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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-15 05:54:39 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-15 05:54:39 +0000 |
commit | 267c6f2ac71f92999e969232431ba04678e7437e (patch) | |
tree | 358c9467650e1d0a1d7227a21dac2e3d08b622b2 /sd/source/ui/framework/module/ShellStackGuard.hxx | |
parent | Initial commit. (diff) | |
download | libreoffice-267c6f2ac71f92999e969232431ba04678e7437e.tar.xz libreoffice-267c6f2ac71f92999e969232431ba04678e7437e.zip |
Adding upstream version 4:24.2.0.upstream/4%24.2.0
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'sd/source/ui/framework/module/ShellStackGuard.hxx')
-rw-r--r-- | sd/source/ui/framework/module/ShellStackGuard.hxx | 96 |
1 files changed, 96 insertions, 0 deletions
diff --git a/sd/source/ui/framework/module/ShellStackGuard.hxx b/sd/source/ui/framework/module/ShellStackGuard.hxx new file mode 100644 index 0000000000..fe94037816 --- /dev/null +++ b/sd/source/ui/framework/module/ShellStackGuard.hxx @@ -0,0 +1,96 @@ +/* -*- 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 com::sun::star::frame +{ +class XController; +} + +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: */ |