videoplayerapp/videoplayerengine/src/videoplayerengine.cpp
author hgs
Fri, 16 Apr 2010 18:13:14 +0300
changeset 36 8aed59de29f9
parent 35 3738fe97f027
child 37 4eb2df7f7cbe
permissions -rw-r--r--
201015
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/*
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* Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies).
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* All rights reserved.
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* This component and the accompanying materials are made available
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* under the terms of "Eclipse Public License v1.0"
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* which accompanies this distribution, and is available
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* at the URL "http://www.eclipse.org/legal/epl-v10.html".
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*
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* Initial Contributors:
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* Nokia Corporation - initial contribution.
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*
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* Contributors:
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*
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* Description:  Implementation of VideoPlayerEngine
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*
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*/
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// Version : %version: da1mmcf#25 %
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#include <QApplication>
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#include <hbinstance.h>
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#include <xqpluginloader.h>
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#include <xqplugininfo.h>
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#include <xqserviceutil.h>
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#include <hbview.h>
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#include "videoplayerengine.h"
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#include "mpxvideoplaybackwrapper.h"
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#include "videoservices.h"
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#include "mpxvideo_debug.h"
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// -------------------------------------------------------------------------------------------------
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// QVideoPlayerEngine()
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// -------------------------------------------------------------------------------------------------
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//
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QVideoPlayerEngine::QVideoPlayerEngine( bool isService )
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    : mIsService( isService )
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    , mEmbedded( false )
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    , mDelayedLoadDone( false )
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    , mCurrentViewPlugin( 0 )
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    , mPlaybackViewPlugin( 0 )
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    , mCollectionViewPlugin( 0 )
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    , mFileDetailsViewPlugin( 0 )
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    , mPlaybackWrapper( 0 )
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    , mVideoServices( 0 )
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{
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    MPX_DEBUG(_L("QVideoPlayerEngine::QVideoPlayerEngine()"));
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}
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// -------------------------------------------------------------------------------------------------
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// ~QVideoPlayerEngine()
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// -------------------------------------------------------------------------------------------------
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//
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QVideoPlayerEngine::~QVideoPlayerEngine()
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{
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    MPX_ENTER_EXIT(_L("QVideoPlayerEngine::~QVideoPlayerEngine()"));
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    if ( mVideoServices )
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    {
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    	mVideoServices->decreaseReferenceCount();
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    	mVideoServices = 0;
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    }
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    if ( mCollectionViewPlugin ) 
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    {
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        mCollectionViewPlugin->destroyView();
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    }
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    if ( mPlaybackViewPlugin ) 
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    {
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        mPlaybackViewPlugin->destroyView();
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    }
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    if ( mFileDetailsViewPlugin ) 
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    {
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        mFileDetailsViewPlugin->destroyView();
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    }
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    delete mPlaybackWrapper;
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    // disconnect all signals 
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    disconnect();
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}
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// -------------------------------------------------------------------------------------------------
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// initialize()
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// -------------------------------------------------------------------------------------------------
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//
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void QVideoPlayerEngine::initialize()
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{
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    MPX_ENTER_EXIT(_L("QVideoPlayerEngine::initialize()"));	
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    //
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    // Clean up QVideoPlayerEngine when qApp try to quit
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    //
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    connect( qApp, SIGNAL( aboutToQuit() ), this, SLOT( handleQuit() ) );
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    //
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    // Create playback wrapper
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    //
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    if ( !mPlaybackWrapper )
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    {
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        mPlaybackWrapper = new QMpxVideoPlaybackWrapper();
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        connect( mPlaybackWrapper,
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                 SIGNAL( handlePlaybackView( int ) ),
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                 this,
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                 SLOT( handleCommand( int ) ) );
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    }
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    //
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    // Get VideoServices instance
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    //
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    if( mIsService && !mVideoServices )
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    {
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		mVideoServices = VideoServices::instance(this);
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		connect( mVideoServices, SIGNAL(activated(int)), this, SLOT(handleCommand(int)));
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    }
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    QList<XQPluginInfo> impls;
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    XQPluginLoader::listImplementations("org.nokia.mmdt.MpxViewPlugin/1.0", impls);
