--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/wvuing/wvaudiomanager/Src/CCANotifierImpl.cpp	Thu Dec 17 08:41:52 2009 +0200
@@ -0,0 +1,171 @@
+/*
+* Copyright (c) 2002-2005 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:  Publish and subscribe implementation
+*
+*/
+
+
+
+// INCLUDE FILES
+#include    "CCANotifierImpl.h"
+#include    "MCANotifierKeyObserver.h"
+#include    "CCAPropertyObserver.h"
+#include    <e32property.h>
+
+// ============================ MEMBER FUNCTIONS ===============================
+
+// -----------------------------------------------------------------------------
+// CCANotifierImpl::CCANotifierImpl
+// C++ default constructor can NOT contain any code, that
+// might leave.
+// -----------------------------------------------------------------------------
+//
+CCANotifierImpl::CCANotifierImpl( MCANotifierKeyObserver* aObserver, const TUid aUid )
+        : iObserver( aObserver ),
+        iCatUID( aUid )
+    {
+    }
+
+// -----------------------------------------------------------------------------
+// CCANotifierImpl::NewL
+// Two-phased constructor.
+// -----------------------------------------------------------------------------
+//
+CCANotifierImpl* CCANotifierImpl::NewL( MCANotifierKeyObserver* aObserver, const TUid aUid )
+    {
+    CCANotifierImpl* self = new( ELeave ) CCANotifierImpl( aObserver, aUid );
+    return self;
+    }
+
+
+// Destructor
+CCANotifierImpl::~CCANotifierImpl()
+    {
+    delete iPropWatcher;
+    }
+
+// -----------------------------------------------------------------------------
+// CCANotifierImpl::SetInt
+// (other items were commented in a header).
+// -----------------------------------------------------------------------------
+//
+TInt CCANotifierImpl::SetInt( TNotifyKey aKey, TInt aValue )
+    {
+    TInt err = KErrNone;
+    switch ( aKey )
+        {
+        case EUIPIndKey:
+            {
+            err = RProperty::Set( KPSUidCoreApplicationUIs, KCoreAppUIsUipInd, aValue ? ECoreAppUIsShow : ECoreAppUIsDoNotShow );
+            break;
+            }
+        case EMSGToneQuitKey:
+            err = RProperty::Set( KPSUidCoreApplicationUIs, KCoreAppUIsMessageToneQuit, aValue );
+            break;
+        default:
+            {
+            return KErrNotFound;
+            }
+        }
+    return err;
+    }
+
+// -----------------------------------------------------------------------------
+// CCANotifierImpl::GetInt
+// (other items were commented in a header).
+// -----------------------------------------------------------------------------
+//
+TInt CCANotifierImpl::GetInt( TNotifyKey aKey, TInt& aValue )
+    {
+    TInt err = KErrNone;
+    switch ( aKey )
+        {
+        case EUIPIndKey:
+            {
+            err = RProperty::Get( KPSUidCoreApplicationUIs, KCoreAppUIsUipInd, aValue );
+            break;
+            }
+        case EMSGToneQuitKey:
+            {
+            err = RProperty::Get( KPSUidCoreApplicationUIs, KCoreAppUIsMessageToneQuit, aValue );
+            break;
+            }
+        default:
+            {
+            err = KErrNotFound;
+            break;
+            }
+        }
+    return err;
+    }
+
+// -----------------------------------------------------------------------------
+// CCANotifierImpl::ListenKeyChanges
+// (other items were commented in a header).
+// -----------------------------------------------------------------------------
+//
+TInt CCANotifierImpl::ListenKeyChanges( TNotifyKey aKey )
+    {
+    TInt err = KErrNone;
+    delete iPropWatcher;
+    iPropWatcher = NULL;
+    switch ( aKey )
+        {
+        case EUIPIndKey:
+            {
+            TRAP( err, iPropWatcher = CCAPropertyObserver::NewL( *this ) );
+            if ( !err )
+                {
+                TRAP( err, iPropWatcher->ObservePropertyChangeL(
+                          KPSUidCoreApplicationUIs, KCoreAppUIsUipInd ) );
+                }
+            break;
+            }
+        case EMSGToneQuitKey:
+            {
+            TRAP( err, iPropWatcher = CCAPropertyObserver::NewL( *this ) );
+            if ( !err )
+                {
+                TRAP( err, iPropWatcher->ObservePropertyChangeL(
+                          KPSUidCoreApplicationUIs, KCoreAppUIsMessageToneQuit ) );
+                }
+            break;
+            }
+        default:
+            {
+            err = KErrNotFound;
+            break;
+            }
+        }
+    return err;
+    }
+
+// -----------------------------------------------------------------------------
+// CCANotifierImpl::HandlePropertyNotificationEventL
+// (other items were commented in a header).
+// -----------------------------------------------------------------------------
+//
+void CCANotifierImpl::HandlePropertyNotificationEventL( TUid /* aCategory */, TUint aKey )
+    {
+    TInt value( 0 );
+    User::LeaveIfError(
+        RProperty::Get( KPSUidCoreApplicationUIs, aKey, value ) );
+    TUpdatedKey key;
+    key.iUid = KPSUidCoreApplicationUIs;
+    key.iKey = aKey;
+    key.iValue = value;
+    iObserver->HandleKeyChange( key );
+    }
+
+//  End of File