localconnectivityservice/dun/server/src/DunCloseWait.cpp
changeset 29 3ae5cb0b4c02
child 54 4dc88a4ac6f4
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/localconnectivityservice/dun/server/src/DunCloseWait.cpp	Fri Jun 25 16:54:01 2010 +0800
@@ -0,0 +1,178 @@
+/*
+* Copyright (c) 2006-2007 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:  Common waiter for closing self-destruct plugins
+*
+*/
+
+#include "DunCloseWait.h"
+#include "DunDebug.h"
+
+// ---------------------------------------------------------------------------
+// Two-phased constructor.
+// ---------------------------------------------------------------------------
+//
+CDunCloseWait* CDunCloseWait::NewL( MDunCloseWait* aCallback )
+    {
+    CDunCloseWait* self = new (ELeave) CDunCloseWait( aCallback );
+    CleanupStack::PushL( self );
+    self->ConstructL();
+    CleanupStack::Pop( self );
+    return self;
+    }
+
+// ---------------------------------------------------------------------------
+// Destructor.
+// ---------------------------------------------------------------------------
+//
+CDunCloseWait::~CDunCloseWait()
+    {
+    FTRACE(FPrint( _L("CDunCloseWait::~CDunCloseWait()" )));
+    ResetData();
+    FTRACE(FPrint( _L("CDunCloseWait::~CDunCloseWait() complete" )));
+    }
+
+// ---------------------------------------------------------------------------
+// Resets data to initial values
+// ---------------------------------------------------------------------------
+//
+void CDunCloseWait::ResetData()
+    {
+    // IssueRequest()
+    Stop();
+    // AddPluginToClose()
+    iCloseList.Close();
+    // Internal
+    Initialize();
+    }
+
+// ---------------------------------------------------------------------------
+// Adds a new object to be destructed to the list
+// ---------------------------------------------------------------------------
+//
+TInt CDunCloseWait::AddPluginToClose( MDunLocalMediaPlugin* aPluginToClose )
+    {
+    FTRACE(FPrint( _L("CDunCloseWait::AddPluginToClose()" ) ));
+    if ( !aPluginToClose )
+        {
+        FTRACE(FPrint( _L("CDunCloseWait::AddPluginToClose() (ERROR) complete" ) ));
+        return KErrGeneral;
+        }
+    TInt retTemp = iCloseList.Find( aPluginToClose );
+    if ( retTemp != KErrNotFound )
+        {
+        FTRACE(FPrint( _L("CDunCloseWait::AddPluginToClose() (already exists) complete" ) ));
+        return KErrAlreadyExists;
+        }
+    retTemp = iCloseList.Append( aPluginToClose );
+    if ( retTemp != KErrNone )
+        {
+        FTRACE(FPrint( _L("CDunCloseWait::AddPluginToClose() (append failed!) complete" ) ));
+        return retTemp;
+        }
+    FTRACE(FPrint( _L("CDunCloseWait::AddPluginToClose() complete" ) ));
+    return KErrNone;
+    }
+
+// ---------------------------------------------------------------------------
+// Issues request to start closing the objects in the close list
+// ---------------------------------------------------------------------------
+//
+TInt CDunCloseWait::IssueRequest()
+    {
+    FTRACE(FPrint( _L("CDunCloseWait::IssueRequest()" )));
+    if ( IsActive() )
+        {
+        FTRACE(FPrint( _L("CDunCloseWait::IssueRequest() (not ready) complete" )));
+        return KErrNotReady;
+        }
+    iStatus = KRequestPending;
+    SetActive();
+    TRequestStatus* requestStatus = &iStatus;
+    User::RequestComplete( requestStatus, KErrNone );
+    FTRACE(FPrint( _L("CDunCloseWait::IssueRequest() complete" )));
+    return KErrNone;
+    }
+
+// ---------------------------------------------------------------------------
+// Stops closing the objects in the close list
+// ---------------------------------------------------------------------------
+//
+TInt CDunCloseWait::Stop()
+    {
+    FTRACE(FPrint( _L("CDunCloseWait::Stop()" )));
+    if ( !IsActive() )
+        {
+        FTRACE(FPrint( _L("CDunCloseWait::Stop() (not ready) complete" )));
+        return KErrNotReady;
+        }
+    Cancel();
+    FTRACE(FPrint( _L("CDunCloseWait::Stop() complete" )));
+    return KErrNone;
+    }
+
+// ---------------------------------------------------------------------------
+// CDunCloseWait::CDunCloseWait
+// ---------------------------------------------------------------------------
+//
+CDunCloseWait::CDunCloseWait( MDunCloseWait* aCallback ) :
+    CActive( EPriorityHigh ),
+    iCallback( aCallback )
+    {
+    }
+
+// ---------------------------------------------------------------------------
+// CDunCloseWait::ConstructL
+// ---------------------------------------------------------------------------
+//
+void CDunCloseWait::ConstructL()
+    {
+    FTRACE(FPrint( _L("CDunCloseWait::ConstructL()" ) ));
+    if ( !iCallback )
+        {
+        User::Leave( KErrGeneral );
+        }
+    CActiveScheduler::Add( this );
+    FTRACE(FPrint( _L("CDunCloseWait::ConstructL() complete" ) ));
+    }
+
+// ---------------------------------------------------------------------------
+// Initializes this class
+// ---------------------------------------------------------------------------
+//
+void CDunCloseWait::Initialize()
+    {
+    // Don't initialize iCallback here (it is set through NewL)
+    }
+
+// ---------------------------------------------------------------------------
+// From class CActive.
+// Gets called when closing of the plugins should be done
+// ---------------------------------------------------------------------------
+//
+void CDunCloseWait::RunL()
+    {
+    FTRACE(FPrint( _L("CDunCloseWait::RunL()" )));
+    iCallback->NotifyPluginCloseAfterWait( iCloseList );
+    iCloseList.Reset();
+    FTRACE(FPrint( _L("CDunCloseWait::RunL() complete" )));
+    }
+
+// ---------------------------------------------------------------------------
+// From class CActive.
+// Gets called on cancel
+// ---------------------------------------------------------------------------
+//
+void CDunCloseWait::DoCancel()
+    {
+    }