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0001 /*************************************************************************** 0002 * SPDX-License-Identifier: GPL-2.0-or-later 0003 * * 0004 * SPDX-FileCopyrightText: 2004-2019 Thomas Fischer <fischer@unix-ag.uni-kl.de> 0005 * * 0006 * This program is free software; you can redistribute it and/or modify * 0007 * it under the terms of the GNU General Public License as published by * 0008 * the Free Software Foundation; either version 2 of the License, or * 0009 * (at your option) any later version. * 0010 * * 0011 * This program is distributed in the hope that it will be useful, * 0012 * but WITHOUT ANY WARRANTY; without even the implied warranty of * 0013 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * 0014 * GNU General Public License for more details. * 0015 * * 0016 * You should have received a copy of the GNU General Public License * 0017 * along with this program; if not, see <https://www.gnu.org/licenses/>. * 0018 ***************************************************************************/ 0019 0020 #ifndef KBIBTEX_CONFIG_NOTIFICATIONHUB_H 0021 #define KBIBTEX_CONFIG_NOTIFICATIONHUB_H 0022 0023 #include "kbibtexconfig_export.h" 0024 0025 #include <QtGlobal> 0026 0027 /** 0028 * @author Thomas Fischer <fischer@unix-ag.uni-kl.de> 0029 */ 0030 class KBIBTEXCONFIG_EXPORT NotificationListener 0031 { 0032 public: 0033 virtual void notificationEvent(int eventId) = 0; 0034 virtual ~NotificationListener(); 0035 }; 0036 0037 /** 0038 * @author Thomas Fischer <fischer@unix-ag.uni-kl.de> 0039 */ 0040 class KBIBTEXCONFIG_EXPORT NotificationHub 0041 { 0042 public: 0043 ~NotificationHub(); 0044 0045 static const int EventAny; 0046 static const int EventConfigurationChanged; 0047 static const int EventBibliographySystemChanged; 0048 static const int EventUserDefined; 0049 0050 static void registerNotificationListener(NotificationListener *listener, int eventId = NotificationHub::EventAny); 0051 static void unregisterNotificationListener(NotificationListener *listener, int eventId = NotificationHub::EventAny); 0052 0053 static void publishEvent(int eventId); 0054 0055 private: 0056 Q_DISABLE_COPY(NotificationHub) 0057 0058 class NotificationHubPrivate; 0059 NotificationHubPrivate *const d; 0060 0061 static NotificationHub &instance(); 0062 0063 NotificationHub(); 0064 }; 0065 0066 #endif // KBIBTEX_CONFIG_NOTIFICATIONHUB_H