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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: VideoThumbnailDataPrivate class implementation
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*
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*/
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// Version : %version: 21 %
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// INCLUDE FILES
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#include <qapplication.h>
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#include <qpixmap.h>
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#include <qtimer.h>
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#include <mpxmediageneraldefs.h>
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#include <hbicon.h>
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#include <vcxmyvideosdefs.h>
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#include <videocollectioncommon.h>
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#include "videothumbnaildata_p.h"
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#include "videocollectionwrapper.h"
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#include "videosortfilterproxymodel.h"
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#include "videothumbnailfetcher.h"
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#include "videocollectiontrace.h"
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// Maximum thumbnails kept in memory.
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const int THUMBNAIL_CACHE_SIZE = 60;
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// Maximum of thumbnail fetches done at one background fetch round.
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const int THUMBNAIL_BACKGROUND_FETCH_AMOUNT = 20;
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// Milliseconds for the background fetch timer.
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const int THUMBNAIL_BACKGROUND_TIMEOUT = 100;
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// Milliseconds while thumbnail ready events are gathered before they
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// are signaled.
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const int THUMBNAIL_READY_SIGNAL_TIMEOUT = 50;
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// Priority for background thumbnail fetches.
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const int BACKGROUND_FETCH_PRIORITY = 3000;
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/**
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* global qHash function required fo creating hash values for TMPXItemId -keys
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*/
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inline uint qHash(TMPXItemId key)
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{
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QPair<uint, uint> keyPair(key.iId1, key.iId2);
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return qHash(keyPair);
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}
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// ================= MEMBER FUNCTIONS =======================
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//
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// -----------------------------------------------------------------------------
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// VideoThumbnailDataPrivate::VideoThumbnailDataPrivate()
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// -----------------------------------------------------------------------------
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//
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VideoThumbnailDataPrivate::VideoThumbnailDataPrivate()
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: mThumbnailFetcher( 0 )
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, mCurrentModel( 0 )
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, mCurrentFetchIndex( 0 )
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, mCurrentBackgroundFetchCount( 0 )
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, mBgFetchTimer( 0 )
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, mTbnReportTimer( 0 )
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, mSignalsConnected( false )
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, mBackgroundFetchingEnabled( true )
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{
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FUNC_LOG;
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initialize();
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}
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// -----------------------------------------------------------------------------
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// VideoThumbnailDataPrivate::~VideoThumbnailDataPrivate()
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// -----------------------------------------------------------------------------
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//
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VideoThumbnailDataPrivate::~VideoThumbnailDataPrivate()
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{
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FUNC_LOG;
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cleanup();
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}
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// -----------------------------------------------------------------------------
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// VideoThumbnailDataPrivate::initialize()
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// -----------------------------------------------------------------------------
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//
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int VideoThumbnailDataPrivate::initialize()
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{
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FUNC_LOG;
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mThumbnailData.setMaxCost(THUMBNAIL_CACHE_SIZE);
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if(!mThumbnailFetcher)
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{
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mThumbnailFetcher = new VideoThumbnailFetcher();
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}
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if(!mBgFetchTimer)
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{
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mBgFetchTimer = new QTimer();
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}
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if(!mTbnReportTimer)
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{
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mTbnReportTimer = new QTimer();
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}
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if(connectSignals() < 0)
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{
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ERROR(-1, "VideoThumbnailDataPrivate::initialize() failed to connect signals.");
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cleanup();
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return -1;
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}
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return 0;
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}
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// -----------------------------------------------------------------------------
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// VideoThumbnailDataPrivate::cleanup()
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// -----------------------------------------------------------------------------
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//
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void VideoThumbnailDataPrivate::cleanup()
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{
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FUNC_LOG;
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disconnectSignals();
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delete mThumbnailFetcher;
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mThumbnailFetcher = 0;
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freeThumbnailData();
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if(mTbnReportTimer)
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{
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mTbnReportTimer->stop();
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delete mTbnReportTimer;
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mTbnReportTimer = 0;
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}
