728 lines
22 KiB
JavaScript
728 lines
22 KiB
JavaScript
// -*- mode: js; js-indent-level: 4; indent-tabs-mode: nil -*-
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import Clutter from 'gi://Clutter';
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import Gio from 'gi://Gio';
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import GLib from 'gi://GLib';
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import GObject from 'gi://GObject';
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import Meta from 'gi://Meta';
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import Shell from 'gi://Shell';
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import St from 'gi://St';
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import * as Signals from '../misc/signals.js';
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// Time for initial animation going into Overview mode;
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// this is defined here to make it available in imports.
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export const ANIMATION_TIME = 250;
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import * as DND from './dnd.js';
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import * as LayoutManager from './layout.js';
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import * as Main from './main.js';
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import * as MessageTray from './messageTray.js';
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import * as OverviewControls from './overviewControls.js';
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import * as Params from '../misc/params.js';
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import * as SwipeTracker from './swipeTracker.js';
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import * as WindowManager from './windowManager.js';
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import * as WorkspaceThumbnail from './workspaceThumbnail.js';
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const DND_WINDOW_SWITCH_TIMEOUT = 750;
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const OVERVIEW_ACTIVATION_TIMEOUT = 0.5;
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class ShellInfo {
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constructor() {
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this._source = null;
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}
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setMessage(text, options) {
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options = Params.parse(options, {
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undoCallback: null,
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forFeedback: false,
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});
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let undoCallback = options.undoCallback;
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let forFeedback = options.forFeedback;
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if (this._source == null) {
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this._source = new MessageTray.SystemNotificationSource();
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this._source.connect('destroy', () => {
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this._source = null;
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});
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Main.messageTray.add(this._source);
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}
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let notification = null;
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if (this._source.notifications.length == 0) {
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notification = new MessageTray.Notification(this._source, text, null);
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notification.setTransient(true);
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notification.setForFeedback(forFeedback);
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} else {
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notification = this._source.notifications[0];
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notification.update(text, null, { clear: true });
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}
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if (undoCallback)
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notification.addAction(_('Undo'), () => undoCallback());
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this._source.showNotification(notification);
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}
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}
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const OverviewActor = GObject.registerClass(
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class OverviewActor extends St.BoxLayout {
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_init() {
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super._init({
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name: 'overview',
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/* Translators: This is the main view to select
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activities. See also note for "Activities" string. */
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accessible_name: _("Overview"),
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vertical: true,
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});
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this.add_constraint(new LayoutManager.MonitorConstraint({ primary: true }));
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this._controls = new OverviewControls.ControlsManager();
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this.add_child(this._controls);
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}
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prepareToEnterOverview() {
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this._controls.prepareToEnterOverview();
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}
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prepareToLeaveOverview() {
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this._controls.prepareToLeaveOverview();
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}
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animateToOverview(state, callback) {
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this._controls.animateToOverview(state, callback);
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}
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animateFromOverview(callback) {
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this._controls.animateFromOverview(callback);
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}
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runStartupAnimation(callback) {
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this._controls.runStartupAnimation(callback);
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}
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get dash() {
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return this._controls.dash;
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}
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get searchController() {
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return this._controls.searchController;
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}
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get searchEntry() {
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return this._controls.searchEntry;
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}
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get controls() {
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return this._controls;
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}
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});
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const OverviewShownState = {
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HIDDEN: 'HIDDEN',
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HIDING: 'HIDING',
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SHOWING: 'SHOWING',
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SHOWN: 'SHOWN',
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};
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const OVERVIEW_SHOWN_TRANSITIONS = {
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[OverviewShownState.HIDDEN]: {
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signal: 'hidden',
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allowedTransitions: [OverviewShownState.SHOWING],
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},
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[OverviewShownState.HIDING]: {
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signal: 'hiding',
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allowedTransitions:
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[OverviewShownState.HIDDEN, OverviewShownState.SHOWING],
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},
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[OverviewShownState.SHOWING]: {
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signal: 'showing',
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allowedTransitions:
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[OverviewShownState.SHOWN, OverviewShownState.HIDING],
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},
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[OverviewShownState.SHOWN]: {
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signal: 'shown',
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allowedTransitions: [OverviewShownState.HIDING],
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},
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};
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export class Overview extends Signals.EventEmitter {
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constructor() {
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super();
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this._initCalled = false;
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this._visible = false;
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Main.sessionMode.connect('updated', this._sessionUpdated.bind(this));
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this._sessionUpdated();
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}
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get dash() {
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return this._overview.dash;
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}
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get dashIconSize() {
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logError(new Error('Usage of Overview.\'dashIconSize\' is deprecated, ' +
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'use \'dash.iconSize\' property instead'));
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return this.dash.iconSize;
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}
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get animationInProgress() {
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return this._animationInProgress;
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}
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get visible() {
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return this._visible;
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}
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get visibleTarget() {
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return this._visibleTarget;
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}
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get closing() {
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return this._animationInProgress && !this._visibleTarget;
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}
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_createOverview() {
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if (this._overview)
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return;
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if (this.isDummy)
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return;
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this._activationTime = 0;
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this._visible = false; // animating to overview, in overview, animating out
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this._shown = false; // show() and not hide()
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this._modal = false; // have a modal grab
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this._animationInProgress = false;
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this._visibleTarget = false;
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this._shownState = OverviewShownState.HIDDEN;
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// During transitions, we raise this to the top to avoid having the overview
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// area be reactive; it causes too many issues such as double clicks on
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// Dash elements, or mouseover handlers in the workspaces.
