diff -r 000000000000 -r 8466d47a6819 emailuis/emailui/src/ceuiexitguardian.cpp --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/emailuis/emailui/src/ceuiexitguardian.cpp Thu Dec 17 08:39:21 2009 +0200 @@ -0,0 +1,152 @@ +/* +* Copyright (c) 2007-2008 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: FreestyleEmailUi exit guardian implementation. +* +*/ + +#include "FreestyleEmailUiAppui.h" +#include "ceuiexitguardian.h" +#include "emailtrace.h" + +// --------------------------------------------------------------------------- +// CEUiExitGuardian::NewL +// +// --------------------------------------------------------------------------- +// +CEUiExitGuardian* CEUiExitGuardian::NewL( CFreestyleEmailUiAppUi& aAppUi ) + { + FUNC_LOG; + + CEUiExitGuardian* self = new (ELeave) CEUiExitGuardian(aAppUi); + CleanupStack::PushL(self); + self->ConstructL(); + CleanupStack::Pop(self); + return self; + } + +// --------------------------------------------------------------------------- +// CEUiExitGuardian::CEUiExitGuardian +// +// --------------------------------------------------------------------------- +// +CEUiExitGuardian::CEUiExitGuardian( CFreestyleEmailUiAppUi& aAppUi ) + : iAppUi(aAppUi) + { + FUNC_LOG; + } + +// --------------------------------------------------------------------------- +// CEUiExitGuardian::~CEUiExitGuardian +// +// --------------------------------------------------------------------------- +// +CEUiExitGuardian::~CEUiExitGuardian() + { + FUNC_LOG; + + delete iIdle; + } + +// --------------------------------------------------------------------------- +// CEUiExitGuardian::ConstructL +// +// --------------------------------------------------------------------------- +// +void CEUiExitGuardian::ConstructL() + { + FUNC_LOG; + + iIdle = CIdle::NewL(CActive::EPriorityStandard); + } + +// --------------------------------------------------------------------------- +// CEUiExitGuardian::EnterLC +// +// --------------------------------------------------------------------------- +// +void CEUiExitGuardian::EnterLC() + { + FUNC_LOG; + + if (iExitPending) + { + User::Leave(KErrNotReady); + } + iEnterCount++; + CleanupStack::PushL(TCleanupItem(Exit, this)); + } + +// --------------------------------------------------------------------------- +// CEUiExitGuardian::Exit +// +// --------------------------------------------------------------------------- +// +void CEUiExitGuardian::Exit(TAny* aPtr) + { + FUNC_LOG; + + reinterpret_cast(aPtr)->DoExit(); + } + +// --------------------------------------------------------------------------- +// CEUiExitGuardian::DoExit +// +// --------------------------------------------------------------------------- +// +void CEUiExitGuardian::DoExit() + { + FUNC_LOG; + + iEnterCount--; + if (iExitPending && !iEnterCount && !iIdle->IsActive()) + { + // Start async exit processing to rewind recursion before the actual + // exit + iIdle->Start( TCallBack( IdleCallBack, this ) ); + } + } + +// --------------------------------------------------------------------------- +// CEUiExitGuardian::IdleCallBack +// +// --------------------------------------------------------------------------- +// +TInt CEUiExitGuardian::IdleCallBack( TAny* aPtr ) + { + FUNC_LOG; + + reinterpret_cast( aPtr )->iAppUi.ExitNow(); + return KErrNone; + } + +// --------------------------------------------------------------------------- +// CEUiExitGuardian::ExitApplication +// +// --------------------------------------------------------------------------- +// +TInt CEUiExitGuardian::ExitApplication() + { + FUNC_LOG; + + TInt result( KRequestPending ); + iExitPending = ETrue; + if (!iEnterCount) + { + result = KErrNone; + iAppUi.ExitNow(); + } + return result; + } + +// end of file