engine/collectionframework/datasource/plugins/glxdatasourcemde2.5/inc/glxdatasourcetaskmdsthumbnail.h
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/engine/collectionframework/datasource/plugins/glxdatasourcemde2.5/inc/glxdatasourcetaskmdsthumbnail.h Fri Mar 19 09:28:59 2010 +0200
@@ -0,0 +1,139 @@
+/*
+* Copyright (c) 2008-2009 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:
+*
+*/
+
+
+
+#ifndef GLXDATASOURCETASKMDSTHUMBNAIL_H_
+#define GLXDATASOURCETASKMDSTHUMBNAIL_H_
+
+/**
+ * @author Simon Brooks, Alex Birkett
+ */
+
+#include "glxdatasourcetaskmdsattribute.h"
+
+#ifdef USE_S60_TNM
+#include "mthumbnailfetchrequestobserver.h"
+#endif
+
+#include <mglxtnthumbnailcreatorclient.h>
+#include <glxthumbnailrequest.h>
+
+/**
+ * CGlxDataSourceTaskMdeThumnail class
+ * Services thumbnail requests
+ */
+NONSHARABLE_CLASS(CGlxDataSourceTaskMdeThumbnail) : public CGlxDataSourceTaskMde
+#ifdef USE_S60_TNM
+ , public MThumbnailFetchRequestObserver
+#else
+ , public MGlxtnThumbnailCreatorClient
+#endif
+ {
+public:
+ /**
+ * Constructor
+ * @param aRequest thumbnail request to service
+ * @param aObserver observer
+ * @param aDataSource data source
+ */
+ CGlxDataSourceTaskMdeThumbnail(CGlxThumbnailRequest* aRequest,
+ MGlxDataSourceRequestObserver& aObserver, CGlxDataSource* aDataSource);
+
+ /**
+ * Destructor
+ */
+ ~CGlxDataSourceTaskMdeThumbnail();
+
+private: // From CGlxDataSourceTask
+ /**
+ * See @ref CGlxDataSourceTask::ExecuteRequestL
+ */
+ void ExecuteRequestL();
+ /**
+ * See @ref CGlxDataSourceTask::HandleRequestComplete
+ */
+ void HandleRequestComplete(TInt aError);
+
+private: // From CGlxDataSourceTaskMde
+ /**
+ * See @ref CGlxDataSourceTaskMde::DoHandleQueryCompletedL
+ */
+ void DoHandleQueryCompletedL(CMdEQuery& aQuery);
+
+#ifdef USE_S60_TNM
+private: //MThumbnailFetchRequestObserver
+ void ThumbnailFetchComplete(TInt aError);
+ void FetchFileInfoL();
+#endif
+
+private: // From MGlxtnThumbnailCreatorClient
+ /**
+ * See @ref MGlxtnThumbnailCreatorClient::ThumbnailFetchComplete
+ */
+ void ThumbnailFetchComplete(const TGlxMediaId& aItemId,
+ TGlxThumbnailQuality aQuality, TInt aErrorCode);
+
+ /**
+ * See @ref MGlxtnThumbnailCreatorClient::ThumbnailDeletionComplete
+ */
+ void ThumbnailDeletionComplete(const TGlxMediaId& aItemId, TInt aErrorCode);
+
+ /**
+ * See @ref MGlxtnThumbnailCreatorClient::FilterAvailableComplete
+ */
+ void FilterAvailableComplete(const RArray<TGlxMediaId>& aIdArray, TInt aErrorCode);
+
+ /**
+ * See @ref MGlxtnThumbnailCreatorClient::FetchFileInfoL
+ */
+ void FetchFileInfoL(CGlxtnFileInfo* aInfo, const TGlxMediaId& aItemId,
+ TRequestStatus* aStatus);
+
+ /**
+ * See @ref MGlxtnThumbnailCreatorClient::CancelFetchUri
+ */
+ void CancelFetchUri(const TGlxMediaId& aItemId);
+
+ /**
+ * See @ref MGlxtnThumbnailCreatorClient::ThumbnailStorage
+ */
+ MGlxtnThumbnailStorage* ThumbnailStorage();
+
+private:
+ void HandleThumbnailFetchCompleteL(const TGlxMediaId& aId,
+ TGlxThumbnailQuality aQuality);
+
+ void DoHandleContainerFirstItemQueryCompletedL();
+
+ void CompleteFetchFileInfoL(CMdEObject* aItem);
+
+private:
+ void CompleteThumbnailRequest(TInt aError);
+
+private:
+ CGlxtnFileInfo* iTnFileInfo;
+
+ TRequestStatus* iTnRequestStatus;
+
+ TBool iTnRequestInProgress;
+
+ TTime iStartTime;
+ TTime iStopTime;
+ };
+
+#endif // GLXDATASOURCETASKMDSTHUMBNAIL_H_