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Diffstat (limited to 'src/leap/bitmask/gui/login.py')
| -rw-r--r-- | src/leap/bitmask/gui/login.py | 245 |
1 files changed, 245 insertions, 0 deletions
diff --git a/src/leap/bitmask/gui/login.py b/src/leap/bitmask/gui/login.py new file mode 100644 index 00000000..db7b8e2a --- /dev/null +++ b/src/leap/bitmask/gui/login.py @@ -0,0 +1,245 @@ +# -*- coding: utf-8 -*- +# login.py +# Copyright (C) 2013 LEAP +# +# 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 3 of the License, 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, see <http://www.gnu.org/licenses/>. + +""" +Login widget implementation +""" +import logging + +from PySide import QtCore, QtGui +from ui_login import Ui_LoginWidget + +from leap.bitmask.util.keyring_helpers import has_keyring + +logger = logging.getLogger(__name__) + + +class LoginWidget(QtGui.QWidget): + """ + Login widget that emits signals to display the wizard or to + perform login. + """ + + # Emitted when the login button is clicked + login = QtCore.Signal() + cancel_login = QtCore.Signal() + + # Emitted when the user selects "Other..." in the provider + # combobox or click "Create Account" + show_wizard = QtCore.Signal() + + MAX_STATUS_WIDTH = 40 + + BARE_USERNAME_REGEX = r"^[A-Za-z\d_]+$" + + def __init__(self, settings, parent=None): + """ + Constructs the LoginWidget. + + :param settings: client wide settings + :type settings: LeapSettings + :param parent: The parent widget for this widget + :type parent: QWidget or None + """ + QtGui.QWidget.__init__(self, parent) + + self._settings = settings + self._selected_provider_index = -1 + + self.ui = Ui_LoginWidget() + self.ui.setupUi(self) + + self.ui.chkRemember.stateChanged.connect( + self._remember_state_changed) + self.ui.chkRemember.setEnabled(has_keyring()) + + self.ui.lnPassword.setEchoMode(QtGui.QLineEdit.Password) + + self.ui.btnLogin.clicked.connect(self.login) + self.ui.lnPassword.returnPressed.connect(self.login) + + self.ui.lnUser.returnPressed.connect(self._focus_password) + + self.ui.cmbProviders.currentIndexChanged.connect( + self._current_provider_changed) + self.ui.btnCreateAccount.clicked.connect( + self.show_wizard) + + username_re = QtCore.QRegExp(self.BARE_USERNAME_REGEX) + self.ui.lnUser.setValidator( + QtGui.QRegExpValidator(username_re, self)) + + def _remember_state_changed(self, state): + """ + Saves the remember state in the LeapSettings + + :param state: possible stats can be Checked, Unchecked and + PartiallyChecked + :type state: QtCore.Qt.CheckState + """ + enable = True if state == QtCore.Qt.Checked else False + self._settings.set_remember(enable) + + def set_providers(self, provider_list): + """ + Set the provider list to provider_list plus an "Other..." item + that triggers the wizard + + :param provider_list: list of providers + :type provider_list: list of str + """ + self.ui.cmbProviders.blockSignals(True) + self.ui.cmbProviders.clear() + self.ui.cmbProviders.addItems(provider_list + [self.tr("Other...")]) + self.ui.cmbProviders.blockSignals(False) + + def select_provider_by_name(self, name): + """ + Given a provider name/domain, it selects it in the combobox + + :param name: name or domain for the provider + :type name: str + """ + provider_index = self.ui.cmbProviders.findText(name) + self.ui.cmbProviders.setCurrentIndex(provider_index) + + def get_selected_provider(self): + """ + Returns the selected provider in the combobox + """ + return self.ui.cmbProviders.currentText() + + def set_remember(self, value): + """ + Checks the remember user and password checkbox + + :param value: True to mark it checked, False otherwise + :type value: bool + """ + self.ui.chkRemember.setChecked(value) + + def get_remember(self): + """ + Returns the remember checkbox state + + :rtype: bool + """ + return self.ui.chkRemember.isChecked() + + def set_user(self, user): + """ + Sets the user and focuses on the next field, password. + + :param user: user to set the field to + :type user: str + """ + self.ui.lnUser.setText(user) + self._focus_password() + + def get_user(self): + """ + Returns the user that appears in the widget. + + :rtype: str + """ + return self.ui.lnUser.text() + + def set_password(self, password): + """ + Sets the password for the widget + + :param password: password to set + :type password: str + """ + self.ui.lnPassword.setText(password) + + def get_password(self): + """ + Returns the password that appears in the widget + + :rtype: str + """ + return self.ui.lnPassword.text() + + def set_status(self, status, error=True): + """ + Sets the status label at the login stage to status + + :param status: status message + :type status: str + """ + if len(status) > self.MAX_STATUS_WIDTH: + status = status[:self.MAX_STATUS_WIDTH] + "..." + if error: + status = "<font color='red'><b>%s</b></font>" % (status,) + self.ui.lblStatus.setText(status) + + def set_enabled(self, enabled=False): + """ + Enables or disables all the login widgets + + :param enabled: wether they should be enabled or not + :type enabled: bool + """ + self.ui.lnUser.setEnabled(enabled) + self.ui.lnPassword.setEnabled(enabled) + self.ui.chkRemember.setEnabled(enabled) + self.ui.cmbProviders.setEnabled(enabled) + + self._set_cancel(not enabled) + + def _set_cancel(self, enabled=False): + """ + Enables or disables the cancel action in the "log in" process. + + :param enabled: wether it should be enabled or not + :type enabled: bool + """ + text = self.tr("Cancel") + login_or_cancel = self.cancel_login + + if not enabled: + text = self.tr("Log In") + login_or_cancel = self.login + + self.ui.btnLogin.setText(text) + + self.ui.btnLogin.clicked.disconnect() + self.ui.btnLogin.clicked.connect(login_or_cancel) + + def _focus_password(self): + """ + Focuses in the password lineedit + """ + self.ui.lnPassword.setFocus() + + def _current_provider_changed(self, param): + """ + SLOT + TRIGGERS: self.ui.cmbProviders.currentIndexChanged + """ + if param == (self.ui.cmbProviders.count() - 1): + self.show_wizard.emit() + # Leave the previously selected provider in the combobox + prev_provider = 0 + if self._selected_provider_index != -1: + prev_provider = self._selected_provider_index + self.ui.cmbProviders.blockSignals(True) + self.ui.cmbProviders.setCurrentIndex(prev_provider) + self.ui.cmbProviders.blockSignals(False) + else: + self._selected_provider_index = param |