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gnome-shell/js/gdm/loginDialog.js
Ray Strode f7568b69d4 loginDialog: make spinner and session menu button share position 
They never need to be shown at the same time, and the design has
the UI fade between them.

This commit implements that.

https://bugzilla.gnome.org/show_bug.cgi?id=702818
2013-06-26 15:20:10 -04:00

1223 lines
46 KiB
JavaScript
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// -*- mode: js; js-indent-level: 4; indent-tabs-mode: nil -*-
/*
* Copyright 2011 Red Hat, Inc
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2, or (at your option)
* any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
* 02111-1307, USA.
*/
const AccountsService = imports.gi.AccountsService;
const Atk = imports.gi.Atk;
const Clutter = imports.gi.Clutter;
const Gdm = imports.gi.Gdm;
const Gio = imports.gi.Gio;
const GLib = imports.gi.GLib;
const Gtk = imports.gi.Gtk;
const Lang = imports.lang;
const Mainloop = imports.mainloop;
const Meta = imports.gi.Meta;
const Shell = imports.gi.Shell;
const Signals = imports.signals;
const St = imports.gi.St;
const Animation = imports.ui.animation;
const Batch = imports.gdm.batch;
const BoxPointer = imports.ui.boxpointer;
const CtrlAltTab = imports.ui.ctrlAltTab;
const GdmUtil = imports.gdm.util;
const Layout = imports.ui.layout;
const Main = imports.ui.main;
const PopupMenu = imports.ui.popupMenu;
const Realmd = imports.gdm.realmd;
const Tweener = imports.ui.tweener;
const UserWidget = imports.ui.userWidget;
const _FADE_ANIMATION_TIME = 0.25;
const _SCROLL_ANIMATION_TIME = 0.5;
const _DEFAULT_BUTTON_WELL_ICON_SIZE = 24;
const _DEFAULT_BUTTON_WELL_ANIMATION_DELAY = 1.0;
const _DEFAULT_BUTTON_WELL_ANIMATION_TIME = 0.3;
const _TIMED_LOGIN_IDLE_THRESHOLD = 5.0;
const _LOGO_ICON_HEIGHT = 48;
let _loginDialog = null;
const DefaultButtonWellMode = {
NONE: 0,
SESSION_MENU_BUTTON: 1,
SPINNER: 2
};
const UserListItem = new Lang.Class({
Name: 'UserListItem',
_init: function(user) {
this.user = user;
this._userChangedId = this.user.connect('changed',
Lang.bind(this, this._onUserChanged));
let layout = new St.BoxLayout({ vertical: false });
this.actor = new St.Button({ style_class: 'login-dialog-user-list-item',
button_mask: St.ButtonMask.ONE | St.ButtonMask.THREE,
can_focus: true,
child: layout,
reactive: true,
x_align: St.Align.START,
x_fill: true });
this._userAvatar = new UserWidget.Avatar(this.user,
{ styleClass: 'login-dialog-user-list-item-icon' });
layout.add(this._userAvatar.actor);
let textLayout = new St.BoxLayout({ style_class: 'login-dialog-user-list-item-text-box',
vertical: true });
layout.add(textLayout, { expand: true });
this._nameLabel = new St.Label({ style_class: 'login-dialog-user-list-item-name' });
this.actor.label_actor = this._nameLabel;
textLayout.add(this._nameLabel,
{ y_fill: false,
y_align: St.Align.MIDDLE,
expand: true });
this._timedLoginIndicator = new St.Bin({ style_class: 'login-dialog-timed-login-indicator',
scale_x: 0 });
textLayout.add(this._timedLoginIndicator,
{ x_fill: true,
x_align: St.Align.MIDDLE,
y_fill: false,
y_align: St.Align.END });
this.actor.connect('clicked', Lang.bind(this, this._onClicked));
this._onUserChanged();
},
_onUserChanged: function() {
this._nameLabel.set_text(this.user.get_real_name());
this._userAvatar.update();
this._updateLoggedIn();
},
syncStyleClasses: function() {
this._updateLoggedIn();
if (global.stage.get_key_focus() == this.actor)
this.actor.add_style_pseudo_class('focus');
else
this.actor.remove_style_pseudo_class('focus');
},
_updateLoggedIn: function() {
if (this.user.is_logged_in())
this.actor.add_style_pseudo_class('logged-in');
else
this.actor.remove_style_pseudo_class('logged-in');
},
_onClicked: function() {
this.emit('activate');
},
showTimedLoginIndicator: function(time) {
let hold = new Batch.Hold();