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if(mBgFetchTimer)
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{
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mBgFetchTimer->stop();
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delete mBgFetchTimer;
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mBgFetchTimer = 0;
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}
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}
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// -----------------------------------------------------------------------------
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// VideoThumbnailDataPrivate::disconnectSignals()
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// -----------------------------------------------------------------------------
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//
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void VideoThumbnailDataPrivate::disconnectSignals()
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{
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FUNC_LOG;
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if(mSignalsConnected)
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{
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VideoSortFilterProxyModel *model =
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VideoCollectionWrapper::instance().getModel(VideoCollectionCommon::EModelTypeAllVideos);
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if(model)
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{
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disconnect(model->sourceModel(), SIGNAL(modelReady()), this, SLOT(modelChangedSlot()));
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disconnect(model->sourceModel(), SIGNAL(modelChanged()), this, SLOT(modelChangedSlot()));
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}
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disconnect(mThumbnailFetcher, SIGNAL(thumbnailReady(QPixmap , const TMPXItemId &, int )),
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this, SLOT(thumbnailReadySlot(QPixmap , const TMPXItemId &, int )));
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disconnect(mThumbnailFetcher, SIGNAL(allThumbnailsFetched()),
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this, SLOT(allThumbnailsFetchedSlot()));
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disconnect(mBgFetchTimer, SIGNAL(timeout()), this, SLOT(doBackgroundFetching()));
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disconnect(mTbnReportTimer, SIGNAL(timeout()), this, SLOT(reportThumbnailsReadySlot()));
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}
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mSignalsConnected = false;
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}
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// -----------------------------------------------------------------------------
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// VideoThumbnailDataPrivate::connectSignals()
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// -----------------------------------------------------------------------------
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//
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int VideoThumbnailDataPrivate::connectSignals()
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{
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FUNC_LOG;
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if(!mSignalsConnected)
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{
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VideoSortFilterProxyModel *model =
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VideoCollectionWrapper::instance().getModel(VideoCollectionCommon::EModelTypeAllVideos);
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if(!model)
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return -1;
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if(!connect(mThumbnailFetcher, SIGNAL(thumbnailReady( QPixmap , const TMPXItemId &, int )),
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this, SLOT(thumbnailReadySlot( QPixmap , const TMPXItemId &, int))) ||
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!connect(mThumbnailFetcher, SIGNAL(allThumbnailsFetched()),
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this, SLOT(allThumbnailsFetchedSlot())) ||
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!connect(model->sourceModel(), SIGNAL(modelReady()), this, SLOT(modelChangedSlot())) ||
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!connect(model->sourceModel(), SIGNAL(modelChanged()), this, SLOT(modelChangedSlot())) ||
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!connect(mBgFetchTimer, SIGNAL(timeout()), this, SLOT(doBackgroundFetching())) ||
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!connect(mTbnReportTimer, SIGNAL(timeout()), this, SLOT(reportThumbnailsReadySlot())))
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{
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return -1;
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}
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QApplication *app = qApp;
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if(!connect(app, SIGNAL(aboutToQuit()), this, SLOT(aboutToQuitSlot())))
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{
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return -1;
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}
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mSignalsConnected = true;
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}
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return 0;
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}
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// -----------------------------------------------------------------------------
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// VideoThumbnailDataPrivate::getThumbnail()
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// -----------------------------------------------------------------------------
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//
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const QIcon* VideoThumbnailDataPrivate::getThumbnail(TMPXItemId mediaId)
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{
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const QIcon *thumbnail = mThumbnailData[mediaId];
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if(!thumbnail)
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{
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return defaultThumbnail(mediaId);
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}
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return thumbnail;
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}
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// -----------------------------------------------------------------------------
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// VideoThumbnailDataPrivate::startFetchingThumbnails()
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// -----------------------------------------------------------------------------
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//
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int VideoThumbnailDataPrivate::startFetchingThumbnails(const QList<QModelIndex> &indexes, int priority)
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{
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FUNC_LOG;
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if(!mCurrentModel || !mThumbnailFetcher)
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{
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return -1;
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}
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if(indexes.count() == 0)
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{
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return 0;
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}
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mThumbnailFetcher->pauseFetching();
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int fetchCountBefore = mThumbnailFetcher->fetchCount();
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// Fetch the thumbnails
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for(int i = 0; i < indexes.count(); i++)
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{
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startFetchingThumbnail(mCurrentModel->getMediaIdAtIndex(indexes[i]), priority--);
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}
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int started = mThumbnailFetcher->fetchCount() - fetchCountBefore;
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// Start the fetches and cancel previous ones.
