diff -r 000000000000 -r 9b3e960ffc8a camappengine/Engine/Src/CaeCallbackActive.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/camappengine/Engine/Src/CaeCallbackActive.cpp	Thu Dec 17 08:51:24 2009 +0200
@@ -0,0 +1,153 @@
+/*
+* Copyright (c) 2003,2004 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:  Active object for calling Camera Application Engine methods 
+*                indirectly from callbacks
+*
+*/
+
+
+// INCLUDE FILES
+#include "CaeCallbackActive.h"
+#include "CaeEngineImp.h"
+
+
+// ================= MEMBER FUNCTIONS =======================
+
+
+// ---------------------------------------------------------------------------
+// CCaeCallbackActive::CCaeCallbackActive()
+// C++ constructor.
+// Adds the object to the Active Scheduler.
+// ---------------------------------------------------------------------------
+//
+CCaeCallbackActive::CCaeCallbackActive( 
+    CCaeEngineImp& aCamAppEngine )
+: CActive( EPriorityStandard ), iCamAppEngine( aCamAppEngine )
+    {
+    CActiveScheduler::Add( this );
+    }
+
+
+// ---------------------------------------------------------------------------
+// CCaeCallbackActive::CCaeCallbackActive()
+// Destructor. 
+// Cancels operation and closes the timer.
+// ---------------------------------------------------------------------------
+//
+CCaeCallbackActive::~CCaeCallbackActive()
+    {
+    Cancel();
+    iTimer.Close();
+    }
+
+
+// ---------------------------------------------------------------------------
+// CCaeCallbackActive::NewLC()
+// Symbian OS two-phased constructor.
+// ---------------------------------------------------------------------------
+//
+CCaeCallbackActive* CCaeCallbackActive::NewLC( 
+    CCaeEngineImp& aCamAppEngine )
+    {
+    CCaeCallbackActive* self = new( ELeave ) CCaeCallbackActive( aCamAppEngine );
+
+    CleanupStack::PushL( self );
+    self->ConstructL();
+    return self;
+    }
+
+
+// ---------------------------------------------------------------------------
+// CCaeCallbackActive::NewL()
+// Symbian OS two-phased constructor.
+// ---------------------------------------------------------------------------
+//
+CCaeCallbackActive* CCaeCallbackActive::NewL( 
+    CCaeEngineImp& aCamAppEngine )
+    {
+    CCaeCallbackActive* self = NewLC( aCamAppEngine );
+    CleanupStack::Pop( self );
+    return self;
+    }
+
+
+// ---------------------------------------------------------------------------
+// CCaeCallbackActive::ConstructL()
+// Symbian OS 2nd phase constructor that can leave.
+// ---------------------------------------------------------------------------
+//
+void CCaeCallbackActive::ConstructL()
+    {
+    User::LeaveIfError( iTimer.CreateLocal() );
+    }
+
+
+// ---------------------------------------------------------------------------
+// CCaeCallbackActive::PowerOn()
+// Switches camera power on.
+// ---------------------------------------------------------------------------
+//
+void CCaeCallbackActive::PowerOn()
+    {
+    LOGTEXT( _L( "Cae: CCaeCallbackActive::PowerOn() entering" ) );
+
+    _LIT( KPowerOnPanic, "CCaeCallbackActive::PowerOn");
+    __ASSERT_ALWAYS( !IsActive(), User::Panic( KPowerOnPanic, 1 ) );
+
+    iRequest = CCaeCallbackActive::ERequestPowerOn;
+
+    SetActive();
+    TRequestStatus* statusPtr = &iStatus;
+    User::RequestComplete( statusPtr, KErrNone );
+
+    LOGTEXT( _L( "Cae: CCaeCallbackActive::PowerOn() returning" ) );
+    }
+
+
+// ---------------------------------------------------------------------------
+// CCaeCallbackActive::RunL()
+// Calls Camera Application Engine operation.
+// ---------------------------------------------------------------------------
+//
+void CCaeCallbackActive::RunL()
+    {
+    LOGTEXT( _L( "Cae: CCaeCallbackActive::RunL() entering" ) );
+
+    switch ( iRequest ) 
+        {
+        case CCaeCallbackActive::ERequestPowerOn:
+            // Call Camera Application Engine to switch camera power on.
+            iCamAppEngine.PowerOn();
+            break;
+        default:
+            break;
+        }
+
+    LOGTEXT( _L( "Cae: CCaeCallbackActive::RunL() returning" ) );
+    }
+
+
+// ---------------------------------------------------------------------------
+// CCaeCallbackActive::DoCancel()
+// Cancels request.
+// ---------------------------------------------------------------------------
+//
+void CCaeCallbackActive::DoCancel()
+    {
+    iTimer.Cancel();
+    iRequest = CCaeCallbackActive::ERequestDefault;
+    }
+
+
+// End of File