125 lines
3.7 KiB
C++
125 lines
3.7 KiB
C++
/*************************************************************************
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*
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* OpenOffice.org - a multi-platform office productivity suite
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*
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* $RCSfile: ShellStackGuard.hxx,v $
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*
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* $Revision: 1.2 $
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*
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* last change: $Author: vg $ $Date: 2008-01-29 08:20:09 $
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*
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* The Contents of this file are made available subject to
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* the terms of GNU Lesser General Public License Version 2.1.
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*
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*
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* GNU Lesser General Public License Version 2.1
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* =============================================
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* Copyright 2005 by Sun Microsystems, Inc.
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* 901 San Antonio Road, Palo Alto, CA 94303, USA
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License version 2.1, as published by the Free Software Foundation.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
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* MA 02111-1307 USA
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*
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************************************************************************/
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#ifndef SD_FRAMEWORK_SHELL_STACK_GUARD_HXX
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#define SD_FRAMEWORK_SHELL_STACK_GUARD_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 css = ::com::sun::star;
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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);
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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);
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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);
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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 someting
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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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