this.hideTimedLoginIndicator();
Tweener.addTween(this._timedLoginIndicator,
{ scale_x: 1.,
time: time,
transition: 'linear',
onComplete: function() {
hold.release();
},
onCompleteScope: this
});
return hold;
},
hideTimedLoginIndicator: function() {
Tweener.removeTweens(this._timedLoginIndicator);
this._timedLoginIndicator.scale_x = 0.;
}
});
Signals.addSignalMethods(UserListItem.prototype);
const UserList = new Lang.Class({
Name: 'UserList',
_init: function() {
this.actor = new St.ScrollView({ style_class: 'login-dialog-user-list-view'});
this.actor.set_policy(Gtk.PolicyType.NEVER,
Gtk.PolicyType.AUTOMATIC);
this._box = new St.BoxLayout({ vertical: true,
style_class: 'login-dialog-user-list',
pseudo_class: 'expanded' });
this.actor.add_actor(this._box);
this._items = {};
this.actor.connect('key-focus-in', Lang.bind(this, this._moveFocusToItems));
},
_moveFocusToItems: function() {
let hasItems = Object.keys(this._items).length > 0;
if (!hasItems)
return;
if (global.stage.get_key_focus() != this.actor)
return;
let focusSet = this.actor.navigate_focus(null, Gtk.DirectionType.TAB_FORWARD, false);
if (!focusSet) {
Meta.later_add(Meta.LaterType.BEFORE_REDRAW, Lang.bind(this, function() {
this._moveFocusToItems();
return false;
}));
}
},
_onItemActivated: function(activatedItem) {
this.emit('activate', activatedItem);
},
updateStyle: function(isExpanded) {
let tasks = [];
if (isExpanded)
this._box.add_style_pseudo_class('expanded');
else
this._box.remove_style_pseudo_class('expanded');
for (let userName in this._items) {
let item = this._items[userName];
item.actor.sync_hover();
item.syncStyleClasses();
}
},
scrollToItem: function(item) {
let box = item.actor.get_allocation_box();
let adjustment = this.actor.get_vscroll_bar().get_adjustment();
let value = (box.y1 + adjustment.step_increment / 2.0) - (adjustment.page_size / 2.0);
Tweener.removeTweens(adjustment);
Tweener.addTween (adjustment,
{ value: value,
time: _SCROLL_ANIMATION_TIME,
transition: 'easeOutQuad' });
},
jumpToItem: function(item) {
let box = item.actor.get_allocation_box();
let adjustment = this.actor.get_vscroll_bar().get_adjustment();
let value = (box.y1 + adjustment.step_increment / 2.0) - (adjustment.page_size / 2.0);
adjustment.set_value(value);
},
getItemFromUserName: function(userName) {
let item = this._items[userName];
if (!item)
return null;
return item;
},
addUser: function(user) {
if (!user.is_loaded)
return;
if (user.is_system_account())
return;
if (user.locked)
return;
let userName = user.get_user_name();
if (!userName)
return;
this.removeUser(user);
let item = new UserListItem(user);
this._box.add(item.actor, { x_fill: true });
this._items[userName] = item;
item.connect('activate',
Lang.bind(this, this._onItemActivated));
// Try to keep the focused item front-and-center
item.actor.connect('key-focus-in',
Lang.bind(this,
function() {
this.scrollToItem(item);
}));
this._moveFocusToItems();
this.emit('item-added', item);
},
removeUser: function(user) {
if (!user.is_loaded)
return;
let userName = user.get_user_name();
if (!userName)
return;
let item = this._items[userName];
if (!item)
return;
item.actor.destroy();
delete this._items[userName];
}
});
Signals.addSignalMethods(UserList.prototype);
const SessionMenuButton = new Lang.Class({
Name: 'SessionMenuButton',
_init: function() {
let gearIcon = new St.Icon({ icon_name: 'emblem-system-symbolic' });
this._button = new St.Button({ style_class: 'login-dialog-session-list-button',
reactive: true,
track_hover: true,
can_focus: true,
accessible_name: _("Choose Session"),
accessible_role: Atk.Role.MENU,
child: gearIcon });
this.actor = new St.Bin({ child: this._button });
this._menu = new PopupMenu.PopupMenu(this._button, 0, St.Side.TOP);
Main.uiGroup.add_actor(this._menu.actor);
this._menu.actor.hide();
this._menu.connect('open-state-changed',
Lang.bind(this, function(menu, isOpen) {
