--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/camerauis/cameraapp/generic/src/CamObserverHandler.cpp	Thu Jan 07 16:18:56 2010 +0200
@@ -0,0 +1,130 @@
+/*
+* Copyright (c) 2007 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:  Generic handler to be used by Observables
+*
+*  Copyright © 2007 Nokia.  All rights reserved.
+*  This material, including documentation and any related computer
+*  programs, is protected by copyright controlled by Nokia.  All
+*  rights are reserved.  Copying, including reproducing, storing,
+*  adapting or translating, any or all of this material requires the
+*  prior written consent of Nokia.  This material also contains
+*  confidential information which may not be disclosed to others
+*  without the prior written consent of Nokia.
+
+*
+*
+*/
+
+
+
+// INCLUDE FILES
+#include "CamObservable.h"
+#include "CamObserver.h"
+#include "CamObserverHandler.h"
+#include "camlogging.h"
+
+// ---------------------------------------------------------
+// CCamObserverHandler::CCamObserverHandler
+// C++ constructor
+// ---------------------------------------------------------
+//
+CCamObserverHandler::CCamObserverHandler()
+    {
+    }
+    
+// ---------------------------------------------------------
+// CCamObserverHandler::~CCamObserverHandler
+// C++ Destructor
+// ---------------------------------------------------------
+//
+CCamObserverHandler::~CCamObserverHandler()
+  {
+  PRINT( _L("Camera => ~CCamObserverHandler") );
+  iObservers.Reset();
+  PRINT( _L("Camera <= ~CCamObserverHandler") );
+  }
+    
+// ---------------------------------------------------------
+// CCamObserverHandler::NewL
+// Symbian 2-phase constructor
+// ---------------------------------------------------------
+//
+CCamObserverHandler* CCamObserverHandler::NewL()
+    {
+    CCamObserverHandler* self = new( ELeave ) CCamObserverHandler();
+    CleanupStack::PushL( self );
+    self->ConstructL();
+    CleanupStack::Pop( self );
+    return self;
+    }
+    
+// ---------------------------------------------------------
+// CCamObserverHandler::ConstructL
+// Second phase constructor
+// ---------------------------------------------------------
+//
+void CCamObserverHandler::ConstructL()
+    {
+    }
+
+// ---------------------------------------------------------
+// CCamObserverHandler::RegisterObserverL
+// Registers observer if not previously registered
+// ---------------------------------------------------------
+//
+void CCamObserverHandler::RegisterObserverL(MCamObserver* aObserver)
+    {
+    if ( aObserver )
+        {
+        if ( KErrNotFound == iObservers.Find( aObserver ))
+            {
+            User::LeaveIfError(iObservers.Append(aObserver));
+            }
+        }
+    }
+    
+// ---------------------------------------------------------
+// CCamObserverHandler::DeregisterObserver
+// Removes observer
+// ---------------------------------------------------------
+//
+void CCamObserverHandler::DeregisterObserver(MCamObserver* aObserver)
+    {
+    if ( aObserver )
+        {
+        TInt index = iObservers.Find( aObserver );
+        if ( KErrNotFound != index )
+            {
+            iObservers.Remove(index);
+            }
+        }
+    }
+    
+// ---------------------------------------------------------
+// CCamObserverHandler::BroadcastEvent
+// Broadcasts an event code to all observers
+// ---------------------------------------------------------
+//
+void CCamObserverHandler::BroadcastEvent( TCamObserverEvent aEvent )
+    {
+    TInt count = iObservers.Count();
+    TInt i;
+    for ( i = 0; i < count; i++ )
+        {
+        // Checked to be non-NULL when added to array.
+        iObservers[i]->HandleObservedEvent( aEvent );
+        }
+    }
+    
+// End of File