gnome-shell/js/ui/closeDialog.js

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// -*- mode: js; js-indent-level: 4; indent-tabs-mode: nil -*-
const Clutter = imports.gi.Clutter;
const Gio = imports.gi.Gio;
const GObject = imports.gi.GObject;
const Lang = imports.lang;
const Meta = imports.gi.Meta;
const Shell = imports.gi.Shell;
const Dialog = imports.ui.dialog;
const Main = imports.ui.main;
const Tweener = imports.ui.tweener;
const FROZEN_WINDOW_BRIGHTNESS = -0.3
const DIALOG_TRANSITION_TIME = 0.15
const CloseDialog = new Lang.Class({
Name: 'CloseDialog',
Extends: GObject.Object,
Implements: [ Meta.CloseDialog ],
Properties: {
'window': GObject.ParamSpec.override('window', Meta.CloseDialog)
},
_init: function (window) {
this.parent();
this._window = window;
this._dialog = null;
},
get window() {
return this._window;
},
set window(window) {
this._window = window;
},
_createDialogContent: function () {
let tracker = Shell.WindowTracker.get_default();
let windowApp = tracker.get_window_app(this._window);
/* Translators: %s is an application name */
let title = _("“%s” is not responding.").format(windowApp.get_name());
let subtitle = _("You may choose to wait a short while for it to " +
"continue or force the application to quit entirely.");
let icon = new Gio.ThemedIcon({ name: 'dialog-warning-symbolic' });
return new Dialog.MessageDialogContent({ icon, title, subtitle });
},
_initDialog: function () {
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.addContent(this._createDialogContent());
this._dialog.addButton({ label: _('Force Quit'),
action: Lang.bind(this, this._onClose),
default: true });
this._dialog.addButton({ label: _('Wait'),
action: Lang.bind(this, this._onWait),
key: Clutter.Escape });
global.focus_manager.add_group(this._dialog);
},
_addWindowEffect: function () {
// 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: function () {
let windowActor = this._window.get_compositor_private();
let surfaceActor = windowActor.get_first_child();
surfaceActor.remove_effect_by_name("gnome-shell-frozen-window");
},
_onWait: function () {
this.response(Meta.CloseDialogResponse.WAIT);
},
_onClose: function () {
this.response(Meta.CloseDialogResponse.FORCE_CLOSE);
},
vfunc_show: function () {
if (this._dialog != null)
return;
this._addWindowEffect();
this._initDialog();
this._dialog.scale_y = 0;
this._dialog.set_pivot_point(0.5, 0.5);
Tweener.addTween(this._dialog,
{ scale_y: 1,
transition: 'linear',
time: DIALOG_TRANSITION_TIME,
onComplete: Lang.bind(this, function () {
Main.layoutManager.trackChrome(this._dialog, { affectsInputRegion: true });
})
});
},
vfunc_hide: function () {
if (this._dialog == null)
return;
let dialog = this._dialog;
this._dialog = null;
this._removeWindowEffect();
Tweener.addTween(dialog,
{ scale_y: 0,
transition: 'linear',
time: DIALOG_TRANSITION_TIME,
onComplete: Lang.bind(this, function () {
dialog.destroy();
})
});
},
vfunc_focus: function () {
if (this._dialog)
this._dialog.grab_key_focus();
}
});