/* -*- 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 .
*/
#pragma once
#include <framework/ConfigurationController.hxx>
#include <com/sun/star/drawing/framework/XConfigurationChangeListener.hpp>
#include <rtl/ref.hxx>
#include <vcl/idle.hxx>
#include <comphelper/compbase.hxx>
#include <memory>
namespace com::sun::star::drawing::framework
{
class XConfigurationController;
}
namespace sd
{
class DrawController;
class ViewShellBase;
}
namespace sd::framework
{
typedef comphelper::WeakComponentImplHelper<css::drawing::framework::XConfigurationChangeListener>
ShellStackGuardInterfaceBase;
/** This module locks updates of the current configuration in situations
when the shell stack must not be modified .
On every start of a configuration update the ShellStackGuard checks the
printer . If it is printing the configuration update is locked . It then
polls the printer and unlocks updates when printing finishes .
When in the future there are no resources left that use shells then this
module can be removed .
*/
class ShellStackGuard : public ShellStackGuardInterfaceBase
{
public :
explicit ShellStackGuard(rtl::Reference<sd::DrawController> const & rxController);
virtual ~ShellStackGuard() override;
virtual void disposing(std::unique_lock<std::mutex>&) override;
// XConfigurationChangeListener
virtual void SAL_CALL notifyConfigurationChange(
const css::drawing::framework::ConfigurationChangeEvent& rEvent) override;
// XEventListener
virtual void SAL_CALL disposing(const css::lang::EventObject& rEvent) override;
private :
css::uno::Reference<css::drawing::framework::XConfigurationController>
mxConfigurationController;
ViewShellBase* mpBase;
std::unique_ptr<ConfigurationController::Lock> mpUpdateLock;
Idle maPrinterPollingIdle;
DECL_LINK(TimeoutHandler, Timer*, void );
/** Return <TRUE/> when the printer is printing. Return <FALSE/> when
the printer is not printing , or there is no printer , or something
else went wrong .
*/
bool IsPrinting() const ;
};
} // 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: 0.11 Sekunden
(vorverarbeitet am 2026-10-04)
¤
*© Formatika GbR, Deutschland