// -*- 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 CtrlAltTab = imports.ui.ctrlAltTab; const Gio = imports.gi.Gio; const GLib = imports.gi.GLib; const Gtk = imports.gi.Gtk; const Mainloop = imports.mainloop; const Meta = imports.gi.Meta; const Lang = imports.lang; const Pango = imports.gi.Pango; const Realmd = imports.ui.auth.realmd; const Signals = imports.signals; const Shell = imports.gi.Shell; const St = imports.gi.St; const Gdm = imports.gi.Gdm; const Animation = imports.ui.animation; const AuthUtil = imports.ui.auth.util; const Batch = imports.misc.batch; const Fprint = imports.ui.auth.fingerprint; const Layout = imports.ui.layout; const Main = imports.ui.main; const ModalDialog = imports.ui.modalDialog; const SessionList = imports.ui.auth.sessionList; const Tweener = imports.ui.tweener; const UserAvatar = imports.ui.userAvatar; const UserList = imports.ui.auth.userList; const UserWidget = imports.ui.userWidget; const _FADE_ANIMATION_TIME = 0.25; const _SCROLL_ANIMATION_TIME = 0.5; const _WORK_SPINNER_ICON_SIZE = 24; const _WORK_SPINNER_ANIMATION_DELAY = 1.0; const _WORK_SPINNER_ANIMATION_TIME = 0.3; const _TIMED_LOGIN_IDLE_THRESHOLD = 5.0; const _LOGO_ICON_HEIGHT = 48; let _loginDialog = null; const LoginDialog = new Lang.Class({ Name: 'LoginDialog', _init: function(parentActor) { this.actor = new St.Widget({ accessible_role: Atk.Role.WINDOW, style_class: 'login-dialog' }); this.actor.add_constraint(new Layout.MonitorConstraint({ primary: true })); this.actor.connect('destroy', Lang.bind(this, this._onDestroy)); parentActor.add_child(this.actor); Main.ctrlAltTabManager.addGroup(this.actor, _("Login Window"), 'dialog-password-symbolic', { sortGroup: CtrlAltTab.SortGroup.MIDDLE }); 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 AuthUtil.ShellUserVerifier(this._greeterClient); this._userVerifier.connect('ask-question', Lang.bind(this, this._askQuestion)); this._userVerifier.connect('show-message', Lang.bind(this, this._onShowMessage)); 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: AuthUtil.LOGIN_SCREEN_SCHEMA }); this._settings.connect('changed::' + AuthUtil.BANNER_MESSAGE_KEY, Lang.bind(this, this._updateBanner)); this._settings.connect('changed::' + AuthUtil.BANNER_MESSAGE_TEXT_KEY, Lang.bind(this, this._updateBanner)); this._settings.connect('changed::' + AuthUtil.DISABLE_USER_LIST_KEY, Lang.bind(this, this._updateDisableUserList)); this._settings.connect('changed::' + AuthUtil.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.UserList(); this._userSelectionBox.add(this._userList.actor, { expand: true, x_fill: true, y_fill: true }); this._userList.actor.grab_key_focus(); this._promptBox = new St.BoxLayout({ style_class: 'login-dialog-prompt-layout', vertical: true }); 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: false, x_fill: false }); this._promptMessage = new St.Label({ opacity: 0 }); this.actor.add_child(this._promptMessage); this._promptMessagePlaceholder = new Clutter.Actor({ width: 1, height: 1 }); this._promptBox.add_child(this._promptMessagePlaceholder); this._promptMessagePlaceholder.add_constraint(new Clutter.BindConstraint({ source: this._promptMessage, coordinate: Clutter.BindCoordinate.HEIGHT })); this._promptMessage.add_constraint(new Clutter.AlignConstraint({ source: this.actor, align_axis: Clutter.AlignAxis.X_AXIS, factor: 0.5 })); this._promptMessagePlaceholder.connect("notify::y", Lang.bind(this, function() { let [placeholderX , placeholderY] = this._promptMessagePlaceholder.get_transformed_position(); let [actorX, actorY] = this.actor.get_transformed_position(); this._promptMessage.y = placeholderY - actorY; })); this._sessionList = new SessionList.SessionList(); this._sessionList.connect('session-activated', Lang.bind(this, function(list, sessionId) { this._greeter.call_select_session_sync (sessionId, null); })); this._promptBox.add(this._sessionList.actor, { expand: true, x_fill: false, y_fill: true, x_align: St.Align.START }); this._buttonBox = new St.BoxLayout({ style_class: 'login-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._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_actor(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); })); }, _updateDisableUserList: function() { let disableUserList = this._settings.get_boolean(AuthUtil.