servicewidget/servicewidgetdatapublisher/src/cservicewidgetimagedecoder.cpp
changeset 0 5e5d6b214f4f
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/servicewidget/servicewidgetdatapublisher/src/cservicewidgetimagedecoder.cpp	Tue Feb 02 10:12:18 2010 +0200
@@ -0,0 +1,165 @@
+/*
+* Copyright (c) 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:  presene avatar decoder handler 
+ *                
+ *
+*/
+
+ 
+#include "cservicewidgetimagedecoder.h"
+#include "servicewidgetcpglobals.h"
+#include <cbsbitmap.h>
+#include <ImageConversion.h> 
+
+const TInt KMimeLength = 16;
+// ---------------------------------------------------------------------------
+// CServiceWidgetImageDecoder::NewL
+// Two-phase construction
+// ---------------------------------------------------------------------------
+//
+CServiceWidgetImageDecoder* CServiceWidgetImageDecoder::NewL(MServiceWidgetImagerDecodeObserver& aObserver )
+    {
+    CServiceWidgetImageDecoder* self = new (ELeave) CServiceWidgetImageDecoder(aObserver);
+    CleanupStack::PushL(self);
+    self->ConstructL();
+    CleanupStack::Pop(self);
+    return self;
+    }
+
+// ---------------------------------------------------------------------------
+// CServiceWidgetImageDecoder::CServiceWidgetImageDecoder
+// First phase (C++) constructor
+// ---------------------------------------------------------------------------
+//
+CServiceWidgetImageDecoder::CServiceWidgetImageDecoder(MServiceWidgetImagerDecodeObserver& aObserver ) 
+	: 
+	CActive( CActive::EPriorityStandard ), 
+	iObserver(aObserver)
+    { 
+    CActiveScheduler::Add(this); 
+    }
+
+// ---------------------------------------------------------------------------
+// CServiceWidgetImageDecoder::ConstructL
+// ConstructL, second phase constructor
+// ---------------------------------------------------------------------------
+//
+void CServiceWidgetImageDecoder::ConstructL()
+    {
+    User::LeaveIfError( iFs.Connect() );
+    }
+
+// ---------------------------------------------------------------------------
+// CServiceWidgetImageDecoder::~CServiceWidgetImageDecoder
+// ---------------------------------------------------------------------------
+//
+CServiceWidgetImageDecoder::~CServiceWidgetImageDecoder()
+    {
+    DoCancel();
+    if (iImgDecoder)
+        {
+        delete iImgDecoder;
+        iImgDecoder = NULL;
+        }
+    if (iBitmap)
+        {
+        delete iBitmap;
+        iBitmap = NULL;
+        }
+    if (iBitmapData)
+        {
+        delete iBitmapData;
+        iBitmapData = NULL;
+        }
+    iFs.Close();
+    }
+
+// ---------------------------------------------------------------------------
+// CServiceWidgetImageDecoder::StartDecodingL
+// Starts the decoding process
+// ---------------------------------------------------------------------------
+//
+void CServiceWidgetImageDecoder::StartDecodingL(const TDesC8& aBitmapData )
+    {
+    iBitmapData = aBitmapData.AllocL();
+    
+    iMimeType = HBufC8::NewL( KMimeLength);
+    TPtr8 mimePtr = iMimeType->Des();
+    CImageDecoder::GetMimeTypeDataL( *iBitmapData , mimePtr );
+     
+    iImgDecoder = CImageDecoder::DataNewL( iFs, *iBitmapData );
+    TFrameInfo info = iImgDecoder->FrameInfo();
+    iBitmap = new ( ELeave ) CFbsBitmap;
+    User::LeaveIfError( iBitmap->Create( info.iOverallSizeInPixels, info.iFrameDisplayMode ));
+    
+    iNextOperationId = EOpEncodeBitmap;
+    iStatus = KRequestPending;
+    iImgDecoder->Convert( &iStatus, *iBitmap );
+    SetActive();
+    }
+
+// ---------------------------------------------------------------------------
+// CServiceWidgetImageDecoder::RunL
+// Called by the active object framework when the decoding (request) is
+// completed.
+// ---------------------------------------------------------------------------
+//
+void CServiceWidgetImageDecoder::RunL() 
+	{
+	User::LeaveIfError( iStatus.Int() );
+	
+	switch( iNextOperationId )
+		{
+		case EOpEncodeBitmap: 
+			{
+			StartEncodingL();
+			break;	
+			}
+		case EOpComplete: 
+			{
+			iObserver.HandlerDecodeCompleteL();
+			break;	
+			}
+		}
+   }
+
+// ---------------------------------------------------------------------------
+// CServiceWidgetImageDecoder::DoCancel
+// Called when the decoding (request) is cancelled for some reason.
+// ---------------------------------------------------------------------------
+//
+void CServiceWidgetImageDecoder::DoCancel()
+    { 
+    iImgDecoder->Cancel(); 
+    }
+// ---------------------------------------------------------------------------
+// CServiceWidgetImageDecoder::StartEncodingL
+// Called when the decoding (request) is cancelled for some reason.
+// ---------------------------------------------------------------------------
+//
+void CServiceWidgetImageDecoder::StartEncodingL()
+    { 
+ 	iImageEncoder = CImageEncoder::FileNewL(iFs, 
+ 											KSeTAvatarPath, 
+ 											*iMimeType, 
+ 											CImageEncoder::EOptionExtUseWithSetThumbnail );
+    iImageEncoder->SetThumbnail(ETrue);
+    
+    iNextOperationId = EOpComplete;
+    iStatus = KRequestPending;
+    iImageEncoder->Convert( &iStatus, *iBitmap );
+    SetActive();
+    }
+
+// end of file