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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/configuration/ConfigurationControllerBroadcaster.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/configuration/ConfigurationControllerBroadcaster.cxx')
-rw-r--r-- | sd/source/ui/framework/configuration/ConfigurationControllerBroadcaster.cxx | 192 |
1 files changed, 192 insertions, 0 deletions
diff --git a/sd/source/ui/framework/configuration/ConfigurationControllerBroadcaster.cxx b/sd/source/ui/framework/configuration/ConfigurationControllerBroadcaster.cxx new file mode 100644 index 000000000..5d9f22255 --- /dev/null +++ b/sd/source/ui/framework/configuration/ConfigurationControllerBroadcaster.cxx @@ -0,0 +1,192 @@ +/* -*- 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 "ConfigurationControllerBroadcaster.hxx" +#include <com/sun/star/drawing/framework/XConfigurationChangeListener.hpp> +#include <com/sun/star/drawing/framework/XConfigurationController.hpp> +#include <com/sun/star/drawing/framework/XResource.hpp> +#include <com/sun/star/lang/IllegalArgumentException.hpp> +#include <com/sun/star/lang/DisposedException.hpp> +#include <tools/diagnose_ex.h> + +using namespace ::com::sun::star; +using namespace ::com::sun::star::uno; +using namespace ::com::sun::star::drawing::framework; + +namespace sd::framework { + +ConfigurationControllerBroadcaster::ConfigurationControllerBroadcaster ( + const Reference<XConfigurationController>& rxController) + : mxConfigurationController(rxController) +{ +} + +void ConfigurationControllerBroadcaster::AddListener( + const Reference<XConfigurationChangeListener>& rxListener, + const OUString& rsEventType, + const Any& rUserData) +{ + if ( ! rxListener.is()) + throw lang::IllegalArgumentException("invalid listener", + mxConfigurationController, + 0); + + maListenerMap.try_emplace(rsEventType); + + ListenerDescriptor aDescriptor; + aDescriptor.mxListener = rxListener; + aDescriptor.maUserData = rUserData; + maListenerMap[rsEventType].push_back(aDescriptor); +} + +void ConfigurationControllerBroadcaster::RemoveListener( + const Reference<XConfigurationChangeListener>& rxListener) +{ + if ( ! rxListener.is()) + throw lang::IllegalArgumentException("invalid listener", + mxConfigurationController, + 0); + + ListenerList::iterator iList; + for (auto& rMap : maListenerMap) + { + iList = std::find_if(rMap.second.begin(), rMap.second.end(), + [&rxListener](const ListenerDescriptor& rList) { return rList.mxListener == rxListener; }); + if (iList != rMap.second.end()) + rMap.second.erase(iList); + } +} + +void ConfigurationControllerBroadcaster::NotifyListeners ( + const ListenerList& rList, + const ConfigurationChangeEvent& rEvent) +{ + // Create a local copy of the event in which the user data is modified + // for every listener. + ConfigurationChangeEvent aEvent (rEvent); + + for (const auto& rListener : rList) + { + try + { + aEvent.UserData = rListener.maUserData; + rListener.mxListener->notifyConfigurationChange(aEvent); + } + catch (const lang::DisposedException& rException) + { + // When the exception comes from the listener itself then + // unregister it. + if (rException.Context == rListener.mxListener) + RemoveListener(rListener.mxListener); + } + catch (const RuntimeException&) + { + DBG_UNHANDLED_EXCEPTION("sd"); + } + } +} + +void ConfigurationControllerBroadcaster::NotifyListeners (const ConfigurationChangeEvent& rEvent) +{ + // Notify the specialized listeners. + ListenerMap::const_iterator iMap (maListenerMap.find(rEvent.Type)); + if (iMap != maListenerMap.end()) + { + // Create a local list of the listeners to avoid problems with + // concurrent changes and to be able to remove disposed listeners. + ListenerList aList (iMap->second.begin(), iMap->second.end()); + NotifyListeners(aList,rEvent); + } + + // Notify the universal listeners. + iMap = maListenerMap.find(OUString()); + if (iMap != maListenerMap.end()) + { + // Create a local list of the listeners to avoid problems with + // concurrent changes and to be able to remove disposed listeners. + ListenerList aList (iMap->second.begin(), iMap->second.end()); + NotifyListeners(aList,rEvent); + } +} + +void ConfigurationControllerBroadcaster::NotifyListeners ( + const OUString& rsEventType, + const Reference<XResourceId>& rxResourceId, + const Reference<XResource>& rxResourceObject) +{ + ConfigurationChangeEvent aEvent; + aEvent.Type = rsEventType; + aEvent.ResourceId = rxResourceId; + aEvent.ResourceObject = rxResourceObject; + try + { + NotifyListeners(aEvent); + } + catch (const lang::DisposedException&) + { + } +} + +void ConfigurationControllerBroadcaster::DisposeAndClear() +{ + lang::EventObject aEvent; + aEvent.Source = mxConfigurationController; + while (!maListenerMap.empty()) + { + ListenerMap::iterator iMap (maListenerMap.begin()); + if (iMap == maListenerMap.end()) + break; + + // When the first vector is empty then remove it from the map. + if (iMap->second.empty()) + { + maListenerMap.erase(iMap); + continue; + } + else + { + Reference<XConfigurationChangeListener> xListener ( + iMap->second.front().mxListener ); + if (xListener.is()) + { + // Tell the listener that the configuration controller is + // being disposed and remove the listener (for all event + // types). + try + { + RemoveListener(xListener); + xListener->disposing(aEvent); + } + catch (const RuntimeException&) + { + DBG_UNHANDLED_EXCEPTION("sd"); + } + } + else + { + // Remove just this reference to the listener. + iMap->second.erase(iMap->second.begin()); + } + } + } +} + +} // end of namespace sd::framework + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |