contents/ui/BackgroundElement.qml

0001 /*
0002  *   SPDX-FileCopyrightText: 2012 Marco Martin <mart@kde.org>
0003  *
0004  *   SPDX-License-Identifier: LGPL-2.0-or-later
0005  */
0006
0007 import QtQuick 2.0
0008 import org.kde.plasma.core 2.0 as PlasmaCore
0009
0010 PlasmaCore.SvgItem {
0011     id: root
0012     width: naturalSize.width * (parent.height/naturalSize.height)
0013     height: parent.height
0014     svg: wallpaperSvg
0015
0016     signal changeTriggered
0017
0018     function change() {changeAnimation.running = true}
0019
0020     // Intentionally not using a standard duration value for these, as this is
0021     // an animated wallpaper so disabling animations doesn't make sense, and the
0022     // duration shouldn't be scaled with the user's preferences because this is
0023     // tuned to create a specific visual effect.
0024     SequentialAnimation {
0025         id: changeAnimation
0026         NumberAnimation {
0027             targets: root
0028             properties: "opacity"
0029             to: 0
0030             duration: 1000
0031             easing.type: Easing.InOutCubic
0032         }
0033         ScriptAction { script: root.z = Math.floor(Math.random()*7) }
0034         NumberAnimation {
0035             targets: root
0036             properties: "opacity"
0037             to: Math.random()
0038             duration: 1000
0039             easing.type: Easing.InOutCubic
0040         }
0041     }
0042 }