locationlandmarksrefappfors60/Src/LandmarksDbEventHandler.cpp
branchRCL_3
changeset 18 870918037e16
parent 0 522cd55cc3d7
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/locationlandmarksrefappfors60/Src/LandmarksDbEventHandler.cpp	Wed Sep 01 12:31:27 2010 +0100
@@ -0,0 +1,96 @@
+/*
+* Copyright (c) 2004-2005 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:  Implements the class CLandmarksDbEventHandler
+*
+*/
+
+
+
+#include <EPos_CPosLandmarkDatabase.h>
+
+#include "LandmarksDbEventHandler.h"
+
+// ============================ MEMBER FUNCTIONS ===============================
+
+// -----------------------------------------------------------------------------
+// -----------------------------------------------------------------------------
+//
+CLandmarksDbEventHandler::CLandmarksDbEventHandler(
+    CPosLandmarkDatabase& aDb)
+: CActive(CActive::EPriorityStandard), iDb(aDb)
+    {
+    CActiveScheduler::Add(this);
+    ObserveEvents();
+    }
+
+// -----------------------------------------------------------------------------
+// -----------------------------------------------------------------------------
+//
+CLandmarksDbEventHandler::~CLandmarksDbEventHandler()
+    {
+    Cancel();
+    iDbObservers.Close();
+    }
+
+// -----------------------------------------------------------------------------
+// -----------------------------------------------------------------------------
+//
+void CLandmarksDbEventHandler::AddObserverL(
+    MLandmarksDbObserver* aObserver)
+    {
+    User::LeaveIfError(iDbObservers.Append(aObserver));
+    }
+
+// -----------------------------------------------------------------------------
+// -----------------------------------------------------------------------------
+//
+void CLandmarksDbEventHandler::RunL()
+    {
+    for (TInt i = 0; i < iDbObservers.Count(); i++)
+        {
+        // All observers must be notified. We cannot allow the observers to 
+        // leave.
+        TInt err;
+        TRAP(err, iDbObservers[i]->NotifyDbEventL(iEvent, iStatus.Int()));
+        }
+    ObserveEvents();
+    }
+
+// -----------------------------------------------------------------------------
+// -----------------------------------------------------------------------------
+//
+void CLandmarksDbEventHandler::DoCancel()
+    {
+    iDb.CancelNotifyDatabaseEvent();
+    }
+
+// -----------------------------------------------------------------------------
+// -----------------------------------------------------------------------------
+//
+TInt CLandmarksDbEventHandler::RunError(TInt /*aError*/)
+    {
+    return KErrNone;
+    }
+
+// -----------------------------------------------------------------------------
+// -----------------------------------------------------------------------------
+//
+void CLandmarksDbEventHandler::ObserveEvents()
+    {
+    iStatus = KRequestPending;
+    iDb.NotifyDatabaseEvent(iEvent, iStatus);
+    SetActive();
+    }
+
+