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mThumbnailFetcher->continueFetching(true);
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return started;
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}
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// -----------------------------------------------------------------------------
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// VideoThumbnailDataPrivate::startFetchingThumbnail()
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// -----------------------------------------------------------------------------
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//
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int VideoThumbnailDataPrivate::startFetchingThumbnail(TMPXItemId mediaId, int priority)
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{
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if(!mCurrentModel || !mThumbnailFetcher)
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{
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return -1;
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}
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// Check that it's not fetched before.
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if(mThumbnailData.contains(mediaId))
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{
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return 0;
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}
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QString fileName = mCurrentModel->getMediaFilePathForId(mediaId);
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// Thumbnail fetcher signals into thumbnailReadySlot when thumbnail ready
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if(fileName.length() > 0)
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{
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mThumbnailFetcher->addFetch(fileName, mediaId, priority);
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}
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return 0;
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}
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// -----------------------------------------------------------------------------
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// VideoThumbnailDataPrivate::doBackgroundFetching()
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// -----------------------------------------------------------------------------
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//
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void VideoThumbnailDataPrivate::doBackgroundFetching()
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{
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FUNC_LOG;
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if(!mCurrentModel || !mThumbnailFetcher)
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{
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return;
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}
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if(mCurrentBackgroundFetchCount >= THUMBNAIL_CACHE_SIZE)
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{
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return;
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}
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int maxIndex = mCurrentModel->rowCount();
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if(maxIndex == 0)
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{
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return;
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}
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// Delta to UI index where fetch has been done already.
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int currentDelta = mCurrentBackgroundFetchCount/2;
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// How many will be fetched.
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const int fetchAmount = THUMBNAIL_BACKGROUND_FETCH_AMOUNT/2;
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QList<QModelIndex> indexes;
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// Items after the current fetch index.
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int startIndex = mCurrentFetchIndex+currentDelta;
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int endIndex = mCurrentFetchIndex+currentDelta+fetchAmount;
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getModelIndexes(indexes, startIndex, endIndex);
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// Items before the current fetch index.
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startIndex = mCurrentFetchIndex-currentDelta-fetchAmount;
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endIndex = mCurrentFetchIndex-currentDelta;
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getModelIndexes(indexes, startIndex, endIndex);
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mCurrentBackgroundFetchCount += THUMBNAIL_BACKGROUND_FETCH_AMOUNT;
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int fetchesStarted = startFetchingThumbnails(indexes, BACKGROUND_FETCH_PRIORITY);
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// No thumbnails to fetch, start again.
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if(fetchesStarted == 0)
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{
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continueBackgroundFetch();
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}
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}
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// -----------------------------------------------------------------------------
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// VideoThumbnailDataPrivate::getModelIndexes()
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// -----------------------------------------------------------------------------
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//
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void VideoThumbnailDataPrivate::getModelIndexes(QList<QModelIndex> &indexes, int startIndex, int endIndex)
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{
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FUNC_LOG;
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QModelIndex index;
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for(int i = startIndex; i < endIndex; i++)
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{
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if(i >= 0)
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{
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index = mCurrentModel->index(i, 0);
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if(index.isValid())
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{
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indexes.append(index);
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}
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}
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}
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}
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// -----------------------------------------------------------------------------
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// VideoThumbnailDataPrivate::thumbnailReadySlot()
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// -----------------------------------------------------------------------------
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//
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void VideoThumbnailDataPrivate::thumbnailReadySlot(QPixmap tnData, const TMPXItemId &mediaId, int error)
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{
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if(!error && !tnData.isNull())
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{
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mThumbnailData.insert(mediaId, new QIcon(tnData));
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// Gather list of media ids and emit thumbnailReady signals in larger set
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// when timer goes off.
