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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 09:06:44 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 09:06:44 +0000 |
commit | ed5640d8b587fbcfed7dd7967f3de04b37a76f26 (patch) | |
tree | 7a5f7c6c9d02226d7471cb3cc8fbbf631b415303 /sd/source/ui/framework/module/ShellStackGuard.cxx | |
parent | Initial commit. (diff) | |
download | libreoffice-ed5640d8b587fbcfed7dd7967f3de04b37a76f26.tar.xz libreoffice-ed5640d8b587fbcfed7dd7967f3de04b37a76f26.zip |
Adding upstream version 4:7.4.7.upstream/4%7.4.7upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'sd/source/ui/framework/module/ShellStackGuard.cxx')
-rw-r--r-- | sd/source/ui/framework/module/ShellStackGuard.cxx | 150 |
1 files changed, 150 insertions, 0 deletions
diff --git a/sd/source/ui/framework/module/ShellStackGuard.cxx b/sd/source/ui/framework/module/ShellStackGuard.cxx new file mode 100644 index 000000000..83d73b055 --- /dev/null +++ b/sd/source/ui/framework/module/ShellStackGuard.cxx @@ -0,0 +1,150 @@ +/* -*- 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 (Reference<frame::XController> const & rxController) + : mpBase(nullptr), + maPrinterPollingIdle("sd ShellStackGuard PrinterPollingIdle") +{ + Reference<XControllerManager> xControllerManager (rxController, UNO_QUERY); + if (xControllerManager.is()) + { + mxConfigurationController = xControllerManager->getConfigurationController(); + + // Tunnel through the controller to obtain a ViewShellBase. + auto pController = comphelper::getFromUnoTunnel<sd::DrawController>(rxController); + if (pController != nullptr) + mpBase = pController->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) +{ +#ifdef DEBUG + 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: */ |