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this._coverPane = new Clutter.Actor({
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opacity: 0,
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reactive: true,
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});
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Main.layoutManager.overviewGroup.add_child(this._coverPane);
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this._coverPane.connect('event', (_actor, event) => {
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return event.type() === Clutter.EventType.ENTER ||
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event.type() === Clutter.EventType.LEAVE
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? Clutter.EVENT_PROPAGATE : Clutter.EVENT_STOP;
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});
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this._coverPane.hide();
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// XDND
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this._dragMonitor = {
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dragMotion: this._onDragMotion.bind(this),
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};
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Main.layoutManager.overviewGroup.connect('scroll-event',
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this._onScrollEvent.bind(this));
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Main.xdndHandler.connect('drag-begin', this._onDragBegin.bind(this));
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Main.xdndHandler.connect('drag-end', this._onDragEnd.bind(this));
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global.display.connect('restacked', this._onRestacked.bind(this));
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this._windowSwitchTimeoutId = 0;
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this._windowSwitchTimestamp = 0;
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this._lastActiveWorkspaceIndex = -1;
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this._lastHoveredWindow = null;
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if (this._initCalled)
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this.init();
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}
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_sessionUpdated() {
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const { hasOverview } = Main.sessionMode;
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if (!hasOverview)
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this.hide();
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this.isDummy = !hasOverview;
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this._createOverview();
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}
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// The members we construct that are implemented in JS might
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// want to access the overview as Main.overview to connect
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// signal handlers and so forth. So we create them after
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// construction in this init() method.
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init() {
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this._initCalled = true;
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if (this.isDummy)
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return;
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this._overview = new OverviewActor();
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this._overview._delegate = this;
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Main.layoutManager.overviewGroup.add_child(this._overview);
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this._shellInfo = new ShellInfo();
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Main.layoutManager.connect('monitors-changed', this._relayout.bind(this));
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this._relayout();
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Main.wm.addKeybinding(
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'toggle-overview',
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new Gio.Settings({ schema_id: WindowManager.SHELL_KEYBINDINGS_SCHEMA }),
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Meta.KeyBindingFlags.IGNORE_AUTOREPEAT,
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Shell.ActionMode.NORMAL | Shell.ActionMode.OVERVIEW,
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this.toggle.bind(this));
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const swipeTracker = new SwipeTracker.SwipeTracker(global.stage,
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Clutter.Orientation.VERTICAL,
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Shell.ActionMode.NORMAL | Shell.ActionMode.OVERVIEW,
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{ allowDrag: false, allowScroll: false });
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swipeTracker.orientation = Clutter.Orientation.VERTICAL;
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swipeTracker.connect('begin', this._gestureBegin.bind(this));
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swipeTracker.connect('update', this._gestureUpdate.bind(this));
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swipeTracker.connect('end', this._gestureEnd.bind(this));
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this._swipeTracker = swipeTracker;
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}
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//
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// options:
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// - undoCallback (function): the callback to be called if undo support is needed
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// - forFeedback (boolean): whether the message is for direct feedback of a user action
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//
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setMessage(text, options) {
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if (this.isDummy)
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return;
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this._shellInfo.setMessage(text, options);
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}