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if(mTbnReportTimer && !mTbnReportTimer->isActive())
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{
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mTbnReportTimer->setSingleShot(true);
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mTbnReportTimer->start(THUMBNAIL_READY_SIGNAL_TIMEOUT);
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}
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// Save the media id for the signal.
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mReadyThumbnailMediaIds.append(mediaId);
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}
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}
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// -----------------------------------------------------------------------------
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// VideoThumbnailDataPrivate::reportThumbnailsReadySlot()
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// -----------------------------------------------------------------------------
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//
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void VideoThumbnailDataPrivate::reportThumbnailsReadySlot()
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{
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FUNC_LOG;
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emit thumbnailsFetched(mReadyThumbnailMediaIds);
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mReadyThumbnailMediaIds.clear();
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}
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// -----------------------------------------------------------------------------
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// VideoThumbnailDataPrivate::allThumbnailsFetchedSlot()
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// -----------------------------------------------------------------------------
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//
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void VideoThumbnailDataPrivate::allThumbnailsFetchedSlot()
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{
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FUNC_LOG;
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continueBackgroundFetch();
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}
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// -----------------------------------------------------------------------------
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// VideoThumbnailDataPrivate::modelChangedSlot()
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// -----------------------------------------------------------------------------
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//
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void VideoThumbnailDataPrivate::modelChangedSlot()
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{
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FUNC_LOG;
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startBackgroundFetching(mCurrentModel, mCurrentFetchIndex);
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}
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// -----------------------------------------------------------------------------
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// VideoThumbnailDataPrivate::defaultThumbnail()
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// -----------------------------------------------------------------------------
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//
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const QIcon* VideoThumbnailDataPrivate::defaultThumbnail(TMPXItemId mediaId)
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{
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const TMPXItemId defaultIdVideo(KMaxTUint32-1, KVcxMvcMediaTypeVideo);
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|
424 |
const TMPXItemId defaultIdAlbum(KMaxTUint32-1, KVcxMvcMediaTypeAlbum);
|
|
425 |
const TMPXItemId defaultIdDownloads(KVcxMvcCategoryIdDownloads, KVcxMvcMediaTypeCategory);
|
|
426 |
const TMPXItemId defaultIdCaptured(KVcxMvcCategoryIdCaptured, KVcxMvcMediaTypeCategory);
|
|
427 |
|
|
428 |
// Default thumbnail for video
|
34
|
429 |
if(mediaId.iId2 == KVcxMvcMediaTypeVideo)
|
30
|
430 |
{
|
35
|
431 |
if(!mDefaultThumbnails.contains(defaultIdVideo))
|
|
432 |
{
|
|
433 |
mDefaultThumbnails[defaultIdVideo] = HbIcon(":/icons/default_thumbnail_video.svg");
|
|
434 |
}
|
|
435 |
return &mDefaultThumbnails[defaultIdVideo].qicon();
|
30
|
436 |
}
|
|
437 |
else
|
|
438 |
{
|
35
|
439 |
// Default thumbnail for user defined album.
|
|
440 |
if(mediaId.iId2 == KVcxMvcMediaTypeAlbum)
|
|
441 |
{
|
|
442 |
if(!mDefaultThumbnails.contains(defaultIdAlbum))
|
|
443 |
{
|
36
|
444 |
mDefaultThumbnails[defaultIdAlbum] = HbIcon("qtg_large_video_collection");
|
35
|
445 |
}
|
|
446 |
return &mDefaultThumbnails[defaultIdAlbum].qicon();
|
|
447 |
}
|
|
448 |
|
|
449 |
// Thumbnails for default collections.
