--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/camerauis/cameraapp/generic/src/CamBmpRotatorAo.cpp	Wed Sep 01 12:30:54 2010 +0100
@@ -0,0 +1,167 @@
+/*
+* 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:  Utility class to rotate bitmaps*
+*/
+
+
+
+// INCLUDE FILES
+#include <e32base.h>
+#include <e32std.h>
+#include "CamBmpRotatorAo.h"
+#include "camlogging.h"
+
+// CONSTANTS
+
+// MACROS
+
+// LOCAL CONSTANTS AND MACROS
+
+// MODULE DATA STRUCTURES
+
+// LOCAL FUNCTION PROTOTYPES
+
+// FORWARD DECLARATIONS
+
+// ============================= LOCAL FUNCTIONS ===============================
+
+// ============================ MEMBER FUNCTIONS ===============================
+
+// -----------------------------------------------------------------------------
+// CCamBmpRotatorAo::CCamBmpRotatorAo
+// C++ constructor
+// -----------------------------------------------------------------------------
+//
+CCamBmpRotatorAo::CCamBmpRotatorAo() : CActive( EPriorityHigh )
+    {    
+    }
+
+// -----------------------------------------------------------------------------
+// CCamBmpRotatorAo::ConstructL
+// Second phase constructor.
+// -----------------------------------------------------------------------------
+//
+void CCamBmpRotatorAo::ConstructL()
+    {    
+    iRotator = CBitmapRotator::NewL();
+    CActiveScheduler::Add( this );
+    }
+
+// -----------------------------------------------------------------------------
+// CCamBmpRotatorAo::NewL
+// Two-phased constructor.
+// -----------------------------------------------------------------------------
+//
+CCamBmpRotatorAo* CCamBmpRotatorAo::NewL()
+    {
+    CCamBmpRotatorAo* self = new( ELeave ) CCamBmpRotatorAo();
+    CleanupStack::PushL( self );
+    self->ConstructL();
+    CleanupStack::Pop( self );
+    return self;
+    }
+
+
+// -----------------------------------------------------------------------------
+// CCamBmpRotatorAo::~CCamBmpRotatorAo()
+// Destructor
+// -----------------------------------------------------------------------------
+//
+CCamBmpRotatorAo::~CCamBmpRotatorAo()
+  {
+  PRINT( _L("Camera => ~CCamBmpRotatorAo") );
+  if ( IsActive() )
+    {
+    Cancel();
+    }
+  
+  delete iRotator;
+  iQueue.ResetAndDestroy();
+  PRINT( _L("Camera <= ~CCamBmpRotatorAo") );
+  }
+
+
+    
+// -----------------------------------------------------------------------------
+// CCamBmpRotatorAo::AddToQueueL
+// Adds the specified bitmap/rotator to the queue of items to be rotated
+// -----------------------------------------------------------------------------
+//
+void CCamBmpRotatorAo::AddToQueueL( CFbsBitmap* aBitmap, CBitmapRotator::TRotationAngle aAngle )
+    {
+    CRotateTask* task = new ( ELeave ) CRotateTask;
+    CleanupStack::PushL( task );
+    task->iBitmap = aBitmap;
+    task->iAngle = aAngle;
+    User::LeaveIfError( iQueue.Append( task ) );        
+    CleanupStack::Pop( task );
+    }
+    
+// -----------------------------------------------------------------------------
+// CCamBmpRotatorAo::RunL
+// Called when a rotation operation is completed (or cancelled)
+// -----------------------------------------------------------------------------
+//
+void CCamBmpRotatorAo::RunL()
+    {
+    // Pop the completed image from the queue.
+    CRotateTask* task = iQueue[0];    
+    iQueue.Remove( 0 );    
+    delete task;  // NOTE: no need to delete bitmap (as not owned)
+        
+    // If rotate completed successfully...
+    // ... and there are more left on the queue...
+    // ... then start the next rotate
+    if ( iStatus.Int() == KErrNone )
+        {
+        if ( iQueue.Count() > 0 )
+            {
+            StartNextRotate();
+            }    
+        }
+    else 
+        {
+        // Rotation failed; cancel further rotation attempts in 
+        // the queue
+        iQueue.ResetAndDestroy();
+        }
+    }
+    
+// -----------------------------------------------------------------------------
+// CCamBmpRotatorAo::DoCancel
+// Called to cancel an outstanding rotation operation
+// -----------------------------------------------------------------------------
+//
+void CCamBmpRotatorAo::DoCancel()
+    {
+    iRotator->Cancel();
+    }
+    
+// -----------------------------------------------------------------------------
+// CCamBmpRotatorAo::StartNextRotate
+// Called to start the next queued rotation task.  If no tasks are queued, does nothing
+// -----------------------------------------------------------------------------
+//
+void CCamBmpRotatorAo::StartNextRotate()
+    {
+    if ( iQueue.Count() == 0 )
+        return;
+    
+    CRotateTask* task = iQueue[0];
+       
+    iRotator->Rotate( &iStatus, *task->iBitmap, task->iAngle );
+    SetActive();
+    }
+
+//  End of File