bluetoothengine/bthid/common/src/bthidpskeywatcher.cpp
changeset 0 f63038272f30
child 16 b23265fb36da
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/bluetoothengine/bthid/common/src/bthidpskeywatcher.cpp	Mon Jan 18 20:28:57 2010 +0200
@@ -0,0 +1,130 @@
+/*
+* Copyright (c) 2004-2006 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: 
+*     
+*
+*/
+
+
+
+// INCLUDE FILES
+#include <e32property.h>
+#include "bthidpskeywatcher.h"
+#include "bthidPsKey.h"
+#include "debug.h"
+
+// ================= MEMBER FUNCTIONS =======================
+
+// ---------------------------------------------------------
+// CBTMouseCursorStatusObserver::CBTMouseCursorStatusObserver()
+//----------------------------------------------------------
+//
+CBTMouseCursorStatusObserver::CBTMouseCursorStatusObserver(): CActive(CActive::EPriorityStandard)
+    {                                
+    CActiveScheduler::Add( this );
+    }
+
+// ---------------------------------------------------------
+// CBTMouseCursorStatusObserver::NewL()
+//----------------------------------------------------------
+// 
+CBTMouseCursorStatusObserver* CBTMouseCursorStatusObserver::NewL() 
+    {
+    CBTMouseCursorStatusObserver* self = new(ELeave) CBTMouseCursorStatusObserver();
+    CleanupStack::PushL( self );
+    self->ConstructL();
+    CleanupStack::Pop();
+    return self;
+    }
+ 
+// ---------------------------------------------------------
+// CBTMouseCursorStatusObserver::ConstructL()
+//----------------------------------------------------------
+//   
+void CBTMouseCursorStatusObserver::ConstructL()
+    {
+    
+    User::LeaveIfError(iProperty.Attach( KPSUidBthidSrv, KBTMouseCursorState));
+    }
+
+// ---------------------------------------------------------
+// CBTMouseCursorStatusObserver::~CBTMouseCursorStatusObserver
+//----------------------------------------------------------
+//
+CBTMouseCursorStatusObserver::~CBTMouseCursorStatusObserver()
+    {
+    Cancel();
+    iProperty.Close();
+    }
+    
+// ---------------------------------------------------------
+// CBTMouseCursorStatusObserver::StartObservingL()
+//----------------------------------------------------------
+//
+void CBTMouseCursorStatusObserver::SubscribeMouseCursorStatusL(MMouseCursorStatusObserver* aObserver)
+    {    
+    
+    ASSERT(aObserver);
+    
+    iObserver = aObserver;
+    
+    iProperty.Subscribe(iStatus);
+    SetActive();
+    }
+    
+
+// ---------------------------------------------------------
+// CBTMouseCursorStatusObserver::DoCancel()
+// ---------------------------------------------------------
+//
+void CBTMouseCursorStatusObserver::DoCancel()
+    {       
+    iProperty.Cancel();
+    }
+
+// ---------------------------------------------------------
+// CBTMouseCursorStatusObserver::RunL()
+// ---------------------------------------------------------
+//
+void CBTMouseCursorStatusObserver::RunL()
+    {
+    
+    TInt btMouseCursorState = ECursorNotInitialized;
+    TInt err = iStatus.Int();
+    
+	if (err == KErrNotFound)
+		{
+		// someone deleted the P&S key - this is ok as we on error
+		// set the cursor to not initialized.
+		err = KErrNone;
+		}
+
+    iProperty.Subscribe(iStatus);
+    SetActive();
+    
+    if (err == KErrNone)
+        {
+        err = iProperty.Get(btMouseCursorState);
+        if (err == KErrNotFound)
+            {
+			// probably no longer present, so set to not initialized.
+			btMouseCursorState = ECursorNotInitialized;
+			err = KErrNone;
+			}
+		if(err == KErrNone)
+			{
+			iObserver->MouseCursorStatusChangedL(btMouseCursorState);
+			}
+        }
+    }