587 lines
20 KiB
JavaScript
587 lines
20 KiB
JavaScript
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/*
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* Credits:
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* This file is based on code from the Dash to Panel extension by Jason DeRose
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* and code from the Taskbar extension by Zorin OS
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* Some code was also adapted from the upstream Gnome Shell source code.
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*/
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const Clutter = imports.gi.Clutter;
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const GLib = imports.gi.GLib;
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const GObject = imports.gi.GObject;
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const St = imports.gi.St;
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const Mainloop = imports.mainloop;
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const Main = imports.ui.main;
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const Gtk = imports.gi.Gtk;
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const Params = imports.misc.params;
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const PopupMenu = imports.ui.popupMenu;
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const Workspace = imports.ui.workspace;
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const Me = imports.misc.extensionUtils.getCurrentExtension();
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const Utils = Me.imports.utils;
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const PREVIEW_MAX_WIDTH = 250;
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const PREVIEW_MAX_HEIGHT = 150;
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const PREVIEW_ANIMATION_DURATION = 250;
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var WindowPreviewMenu = class DashToDock_WindowPreviewMenu extends PopupMenu.PopupMenu {
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constructor(source) {
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let side = Utils.getPosition();
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super(source.actor, 0.5, side);
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// We want to keep the item hovered while the menu is up
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this.blockSourceEvents = true;
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this._source = source;
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this._app = this._source.app;
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let monitorIndex = this._source.monitorIndex;
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this.actor.add_style_class_name('app-well-menu');
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this.actor.set_style('max-width: ' + (Main.layoutManager.monitors[monitorIndex].width - 22) + 'px; ' +
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'max-height: ' + (Main.layoutManager.monitors[monitorIndex].height - 22) + 'px;');
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this.actor.hide();
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// Chain our visibility and lifecycle to that of the source
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this._mappedId = this._source.actor.connect('notify::mapped', () => {
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if (!this._source.actor.mapped)
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this.close();
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});
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this._destroyId = this._source.actor.connect('destroy', this.destroy.bind(this));
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Main.uiGroup.add_actor(this.actor);
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// Change the initialized side where required.
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this._arrowSide = side;
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this._boxPointer._arrowSide = side;
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this._boxPointer._userArrowSide = side;
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this.connect('destroy', this._onDestroy.bind(this));
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}
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_redisplay() {
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if (this._previewBox)
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this._previewBox.destroy();
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this._previewBox = new WindowPreviewList(this._source);
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this.addMenuItem(this._previewBox);
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this._previewBox._redisplay();
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}
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popup() {
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let windows = this._source.getInterestingWindows();
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if (windows.length > 0) {
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this._redisplay();
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this.open();
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this.actor.navigate_focus(null, Gtk.DirectionType.TAB_FORWARD, false);
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this._source.emit('sync-tooltip');
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}
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}
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_onDestroy() {
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if (this._mappedId)
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this._source.actor.disconnect(this._mappedId);
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if (this._destroyId)
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this._source.actor.disconnect(this._destroyId);
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}
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};
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var WindowPreviewList = class DashToDock_WindowPreviewList extends PopupMenu.PopupMenuSection {
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constructor(source) {
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super();
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this.actor = new St.ScrollView({ name: 'dashtodockWindowScrollview',
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hscrollbar_policy: Gtk.PolicyType.NEVER,
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vscrollbar_policy: Gtk.PolicyType.NEVER,
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enable_mouse_scrolling: true });
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this.actor.connect('scroll-event', this._onScrollEvent.bind(this));
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let position = Utils.getPosition();
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this.isHorizontal = position == St.Side.BOTTOM || position == St.Side.TOP;
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this.box.set_vertical(!this.isHorizontal);
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this.box.set_name('dashtodockWindowList');
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this.actor.add_actor(this.box);
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this.actor._delegate = this;
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this._shownInitially = false;
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this._source = source;
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this.app = source.app;
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this._redisplayId = Main.initializeDeferredWork(this.actor, this._redisplay.bind(this));
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this.actor.connect('destroy', this._onDestroy.bind(this));
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this._stateChangedId = this.app.connect('windows-changed',
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this._queueRedisplay.bind(this));
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}
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_queueRedisplay () {
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Main.queueDeferredWork(this._redisplayId);
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}
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_onScrollEvent(actor, event) {
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// Event coordinates are relative to the stage but can be transformed
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// as the actor will only receive events within his bounds.
