--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/locationcentre/lcservice/inc/lcasyncoperation.h Tue Feb 02 00:16:03 2010 +0200
@@ -0,0 +1,213 @@
+/*
+* 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: Handles all the Asynchronous operations with the Location
+* Centre Client Session
+*
+*/
+
+
+#ifndef C_LCASYNCOPERATION_H
+#define C_LCASYNCOPERATION_H
+
+// SYSTEM INCLUDES
+#include <e32base.h>
+
+// USER INCLUDES
+#include "lclocationappfilter.h"
+
+// FORWARD DECLARATIONS
+class RLcClientSession;
+class CLcBasicAppInfo;
+class CLcLocationAppInfoArray;
+class TLcLocationAppFilter;
+class RLcClientSession;
+class CBufFlat;
+
+/**
+ * Observer class to notify the completion of the Asynchronous operation
+ * @lib lcservice.lib
+ * @since v5.0
+ */
+class MLcAsynOperationObserver
+ {
+public:
+ /**
+ * Notification for the Completion of the Asynchronous operation.
+ *
+ * @param[in] aError Error code for the completion of the Asynchronous
+ * Operation.
+ */
+ virtual void OperationComplete( TInt aError ) =0;
+ };
+
+/**
+ * Handles all the Asynchronous operations to the Location Centre Server.
+ *
+ * @lib lcservice.lib
+ * @since S60 v5.0
+ */
+NONSHARABLE_CLASS( CLcAsyncOperation ) : public CActive
+ {
+public:
+ /**
+ * Constructs a new instance of Location Centre interface.
+ *
+ * @param[in] aSession Reference to the Location Centre Client Session.
+ * @param[in] aObserver Observer to notify the Completion of the Asynchronous
+ * Operation.
+ * @return The new instance of Location Centre interface object.
+ * @leave System wide error code if the object creation fails.
+ */
+ static CLcAsyncOperation* NewL( RLcClientSession& aSession,
+ MLcAsynOperationObserver& aObserver );
+
+ /**
+ * C++ Destructor.
+ * Frees all the resources associated with this Location Centre
+ * interface.
+ */
+ virtual ~CLcAsyncOperation();
+
+ /**
+ * Gets a filtered list of Location based Applications.
+ *
+ * @param[in] aLocationAppFilter Filtering parameters.
+ * @param[in] CLcLocationAppInfoArray* Array of Location based Applications and
+ * Contents/Services.
+ */
+ void GetLocationApplicationsL(
+ const TLcLocationAppFilter& aLocationAppFilter,
+ CLcLocationAppInfoArray*& aAppInfoArray );
+ /**
+ * Cancels an outstanding @ref GetLocationApplications request.
+ */
+ void CancelGetLocationApplications();
+
+private:
+ /**
+ * Default Constructor
+ */
+ CLcAsyncOperation( RLcClientSession& aSession,
+ MLcAsynOperationObserver& aObserver );
+
+ void ConstructL();
+
+ /**
+ * Issues a self request to this Active Object.
+ */
+ void GetLengthL();
+
+ /**
+ * Re-issues a request to the Location Centre Server. The request which will be re-issued
+ * will be the last request which was issued.
+ */
+ void ReIssueRequestL();
+
+private: // Inherited from Base classes
+ /**
+ * Inherited from CActive
+ */
+ void RunL();
+
+ /**
+ * Inherited from CActive
+ */
+ void DoCancel();
+
+ /**
+ * Inherited from CActive
+ */
+ TInt RunError( TInt aError );
+
+private: // Member Variables
+ /**
+ * Class declaration for holding the Location Application Information
+ * array.
+ */
+ class TLcAppInfoContainer
+ {
+ public:
+ /**
+ * Overloaded constructor which takes the reference of the
+ * Application Information array.
+ */
+ TLcAppInfoContainer( CLcLocationAppInfoArray*& aAppInfoArray );
+
+ public:
+ /**
+ * Reference to the Application Information array.
+ */
+ CLcLocationAppInfoArray*& iAppInfoArray;
+ };
+
+ /**
+ * Enumeration for the State of Asynchronous operation
+ */
+ enum TASyncOperation
+ {
+ ELcNoOperation,
+ ELcGetAppLength,
+ ELcGetApp
+ };
+
+ /**
+ * Reference to the Client session to the Location Centre Server.
+ */
+ RLcClientSession& iClientSession;
+
+ /**
+ * Observer to notify the completion of the Asynchronous request.
+ */
+ MLcAsynOperationObserver& iObserver;
+
+ /**
+ * Current State of operation
+ */
+ TASyncOperation iOperation;
+
+ /**
+ * Location Application filter for this Application.
+ */
+ TLcLocationAppFilter iAppFilter;
+
+ /**
+ * Buffer for exchanging information with the Location Centre Server.
+ *
+ * Owns
+ */
+ CBufFlat* iBuffer;
+
+ /**
+ * Pointer to the above buffer
+ */
+ TPtr8 iBufferPtr;
+
+ /**
+ * Place holder for the Location Centre Application Information
+ * Array.
+ */
+ TLcAppInfoContainer* iAppInfoArrayContainer;
+
+ /**
+ * IPC arguments
+ */
+ TIpcArgs iIpcArgs;
+
+ /**
+ * Package buffer containing the Application Filter options.
+ */
+ TPckg< TLcLocationAppFilter >* iFilterBuffer;
+ };
+
+#endif // C_LCASYNCOPERATION_H