if (isOpen)
this._button.add_style_pseudo_class('active');
else
this._button.remove_style_pseudo_class('active');
}));
let subtitle = new PopupMenu.PopupMenuItem(_("Session"), { style_class: 'popup-subtitle-menu-item',
reactive: false });
this._menu.addMenuItem(subtitle);
this._manager = new PopupMenu.PopupMenuManager({ actor: this._button });
this._manager.addMenu(this._menu);
this._button.connect('clicked', Lang.bind(this, function() {
this._menu.toggle();
}));
this._items = {};
this._activeSessionId = null;
this._populate();
},
updateSensitivity: function(sensitive) {
this._button.reactive = sensitive;
this._button.can_focus = sensitive;
this._menu.close(BoxPointer.PopupAnimation.NONE);
},
_updateOrnament: function() {
let itemIds = Object.keys(this._items);
for (let i = 0; i < itemIds.length; i++) {
if (itemIds[i] == this._activeSessionId)
this._items[itemIds[i]].setOrnament(PopupMenu.Ornament.DOT);
else
this._items[itemIds[i]].setOrnament(PopupMenu.Ornament.NONE);
}
},
setActiveSession: function(sessionId) {
if (sessionId == this._activeSessionId)
return;
this._activeSessionId = sessionId;
this._updateOrnament();
this.emit('session-activated', this._activeSessionId);
},
close: function() {
this._menu.close();
},
_populate: function() {
let ids = Gdm.get_session_ids();
ids.sort();
if (ids.length <= 1) {
this._button.hide();
return;
}
for (let i = 0; i < ids.length; i++) {
let [sessionName, sessionDescription] = Gdm.get_session_name_and_description(ids[i]);
let id = ids[i];
let item = new PopupMenu.PopupMenuItem(sessionName);
this._menu.addMenuItem(item);
this._items[id] = item;
if (!this._activeSessionId)
this.setActiveSession(id);
item.connect('activate', Lang.bind(this, function() {
this.setActiveSession(id);
}));
}
}
});
Signals.addSignalMethods(SessionMenuButton.prototype);
const LoginDialog = new Lang.Class({
Name: 'LoginDialog',
_init: function(parentActor) {
this.actor = new St.Widget({ accessible_role: Atk.Role.WINDOW,
style_class: 'login-dialog',
visible: false });
this.actor.add_constraint(new Layout.MonitorConstraint({ primary: true }));
this.actor.connect('destroy', Lang.bind(this, this._onDestroy));
parentActor.add_child(this.actor);
this._userManager = AccountsService.UserManager.get_default()
this._greeterClient = new Gdm.Client();
if (GLib.getenv('GDM_GREETER_TEST') != '1') {
this._greeter = this._greeterClient.get_greeter_sync(null);
this._greeter.connect('default-session-name-changed',
Lang.bind(this, this._onDefaultSessionChanged));
this._greeter.connect('session-opened',
Lang.bind(this, this._onSessionOpened));
this._greeter.connect('timed-login-requested',
Lang.bind(this, this._onTimedLoginRequested));
}
this._userVerifier = new GdmUtil.ShellUserVerifier(this._greeterClient);
this._userVerifier.connect('ask-question', Lang.bind(this, this._askQuestion));
this._userVerifier.connect('show-message', Lang.bind(this, this._showMessage));
this._userVerifier.connect('verification-failed', Lang.bind(this, this._verificationFailed));
this._userVerifier.connect('reset', Lang.bind(this, this._reset));
this._userVerifier.connect('show-login-hint', Lang.bind(this, this._showLoginHint));
this._userVerifier.connect('hide-login-hint', Lang.bind(this, this._hideLoginHint));
this._verifyingUser = false;
this._settings = new Gio.Settings({ schema: GdmUtil.LOGIN_SCREEN_SCHEMA });
this._settings.connect('changed::' + GdmUtil.BANNER_MESSAGE_KEY,
Lang.bind(this, this._updateBanner));
this._settings.connect('changed::' + GdmUtil.BANNER_MESSAGE_TEXT_KEY,
Lang.bind(this, this._updateBanner));
this._settings.connect('changed::' + GdmUtil.DISABLE_USER_LIST_KEY,
Lang.bind(this, this._updateDisableUserList));
this._settings.connect('changed::' + GdmUtil.LOGO_KEY,
Lang.bind(this, this._updateLogo));
this._textureCache = St.TextureCache.get_default();
this._textureCache.connect('texture-file-changed',
