1 /*

     2 * Copyright (c) 2006-2007 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:  AI ecom plugin class. Main interface to XML AI framework.

    15 *

    16 */

    17 

    18 

    19 #ifndef C_AIPLAYERPLUGIN_H

    20 #define C_AIPLAYERPLUGIN_H

    21 

    22 // INCLUDES

    23 #include <aicontentpublisher.h>

    24 #include <aicontentobserver.h>

    25 #include <aipropertyextension.h>

    26 #include <aieventhandlerextension.h>

    27 

    28 #include "aiplayerpluginengine.h"

    29 #include "aiplayerpluginengineobserver.h"

    30 

    31 class MAiPluginSettings;

    32 class MAiContentObserver;

    33 class MAiContentItemIterator;

    34 class CCoeEnv;

    35 

    36 

    37 /**

    38  *  Music Player Player Plugin.

    39  *  This class implements AI ecom plugin. This is the main interface to

    40  *  the XML AI framework.

    41  *

    42  *  @lib aiplayerplugin2.lib

    43  *  @since S60 5.0

    44  */

    45 NONSHARABLE_CLASS( CAiPlayerPlugin ) : public CAiContentPublisher,

    46                                        public MAiPropertyExtension,

    47                                        public MAiEventHandlerExtension,

    48                                        public MAiPlayerPluginEngineObserver

    49     {

    50 public: // Constructors and destructor

    51 

    52     /**

    53      * Two-phased constructor.

    54      */

    55     static CAiPlayerPlugin* NewL();

    56 

    57     /**

    58      * Destructor.

    59      */

    60     virtual ~CAiPlayerPlugin();

    61 

    62 public:

    63 

    64     /**

    65      * From CAiContentPublisher

    66      * See aicontentpublisher.h for detailed description.

    67      * @since S60 5.0

    68      */

    69     void Resume( TAiTransitionReason aReason );

    70     void Suspend( TAiTransitionReason aReason );

    71     void Stop( TAiTransitionReason aReason );

    72     void SubscribeL( MAiContentObserver& aObserver );

    73     void ConfigureL( RAiSettingsItemArray& aSettings );

    74     TAny* Extension( TUid aUid );

    75 

    76     /**

    77      * From MAiPropertyExtension

    78      * See aipropertyextension.h for detailed description.

    79      * @since S60 5.0

    80      */

    81     TAny* GetPropertyL( TInt aProperty );

    82     void SetPropertyL( TInt aProperty, TAny* aValue );

    83 

    84     /**

    85      * From MAiEventHandlerExtension

    86      * See aieventhandlerextension.h for detailed description.

    87      * @since S60 5.0

    88      */

    89     void HandleEvent( TInt aEvent, const TDesC& aParam );

    90 

    91     /**

    92      * From MAiPlayerPluginEngineObserver

    93      * See aiplayerpluginengine.h for detailed description.

    94      * @since S60 5.0

    95      */

    96     void PlayerStateChanged( TMPlayerState aState );

    97     void TrackInfoChanged( const TDesC& aTitle, const TDesC& aArtist );

    98     void PlaybackPositionChanged( TInt aPosition );

    99     void VolumeChanged( TInt aVolume );

   100 

   101 private:

   102 

   103     CAiPlayerPlugin();

   104     void ConstructL();

   105 

   106     /**

   107      * Helper class for HandleEvent received from MAiEventHandlerExtension

   108      */

   109     void DoHandleEventL( TInt aEvent, const TDesC& aParam );

   110 

   111     /**

   112      * Callback function invoked through iCleanTimer upon timeout.

   113      */

   114 	static TInt ClearL( TAny* aPtr );

   115 

   116 private:     // Data

   117 

   118     RPointerArray<MAiContentObserver>   iObservers;

   119     TAiPublisherInfo                    iInfo;

   120     MAiContentItemIterator*             iContent;

   121     MAiContentItemIterator*             iResources;

   122     MAiContentItemIterator*             iEvents;

   123 

   124     CAiPlayerPluginEngine*              iEngine;

   125     TMPlayerState          				iState;

   126 

   127     TBuf<128>                           iDuration;

   128     TBuf<128>                           iElapsedTime;

   129     HBufC*                              iLongFormatString;

   130     HBufC*                              iShortFormatString;

   131     HBufC*                              iUnknownArtistText;

   132     TInt                                iResourceOffset;

   133 

   134     CCoeEnv*                            iCoeEnv;                // Not owned

   135     TBool 								iPlayStarted;

   136     CPeriodic*  						iCleanTimer;

   137     TInt                                iLastSetVolume;

   138     };

   139 

   140 #endif  // C_AIPLAYERPLUGIN_H

   141 

   142