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let stage_x, stage_y, ok, event_x, event_y, actor_w, actor_h;
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[stage_x, stage_y] = event.get_coords();
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[ok, event_x, event_y] = actor.transform_stage_point(stage_x, stage_y);
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[actor_w, actor_h] = actor.get_size();
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// If the scroll event is within a 1px margin from
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// the relevant edge of the actor, let the event propagate.
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if (event_y >= actor_h - 2)
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return Clutter.EVENT_PROPAGATE;
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// Skip to avoid double events mouse
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if (event.is_pointer_emulated())
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return Clutter.EVENT_STOP;
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let adjustment, delta;
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if (this.isHorizontal)
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adjustment = this.actor.get_hscroll_bar().get_adjustment();
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else
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adjustment = this.actor.get_vscroll_bar().get_adjustment();
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let increment = adjustment.step_increment;
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switch ( event.get_scroll_direction() ) {
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case Clutter.ScrollDirection.UP:
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delta = -increment;
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break;
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case Clutter.ScrollDirection.DOWN:
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delta = +increment;
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break;
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case Clutter.ScrollDirection.SMOOTH:
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let [dx, dy] = event.get_scroll_delta();
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delta = dy*increment;
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delta += dx*increment;
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break;
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}
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adjustment.set_value(adjustment.get_value() + delta);
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return Clutter.EVENT_STOP;
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}
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_onDestroy() {
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this.app.disconnect(this._stateChangedId);
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this._stateChangedId = 0;
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}
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_createPreviewItem(window) {
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let preview = new WindowPreviewMenuItem(window);
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return preview;
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}
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_redisplay () {
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let children = this._getMenuItems().filter(function(actor) {
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return actor._window;
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});
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// Windows currently on the menu
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let oldWin = children.map(function(actor) {
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return actor._window;
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});
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// All app windows with a static order
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let newWin = this._source.getInterestingWindows().sort(function(a, b) {
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return a.get_stable_sequence() > b.get_stable_sequence();
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});
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let addedItems = [];
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let removedActors = [];
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let newIndex = 0;
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let oldIndex = 0;
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while (newIndex < newWin.length || oldIndex < oldWin.length) {
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// No change at oldIndex/newIndex
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if (oldWin[oldIndex] &&
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oldWin[oldIndex] == newWin[newIndex]) {
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oldIndex++;
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newIndex++;
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continue;
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}
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// Window removed at oldIndex
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if (oldWin[oldIndex] &&
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newWin.indexOf(oldWin[oldIndex]) == -1) {
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removedActors.push(children[oldIndex]);
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oldIndex++;
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continue;
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}
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// Window added at newIndex
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if (newWin[newIndex] &&
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oldWin.indexOf(newWin[newIndex]) == -1) {
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addedItems.push({ item: this._createPreviewItem(newWin[newIndex]),
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pos: newIndex });
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newIndex++;
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continue;
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}
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// Window moved
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let insertHere = newWin[newIndex + 1] &&
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newWin[newIndex + 1] == oldWin[oldIndex];
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let alreadyRemoved = removedActors.reduce(function(result, actor) {
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let removedWin = actor._window;
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return result || removedWin == newWin[newIndex];
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}, false);
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if (insertHere || alreadyRemoved) {
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addedItems.push({ item: this._createPreviewItem(newWin[newIndex]),
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pos: newIndex + removedActors.length });
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newIndex++;
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} else {
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removedActors.push(children[oldIndex]);
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oldIndex++;
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}
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}
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for (let i = 0; i < addedItems.length; i++)
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this.addMenuItem(addedItems[i].item,
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addedItems[i].pos);
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for (let i = 0; i < removedActors.length; i++) {
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let item = removedActors[i];
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if (this._shownInitially)
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item._animateOutAndDestroy();
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else
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item.actor.destroy();
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}
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// Skip animations on first run when adding the initial set
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// of items, to avoid all items zooming in at once
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let animate = this._shownInitially;
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if (!this._shownInitially)
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this._shownInitially = true;
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for (let i = 0; i < addedItems.length; i++)
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addedItems[i].item.show(animate);
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// Workaround for https://bugzilla.gnome.org/show_bug.cgi?id=692744
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// Without it, StBoxLayout may use a stale size cache
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this.box.queue_relayout();
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if (newWin.length < 1)
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this._getTopMenu().close(~0);
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// As for upstream:
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// St.ScrollView always requests space horizontally for a possible vertical
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// scrollbar if in AUTOMATIC mode. Doing better would require implementation
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// of width-for-height in St.BoxLayout and St.ScrollView. This looks bad
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// when we *don't* need it, so turn off the scrollbar when that's true.
