+ s.sync();
+ switch (s.status()) {
+ case QSettings::NoError:
+ return true;
+ default:
+ return false;
+ }
+}
+
+bool Settings::isWritable() const
+{
+ create_qsettings;
+ return s.isWritable();
+}
+
+QStringList Settings::allLocalKeys() const
+{
+ create_qsettings;
+ s.beginGroup(_group);
+ QStringList res = s.allKeys();
+ s.endGroup();
+ return res;
+}
+
+QStringList Settings::localChildKeys(const QString& rootkey) const
+{
+ QString g;
+ if (rootkey.isEmpty())
+ g = _group;
+ else
+ g = QString("%1/%2").arg(_group, rootkey);
+
+ create_qsettings;
+ s.beginGroup(g);
+ QStringList res = s.childKeys();
+ s.endGroup();
+ return res;
+}
+
+QStringList Settings::localChildGroups(const QString& rootkey) const
+{
+ QString g;
+ if (rootkey.isEmpty())
+ g = _group;
+ else
+ g = QString("%1/%2").arg(_group, rootkey);
+
+ create_qsettings;
+ s.beginGroup(g);
+ QStringList res = s.childGroups();
+ s.endGroup();
+ return res;
+}
+
+void Settings::setLocalValue(const QString& key, const QVariant& data)
+{
+ QString normKey = normalizedKey(_group, key);
+ create_qsettings;
+ s.setValue(normKey, data);
+ setCacheKeyPersisted(normKey, true);
+ setCacheValue(normKey, data);
+ if (hasNotifier(normKey)) {
+ emit notifier(normKey)->valueChanged(data);
+ }
+}
+
+QVariant Settings::localValue(const QString& key, const QVariant& def) const
+{
+ QString normKey = normalizedKey(_group, key);
+ if (!isCached(normKey)) {
+ create_qsettings;
+ // Since we're loading from settings anyways, cache whether or not the key exists on disk
+ setCacheKeyPersisted(normKey, s.contains(normKey));
+ // Cache key value
+ setCacheValue(normKey, s.value(normKey, def));
+ }
+ if (cacheKeyPersisted(normKey)) {
+ return cacheValue(normKey);
+ }
+ // Don't return possibly wrong cached values
+ // A key gets cached with the first default value requested and never changes afterwards
+ return def;
+}
+
+bool Settings::localKeyExists(const QString& key) const
+{
+ QString normKey = normalizedKey(_group, key);
+ if (!isKeyPersistedCached(normKey)) {
+ create_qsettings;
+ // Cache whether or not key exists on disk
+ // We can't cache key value as we don't know the default
+ setCacheKeyPersisted(normKey, s.contains(normKey));
+ }
+
+ return cacheKeyPersisted(normKey);
+}
+
+void Settings::removeLocalKey(const QString& key)
+{
+ create_qsettings;
+ s.beginGroup(_group);
+ s.remove(key);
+ s.endGroup();
+ QString normKey = normalizedKey(_group, key);
+ if (isCached(normKey)) {
+ _settingsCache.remove(normKey);
+ }
+ if (isKeyPersistedCached(normKey)) {
+ _settingsKeyPersistedCache.remove(normKey);
+ }
+ if (hasNotifier(normKey)) {
+ emit notifier(normKey)->valueChanged({});
+ }
+}
+
+QString Settings::fileName() const
+{
+ return Quassel::configDirPath() + _appName + ((format() == QSettings::NativeFormat) ? QLatin1String(".conf") : QLatin1String(".ini"));
+}
+
+QString Settings::normalizedKey(const QString& group, const QString& key) const
+{
+ if (group.isEmpty())
+ return key;
+ return group + '/' + key;
+}
+
+void Settings::setCacheKeyPersisted(const QString& normKey, bool exists) const
+{
+ _settingsKeyPersistedCache[normKey] = exists;
+}
+
+bool Settings::cacheKeyPersisted(const QString& normKey) const
+{
+ return _settingsKeyPersistedCache[normKey];
+}
+
+bool Settings::isKeyPersistedCached(const QString& normKey) const
+{
+ return _settingsKeyPersistedCache.contains(normKey);
+}
+
+void Settings::setCacheValue(const QString& normKey, const QVariant& data) const
+{
+ _settingsCache[normKey] = data;
+}
+
+QVariant Settings::cacheValue(const QString& normKey) const
+{
+ return _settingsCache[normKey];
+}
+
+bool Settings::isCached(const QString& normKey) const
+{
+ return _settingsCache.contains(normKey);
+}
+
+SettingsChangeNotifier* Settings::notifier(const QString& normKey) const
+{
+ if (!hasNotifier(normKey))
+ _settingsChangeNotifier[normKey] = std::make_shared<SettingsChangeNotifier>();
+ return _settingsChangeNotifier[normKey].get();
+}
+
+bool Settings::hasNotifier(const QString& normKey) const
+{
+ return _settingsChangeNotifier.contains(normKey);