inc/videoactivitystate.h
author hgs
Thu, 24 Jun 2010 09:49:13 +0300
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child 49 824471cb468a
permissions -rw-r--r--
201025
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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:   VideoActivityState class definition
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*
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*/
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// Version : %version:  da1mmcf#3 %
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#ifndef __VIDEOACTIVITYSTATE_H__
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#define __VIDEOACTIVITYSTATE_H__
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#include <qhash.h>
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#include <qvariant.h>
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#include "videoplayerappexport.h"
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// videoplayer activity id
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static const QString ACTIVITY_VIDEOPLAYER_MAINVIEW = "VideosMainView";
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// last position of the last played media clip (int)
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static const QString KEY_LAST_PLAY_POSITION_ID   = "_VideoActivity_last_play_position_id_";
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// name of the media clip last played (QString)
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static const QString KEY_LAST_PLAYED_CLIP = "_VideoActivity_last_played_clip_";
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// Key for plugin type in activity manager
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static const QString KEY_VIEWPLUGIN_TYPE = "_VideoActivity_viewplugin_type_";
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// was the last played media clip a local clip (not streaming or prog. download)
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static const QString KEY_LAST_LOCAL_PLAYBACK   = "_VideoActivity_last_local_playback_";
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/**
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 * Class is used as a static activity data container for videoplayer application
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 * for other videoplayer components to use.
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 * 
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 * Data is excepted to be saved as QHash<QString, QVariant>. Keys defined above  
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 * should be used to access data
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 *
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 */
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class VIDEOPLAYERAPP_DLL_EXPORT VideoActivityState 
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{
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public:
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    /**
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     * method returns a static instance of this class
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     */
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    static VideoActivityState &instance();
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    /**
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     * Sets activity data. If dataKey is not defined, all activity data
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     * will be overwritten by a provided data.
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     * 
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     * @param data Data to save
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     * @param dataKey Key indicating dataitem. If empty, all data will be overwritten by provided data 
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     */
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    void setActivityData(const QVariant& data, const QString& dataKey = QString(""));
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    /**
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     * Get activity data. If dataKey is not defined, all activity data
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     * will be returned. If item corresponding provided dataKey is not found,
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     * method returns empty QVariant.
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     * 
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     * @param dataKey Key indicating dataitem client wants. If empty, all data will be returned
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     * 
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     * @return QVariant 
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     */
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    const QVariant getActivityData(const QString& dataKey = QString(""));
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private:
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    /**
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     * private default contructor
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     */
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    VideoActivityState();  
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    /**
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     * copy contructor definition
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     */
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    VideoActivityState(const VideoActivityState& other);  
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    /**
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     * Private destructor.
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     *
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     */
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    virtual ~VideoActivityState();    
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private:
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    /**
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     * locally saved activity data
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     */
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    QHash<QString, QVariant> mActivityData;
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};
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#endif //__VIDEOACTIVITYSTATE_H__