browserplugins/browseraudiovideoplugin/src/BavpVolumeHandler.cpp
branchRCL_3
changeset 65 8e6fa1719340
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64:6385c4c93049 65:8e6fa1719340
       
     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:  Handles the volume, gets the initial volume from central
       
    15 * 				 repository and monitors changes in volume.
       
    16 *
       
    17 */
       
    18 
       
    19 
       
    20 #include <centralrepository.h>	
       
    21 #include <ProfileEngineSDKCRKeys.h>
       
    22 #include <browseruisdkcrkeys.h>
       
    23 
       
    24 #include "BavpLogger.h"
       
    25 #include "BavpVolumeHandler.h"
       
    26 #include "BavpVolumeObserver.h"
       
    27 
       
    28 
       
    29 // -----------------------------------------------------------------------------
       
    30 // CBavpVolumeHandler::NewL
       
    31 // Two-phased constructor.
       
    32 // ----------------------------------------------------------------------------
       
    33 CBavpVolumeHandler* CBavpVolumeHandler::NewL( MBavpVolumeObserver* aObserver )
       
    34     {
       
    35 	Log( EFalse, _L("CBavpVolumeHandler::NewL") );
       
    36 
       
    37     CBavpVolumeHandler* self = new (ELeave) CBavpVolumeHandler( aObserver );
       
    38     CleanupStack::PushL( self );
       
    39     self->ConstructL();
       
    40     CleanupStack::Pop( self );
       
    41     return self;
       
    42     }
       
    43 	
       
    44 // ----------------------------------------------------------------------------
       
    45 // CBavpVolumeHandler::CBavpVolumeHandler
       
    46 // C++ default constructor can NOT contain any code, that
       
    47 // might leave.
       
    48 // ----------------------------------------------------------------------------
       
    49 CBavpVolumeHandler::CBavpVolumeHandler( MBavpVolumeObserver* aObserver )
       
    50 	: iObserver( aObserver )
       
    51     {
       
    52     }
       
    53 
       
    54 // -----------------------------------------------------------------------------
       
    55 // CBavpVolumeHandler::ConstructL
       
    56 // Symbian 2nd phase constructor can leave.
       
    57 // -----------------------------------------------------------------------------
       
    58 void CBavpVolumeHandler::ConstructL()
       
    59     {		
       
    60 	Log( EFalse, _L("CBavpVolumeHandler::ConstructL") );
       
    61 	
       
    62 	iCurrentVolume = KCRVolume5;
       
    63 	iCurrentProfile = KGeneralProfile;
       
    64 	
       
    65 	// Get volume settings from central repository
       
    66 	iVolumeRepository = CRepository::NewL( KCRUidBrowser );
       
    67     iVolumeRepository->Get( KBrowserMediaVolumeControl, iCurrentVolume );
       
    68 
       
    69     // If media volume key exists, watch it for changes
       
    70     iVolumeCRHandler = CCenRepNotifyHandler::NewL( *this, *iVolumeRepository, 
       
    71 	    					    			       CCenRepNotifyHandler::EIntKey, 
       
    72 											      (TUint32)KBrowserMediaVolumeControl);  
       
    73     iVolumeCRHandler->StartListeningL();
       
    74     iPreviousVolume = iCurrentVolume;
       
    75 
       
    76     // Get the current profile
       
    77 	iProfileRepository = CRepository::NewL( KCRUidProfileEngine );
       
    78     iProfileRepository->Get( KProEngActiveProfile, iCurrentProfile );
       
    79 
       
    80     // Watch the Profile changes using a CR Notify Handler
       
    81     iProfileCRHandler = CCenRepNotifyHandler::NewL( *this, *iProfileRepository,
       
    82                                                     CCenRepNotifyHandler::EIntKey,
       
    83                                                     (TUint32)KProEngActiveProfile );
       
    84     iProfileCRHandler->StartListeningL();
       
    85 
       
    86     // Now that we have initial volume and profile, lets use them.
       
