mpviewplugins/mpsettingsviewplugin/src/mpmpxasframeworkwrapper_p.cpp
changeset 20 82baf59ce8dd
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mpviewplugins/mpsettingsviewplugin/src/mpmpxasframeworkwrapper_p.cpp	Fri Apr 16 14:56:30 2010 +0300
@@ -0,0 +1,185 @@
+/*
+* Copyright (c) 2009 Nokia Corporation and/or its subsidiary( -ies ).
+* All rights reserved.
+* This component and the accompanying materials are made available
+* under the terms of "Eclipse Public License v1.0"
+* which accompanies this distribution, and is available
+* at the URL "http://www.eclipse.org/legal/epl-v10.html".
+*
+* Initial Contributors:
+* Nokia Corporation - initial contribution.
+*
+* Contributors:
+*
+* Description: Framework wraper for Audio Settings - Private.
+*
+*/
+
+#include <mpxplaybackutility.h>
+
+#include "mpmpxasframeworkwrapper_p.h"
+#include "mpxaudioeffectengine.h"
+#include "mpcommondefs.h"
+#include "mptrace.h"
+
+
+/*!
+    \class MpMpxAsFrameworkWrapperPrivate
+    \brief Wrapper for mpx framework utilities - private implementation.
+
+    This is a private implementation of the mpx framework wrapper utilties interface.
+*/
+
+/*!
+ \internal
+ */
+MpMpxAsFrameworkWrapperPrivate::MpMpxAsFrameworkWrapperPrivate()
+    :iPlaybackUtility( 0 ),
+     iAudioEffectProperties( new CMPXAudioEffectProperties() )
+{
+    
+}
+
+/*!
+ \internal
+ */
+MpMpxAsFrameworkWrapperPrivate::~MpMpxAsFrameworkWrapperPrivate()
+{
+    if( iPlaybackUtility )
+        {
+        iPlaybackUtility->Close();
+        }
+    delete iAudioEffectProperties;
+}
+
+/*!
+ \internal
+ */
+
+void MpMpxAsFrameworkWrapperPrivate::init()
+{
+    TRAPD( err, doInitL() );
+    if ( err != KErrNone ) 
+        {
+        TX_LOG_ARGS( "Error: " << err << "; should never get here." );
+        }
+}
+
+/*!
+ \internal
+ */
+void MpMpxAsFrameworkWrapperPrivate::setBalance( int balance )
+{
+    TRAPD( err, doSetBalanceL( balance ) );
+    if ( err != KErrNone ) 
+        {
+        TX_LOG_ARGS( "Error: " << err << "; should never get here." );
+        }
+}
+
+/*!
+ \internal
+ */
+void MpMpxAsFrameworkWrapperPrivate::setLoudness( bool mode )
+{
+    TRAPD( err, doSetLoudnessL( mode ) );
+    if ( err != KErrNone ) 
+        {
+        TX_LOG_ARGS( "Error: " << err << "; should never get here." );
+        }
+}
+
+/*!
+ \internal
+ */
+int MpMpxAsFrameworkWrapperPrivate::balance()
+{
+    int ret = 0;
+    TRAPD( err, ret = balanceL() );
+    if ( err != KErrNone ) 
+        {
+        TX_LOG_ARGS( "Error: " << err << "; should never get here." );
+        return 0;
+        }   
+    return ret;
+}
+
+/*!
+ \internal
+ */
+bool MpMpxAsFrameworkWrapperPrivate::loudness()
+{
+    bool ret = true;
+    TRAPD( err, ret = loudnessL() );
+    if ( err != KErrNone ) 
+        {
+        TX_LOG_ARGS( "Error: " << err << "; should never get here." );
+        return false;
+        }   
+    return ret;
+}
+
+/*!
+ \internal
+ */
+void MpMpxAsFrameworkWrapperPrivate::doInitL()
+{
+    TRAPD( err, iAudioEffectProperties->LoadFromFileL() );
+    if( KErrNone != err )
+        {
+        iAudioEffectProperties->Reset();
+        User::Leave( err );
+        }
+}
+
+/*!
+ \internal
+ */
+void MpMpxAsFrameworkWrapperPrivate::doSetBalanceL( int balance )
+{
+    iAudioEffectProperties->SetBalance( balance );
+    iAudioEffectProperties->SaveToFileL();
+    if ( !iPlaybackUtility ) 
+        {
+        iPlaybackUtility = MMPXPlaybackUtility::UtilityL( TUid::Uid( MpCommon::KMusicPlayerUid ) ) ;
+        }
+   iPlaybackUtility ->SetL( EPbPropertyBalance, balance );
+   
+}
+
+/*!
+ \internal
+ */
+void MpMpxAsFrameworkWrapperPrivate::doSetLoudnessL( bool mode )
+{
+    if( loudnessL() != mode )  //do not set same value twice
+        {
+        iAudioEffectProperties->SetLoudness( mode );
+        iAudioEffectProperties->SaveToFileL();
+        if ( !iPlaybackUtility ) 
+            {
+            iPlaybackUtility = MMPXPlaybackUtility::UtilityL( TUid::Uid( MpCommon::KMusicPlayerUid ) ) ;
+            }
+        iPlaybackUtility->CommandL( EPbApplyEffect, KAudioEffectsID );
+        }
+}
+
+/*!
+ \internal
+ */
+int MpMpxAsFrameworkWrapperPrivate::balanceL()
+{
+    return iAudioEffectProperties->Balance();
+}
+
+/*!
+ \internal
+ */
+bool MpMpxAsFrameworkWrapperPrivate::loudnessL()
+{
+    return iAudioEffectProperties->Loudness();
+}
+
+
+
+