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-rw-r--r--js/ui/closeDialog.js210
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diff --git a/js/ui/closeDialog.js b/js/ui/closeDialog.js
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+// -*- mode: js; js-indent-level: 4; indent-tabs-mode: nil -*-
+/* exported CloseDialog */
+
+const { Clutter, GLib, GObject, Meta, Shell, St } = imports.gi;
+
+const Dialog = imports.ui.dialog;
+const Main = imports.ui.main;
+
+var FROZEN_WINDOW_BRIGHTNESS = -0.3;
+var DIALOG_TRANSITION_TIME = 150;
+var ALIVE_TIMEOUT = 5000;
+
+var CloseDialog = GObject.registerClass({
+ Implements: [Meta.CloseDialog],
+ Properties: {
+ 'window': GObject.ParamSpec.override('window', Meta.CloseDialog),
+ },
+}, class CloseDialog extends GObject.Object {
+ _init(window) {
+ super._init();
+ this._window = window;
+ this._dialog = null;
+ this._tracked = undefined;
+ this._timeoutId = 0;
+ this._windowFocusChangedId = 0;
+ this._keyFocusChangedId = 0;
+ }
+
+ get window() {
+ return this._window;
+ }
+
+ set window(window) {
+ this._window = window;
+ }
+
+ _createDialogContent() {
+ let tracker = Shell.WindowTracker.get_default();
+ let windowApp = tracker.get_window_app(this._window);
+
+ /* Translators: %s is an application name */
+ let title = _("ā€œ%sā€ is not responding.").format(windowApp.get_name());
+ let description = _('You may choose to wait a short while for it to ' +
+ 'continue or force the application to quit entirely.');
+ return new Dialog.MessageDialogContent({ title, description });
+ }
+
+ _updateScale() {
+ // Since this is a child of MetaWindowActor (which, for Wayland clients,
+ // applies the geometry scale factor to its children itself, see
+ // meta_window_actor_set_geometry_scale()), make sure we don't apply
+ // the factor twice in the end.
+ if (this._window.get_client_type() !== Meta.WindowClientType.WAYLAND)
+ return;
+
+ let { scaleFactor } = St.ThemeContext.get_for_stage(global.stage);
+ this._dialog.set_scale(1 / scaleFactor, 1 / scaleFactor);
+ }
+
+ _initDialog() {
+ if (this._dialog)
+ return;
+
+ let windowActor = this._window.get_compositor_private();
+ this._dialog = new Dialog.Dialog(windowActor, 'close-dialog');
+ this._dialog.width = windowActor.width;
+ this._dialog.height = windowActor.height;
+
+ this._dialog.contentLayout.add_child(this._createDialogContent());
+ this._dialog.addButton({ label: _('Force Quit'),
+ action: this._onClose.bind(this),
+ default: true });
+ this._dialog.addButton({ label: _('Wait'),
+ action: this._onWait.bind(this),
+ key: Clutter.KEY_Escape });
+
+ global.focus_manager.add_group(this._dialog);
+
+ let themeContext = St.ThemeContext.get_for_stage(global.stage);
+ themeContext.connect('notify::scale-factor', this._updateScale.bind(this));
+
+ this._updateScale();
+ }
+
+ _addWindowEffect() {
+ // We set the effect on the surface actor, so the dialog itself
+ // (which is a child of the MetaWindowActor) does not get the
+ // effect applied itself.
+ let windowActor = this._window.get_compositor_private();
+ let surfaceActor = windowActor.get_first_child();
+ let effect = new Clutter.BrightnessContrastEffect();
+ effect.set_brightness(FROZEN_WINDOW_BRIGHTNESS);
+ surfaceActor.add_effect_with_name("gnome-shell-frozen-window", effect);
+ }
+
+ _removeWindowEffect() {
+ let windowActor = this._window.get_compositor_private();
+ let surfaceActor = windowActor.get_first_child();
+ surfaceActor.remove_effect_by_name("gnome-shell-frozen-window");
+ }
+
+ _onWait() {
+ this.response(Meta.CloseDialogResponse.WAIT);
+ }
+
+ _onClose() {
+ this.response(Meta.CloseDialogResponse.FORCE_CLOSE);
+ }
+
+ _onFocusChanged() {
+ if (Meta.is_wayland_compositor())
+ return;
+
+ let focusWindow = global.display.focus_window;
+ let keyFocus = global.stage.key_focus;
+
+ let shouldTrack;
+ if (focusWindow != null)
+ shouldTrack = focusWindow == this._window;
+ else
+ shouldTrack = keyFocus && this._dialog.contains(keyFocus);
+
+ if (this._tracked === shouldTrack)
+ return;
+
+ if (shouldTrack) {
+ Main.layoutManager.trackChrome(this._dialog,
+ { affectsInputRegion: true });
+ } else {
+ Main.layoutManager.untrackChrome(this._dialog);
+ }
+
+ // The buttons are broken when they aren't added to the input region,
+ // so disable them properly in that case
+ this._dialog.buttonLayout.get_children().forEach(b => {
+ b.reactive = shouldTrack;
+ });
+
+ this._tracked = shouldTrack;
+ }
+
+ vfunc_show() {
+ if (this._dialog != null)
+ return;
+
+ Meta.disable_unredirect_for_display(global.display);
+
+ this._timeoutId = GLib.timeout_add(GLib.PRIORITY_DEFAULT, ALIVE_TIMEOUT,
+ () => {
+ this._window.check_alive(global.display.get_current_time_roundtrip());
+ return GLib.SOURCE_CONTINUE;
+ });
+
+ this._windowFocusChangedId =
+ global.display.connect('notify::focus-window',
+ this._onFocusChanged.bind(this));
+
+ this._keyFocusChangedId =
+ global.stage.connect('notify::key-focus',
+ this._onFocusChanged.bind(this));
+
+ this._addWindowEffect();
+ this._initDialog();
+
+ this._dialog._dialog.scale_y = 0;
+ this._dialog._dialog.set_pivot_point(0.5, 0.5);
+
+ this._dialog._dialog.ease({
+ scale_y: 1,
+ mode: Clutter.AnimationMode.LINEAR,
+ duration: DIALOG_TRANSITION_TIME,
+ onComplete: this._onFocusChanged.bind(this),
+ });
+ }
+
+ vfunc_hide() {
+ if (this._dialog == null)
+ return;
+
+ Meta.enable_unredirect_for_display(global.display);
+
+ GLib.source_remove(this._timeoutId);
+ this._timeoutId = 0;
+
+ global.display.disconnect(this._windowFocusChangedId);
+ this._windowFocusChangedId = 0;
+
+ global.stage.disconnect(this._keyFocusChangedId);
+ this._keyFocusChangedId = 0;
+
+ this._dialog._dialog.remove_all_transitions();
+
+ let dialog = this._dialog;
+ this._dialog = null;
+ this._removeWindowEffect();
+
+ dialog.makeInactive();
+ dialog._dialog.ease({
+ scale_y: 0,
+ mode: Clutter.AnimationMode.LINEAR,
+ duration: DIALOG_TRANSITION_TIME,
+ onComplete: () => dialog.destroy(),
+ });
+ }
+
+ vfunc_focus() {
+ if (this._dialog)
+ this._dialog.grab_key_focus();
+ }
+});