Refactory set lock screen time.

src/utilities/GetLockScreenTimeHelper.cpp

@@ -0,0 +1,43 @@
+#include "GetLockScreenTimeHelper.h"
+
+#include "json/jsonobject.h"
+
+#include <QObject>
+
+QStringList GetLockScreenTimeHelper::getLockScreenTimeList()
+{
+    QStringList timeList = JsonObject::Instance()->lockScreenTimes();
+    QStringList result;
+    foreach(QString time, timeList)
+    {
+        result << switchTimeIntToTimeString(time.toInt());
+    }
+    return result;
+}
+
+int GetLockScreenTimeHelper::getLockScreenTime()
+{
+    return JsonObject::Instance()->getLockScreenTime();
+}
+
+QString GetLockScreenTimeHelper::getLockScreenTimeStr()
+{
+    return switchTimeIntToTimeString(getLockScreenTime());
+}
+
+void GetLockScreenTimeHelper::setLockScreenTime(const QString& aTime)
+{
+    int time = aTime.section(" ", 0, 0).toInt();
+    JsonObject::Instance()->setLockScreenTime(time);
+}
+
+QString GetLockScreenTimeHelper::switchTimeIntToTimeString(int aTime)
+{
+    switch(aTime)
+    {
+        case 0 :
+        return QObject::tr("Never");
+        default:
+        return QString::number(aTime) + QObject::tr(" Minutes");
+    }
+}