resourcemgmt/hwrmfmtxwatcherplugin/inc/hwrmfmtxtestobserver.h
changeset 0 4e1aa6a622a0
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/resourcemgmt/hwrmfmtxwatcherplugin/inc/hwrmfmtxtestobserver.h	Tue Feb 02 00:53:00 2010 +0200
@@ -0,0 +1,105 @@
+/*
+* Copyright (c) 2008 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:  Usb observer definition for fmtx watcher plugin.
+*
+*/
+
+
+#ifndef HWRMFMTXTESTOBSERVER_H
+#define HWRMFMTXTESTOBSERVER_H
+
+#include <e32property.h>
+#include "hwrmfmtxwatcherplugin.h"
+#include "hwrmfmtxconnobserver.h"
+
+/**
+* Active object for obtaining notification of changes in connections.
+*
+* @since S60 3.2
+* @lib hwrmfmtxwatcherplugin.lib
+*/
+NONSHARABLE_CLASS(CHWRMFmtxTestObserver) : public CActive, 
+                                           public MHWRMFmtxConnObserver
+    {
+public:
+
+    /**
+    * This is a two-phase constructor method that is used to create a new
+    * instance for listening to the changes.
+    *
+    * @param aObserver A reference to an observer instance.
+    * @return A pointer to a new instance of the CHWRMFmtxUsbObserver class.
+    *
+    * @leave One of the Symbian OS error codes.
+    */
+    static CHWRMFmtxTestObserver* NewL( MHWRMFmtxConnObserverCallback& aObserver );
+    
+    /**
+    * Destructor.
+    */
+    ~CHWRMFmtxTestObserver();
+    
+    // From MHWRMFmtxConnObserver
+    TBool GetStatusL();
+    void StartObservingL();
+    void StopObserving();
+
+private:
+
+    /**
+    * Constructor.
+    *
+    * @param aObserver A reference to an observer instance.
+    */
+    CHWRMFmtxTestObserver( MHWRMFmtxConnObserverCallback& aObserver );
+    
+    /**
+    * By default Symbian OS constructor is private.
+    */
+    void ConstructL();
+    
+    /**
+    * Orders notification.
+    */
+    void OrderNotification();
+
+protected:
+
+    // from CActive
+    void RunL();
+    void DoCancel();
+
+private:
+
+    /**
+    * Handle to test PubSub key.
+    */    
+    RProperty iTestPubSubKey;
+
+    /**
+    * Response callback pointer.
+    */    
+    MHWRMFmtxConnObserverCallback& iCallback;
+    
+    /**
+    * Stores USB connection status, ETrue if connected.
+    * Used for filtering out excess USB configuration change notifications.
+    */    
+    TBool iConnected;
+    };
+
+
+#endif      // HWRMFMTXTESTOBSERVER_H
+            
+// End of File