--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/usbuis/usbui/USBClassChangeUIPlugin/src/USBClassChangeUIPluginCRWatcher.cpp	Thu Dec 17 09:14:30 2009 +0200
@@ -0,0 +1,181 @@
+/*
+* Copyright (c) 2005, 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 implements USBClassChangeUIPluginCRWatcher class.
+*
+*/
+
+
+
+// INCLUDE FILES
+#include "USBClassChangeUIPluginCRWatcher.h"
+#include "UsbWatcherInternalCRKeys.h"
+#include "USBClassChangeUIPluginModel.h"
+#include "USBClassChangeUIPluginDebug.h"
+
+
+
+
+// ============================ MEMBER FUNCTIONS ===============================
+
+// -----------------------------------------------------------------------------
+// CUSBClassChangeUIPluginCRWatcher::NewL
+// Two-phased constructor.
+// -----------------------------------------------------------------------------
+//
+CUSBClassChangeUIPluginCRWatcher* CUSBClassChangeUIPluginCRWatcher::NewL(
+    MUSBUICRSettingObserver& aOwner, TUint32 aKey, TBool aOneShot)
+    {
+    FLOG(_L("[USBCLASSCHANGEUIPLUGIN]\tCUSBClassChangeUIPluginCRWatcher:NewL"));
+    CUSBClassChangeUIPluginCRWatcher* self 
+        = new (ELeave) CUSBClassChangeUIPluginCRWatcher(aOwner, aKey, aOneShot);
+    CleanupStack::PushL( self );
+    self->ConstructL();
+    CleanupStack::Pop( self ); 
+    return self;
+    }
+
+
+// -----------------------------------------------------------------------------
+// CUSBClassChangeUIPluginCRWatcher::~CUSBClassChangeUIPluginCRWatcher
+// C++ default destructor
+// -----------------------------------------------------------------------------
+//    
+CUSBClassChangeUIPluginCRWatcher::~CUSBClassChangeUIPluginCRWatcher()
+    {
+    FLOG(_L("[USBCLASSCHANGEUIPLUGIN]\tCUSBClassChangeUIPluginCRWatcher: desctructor"));
+    Cancel(); // cancels any existing active object orders for iStatus
+    delete iPersonalityRepository; // deletes CRepository* member object.
+    FLOG(_L("[USBCLASSCHANGEUIPLUGIN]\tCUSBClassChangeUIPluginCRWatcher: desctructor complete"));
+    }
+
+
+// -----------------------------------------------------------------------------
+// CUSBClassChangeUIPluginCRWatcher::CUSBClassChangeUIPluginCRWatcher
+// C++ default constructor can NOT contain any code, that
+// might leave.
+// -----------------------------------------------------------------------------
+//
+CUSBClassChangeUIPluginCRWatcher::CUSBClassChangeUIPluginCRWatcher(
+    MUSBUICRSettingObserver& aOwner, TUint32 aKey, TBool aOneShot)
+    : CActive(EPriorityStandard), 
+    iOwner(aOwner),
+    iKey(aKey),
+    iOneShot(aOneShot)
+    {
+    }
+
+
+
+// -----------------------------------------------------------------------------
+// CUSBClassChangeUIPluginCRWatcher::RunError
+// Standard active object error function.
+// -----------------------------------------------------------------------------
+//
+
+TInt CUSBClassChangeUIPluginCRWatcher::RunError(TInt /*aError*/)
+    {
+    FLOG(_L("[USBCLASSCHANGEUIPLUGIN]\tCUSBClassChangeUIPluginCRWatcher::RunError: ERROR %d \
+        from RunL.") );
+    return KErrNone;
+    }
+
+
+// -----------------------------------------------------------------------------
+// CUSBClassChangeUIPluginCRWatcher::RunL
+// This function will be called upon a change in the watched key.
+// -----------------------------------------------------------------------------
+//
+void CUSBClassChangeUIPluginCRWatcher::RunL()
+    {
+    FLOG(_L("[USBCLASSCHANGEUIPLUGIN]\tCUSBClassChangeUIPluginCRWatcher::RunL"));
+
+    iOwner.SettingChangedL( iKey );        
+    if (!iOneShot)
+        {
+        StartListeningL(); 
+        }
+
+    FLOG(_L("[USBCLASSCHANGEUIPLUGIN]\tCUSBClassChangeUIPluginCRWatcher::RunL complete."));
+    }
+
+
+// -----------------------------------------------------------------------------
+// CUSBClassChangeUIPluginCRWatcher::ConstructL
+// Construct member variable iPersonalityRepository that is to access the
+// repository. Then start listening of the changes in the repository.
+// -----------------------------------------------------------------------------
+//
+void CUSBClassChangeUIPluginCRWatcher::ConstructL()
+    {
+    FLOG(_L("[USBCLASSCHANGEUIPLUGIN]\tCUSBClassChangeUIPluginCRWatcher: ConstructL"));
+    CActiveScheduler::Add(this);
+
+    iPersonalityRepository = CRepository::NewL( KCRUidUsbWatcher );
+    
+    StartListeningL();
+    FLOG(_L("[USBCLASSCHANGEUIPLUGIN]\tCUSBClassChangeUIPluginCRWatcher: ConstructL complete"));        
+    }
+
+// -----------------------------------------------------------------------------
+// CUSBClassChangeUIPluginCRWatcher::StopListening
+// Cancels notifications.
+// -----------------------------------------------------------------------------
+//
+void CUSBClassChangeUIPluginCRWatcher::StopListening()
+    {
+    FLOG(_L("[USBCLASSCHANGEUIPLUGIN]\tCUSBClassChangeUIPluginCRWatcher: StopListening"));
+    Cancel();
+    FLOG(_L("[USBCLASSCHANGEUIPLUGIN]\tCUSBClassChangeUIPluginCRWatcher: StopListening complete"));
+    }
+
+// -----------------------------------------------------------------------------
+// CUSBClassChangeUIPluginCRWatcher::StartListeningL
+// Orders notifications and sets the object active.
+// -----------------------------------------------------------------------------
+//
+void CUSBClassChangeUIPluginCRWatcher::StartListeningL()
+    {
+    FLOG(_L("[USBCLASSCHANGEUIPLUGIN]\tCUSBClassChangeUIPluginCRWatcher: StartListeningL"));
+    if(IsActive())
+        {
+        return;   
+        }
+
+    User::LeaveIfError(iPersonalityRepository->NotifyRequest(
+        iKey, 
+        iStatus ) );
+    SetActive();
+    FLOG(_L("[USBCLASSCHANGEUIPLUGIN]\tCUSBClassChangeUIPluginCRWatcher: StartListening complete"));
+    }
+
+
+// -----------------------------------------------------------------------------
+// CUSBClassChangeUIPluginCRWatcher::DoCancel
+// Standard active object cancellation function.
+// -----------------------------------------------------------------------------
+//
+void CUSBClassChangeUIPluginCRWatcher::DoCancel()
+    {
+    FLOG(_L("[USBCLASSCHANGEUIPLUGIN]\tCUSBClassChangeUIPluginCRWatcher::DoCancel"));
+    
+    if ( iPersonalityRepository )
+        {
+        // cancel the order for change notifications
+        iPersonalityRepository->NotifyCancel( iKey );
+        }
+    FLOG(_L("[USBCLASSCHANGEUIPLUGIN]\tCUSBClassChangeUIPluginCRWatcher::DoCancel complete"));
+    }
+
+
+// End of file