datasourcemodules/bluetoothgpspositioningmodule/btgpspsy/inc/Utils/BTGPSPowerManager.h
changeset 36 b47902b73a93
parent 0 9cfd9a3ee49c
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/datasourcemodules/bluetoothgpspositioningmodule/btgpspsy/inc/Utils/BTGPSPowerManager.h	Fri Jun 04 10:34:15 2010 +0100
@@ -0,0 +1,142 @@
+/*
+* Copyright (c) 2005-2009 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 BTGPSPOWERMANAGER_H
+#define BTGPSPOWERMANAGER_H
+
+//  INCLUDES
+
+#include <e32base.h>
+#include "BTGPSPsyConnectionListener.h"
+#include "BTGPSDeviceListener.h"
+
+// CONSTANTS
+
+// MACROS
+
+// DATA TYPES
+
+// FUNCTION PROTOTYPES
+
+// FORWARD DECLARATIONS
+class CBTGPSConnectManager;
+class CBTGPSPsyConnectionManager;
+class CBTGPSDeviceManager;
+class CBTGPSConstantsManager;
+
+// CLASS DECLARATION
+
+/**
+*  This class manages power related features. It shurts down BT connection
+*  when there is not location request received within pre-defined timeout
+*  value.
+*  
+*/
+class CBTGPSPowerManager: 
+        public CBase, 
+        private MBTGPSPsyConnectionListener,
+        private MBTGPSDeviceListener
+    {
+    public: 
+
+        /**
+        * Two-phase construction.
+        * @param aConnectManager Reference to connect manager
+        * @param aPsyConnectionManager Reference to connection manager
+        * @param aDeviceManager Reference to device manager.
+        * @param aConstantsManager Reference to contants manager.
+        */
+        static CBTGPSPowerManager * NewL(
+            CBTGPSConnectManager& aConnectManager,
+            CBTGPSPsyConnectionManager& aPsyConnectionManager,
+            CBTGPSDeviceManager& aDeviceManager,
+            CBTGPSConstantsManager& aConstantsManager);
+
+        /**
+        * Destructor
+        */
+        virtual ~CBTGPSPowerManager();
+
+    private:
+    
+        /**
+        * From MBTGPSPsyConnectionListener
+        */
+        virtual void HandlePsyConnectionChange();
+        
+        /**
+        * From MBTGPSDeviceListener
+        */
+        virtual void BTDeviceStatusChanged(
+            TInt aConnectStatus, 
+            TInt aDeviceType,
+            TInt aErr=KErrNone);
+        
+
+    private:
+
+        /**
+        * Second phase of the construction
+        */
+        void ConstructL();
+
+        /**
+        * Private constructor
+        */
+        CBTGPSPowerManager(
+            CBTGPSConnectManager& aConnectManager,
+            CBTGPSPsyConnectionManager& aPsyConnectionManager,
+            CBTGPSDeviceManager& aDeviceManager,
+            CBTGPSConstantsManager& aConstantsManager);
+        
+        /**
+        * Start or cancel timer if necessary.
+        */
+        void CheckTimer();    
+        
+        /**
+        * Timer callback function
+        */
+        void TimerTick();
+        
+        /**
+        * Static timer callback function
+        */
+        static TInt TimerCallback(TAny* aAny);
+        
+    private:
+        //Connect manager
+        CBTGPSConnectManager& iConnectManager;
+        
+        //Psy connection manager
+        CBTGPSPsyConnectionManager& iPsyConnectionManager;
+        
+        //Device manager
+        CBTGPSDeviceManager& iDeviceManager;
+        
+        //Constants manager
+        CBTGPSConstantsManager& iConstantsManager;
+        
+        //Timer
+        CPeriodic* iTimer;
+    };
+#endif
+// End of File
+