewL();
    CleanupStack::PushL(playlistUtil);

    playlistUtil->GetFileInfoL( aFile, aMediaType, singleLink, localFile );

    DoHandleMultiLinksFileL( playlistUtil, singleLink, localFile );

    CleanupStack::PopAndDestroy( playlistUtil );
}


void CMpxVideoPlayerAppUiEngine::DoHandleMultiLinksFileL( CVideoPlaylistUtility* aPlaylistUtil,
                                                          TBool aSingleLink,
                                                          TBool aLocalFile )
{
    MPX_ENTER_EXIT(_L("CMpxVideoPlayerAppUiEngine::DoHandleMultiLinksFileL()"),
                   _L("aSingleLink = %d aLocalFile %d "), aSingleLink, aLocalFile);

    if ( aSingleLink )
    {
        TPtrC link;
        link.Set( aPlaylistUtil->GetLinkLC() );
        iUpdateSeekInfo = ETrue;
        iSeekable = aPlaylistUtil->IsSeekable();

        if ( aLocalFile )
        {
            CMediaRecognizer::TMediaType mediaType = iRecognizer->IdentifyMediaTypeL( link );

            if ( mediaType == CMediaRecognizer::EUnidentified )
            {
                User::Leave( KErrNotSupported );
            }
            else
            {
                iPlaybackUtility->InitL( link );
            }
        }
        else
        {
            iPlaybackUtility->InitStreamingL( link,
                                             (TDesC8*)(&KDATATYPEVIDEOHELIX),
                                             iAccessPointId );
        }
        CleanupStack::PopAndDestroy();  // link
    }
    else
    {

        CMPXMedia* playlist = aPlaylistUtil->GetPlayListL( iAccessPointId );
        CleanupStack::PushL( playlist );

        //  Create FW utility member variables for playlist embedded use case
        CreateCollectionUtilityMemberVariablesL();

        // Set the flag to true
        iMultilinkPlaylist = ETrue;

        // load the in memory plugin
        iCollectionUiHelper->OpenL( KUidMpxVideoPlayerApplication,
                                    *playlist,
                                    this,
                                    EMPXCollectionPluginGallery );

        CleanupStack::PopAndDestroy( playlist );
    }
}

// -------------------------------------------------------------------------------------------------
//   CMpxVideoPlayerAppUiEngine::HandleUrlDesL
// -------------------------------------------------------------------------------------------------
//
void CMpxVideoPlayerAppUiEngine::HandleUrlDesL( const TDesC& aUrl )
{
    MPX_ENTER_EXIT(_L("CMpxVideoPlayerAppUiEngine::HandleUrlDesL()"),
                   _L("aUrl = %S"), &aUrl );

    iPlaybackUtility->InitStreamingL( aUrl,
                                      (TDesC8*)(&KDATATYPEVIDEOHELIX),
                                      iAccessPointId );
}

// -------------------------------------------------------------------------------------------------
//   CMpxVideoPlayerAppUiEngine::ProcessActivationMessageL
// -------------------------------------------------------------------------------------------------
//
void CMpxVideoPlayerAppUiEngine::ProcessActivationMessageL( const TDesC8 &aMsg )
{
    MPX_ENTER_EXIT(_L("CMpxVideoPlayerAppUiEngine::ProcessActivationMessageL()"));

    if ( aMsg.Length() < KVideoPlayerActivationMessageMinLength )
    {
        User::Leave( KErrNotSupported );
    }

    TVideoPlayerActivationMessage msgHandler;
    TPckg<TVideoPlayerActivationMessage> paramsPckg( msgHandler );
    paramsPckg.Copy( aMsg );

    if ( msgHandler.iMsgType == TVideoPlayerActivationMessage::ELaunchVideoToPlayer )
    {
        // Launch video to player, it can be either local video or stream.

        // If there's path and mpx id,
        // clip can be played directly.
        if ( msgHandler.iServiceId && 
             msgHandler.iFullPath.Length() > 0 )
        {
            if ( iRecognizer->IdentifyMediaTypeL( msgHandler.iFullPath )
                  ==  CMediaRecognizer::ELocalVideoFile )
            {
                TMPXItemId id;
                id.iId1 = msgHandler.iServiceId;
				CMPXMedia* media = CMPXMedia::NewL();
                CleanupStack::PushL( media );
				media->SetTObjectValueL<TMPXItemId>( KMPXMediaGeneralId, id );
				OpenMediaL( *media );
				CleanupStack::PopAndDestroy( media );
            }
            else
            {
                // Most likely the clip has been deleted
                User::Leave( KErrNotFound );
            }
        }
    }
}

