forked from amazingfate/loongoffice
103 lines
3.3 KiB
C++
103 lines
3.3 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/*
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* This file is part of the LibreOffice project.
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*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/.
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*
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* This file incorporates work covered by the following license notice:
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed
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* with this work for additional information regarding copyright
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* ownership. The ASF licenses this file to you under the Apache
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* License, Version 2.0 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.apache.org/licenses/LICENSE-2.0 .
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*/
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#ifndef INCLUDED_SD_SOURCE_UI_FRAMEWORK_MODULE_SHELLSTACKGUARD_HXX
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#define INCLUDED_SD_SOURCE_UI_FRAMEWORK_MODULE_SHELLSTACKGUARD_HXX
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#include <cppuhelper/basemutex.hxx>
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#include "framework/ConfigurationController.hxx"
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#include <com/sun/star/drawing/framework/XConfigurationChangeListener.hpp>
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#include <com/sun/star/drawing/framework/XConfigurationController.hpp>
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#include <com/sun/star/frame/XController.hpp>
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#include <vcl/timer.hxx>
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#include <cppuhelper/compbase1.hxx>
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#include <boost/scoped_ptr.hpp>
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namespace {
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typedef ::cppu::WeakComponentImplHelper1 <
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css::drawing::framework::XConfigurationChangeListener
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> ShellStackGuardInterfaceBase;
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} // end of anonymous namespace.
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namespace sd {
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class ViewShellBase;
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}
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namespace sd { namespace framework {
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/** This module locks updates of the current configuration in situations
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when the shell stack must not be modified.
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On every start of a configuration update the ShellStackGuard checks the
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printer. If it is printing the configuration update is locked. It then
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polls the printer and unlocks updates when printing finishes.
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When in the future there are no resources left that use shells then this
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module can be removed.
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*/
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class ShellStackGuard
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: private ::cppu::BaseMutex,
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public ShellStackGuardInterfaceBase
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{
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public:
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ShellStackGuard (css::uno::Reference<css::frame::XController>& rxController);
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virtual ~ShellStackGuard (void);
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virtual void SAL_CALL disposing (void) SAL_OVERRIDE;
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// XConfigurationChangeListener
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virtual void SAL_CALL notifyConfigurationChange (
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const css::drawing::framework::ConfigurationChangeEvent& rEvent)
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throw (css::uno::RuntimeException, std::exception) SAL_OVERRIDE;
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// XEventListener
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virtual void SAL_CALL disposing (const css::lang::EventObject& rEvent)
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throw (css::uno::RuntimeException, std::exception) SAL_OVERRIDE;
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private:
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css::uno::Reference<css::drawing::framework::XConfigurationController>
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mxConfigurationController;
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ViewShellBase* mpBase;
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::boost::scoped_ptr<ConfigurationController::Lock> mpUpdateLock;
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Timer maPrinterPollingTimer;
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DECL_LINK(TimeoutHandler, Timer*);
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/** Return <TRUE/> when the printer is printing. Return <FALSE/> when
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the printer is not printing, or there is no printer, or something
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else went wrong.
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*/
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bool IsPrinting (void) const;
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};
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} } // end of namespace sd::framework
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#endif
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/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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