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(AuthUtil.BANNER_MESSAGE_KEY); let text = this._settings.get_string(AuthUtil.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(AuthUtil.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.opacity = 0; this._user = null; this._verifyingUser = false; if (this._disableUserList) this._hideUserListAndLogIn(); else this._showUserList(); }, _setWorking: function(working) { if (!this._workSpinner) return; Tweener.removeTweens(this._workSpinner.actor); if (working) { this._workSpinner.play(); Tweener.addTween(this._workSpinner.actor, { opacity: 255, delay: _WORK_SPINNER_ANIMATION_DELAY, time: _WORK_SPINNER_ANIMATION_TIME, transition: 'linear' }); } else { Tweener.addTween(this._workSpinner.actor, { opacity: 0, time: _WORK_SPINNER_ANIMATION_TIME, transition: 'linear', onCompleteScope: this, onComplete: function() { if (this._workSpinner) this._workSpinner.stop(); } }); } }, _verificationFailed: function() { this._promptEntry.text = ''; this._updateSensitivity(true); this._setWorking(false); }, _onDefaultSessionChanged: function(client, sessionId) { this._sessionList.setActiveSession(sessionId); }, _showMessage: function(message, styleClass) { if (message) { this._promptMessage.text = message; this._promptMessage.styleClass = styleClass; this._promptMessage.opacity = 255; } else { this._promptMessage.opacity = 0; } }, _onShowMessage: function(userVerifier, message, styleClass) { this._showMessage(message, styleClass); this._loginHintShown = false; }, _showLoginHint: function(verifier, message) { this._showMessage(message, 'login-dialog-prompt-login-hint-message'); this._loginHintShown = true; }, _hideLoginHint: function() { if (!this._loginHintShown) return; this._showMessage('', 'login-dialog-prompt-login-hint-message'); this._loginHintShown = false; }, cancel: function() { if (this._verifyingUser) this._userVerifier.cancel(); else this._reset(); }, _showPrompt: function(forSecret) { this._sessionList.actor.hide(); this._promptLabel.show(); this._promptEntry.show(); this._promptBox.opacity = 0; this._promptBox.show(); Tweener.addTween(this._promptBox, { opacity: 255, time: _FADE_ANIMATION_TIME, transition: 'easeOutQuad' }); if ((this._user && !this._user.is_logged_in()) || this._verifyingUser) this._sessionList.actor.show(); 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.destroy_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(); })); global.stage.connect('captured-event', Lang.bind(this, function(actor, event) { if (event.type() == Clutter.EventType.KEY_PRESS && event.get_key_symbol() == Clutter.KEY_Escape) { this.cancel(); } })); this._buttonBox.add(this._cancelButton, { expand: true, x_fill: false, y_fill: false, x_align: St.Align.START, y_align: St.Align.END }); } let spinnerIcon = global.datadir + '/theme/process-working.svg'; this._workSpinner = new Animation.AnimatedIcon(spinnerIcon, _WORK_SPINNER_ICON_SIZE); this._workSpinner.actor.opacity = 0; this._workSpinner.actor.show(); this._buttonBox.add(this._workSpinner.actor, { expand: false, 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: true, 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._sessionList.updateSensitivity(sensitive); this._updateSignInButtonSensitivity(sensitive); }, _updateSignInButtonSensitivity: function(sensitive) { if (this._signInButton) { this._signInButton.reactive = sensitive; this._signInButton.can_focus = sensitive; } }, _hidePrompt: function() { this._buttonBox.destroy_all_children(); 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._setWorking(false); this._promptBox.hide(); this._promptUser.set_child(null); this._updateSensitivity(true); this._promptEntry.set_text(''); this._sessionList.close(); this._buttonBox.destroy_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._setWorking(true); 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); AuthUtil.cloneAndFadeOutActor(this._userSelectionBox); this._askForUsernameAndLogIn(); }, _showUserList: function() { this._hidePrompt(); this._setUserListExpanded(true); 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 AuthUtil.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; } Main.ctrlAltTabManager.removeGroup(this.actor); }, _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); })); }, addCharacter: function(unichar) { this._promptEntry.clutter_text.insert_unichar(unichar); }, });