1 /***************************************************************************
2 * Copyright (C) 2005-08 by the Quassel Project *
3 * devel@quassel-irc.org *
5 * This program is free software; you can redistribute it and/or modify *
6 * it under the terms of the GNU General Public License as published by *
7 * the Free Software Foundation; either version 2 of the License, or *
8 * (at your option) version 3. *
10 * This program is distributed in the hope that it will be useful, *
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of *
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
13 * GNU General Public License for more details. *
15 * You should have received a copy of the GNU General Public License *
16 * along with this program; if not, write to the *
17 * Free Software Foundation, Inc., *
18 * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
19 ***************************************************************************/
24 #include <QCoreApplication>
29 class SettingsChangeNotifier : public QObject {
33 void valueChanged(const QVariant &newValue);
36 friend class Settings;
43 enum Mode { Default, Custom };
46 void notify(const QString &key, QObject *receiver, const char *slot);
49 inline Settings(QString group_, QString appName_) : group(group_), appName(appName_) {}
50 inline virtual ~Settings() {}
52 inline void setGroup(const QString &group_) { group = group_; }
54 virtual QStringList allLocalKeys();
55 virtual QStringList localChildKeys(const QString &rootkey = QString());
56 virtual QStringList localChildGroups(const QString &rootkey = QString());
58 virtual void setLocalValue(const QString &key, const QVariant &data);
59 virtual const QVariant &localValue(const QString &key, const QVariant &def = QVariant());
61 virtual void removeLocalKey(const QString &key);
67 inline QString org() {
69 return QCoreApplication::organizationDomain();
71 return QCoreApplication::organizationName();
75 static QHash<QString, QHash<QString, QVariant> > settingsCache;
76 static QHash<QString, QHash<QString, SettingsChangeNotifier *> > settingsChangeNotifier;
78 inline void setCacheValue(const QString &group, const QString &key, const QVariant &data) {
79 settingsCache[group][key] = data;
81 inline const QVariant &cacheValue(const QString &group, const QString &key) {
82 return settingsCache[group][key];
84 inline bool isCached(const QString &group, const QString &key) {
85 return settingsCache.contains(group) && settingsCache[group].contains(key);
88 inline SettingsChangeNotifier *notifier(const QString &group, const QString &key) {
89 if(!hasNotifier(group, key))
90 settingsChangeNotifier[group][key] = new SettingsChangeNotifier();
91 return settingsChangeNotifier[group][key];
94 inline bool hasNotifier(const QString &group, const QString &key) {
95 return settingsChangeNotifier.contains(group) && settingsChangeNotifier[group].contains(key);