libs/flake/KoInputDeviceHandlerRegistry.cpp

0001 /* This file is part of the KDE project
0002  * Copyright (C) 2008 Jan Hambrecht <jaham@gmx.net>
0003  *
0004  * This library is free software; you can redistribute it and/or
0005  * modify it under the terms of the GNU Library General Public
0006  * License as published by the Free Software Foundation; either
0007  * version 2 of the License, or (at your option) any later version.
0008  *
0009  * This library is distributed in the hope that it will be useful,
0010  * but WITHOUT ANY WARRANTY; without even the implied warranty of
0011  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
0012  * Library General Public License for more details.
0013  *
0014  * You should have received a copy of the GNU Library General Public License
0015  * along with this library; see the file COPYING.LIB.  If not, write to
0016  * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
0017  * Boston, MA 02110-1301, USA.
0018  */
0019
0020 #include "KoInputDeviceHandlerRegistry.h"
0021
0022 #include <QGlobalStatic>
0023
0024 #include <KoPluginLoader.h>
0025
0026 Q_GLOBAL_STATIC(KoInputDeviceHandlerRegistry, s_instance)
0027
0028 KoInputDeviceHandlerRegistry::KoInputDeviceHandlerRegistry()
0029 {
0030 }
0031
0032 void KoInputDeviceHandlerRegistry::init()
0033 {
0034     KoPluginLoader::PluginsConfig config;
0035     config.whiteList = "DevicePlugins";
0036     config.blacklist = "DevicePluginsDisabled";
0037     config.group = "calligra";
0038     KoPluginLoader::load(QStringLiteral("calligra/devices"), config);
0039
0040     foreach(const QString & id, keys()) {
0041         KoInputDeviceHandler * d = value(id);
0042         if (d)
0043             d->start();
0044     }
0045 }
0046
0047 KoInputDeviceHandlerRegistry::~KoInputDeviceHandlerRegistry()
0048 {
0049     foreach(const QString & id, keys()) {
0050         KoInputDeviceHandler * d = value(id);
0051         if (d) {
0052             d->stop();
0053         }
0054     }
0055     foreach(const QString &id, keys()) {
0056         get(id)->deleteLater();
0057     }
0058     // just leak on exit -- we get into trouble for explicitly
0059     // deleting stuff from static objects, like registries
0060     //qDeleteAll(doubleEntries());
0061 }
0062
0063 KoInputDeviceHandlerRegistry* KoInputDeviceHandlerRegistry::instance()
0064 {
0065     if (!s_instance.exists()) {
0066         s_instance->init();
0067     }
0068     return s_instance;
0069 }