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_changeShownState(state) {
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const {allowedTransitions} =
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OVERVIEW_SHOWN_TRANSITIONS[this._shownState];
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if (!allowedTransitions.includes(state)) {
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throw new Error('Invalid overview shown transition from ' +
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`${this._shownState} to ${state}`);
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}
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this._shownState = state;
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this.emit(OVERVIEW_SHOWN_TRANSITIONS[state].signal);
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}
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_onDragBegin() {
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this._inXdndDrag = true;
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DND.addDragMonitor(this._dragMonitor);
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// Remember the workspace we started from
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let workspaceManager = global.workspace_manager;
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this._lastActiveWorkspaceIndex = workspaceManager.get_active_workspace_index();
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}
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_onDragEnd() {
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this._inXdndDrag = false;
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// In case the drag was canceled while in the overview
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// we have to go back to where we started and hide
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// the overview
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if (this._shown) {
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let workspaceManager = global.workspace_manager;
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workspaceManager.get_workspace_by_index(this._lastActiveWorkspaceIndex)
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.activate(global.get_current_time());
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this.hide();
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}
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this._resetWindowSwitchTimeout();
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this._lastHoveredWindow = null;
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DND.removeDragMonitor(this._dragMonitor);
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this.endItemDrag();
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}
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_resetWindowSwitchTimeout() {
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if (this._windowSwitchTimeoutId != 0) {
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GLib.source_remove(this._windowSwitchTimeoutId);
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this._windowSwitchTimeoutId = 0;
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}
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}
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_onDragMotion(dragEvent) {
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let targetIsWindow = dragEvent.targetActor &&
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dragEvent.targetActor._delegate &&
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dragEvent.targetActor._delegate.metaWindow &&
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!(dragEvent.targetActor._delegate instanceof WorkspaceThumbnail.WindowClone);
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this._windowSwitchTimestamp = global.get_current_time();
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if (targetIsWindow &&
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dragEvent.targetActor._delegate.metaWindow == this._lastHoveredWindow)
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return DND.DragMotionResult.CONTINUE;
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this._lastHoveredWindow = null;
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this._resetWindowSwitchTimeout();
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if (targetIsWindow) {
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this._lastHoveredWindow = dragEvent.targetActor._delegate.metaWindow;
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this._windowSwitchTimeoutId = GLib.timeout_add(
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GLib.PRIORITY_DEFAULT,
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DND_WINDOW_SWITCH_TIMEOUT,
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() => {
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this._windowSwitchTimeoutId = 0;
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Main.activateWindow(dragEvent.targetActor._delegate.metaWindow,
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this._windowSwitchTimestamp);
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this.hide();
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this._lastHoveredWindow = null;
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return GLib.SOURCE_REMOVE;
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});
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GLib.Source.set_name_by_id(this._windowSwitchTimeoutId, '[gnome-shell] Main.activateWindow');
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}
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return DND.DragMotionResult.CONTINUE;
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}
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_onScrollEvent(actor, event) {
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this.emit('scroll-event', event);
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return Clutter.EVENT_PROPAGATE;
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}
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_relayout() {
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// To avoid updating the position and size of the workspaces
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// we just hide the overview. The positions will be updated
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// when it is next shown.
