--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/convergedcallengine/csplugin/src/cspaudiostreams.cpp	Wed Sep 01 12:15:03 2010 +0100
@@ -0,0 +1,419 @@
+/*
+* Copyright (c) 2006 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:  Starts and stops audio streams.
+*
+*/
+
+
+#include "cspaudiostreams.h"
+#include "cspmicrophone.h"
+#include "cspspeaker.h"
+#include "csplogger.h"
+#include "mcspaudiostreamobserver.h"
+#include "csptimer.h"
+
+#include <TelephonyAudioRouting.h>
+
+/**
+* Timeout initial value.
+*/
+const TInt KTimeoutInitial = 200000; // 0.2s
+
+/**
+* Double the timeout for every retry.
+*/
+const TInt KTimeoutMultiplier = 2;
+
+// ======== MEMBER FUNCTIONS ========
+   
+// ---------------------------------------------------------------------------
+// Static constructor
+// ---------------------------------------------------------------------------
+//
+CSPAudioStreams* CSPAudioStreams::NewL( )
+    {
+    CSPAudioStreams* self = 
+        CSPAudioStreams::NewLC();
+    CleanupStack::Pop( self );
+    return self;
+    }
+
+// ---------------------------------------------------------------------------
+// Static constructor
+// ---------------------------------------------------------------------------
+//
+CSPAudioStreams* CSPAudioStreams::NewLC(  )
+    {
+    CSPAudioStreams* self = new( ELeave ) CSPAudioStreams( );
+    CleanupStack::PushL( self );
+    self->ConstructL( );
+    return self;
+    }
+
+// ---------------------------------------------------------------------------
+// Destructor
+// ---------------------------------------------------------------------------
+//
+CSPAudioStreams::~CSPAudioStreams()
+    {
+    if (iTimer)
+        {
+        iTimer->CancelNotify();    
+        delete iTimer;
+        }
+    
+    delete iSpeaker;
+    delete iMic;
+    delete iAudioRouting;
+    }
+
+// ---------------------------------------------------------------------------
+// Sets observer for audio stream.
+// ---------------------------------------------------------------------------
+//
+void CSPAudioStreams::SetAudioStreamObserver( 
+    MCSPAudioStreamObserver& aObserver )
+    {
+    iStreamObserver = &aObserver;
+    }
+    
+// ---------------------------------------------------------------------------
+// Gives access to mic
+// ---------------------------------------------------------------------------
+//
+CSPMicrophone& CSPAudioStreams::Mic() const
+    {
+    return *iMic;
+    }
+
+// ---------------------------------------------------------------------------
+// Gives access to speaker
+// ---------------------------------------------------------------------------
+//
+CSPSpeaker& CSPAudioStreams::Speaker() const
+    {
+    return *iSpeaker;
+    }
+    
+// ---------------------------------------------------------------------------
+// From class MCSPAudioStream
+// Activates mic and speaker.
+// ---------------------------------------------------------------------------
+//
+void CSPAudioStreams::StartStreams() 
+    {
+    CSPLOGSTRING(CSPINT, "CSPAudioStreams::StartStreams");
+    
+    if( !IsMicAndSpeakerStarted() )    
+        {
+        StartMicAndSpeaker(); 
+        
+        if( iStreamObserver )
+            {
+            iStreamObserver->AudioStreamsStarted();
+            }
+        }
+    }
+
+// ---------------------------------------------------------------------------
+// From class MCSPAudioStream
+// Deactivates mic and speaker if the streams are active or they are 
+// activating. 
