/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
* This file is part of the LibreOffice project .
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License , v . 2 . 0 . If a copy of the MPL was not distributed with this
* file , You can obtain one at http : //mozilla.org/MPL/2.0/.
*
* This file incorporates work covered by the following license notice :
*
* Licensed to the Apache Software Foundation ( ASF ) under one or more
* contributor license agreements . See the NOTICE file distributed
* with this work for additional information regarding copyright
* ownership . The ASF licenses this file to you under the Apache
* License , Version 2 . 0 ( the " License " ) ; you may not use this file
* except in compliance with the License . You may obtain a copy of
* the License at http : //www.apache.org/licenses/LICENSE-2.0 .
*/
#include "ShellStackGuard.hxx"
#include <framework/ConfigurationController.hxx>
#include <framework/FrameworkHelper.hxx>
#include <DrawController.hxx>
#include <ViewShellBase.hxx>
#include <sfx2/printer.hxx>
#include <com/sun/star/drawing/framework/XControllerManager.hpp>
#include <comphelper/servicehelper.hxx>
using namespace ::com::sun::star;
using namespace ::com::sun::star::uno;
using namespace ::com::sun::star::drawing::framework;
using ::sd::framework::FrameworkHelper;
namespace sd::framework {
//===== CenterViewFocusModule ====================================================
ShellStackGuard::ShellStackGuard (rtl::Reference<sd::DrawController> const & rxController)
: mpBase(nullptr),
maPrinterPollingIdle("sd ShellStackGuard PrinterPollingIdle" )
{
if (rxController.is())
{
mxConfigurationController = rxController->getConfigurationController();
// Tunnel through the controller to obtain a ViewShellBase.
mpBase = rxController->GetViewShellBase();
}
if (mxConfigurationController.is())
{
// Listen for update starts so that the following update can be
// prevented in case of a printing printer.
mxConfigurationController->addConfigurationChangeListener(
this ,
FrameworkHelper::msConfigurationUpdateStartEvent,
Any());
// Prepare the printer polling.
maPrinterPollingIdle.SetInvokeHandler(LINK(this ,ShellStackGuard,TimeoutHandler));
}
}
ShellStackGuard::~ShellStackGuard()
{
}
void ShellStackGuard::disposing(std::unique_lock<std::mutex>&)
{
if (mxConfigurationController)
{
mxConfigurationController->removeConfigurationChangeListener(this );
mxConfigurationController = nullptr;
}
mpBase = nullptr;
}
void SAL_CALL ShellStackGuard::notifyConfigurationChange (
const ConfigurationChangeEvent& rEvent)
{
if (rEvent.Type == FrameworkHelper::msConfigurationUpdateStartEvent)
{
if (mpUpdateLock == nullptr && IsPrinting())
{
// Prevent configuration updates while the printer is printing.
mpUpdateLock.reset(new ConfigurationController::Lock(mxConfigurationController));
// Start polling for the printer having finished printing.
maPrinterPollingIdle.Start();
}
}
}
void SAL_CALL ShellStackGuard::disposing (
const lang::EventObject& rEvent)
{
if (mxConfigurationController.is())
if (rEvent.Source == mxConfigurationController)
{
mxConfigurationController = nullptr;
mpBase = nullptr;
}
}
IMPL_LINK(ShellStackGuard, TimeoutHandler, Timer*, pIdle, void )
{
#if OSL_DEBUG_LEVEL >= 2
OSL_ASSERT(pIdle==&maPrinterPollingIdle);
#else
(void )pIdle;
#endif
if (mpUpdateLock == nullptr)
return ;
if ( ! IsPrinting())
{
// Printing finished. Release the update lock.
mpUpdateLock.reset();
}
else
{
// Wait long for the printing to finish.
maPrinterPollingIdle.Start();
}
}
bool ShellStackGuard::IsPrinting() const
{
if (mpBase != nullptr)
{
SfxPrinter* pPrinter = mpBase->GetPrinter();
if (pPrinter != nullptr
&& pPrinter->IsPrinting())
{
return true ;
}
}
return false ;
}
} // end of namespace sd::framework
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
Messung V0.5 in Prozent C=90 H=100 G=95
¤ Dauer der Verarbeitung: 0.8 Sekunden
(vorverarbeitet am 2026-10-04)
¤
*© Formatika GbR, Deutschland