Warning, /plasma/latte-dock/plasmoid/package/contents/ui/TasksExtendedManager.qml is written in an unsupported language. File is not indexed.

 /*
     SPDX-FileCopyrightText: 2019 Michail Vourlakos <mvourlakos@gmail.com>
     SPDX-License-Identifier: GPL-2.0-or-later
 */
 
 import QtQuick 2.0
 
 import org.kde.plasma.plasmoid 2.0
 
 //! Trying to WORKAROUND all the Plasma LibTaskManager limitations
 //! concerning Tasks AND Launchers.
 //!
 //! Plasma LibTaskManager constantly creates ADDITIONS/REMOVALS when
 //! a Task is changing its type from Launcher<->Startup<->Window.
 //! This libtaskmanager behavior limits a lot the animations that
 //! can be created in order to provide a moder user experience
 //!
 //! All the logic that is trying to improve the mentioned limits is provided
 //! from this class
 
 Item {
     id: tasksExtManager
 
     /// Launchers that are playing an ADD or REMOVAL animation
     /// and their Starups/Windows should be aware of
     property variant waitingLaunchers: []
 
     //! Launchers that must be shown IMMEDIATELY after a window removal
     //! because they are already present from a present libtaskmanager state
     property variant immediateLaunchers: []
 
     //! New launchers in order to be moved in correct place:
     //! launcher, pos)
     property variant launchersToBeMoved: []
 
     //! Launchers that are added from user actions. They can be used in order
     //! to provide addition animations properly
     property variant launchersToBeAdded: []
 
     //! Launchers that are added from user actions. They can be used in order
     //! to provide removal animations properly
     property variant launchersToBeRemoved: []
 
     //! Tasks that change state (launcher,startup,window) and
     //! at the next state must look the same concerning the parabolic effect:
     //! (id, zoom)
     property variant frozenTasks: []
 
     readonly property int launchersInPausedStateCount: launchersToBeMovedCount + launchersToBeAddedCount + launchersToBeRemovedCount
 
     property int launchersToBeMovedCount: 0 //is used to update instantly relevant bindings
     property int launchersToBeAddedCount: 0 //is used to update instantly relevant bindings
     property int launchersToBeRemovedCount: 0 //is used to update instantly relevant bindings
 
     signal waitingLauncherRemoved(string launch);
 
 
     /////////// FUNCTIONALITY ////////////////////
 
 
     /// WAITING LAUNCHERS
     function addWaitingLauncher(launch){
         arraysGarbageCollectorTimer.restart();
 
         if (waitingLauncherExists(launch)) {
             return;
         }
 
         waitingLaunchers.push(launch);
     }
 
     function removeWaitingLauncher(launch){
         for(var i=0; i<waitingLaunchers.length; ++i){
             if (equals(waitingLaunchers[i], launch)) {
                 waitingLaunchers.splice(i,1);
                 waitingLauncherRemoved(launch);
                 return;
             }
         }
     }
 
     function waitingLauncherExists(launch){
         for(var i=0; i<waitingLaunchers.length; ++i){
             if (equals(waitingLaunchers[i], launch)) {
                 return true;
             }
         }
 
         return false;
     }
 
     function equals(waitingLauncher, launcher) {
         var equals = ( launcher !== ""
                       && waitingLauncher !== ""
                       && (launcher.indexOf(waitingLauncher) >= 0 || waitingLauncher.indexOf(launcher) >= 0));
 
         return equals;
     }
 
     function waitingLaunchersLength() {
         return waitingLaunchers.length;
     }
 
     function printWaitingLaunchers() {
         console.log("WAITING LAUNCHERS ::: " + waitingLaunchers);
     }
 
     //! LAUNCHERSTOBEADDED
     function addToBeAddedLauncher(launcher){
         arraysGarbageCollectorTimer.restart();
 
         if (toBeAddedLauncherExists(launcher)) {
             return;
         }
 
         launchersToBeAdded.push(launcher);
         launchersToBeAddedCount++;
     }
 
     function removeToBeAddedLauncher(launcher){
         for(var i=0; i<launchersToBeAdded.length; ++i){
             if (equals(launchersToBeAdded[i], launcher)) {
                 launchersToBeAdded.splice(i,1);
                 launchersToBeAddedCount--;
                 return;
             }
         }
     }
 
     function toBeAddedLauncherExists(launcher) {
         for(var i=0; i<launchersToBeAdded.length; ++i){
             if (equals(launchersToBeAdded[i], launcher)) {
                 return true;
             }
         }
 
         return false;
     }
 
 
     function printToBeAddedLaunchers() {
         console.log("TO BE ADDED LAUNCHERS ::: " + launchersToBeAdded);
     }
 
