author | Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com> |
Wed, 18 Aug 2010 09:50:14 +0300 | |
changeset 52 | e3cecb93e76a |
parent 24 | 7d93ee07fb27 |
permissions | -rw-r--r-- |
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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 <qhash.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 CMPXMedia; |
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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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/** |
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* we're friend of the actual model object |
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*/ |
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friend class VideoListDataModel; |
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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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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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* item removal has detected. |
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* |
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* @param itemId id of the removed item |
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*/ |
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void itemDeletedSlot(TMPXItemId &itemId); |
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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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/** |
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* Signaled when album remove command is completed and some albums were not removed. |
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* |
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* @param failedMediaIds media-array containing failed medias |
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*/ |
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void albumRemoveFailureSlot(QList<TMPXItemId> *failedMediaIds); |
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|
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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(CMPXMedia* media); |
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|
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/** |
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* Signalled when album items are recieved. |
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* |
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* @param albumId, Album which items are received. |
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* @param albumItems, Items belonging to the current album. |
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*/ |
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void albumListAvailableSlot(TMPXItemId &albumId, CMPXMediaArray *albumItems); |
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|
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/** |
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* Signalled when item has been mofidied. |
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* |
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* @param itemId, item that has been modified. |
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*/ |
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void itemModifiedSlot(const TMPXItemId &itemId); |
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/** |
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* Signalled when video list is complete. |
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*/ |
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void videoListCompleteSlot(); |
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/** |
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* Signalled when album list is complete. |
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*/ |
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void albumListCompleteSlot(); |
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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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const TMPXItemId& getMediaIdFromIndex(const int &index) const; |
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|
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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(const 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(const int &index) const; |
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/** |
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* Returns the value for item count attribute 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 count from |
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* |
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* @return guint32 size in bytes |
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*/ |
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quint32 getCategoryVideoCountFromIndex(const 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(const 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(const 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(const int &index) const; |
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/** |
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* Returns the duration of the video from given media. |
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* |
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* @param media The video media object. |
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* |
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* @return guint32 duration |
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*/ |
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quint32 getVideoDuration(CMPXMedia* media) 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(const 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 media The video media object. |
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*/ |
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QDateTime getVideoDate(CMPXMedia* media) 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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* remove buffer in data container |
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* |
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* @param itemIndex: index of item to be removed |
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* @return TMPXItemId: id of the item marked |
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* |
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*/ |
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const TMPXItemId markVideoRemoved(const QModelIndex &itemIndex); |
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/** |
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* Removes provided ids from the remove -list |
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* and restores them into actual container in case |
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* our current collection level is correct. |
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* |
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*/ |
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void restoreRemoved(QList<TMPXItemId> *idList); |
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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(const 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(const TMPXItemId &mediaId); |
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/** |
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* Checks if the specified item belongs to currently open album. |
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* |
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* @albumId, Album where the item is to be checked. |
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* @param itemId, Item to be checked. |
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* @return true if item belongs to the album. |
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*/ |
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bool belongsToAlbum(const TMPXItemId &itemId, TMPXItemId albumId = TMPXItemId::InvalidId()) const; |
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/** |
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* Set album in use. |
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* |
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* @param albumId, Album to set in use. |
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* @return None. |
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*/ |
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void setAlbumInUse(const TMPXItemId &albumId); |
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/** |
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* removes provided items from album provided |
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* |
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* @param albumId album from where to remove |
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* @param items to remove |
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* |
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* @return count of item removed; |
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*/ |
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int removeItemsFromAlbum(const TMPXItemId &albumId, const QList<TMPXItemId> &items); |
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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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/** |
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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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/** |
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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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/** |
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* Check that a media item is valid. |
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* |
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* @param itemId, Item to be checked. |
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* @return true if valid. |
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*/ |
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bool isValid(const CMPXMedia &media, const TMPXItemId &itemId) const; |
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/** |
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* Album data changed, resets album data from array provided |
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* |
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* @param albumId id of album |
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* @param videoarray array of videos in album |
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*/ |
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void albumDataChangedL(TMPXItemId &albumId, CMPXMediaArray *videoArray); |
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|
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/** |
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* Called when an album has been removed. |
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* |
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* @param albumId, Album which items are received. |
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*/ |
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void albumRemoved(TMPXItemId &albumId); |
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|
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/** |
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* Called when a video has been removed. |
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* |
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* @param videoId id of the removed video |
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*/ |
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void videoDeleted(TMPXItemId &videoId); |
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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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* Thumbnail handler object, not owned |
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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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* "wrapped" album container, contains item ids belongint into a particular album |
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* or category |
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*/ |
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QHash<TMPXItemId, QSet<TMPXItemId> > mAlbumData; |
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/** |
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* currently open album |
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*/ |
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TMPXItemId mCurrentAlbum; |
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}; |
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#endif // __VIDEOLISTDATAMODEL_P_H__ |
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// End of file |