Add a fake startup notification window

add a window shown when an application is started
hide the window when a new one appears.

it's an approximation, we still need a real startup notification system

containments/homescreen/package/contents/ui/FeedbackWindow.qml

@@ -0,0 +1,101 @@
+/*
+ *   Copyright 2015 Marco Martin <notmart@gmail.com>
+ *
+ *   This program is free software; you can redistribute it and/or modify
+ *   it under the terms of the GNU Library General Public License as
+ *   published by the Free Software Foundation; either version 2, or
+ *   (at your option) any later version.
+ *
+ *   This program is distributed in the hope that it will be useful,
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *   GNU Library General Public License for more details
+ *
+ *   You should have received a copy of the GNU Library General Public
+ *   License along with this program; if not, write to the
+ *   Free Software Foundation, Inc.,
+ *   51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
+ */
+
+import QtQuick 2.0
+import QtQuick.Layouts 1.1
+import QtQuick.Window 2.2
+import org.kde.plasma.core 2.0 as PlasmaCore
+import org.kde.plasma.components 2.0 as PlasmaComponents
+
+Window {
+    id: window
+
+    property alias state: background.state
+    width: Screen.width
+    height: Screen.height
+    color: "transparent"
+    onVisibleChanged: {
+        if (!visible) {
+            background.state = "closed";
+        }
+    }
+    onActiveChanged: {
+        if (!active) {
+            background.state = "closed";
+        }
+    }
+
+    Rectangle {
+        id: background
+        color: Qt.rgba(0, 0, 0, 0.8)
+        width: window.width
+        height: window.height
+        state: "closed"
+
+        PlasmaCore.ColorScope {
+            anchors.fill: parent
+            colorGroup: PlasmaCore.Theme.ComplementaryColorGroup
+            PlasmaComponents.BusyIndicator {
+                anchors.centerIn: parent
+            }
+        }
+
+        states: [
+            State {
+                name: "closed"
+                PropertyChanges {
+                    target: background
+                    scale: 0
+                }
+                PropertyChanges {
+                    target: window
+                    visible: false
+                }
+            },
+            State {
+                name: "open"
+                PropertyChanges {
+                    target: background
+                    scale: 1
+                }
+                PropertyChanges {
+                    target: window
+                    visible: true
+                }
+            }
+        ]
+
+        transitions: [
+            Transition {
+                from: "closed"
+                SequentialAnimation {
+                    ScriptAction {
+                        script: window.visible = true;
+                    }
+                    PropertyAnimation {
+                        target: background
+                        duration: units.longDuration
+                        easing.type: Easing.InOutQuad
+                        properties: "scale"
+                    }
+                }
+            }
+        ]
+    }
+}

containments/homescreen/package/contents/ui/main.qml

@@ -256,6 +256,7 @@ MouseEventListener {
             return;
         }
 
+        feedbackWindow.state = "open";
         plasmoid.nativeInterface.applicationListModel.runApplication(item.modelData.ApplicationStorageIdRole);
         clickFedbackAnimation.target = item;
         clickFedbackAnimation.running = true;
@@ -281,6 +282,9 @@ MouseEventListener {
             easing.type: Easing.InOutQuad
         }
     }
+    FeedbackWindow {
+        id: feedbackWindow
+    }
     PlasmaCore.ColorScope {
         anchors.fill: parent
         //TODO: decide what color we want applets