bluetoothengine/bteng/btengsettings/inc/btengsettingsnotify.h
changeset 0 f63038272f30
child 19 43824b19ee35
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/bluetoothengine/bteng/btengsettings/inc/btengsettingsnotify.h	Mon Jan 18 20:28:57 2010 +0200
@@ -0,0 +1,150 @@
+/*
+* 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:  Helper class for handling change notifications of 
+*                PubSub properties and CenRep keys.
+*
+*/
+
+
+#ifndef BTENGSETTINGSNOTIFY_H
+#define BTENGSETTINGSNOTIFY_H
+
+
+#include "btengactive.h"
+#include "btengclient.h"
+
+class MBTEngSettingsObserver;
+class CRepository;
+
+/**
+ *  Class CBTEngSettingsNotify
+ *
+ *  ?more_complete_description
+ *
+ *  @lib btengsettings.lib
+ *  @since S60 v3.2
+ */
+NONSHARABLE_CLASS( CBTEngSettingsNotify ) : public CBase, 
+                                            public MBTEngActiveObserver
+    {
+
+public:
+
+    /**
+     * Two-phase constructor
+     *
+     * @since S60 v3.2
+     * @param aObserver Pointer to callback interface that receives notification
+     *                  that a setting has changed.
+     * @return Pointer to the constructed CBTEngSettingsNotify object.
+     */
+    static CBTEngSettingsNotify* NewL( MBTEngSettingsObserver* aObserver );
+
+    /**
+     * Destructor
+     */
+    virtual ~CBTEngSettingsNotify();
+
+    /**
+     * Toggles the Bluetooth power state (on or off). Power will be switched on 
+     * for the duriation of the session. It will also be turned off (gracefully, 
+     * if no permanent connection exists) if this object is destroyed.
+     * Note: power will only be switched off gracefully if it has also been 
+     * switched on through this method, otherwise KErrAccessDenied will be 
+     * returned.
+     *
+     * @since S60 v5.0
+     * @return KErrNone on success, otherwise a system wide error code.
+     */
+    TInt TogglePowerTemporarily();
+
+// from base class MBTEngActiveObserver
+
+    /**
+     * From MBTEngActiveObserver.
+     * Handle a setting change.
+     *
+     * @since S60 v3.2
+     * @param ?arg1 ?description
+     */
+    virtual void RequestCompletedL( CBTEngActive* aActive, TInt aId, 
+                                     TInt aStatus );
+
+    /**
+     * From MBTEngActiveObserver.
+     * Handle an error in the setting change handling.
+     *
+     * @since S60 v3.2
+     * @param ?arg1 ?description
+     */
+    virtual void HandleError( CBTEngActive* aActive, TInt aId, TInt aError );
+
+private:
+
+    /**
+     * C++ default constructor
+     *
+     * @since S60 v3.2
+     * @param aObserver Pointer to callback interface that receives notification
+     *                  that a setting has changed.
+     */
+    CBTEngSettingsNotify( MBTEngSettingsObserver* aObserver );
+
+    /**
+     * Symbian 2nd-phase constructor
+     *
+     * @since S60 v3.2
+     */
+    void ConstructL();
+
+private: // data
+
+    /**
+     * Active object for watching power mode setting changes.
+     * Own.
+     */
+    CBTEngActive* iPowerKeyWatcher;
+
+    /**
+     * Active object for watching visibility mode setting changes.
+     * Own.
+     */
+    CBTEngActive* iVisiKeyWatcher;
+
+    /**
+     * Session with the central repository for power mode setting.
+     * Own.
+     */
+    CRepository* iPowerKeyCenRep;
+
+    /**
+     * Session with the central repository for visibility mode setting.
+     * Own.
+     */
+    CRepository* iVisiKeyCenRep;
+
+    /**
+     * Client to notify of changes.
+     * Not own.
+     */
+    MBTEngSettingsObserver* iObserver;
+
+    /**
+     * Handle to BTEng server for turning Bluetooth on temporarily.
+     */
+    RBTEng iBTeng;
+    };
+
+
+#endif // BTENGSETTINGSNOTIFY_H