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    //
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    // Pre-load collection plugin and create collection view
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    //
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    loadPluginAndCreateView( MpxHbVideoCommon::CollectionView );
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    //
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    // if app is opened via serviceFW create remaining views
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    // otherwise activate default view i.e. the collection view.    
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    //
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    if( mIsService )
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    {
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        createPlayAndDetailsViews(); 
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    }
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    else
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    {        
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        activateView( MpxHbVideoCommon::CollectionView );
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    }
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    // delayed initialization of some uiengine member variables
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    // to help application startup time & improve playback start time
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    //
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    mPlaybackWrapper->lateInit();         
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}
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// -------------------------------------------------------------------------------------------------
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// handleCommand()
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// -------------------------------------------------------------------------------------------------
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//
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void QVideoPlayerEngine::handleCommand( int commandCode )
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{
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    MPX_ENTER_EXIT(_L("QVideoPlayerEngine::handleCommand()"),
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                   _L("commandCode = %d"), commandCode );
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    switch ( commandCode )
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    {
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        case MpxHbVideoCommon::ActivateCollectionView:
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        {
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            if ( mCurrentViewPlugin != mCollectionViewPlugin )
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            { 
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                activateView( MpxHbVideoCommon::CollectionView );
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            }
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            break;
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        }
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        case MpxHbVideoCommon::ActivatePlaybackView:
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        {
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            if ( mCurrentViewPlugin != mPlaybackViewPlugin )
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            {                
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                activateView( MpxHbVideoCommon::PlaybackView );                
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            }
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            break;
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        }
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        case MpxHbVideoCommon::ActivateVideoDetailsView:
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        {
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            if ( mCurrentViewPlugin != mFileDetailsViewPlugin )
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			{
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				activateView( MpxHbVideoCommon::VideoDetailsView );                
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            }
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            break;
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        }
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        case MpxHbVideoCommon::DoDelayedLoad:
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        {
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			if ( !mDelayedLoadDone )
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			{
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				doDelayedLoad();
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			}
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            break;
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        }
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        default:
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        {
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            break;
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        }
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    }    
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}
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// -------------------------------------------------------------------------------------------------
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// doDelayedLoad()
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// -------------------------------------------------------------------------------------------------
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//
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void QVideoPlayerEngine::doDelayedLoad()
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{
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    MPX_ENTER_EXIT(_L("QVideoPlayerEngine::doDelayedLoad()"));
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    createPlayAndDetailsViews();
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	mDelayedLoadDone = true;
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}
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// -------------------------------------------------------------------------------------------------
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// createPlayAndDetailsViews()
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// -------------------------------------------------------------------------------------------------
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//
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void QVideoPlayerEngine::createPlayAndDetailsViews()
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{
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    MPX_ENTER_EXIT(_L("QVideoPlayerEngine::createPlayAndDetailsViews()"));
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    if ( ! mPlaybackViewPlugin )
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    {
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        loadPluginAndCreateView( MpxHbVideoCommon::PlaybackView );
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    }
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    if ( ! mFileDetailsViewPlugin )
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    {
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        loadPluginAndCreateView( MpxHbVideoCommon::VideoDetailsView );
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    }    
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}
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// -------------------------------------------------------------------------------------------------
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// activateView()
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// activate view based on view type.
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// -------------------------------------------------------------------------------------------------
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//
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void QVideoPlayerEngine::activateView( MpxHbVideoCommon::MpxHbVideoViewType viewType )
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{
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    MPX_ENTER_EXIT(_L("QVideoPlayerEngine::activateView() "),
