kcm: Add reduced animation mode

Implement #190 reduced animations mode

components/mobileshell/mobileshellsettings.cpp

@@ -27,6 +27,7 @@ MobileShellSettings::MobileShellSettings(QObject *parent)
     connect(m_configWatcher.data(), &KConfigWatcher::configChanged, this, [this](const KConfigGroup &group, const QByteArrayList &names) -> void {
         if (group.name() == GENERAL_CONFIG_GROUP) {
             Q_EMIT vibrationsEnabledChanged();
+            Q_EMIT animationsEnabledChanged();
             Q_EMIT navigationPanelEnabledChanged();
         } else if (group.name() == QUICKSETTINGS_CONFIG_GROUP) {
             Q_EMIT enabledQuickSettingsChanged();
@@ -48,6 +49,19 @@ void MobileShellSettings::setVibrationsEnabled(bool vibrationsEnabled)
     m_config->sync();
 }
 
+bool MobileShellSettings::animationsEnabled() const
+{
+    auto group = KConfigGroup{m_config, GENERAL_CONFIG_GROUP};
+    return group.readEntry("animationsEnabled", true);
+}
+
+void MobileShellSettings::setAnimationsEnabled(bool animationsEnabled)
+{
+    auto group = KConfigGroup{m_config, GENERAL_CONFIG_GROUP};
+    group.writeEntry("animationsEnabled", animationsEnabled, KConfigGroup::Notify);
+    m_config->sync();
+}
+
 bool MobileShellSettings::navigationPanelEnabled() const
 {
     auto group = KConfigGroup{m_config, GENERAL_CONFIG_GROUP};

components/mobileshell/mobileshellsettings.h

@@ -15,6 +15,7 @@ class MobileShellSettings : public QObject
 {
     Q_OBJECT
     Q_PROPERTY(bool vibrationsEnabled READ vibrationsEnabled WRITE setVibrationsEnabled NOTIFY vibrationsEnabledChanged)
+    Q_PROPERTY(bool animationsEnabled READ animationsEnabled WRITE setAnimationsEnabled NOTIFY animationsEnabledChanged)
     Q_PROPERTY(bool navigationPanelEnabled READ navigationPanelEnabled WRITE setNavigationPanelEnabled NOTIFY navigationPanelEnabledChanged)
 
 public:
@@ -25,6 +26,9 @@ public:
     bool vibrationsEnabled() const;
     void setVibrationsEnabled(bool vibrationsEnabled);
 
+    bool animationsEnabled() const;
+    void setAnimationsEnabled(bool animationsEnabled);
+
     bool navigationPanelEnabled() const;
     void setNavigationPanelEnabled(bool navigationPanelEnabled);
 
@@ -37,6 +41,7 @@ public:
 Q_SIGNALS:
     void vibrationsEnabledChanged();
     void navigationPanelEnabledChanged();
+    void animationsEnabledChanged();
     void enabledQuickSettingsChanged();
     void disabledQuickSettingsChanged();
 

components/mobileshell/qml/components/StartupFeedback.qml

@@ -136,11 +136,49 @@ MouseArea { // use mousearea to ensure clicks don't go behind
             ]
 
             transitions: [
+            
+                // no-animation mode transition
                 Transition {
                     from: "closed"
+                    enabled: !MobileShell.MobileShellSettings.animationsEnabled
                     SequentialAnimation {
                         ScriptAction {
                             script: {
+                                root.opacity = 0;
+                                root.visible = true;
+                                background.scale = 1;
+                                iconParent.scale = 1;
+                                backgroundParent.x = 0;
+                                backgroundParent.y = 0;
+                            }
+                        }
+                        
+                        NumberAnimation {
+                            target: root
+                            properties: "opacity"
+                            from: 0
+                            to: 1
+                            duration: PlasmaCore.Units.longDuration
+                            easing.type: Easing.OutCubic
+                        }
+
+                        ScriptAction {
+                            script: {
+                                // close the app drawer after it isn't visible
+                                MobileShell.HomeScreenControls.resetHomeScreenPosition();
+                            }
+                        }
+                    }
+                },
+                
+                // full animation transition
+                Transition {
+                    from: "closed"
+                    enabled: MobileShell.MobileShellSettings.animationsEnabled
+                    SequentialAnimation {
+                        ScriptAction {
+                            script: { 
+                                root.opacity = 1;
                                 root.visible = true;
                             }
                         }

components/mobileshell/qml/taskswitcher/Task.qml

@@ -13,6 +13,7 @@ import QtQuick.Controls 2.2 as QQC2
 import org.kde.taskmanager 0.1 as TaskManager
 import org.kde.plasma.core 2.0 as PlasmaCore
 import org.kde.plasma.components 3.0 as PlasmaComponents
+import org.kde.plasma.private.mobileshell 1.0 as MobileShell
 