+// ---------------------------------------------------------------------------
+//
+void CSPAudioStreams::StopStreams() 
+    {
+    CSPLOGSTRING(CSPINT, "CSPAudioStreams::StopStreams");
+    
+    if( IsMicAndSpeakerStarted() )
+        {
+            CSPLOGSTRING(CSPINT, "CSPAudioStreams::StopStreams Stopping");
+        iTimer->CancelNotify(); 
+        iTimeout = KTimeoutInitial;
+        if( iStreamObserver ) 
+            {
+            iStreamObserver->AudioStreamsGoingToStop();
+            }
+        iMic->Deactivate();
+        iSpeaker->Deactivate();
+        }
+    }
+
+// ---------------------------------------------------------------------------
+// CSPAudioStreams::VolumeChangedEar
+// ---------------------------------------------------------------------------
+//
+void CSPAudioStreams::VolumeChangedEar(TInt aVolume)
+    {
+    CSPLOGSTRING2(CSPINT, "CSPAudioStreams::SetVolume %d", aVolume);
+    iVolumeEar = aVolume;
+    iSpeaker->SetVolume( aVolume );
+    }
+
+// ---------------------------------------------------------------------------
+// CSPAudioStreams::VolumeChangedLoudspeaker
+// ---------------------------------------------------------------------------
+//
+void CSPAudioStreams::VolumeChangedLoudspeaker(TInt aVolume)
+    {
+    CSPLOGSTRING2(CSPINT, "CSPAudioStreams::SetVolume %d", aVolume);
+    iVolumeLoudspeaker = aVolume;
+    iSpeaker->SetVolume( aVolume );
+    }
+
+// ---------------------------------------------------------------------------
+// CSPAudioStreams::StoreVolumes
+// ---------------------------------------------------------------------------
+//
+void CSPAudioStreams::StoreVolumes(TInt aVolumeEar, TInt aVolumeLoudspeaker )
+    {
+    iVolumeEar = aVolumeEar;
+    iVolumeLoudspeaker = aVolumeLoudspeaker;
+    }
+    
+// ---------------------------------------------------------------------------
+// CSPAudioStreams::ApplyVolume
+// ---------------------------------------------------------------------------
+//
+void CSPAudioStreams::ApplyVolume(TInt aVolumeEar, TInt aVolumeLoudspeaker )
+    {
+    CTelephonyAudioRouting::TAudioOutput current = iAudioRouting->Output();
+    if ( current == CTelephonyAudioRouting::ELoudspeaker )
+        {
+        CSPLOGSTRING( CSPINT, "CSPAudioStreams::ApplyVolume Loudspeaker Active: SetVolume" );
+        iSpeaker->SetVolume( aVolumeLoudspeaker );
+        }
+        // else: ear volume should be used
+     else if ( current == CTelephonyAudioRouting::EHandset )
+        {
+        CSPLOGSTRING( CSPINT, "CSPAudioStreams::ApplyVolume Ear Active: SetVolume" );
+        iSpeaker->SetVolume( aVolumeEar );
+        }
+    else
+        {
+        CSPLOGSTRING2( CSPINT, "CSPAudioStreams::ApplyVolume UNKNOWN AUDIO OUTPUT MODE %d", current );
+        // No volume setting
+        iSpeaker->SetVolume( aVolumeEar );
+        }
+    }
+
+// ---------------------------------------------------------------------------
+// CSPAudioStreams::SetMuted
+// ---------------------------------------------------------------------------
+//  
+void CSPAudioStreams::SetMuted() 
+    {
+    iMic->SetMuted();
+    }
+
+// ---------------------------------------------------------------------------
+// CSPAudioStreams::SetUnmuted
+// ---------------------------------------------------------------------------
+//  
+void CSPAudioStreams::SetUnmuted() 
+    {
+    iMic->SetUnmuted();
+    }
+
+// ---------------------------------------------------------------------------
+// From class MCSPAudioStreamObserver
+// If speaker is already active then the streams are active.
+// If speker is not active and it is not activating then speaker then
+// activation has failed and start retry timer.
+// ---------------------------------------------------------------------------
+//   
+void CSPAudioStreams::MicActivatedSuccessfully()
+    {
+    CSPLOGSTRING(CSPINT, "CSPAudioStreams::MicActivatedSuccessfully" );
+    if( iSpeaker->IsActive() )
+        {
+        // Mic and speaker are active.
+        AudioStreamsStarted();
+        }
+    else if( !iSpeaker->IsActivationOngoing() ) 
+        {
+        // Start retry timer for activating speaker again
+        StartTimer();
+        }
+    }
+    
+// ---------------------------------------------------------------------------
+// From class MCSPAudioStreamObserver
+// If mic is already active then streams are active.
+// If mic is not active and it is not activating then mic activation has
+// failed and start retry timer.
+// ---------------------------------------------------------------------------
+//   
+void CSPAudioStreams::SpeakerActivatedSuccessfully()
+    {
+    CSPLOGSTRING(CSPINT, "CSPAudioStreams::SpeakerActivatedSuccessfully" );
+    if( iMic->IsActive() ) 
+        {
+        // Mic and speaker are active.
+        AudioStreamsStarted();
+        }
+    else if( !iMic->IsActivationOngoing() ) 
+        {
+        // Start retry timer for activating mic again.
+        StartTimer();
+        }
+    }
+
+// ---------------------------------------------------------------------------
+// From class MCSPAudioStreamObserver
+// Starts timer for trying activation again.
+// ---------------------------------------------------------------------------
+//    
+void CSPAudioStreams::MicActivationFailed()
+    {
+    CSPLOGSTRING(CSPINT, "CSPAudioStreams::MicActivationFailed" );
+   
+    // Dont start timer until speaker has stopped activation.
+    if( !iSpeaker->IsActivationOngoing() ) 
+        {
+        StartTimer();
+        }
+    }
+    
+// ---------------------------------------------------------------------------
+// From class MCSPAudioStreamObserver
+// Starts timer for trying activation again.