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// Dynamic changes in whether we need it aren't handled properly.
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let needsScrollbar = this._needsScrollbar();
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let scrollbar_policy = needsScrollbar ? Gtk.PolicyType.AUTOMATIC : Gtk.PolicyType.NEVER;
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if (this.isHorizontal)
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this.actor.hscrollbar_policy = scrollbar_policy;
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else
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this.actor.vscrollbar_policy = scrollbar_policy;
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if (needsScrollbar)
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this.actor.add_style_pseudo_class('scrolled');
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else
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this.actor.remove_style_pseudo_class('scrolled');
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}
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_needsScrollbar() {
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let topMenu = this._getTopMenu();
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let topThemeNode = topMenu.actor.get_theme_node();
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if (this.isHorizontal) {
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let [topMinWidth, topNaturalWidth] = topMenu.actor.get_preferred_width(-1);
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let topMaxWidth = topThemeNode.get_max_width();
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return topMaxWidth >= 0 && topNaturalWidth >= topMaxWidth;
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} else {
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let [topMinHeight, topNaturalHeight] = topMenu.actor.get_preferred_height(-1);
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let topMaxHeight = topThemeNode.get_max_height();
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return topMaxHeight >= 0 && topNaturalHeight >= topMaxHeight;
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}
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}
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isAnimatingOut() {
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return this.actor.get_children().reduce(function(result, actor) {
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return result || actor.animatingOut;
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}, false);
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}
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};
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var WindowPreviewMenuItem = GObject.registerClass(
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class DashToDock_WindowPreviewMenuItem extends PopupMenu.PopupBaseMenuItem {
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_init(window, params) {
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super._init(params);
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this._window = window;
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this._destroyId = 0;
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this._windowAddedId = 0;
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// We don't want this: it adds spacing on the left of the item.
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this.remove_child(this._ornamentLabel);
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this.add_style_class_name('dashtodock-app-well-preview-menu-item');
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this._cloneBin = new St.Bin();
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this._cloneBin.set_size(PREVIEW_MAX_WIDTH, PREVIEW_MAX_HEIGHT);
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// TODO: improve the way the closebutton is layout. Just use some padding
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// for the moment.
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this._cloneBin.set_style('padding-bottom: 0.5em');
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this.closeButton = new St.Button({ style_class: 'window-close',
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x_expand: true,
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y_expand: true});
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this.closeButton.add_actor(new St.Icon({ icon_name: 'window-close-symbolic' }));
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this.closeButton.set_x_align(Clutter.ActorAlign.END);
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this.closeButton.set_y_align(Clutter.ActorAlign.START);
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this.closeButton.opacity = 0;
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this.closeButton.connect('clicked', this._closeWindow.bind(this));
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let overlayGroup = new Clutter.Actor({layout_manager: new Clutter.BinLayout() });
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overlayGroup.add_actor(this._cloneBin);
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overlayGroup.add_actor(this.closeButton);
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let label = new St.Label({ text: window.get_title()});
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label.set_style('max-width: '+PREVIEW_MAX_WIDTH +'px');
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let labelBin = new St.Bin({ child: label,
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x_align: St.Align.MIDDLE});
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this._windowTitleId = this._window.connect('notify::title', () => {
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label.set_text(this._window.get_title());
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});
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let box = new St.BoxLayout({ vertical: true,
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reactive:true,
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x_expand:true });
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box.add(overlayGroup);
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box.add(labelBin);
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this.add_actor(box);
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this.connect('enter-event', this._onEnter.bind(this));
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this.connect('leave-event', this._onLeave.bind(this));
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this.connect('key-focus-in', this._onEnter.bind(this));
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this.connect('key-focus-out', this._onLeave.bind(this));
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this._cloneTexture(window);
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}
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|
|
_cloneTexture(metaWin){
|
||
|
|
|
||
|
|
let mutterWindow = metaWin.get_compositor_private();
|
||
|
|
|
||
|
|
// Newly-created windows are added to a workspace before
|
||
|
|
// the compositor finds out about them...