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                   _L("viewType = %d"), viewType );
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    disconnectView();
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    if ( mCurrentViewPlugin )
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    {
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        mCurrentViewPlugin->deactivateView();
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        mCurrentViewPlugin = NULL;
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    }
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    if ( viewType == MpxHbVideoCommon::CollectionView && mCollectionViewPlugin  ) 
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    {
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        if ( mIsService &&  
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             ( mVideoServices->currentService() == VideoServices::EPlayback ||
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               mVideoServices->currentService() == VideoServices::EView ) )
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        {
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            qApp->quit();
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            XQServiceUtil::toBackground( false );
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        }
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        else
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        {
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            mCurrentViewPlugin = mCollectionViewPlugin;
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            setCurrentView();
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        }
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    }
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    else if ( viewType == MpxHbVideoCommon::PlaybackView ) 
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    {
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		if( ! mPlaybackViewPlugin )
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    	{
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    		loadPluginAndCreateView( MpxHbVideoCommon::PlaybackView );
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        }
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        mCurrentViewPlugin = mPlaybackViewPlugin;
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        setCurrentView();
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    }
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    else if ( viewType == MpxHbVideoCommon::VideoDetailsView ) 
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    {
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		if( ! mFileDetailsViewPlugin )
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    	{
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    		loadPluginAndCreateView( MpxHbVideoCommon::VideoDetailsView );	
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    	}
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        mCurrentViewPlugin = mFileDetailsViewPlugin;
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        setCurrentView();
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    }
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}
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// -------------------------------------------------------------------------------------------------
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// loadPluginAndCreateView()
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// -------------------------------------------------------------------------------------------------
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//
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void QVideoPlayerEngine::loadPluginAndCreateView( MpxHbVideoCommon::MpxHbVideoViewType viewType )
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{
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    MPX_ENTER_EXIT(_L("QVideoPlayerEngine::loadPluginAndCreateView() "), 
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                   _L("viewType = %d"), viewType );
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    int viewTypeUid( 0 );
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    if ( viewType == MpxHbVideoCommon::CollectionView ) 
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    {
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        viewTypeUid = MpxHbVideoCommon::KMpxVideoPluginDllCollectionUid;
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    }
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    else if ( viewType == MpxHbVideoCommon::PlaybackView ) 
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    {
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        viewTypeUid = MpxHbVideoCommon::KMpxVideoPluginDllPlaybackUid;
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    }
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    else if( viewType == MpxHbVideoCommon::VideoDetailsView )
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    {
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        viewTypeUid = MpxHbVideoCommon::KMpxVideoPluginDllFileDetailsUid;
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   309
    }
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parents:
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   310
hgs
parents:
diff changeset
   311
    if ( viewTypeUid )
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parents:
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   312
    {
36
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   313
        // 
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   314
		// load corresponding plug-in
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   315
		//
30
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   316
        XQPluginLoader pluginLoader( viewTypeUid );
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   317
        QObject* instance = pluginLoader.instance();
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parents:
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   318
hgs
parents:
diff changeset
   319
        if ( instance )
hgs
parents:
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   320
        {
36
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parents: 35
diff changeset
   321
            MpxViewPlugin *currentViewPlugin = NULL;
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   322
30
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   323
            if ( viewType == MpxHbVideoCommon::CollectionView ) 
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   324
            {
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   325
                mCollectionViewPlugin = qobject_cast<MpxViewPlugin*>( instance )->viewPlugin();
36
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   326
                currentViewPlugin = mCollectionViewPlugin;
30
hgs
parents:
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   327
            }
hgs
parents:
diff changeset
   328
            else if ( viewType == MpxHbVideoCommon::PlaybackView )
hgs
parents:
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   329
            {
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parents:
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   330
                mPlaybackViewPlugin = qobject_cast<MpxViewPlugin*>( instance )->viewPlugin();
36
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   331
                currentViewPlugin = mPlaybackViewPlugin;
30
hgs
parents:
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   332
            }
hgs
parents:
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   333
            else if ( viewType == MpxHbVideoCommon::VideoDetailsView )
hgs
parents:
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   334
            {
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parents:
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   335
                mFileDetailsViewPlugin = qobject_cast<MpxViewPlugin*>( instance )->viewPlugin();
36
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diff changeset
   336
                currentViewPlugin = mFileDetailsViewPlugin;
30
hgs
parents:
diff changeset
   337
            }
36
hgs
parents: 35
diff changeset
   338
            else
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parents: 35
diff changeset
   339
            {
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diff changeset
   340
                MPX_DEBUG(_L("QVideoPlayerEngine::loadPluginAndCreateView() : plugin not FOUND ! "));                
hgs
parents: 35
diff changeset
   341
            }
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parents: 35
diff changeset
   342
            