    87     // Check if we're in Silent profile or Meeting profile.
       
    88     if ( iCurrentProfile == KSilentProfile ||
       
    89          iCurrentProfile == KMeetingProfile )
       
    90         {
       
    91         // Mute the volume, we already saved the CR volume
       
    92         // as iPreviousVolume
       
    93         iCurrentVolume = KCRVolumeMute;
       
    94         }
       
    95 
       
    96     // Tell observer (BavpController) the initial volume
       
    97     if ( iObserver )
       
    98         {
       
    99         iObserver->UpdateVolume( iCurrentVolume ); 
       
   100         }
       
   101 	}
       
   102 
       
   103 // ----------------------------------------------------------------------------
       
   104 // CBavpVolumeHandler::~CBavpVolumeHandler
       
   105 //  Destructor
       
   106 // ----------------------------------------------------------------------------
       
   107 CBavpVolumeHandler::~CBavpVolumeHandler()
       
   108     {
       
   109 	Log( EFalse, _L("CBavpVolumeHandler::~CBavpVolumeHandler") );
       
   110 
       
   111     // Clean up the media volume CR and CR Handler
       
   112 	if ( iVolumeCRHandler )
       
   113         {
       
   114         iVolumeCRHandler->StopListening();
       
   115         delete iVolumeCRHandler;
       
   116         }
       
   117         
       
   118 	delete iVolumeRepository;
       
   119 
       
   120     // Clean up the Profile CR and CR Handler
       
   121     if ( iProfileCRHandler )
       
   122         {
       
   123         iProfileCRHandler->StopListening();
       
   124         delete iProfileCRHandler;
       
   125         }
       
   126  
       
   127     delete iProfileRepository;
       
   128 
       
   129     }
       
   130 
       
   131 // ----------------------------------------------------------------------------
       
   132 // CBavpVolumeHandler::HandleNotifyInt()
       
   133 // Handles volume and profile changes in CR
       
   134 // ----------------------------------------------------------------------------
       
   135 void CBavpVolumeHandler::HandleNotifyInt( const TUint32 aKeyId, TInt aNewValue )
       
   136     {
       
   137     if ( aKeyId == KBrowserMediaVolumeControl && aNewValue != iCurrentVolume )
       
   138         {
       
   139         // Media Volume property updated, and it changed
       
   140         if ( iCurrentProfile == KSilentProfile ||
       
   141              iCurrentProfile == KMeetingProfile )
       
   142             {
       
   143             // We got a new volume, and Profile is "quiet", save and use later
       
   144             iPreviousVolume = aNewValue;
       
   145             }
       
   146         else
       
   147             {
       
   148             // We got a new volume and Profile allows us to use it
       
   149             iCurrentVolume = aNewValue;
       
   150             }
       
   151         }
       
   152     else if ( aKeyId == KProEngActiveProfile && aNewValue != iCurrentProfile )
       
   153         {
       
   154         // Profile property updated, and it changed
       
   155         iCurrentProfile = aNewValue;
       
   156 
       
   157         // If we got a change in profile, mute or unmute        
       
   158         if ( iCurrentProfile == KSilentProfile ||
       
   159              iCurrentProfile == KMeetingProfile )
       
   160                 {
       
   161                 // Mute the volume
       
   162                 iPreviousVolume = iCurrentVolume;
       
   163                 iCurrentVolume = KCRVolumeMute;
       
   164                 }
       
   165             else // Unmute the volume
       
   166                 {
       
   167                 iCurrentVolume = iPreviousVolume;
       
   168                 }
       
   169             }
       
   170 
       
   171     // Tell observer the new volume
       
   172     if ( iObserver )
       
   173         {
       
   174         iObserver->UpdateVolume( iCurrentVolume ); 
       
   175         }
       
   176     }
       
   177 
       
   178 // End of file