bluetoothengine/btui/Ecom/src/BTUIRegistryWatcher.cpp
branchRCL_3
changeset 56 9386f31cc85b
parent 0 f63038272f30
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/bluetoothengine/btui/Ecom/src/BTUIRegistryWatcher.cpp	Wed Sep 01 12:20:04 2010 +0100
@@ -0,0 +1,138 @@
+/*
+* Copyright (c) 2002 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:  Declares Registry watcher class for BTUI.
+*
+*/
+
+
+// INCLUDE FILES
+
+#include "BTUI.h"
+#include "BTUIRegistryWatcher.h"
+#include <bt_subscribe.h>
+
+#include "BTDevModel.h"  //for Log printing Macro
+
+// ================= MEMBER FUNCTIONS =======================
+
+// ---------------------------------------------------------
+// CBTUIRegistryWatcherAO::CBTUIRegistryWatcherAO
+// C++ default constructor can NOT contain any code, that
+// might leave.
+// ---------------------------------------------------------
+//
+CBTUIRegistryWatcherAO::CBTUIRegistryWatcherAO( MBTUIRegistryObserver* aParent )
+    : CActive(EPriorityNormal), iParent ( aParent )
+    {
+    TRACE_FUNC_ENTRY
+
+    CActiveScheduler::Add(this);
+
+    TRACE_FUNC_EXIT
+    }
+
+// ---------------------------------------------------------
+// Destructor.
+// ---------------------------------------------------------
+//
+CBTUIRegistryWatcherAO::~CBTUIRegistryWatcherAO()
+    {
+    TRACE_FUNC_ENTRY
+
+    Cancel();
+    iProperty.Close();
+
+    TRACE_FUNC_EXIT
+    }
+
+// ---------------------------------------------------------
+// CBTUIRegistryWatcherAO::WatchL
+// ---------------------------------------------------------
+//
+void CBTUIRegistryWatcherAO::WatchL()
+    {
+    TRACE_FUNC_ENTRY
+
+    if( !iProperty.Handle() )
+        {
+		User::LeaveIfError( iProperty.Attach( KPropertyUidBluetoothCategory,
+                                              KPropertyKeyBluetoothRegistryTableChange ) );
+        }
+
+    if( !IsActive() )
+        {
+        iProperty.Subscribe(iStatus);
+        SetActive();    
+        }
+    TRACE_FUNC_EXIT
+    }
+
+// ---------------------------------------------------------
+// CBTUIRegistryWatcherAO::DoCancel
+// ---------------------------------------------------------
+//
+void CBTUIRegistryWatcherAO::DoCancel()
+    {
+    TRACE_FUNC
+
+    iProperty.Cancel();
+    }
+
+// ---------------------------------------------------------
+// CBTUIRegistryWatcherAO::RunL
+// ---------------------------------------------------------
+//
+void CBTUIRegistryWatcherAO::RunL()
+    {
+    TRACE_FUNC_ENTRY
+
+    if( iStatus.Int()==KErrNone )
+        {
+        __ASSERT_DEBUG(iParent, PANIC(EBTPanicClassMemberVariableIsNull));
+
+        // Inform observer
+        //
+        iParent->RegistryContentChangedL();
+        
+        // Continue watching
+        //
+        WatchL();
+        }
+
+    TRACE_FUNC_EXIT
+    }
+
+// ---------------------------------------------------------
+// CBTUIRegistryWatcherAO::RunError
+// ---------------------------------------------------------
+//
+TInt CBTUIRegistryWatcherAO::RunError( TInt aError )
+    {
+    TRACE_INFO((_L("RunError: %d"), aError))
+
+    return aError;
+    }
+
+// ---------------------------------------------------------
+// CBTUIRegistryWatcherAO::StopWatching
+// ---------------------------------------------------------
+//
+void CBTUIRegistryWatcherAO::StopWatching()
+    {
+    TRACE_FUNC
+
+    Cancel();
+    }
+
+// End of File