hgs
parents: 35
diff changeset
   343
			//
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   344
			// create corresponding view
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diff changeset
   345
			//
hgs
parents: 35
diff changeset
   346
            if ( currentViewPlugin ) 
hgs
parents: 35
diff changeset
   347
            {
hgs
parents: 35
diff changeset
   348
                QGraphicsWidget *view = currentViewPlugin->getView();
hgs
parents: 35
diff changeset
   349
          
hgs
parents: 35
diff changeset
   350
                if ( ! view )
hgs
parents: 35
diff changeset
   351
                {
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parents: 35
diff changeset
   352
                    MPX_DEBUG(_L("QVideoPlayerEngine::loadPluginAndCreateView() : create view "));
hgs
parents: 35
diff changeset
   353
                    
hgs
parents: 35
diff changeset
   354
                    currentViewPlugin->createView();
hgs
parents: 35
diff changeset
   355
                    hbInstance->allMainWindows().value(0)->addView( currentViewPlugin->getView() );
hgs
parents: 35
diff changeset
   356
                }
hgs
parents: 35
diff changeset
   357
                else
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parents: 35
diff changeset
   358
                {
hgs
parents: 35
diff changeset
   359
                    MPX_DEBUG(_L("QVideoPlayerEngine::loadPluginAndCreateView() : view has already been created! "));                    
hgs
parents: 35
diff changeset
   360
                }
hgs
parents: 35
diff changeset
   361
            }
hgs
parents: 35
diff changeset
   362
            else
hgs
parents: 35
diff changeset
   363
            {
hgs
parents: 35
diff changeset
   364
                MPX_DEBUG(_L("QVideoPlayerEngine::loadPluginAndCreateView() : currentViewPlugin is NULL ! "));                    
hgs
parents: 35
diff changeset
   365
            }            
30
hgs
parents:
diff changeset
   366
        }
hgs
parents:
diff changeset
   367
    }
hgs
parents:
diff changeset
   368
}
hgs
parents:
diff changeset
   369
hgs
parents:
diff changeset
   370
// -------------------------------------------------------------------------------------------------
hgs
parents:
diff changeset
   371
// connectView()
hgs
parents:
diff changeset
   372
// connect application to view by setting up the signals and slots.
hgs
parents:
diff changeset
   373
// -------------------------------------------------------------------------------------------------
hgs
parents:
diff changeset
   374
//
hgs
parents:
diff changeset
   375
void QVideoPlayerEngine::connectView()
hgs
parents:
diff changeset
   376
{
36
hgs
parents: 35
diff changeset
   377
    MPX_ENTER_EXIT(_L("QVideoPlayerEngine::connectView()"));
35
hgs
parents: 34
diff changeset
   378
	  
30
hgs
parents:
diff changeset
   379
    connect( mCurrentViewPlugin,
hgs
parents:
diff changeset
   380
             SIGNAL( command( int ) ),
hgs
parents:
diff changeset
   381
             this,
hgs
parents:
diff changeset
   382
             SLOT( handleCommand( int ) ) );
hgs
parents:
diff changeset
   383
}
hgs
parents:
diff changeset
   384
hgs
parents:
diff changeset
   385
// -------------------------------------------------------------------------------------------------
hgs
parents:
diff changeset
   386
// disconnectView()
hgs
parents:
diff changeset
   387
// connect application to view by setting up the signals and slots.
hgs
parents:
diff changeset
   388
// -------------------------------------------------------------------------------------------------
hgs
parents:
diff changeset
   389
//
hgs
parents:
diff changeset
   390
void QVideoPlayerEngine::disconnectView()
hgs
parents:
diff changeset
   391
{
36
hgs
parents: 35
diff changeset
   392
    MPX_ENTER_EXIT(_L("QVideoPlayerEngine::disconnectView()"));
35
hgs
parents: 34
diff changeset
   393
	  
30
hgs
parents:
diff changeset
   394
    if ( mCurrentViewPlugin )
hgs
parents:
diff changeset
   395
    {
hgs
parents:
diff changeset
   396
        disconnect( mCurrentViewPlugin,
hgs
parents:
diff changeset
   397
                    SIGNAL( command( int ) ),
hgs
parents:
diff changeset
   398
                    this,
hgs
parents:
diff changeset
   399
                    SLOT( handleCommand( int ) ) );   
hgs
parents:
diff changeset
   400
    }
hgs
parents:
diff changeset
   401
}
hgs
parents:
diff changeset
   402
hgs
parents:
diff changeset
   403
// -------------------------------------------------------------------------------------------------
hgs
parents:
diff changeset
   404
// handleQuit()
hgs
parents:
diff changeset
   405
// -------------------------------------------------------------------------------------------------
hgs
parents:
diff changeset
   406
//
hgs
parents:
diff changeset
   407
void QVideoPlayerEngine::handleQuit()
hgs
parents:
diff changeset
   408
{
36
hgs
parents: 35
diff changeset
   409
    MPX_ENTER_EXIT(_L("QVideoPlayerEngine::handleQuit()"));
35
hgs
parents: 34
diff changeset
   410
	  
