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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: VideoListDataModelPrivate class definition*
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*/
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#ifndef __VIDEOLISTDATAMODEL_P_H__
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#define __VIDEOLISTDATAMODEL_P_H__
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// INCLUDES
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#include <QObject>
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#include <qicon.h>
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#include <qdatetime.h>
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#include <qset.h>
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#include <qabstractitemmodel.h>
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#include <e32const.h>
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#include <mpxitemid.h>
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#include "videodatasignalreceiver.h"
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#include "videodatacontainer.h"
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// FORWARD DECLARATIONS
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class VideoListDataModel;
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class CMPXMediaArray;
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class VideoThumbnailData;
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class VideoListDataModelPrivate : public VideoDataSignalReceiver
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{
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/**
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* define to be able to use signals and slots
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*/
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Q_OBJECT
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/**
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* disable copy-constructor and assignment operator
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*/
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Q_DISABLE_COPY(VideoListDataModelPrivate)
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public: // Constructor
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/**
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* Default constructor
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*/
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VideoListDataModelPrivate(VideoListDataModel *model);
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/**
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* Destructor
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*/
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~VideoListDataModelPrivate();
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/**
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* Method initializes class members:
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* Creates thumbnail data -object and connect it's signals.
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*
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* - VideoThumbnailData: thumbnailsFetched
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* ---> VideoListData: thumbnailsFetchedSlot
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*
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* @return int, 0 if ok.
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*/
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int initialize();
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signals:
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/**
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* This signal is emitted, when data to some video item changes.
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* Like for example new thumbnail is fetched.
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*
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* @param startIndex
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* @param endIndex
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*
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*/
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void dataChanged(const QModelIndex &startIndex, const QModelIndex &endIndex);
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/**
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* This signal is emitted, collection notifies details for item has been
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* fetched
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*
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* @param rowindex
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*
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*/
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void videoDetailsReady(int rowIndex);
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private slots:
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/**
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* This slot is connected to VideoThumbnailData::thumbnailsFetched -signal
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* to get notified when thumbnail(s) for some particular item(s) is ready.
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*
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* The indexes of the items are checked and videoDataChanged signal is emitted.
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*
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* @param mediaIds: media ids of the items
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*
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*/
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void thumbnailsFetchedSlot(QList<TMPXItemId> mediaIds);
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private slots: //slots from VideoDataSignalReceiver
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/**
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* Signaled by the collection client when there is new video list available.
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* Method emits videosInserted -signal.
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*
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* @param newVideoList: new list of videos
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*
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*/
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void newVideoListSlot(CMPXMediaArray *newVideoList);
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/**
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* Signaled by the collection client when there are new videos appended
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* into the existing videolist.
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* Checks if medias at provided array does not exist at the existing
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* array and appends them if they do not.
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*
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* @param videoList: list of videos provided for appending
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*/
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void appendVideoListSlot(CMPXMediaArray* videoList);
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/**
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* Signaled by the collection client when new videodata is fetched.
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* Given object is inserted into correct position in the
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* media array and videosInserted -signal is emitted
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*
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* @param aVideo data of the new video.
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*/
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void newVideoAvailableSlot(CMPXMedia *newVideo);
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/**
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* Signaled by the collection client when
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* video removal has detected.
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*
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* @param videoId id of the removed video
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*/
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void videoDeletedSlot(TMPXItemId videoId);
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/**
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* Signaled by the collection client video deletion request
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* has completed
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*
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* @param overallCount count of ALL videos in this delete procedure
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* @param failedMediaIds list of item ids that failed to be removed.
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*/
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void videoDeleteCompletedSlot( int overallCount, QList<TMPXItemId> *failedMediaIds);
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/**
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* Signaled by the collection client when video details fetching
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* has completed.
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*
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*/
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void videoDetailsCompletedSlot(TMPXItemId videoId);
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public: // services
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/**
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* Returns video count
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*
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* @return int count of videos
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*/
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int getVideoCount();
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/**
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* Returns the MPX media item id (TMPXItemId.id1)
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* from the given index.
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*
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* @param index: item position where client wants the id from
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*
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* @return TMPXItemId item id or invalid TMPXItemId if id not found at that index
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*/
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TMPXItemId getMediaIdFromIndex(int index) const;
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/**
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* Returns name of the video from the given index.
