322 lines
10 KiB
JavaScript
322 lines
10 KiB
JavaScript
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// -*- mode: js; js-indent-level: 4; indent-tabs-mode: nil -*-
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const GLib = imports.gi.GLib;
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const Mainloop = imports.mainloop;
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const Meta = imports.gi.Meta;
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const Shell = imports.gi.Shell;
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const Main = imports.ui.main;
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const Signals = imports.signals;
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const Me = imports.misc.extensionUtils.getCurrentExtension();
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const Docking = Me.imports.docking;
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const Utils = Me.imports.utils;
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// A good compromise between reactivity and efficiency; to be tuned.
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const INTELLIHIDE_CHECK_INTERVAL = 100;
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const OverlapStatus = {
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UNDEFINED: -1,
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FALSE: 0,
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TRUE: 1
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};
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const IntellihideMode = {
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ALL_WINDOWS: 0,
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FOCUS_APPLICATION_WINDOWS: 1,
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MAXIMIZED_WINDOWS : 2
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};
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// List of windows type taken into account. Order is important (keep the original
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// enum order).
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const handledWindowTypes = [
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Meta.WindowType.NORMAL,
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Meta.WindowType.DOCK,
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Meta.WindowType.DIALOG,
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Meta.WindowType.MODAL_DIALOG,
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Meta.WindowType.TOOLBAR,
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Meta.WindowType.MENU,
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Meta.WindowType.UTILITY,
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Meta.WindowType.SPLASHSCREEN
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];
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/**
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* A rough and ugly implementation of the intellihide behaviour.
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* Intallihide object: emit 'status-changed' signal when the overlap of windows
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* with the provided targetBoxClutter.ActorBox changes;
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*/
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var Intellihide = class DashToDock_Intellihide {
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constructor(monitorIndex) {
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// Load settings
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this._monitorIndex = monitorIndex;
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this._signalsHandler = new Utils.GlobalSignalsHandler();
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this._tracker = Shell.WindowTracker.get_default();
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this._focusApp = null; // The application whose window is focused.
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this._topApp = null; // The application whose window is on top on the monitor with the dock.
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this._isEnabled = false;
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this.status = OverlapStatus.UNDEFINED;
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this._targetBox = null;
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this._checkOverlapTimeoutContinue = false;
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this._checkOverlapTimeoutId = 0;
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this._trackedWindows = new Map();
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// Connect global signals
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this._signalsHandler.add([
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// Add signals on windows created from now on
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global.display,
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'window-created',
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this._windowCreated.bind(this)
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], [
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// triggered for instance when the window list order changes,
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// included when the workspace is switched
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global.display,
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'restacked',
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this._checkOverlap.bind(this)
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], [
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// when windows are alwasy on top, the focus window can change
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// without the windows being restacked. Thus monitor window focus change.
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this._tracker,
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'notify::focus-app',
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this._checkOverlap.bind(this)
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], [
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// update wne monitor changes, for instance in multimonitor when monitor are attached
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Meta.MonitorManager.get(),
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'monitors-changed',
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this._checkOverlap.bind(this)
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]);
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}
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destroy() {
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// Disconnect global signals
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this._signalsHandler.destroy();
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// Remove residual windows signals
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this.disable();
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}
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enable() {
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this._isEnabled = true;
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this._status = OverlapStatus.UNDEFINED;
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global.get_window_actors().forEach(function(wa) {
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this._addWindowSignals(wa);
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}, this);
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this._doCheckOverlap();
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}
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disable() {
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this._isEnabled = false;
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for (let wa of this._trackedWindows.keys()) {
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this._removeWindowSignals(wa);
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}
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this._trackedWindows.clear();
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if (this._checkOverlapTimeoutId > 0) {
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Mainloop.source_remove(this._checkOverlapTimeoutId);
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this._checkOverlapTimeoutId = 0;
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}
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}
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_windowCreated(display, metaWindow) {
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this._addWindowSignals(metaWindow.get_compositor_private());
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}
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_addWindowSignals(wa) {
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if (!this._handledWindow(wa))
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return;
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let signalId = wa.connect('allocation-changed', this._checkOverlap.bind(this));
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this._trackedWindows.set(wa, signalId);
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wa.connect('destroy', this._removeWindowSignals.bind(this));
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}
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_removeWindowSignals(wa) {
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if (this._trackedWindows.get(wa)) {
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wa.disconnect(this._trackedWindows.get(wa));
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this._trackedWindows.delete(wa);
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}
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}
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updateTargetBox(box) {
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this._targetBox = box;
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this._checkOverlap();
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}
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forceUpdate() {
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this._status = OverlapStatus.UNDEFINED;
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this._doCheckOverlap();
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}
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getOverlapStatus() {
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return (this._status == OverlapStatus.TRUE);
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}
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_checkOverlap() {
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if (!this._isEnabled || (this._targetBox == null))
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return;
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/* Limit the number of calls to the doCheckOverlap function */
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if (this._checkOverlapTimeoutId) {
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this._checkOverlapTimeoutContinue = true;
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return
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}
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this._doCheckOverlap();
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this._checkOverlapTimeoutId = Mainloop.timeout_add(INTELLIHIDE_CHECK_INTERVAL, () => {
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this._doCheckOverlap();
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if (this._checkOverlapTimeoutContinue) {
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this._checkOverlapTimeoutContinue = false;
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return GLib.SOURCE_CONTINUE;
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} else {
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this._checkOverlapTimeoutId = 0;
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return GLib.SOURCE_REMOVE;
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}
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});
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}
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_doCheckOverlap() {
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if (!this._isEnabled || (this._targetBox == null))
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return;
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let overlaps = OverlapStatus.FALSE;
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let windows = global.get_window_actors();
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if (windows.length > 0) {
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/*
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* Get the top window on the monitor where the dock is placed.