     //! LAUNCHERSTOBEREMOVED
     function addToBeRemovedLauncher(launcher){
         arraysGarbageCollectorTimer.restart();
 
         if (isLauncherToBeRemoved(launcher)) {
             return;
         }
 
         launchersToBeRemoved.push(launcher);
         launchersToBeRemovedCount++;
     }
 
     function removeToBeRemovedLauncher(launcher){
         if (!isLauncherToBeRemoved(launcher)) {
             return;
         }
 
         for(var i=0; i<launchersToBeRemoved.length; ++i){
             if (launchersToBeRemoved[i] === launcher) {
                 launchersToBeRemoved.splice(i,1);
                 launchersToBeRemovedCount--;
                 return;
             }
         }
     }
 
     function isLauncherToBeRemoved(launcher) {
         return launchersToBeRemoved.indexOf(launcher)>=0;
     }
 
 
     function printToBeRemovedLaunchers() {
         console.log("TO BE REMOVED LAUNCHERS ::: " + launchersToBeRemoved);
     }
 
     //! IMMEDIATELAUNCHERS
     function addImmediateLauncher(launch){
         arraysGarbageCollectorTimer.restart();
 
         if (!immediateLauncherExists(launch)) {
             //console.log("Immediate Launcher Added::: "+launch);
             immediateLaunchers.push(launch);
         }
     }
 
     function removeImmediateLauncher(launch){
         for(var i=0; i<immediateLaunchers.length; ++i){
             if (immediateLaunchers[i]===launch) {
                 immediateLaunchers.splice(i,1);
                 //console.log("Immediate Launcher Removed::: "+launch);
                 return;
             }
         }
     }
 
     function immediateLauncherExists(launch){
         for(var i=0; i<immediateLaunchers.length; ++i){
             if (immediateLaunchers[i]===launch) {
                 return true;
             }
         }
 
         return false;
     }
 
     function printImmediateLaunchers() {
         console.log("IMMEDIATE LAUNCHERS ::: " + immediateLaunchers);
     }
     //!
 
     //! FROZENTASKS
     function getFrozenTask(identifier) {
         for(var i=0; i<frozenTasks.length; ++i) {
             if (frozenTasks[i].id === identifier) {
                 return frozenTasks[i];
             }
         }
     }
 
     function removeFrozenTask(identifier) {
         var taskIndex = -1;
         for(var i=0; i<frozenTasks.length; ++i) {
             if (frozenTasks[i].id === identifier) {
                 taskIndex = i;
             }
         }
 
         if (taskIndex > -1) {
             frozenTasks.splice(taskIndex, 1);
         }
     }
 
     function setFrozenTask(identifier, scale) {
         arraysGarbageCollectorTimer.restart();
 
         var frozenTaskExists = false;
         //console.log("SET FROZEN :: "+identifier+" - "+scale);
         var frozenTask = getFrozenTask(identifier);
 
         if (frozenTask) {
             frozenTask.zoom = scale;
         } else {
             frozenTasks.push({id: identifier, zoom: scale});
         }
     }
 
     function printFrozenTasks() {
         var fzTasks= "";
 
         for(var i=0; i<frozenTasks.length; ++i) {
             fzTasks = frozenTasks[i].id + "," + frozenTasks[i].zoom + "__";
         }
 
         console.log("FROZEN TASKS ::: " + fzTasks);
     }
 
     //! LAUNCHERSTOBEMOVED
 
     //! launchersToBeMoved, new launchers to have been added and must be repositioned
     function addLauncherToBeMoved(launcherUrl, toPos) {
         arraysGarbageCollectorTimer.restart();
 
         if (!isLauncherToBeMoved(launcherUrl)) {
             launchersToBeMoved.push({launcher: launcherUrl, pos: Math.max(0,toPos)});
             launchersToBeMovedCount++;
         }
     }
 
     function moveLauncherToCorrectPos(launcherUrl, from) {
         if (isLauncherToBeMoved(launcherUrl)) {
             launchersToBeMovedTimer.from = from;
             launchersToBeMovedTimer.to = posOfLauncherToBeMoved(launcherUrl);
             launchersToBeMovedTimer.launcherUrl = launcherUrl
 
