Optimize background color animation

qml/StatusNotifierItem.qml

@@ -1,9 +0,0 @@
-import QtQuick 2.12
-
-Loader {
-    sourceComponent: _item
-
-    Component {
-        id: _item
-    }
-}

qml/main.qml

@@ -6,7 +6,6 @@ import QtGraphicalEffects 1.0
 import Cyber.NetworkManagement 1.0 as NM
 import Cutefish.Dock 1.0
 import MeuiKit 1.0 as Meui
-import org.kde.plasma.core 2.0 as PlasmaCore
 
 Item {
     id: root
@@ -70,10 +69,17 @@ Item {
         color: Meui.Theme.backgroundColor
         opacity: Meui.Theme.darkMode ? 0.3 : 0.5
 
+        Behavior on opacity {
+            NumberAnimation {
+                duration: 200
+                easing.type: Easing.Linear
+            }
+        }
+
         Behavior on color {
             ColorAnimation {
                 duration: 200
-                easing.type: Easing.InOutQuad
+                easing.type: Easing.Linear
             }
         }
     }

resources.qrc

@@ -102,6 +102,5 @@
         <file>svg/light/dark-mode.svg</file>
         <file>svg/dark/dark-mode.svg</file>
         <file>svg/dark/bluetooth-symbolic.svg</file>
-        <file>qml/StatusNotifierItem.qml</file>
     </qresource>
 </RCC>

src/iconitem.cpp

@@ -152,16 +152,20 @@ public:
     explicit SvgSource(const QString &sourceString, IconItem *iconItem)
         : IconItemSource(iconItem)
     {
+        m_reader.setFileName(sourceString);
+    }
 
+    bool isValid() const override {
+        return m_reader.canRead();
     }
 
     const QSize size() const override {
-        return size();
+        return QSize();
     }
 
     QPixmap pixmap(const QSize &size) override {
-        Q_UNUSED(size);
-        return QPixmap();
+        m_reader.setScaledSize(size * devicePixelRatio());
+        return QPixmap::fromImage(m_reader.read());
     }
 
 private:
@@ -169,6 +173,7 @@ private:
         return window() ? window()->devicePixelRatio() : qApp->devicePixelRatio();
     }
 
+    QImageReader m_reader;
     QString m_svgIconName;
 };
 
@@ -177,7 +182,6 @@ IconItem::IconItem(QQuickItem *parent)
     , m_iconItemSource(new NullSource(this))
     , m_active(false)
     , m_animated(false)
-    , m_usesPlasmaTheme(false)
     , m_roundToIconSize(true)
     , m_textureChanged(false)
     , m_sizeChanged(false)
@@ -226,6 +230,9 @@ void IconItem::setSource(const QVariant &source)
                 m_iconItemSource.reset(new QImageSource(imageIcon, this));
             }
         } else {
+//            if (sourceString.startsWith("qrc:/"))
+//                m_iconItemSource.reset(new SvgSource(sourceString.remove(0, 3), this));
+//            else if (sourceString.startsWith(":/"))
 //                m_iconItemSource.reset(new SvgSource(sourceString, this));
 
             if (!m_iconItemSource->isValid()) {
@@ -388,7 +395,6 @@ void IconItem::loadPixmap()
         return;
     }
 
-    const qreal devicePixelRatio = window() ? window()->devicePixelRatio() : qApp->devicePixelRatio();
     int size = qMin(qRound(width()), qRound(height()));
     QPixmap result;
 
@@ -399,7 +405,9 @@ void IconItem::loadPixmap()
     }
 
     if (m_iconItemSource->isValid()) {
-        result = m_iconItemSource->pixmap(QSize(size * devicePixelRatio, size * devicePixelRatio));
+        result = m_iconItemSource->pixmap(QSize(size * qApp->devicePixelRatio(),
+                                                size * qApp->devicePixelRatio()));
+        result.setDevicePixelRatio(qApp->devicePixelRatio());
     } else {
         m_iconPixmap = QPixmap();
         update();

src/iconitem.h

@@ -62,7 +62,6 @@ signals:
     void activeChanged();
     void sourceChanged();
     void animatedChanged();
-    void usesPlasmaThemeChanged();
     void roundToIconSizeChanged();
     void validChanged();
     void colorGroupChanged();
@@ -83,7 +82,6 @@ private:
 
     bool m_active;
     bool m_animated;
-    bool m_usesPlasmaTheme;
     bool m_roundToIconSize;
 
     bool m_textureChanged;