Lang.bind(this, this._updateLogoTexture));
this._userSelectionBox = new St.BoxLayout({ style_class: 'login-dialog-user-selection-box',
vertical: true });
this._userSelectionBox.add_constraint(new Clutter.AlignConstraint({ source: this.actor,
align_axis: Clutter.AlignAxis.BOTH,
factor: 0.5 }));
this.actor.add_child(this._userSelectionBox);
this._bannerLabel = new St.Label({ style_class: 'login-dialog-banner',
text: '' });
this._userSelectionBox.add(this._bannerLabel);
this._updateBanner();
this._userList = new UserList();
this._userSelectionBox.add(this._userList.actor,
{ expand: true,
x_fill: true,
y_fill: true });
this._promptBox = new St.BoxLayout({ style_class: 'login-dialog-prompt-layout',
vertical: true });
this._promptBox.connect('button-press-event',
Lang.bind(this, function(actor, event) {
if (event.get_key_symbol() == Clutter.KEY_Escape) {
this.cancel();
}
}));
this._promptBox.add_constraint(new Clutter.AlignConstraint({ source: this.actor,
align_axis: Clutter.AlignAxis.BOTH,
factor: 0.5 }));
this.actor.add_child(this._promptBox);
this._promptUser = new St.Bin({ x_fill: true,
x_align: St.Align.START });
this._promptBox.add(this._promptUser,
{ x_align: St.Align.START,
x_fill: true,
y_fill: true,
expand: true });
this._promptLabel = new St.Label({ style_class: 'login-dialog-prompt-label' });
this._promptBox.add(this._promptLabel,
{ expand: true,
x_fill: true,
y_fill: true,
x_align: St.Align.START });
this._promptEntry = new St.Entry({ style_class: 'login-dialog-prompt-entry',
can_focus: true });
this._promptEntryTextChangedId = 0;
this._promptEntryActivateId = 0;
this._promptBox.add(this._promptEntry,
{ expand: true,
x_fill: true,
y_fill: false,
x_align: St.Align.START });
this._promptMessage = new St.Label({ visible: false });
this._promptBox.add(this._promptMessage, { x_fill: true });
this._promptLoginHint = new St.Label({ style_class: 'login-dialog-prompt-login-hint-message' });
this._promptLoginHint.hide();
this._promptBox.add(this._promptLoginHint);
this._buttonBox = new St.BoxLayout({ style_class: 'modal-dialog-button-box',
vertical: false });
this._promptBox.add(this._buttonBox,
{ expand: true,
x_align: St.Align.MIDDLE,
y_align: St.Align.END });
this._cancelButton = null;
this._signInButton = null;
this._promptBox.hide();
// translators: this message is shown below the user list on the
// login screen. It can be activated to reveal an entry for
// manually entering the username.
let notListedLabel = new St.Label({ text: _("Not listed?"),
style_class: 'login-dialog-not-listed-label' });
this._notListedButton = new St.Button({ style_class: 'login-dialog-not-listed-button',
button_mask: St.ButtonMask.ONE | St.ButtonMask.THREE,
can_focus: true,
child: notListedLabel,
reactive: true,
x_align: St.Align.START,
x_fill: true });
this._notListedButton.connect('clicked', Lang.bind(this, this._hideUserListAndLogIn));
this._notListedButton.hide();
this._userSelectionBox.add(this._notListedButton,
{ expand: false,
x_align: St.Align.START,
x_fill: true });
this._logoBin = new St.Bin({ style_class: 'login-dialog-logo-bin', y_expand: true });
this._logoBin.set_y_align(Clutter.ActorAlign.END);
this._logoBin.add_constraint(new Clutter.AlignConstraint({ source: this.actor,
align_axis: Clutter.AlignAxis.X_AXIS,
factor: 0.5 }));
this._logoBin.add_constraint(new Clutter.AlignConstraint({ source: this.actor,
align_axis: Clutter.AlignAxis.Y_AXIS,
factor: 1.0 }));
this.actor.add_child(this._logoBin);
this._updateLogo();
if (!this._userManager.is_loaded)
this._userManagerLoadedId = this._userManager.connect('notify::is-loaded',
Lang.bind(this, function() {
if (this._userManager.is_loaded) {
this._loadUserList();
this._userManager.disconnect(this._userManagerLoadedId);
this._userManagerLoadedId = 0;
}
}));
else
this._loadUserList();
this._userList.connect('activate',