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* The idea is that we dont want to overlap with the windows of the topmost application,
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* event is it's not the focused app -- for instance because in multimonitor the user
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* select a window in the secondary monitor.
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*/
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let topWindow = null;
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for (let i = windows.length - 1; i >= 0; i--) {
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let meta_win = windows[i].get_meta_window();
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if (this._handledWindow(windows[i]) && (meta_win.get_monitor() == this._monitorIndex)) {
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topWindow = meta_win;
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break;
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}
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}
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if (topWindow !== null) {
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this._topApp = this._tracker.get_window_app(topWindow);
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// If there isn't a focused app, use that of the window on top
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this._focusApp = this._tracker.focus_app || this._topApp
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windows = windows.filter(this._intellihideFilterInteresting, this);
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for (let i = 0; i < windows.length; i++) {
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let win = windows[i].get_meta_window();
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if (win) {
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let rect = win.get_frame_rect();
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let test = (rect.x < this._targetBox.x2) &&
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(rect.x + rect.width > this._targetBox.x1) &&
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(rect.y < this._targetBox.y2) &&
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(rect.y + rect.height > this._targetBox.y1);
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if (test) {
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overlaps = OverlapStatus.TRUE;
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break;
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}
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}
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}
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}
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}
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if (this._status !== overlaps) {
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this._status = overlaps;
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this.emit('status-changed', this._status);
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}
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}
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// Filter interesting windows to be considered for intellihide.
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// Consider all windows visible on the current workspace.
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// Optionally skip windows of other applications
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_intellihideFilterInteresting(wa) {
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let meta_win = wa.get_meta_window();
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if (!this._handledWindow(wa))
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return false;
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let currentWorkspace = global.workspace_manager.get_active_workspace_index();
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let wksp = meta_win.get_workspace();
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let wksp_index = wksp.index();
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// Depending on the intellihide mode, exclude non-relevent windows
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switch (Docking.DockManager.settings.get_enum('intellihide-mode')) {
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case IntellihideMode.ALL_WINDOWS:
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// Do nothing
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break;
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case IntellihideMode.FOCUS_APPLICATION_WINDOWS:
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// Skip windows of other apps
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if (this._focusApp) {
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// The DropDownTerminal extension is not an application per se
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// so we match its window by wm class instead
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if (meta_win.get_wm_class() == 'DropDownTerminalWindow')
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return true;
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let currentApp = this._tracker.get_window_app(meta_win);
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let focusWindow = global.display.get_focus_window()
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// Consider half maximized windows side by side
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// and windows which are alwayson top
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if((currentApp != this._focusApp) && (currentApp != this._topApp)
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&& !((focusWindow && focusWindow.maximized_vertically && !focusWindow.maximized_horizontally)
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&& (meta_win.maximized_vertically && !meta_win.maximized_horizontally)
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&& meta_win.get_monitor() == focusWindow.get_monitor())
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&& !meta_win.is_above())
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return false;
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}
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break;
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case IntellihideMode.MAXIMIZED_WINDOWS:
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// Skip unmaximized windows
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if (!meta_win.maximized_vertically && !meta_win.maximized_horizontally)
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return false;
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break;
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}
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if ( wksp_index == currentWorkspace && meta_win.showing_on_its_workspace() )
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return true;
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else
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return false;
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}
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// Filter windows by type
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// inspired by Opacify@gnome-shell.localdomain.pl
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_handledWindow(wa) {
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let metaWindow = wa.get_meta_window();
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if (!metaWindow)
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return false;
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// The DropDownTerminal extension uses the POPUP_MENU window type hint
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// so we match its window by wm class instead
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if (metaWindow.get_wm_class() == 'DropDownTerminalWindow')
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return true;
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let wtype = metaWindow.get_window_type();
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for (let i = 0; i < handledWindowTypes.length; i++) {
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var hwtype = handledWindowTypes[i];
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if (hwtype == wtype)
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return true;
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else if (hwtype > wtype)
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return false;
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}
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return false;
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}
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};
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Signals.addSignalMethods(Intellihide.prototype);
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