File indexing completed on 2024-06-23 05:25:47

 /*
     KWin - the KDE window manager
     This file is part of the KDE project.
 
     SPDX-FileCopyrightText: 2015 Thomas Lübking <thomas.luebking@gmail.com>
 
     SPDX-License-Identifier: GPL-2.0-or-later
 */
 /*global effect, effects, animate, animationTime, Effect, QEasingCurve */
 
 "use strict";
 
 var eyeOnScreenEffect = {
     duration: animationTime(250),
     loadConfig: function () {
         eyeOnScreenEffect.duration = animationTime(250);
     },
     slurp: function (showing) {
         var stackingOrder = effects.stackingOrder;
         for (var i = 0; i < stackingOrder.length; ++i) {
             var w = stackingOrder[i];
             if (!w.visible || !(showing || w.slurpedByEyeOnScreen)) {
                 continue;
             }
             const screenGeo = w.screen.geometry;
             const center = { value1: screenGeo.x + screenGeo.width / 2,
                              value2: screenGeo.y + screenGeo.height / 2 };
             w.slurpedByEyeOnScreen = showing;
             if (w.desktopWindow) {
                 // causes "seizures" because of opposing movements
                 // var zoom = showing ? 0.8 : 1.2;
                 var zoom = 0.8;
                 w.eyeOnScreenShowsDesktop = showing;
                 animate({
                     window: w,
                     duration: 2*eyeOnScreenEffect.duration, // "*2 for "bumper" transition
                     animations: [{
                         type: Effect.Scale,
                         curve: Effect.GaussianCurve,
                         to: zoom
                     }, {
                         type: Effect.Opacity,
                         curve: Effect.GaussianCurve,
                         to: 0.0
                     }]
                 });
             } else {
                 if (showing) {
                     animate({
                         window: w,
                         animations: [{
                             type: Effect.Scale,
                             curve: QEasingCurve.InCubic,
                             duration: eyeOnScreenEffect.duration,
                             to: 0.0
                         }, {
                             type: Effect.Position,
                             curve: QEasingCurve.InCubic,
                             duration: eyeOnScreenEffect.duration,
                             to: center
                         }, {
                             type: Effect.Opacity,
                             curve: QEasingCurve.InCubic,
                             duration: eyeOnScreenEffect.duration,
                             to: 0.0
                         }]
                     });
                 } else {
                     animate({
                         window: w,
                         duration: eyeOnScreenEffect.duration,
                         delay: eyeOnScreenEffect.duration,
                         animations: [{
                             type: Effect.Scale,
                             curve: QEasingCurve.OutCubic,
                             from: 0.0
                         }, {
                             type: Effect.Position,
                             curve: QEasingCurve.OutCubic,
                             from: center
                         }, {
                             type: Effect.Opacity,
                             curve: QEasingCurve.OutCubic,
                             from: 0.0
                         }]
                     });
                 }
             }
         }
     },
     init: function () {
         eyeOnScreenEffect.loadConfig();
         effects.showingDesktopChanged.connect(eyeOnScreenEffect.slurp);
     }
 };
 
 eyeOnScreenEffect.init();