 Item {
     id: delegate
@@ -195,7 +196,7 @@ Item {
                 clip: true
                 
                 // scale animation on press
-                property real zoomScale: tapHandler.pressed ? 0.9 : 1
+                property real zoomScale: (MobileShell.MobileShellSettings.animationsEnabled && tapHandler.pressed) ? 0.9 : 1
                 Behavior on zoomScale {
                     NumberAnimation {
                         duration: 200

components/mobileshell/qml/taskswitcher/TaskSwitcherState.qml

@@ -201,7 +201,7 @@ QtObject {
         target: root
         property: "yPosition"
         to: openedYPosition 
-        duration: 300
+        duration: MobileShell.MobileShellSettings.animationsEnabled ? 300 : 0
         easing.type: Easing.OutBack
         
         onFinished: {
@@ -213,7 +213,7 @@ QtObject {
         target: root 
         property: "yPosition"
         to: 0
-        duration: PlasmaCore.Units.longDuration
+        duration: MobileShell.MobileShellSettings.animationsEnabled ? PlasmaCore.Units.longDuration : 0
         easing.type: Easing.InOutQuad
         
         onFinished: {
@@ -230,7 +230,7 @@ QtObject {
         target: root 
         property: "yPosition"
         to: 0
-        duration: 300
+        duration: MobileShell.MobileShellSettings.animationsEnabled ? 300 : 0
         easing.type: Easing.OutQuint
         
         onFinished: {

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

@@ -114,8 +114,8 @@ ContainmentLayoutManager.ItemContainer {
         NumberAnimation on zoomScale {
             id: shrinkAnim
             running: false
-            duration: 80
+            duration: MobileShell.MobileShellSettings.animationsEnabled ? 80 : 1
-            to: 0.8
+            to: MobileShell.MobileShellSettings.animationsEnabled ? 0.8 : 1
             onFinished: {
                 if (!mouseArea.pressed) {
                     growAnim.restart();
@@ -126,7 +126,7 @@ ContainmentLayoutManager.ItemContainer {
         NumberAnimation on zoomScale {
             id: growAnim
             running: false
-            duration: 80
+            duration: MobileShell.MobileShellSettings.animationsEnabled ? 80 : 1
             to: 1
             onFinished: {
                 if (mouseArea.launchAppRequested) {

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

@@ -58,8 +58,8 @@ MouseArea {
     NumberAnimation on zoomScale {
         id: shrinkAnim
         running: false
-        duration: 80
+        duration: MobileShell.MobileShellSettings.animationsEnabled ? 80 : 1
-        to: 0.8
+        to: MobileShell.MobileShellSettings.animationsEnabled ? 0.8 : 1
         onFinished: {
             if (!delegate.pressed) {
                 growAnim.restart();
@@ -70,7 +70,7 @@ MouseArea {
     NumberAnimation on zoomScale {
         id: growAnim
         running: false
-        duration: 80
+        duration: MobileShell.MobileShellSettings.animationsEnabled ? 80 : 1
         to: 1
         onFinished: {
             if (delegate.launchAppRequested) {

kcms/mobileshell/package/contents/ui/main.qml

@@ -40,13 +40,24 @@ KCM.SimpleKCM {
                 MobileForm.FormSwitchDelegate {
                     text: i18n("Shell Vibrations")
                     description: i18n("Whether to have vibrations enabled in the shell.")
-                    checked: !MobileShell.MobileShellSettings.vibrationsEnabled
+                    checked: MobileShell.MobileShellSettings.vibrationsEnabled
                     onCheckedChanged: {
                         if (checked != !MobileShell.MobileShellSettings.vibrationsEnabled) {
                             MobileShell.MobileShellSettings.vibrationsEnabled = !checked;
                         }
                     }
                 }
+                
+                MobileForm.FormSwitchDelegate {
+                    text: i18n("Animations")
+                    description: i18n("If this is off, animations will be reduced as much as possible.")
+                    checked: MobileShell.MobileShellSettings.animationsEnabled
+                    onCheckedChanged: {
+                        if (checked != !MobileShell.MobileShellSettings.animationsEnabled) {
+                            MobileShell.MobileShellSettings.animationsEnabled = !checked;
+                        }
+                    }
+                }
             }
         }