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this.hide();
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this._coverPane.set_position(0, 0);
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this._coverPane.set_size(global.screen_width, global.screen_height);
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}
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_onRestacked() {
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let stack = global.get_window_actors();
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let stackIndices = {};
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for (let i = 0; i < stack.length; i++) {
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// Use the stable sequence for an integer to use as a hash key
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stackIndices[stack[i].get_meta_window().get_stable_sequence()] = i;
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}
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this.emit('windows-restacked', stackIndices);
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}
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_gestureBegin(tracker) {
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this._overview.controls.gestureBegin(tracker);
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}
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_gestureUpdate(tracker, progress) {
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if (!this._shown) {
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Meta.disable_unredirect_for_display(global.display);
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this._shown = true;
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this._visible = true;
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this._visibleTarget = true;
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this._animationInProgress = true;
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Main.layoutManager.overviewGroup.set_child_above_sibling(
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this._coverPane, null);
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this._coverPane.show();
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this._changeShownState(OverviewShownState.SHOWING);
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Main.layoutManager.showOverview();
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this._syncGrab();
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}
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this._overview.controls.gestureProgress(progress);
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}
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_gestureEnd(tracker, duration, endProgress) {
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let onComplete;
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if (endProgress === 0) {
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this._shown = false;
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this._visibleTarget = false;
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this._changeShownState(OverviewShownState.HIDING);
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Main.panel.style = `transition-duration: ${duration}ms;`;
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onComplete = () => this._hideDone();
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} else {
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onComplete = () => this._showDone();
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}
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this._overview.controls.gestureEnd(endProgress, duration, onComplete);
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}
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beginItemDrag(source) {
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this.emit('item-drag-begin', source);
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this._inItemDrag = true;
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}
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cancelledItemDrag(source) {
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this.emit('item-drag-cancelled', source);
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}
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endItemDrag(source) {
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if (!this._inItemDrag)
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return;
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this.emit('item-drag-end', source);
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this._inItemDrag = false;
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}
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beginWindowDrag(window) {
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this.emit('window-drag-begin', window);
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this._inWindowDrag = true;
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}
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cancelledWindowDrag(window) {
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this.emit('window-drag-cancelled', window);
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}
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endWindowDrag(window) {
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if (!this._inWindowDrag)
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return;
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this.emit('window-drag-end', window);
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this._inWindowDrag = false;
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}
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focusSearch() {
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this.show();
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this._overview.searchEntry.grab_key_focus();
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}
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// Checks if the Activities button is currently sensitive to
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// clicks. The first call to this function within the
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// OVERVIEW_ACTIVATION_TIMEOUT time of the hot corner being
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// triggered will return false. This avoids opening and closing
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// the overview if the user both triggered the hot corner and
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// clicked the Activities button.
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shouldToggleByCornerOrButton() {
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if (this._animationInProgress)
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return false;
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if (this._inItemDrag || this._inWindowDrag)
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return false;
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if (!this._activationTime ||
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GLib.get_monotonic_time() / GLib.USEC_PER_SEC - this._activationTime > OVERVIEW_ACTIVATION_TIMEOUT)
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return true;
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return false;
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}
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_syncGrab() {
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// We delay grab changes during animation so that when removing the
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// overview we don't have a problem with the release of a press/release
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// going to an application.
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if (this._animationInProgress)