             removeLauncherToBeMoved(launcherUrl);
             launchersToBeMovedTimer.start();
         }
     }
 
     function removeLauncherToBeMoved(launcherUrl) {
         if (isLauncherToBeMoved(launcherUrl)) {
             var sLength = launchersToBeMoved.length;
             var index = -1;
 
             for (var i=0; i<sLength; ++i) {
                 //!safety checker
                 if (i>=launchersToBeMoved.length)
                     return -1;
 
                 if (launchersToBeMoved[i].launcher === launcherUrl) {
                     index = i;
                     break;
                 }
             }
 
             if (index > -1) {
                 // console.log("removing launcher to be moved:: "+launcherUrl);
                 launchersToBeMoved.splice(index, 1);
             }
         }
     }
 
     function posOfLauncherToBeMoved(launcherUrl) {
         var sLength = launchersToBeMoved.length;
 
         for (var i=0; i<sLength; ++i) {
             //!safety checker
             if (i>=launchersToBeMoved.length)
                 return -1;
 
             if (launchersToBeMoved[i].launcher === launcherUrl)
                 return launchersToBeMoved[i].pos;
         }
 
         return -1;
     }
 
     function isLauncherToBeMoved(launcher) {
         return (posOfLauncherToBeMoved(launcher) >= 0);
     }
 
     function printToBeMovedLaunchers() {
         var tbmLaunchers= "";
 
         for(var i=0; i<launchersToBeMoved.length; ++i) {
             tbmLaunchers = launchersToBeMoved[i].launcher + "," + launchersToBeMoved[i].pos + "__";
         }
 
         console.log("TO BE MOVED LAUNCHERS ::: " + tbmLaunchers);
     }
 
     //! Connections
     Connections {
         target: appletAbilities.launchers
         onLauncherInRemoving: tasksExtManager.addToBeRemovedLauncher(launcherUrl);
         onLauncherInAdding: tasksExtManager.addToBeAddedLauncher(launcherUrl);
         onLauncherInMoving: tasksExtManager.addLauncherToBeMoved(launcherUrl, pos);
     }
 
 
     //!Trying to avoid a binding loop in TaskItem for modelLauncherUrl
     Timer {
         id: launchersToBeMovedTimer
         interval: 50
         property int from: -1
         property int to: -1
 
         property string launcherUrl: ""
 
         onTriggered: {
             tasksModel.move(from, to);
             delayedLaynchersSyncTimer.start();
         }
     }
 
     //! delay a bit  the launchers syncing in order to avoid a crash
     //! the crash was caused from TasksExtendedManager when adding and moving a launcher (e.g. internal separator)
     //! and there were more than one synced docks
     Timer {
         id: delayedLaynchersSyncTimer
         interval: 450
         onTriggered: {
             tasksModel.syncLaunchers();
             appletAbilities.launchers.validateSyncedLaunchersOrder();
             //! In case there are multiple launchers in moving state
             launchersToBeMovedCount = 0;
         }
     }
 
 
     //! Timer to clean up all arrays used from TasksExtendedManager after a specified interval
     //! The arrays may have ghost records that were not used from animations or other plasmoid parts.
     //! Each record of the arrays is usually only a matter of secs to be used, cleaning them after
     //! a big interval from the last addition it is safe
     Timer {
         id: arraysGarbageCollectorTimer
         interval: 30 * 1000
         onTriggered: {
             console.log(" TASKS EXTENDED MANAGER Garbage Collector...");
             tasksExtManager.printImmediateLaunchers();
             tasksExtManager.printToBeAddedLaunchers();
             tasksExtManager.printToBeMovedLaunchers();
             tasksExtManager.printToBeRemovedLaunchers();
             tasksExtManager.printWaitingLaunchers();
             tasksExtManager.printFrozenTasks();
 
             immediateLaunchers.splice(0, immediateLaunchers.length);
             launchersToBeAdded.splice(0, launchersToBeAdded.length);
             launchersToBeMoved.splice(0, launchersToBeMoved.length);
             launchersToBeRemoved.splice(0, launchersToBeRemoved.length);
             waitingLaunchers.splice(0, waitingLaunchers.length);
             frozenTasks.splice(0, frozenTasks.length);
 
             //! clear up launchers counters
             tasksExtManager.launchersToBeMovedCount = 0;
             tasksExtManager.launchersToBeAddedCount = 0;
             tasksExtManager.launchersToBeRemovedCount = 0;
         }
     }
 }