camerauis/cameraapp/generic/src/CamCommandHandlerAo.cpp
branchRCL_3
changeset 24 bac7acad7cb3
parent 0 1ddebce53859
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/camerauis/cameraapp/generic/src/CamCommandHandlerAo.cpp	Wed Sep 01 12:30:54 2010 +0100
@@ -0,0 +1,163 @@
+/*
+* Copyright (c) 2007-2008 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 handling toolbar commands
+*
+*/
+
+
+// INCLUDE FILES
+#include "CamCommandHandlerAo.h"
+#include "camlogging.h"
+#include <aknview.h>
+
+// ============================ MEMBER FUNCTIONS ===============================
+
+// -----------------------------------------------------------------------------
+// CCamCommandHandlerAo::CCamCommandHandlerAo
+// C++ constructor
+// -----------------------------------------------------------------------------
+//
+CCamCommandHandlerAo::CCamCommandHandlerAo( CAknView* aView ) 
+	:CActive( CActive::EPriorityStandard ), iView( aView )
+    {
+    }
+
+// -----------------------------------------------------------------------------
+// CCamCommandHandlerAo::~CCamCommandHandlerAo
+// Destructor
+// -----------------------------------------------------------------------------
+//
+CCamCommandHandlerAo::~CCamCommandHandlerAo()
+	{
+	Cancel();
+    iCommandQueue.Close();
+	}
+
+// -----------------------------------------------------------------------------
+// CCamCommandHandlerAo::NewL
+// Two-phased constructor.
+// -----------------------------------------------------------------------------
+//
+CCamCommandHandlerAo* CCamCommandHandlerAo::NewL( CAknView* aView )
+	{
+	CCamCommandHandlerAo* self = new( ELeave ) CCamCommandHandlerAo( aView );
+  
+    CleanupStack::PushL( self );
+    self->ConstructL();
+    CleanupStack::Pop( self );
+
+    return self;	
+	}
+
+// -----------------------------------------------------------------------------
+// CCamCommandHandlerAo::ConstructL
+// 2nd phase construction
+// -----------------------------------------------------------------------------
+//
+void CCamCommandHandlerAo::ConstructL()
+   {
+   CActiveScheduler::Add( this );
+   }
+   
+// -----------------------------------------------------------------------------
+// CCamCommandHandlerAo::DoCancel
+// Cancels the active object
+// -----------------------------------------------------------------------------
+//
+void CCamCommandHandlerAo::DoCancel()
+    {
+    iCommandQueue.Close();    
+    PRINT( _L("Camera => CCamCommandHandlerAo::DoCancel()") );
+    }
+
+// -----------------------------------------------------------------------------
+// CCamCommandHandlerAo::RunL
+// Checks the command from command queue and sends it to view
+// -----------------------------------------------------------------------------
+//
+void CCamCommandHandlerAo::RunL()
+	{
+	if ( iCommandQueue.Count() )
+    	{
+        TInt command = iCommandQueue[ 0 ];
+        iCommandQueue.Remove( 0 );
+        iView->HandleCommandL( command );
+        }
+	}
+
+// -----------------------------------------------------------------------------
+// CCamCommandHandlerAo::RunError
+// Called when an error has occurred.
+// -----------------------------------------------------------------------------
+//
+TInt CCamCommandHandlerAo::RunError( TInt aError )
+	{
+	PRINT1( _L("Camera => CCamCommandHandlerAo::RunError( %d )"), aError );
+	(void)aError; // remove compiler warning
+	
+	iCommandQueue.Close();
+	
+	PRINT( _L("Camera <= CCamCommandHandlerAo::RunError()"));	
+	
+	return KErrNone;
+	}
+
+// -----------------------------------------------------------------------------
+// CCamCommandHandlerAo::HandleCommandL
+// Adds the command to queue and sets active
+// -----------------------------------------------------------------------------
+//	
+void CCamCommandHandlerAo::HandleCommandL( TInt aCommandId )
+	{
+    PRINT( _L("Camera => CCamCommandHandlerAo::HandleCommandL()"));
+
+    TInt count = iCommandQueue.Count();
+
+    if( count < 1 || iCommandQueue[ count - 1 ] != aCommandId )
+        {
+        iCommandQueue.AppendL( aCommandId );
+        }     
+  	
+    if ( !IsActive() )
+   	    {
+        TRequestStatus* statusPtr = &iStatus;
+        User::RequestComplete( statusPtr, KErrNone ); 
+    	SetActive();
+  	    }
+  	  
+    PRINT( _L("Camera <= CCamCommandHandlerAo::HandleCommandL()"));
+    }
+
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