bluetoothengine/bteng/btbearer/inc/btpluginnotifier.h
changeset 0 f63038272f30
child 19 43824b19ee35
child 55 613943a21004
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/bluetoothengine/bteng/btbearer/inc/btpluginnotifier.h	Mon Jan 18 20:28:57 2010 +0200
@@ -0,0 +1,151 @@
+/*
+* 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:  This is the BT bearer plugin  notifier header file.
+*
+*/
+
+
+#ifndef __BTPLUGINNOTIFIER_H__
+#define __BTPLUGINNOTIFIER_H__
+
+
+#include <e32base.h>
+#include <btserversdkcrkeys.h>
+#include <locodbearerpluginparams.h>      
+#include <centralrepository.h>      
+#include <locodbearer.h>
+
+
+/**
+ *  BT Plug in module for local connectivity daemon.
+ *
+ *  This active object checks BT state from central repository and start 
+ *  watching BT ON/OFF state. If BT is ON, it connects to BTEngine server.
+ *  It  continues to watch the key and when it has changed, it notifies 
+ *  the daemon through its callback function.
+ *
+ *  @lib btbearer.lib
+ *  @since S60 v3.2
+ */
+NONSHARABLE_CLASS( CBTPluginNotifier ) : public CActive
+    {
+
+public:
+
+    /**  Enumeration of CenRep key types */
+    enum TCenRepKeyType
+        {
+        EKeyInt,
+        EKeyReal,
+        EKeyBinary,
+        EKeyString
+        };
+        
+    /**
+     * Two-phase constructor
+     *
+     * @param aObserver Reference to the callback class.
+     * @param aUid The UID that identifies the repository.
+     * @param aKeyType Key type.
+     * @param aId The ID of the key.
+     * @return CBTPluginNotifier Initialized object.
+     */
+	static CBTPluginNotifier* NewL( MLocodBearerPluginObserver& aObserver, 
+	                                TUid aUid, TCenRepKeyType aKeyType, 
+	                                TUint32 aId );
+
+    /**
+     * Destructor
+     */
+	virtual ~CBTPluginNotifier();
+
+private:
+
+    /**
+     * C++ default constructor
+     */
+    CBTPluginNotifier( MLocodBearerPluginObserver& Param, TUid aUid, 
+	                   TCenRepKeyType aKeyType, TUint32 aId );
+
+    /**
+     * Symbian 2nd-phase constructor
+     */
+    void ConstructL();
+
+    /**
+     * Subscribes to the change of central repository keys
+     *
+     * @since S60 v3.2
+     */
+    void SubscribeL();
+
+// from base class CActive
+
+    /**
+     * From CActive.
+     * Called by the active scheduler when our subscription 
+     * to the setting has been cancelled.
+     *
+     * @since S60 v3.2
+     */
+    void DoCancel();
+
+    /**
+     * From CActive.
+     * Called by the active scheduler when the status has changed.
+     *
+     * @since S60 v3.2
+     */
+    void RunL();
+    
+    /**
+     * From CActive
+     * Called by the active scheduler when RunL() leaves, aError contains the leave code.
+     * 
+     * @since S60 5.0
+     */
+    int RunError(TInt aError);
+    
+private: // data
+
+    /**
+     * The UID that identifies the setting category.
+     */
+    TUid iUid;
+
+    /**
+     * ID for BT power state in the central repository
+     */
+    TUint32 iId;
+
+    /**
+     * Central repository key type
+     */
+    TCenRepKeyType iKeyType;
+
+    /**
+     * Reference to the observer.
+     */
+    MLocodBearerPluginObserver& iHandler;
+
+    /**
+     * Session with the central repository.
+     * Own.
+     */
+    CRepository* iSession;
+
+    };
+
+
+#endif  // __BTPLUGINNOTIFIER_H__