// -------------------------------------------------------------------------------------------------
//   CMpxVideoPlayerAppUiEngine::HandleMessageL()
// -------------------------------------------------------------------------------------------------
//
TBool CMpxVideoPlayerAppUiEngine::HandleMessageL( TUid aMessageUid,
                                                  const TDesC8& aMessageParameters )
{
    MPX_ENTER_EXIT(_L("CMpxVideoPlayerAppUiEngine::HandleMessageL()"));

    TBool msgHandled = EFalse;

    switch ( aMessageUid.iUid )
    {
        // TVideoPlayerActivationMessage received.
        case KVideoPlayerVodStartPlayer:
        {
            ProcessActivationMessageL( aMessageParameters );
            msgHandled = ETrue;
            break;
        }
        case KVideoPlayerStartPDlPlayer:
        {
            // Start the PDl
            if ( iPdlHandler )
            {
                CBufFlat* paramBuf = CBufFlat::NewL( 1 );
                CleanupStack::PushL( paramBuf );
                paramBuf->InsertL( 0, aMessageParameters );
                RBufReadStream readStream( *paramBuf );

                CAiwGenericParamList* genParamList = CAiwGenericParamList::NewLC( readStream );

                HandleAiwGenericParamListL( genParamList );

                CleanupStack::PopAndDestroy( genParamList );
                CleanupStack::PopAndDestroy( paramBuf );

                msgHandled = ETrue;
            }

            break;
        }
    }

    return msgHandled;
}

// -------------------------------------------------------------------------------------------------
// Handle Custom messages from the collection
// -------------------------------------------------------------------------------------------------
//
void CMpxVideoPlayerAppUiEngine::HandleCollectionMessage( CMPXMessage* aMessage, TInt aError )
{
    MPX_ENTER_EXIT(_L("CMpxVideoPlayerAppUiEngine::HandleCollectionMessage()"));

    if ( aError == KErrNone && aMessage )
    {
        TRAP_IGNORE( DoHandleCollectionMessageL( aMessage ) )
    }
}

// -------------------------------------------------------------------------------------------------
// From MMPXCollectionObserver.
// Handle media properties.
// -------------------------------------------------------------------------------------------------
//
void CMpxVideoPlayerAppUiEngine::HandleCollectionMediaL( const CMPXMedia& aMedia, TInt aError )
{
    MPX_ENTER_EXIT(_L("CMpxVideoPlayerAppUiEngine::HandleCollectionMediaL()"));

    if ( aError == KErrNone )
    {
        DoHandelCollectionMediaL( aMedia );
    }
}

// -------------------------------------------------------------------------------------------------
// From MMPXCollectionObserver.
// Handles the collection entries being opened.
// -------------------------------------------------------------------------------------------------
//
void CMpxVideoPlayerAppUiEngine::HandleOpenL( const CMPXMedia& /* aEntries */,
                                              TInt /* aIndex */,
                                              TBool /* aComplete */,
                                              TInt aError )
{
    MPX_ENTER_EXIT(_L("CMpxVideoPlayerAppUiEngine::HandleOpenL(CMPXMedia)"));

    if ( aError != KErrNone )
    {
        //
        //  Clip the collection path to root level and reopen
        //  This could happen after a USB refresh event where the
        //  item no longer exists
        //
        CMPXCollectionPath* path = iCollectionUtility->Collection().PathL();

        CleanupStack::PushL( path );

        while( path->Levels() > 1 )
        {
            path->Back();
        }

        iCollectionUtility->Collection().OpenL( *path );
        CleanupStack::PopAndDestroy( path );
    }
}

// -------------------------------------------------------------------------------------------------
// From MMPXCollectionObserver.
// Handles the item being opened.
// -------------------------------------------------------------------------------------------------
//
void CMpxVideoPlayerAppUiEngine::HandleOpenL( const CMPXCollectionPlaylist& aPlaylist, TInt aError )
{
    MPX_ENTER_EXIT(_L("CMpxVideoPlayerAppUiEngine::HandleOpenL(CMPXCollectionPlaylist)"));

    if ( aError == KErrNone )
    {
        iPlaybackUtility->InitL( aPlaylist, EFalse );
    }
}



// -------------------------------------------------------------------------------------------------
// From MMPXCHelperEmbeddedOpenObserver
// Handles OpenL from that occured in embedded mode
// -------------------------------------------------------------------------------------------------
//
void CMpxVideoPlayerAppUiEngine::HandleEmbeddedOpenL( TInt aErr, TMPXGeneralCategory /*aCategory*/ )
{
    MPX_DEBUG(_L("CMPXVideoAppUi::HandleEmbeddedOpenL()"));

    if ( aErr != KErrNone )
    {

        // Kill MPX
        //RunAppShutter();
    }
    else // No error, set the launch mode
    {
        iPlaybackUtility->CommandL( EPbCmdDisableEffect );
    }
}


void CMpxVideoPlayerAppUiEngine::HandleSoftKeyBackL()
{
    MPX_ENTER_EXIT(_L("CMpxVideoPlayerAppUiEngine::HandleSoftKeyBackL()"));

