--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/mapnavproviderrefapp/inc/mnrppositionrequest.h Wed Sep 01 12:31:27 2010 +0100
@@ -0,0 +1,141 @@
+/*
+* Copyright (c) 2006 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: CMnrpPositionRequest class definition
+*
+*/
+
+
+#ifndef MNRP_POSITION_REQUEST_H_
+#define MNRP_POSITION_REQUEST_H_
+
+#include <e32base.h>
+#include <lbs.h>
+
+class TPositionUpdateOptions;
+
+/** Position observer */
+class MMnrpPositionObserver
+ {
+ public:
+ virtual void HandlePositionRequestCompletedL( TInt aError ) =0;
+ };
+
+/** Provides an interface for retrieving the current location.
+ */
+class CMnrpPositionRequest: public CActive
+ {
+ public:
+
+ /** Creates new instance of request
+ * @param aAppName the name of this application
+ * @param aObserver observer to callback when locations are retrieved
+ */
+ IMPORT_C static CMnrpPositionRequest* NewL(
+ const TDesC& aRequestorName,
+ MMnrpPositionObserver& aObserver);
+
+ IMPORT_C ~CMnrpPositionRequest();
+
+ public:
+
+ /**
+ * Starts the fetching of a location. In the first place the default
+ * proxy is used for retrieving a location. If fetching default location
+ * fails the last known location is fetched. If fetching last known
+ * location fails, an error code is returned to the observer.
+ *
+ * @param aLastKnownLocationAllowed whether last know location is allowed
+ */
+ IMPORT_C void FetchNewPosition( TBool aLastKnownLocationAllowed = EFalse );
+
+ /** Returns current location */
+ IMPORT_C void GetPosition( TPositionInfo& aPosition );
+
+ /** Returns current speed info */
+ IMPORT_C TReal32 Speed();
+
+ /** Returns current heading info */
+ IMPORT_C TReal32 Heading();
+
+ /** Returns current magnetic heading info */
+ IMPORT_C TReal32 MagneticHeading();
+
+ /** Returns current course info */
+ IMPORT_C TReal32 Course();
+
+ /** Returns current magnetic course info */
+ IMPORT_C TReal32 MagneticCourse();
+
+ /** Modifies options for the next request */
+ IMPORT_C void SetOptionsL( const TPositionUpdateOptionsBase& aOptions );
+
+ protected: // from CActive
+
+ void DoCancel();
+ void RunL();
+ TInt RunError(TInt aError);
+
+ private:
+
+ CMnrpPositionRequest( MMnrpPositionObserver& aObserver );
+ void ConstructL( const TDesC& aAppName );
+
+ /** Issues new request for location retrieval. */
+ void ExecuteNextStep();
+
+ void InitContainer( HPositionGenericInfo& aGenericInfo );
+ void SaveContainer( const HPositionGenericInfo& aGenericInfo );
+
+ private:
+
+ /**
+ * TState defines the different states this object may enter.
+ */
+ enum TState
+ {
+ EIdle,
+ EAcquiringDefaultLocation,
+ EAcquiringLastKnownLocation
+ };
+
+ private:
+
+ //! Contains the location
+ HPositionGenericInfo* iGenericPosition;
+
+ //! Local storage for last location info
+ TPositionInfo iPositionInfo;
+ TReal32 iSpeed;
+ TReal32 iHeading;
+ TReal32 iMagneticHeading;
+ TReal32 iCourse;
+ TReal32 iMagneticCourse;
+
+ //! The observer to callback when location retieval is ready
+ MMnrpPositionObserver& iObserver;
+
+ //! Reference to the Location Server session
+ RPositionServer iLocationServer;
+
+ //! Reference to the Location Server subsession
+ RPositioner iPositioner;
+
+ TBool iLastKnownLocationAllowed;
+
+ //! The current state this object has entered
+ TState iState;
+ };
+
+#endif // MNRP_POSITION_REQUEST_H_
+