taskswitcher: add delay for tasks reordering

components/mobileshell/qml/taskswitcher/Task.qml

@@ -46,6 +46,7 @@ Item {
     }
     
     function activateApp() {
+        taskSwitcherState.wasInActiveTask = false;
         taskSwitcher.activateWindow(model.index);
     }
 //END functions

components/mobileshell/qml/taskswitcher/TaskSwitcher.qml

@@ -73,6 +73,14 @@ Item {
         oldTasksCount = tasksCount;
     }
 
+    Timer {
+        id: reorderTimer
+
+        interval: 5000
+
+        onTriggered: tasksModel.taskReorderingEnabled = true
+    }
+
 //BEGIN functions
 
     function show(animation) {
@@ -83,6 +91,9 @@ Item {
         taskSwitcherState.wasInActiveTask = tasksModel.activeTask.row >= 0;
         taskSwitcherState.currentlyBeingOpened = true;
 
+        reorderTimer.stop();
+        tasksModel.taskReorderingEnabled = false;
+
         // skip to first active task
         if (taskSwitcherState.wasInActiveTask) {
             taskSwitcherState.goToTaskIndex(tasksModel.activeTask.row);
@@ -140,6 +151,12 @@ Item {
         }
         
         instantHide();
+
+        if (taskSwitcherState.wasInActiveTask) {
+            reorderTimer.restart();
+        } else {
+            tasksModel.taskReorderingEnabled = true;
+        }
     }
     
     function minimizeAll() {
@@ -156,6 +173,7 @@ Item {
         easing.type: Easing.InOutQuad
         onFinished: {
             root.visible = false;
+            tasksModel.taskReorderingEnabled = true;
         }
     }