--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/accessoryservices/headsetstatusapi/Src/CHeadsetStatusObserver.cpp	Tue Feb 02 00:53:00 2010 +0200
@@ -0,0 +1,204 @@
+/*
+* Copyright (c) 2005 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: 
+*     Main functionality of CHeadsetStatusObserver
+*
+*
+*/
+
+
+#ifdef __ACCESSORY_FW
+
+// INCLUDE FILES
+#include "CHeadsetStatusObserver.h"
+#include "HeadsetStatus.h"
+
+#include <AccessoryMode.h>
+
+// UNNAMED NAMESPACE FOR LOCAL DEFINITIONS
+namespace
+    {
+    //  CONSTANTS
+    #ifdef _DEBUG
+    _LIT( KPanicCat, "HeadsetStatusObserver" );
+    #endif
+    //  DATA TYPES
+    enum TPanicCode
+        {
+        EAlreadyObserving,
+        EInvalidObserver
+        };
+    }
+
+// ========================= MEMBER FUNCTIONS ================================
+   
+// ---------------------------------------------------------------------------
+// C++ constructor.
+// ---------------------------------------------------------------------------
+CHeadsetStatusObserver::CHeadsetStatusObserver( RAccessoryMode& aAccMode ):
+    CActive( CActive::EPriorityStandard ),
+    iAccMode( aAccMode )
+    {
+    CActiveScheduler::Add( this );
+    }
+
+// ---------------------------------------------------------------------------
+// CHeadsetStatusObserver::NewL
+// 
+// Symbian OS two-phased constructor.
+// ---------------------------------------------------------------------------
+CHeadsetStatusObserver* CHeadsetStatusObserver::NewL( RAccessoryMode& aAccMode )
+    {
+    CHeadsetStatusObserver* self = new ( ELeave )
+        CHeadsetStatusObserver( aAccMode );
+    
+    CleanupStack::PushL( self );
+    self->ConstructL();
+    CleanupStack::Pop( self );
+    
+    return self;
+    }
+
+// ---------------------------------------------------------------------------
+// CHeadsetStatusObserver::ConstructL
+// 
+// Symbian OS two-phased constructor.
+// ---------------------------------------------------------------------------
+void CHeadsetStatusObserver::ConstructL()
+    {
+    }
+
+// ---------------------------------------------------------------------------
+// C++ destructor
+// ---------------------------------------------------------------------------
+CHeadsetStatusObserver::~CHeadsetStatusObserver()
+    {
+    Cancel();
+    }
+
+// ---------------------------------------------------------------------------
+// CHeadsetStatusObserver::SetObserver
+// ---------------------------------------------------------------------------
+void CHeadsetStatusObserver::SetObserver( MHeadsetStatusObserver* aObserver )
+    {
+    __ASSERT_DEBUG( aObserver, User::Panic( KPanicCat, EInvalidObserver ) );
+    
+    iObserver = aObserver;
+    }
+
+// ---------------------------------------------------------------------------
+// CHeadsetStatusObserver::StartObserving
+// ---------------------------------------------------------------------------
+void CHeadsetStatusObserver::StartObserving()
+    {
+    __ASSERT_DEBUG( !IsActive(), User::Panic( KPanicCat, EAlreadyObserving ) );
+    
+    // Set iStatus to pending and request notifications
+    iAccMode.NotifyAccessoryModeChanged( iStatus, iAccPolMode );
+    SetActive();
+    }
+
+// ---------------------------------------------------------------------------
+// CHeadsetStatusObserver::RunL
+// ---------------------------------------------------------------------------
+void CHeadsetStatusObserver::RunL()
+    {
+    TInt err( iStatus.Int() );
+    if( err == KErrNone )
+        {
+        // Notify observer
+        NotifyObserverL();
+        }
+    else
+        {
+        // Notify error
+        NotifyObserverError( err );
+        }
+        
+    // continue observing
+    StartObserving();
+    }
+
+// ---------------------------------------------------------------------------
+// CHeadsetStatusObserver::DoCancel
+// ---------------------------------------------------------------------------
+void CHeadsetStatusObserver::DoCancel()
+    {
+    // cancel acc mode changed notifications
+    iAccMode.CancelNotifyAccessoryModeChanged();
+    }
+
+// ---------------------------------------------------------------------------
+// CHeadsetStatusObserver::RunError
+// ---------------------------------------------------------------------------
+TInt CHeadsetStatusObserver::RunError( TInt aError )
+    {
+    // error notified to observer
+    NotifyObserverError( aError );
+    
+    // continue observing
+    StartObserving();
+    
+    return KErrNone;
+    }
+
+// ---------------------------------------------------------------------------
+// CHeadsetStatusObserver::NotifyObserverL
+// ---------------------------------------------------------------------------
+void CHeadsetStatusObserver::NotifyObserverL()
+    {
+    __ASSERT_DEBUG( iObserver, User::Panic( KPanicCat, EInvalidObserver ) );
+    
+    TBool connected( EFalse );
+    
+    switch( iAccPolMode.iAccessoryMode )
+        {
+        // Headset connected
+        case EAccModeWiredHeadset:
+        case EAccModeWirelessHeadset:
+        case EAccModeLoopset:
+        case EAccModeHeadphones:
+            {
+            connected = ETrue;
+            break;
+            }
+        // Headset disconnected
+        case EAccModeHandPortable:
+        case EAccModeWiredCarKit:
+        case EAccModeWirelessCarKit:
+        case EAccModeTextDevice:
+        case EAccModeMusicStand:
+        default:
+            {
+            // nothing to do
+            break;
+            }
+        }
+    
+    // notify observer
+    iObserver->HeadsetStatusChangedL( connected );
+    }
+    
+// ---------------------------------------------------------------------------
+// CHeadsetStatusObserver::NotifyObserverError
+// ---------------------------------------------------------------------------
+void CHeadsetStatusObserver::NotifyObserverError( TInt aError )
+    {
+    __ASSERT_DEBUG( iObserver, User::Panic( KPanicCat, EInvalidObserver ) );
+    
+    iObserver->HeadsetStatusError( aError );
+    }
+#endif  // __ACCESSORY_FW
+
+// End of File