|
|
450 |
switch(mediaId.iId1)
|
|
451 |
{
|
|
452 |
case KVcxMvcCategoryIdDownloads:
|
|
453 |
{
|
|
454 |
if(!mDefaultThumbnails.contains(defaultIdDownloads))
|
|
455 |
{
|
|
456 |
mDefaultThumbnails[defaultIdDownloads] = HbIcon("qtg_large_video_download");
|
|
457 |
}
|
|
458 |
return &mDefaultThumbnails[defaultIdDownloads].qicon();
|
|
459 |
}
|
|
460 |
|
|
461 |
case KVcxMvcCategoryIdCaptured:
|
|
462 |
{
|
|
463 |
if(!mDefaultThumbnails.contains(defaultIdCaptured))
|
|
464 |
{
|
|
465 |
mDefaultThumbnails[defaultIdCaptured] = HbIcon("qtg_large_video_capture");
|
|
466 |
}
|
|
467 |
return &mDefaultThumbnails[defaultIdCaptured].qicon();
|
|
468 |
}
|
|
469 |
|
|
470 |
default:
|
|
471 |
{
|
|
472 |
if(!mDefaultThumbnails.contains(defaultIdAlbum))
|
|
473 |
{
|
36
|
474 |
mDefaultThumbnails[defaultIdAlbum] = HbIcon("qtg_large_video_collection");
|
35
|
475 |
}
|
|
476 |
return &mDefaultThumbnails[defaultIdAlbum].qicon();
|
|
477 |
}
|
|
478 |
}
|
30
|
479 |
}
|
|
480 |
}
|
|
481 |
|
|
482 |
// -----------------------------------------------------------------------------
|
|
483 |
// VideoThumbnailDataPrivate::removeThumbnail()
|
|
484 |
// -----------------------------------------------------------------------------
|
|
485 |
//
|
|
486 |
bool VideoThumbnailDataPrivate::removeThumbnail(TMPXItemId mediaId)
|
|
487 |
{
|
36
|
488 |
FUNC_LOG;
|
30
|
489 |
return mThumbnailData.remove(mediaId);
|
|
490 |
}
|
|
491 |
|
|
492 |
// -----------------------------------------------------------------------------
|
|
493 |
// VideoThumbnailDataPrivate::enableBackgroundFetching()
|
|
494 |
// -----------------------------------------------------------------------------
|
|
495 |
//
|
|
496 |
void VideoThumbnailDataPrivate::enableBackgroundFetching(bool enable)
|
|
497 |
{
|
36
|
498 |
FUNC_LOG;
|
|
499 |
INFO_1("VideoThumbnailDataPrivate::enableBackgroundFetching() enable: %d", enable);
|
30
|
500 |
mBackgroundFetchingEnabled = enable;
|
34
|
501 |
startBackgroundFetching(mCurrentModel, 0);
|
|
502 |
}
|
|
503 |
|
|
504 |
// -----------------------------------------------------------------------------
|
|
505 |
// VideoThumbnailDataPrivate::enableThumbnailCreation()
|
|
506 |
// -----------------------------------------------------------------------------
|
|
507 |
//
|
|
508 |
void VideoThumbnailDataPrivate::enableThumbnailCreation(bool enable)
|
|
509 |
{
|
36
|
510 |
FUNC_LOG;
|
|
511 |
INFO_1("VideoThumbnailDataPrivate::enableThumbnailCreation() enable: %d", enable);
|
34
|
512 |
if(mThumbnailFetcher)
|
36
|
513 |
{
|
34
|
514 |
mThumbnailFetcher->enableThumbnailCreation(enable);
|
36
|
515 |
}
|
30
|
516 |
}
|
|
517 |
|
|
518 |
// -----------------------------------------------------------------------------
|
|
519 |
// VideoThumbnailDataPrivate::freeThumbnailData()
|
|
520 |
// -----------------------------------------------------------------------------
|
|
521 |
//
|
|
522 |
void VideoThumbnailDataPrivate::freeThumbnailData()
|
|
523 |
{
|
36
|
524 |
FUNC_LOG;
|
30
|
525 |
// Stop timers.