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return true;
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if (this._shown) {
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let shouldBeModal = !this._inXdndDrag;
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if (shouldBeModal && !this._modal) {
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if (global.display.is_grabbed()) {
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this.hide();
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return false;
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}
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const grab = Main.pushModal(global.stage, {
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actionMode: Shell.ActionMode.OVERVIEW,
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});
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if (grab.get_seat_state() !== Clutter.GrabState.ALL) {
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Main.popModal(grab);
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this.hide();
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return false;
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}
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this._grab = grab;
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this._modal = true;
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}
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} else {
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// eslint-disable-next-line no-lonely-if
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if (this._modal) {
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Main.popModal(this._grab);
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this._grab = false;
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this._modal = false;
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}
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}
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return true;
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}
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// show:
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//
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// Animates the overview visible and grabs mouse and keyboard input
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show(state = OverviewControls.ControlsState.WINDOW_PICKER) {
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if (state === OverviewControls.ControlsState.HIDDEN)
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throw new Error('Invalid state, use hide() to hide');
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if (this.isDummy)
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return;
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if (this._shown)
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return;
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this._shown = true;
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if (!this._syncGrab())
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return;
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Main.layoutManager.showOverview();
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this._animateVisible(state);
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}
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_animateVisible(state) {
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if (this._visible || this._animationInProgress)
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return;
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this._visible = true;
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this._animationInProgress = true;
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this._visibleTarget = true;
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|
this._activationTime = GLib.get_monotonic_time() / GLib.USEC_PER_SEC;
|
|
|
|
Meta.disable_unredirect_for_display(global.display);
|
|
|
|
Main.layoutManager.overviewGroup.set_child_above_sibling(
|
|
this._coverPane, null);
|
|
this._coverPane.show();
|
|
|
|
this._overview.prepareToEnterOverview();
|
|
this._changeShownState(OverviewShownState.SHOWING);
|
|
this._overview.animateToOverview(state, () => this._showDone());
|
|
}
|
|
|
|
_showDone() {
|
|
this._animationInProgress = false;
|
|
this._coverPane.hide();
|
|
|
|
if (this._shownState !== OverviewShownState.SHOWN)
|
|
this._changeShownState(OverviewShownState.SHOWN);
|
|
|
|
// Handle any calls to hide* while we were showing
|
|
if (!this._shown)
|
|
this._animateNotVisible();
|
|
|
|
this._syncGrab();
|
|
}
|
|
|
|
// hide:
|
|
//
|
|
// Reverses the effect of show()
|
|
hide() {
|
|
if (this.isDummy)
|
|
return;
|
|
|
|
if (!this._shown)
|
|
return;
|
|
|
|
let event = Clutter.get_current_event();
|
|
if (event) {
|
|
let type = event.type();
|
|
let button = type == Clutter.EventType.BUTTON_PRESS ||
|
|
type == Clutter.EventType.BUTTON_RELEASE;
|
|
let ctrl = (event.get_state() & Clutter.ModifierType.CONTROL_MASK) != 0;
|
|
if (button && ctrl)
|
|
return;
|
|
}
|
|
|
|
this._shown = false;
|
|
|
|
this._animateNotVisible();
|
|
this._syncGrab();
|
|
}
|
|
|
|
_animateNotVisible() {
|
|
if (!this._visible || this._animationInProgress)
|
|
return;
|
|
|
|
this._animationInProgress = true;
|
|
this._visibleTarget = false;
|
|
|
|
Main.layoutManager.overviewGroup.set_child_above_sibling(
|
|
this._coverPane, null);
|
|
this._coverPane.show();
|
|
|
|
this._overview.prepareToLeaveOverview();
|
|
this._changeShownState(OverviewShownState.HIDING);
|
|
this._overview.animateFromOverview(() => this._hideDone());
|
|
}
|
|
|
|
_hideDone() {
|
|
// Re-enable unredirection
|
|
Meta.enable_unredirect_for_display(global.display);
|
|
|
|
this._coverPane.hide();
|
|
|
|
this._visible = false;
|
|
this._animationInProgress = false;
|
|
|
|
// Handle any calls to show* while we were hiding
|
|
if (this._shown) {
|
|
this._changeShownState(OverviewShownState.HIDDEN);
|
|
this._animateVisible(OverviewControls.ControlsState.WINDOW_PICKER);
|
|
} else {
|
|
Main.layoutManager.hideOverview();
|
|
this._changeShownState(OverviewShownState.HIDDEN);
|
|
}
|
|
|
|
Main.panel.style = null;
|
|
|
|
this._syncGrab();
|
|
}
|
|
|
|
toggle() {
|
|
if (this.isDummy)
|
|
return;
|
|
|
|
if (this._visible)
|
|
this.hide();
|
|
else
|
|
this.show();
|
|
}
|
|
|
|
showApps() {
|
|
this.show(OverviewControls.ControlsState.APP_GRID);
|
|
}
|
|
|
|
selectApp(id) {
|
|
this.showApps();
|
|
this._overview.controls.appDisplay.selectApp(id);
|
|
}
|
|
|
|
runStartupAnimation(callback) {
|
|
Main.panel.style = 'transition-duration: 0ms;';
|
|
|
|
this._shown = true;
|
|
this._visible = true;
|
|
this._visibleTarget = true;
|
|
Main.layoutManager.showOverview();
|
|
// We should call this._syncGrab() here, but moved it to happen after
|
|
// the animation because of a race in the xserver where the grab
|
|
// fails when requested very early during startup.
|
|
|
|
Meta.disable_unredirect_for_display(global.display);
|
|
|
|
this._changeShownState(OverviewShownState.SHOWING);
|
|
|
|
this._overview.runStartupAnimation(() => {
|
|
// Overview got hidden during startup animation
|
|
if (this._shownState !== OverviewShownState.SHOWING) {
|
|
callback();
|
|
return;
|
|
}
|
|
|
|
if (!this._syncGrab()) {
|
|
callback();
|
|
this.hide();
|
|
return;
|
|
}
|
|
|
|
Main.panel.style = null;
|
|
this._changeShownState(OverviewShownState.SHOWN);
|
|
callback();
|
|
});
|
|
}
|
|
|
|
getShowAppsButton() {
|
|
logError(new Error('Usage of Overview.\'getShowAppsButton\' is deprecated, ' +
|
|
'use \'dash.showAppsButton\' property instead'));
|
|
|
|
return this.dash.showAppsButton;
|
|
}
|
|
|
|
get searchController() {
|
|
return this._overview.searchController;
|
|
}
|
|
|
|
get searchEntry() {
|
|
return this._overview.searchEntry;
|
|
}
|
|
}
|