|
||
|
|
// Moreover sometimes they return an empty texture, thus as a workarounf also check for it size
|
||
|
|
if (!mutterWindow || !mutterWindow.get_texture() || !mutterWindow.get_size()[0]) {
|
||
|
|
this._cloneTextureId = Mainloop.idle_add(() => {
|
||
|
|
// Check if there's still a point in getting the texture,
|
||
|
|
// otherwise this could go on indefinitely
|
||
|
|
if (metaWin.get_workspace())
|
||
|
|
this._cloneTexture(metaWin);
|
||
|
|
this._cloneTextureId = 0;
|
||
|
|
return GLib.SOURCE_REMOVE;
|
||
|
|
});
|
||
|
|
GLib.Source.set_name_by_id(this._cloneTextureId, '[dash-to-dock] this._cloneTexture');
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
|
||
|
|
let [width, height] = mutterWindow.get_size();
|
||
|
|
let scale = Math.min(1.0, PREVIEW_MAX_WIDTH/width, PREVIEW_MAX_HEIGHT/height);
|
||
|
|
let clone = new Clutter.Clone ({ source: mutterWindow,
|
||
|
|
reactive: true,
|
||
|
|
width: width * scale,
|
||
|
|
height: height * scale });
|
||
|
|
|
||
|
|
// when the source actor is destroyed, i.e. the window closed, first destroy the clone
|
||
|
|
// and then destroy the menu item (do this animating out)
|
||
|
|
this._destroyId = mutterWindow.connect('destroy', () => {
|
||
|
|
clone.destroy();
|
||
|
|
this._destroyId = 0; // avoid to try to disconnect this signal from mutterWindow in _onDestroy(),
|
||
|
|
// as the object was just destroyed
|
||
|
|
this._animateOutAndDestroy();
|
||
|
|
});
|
||
|
|
|
||
|
|
this._clone = clone;
|
||
|
|
this._mutterWindow = mutterWindow;
|
||
|
|
this._cloneBin.set_child(this._clone);
|
||
|
|
|
||
|
|
this._clone.connect('destroy', () => {
|
||
|
|
if (this._destroyId) {
|
||
|
|
mutterWindow.disconnect(this._destroyId);
|
||
|
|
this._destroyId = 0;
|
||
|
|
}
|
||
|
|
this._clone = null;
|
||
|
|
})
|
||
|
|
}
|
||
|
|
|
||
|
|
_windowCanClose() {
|
||
|
|
return this._window.can_close() &&
|
||
|
|
!this._hasAttachedDialogs();
|
||
|
|
}
|
||
|
|
|
||
|
|
_closeWindow(actor) {
|
||
|
|
this._workspace = this._window.get_workspace();
|
||
|
|
|
||
|
|
// This mechanism is copied from the workspace.js upstream code
|
||
|
|
// It forces window activation if the windows don't get closed,
|
||
|
|
// for instance because asking user confirmation, by monitoring the opening of
|
||
|
|
// such additional confirmation window
|
||
|
|
this._windowAddedId = this._workspace.connect('window-added',
|
||
|
|
this._onWindowAdded.bind(this));
|
||
|
|
|
||
|
|
this.deleteAllWindows();
|
||
|
|
}
|
||
|
|
|
||
|
|
deleteAllWindows() {
|
||
|
|
// Delete all windows, starting from the bottom-most (most-modal) one
|
||
|
|
//let windows = this._window.get_compositor_private().get_children();
|
||
|
|
let windows = this._clone.get_children();
|
||
|
|
for (let i = windows.length - 1; i >= 1; i--) {
|
||
|
|
let realWindow = windows[i].source;
|
||
|
|
let metaWindow = realWindow.meta_window;
|
||
|
|
|
||
|
|
metaWindow.delete(global.get_current_time());
|
||
|
|
}
|
||
|
|
|
||
|
|
this._window.delete(global.get_current_time());
|
||
|
|
}
|
||
|
|
|
||
|
|
_onWindowAdded(workspace, win) {
|
||
|
|
let metaWindow = this._window;
|
||
|
|
|
||
|
|
if (win.get_transient_for() == metaWindow) {
|
||
|
|
workspace.disconnect(this._windowAddedId);
|
||
|
|
this._windowAddedId = 0;
|
||
|
|
|
||
|
|
// use an idle handler to avoid mapping problems -
|
||
|
|
// see comment in Workspace._windowAdded
|
||
|
|
