1 /*

     2 * Copyright (c) 2006 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 the License "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:  AO that completes on a change in the volume property.

    15 *

    16 */

    17 

    18 

    19 #ifndef BAVPVOLUMEHANDLER_H

    20 #define BAVPVOLUMEHANDLER_H

    21 

    22 #include <e32std.h>

    23 #include <CenRepNotifyHandler.h>

    24 

    25 // CONSTANTS

    26 const TInt KGeneralProfile = 0;

    27 const TInt KSilentProfile = 1;

    28 const TInt KMeetingProfile = 2;

    29 

    30 // The Central Depository volume values:

    31 // 0(mute), 2, 5, 8, 10(maximum)

    32 // Used to populate the initial volume and the volume dialog 

    33 const TInt KCRVolume0 = 0;

    34 const TInt KCRVolume2 = 2;

    35 const TInt KCRVolume5 = 5;

    36 const TInt KCRVolume8 = 8;

    37 const TInt KCRVolume10 = 10;

    38 const TInt KCRVolumeMute = KCRVolume0;

    39 const TInt KCRVolumeMax = KCRVolume10;

    40 

    41 // FORWARD DECLARATIONS

    42 class MBavpVolumeObserver;

    43 class CCenRepNotifyHandler;

    44 class CRepository;

    45 

    46 /**

    47 *  CBavpVolumeHandler class for soft volume handling

    48 *  @lib npBrowserVideoPlugin.lib

    49 *  @since 3.2

    50 */

    51 class CBavpVolumeHandler : public CBase,

    52 						   public MCenRepNotifyHandlerCallback

    53 	{

    54         public:

    55             // Constructors and destructor

    56 

    57         /**

    58         * Two-phased constructor.

    59         */

    60     	static CBavpVolumeHandler* NewL( MBavpVolumeObserver* aObserver );

    61     	

    62     	/**

    63         * Destructor.

    64         */

    65         ~CBavpVolumeHandler();

    66         

    67         /**

    68         * function impl for MCenRepNotifyHandlerCallback interface 

    69         * @since 3.1

    70         * @param TInt aVolume - volume value to be set to

    71         * @return void

    72         */

    73     	void HandleNotifyInt( const TUint32 aKeyId, TInt aNewValue );

    74         

    75     private:

    76         /**

    77         * C++ default constructor.

    78         */

    79     	CBavpVolumeHandler( MBavpVolumeObserver* aObserver );

    80     	    

    81     	/**

    82         * By default Symbian 2nd phase constructor is private.

    83         */

    84     	void ConstructL();

    85     	

    86     private:

    87         

    88         MBavpVolumeObserver* iObserver;

    89 

    90 		// Central repository for Volume settings 

    91     	CRepository* iVolumeRepository;

    92   	

    93 		// Handler to notify volume changes in central repository

    94     	CCenRepNotifyHandler* iVolumeCRHandler;

    95 

    96     	// Current volume settings

    97     	TInt iCurrentVolume;

    98     	

    99     	// Previous volume settings, save for mute/unmute

   100     	TInt iPreviousVolume;

   101 

   102 		// Central repository for Profiles 

   103 		CRepository*  iProfileRepository;

   104 

   105 		// Handler to notify Profile changes in central repository

   106 		CCenRepNotifyHandler* iProfileCRHandler;

   107 

   108     	// Current profile settings

   109     	TInt iCurrentProfile;

   110 	};

   111 

   112 #endif //BAVPVOLUMEHANDLER_H