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* If there is no item at that index, empty string is returned.
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*
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* @param index: item position where client wants the name from
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*
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* @return QString name of the item
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*/
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const QString getVideoNameFromIndex(int index) const;
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/**
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* Returns the thumbnail of the item from given index.
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* If there is no item at that index or thumbnail is not yet fetched,
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* default thumbnail is returned.
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*
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* @param index: item position where client wants the tn from
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*
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* @return QIcon thumbnail of the item
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*/
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const QIcon* getVideoThumbnailFromIndex(int index) const;
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/**
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* Returns the size of the video from given index.
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* If there is no item at that index, 0 is returned
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*
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* @param index: item position where client wants the size from
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*
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* @return guint32 size in bytes
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*/
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quint32 getVideoSizeFromIndex(int index) const;
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/**
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* Returns the age profile of the video from given index
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* If there is no item at that index, 0 is returned
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*
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* @param index: item position where client wants the size from
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*
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* @return quint32 age profile in bytes
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*/
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quint32 getVideoAgeProfileFromIndex(int index) const;
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/**
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* Returns the duration of the video from given index.
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* If there is no item at that index, 0 is returned
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*
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* @param index: item position where client wants the duration from
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*
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* @return guint32 duration
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*/
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quint32 getVideodurationFromIndex(int index) const;
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/**
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* Returns the creation/download date of the video.
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*
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* @param index: item position where client wants the date from.
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*
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* @return QDate date
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*/
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QDateTime getVideoDateFromIndex(int index) const;
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/**
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* Returns the metadata for the video.
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*
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* @param index: item position where client wants the data from.
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*
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* @return QMap map of the QVariants that hold the data. Keys defined
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* in VideoCollectionCommon
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*/
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QMap<QString, QVariant> getMetaDataFromIndex(int index) const;
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/**
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* Returns video status
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*
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* @param index: item position where client wants the status from.
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*
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* @return int status code
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*/
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int getVideoStatusFromIndex(int index) const;
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/**
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* marks videos to be removed: it's id and index are saved to
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* mItemsUnderDeletion
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*
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* @param itemIndexes: indexes of items to be removed
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* @return QList: list of ids about removed items
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*
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*/
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QList<TMPXItemId> markVideosRemoved(const QModelIndexList &itemIndexes);
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/**
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* Removes provided ids from the remove -list
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*
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* @param itemIds ids of the items to be removed
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*/
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void unMarkVideosRemoved(QList<TMPXItemId> &itemIds);
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/**
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* Returns the file path of the video.
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*
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* @param index: item position where client wants the file path from.
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*/
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const QString getFilePathFromIndex(int index) const;
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/**
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* Returns the file path of the video.
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*
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* @param mediaId: id for the item
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*/
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const QString getFilePathForId(TMPXItemId mediaId) const;
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private: // private methods
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/**
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* private default constructor definition
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*/
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VideoListDataModelPrivate();
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/**
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* Method clears map containing media objects
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*/
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void clearVideoData();
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/**
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* Method used to parse media id from given object.
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* Id id data is not available or given object is null.
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* method returns -1.
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* The id is CMPXMedia's TMPXItemId.iId1
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*
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* @param media: where to get id from
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*
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* @return TMPXItemId: id of the item
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*/
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TMPXItemId getMediaId(const CMPXMedia *media ) const;
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/**
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* Leaving helper method for appending data from media array into
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* data container for reducing amount of TRAPs.
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*
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* Leaves if CMPXMedia object creation fails.
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*
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* @param videoArray array from where to take data
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* @param startIndex startindex from where start appending.
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*
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*/
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void appendDataToContainerL(CMPXMediaArray *videoArray, unsigned int startIndex = 0);
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private:
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/**
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* Pointer to the public class
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* Not own.
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*/
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VideoListDataModel *q_ptr;
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/**
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* media object container
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*/
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VideoDataContainer mMediaData;
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/**
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* set containing item(s)' ids whose, removal
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* is underway.
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*/
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QSet<TMPXItemId> mItemsUnderDeletion;
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/**
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* Thumbnail handler object.
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*/
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VideoThumbnailData &mVideoThumbnailData;
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/**
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* Object is initialized.
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*/
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bool mInitialized;
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};
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#endif // __VIDEOLISTDATAMODEL_P_H__
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// End of file
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