186 lines
4.9 KiB
C++
186 lines
4.9 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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#include "ShellStackGuard.hxx"
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#include "framework/ConfigurationController.hxx"
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#include "framework/FrameworkHelper.hxx"
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#include "DrawController.hxx"
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#include "ViewShellBase.hxx"
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#include <sfx2/printer.hxx>
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#include <com/sun/star/drawing/framework/XControllerManager.hpp>
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#include <com/sun/star/drawing/framework/XConfigurationController.hpp>
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using namespace ::com::sun::star;
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using namespace ::com::sun::star::uno;
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using namespace ::com::sun::star::drawing::framework;
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using ::rtl::OUString;
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using ::sd::framework::FrameworkHelper;
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namespace sd { namespace framework {
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//===== CenterViewFocusModule ====================================================
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ShellStackGuard::ShellStackGuard (Reference<frame::XController>& rxController)
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: ShellStackGuardInterfaceBase(m_aMutex),
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mxConfigurationController(),
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mpBase(NULL),
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mpUpdateLock(),
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maPrinterPollingTimer()
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{
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Reference<XControllerManager> xControllerManager (rxController, UNO_QUERY);
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if (xControllerManager.is())
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{
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mxConfigurationController = xControllerManager->getConfigurationController();
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// Tunnel through the controller to obtain a ViewShellBase.
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Reference<lang::XUnoTunnel> xTunnel (rxController, UNO_QUERY);
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if (xTunnel.is())
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{
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::sd::DrawController* pController = reinterpret_cast<sd::DrawController*>(
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xTunnel->getSomething(sd::DrawController::getUnoTunnelId()));
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if (pController != NULL)
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mpBase = pController->GetViewShellBase();
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}
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}
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if (mxConfigurationController.is())
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{
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// Listen for update starts so that the following update can be
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// prevented in case of a printing printer.
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mxConfigurationController->addConfigurationChangeListener(
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this,
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FrameworkHelper::msConfigurationUpdateStartEvent,
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Any());
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// Prepare the printer polling.
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maPrinterPollingTimer.SetTimeoutHdl(LINK(this,ShellStackGuard,TimeoutHandler));
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maPrinterPollingTimer.SetTimeout(300);
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}
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}
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ShellStackGuard::~ShellStackGuard (void)
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{
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}
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void SAL_CALL ShellStackGuard::disposing (void)
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{
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if (mxConfigurationController.is())
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mxConfigurationController->removeConfigurationChangeListener(this);
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mxConfigurationController = NULL;
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mpBase = NULL;
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}
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void SAL_CALL ShellStackGuard::notifyConfigurationChange (
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const ConfigurationChangeEvent& rEvent)
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throw (RuntimeException)
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{
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if (rEvent.Type.equals(FrameworkHelper::msConfigurationUpdateStartEvent))
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{
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if (mpUpdateLock.get() == NULL && IsPrinting())
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{
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// Prevent configuration updates while the printer is printing.
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mpUpdateLock.reset(new ConfigurationController::Lock(mxConfigurationController));
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// Start polling for the printer having finished printing.
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maPrinterPollingTimer.Start();
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}
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}
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}
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void SAL_CALL ShellStackGuard::disposing (
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const lang::EventObject& rEvent)
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throw (RuntimeException)
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{
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if (mxConfigurationController.is())
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if (rEvent.Source == mxConfigurationController)
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{
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mxConfigurationController = NULL;
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mpBase = NULL;
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}
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}
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IMPL_LINK(ShellStackGuard, TimeoutHandler, Timer*, pTimer)
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{
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#ifdef DEBUG
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OSL_ASSERT(pTimer==&maPrinterPollingTimer);
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#else
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(void)pTimer;
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#endif
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if (mpUpdateLock.get() != NULL)
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{
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if ( ! IsPrinting())
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{
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// Printing finished. Release the update lock.
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mpUpdateLock.reset();
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}
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else
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{
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// Wait long for the printing to finish.
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maPrinterPollingTimer.Start();
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}
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}
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return 0;
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}
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bool ShellStackGuard::IsPrinting (void) const
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{
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if (mpBase != NULL)
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{
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SfxPrinter* pPrinter = mpBase->GetPrinter();
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if (pPrinter != NULL
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&& pPrinter->IsPrinting())
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{
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return true;
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}
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}
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return false;
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}
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} } // end of namespace sd::framework
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/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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