Lang.bind(this, function(userList, item) {
this._onUserListActivated(item);
}));
this._defaultButtonWell = new St.Widget();
this._defaultButtonWellMode = DefaultButtonWellMode.NONE;
this._sessionMenuButton = new SessionMenuButton();
this._sessionMenuButton.connect('session-activated',
Lang.bind(this, function(list, sessionId) {
this._greeter.call_select_session_sync (sessionId, null);
}));
this._sessionMenuButton.actor.opacity = 0;
this._sessionMenuButton.actor.show();
this._defaultButtonWell.add_child(this._sessionMenuButton.actor);
let spinnerIcon = global.datadir + '/theme/process-working.svg';
this._workSpinner = new Animation.AnimatedIcon(spinnerIcon, _DEFAULT_BUTTON_WELL_ICON_SIZE);
this._workSpinner.actor.opacity = 0;
this._workSpinner.actor.show();
this._defaultButtonWell.add_child(this._workSpinner.actor);
this._sessionMenuButton.actor.add_constraint(new Clutter.AlignConstraint({ source: this._workSpinner.actor,
align_axis: Clutter.AlignAxis.BOTH,
factor: 0.5 }));
},
_updateDisableUserList: function() {
let disableUserList = this._settings.get_boolean(GdmUtil.DISABLE_USER_LIST_KEY);
// If this is the first time around, set initial focus
if (this._disableUserList == undefined && disableUserList)
this.setInitialKeyFocus(this._promptEntry);
if (disableUserList != this._disableUserList) {
this._disableUserList = disableUserList;
if (!this._verifyingUser)
this._reset();
}
},
_updateBanner: function() {
let enabled = this._settings.get_boolean(GdmUtil.BANNER_MESSAGE_KEY);
let text = this._settings.get_string(GdmUtil.BANNER_MESSAGE_TEXT_KEY);
if (enabled && text) {
this._bannerLabel.set_text(text);
this._bannerLabel.show();
} else {
this._bannerLabel.hide();
}
},
_updateLogoTexture: function(cache, uri) {
if (this._logoFileUri != uri)
return;
let icon = null;
if (this._logoFileUri)
icon = this._textureCache.load_uri_async(this._logoFileUri,
-1, _LOGO_ICON_HEIGHT);
this._logoBin.set_child(icon);
},
_updateLogo: function() {
let path = this._settings.get_string(GdmUtil.LOGO_KEY);
this._logoFileUri = path ? Gio.file_new_for_path(path).get_uri() : null;
this._updateLogoTexture(this._textureCache, this._logoFileUri);
},
_reset: function() {
this._userVerifier.clear();
this._updateSensitivity(true);
this._promptMessage.hide();
this._user = null;
this._verifyingUser = false;
if (this._disableUserList)
this._hideUserListAndLogIn();
else
this._showUserList();
},
_getActorForDefaultButtonWellMode: function(mode) {
let actor;
if (mode == DefaultButtonWellMode.NONE)
actor = null;
else if (mode == DefaultButtonWellMode.SPINNER)
actor = this._workSpinner.actor;
else if (mode == DefaultButtonWellMode.SESSION_MENU_BUTTON)
actor = this._sessionMenuButton.actor;
return actor;
},
_setDefaultButtonWellMode: function(mode, immediately) {
if (this._defaultButtonWellMode == DefaultButtonWellMode.NONE &&
mode == DefaultButtonWellMode.NONE)
return;
let oldActor = this._getActorForDefaultButtonWellMode(this._defaultButtonWellMode);
if (oldActor)
Tweener.removeTweens(oldActor);
let actor = this._getActorForDefaultButtonWellMode(mode);
if (this._defaultButtonWellMode != mode && oldActor) {
if (immediately)
oldActor.opacity = 0;
else
Tweener.addTween(oldActor,
{ opacity: 0,
time: _DEFAULT_BUTTON_WELL_ANIMATION_TIME,
delay: _DEFAULT_BUTTON_WELL_ANIMATION_DELAY,
transition: 'linear',
onCompleteScope: this,
onComplete: function() {
if (mode == DefaultButtonWellMode.SPINNER) {
if (this._workSpinner)
this._workSpinner.stop();
}
}
});
}
if (actor) {
if (mode == DefaultButtonWellMode.SPINNER)
this._workSpinner.play();
if (immediately)
actor.opacity = 255;
else
Tweener.addTween(actor,
{ opacity: 255,
time: _DEFAULT_BUTTON_WELL_ANIMATION_TIME,
delay: _DEFAULT_BUTTON_WELL_ANIMATION_DELAY,
transition: 'linear' });
}
this._defaultButtonWellMode = mode;
},
_verificationFailed: function() {
this._promptEntry.text = '';
this._updateSensitivity(true);
