1 /*

     2 * Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies).

     3 * All rights reserved.

     4 * This component and the accompanying materials are made available

     5 * under the terms of "Eclipse Public License v1.0"

     6 * which accompanies this distribution, and is available

     7 * at the URL "http://www.eclipse.org/legal/epl-v10.html".

     8 *

     9 * Initial Contributors:

    10 * Nokia Corporation - initial contribution.

    11 *

    12 * Contributors:

    13 *

    14 * Description:   VideoServices class definition

    15 *

    16 */

    17 

    18 #ifndef __VIDEOSERVICES_H__

    19 #define __VIDEOSERVICES_H__

    20 

    21 /**

    22  *

    23  * We need stub for this because it has static data and HW compilation of moc file fails because of that.

    24  *

    25  */

    26 

    27 #include <QStringList>

    28 

    29 //FORWARD CLASS DECLARATION

    30 class VideoServiceUriFetch;

    31 class VideoServicePlay;

    32 class VideoServiceView;

    33 class VideoServiceBrowse;

    34 class QVideoPlayerEngine;

    35 

    36 class VideoServices : public QObject

    37 {

    38     Q_OBJECT

    39 

    40 public:

    41 

    42     /**

    43      * Returns singleton instance for this class.

    44      *

    45      * WARNING! Not safe to call this from destructor of another function scope static object!

    46      *

    47      * @return The singleton instance.

    48      */

    49     static VideoServices *instance(QVideoPlayerEngine* engine = 0);

    50 

    51     /**

    52      * Decreases the reference count, when count reaches zero cleanup is done.

    53      *

    54      */

    55     void decreaseReferenceCount();

    56 

    57     /**

    58      * Returns the context title set by service requestee

    59      *

    60      * @return QString the title

    61      *

    62      */

    63     QString contextTitle() const;

    64 

    65 	/*

    66 	 * Enum reflecting the services provided 

    67 	 */

    68     enum TVideoService

    69     {

    70         ENoService,

    71         EUriFetcher,

    72         EPlayback,

    73 		EView,

    74         EBrowse

    75     };

    76 

    77     /**

    78      * Returns service active status

    79      *

    80      * @return bool true if active, false if not active

    81      *

    82      */

    83     VideoServices::TVideoService currentService();

    84 

    85     /**

    86      * Returns browsing category.

    87      * 

    88      * @return see vcxmyvideosdef.h for default categories.

    89      */

    90     int getBrowseCategory() const;

    91 

    92 public slots:

    93     void itemSelected(const QString& item);

    94     void browsingEnded();

    95 

    96 signals:

    97 	/*

    98 	 * Emitted when service user has set the title

    99 	 */    

   100 	void titleReady(const QString& title);

   101 

   102 	/*

   103 	 * Emitted to acticate requested plugin

   104 	 */

   105 	void activated(int command);

   106 

   107 private:

   108 

   109     /**

   110      * Constructor

   111      */

   112     VideoServices();

   113 

   114     /**

   115      * Constructor

   116      */

   117     VideoServices(QVideoPlayerEngine* engine);

   118 

   119     /**

   120      * Destructor.

   121      */

   122     virtual ~VideoServices();

   123 

   124     void setEngine(QVideoPlayerEngine* engine);

   125 

   126     /**

   127      * Sets the active service

   128      *

   129      * @param service

   130      *

   131      */

   132     void setCurrentService(VideoServices::TVideoService service);

   133 

   134     /**

   135      * Returns the current engine

   136      *

   137      * @return engine

   138      *

   139      */

   140     QVideoPlayerEngine* engine();

   141 

   142     Q_DISABLE_COPY(VideoServices)

   143 

   144 private:

   145 

   146     /**

   147      * Reference count.

   148      */

   149     int mReferenceCount;

   150 

   151     /**

   152      * VideoServiceUriFetch service instance.

   153      */

   154     VideoServiceUriFetch* mServiceUriFetch;

   155 

   156     /**

   157      * VideoServicePlay service instance.

   158      */

   159     VideoServicePlay* mServicePlay;

   160     

   161     /**

   162      * VideoServiceView service instance.

   163      */    

   164     VideoServiceView* mServiceView; 

   165     

   166     /**

   167      * VideoServiceBrowse service instance.

   168      */

   169     VideoServiceBrowse *mServiceBrowse;

   170 

   171     /**

   172      * Pointer of QVideoPlayerEngine.

   173      */

   174     QVideoPlayerEngine* mEngine;

   175 

   176 	/*

   177 	 * Current service

   178 	 */

   179     VideoServices::TVideoService mCurrentService;

   180 

   181     friend class VideoServiceUriFetch;

   182 

   183     friend class VideoServicePlay;

   184 	

   185 	friend class VideoServiceView;

   186     

   187     friend class VideoServiceBrowse;

   188     };

   189 

   190 #endif //__VIDEOSERVICES_H__