|
37
|
526 |
if(mBgFetchTimer)
|
36
|
527 |
{
|
30
|
528 |
mBgFetchTimer->stop();
|
36
|
529 |
}
|
30
|
530 |
|
|
531 |
if(mTbnReportTimer)
|
36
|
532 |
{
|
30
|
533 |
mTbnReportTimer->stop();
|
36
|
534 |
}
|
30
|
535 |
|
34
|
536 |
if(mThumbnailFetcher)
|
36
|
537 |
{
|
34
|
538 |
mThumbnailFetcher->cancelFetches();
|
36
|
539 |
}
|
34
|
540 |
|
30
|
541 |
// Clear data.
|
|
542 |
mReadyThumbnailMediaIds.clear();
|
|
543 |
mThumbnailData.clear();
|
35
|
544 |
mDefaultThumbnails.clear();
|
30
|
545 |
}
|
|
546 |
|
|
547 |
// -----------------------------------------------------------------------------
|
|
548 |
// VideoThumbnailDataPrivate::startBackgroundFetching()
|
|
549 |
// -----------------------------------------------------------------------------
|
|
550 |
//
|
34
|
551 |
void VideoThumbnailDataPrivate::startBackgroundFetching(VideoSortFilterProxyModel *model, int fetchIndex)
|
30
|
552 |
{
|
36
|
553 |
FUNC_LOG;
|
37
|
554 |
|
|
555 |
// If model is null, we continue using the current one. Model and index are kept up to date even
|
|
556 |
// fetching is not enabled.
|
34
|
557 |
if(model)
|
36
|
558 |
{
|
34
|
559 |
mCurrentModel = model;
|
36
|
560 |
}
|
34
|
561 |
|
30
|
562 |
mCurrentFetchIndex = fetchIndex;
|
|
563 |
mCurrentBackgroundFetchCount = 0;
|
37
|
564 |
|
|
565 |
if(!mBackgroundFetchingEnabled || !mThumbnailFetcher)
|
|
566 |
{
|
|
567 |
INFO("VideoThumbnailDataPrivate::startBackgroundFetching() fetching is disabled.");
|
|
568 |
return;
|
|
569 |
}
|
|
570 |
|
30
|
571 |
doBackgroundFetching();
|
|
572 |
}
|
|
573 |
|
|
574 |
// -----------------------------------------------------------------------------
|
|
575 |
// VideoThumbnailDataPrivate::continueBackgroundFetch()
|
|
576 |
// -----------------------------------------------------------------------------
|
|
577 |
//
|
|
578 |
void VideoThumbnailDataPrivate::continueBackgroundFetch()
|
|
579 |
{
|
36
|
580 |
FUNC_LOG;
|
30
|
581 |
if(!mBackgroundFetchingEnabled)
|
36
|
582 |
{
|
37
|
583 |
INFO("VideoThumbnailDataPrivate::continueBackgroundFetch() fetching is disabled.")
|
30
|
584 |
return;
|
36
|
585 |
}
|
30
|
586 |
|
|
587 |
if(mBgFetchTimer)
|
|
588 |
{
|
|
589 |
mBgFetchTimer->stop();
|
|
590 |
mBgFetchTimer->setSingleShot(true);
|
|
591 |
mBgFetchTimer->start(THUMBNAIL_BACKGROUND_TIMEOUT);
|
|
592 |
}
|
|
593 |
}
|
|
594 |
|
|
595 |
// -----------------------------------------------------------------------------
|
|
596 |
// VideoThumbnailDataPrivate::aboutToQuitSlot()
|
|
597 |
// -----------------------------------------------------------------------------
|
|
598 |
//
|
|
599 |
void VideoThumbnailDataPrivate::aboutToQuitSlot()
|
|
600 |
{
|
36
|
601 |
FUNC_LOG;
|
30
|
602 |
cleanup();
|
|
603 |
}
|
|
604 |
|
|
605 |
// End of file
|