diff -r 000000000000 -r f63038272f30 bluetoothengine/bteng/btpsmplugin/inc/btengpsmplugin.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/bluetoothengine/bteng/btpsmplugin/inc/btengpsmplugin.h	Mon Jan 18 20:28:57 2010 +0200
@@ -0,0 +1,151 @@
+/*
+* 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:  Handle BT power state related to PSM mode
+*
+*/
+
+
+#ifndef BTPSMPLUGIN_H
+#define BTPSMPLUGIN_H
+
+#include <psmpluginbase.h>
+#include <btengsettings.h>
+
+
+/**
+ *  Plug-in of PowerSaveMode (PSM)
+ *  implements PSM plug-in and setting configuration API,
+ *  handles BT power state when entering and leaving PSM mode.
+ *
+ *  @since S60 v5.1
+ */
+class CBTPsmPlugin : public CPsmPluginBase, 
+					   public MBTEngSettingsObserver 
+    {
+	public:
+
+	    /**
+	     * Two-phased constructor.
+	     *
+	     * @param aInitParams Passed by the caller.
+	     */
+	    static CBTPsmPlugin* NewL(TPsmPluginCTorParams& aInitParams);
+	    
+	    /**
+	     * Destructor.
+	     */
+	    virtual ~CBTPsmPlugin();
+
+	    /**
+	     * From CPsmPluginBase
+	     *
+	     * Notifies plugin about the power save mode change. There is only one 
+	     * active plugin at a time in psmserver, meaning that when this plugin has done 
+	     * its mode change, next plugin has process time to complete its mode change. 
+	     * Because of this it is good not to make any heavy process during this mode change.
+	     *
+	     * @since S60 v5.1
+	     * @param aMode Mode to change to.
+		 */
+		void NotifyModeChange( const TInt aMode );
+	    
+	    /**
+	     * From MBTEngSettingsObserver
+	     * When BT PowerState is changed in PSM mode, write it into PSM data storage.
+	     * 
+	     * @since S60 v5.1
+	     * @param aState EBTPowerOff if the BT hardware has been turned off, 
+     	 *               EBTPowerOn if it has been turned off.
+		 */
+	    void PowerStateChanged( TBTPowerStateValue aState );
+	    
+	    /**
+	     * From MBTEngSettingsObserver
+	     * Power Saving Mode change does not affect Bluetooth visibility.
+	     *
+	     * @since S60 v5.1
+	     * @param aState EBTDiscModeHidden if the BT hardware is in hidden mode, 
+     	 *               EBTDiscModeGeneral if it is in visible mode.
+     	 */
+	    void VisibilityModeChanged( TBTVisibilityMode /*aState*/ );
+	    	     
+	private: 
+	    
+	    /**
+	     * Default C++ constructor
+	     *
+	     * @param aInitParams Passed by the caller.
+	     */
+	    CBTPsmPlugin(TPsmPluginCTorParams& aInitParams);
+	    
+	    /**
+	     * Symbian 2nd-phase constructor
+	     *
+	     * @since S60 v5.1
+	     */
+	    void ConstructL();
+	    
+	    /**
+	     * Leave function called by NotifyModeChange().
+	     *
+	     * @since S60 v5.1
+	     */
+	    void NotifyModeChangeL();
+	     
+	    /**
+	     * Handle whether and how to update the current BT Power state
+	     *
+	     * @since S60 v5.1
+	     */
+	    void HandlePowerStateL();
+	    
+	    /**
+	     * Get setting from PSM configuration file
+	     *
+	     * @since S60 v5.1
+	     * @return TBTPowerStateValue The power state stored in PSM configuration storage.
+	     */
+	    TBTPowerStateValue GetSettingsFromPsmStorageL();
+	     
+	    /**
+	     * Save configuration into PSM storage. Backup the setting before entering PSM 
+	     * or update the setting when the user changes BT PowerState in PSM mode
+	     *
+	     * @param aState The current BT power state.
+	     */
+        void SavePsmConfigurationL(TBTPowerStateValue aState);
+	    
+	private: // data
+
+	    /**
+	     * BTEng Settings class
+	     * Owned        
+	     */
+        CBTEngSettings*	iBtEngSettings;  
+	    
+	    /**
+	     * TPsmsrvMode type defination in psmtypes.h 
+	     */
+        TInt iMode; 
+	    
+	    /**
+	     * Flag if allow the change of power state to be written into PSM storage.
+	     * EFalse is the default value, when EBTPowerOn before PSM is activated.
+	     * ETrue when EBTPowerOff or active connections before PSM is activated, 
+	     *    or when PowerON becomes OFF after PSM is activated.
+	     */
+        TBool iAllowToConfig;
+    };
+
+#endif // BTPSMPLUGIN_H
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