let activationEvent = Clutter.get_current_event();
|
||
|
|
let id = Mainloop.idle_add(() => {
|
||
|
|
this.emit('activate', activationEvent);
|
||
|
|
return GLib.SOURCE_REMOVE;
|
||
|
|
});
|
||
|
|
GLib.Source.set_name_by_id(id, '[dash-to-dock] this.emit');
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
_hasAttachedDialogs() {
|
||
|
|
// count trasient windows
|
||
|
|
let n=0;
|
||
|
|
this._window.foreach_transient(function(){n++;});
|
||
|
|
return n>0;
|
||
|
|
}
|
||
|
|
|
||
|
|
_onEnter() {
|
||
|
|
this._showCloseButton();
|
||
|
|
return Clutter.EVENT_PROPAGATE;
|
||
|
|
}
|
||
|
|
|
||
|
|
_onLeave() {
|
||
|
|
if (!this._cloneBin.has_pointer &&
|
||
|
|
!this.closeButton.has_pointer)
|
||
|
|
this._hideCloseButton();
|
||
|
|
|
||
|
|
return Clutter.EVENT_PROPAGATE;
|
||
|
|
}
|
||
|
|
|
||
|
|
_idleToggleCloseButton() {
|
||
|
|
this._idleToggleCloseId = 0;
|
||
|
|
|
||
|
|
if (!this._cloneBin.has_pointer &&
|
||
|
|
!this.closeButton.has_pointer)
|
||
|
|
this._hideCloseButton();
|
||
|
|
|
||
|
|
return GLib.SOURCE_REMOVE;
|
||
|
|
}
|
||
|
|
|
||
|
|
_showCloseButton() {
|
||
|
|
|
||
|
|
if (this._windowCanClose()) {
|
||
|
|
this.closeButton.show();
|
||
|
|
this.closeButton.remove_all_transitions();
|
||
|
|
this.closeButton.ease({
|
||
|
|
opacity: 255,
|
||
|
|
duration: Workspace.WINDOW_OVERLAY_FADE_TIME,
|
||
|
|
mode: Clutter.AnimationMode.EASE_OUT_QUAD
|
||
|
|
});
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
_hideCloseButton() {
|
||
|
|
this.closeButton.remove_all_transitions();
|
||
|
|
this.closeButton.ease({
|
||
|
|
opacity: 0,
|
||
|
|
duration: Workspace.WINDOW_OVERLAY_FADE_TIME,
|
||
|
|
mode: Clutter.AnimationMode.EASE_IN_QUAD
|
||
|
|
});
|
||
|
|
}
|
||
|
|
|
||
|
|
show(animate) {
|
||
|
|
let fullWidth = this.get_width();
|
||
|
|
|
||
|
|
this.opacity = 0;
|
||
|
|
this.set_width(0);
|
||
|
|
|
||
|
|
let time = animate ? PREVIEW_ANIMATION_DURATION : 0;
|
||
|
|
this.remove_all_transitions();
|
||
|
|
this.ease({
|
||
|
|
opacity: 255,
|
||
|
|
width: fullWidth,
|
||
|
|
duration: time,
|
||
|
|
mode: Clutter.AnimationMode.EASE_IN_OUT_QUAD,
|
||
|
|
});
|
||
|
|
}
|
||
|
|
|
||
|
|
_animateOutAndDestroy() {
|
||
|
|
this.remove_all_transitions();
|
||
|
|
this.ease({
|
||
|
|
opacity: 0,
|
||
|
|
duration: PREVIEW_ANIMATION_DURATION,
|
||
|
|
});
|
||
|
|
|
||
|
|
this.ease({
|
||
|
|
width: 0,
|
||
|
|
height: 0,
|
||
|
|
duration: PREVIEW_ANIMATION_DURATION,
|
||
|
|
delay: PREVIEW_ANIMATION_DURATION,
|
||
|
|
onComplete: () => this.destroy()
|
||
|
|
});
|
||
|
|
}
|
||
|
|
|
||
|
|
activate() {
|
||
|
|
this._getTopMenu().close();
|
||
|
|
Main.activateWindow(this._window);
|
||
|
|
}
|
||
|
|
|
||
|
|
_onDestroy() {
|
||
|
|
super._onDestroy();
|
||
|
|
|
||
|
|
if (this._cloneTextureId) {
|
||
|
|
GLib.source_remove(this._cloneTextureId);
|
||
|
|
this._cloneTextureId = 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
if (this._windowAddedId > 0) {
|
||
|
|
this._workspace.disconnect(this._windowAddedId);
|
||
|
|
this._windowAddedId = 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
if (this._destroyId > 0) {
|
||
|
|
this._mutterWindow.disconnect(this._destroyId);
|
||
|
|
this._destroyId = 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
if (this._windowTitleId > 0) {
|
||
|
|
this._window.disconnect(this._windowTitleId);
|
||
|
|
this._windowTitleId = 0;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
});
|