this._setDefaultButtonWellMode(DefaultButtonWellMode.NONE, true);
},
_onDefaultSessionChanged: function(client, sessionId) {
this._sessionMenuButton.setActiveSession(sessionId);
},
_showMessage: function(userVerifier, message, styleClass) {
if (message) {
this._promptMessage.text = message;
this._promptMessage.styleClass = styleClass;
this._promptMessage.show();
} else {
this._promptMessage.hide();
}
},
_showLoginHint: function(verifier, message) {
this._promptLoginHint.set_text(message)
this._promptLoginHint.show();
this._promptLoginHint.opacity = 255;
},
_hideLoginHint: function() {
this._promptLoginHint.hide();
this._promptLoginHint.set_text('');
},
cancel: function() {
if (this._verifyingUser)
this._userVerifier.cancel();
else
this._reset();
},
_shouldShowSessionMenuButton: function() {
if (this._verifyingUser)
return true;
if (!this._user)
return false;
if (this._user.is_logged_in)
return false;
return true;
},
_showPrompt: function(forSecret) {
this._promptLabel.show();
this._promptEntry.show();
this._promptLoginHint.opacity = 0;
this._promptLoginHint.show();
this._promptBox.opacity = 0;
this._promptBox.show();
Tweener.addTween(this._promptBox,
{ opacity: 255,
time: _FADE_ANIMATION_TIME,
transition: 'easeOutQuad' });
if (this._shouldShowSessionMenuButton())
this._setDefaultButtonWellMode(DefaultButtonWellMode.SESSION_MENU_BUTTON, true);
else
this._setDefaultButtonWellMode(DefaultButtonWellMode.NONE, true);
this._promptEntry.grab_key_focus();
let hold = new Batch.Hold();
let tasks = [function() {
this._prepareDialog(forSecret, hold);
},
hold];
let batch = new Batch.ConcurrentBatch(this, tasks);
return batch.run();
},
_prepareDialog: function(forSecret, hold) {
this._buttonBox.visible = true;
this._buttonBox.remove_all_children();
if (!this._disableUserList || this._verifyingUser) {
this._cancelButton = new St.Button({ style_class: 'modal-dialog-button',
button_mask: St.ButtonMask.ONE | St.ButtonMask.THREE,
reactive: true,
can_focus: true,
label: _("Cancel") });
this._cancelButton.connect('clicked',
Lang.bind(this, function() {
this.cancel();
}));
this._buttonBox.add(this._cancelButton,
{ expand: false,
x_fill: false,
y_fill: false,
x_align: St.Align.START,
y_align: St.Align.END });
}
this._buttonBox.add(this._defaultButtonWell,
{ expand: true,
x_fill: false,
y_fill: false,
x_align: St.Align.END,
y_align: St.Align.MIDDLE });
this._signInButton = new St.Button({ style_class: 'modal-dialog-button',
button_mask: St.ButtonMask.ONE | St.ButtonMask.THREE,
reactive: true,
can_focus: true,
label: forSecret ? C_("button", "Sign In") : _("Next") });
this._signInButton.connect('clicked',
Lang.bind(this, function() {
hold.release();
}));
this._signInButton.add_style_pseudo_class('default');
this._buttonBox.add(this._signInButton,
{ expand: false,
x_fill: false,
y_fill: false,
x_align: St.Align.END,
y_align: St.Align.END });
this._updateSignInButtonSensitivity(this._promptEntry.text.length > 0);
this._promptEntryTextChangedId =
this._promptEntry.clutter_text.connect('text-changed',
Lang.bind(this, function() {
this._updateSignInButtonSensitivity(this._promptEntry.text.length > 0);
}));
this._promptEntryActivateId =
this._promptEntry.clutter_text.connect('activate', function() {
hold.release();
});
},
_updateSensitivity: function(sensitive) {
this._promptEntry.reactive = sensitive;
this._promptEntry.clutter_text.editable = sensitive;
this._sessionMenuButton.updateSensitivity(sensitive);
this._updateSignInButtonSensitivity(sensitive);
},
_updateSignInButtonSensitivity: function(sensitive) {
if (this._signInButton) {
this._signInButton.reactive = sensitive;
this._signInButton.can_focus = sensitive;
}
},
_hidePrompt: function() {
if (this._promptEntryTextChangedId > 0) {
this._promptEntry.clutter_text.disconnect(this._promptEntryTextChangedId);
this._promptEntryTextChangedId = 0;
}
