messagingappbase/smartmessaging/msgeditorutils/src/MsgAsyncItemSaver.cpp
changeset 0 72b543305e3a
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/messagingappbase/smartmessaging/msgeditorutils/src/MsgAsyncItemSaver.cpp	Thu Dec 17 08:44:11 2009 +0200
@@ -0,0 +1,122 @@
+/*
+* 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:  
+*     Base class for implementing asyncronous item saving.
+*
+*/
+
+
+
+// INCLUDE FILES
+
+#include "MsgAsyncItemSaver.h"          // Own header
+#include "MsgEditorUtils.pan"           // MsgEditorUtils panics
+#include <e32svr.h>
+
+// ================= MEMBER FUNCTIONS =======================
+
+EXPORT_C CMsgAsyncItemSaver::CMsgAsyncItemSaver() : 
+CActive( EPriorityStandard ) // superclass constructor
+    {
+    }
+
+EXPORT_C CMsgAsyncItemSaver::~CMsgAsyncItemSaver()
+    {
+    Cancel();
+    }
+
+EXPORT_C void CMsgAsyncItemSaver::StartOperation(
+    MMsgAsyncItemSaver* aItemSaver )
+    {
+    __ASSERT_DEBUG( aItemSaver, Panic( EMEUAsynItemSaverNULL ) );
+    iItemSaver = aItemSaver;
+	if (!IsAdded())
+		{
+	    CActiveScheduler::Add( this );
+		}
+    NextStep();
+    }
+
+EXPORT_C void CMsgAsyncItemSaver::Pause( TInt aMicroSeconds )
+    {
+    __ASSERT_DEBUG( iItemSaver, Panic( EMEUAsynItemSaverNULL ) );
+	iPaused = ETrue;
+	iPauseDelay = aMicroSeconds;
+    }
+
+EXPORT_C void CMsgAsyncItemSaver::Continue()
+    {
+    __ASSERT_DEBUG( iItemSaver, Panic( EMEUAsynItemSaverNULL ) );
+	if ( iPaused )
+		{
+		iPaused = EFalse;
+		NextStep();
+		}
+    }
+
+void CMsgAsyncItemSaver::RunL()
+    {
+    __ASSERT_DEBUG( iItemSaver, Panic( EMEUAsynItemSaverNULL ) );
+	if ( iPaused )
+		{
+		iTimer.Close();
+		iPaused = EFalse;
+		}
+
+	if ( !iItemSaver->IsComplete() )
+        {
+        iItemSaver->ContinueOperationL();
+        NextStep();
+        }
+    else
+        {
+        iItemSaver->CompleteOperationL();
+        }
+    }
+
+void CMsgAsyncItemSaver::DoCancel()
+    {
+    // Nothing to cancel
+    }
+
+TInt CMsgAsyncItemSaver::RunError(TInt aError)
+    {
+    TInt error = iItemSaver->HandleError( aError );
+    if ( error == KErrNone )
+        {
+        aError = error;
+        NextStep();
+        }
+    return aError;
+    }
+
+void CMsgAsyncItemSaver::NextStep()
+    {
+	if ( iPaused )
+		{
+		TInt err = iTimer.CreateLocal(); // created for this thread
+		if ( err == KErrNone )
+			{
+			iTimer.After( iStatus, iPauseDelay );
+			}
+		}
+	else
+		{
+		TRequestStatus* sp = &iStatus;
+		User::RequestComplete(sp, KErrNone);
+		}
+	SetActive();
+    }
+
+//  End of File