wvuing/wvcommandutils/Src/CCAIdleWait.cpp
changeset 0 094583676ce7
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/wvuing/wvcommandutils/Src/CCAIdleWait.cpp	Thu Dec 17 08:41:52 2009 +0200
@@ -0,0 +1,118 @@
+/*
+* Copyright (c) 2002-2005 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:  Helper class for idle wait
+ *
+*/
+
+
+// INCLUDE FILES
+#include "CCAIdleWait.h"
+#include "ChatDefinitions.h"
+#include "ChatDebugPrint.h"
+
+// ================= MEMBER FUNCTIONS =======================
+
+// ---------------------------------------------------------
+// CCAIdleWait::IdleWaitL()
+// ---------------------------------------------------------
+//
+void CCAIdleWait::IdleWaitL( const TInt* aCallbackFlag /* = NULL */ )
+    {
+    CHAT_DP_FUNC_ENTER( "CCAIdleWait::IdleWaitL" );
+    CCAIdleWait* wait = new( ELeave )CCAIdleWait( aCallbackFlag );
+    CleanupStack::PushL( wait );
+    wait->DoIdleWaitL();
+    CleanupStack::PopAndDestroy( wait );
+    CHAT_DP_FUNC_ENTER( "CCAIdleWait::Done" );
+    }
+
+// ---------------------------------------------------------
+// Constructor
+// ---------------------------------------------------------
+//
+CCAIdleWait::CCAIdleWait( const TInt* aCallbackFlag )
+        : iCallbackFlag( aCallbackFlag )
+    {
+    }
+
+// ---------------------------------------------------------
+// Destructor
+// ---------------------------------------------------------
+//
+CCAIdleWait::~CCAIdleWait()
+    {
+    CHAT_DP_FUNC_ENTER( "CCAIdleWait::~CCAIdleWait" );
+    DoIdleStop();
+    delete iIdle;
+    CHAT_DP_FUNC_DONE( "CCAIdleWait::~CCAIdleWait" );
+    }
+
+// ---------------------------------------------------------
+// CCAIdleWait::DoIdleWaitL()
+// ---------------------------------------------------------
+//
+void CCAIdleWait::DoIdleWaitL()
+    {
+    CHAT_DP_FUNC_ENTER( "CCAIdleWait::DoIdleWaitL" );
+    // create the idle callback
+    iIdle = CIdle::NewL( CActive::EPriorityIdle );
+    iIdle->Start( TCallBack( Callback, this ) );
+
+    // and wait for completion
+    // not a active object hence codescanner warning can be ignored
+    if ( ! iWait.IsStarted() )
+        {
+        iWait.Start();  // CSI: 10 # iWait is not an active object
+        }
+    CHAT_DP_FUNC_DONE( "CCAIdleWait::DoIdleWaitL" );
+    }
+
+// ---------------------------------------------------------
+// CCAIdleWait::DoIdleStop()
+// ---------------------------------------------------------
+//
+void CCAIdleWait::DoIdleStop()
+    {
+    CHAT_DP_FUNC_ENTER( "CCAIdleWait::DoIdleStop" );
+    if ( iWait.IsStarted() )
+        {
+        iWait.AsyncStop();
+        }
+    CHAT_DP_FUNC_DONE( "CCAIdleWait::DoIdleStop" );
+    }
+
+// -----------------------------------------------------------------------------
+// CCAIdleWait::Callback
+// -----------------------------------------------------------------------------
+//
+TBool CCAIdleWait::Callback( TAny* aInstance )
+    {
+    CHAT_DP_FUNC_ENTER( "CCAIdleWait::Callback" );
+    CCAIdleWait* wait = static_cast<CCAIdleWait*>( aInstance );
+    // stop the waiting
+    const TInt* flag = wait->iCallbackFlag;
+    if ( flag )
+        {
+        if ( *flag )
+            {
+            // Continue waiting.
+            return ETrue;
+            }
+        }
+    wait->DoIdleStop();
+    CHAT_DP_FUNC_DONE( "CCAIdleWait::Callback" );
+    return EFalse;
+    }
+
+//  End of File