if (this._promptEntryActivateId > 0) {
this._promptEntry.clutter_text.disconnect(this._promptEntryActivateId);
this._promptEntryActivateId = 0;
}
this._setDefaultButtonWellMode(DefaultButtonWellMode.NONE, true);
this._promptBox.hide();
this._promptLoginHint.hide();
this._promptUser.set_child(null);
this._updateSensitivity(true);
this._promptEntry.set_text('');
this._sessionMenuButton.close();
this._promptLoginHint.hide();
this._buttonBox.remove_all_children();
this._signInButton = null;
this._cancelButton = null;
},
_askQuestion: function(verifier, serviceName, question, passwordChar) {
this._promptLabel.set_text(question);
this._updateSensitivity(true);
this._promptEntry.set_text('');
this._promptEntry.clutter_text.set_password_char(passwordChar);
let tasks = [function() {
return this._showPrompt(!!passwordChar);
},
function() {
let text = this._promptEntry.get_text();
this._updateSensitivity(false);
this._setDefaultButtonWellMode(DefaultButtonWellMode.SPINNER, false);
this._userVerifier.answerQuery(serviceName, text);
}];
let batch = new Batch.ConsecutiveBatch(this, tasks);
return batch.run();
},
_showRealmLoginHint: function(realmManager, hint) {
if (!hint)
return;
hint = hint.replace(/%U/g, 'user');
hint = hint.replace(/%D/g, 'DOMAIN');
hint = hint.replace(/%[^UD]/g, '');
// Translators: this message is shown below the username entry field
// to clue the user in on how to login to the local network realm
this._showLoginHint(null, _("(e.g., user or %s)").format(hint));
},
_askForUsernameAndLogIn: function() {
this._promptLabel.set_text(_("Username: "));
this._promptEntry.set_text('');
this._promptEntry.clutter_text.set_password_char('');
let realmManager = new Realmd.Manager();
let signalId = realmManager.connect('login-format-changed',
Lang.bind(this, this._showRealmLoginHint));
this._showRealmLoginHint(realmManager.loginFormat);
let tasks = [this._showPrompt,
function() {
let userName = this._promptEntry.get_text();
this._promptEntry.reactive = false;
return this._beginVerificationForUser(userName);
},
function() {
realmManager.disconnect(signalId)
realmManager.release();
}];
let batch = new Batch.ConsecutiveBatch(this, tasks);
return batch.run();
},
_startSession: function(serviceName) {
Tweener.addTween(this.actor,
{ opacity: 0,
time: _FADE_ANIMATION_TIME,
transition: 'easeOutQuad',
onUpdate: function() {
let children = Main.layoutManager.uiGroup.get_children();
for (let i = 0; i < children.length; i++) {
if (children[i] != Main.layoutManager.screenShieldGroup)
children[i].opacity = this.actor.opacity;
}
},
onUpdateScope: this,
onComplete: function() {
Mainloop.idle_add(Lang.bind(this, function() {
this._greeter.call_start_session_when_ready_sync(serviceName, true, null);
return false;
}));
},
onCompleteScope: this });
},
_onSessionOpened: function(client, serviceName) {
if (!this._userVerifier.hasPendingMessages) {
this._startSession(serviceName);
} else {
let signalId = this._userVerifier.connect('no-more-messages',
Lang.bind(this, function() {
this._userVerifier.disconnect(signalId);
this._startSession(serviceName);
}));
}
},
_waitForItemForUser: function(userName) {
let item = this._userList.getItemFromUserName(userName);
if (item)
return null;
let hold = new Batch.Hold();
let signalId = this._userList.connect('item-added',
Lang.bind(this, function() {
let item = this._userList.getItemFromUserName(userName);
if (item)
hold.release();
}));
hold.connect('release', Lang.bind(this, function() {
this._userList.disconnect(signalId);
}));
return hold;
},
_showTimedLoginAnimation: function() {
this._timedLoginItem.actor.grab_key_focus();
return this._timedLoginItem.showTimedLoginIndicator(this._timedLoginAnimationTime);
},
_blockTimedLoginUntilIdle: function() {
// This blocks timed login from starting until a few
// seconds after the user stops interacting with the
// login screen.
