homescreen: Add launch delegate animation

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

@@ -4,7 +4,7 @@
  *  SPDX-License-Identifier: GPL-2.0-or-later
  */
 
-import QtQuick 2.4
+import QtQuick 2.15
 import QtQuick.Layouts 1.1
 import QtQuick.Controls 2.3 as Controls
 import QtGraphicalEffects 1.6
@@ -53,6 +53,17 @@ ContainmentLayoutManager.ItemContainer {
             MobileShell.ApplicationListModel.unsetMinimizedDelegate(index, delegate);
         }
     }
+    
+    function launchApp() {
+        if (modelData.applicationRunning) {
+            delegate.launch(0, 0, "", modelData.applicationName);
+        } else {
+            delegate.launch(delegate.x + (PlasmaCore.Units.smallSpacing * 2), delegate.y + (PlasmaCore.Units.smallSpacing * 2), icon.source, modelData.applicationName);
+        }
+
+        MobileShell.ApplicationListModel.setMinimizedDelegate(index, delegate);
+        MobileShell.ApplicationListModel.runApplication(modelData.applicationStorageId);
+    }
 
     readonly property bool applicationRunning: model.applicationRunning
     onApplicationRunningChanged: {
@@ -88,18 +99,54 @@ ContainmentLayoutManager.ItemContainer {
 
     contentItem: MouseArea {
         id: mouseArea
-        onClicked: {
-            if (modelData.applicationRunning) {
-                delegate.launch(0, 0, "", modelData.applicationName);
-            } else {
-                delegate.launch(delegate.x + (PlasmaCore.Units.smallSpacing * 2), delegate.y + (PlasmaCore.Units.smallSpacing * 2), icon.source, modelData.applicationName);
+        
+        // grow/shrink animation
+        property real zoomScale: 1
+        transform: Scale { 
+            origin.x: mouseArea.width / 2; 
+            origin.y: mouseArea.height / 2; 
+            xScale: mouseArea.zoomScale
+            yScale: mouseArea.zoomScale
+        }
+        
+        property bool launchAppRequested: false
+        
+        NumberAnimation on zoomScale {
+            id: shrinkAnim
+            duration: 80
+            to: 0.8
+            onFinished: {
+                if (!mouseArea.pressed) {
+                    growAnim.restart();
+                }
             }
-
-            MobileShell.ApplicationListModel.setMinimizedDelegate(index, delegate);
-            MobileShell.ApplicationListModel.runApplication(modelData.applicationStorageId);
         }
+        
+        NumberAnimation on zoomScale {
+            id: growAnim
+            duration: 80
+            to: 1
+            onFinished: {
+                if (mouseArea.launchAppRequested) {
+                    delegate.launchApp();
+                    mouseArea.launchAppRequested = false;
+                }
+            }
+        }
+        
+        cursorShape: Qt.PointingHandCursor
+        hoverEnabled: true
+        onPressedChanged: {
+            if (pressed) {
+                growAnim.stop();
+                shrinkAnim.restart();
+            } else if (!pressed && !shrinkAnim.running) {
+                growAnim.restart();
+            }
+        }
+        // launch app handled by press animation
+        onClicked: launchAppRequested = true;
 
-        //preventStealing: true
         ColumnLayout {
             anchors {
                 fill: parent
@@ -132,6 +179,15 @@ ContainmentLayoutManager.ItemContainer {
                     height: width
                     color: PlasmaCore.Theme.highlightColor
                 }
+                
+                // darken effect when hovered/pressed
+                layer {
+                    enabled: mouseArea.pressed || mouseArea.containsMouse
+                    effect: ColorOverlay {
+                        color: Qt.rgba(0, 0, 0, 0.3)
+                    }
+                }
+                
                 //TODO: in loader?
                 Private.DelegateRemoveButton {
                     id: removeButton
@@ -165,10 +221,10 @@ ContainmentLayoutManager.ItemContainer {
                 layer.effect: DropShadow {
                     horizontalOffset: 0
                     verticalOffset: 2
-                    radius: 8.0
-                    samples: 16
+                    radius: 6.0
+                    samples: 10
                     cached: true
-                    color: Qt.rgba(0, 0, 0, 1)
+                    color: Qt.rgba(0, 0, 0, 0.3)
                 }
             }
             Item {Layout.fillHeight:true}

containments/homescreen/package/contents/ui/appdrawer/DrawerGridDelegate.qml

@@ -4,7 +4,7 @@
  *  SPDX-License-Identifier: GPL-2.0-or-later
  */
 
-import QtQuick 2.4
+import QtQuick 2.15
 import QtQuick.Layouts 1.1
 import QtQuick.Controls 2.3 as Controls
 import QtGraphicalEffects 1.6
@@ -28,6 +28,15 @@ MouseArea {
     signal launch(int x, int y, var source, string title, string storageId)
     signal dragStarted(string imageSource, int x, int y, string mimeData)
 
+    function launchApp() {
+        // launch app
+        if (model.applicationRunning) {
+            delegate.launch(0, 0, "", model.applicationName, model.applicationStorageId);
+        } else {
+            delegate.launch(delegate.x + (PlasmaCore.Units.smallSpacing * 2), delegate.y + (PlasmaCore.Units.smallSpacing * 2), icon.source, model.applicationName, model.applicationStorageId);
+        }
+    }
+    
     onPressAndHold: {
         delegate.grabToImage(function(result) {
             delegate.Drag.imageSource = result.url
@@ -35,14 +44,52 @@ MouseArea {
         })
     }
 
-    onClicked: {
-        // launch app
-        if (model.applicationRunning) {
-            delegate.launch(0, 0, "", model.applicationName, model.applicationStorageId);
-        } else {
-            delegate.launch(delegate.x + (PlasmaCore.Units.smallSpacing * 2), delegate.y + (PlasmaCore.Units.smallSpacing * 2), icon.source, model.applicationName, model.applicationStorageId);
+    // grow/shrink animation
+    property real zoomScale: 1
+    transform: Scale { 
+        origin.x: delegate.width / 2; 
+        origin.y: delegate.height / 2; 
+        xScale: delegate.zoomScale
+        yScale: delegate.zoomScale
+    }
+    
+    property bool launchAppRequested: false
+    
+    NumberAnimation on zoomScale {
+        id: shrinkAnim
+        duration: 80
+        to: 0.8
+        onFinished: {
+            if (!delegate.pressed) {
+                growAnim.restart();
+            }
+        }
+    }
+    
+    NumberAnimation on zoomScale {
+        id: growAnim
+        duration: 80
+        to: 1
+        onFinished: {
+            if (delegate.launchAppRequested) {
+                delegate.launchApp();
+                delegate.launchAppRequested = false;
+            }
         }
     }
+    
+    cursorShape: Qt.PointingHandCursor
+    hoverEnabled: true
+    onPressedChanged: {
+        if (pressed) {
+            growAnim.stop();
+            shrinkAnim.restart();
+        } else if (!pressed && !shrinkAnim.running) {
+            growAnim.restart();
+        }
+    }
+    // launch app handled by press animation
+    onClicked: launchAppRequested = true;
 
     //preventStealing: true
     ColumnLayout {
@@ -77,6 +124,14 @@ MouseArea {
                 height: width
                 color: theme.highlightColor
             }
+            
+            // darken effect when hovered/pressed
+            layer {
+                enabled: delegate.pressed || delegate.containsMouse
+                effect: ColorOverlay {
+                    color: Qt.rgba(0, 0, 0, 0.3)
+                }
+            }
         }
 
         PlasmaComponents.Label {