    //
    //  if we're in top level of our local view stack,
    //  back command exits the app.  otherwise activate
    //  the previous view in our local view stack
    //

    //
    // Workaround. Don't use mpx view utility yet
    //
    // if ( iViewUtility->ViewHistoryDepth() <= 1 )
    if ( ETrue )
    {
        ActivateExitActiveObject();
    }
    else
    {
        StepBackCollectionPathL();
    }
}

TBool CMpxVideoPlayerAppUiEngine::ProcessCommandParametersL( TApaCommand aCommand,
                                                             TFileName& aDocumentName,
                                                             const TDesC8& aTail )
{
    MPX_ENTER_EXIT(_L("CMpxVideoPlayerAppUiEngine::ProcessCommandParametersL()"));

    TBool retVal = EFalse;

    //
    //  If command line has tail, this is probably a message from Matrix, Live TV
    //  reminder, Video Center soft notification, or other VC component.
    //
    if ( aTail.Length() > 0 )
    {
        ProcessActivationMessageL( aTail );
    }
    else
    {
        //
        //  If we are embedded or the command is to open a document
        //

        //
        // Workaround. Embedded doesn't work yet
        //
        // if ( iAppUi->IsEmbedded() || aCommand != EApaCommandRun )
        if ( aCommand != EApaCommandRun )
        {
            if ( iRecognizer->IsValidStreamingPrefix( aDocumentName ) )
            {
                retVal = ETrue;
            }
            else
            {
                retVal = ConeUtils::FileExists( aDocumentName );
            }
        }
        else
        {
            StartStandAloneL();
        }
    }

    return retVal;
}

void CMpxVideoPlayerAppUiEngine::ActivateExitActiveObject()
{
    MPX_ENTER_EXIT(_L("CMpxVideoPlayerAppUiEngine::ActivateExitActiveObject()"));

    if ( ! iExitAo->IsActive() )
    {
        iExitAo->Start( TCallBack( CMpxVideoPlayerAppUiEngine::ExitApplicationL, this ) );
    }
}

// -------------------------------------------------------------------------------------------------
//   CMpxVideoPlayerAppUiEngine::ExitApplicationL
// -------------------------------------------------------------------------------------------------
//
TInt CMpxVideoPlayerAppUiEngine::ExitApplicationL( TAny* aPtr )
{
    MPX_DEBUG(_L("CMpxVideoPlayerAppUiEngine::ExitApplicationL()"));

    static_cast<CMpxVideoPlayerAppUiEngine*>(aPtr)->DoExitApplicationL();
    return KErrNone;
}

// -------------------------------------------------------------------------------------------------
//   CMpxVideoPlayerAppUiEngine::DoExitApplicationL
// -------------------------------------------------------------------------------------------------
//
void CMpxVideoPlayerAppUiEngine::DoExitApplicationL()
{
    MPX_ENTER_EXIT(_L("CMpxVideoPlayerAppUiEngine::DoExitApplicationL()"));

    /*iAppUi->HandleCommandL( EEikCmdExit );*/
}

// -------------------------------------------------------------------------------------------------
//   CMpxVideoPlayerAppUiEngine::UpdatePbPluginMedia()
// -------------------------------------------------------------------------------------------------
//
void CMpxVideoPlayerAppUiEngine::UpdatePbPluginMediaL()
{
    MPX_DEBUG(_L("CMpxVideoPlayerAppUiEngine::UpdatePbPluginMediaL()iSeekable %d"), iSeekable);

    CMPXCommand* cmd = CMPXCommand::NewL();
    CleanupStack::PushL( cmd );

    cmd->SetTObjectValueL<TBool>( KMPXCommandGeneralDoSync, ETrue );

    cmd->SetTObjectValueL<TInt>( KMPXCommandGeneralId, KMPXMediaIdVideoPlayback );

    cmd->SetTObjectValueL<TMPXVideoPlaybackCommand>( KMPXMediaVideoPlaybackCommand, 
                                                     EPbCmdUpdateSeekable );

    cmd->SetTObjectValueL<TBool>( KMPXMediaGeneralExtVideoSeekable, iSeekable );

    iPlaybackUtility->CommandL( *cmd );
    
    CleanupStack::PopAndDestroy( cmd );
}

// EOF