30
hgs
parents:
diff changeset
   411
    delete this;
hgs
parents:
diff changeset
   412
}
hgs
parents:
diff changeset
   413
hgs
parents:
diff changeset
   414
hgs
parents:
diff changeset
   415
// -------------------------------------------------------------------------------------------------
hgs
parents:
diff changeset
   416
// playMedia()
hgs
parents:
diff changeset
   417
// -------------------------------------------------------------------------------------------------
hgs
parents:
diff changeset
   418
//
hgs
parents:
diff changeset
   419
void QVideoPlayerEngine::playMedia( QString filePath )
hgs
parents:
diff changeset
   420
{
36
hgs
parents: 35
diff changeset
   421
    MPX_ENTER_EXIT(_L("QVideoPlayerEngine::playMedia()"),
hgs
parents: 35
diff changeset
   422
                   _L("filePath = %s"), filePath.data() );  
35
hgs
parents: 34
diff changeset
   423
	  	
30
hgs
parents:
diff changeset
   424
    mPlaybackWrapper->playMedia( filePath );
hgs
parents:
diff changeset
   425
}
hgs
parents:
diff changeset
   426
hgs
parents:
diff changeset
   427
// -------------------------------------------------------------------------------------------------
36
hgs
parents: 35
diff changeset
   428
// playMedia()
hgs
parents: 35
diff changeset
   429
// -------------------------------------------------------------------------------------------------
hgs
parents: 35
diff changeset
   430
//
hgs
parents: 35
diff changeset
   431
void QVideoPlayerEngine::playMedia( RFile file )
hgs
parents: 35
diff changeset
   432
{
hgs
parents: 35
diff changeset
   433
    MPX_ENTER_EXIT(_L("QVideoPlayerEngine::playMedia( RFile )")); 
hgs
parents: 35
diff changeset
   434
        
hgs
parents: 35
diff changeset
   435
    mPlaybackWrapper->playMedia( file );    
hgs
parents: 35
diff changeset
   436
}
hgs
parents: 35
diff changeset
   437
hgs
parents: 35
diff changeset
   438
// -------------------------------------------------------------------------------------------------
30
hgs
parents:
diff changeset
   439
// setEmbedded()
hgs
parents:
diff changeset
   440
// -------------------------------------------------------------------------------------------------
hgs
parents:
diff changeset
   441
//
hgs
parents:
diff changeset
   442
void QVideoPlayerEngine::setEmbedded()
hgs
parents:
diff changeset
   443
{
36
hgs
parents: 35
diff changeset
   444
    MPX_ENTER_EXIT(_L("QVideoPlayerEngine::setEmbedded()")); 
35
hgs
parents: 34
diff changeset
   445
	  
30
hgs
parents:
diff changeset
   446
    mEmbedded = true;
hgs
parents:
diff changeset
   447
}
hgs
parents:
diff changeset
   448
36
hgs
parents: 35
diff changeset
   449
// -------------------------------------------------------------------------------------------------
hgs
parents: 35
diff changeset
   450
// setCurrentView()
hgs
parents: 35
diff changeset
   451
// -------------------------------------------------------------------------------------------------
hgs
parents: 35
diff changeset
   452
//
hgs
parents: 35
diff changeset
   453
void QVideoPlayerEngine::setCurrentView()
hgs
parents: 35
diff changeset
   454
{
hgs
parents: 35
diff changeset
   455
    MPX_ENTER_EXIT(_L("QVideoPlayerEngine::setCurrentView()")); 
hgs
parents: 35
diff changeset
   456
	
hgs
parents: 35
diff changeset
   457
    if ( mCurrentViewPlugin )
hgs
parents: 35
diff changeset
   458
    {
hgs
parents: 35
diff changeset
   459
        //
hgs
parents: 35
diff changeset
   460
        // set current view
hgs
parents: 35
diff changeset
   461
        //
hgs
parents: 35
diff changeset
   462
        hbInstance->allMainWindows().value(0)->setCurrentView( 
hgs
parents: 35
diff changeset
   463
		                            qobject_cast<HbView*>( mCurrentViewPlugin->getView() ), false );
hgs
parents: 35
diff changeset
   464
hgs
parents: 35
diff changeset
   465
        //
hgs
parents: 35
diff changeset
   466
        // connect view
hgs
parents: 35
diff changeset
   467
        //
hgs
parents: 35
diff changeset
   468
        connectView();
hgs
parents: 35
diff changeset
   469
hgs
parents: 35
diff changeset
   470
        // 
hgs
parents: 35
diff changeset
   471
        // activate view
hgs
parents: 35
diff changeset
   472
        //
hgs
parents: 35
diff changeset
   473
        mCurrentViewPlugin->activateView();
hgs
parents: 35
diff changeset
   474
    }
hgs
parents: 35
diff changeset
   475
}
hgs
parents: 35
diff changeset
   476
hgs
parents: 35
diff changeset
   477
30
hgs
parents:
diff changeset
   478
// End of file