+// ---------------------------------------------------------------------------
+// 
+void CSPAudioStreams::SpeakerActivationFailed()
+    {
+    CSPLOGSTRING(CSPINT, "PE.AudioStreams::SpeakerActivationFailed" );
+    
+    // Dont start timer until mic has stopped activation.
+    if( !iMic->IsActivationOngoing() )
+        {
+        StartTimer();
+        }
+    }
+    
+// ---------------------------------------------------------------------------
+// From class MCSPTimerObserver
+// Notify from CSPTimer that timeout passed. Try to start mic and
+// speaker again.
+// ---------------------------------------------------------------------------
+// 
+void CSPAudioStreams::TimerEvent()
+    {
+    CSPLOGSTRING(CSPINT, "CSPAudioStreams.TimerEvent" );
+    iTimeout *= KTimeoutMultiplier;
+    StartMicAndSpeaker();
+    }
+
+// -----------------------------------------------------------------------------
+// CTSEAudioRouteObserver::AvailableOutputsChanged
+// -----------------------------------------------------------------------------
+//
+void CSPAudioStreams::AvailableOutputsChanged( 
+        CTelephonyAudioRouting& /*aTelephonyAudioRouting*/ )
+    {
+    CSPLOGSTRING(CSPINT, "CSPAudioStreams::AvailableOutputsChanged" );
+    }
+    
+// -----------------------------------------------------------------------------
+// CTSEAudioRouteObserver::OutputChanged
+// -----------------------------------------------------------------------------
+//
+void CSPAudioStreams::OutputChanged( 
+        CTelephonyAudioRouting& /*aTelephonyAudioRouting*/ )
+    {
+    CSPLOGSTRING(CSPINT, "CSPAudioStreams::OutputChanged" );
+    ApplyVolume(iVolumeEar, iVolumeLoudspeaker);
+    }
+
+// -----------------------------------------------------------------------------
+// CSPAudioStreams::SetOutputComplete
+// -----------------------------------------------------------------------------
+//
+void CSPAudioStreams::SetOutputComplete( CTelephonyAudioRouting& /*aTelephonyAudioRouting*/,
+                                         TInt /*aError*/ )
+   {
+   }  
+
+// ---------------------------------------------------------------------------
+// Constructor
+// ---------------------------------------------------------------------------
+//
+CSPAudioStreams::CSPAudioStreams( ): iTimeout(KTimeoutInitial)
+    {
+    }
+
+// ---------------------------------------------------------------------------
+// Second phase constructor
+// ---------------------------------------------------------------------------
+//
+void CSPAudioStreams::ConstructL( )
+    {
+    CSPLOGSTRING(CSPINT, "CSPAudioStreams::ConstructL");
+
+    iTimer = CSPTimer::NewL();
+    iMic = CSPMicrophone::NewL( *this );
+    iSpeaker = CSPSpeaker::NewL( *this );
+    
+    #if !defined(__WINSCW__)
+    iAudioRouting = CTelephonyAudioRouting::NewL( *this );
+    #endif //__WINSCW__        
+    }
+    
+// ---------------------------------------------------------------------------
+// Resets timer
+// ---------------------------------------------------------------------------
+//
+void CSPAudioStreams::AudioStreamsStarted()
+    {
+    CSPLOGSTRING(CSPINT, "CSPAudioStreams::AudioStreamsStarted" );
+    iTimeout = KTimeoutInitial; 
+    iTimer->CancelNotify();
+    }
+
+// ---------------------------------------------------------------------------
+// Starts timer
+// ---------------------------------------------------------------------------
+//
+void CSPAudioStreams::StartTimer() 
+    {
+    CSPLOGSTRING(CSPINT, "CSPAudioStreams::StartTimer" );
+    iTimer->NotifyAfter( iTimeout, *this );
+    }
+    
+// ---------------------------------------------------------------------------
+// Starts mic and speaker
+// ---------------------------------------------------------------------------
+//
+void CSPAudioStreams::StartMicAndSpeaker()
+    {
+    // if speaker and mic is active then activation does not
+    // cause any actions.
+    iSpeaker->Activate();
+    iMic->Activate();   
+    }
+
+// ---------------------------------------------------------------------------
+// Indicated if mic and speaker are started or starting up.
+// ---------------------------------------------------------------------------
+//    
+TBool CSPAudioStreams::IsMicAndSpeakerStarted()
+    {
+    TBool areStreamsActive( iSpeaker->IsActive() && iMic->IsActive() );
+    TBool areStreamsActivating( iMic->IsActivationOngoing() ||  
+        iSpeaker->IsActivationOngoing() || iTimer->IsNotifyOngoing() );
+        
+    return areStreamsActive || areStreamsActivating;
+    }
+
+//  End of File