+
+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);