add Settings class

1 files changed, 97 insertions, 0 deletions

diff --git a/src/settings.cpp b/src/settings.cpp
new file mode 100644
index 0000000..f221854
--- /dev/null
+++ b/src/settings.cpp
@@ -0,0 +1,97 @@
+/**
+ * Copyright (c) 2012 Nokia Corporation.
+ * All rights reserved.
+ *
+ * For the applicable distribution terms see the license text file included in
+ * the distribution.
+ */
+
+#include "settings.h"
+#include <QtCore/QSettings>
+#include <QDebug>
+#include <QGuiApplication>
+
+/*!
+  \class Settings
+  \brief This class loads and stores settings used by client application.
+*/
+
+
+/*!
+  Constructor.
+*/
+Settings::Settings(QObject *parent)
+    : QObject(parent)
+{
+}
+
+
+/*!
+  Copy constructor.
+  Not used.
+*/
+Settings::Settings(const Settings &settings)
+    : QObject(0)
+{
+    Q_UNUSED(settings)
+}
+
+
+/*!
+  Stores the setting as a key value pair.
+*/
+void Settings::setSetting(const QString &setting, const QVariant &value)
+{
+    QSettings settings;
+    settings.setValue(setting, value);
+    //qDebug() << "changed setting: " << setting << "to value: " << value;
+    emit settingChanged(setting, value);
+}
+
+
+/*!
+  Loads the setting by key. Returns value or the default value if no setting is found.
+*/
+QVariant Settings::setting(const QString &setting, const QVariant &defaultValue)
+{
+    QSettings settings;
+    //qDebug() << "returning settings value: " << settings.value(setting);
+    return settings.value(setting, defaultValue);
+}
+
+/*!
+  Loads the setting by key. Returns value.
+*/
+QVariant Settings::setting(const QString &setting)
+{
+    QSettings settings;
+    //qDebug() << "returning settings value: " << settings.value(setting);
+    return settings.value(setting);
+}
+
+
+/*!
+  Removes the setting by key. Returns true, if setting removed
+  successfully. Otherwise false.
+*/
+bool Settings::removeSetting(const QString &setting)
+{
+    QSettings settings;
+    if (!settings.contains(setting)) {
+        return false;
+    }
+
+    settings.remove(setting);
+    return true;
+}
+
+
+/*!
+  Removes all settings.
+*/
+void Settings::clear()
+{
+    QSettings settings;
+    settings.clear();
+}
+