Update to dms control phase1.

src/utilities/Locker.cpp

@@ -17,6 +17,11 @@ Locker::Locker()
     , mCounter(JsonObject::Instance()->lockerCount())
     , mIsEnable(false)
 {
+    if(mCounter > 0)
+    {
+        setIsEnable(true);
+    }
+    mScreenTimer->setSingleShot(true);
     connect(mScreenTimer, SIGNAL(timeout()), this, SLOT(coverScreen()));
 }
 
@@ -28,6 +33,7 @@ void Locker::start()
 {
     if (mIsEnable)
     {
+        mScreenTimer->stop();
         mScreenTimer->start(mCounter);
     }
 }
@@ -54,18 +60,12 @@ void Locker::coverScreen()
     else
     {
         mScreenTimer->stop();
-        //EventCenter::Default()->triggerEvent(GUIEvents::RequestLogin, nullptr, nullptr);
         EventCenter::Default()->triggerEvent(GUIEvents::RequestScreenSaver, nullptr, nullptr);
     }
 }
 void Locker::setTimer(int aInterval)
 {
     mCounter = aInterval;
-    mScreenTimer->stop();
-    if (mIsEnable)
-    {
-        mScreenTimer->start(mCounter);
-    }
 }
 void Locker::refreshTimer()
 {