//
// We skip this step if the timed login delay is very
// short.
if ((this._timedLoginDelay - _TIMED_LOGIN_IDLE_THRESHOLD) <= 0)
return null;
let hold = new Batch.Hold();
this._timedLoginIdleTimeOutId = Mainloop.timeout_add_seconds(_TIMED_LOGIN_IDLE_THRESHOLD,
function() {
this._timedLoginAnimationTime -= _TIMED_LOGIN_IDLE_THRESHOLD;
hold.release();
});
return hold;
},
_startTimedLogin: function(userName, delay) {
this._timedLoginItem = null;
this._timedLoginDelay = delay;
this._timedLoginAnimationTime = delay;
let tasks = [function() {
return this._waitForItemForUser(userName);
},
function() {
this._timedLoginItem = this._userList.getItemFromUserName(userName);
},
function() {
// If we're just starting out, start on the right
// item.
if (!this._userManager.is_loaded) {
this._userList.jumpToItem(this._timedLoginItem);
}
},
this._blockTimedLoginUntilIdle,
function() {
this._userList.scrollToItem(this._timedLoginItem);
},
this._showTimedLoginAnimation,
function() {
this._timedLoginBatch = null;
this._greeter.call_begin_auto_login_sync(userName, null);
}];
this._timedLoginBatch = new Batch.ConsecutiveBatch(this, tasks);
return this._timedLoginBatch.run();
},
_resetTimedLogin: function() {
if (this._timedLoginBatch) {
this._timedLoginBatch.cancel();
this._timedLoginBatch = null;
}
if (this._timedLoginItem)
this._timedLoginItem.hideTimedLoginIndicator();
let userName = this._timedLoginItem.user.get_user_name();
if (userName)
this._startTimedLogin(userName, this._timedLoginDelay);
},
_onTimedLoginRequested: function(client, userName, seconds) {
this._startTimedLogin(userName, seconds);
global.stage.connect('captured-event',
Lang.bind(this, function(actor, event) {
if (this._timedLoginDelay == undefined)
return false;
if (event.type() == Clutter.EventType.KEY_PRESS ||
event.type() == Clutter.EventType.BUTTON_PRESS) {
if (this._timedLoginBatch) {
this._timedLoginBatch.cancel();
this._timedLoginBatch = null;
}
} else if (event.type() == Clutter.EventType.KEY_RELEASE ||
event.type() == Clutter.EventType.BUTTON_RELEASE) {
this._resetTimedLogin();
}
return false;
}));
},
_setUserListExpanded: function(expanded) {
this._userList.updateStyle(expanded);
this._userSelectionBox.visible = expanded;
},
_hideUserListAndLogIn: function() {
this._setUserListExpanded(false);
GdmUtil.cloneAndFadeOutActor(this._userSelectionBox);
this._askForUsernameAndLogIn();
},
_showUserList: function() {
this._hidePrompt();
this._setUserListExpanded(true);
this._notListedButton.show();
this._userList.actor.grab_key_focus();
},
_beginVerificationForUser: function(userName) {
let hold = new Batch.Hold();
this._userVerifier.begin(userName, hold);
this._verifyingUser = true;
return hold;
},
_beginVerificationForItem: function(item) {
let userWidget = new UserWidget.UserWidget(item.user);
this._promptUser.set_child(userWidget.actor);
let tasks = [function() {
let userName = item.user.get_user_name();
return this._beginVerificationForUser(userName);
}];
let batch = new Batch.ConsecutiveBatch(this, tasks);
return batch.run();
},
_onUserListActivated: function(activatedItem) {
let tasks = [function() {
return GdmUtil.cloneAndFadeOutActor(this._userSelectionBox);
},
function() {
this._setUserListExpanded(false);
}];
this._user = activatedItem.user;
let batch = new Batch.ConcurrentBatch(this, [new Batch.ConsecutiveBatch(this, tasks),
this._beginVerificationForItem(activatedItem)]);
batch.run();
},
_onDestroy: function() {
if (this._userManagerLoadedId) {
this._userManager.disconnect(this._userManagerLoadedId);
this._userManagerLoadedId = 0;
}
},
_loadUserList: function() {
let users = this._userManager.list_users();
for (let i = 0; i < users.length; i++) {
this._userList.addUser(users[i]);
}
this._updateDisableUserList();
this._userManager.connect('user-added',
Lang.bind(this, function(userManager, user) {
this._userList.addUser(user);
}));
this._userManager.connect('user-removed',
Lang.bind(this, function(userManager, user) {
this._userList.removeUser(user);
}));
},
open: function() {
Main.ctrlAltTabManager.addGroup(this.actor,
_("Login Window"),
'dialog-password-symbolic',
{ sortGroup: CtrlAltTab.SortGroup.MIDDLE });
this._userList.actor.grab_key_focus();
this.actor.show();
return true;
},
close: function() {
Main.ctrlAltTabManager.removeGroup(this.dialogLayout);
},
addCharacter: function(unichar) {
this._promptEntry.clutter_text.insert_unichar(unichar);
},
});
Signals.addSignalMethods(LoginDialog.prototype);
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