From 4e7c4b48b4255ceac06900fa9e65824c52e15ba7 Mon Sep 17 00:00:00 2001
From: elijah <elijah@riseup.net>
Date: Thu, 4 Sep 2014 17:09:29 -0700
Subject: single pref win: enabled/disable services via preferences window,
 account page.

---
 src/leap/bitmask/gui/app.py | 68 +++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 68 insertions(+)
 create mode 100644 src/leap/bitmask/gui/app.py

(limited to 'src/leap/bitmask/gui/app.py')

diff --git a/src/leap/bitmask/gui/app.py b/src/leap/bitmask/gui/app.py
new file mode 100644
index 00000000..7fcf69af
--- /dev/null
+++ b/src/leap/bitmask/gui/app.py
@@ -0,0 +1,68 @@
+# -*- coding: utf-8 -*-
+# Copyright (C) 2014 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/>.
+"""
+A single App instances holds the signals that are shared among different
+frontend UI components. The App also keeps a reference to the backend object
+and the signaler get signals from the backend.
+"""
+import logging
+
+from functools import partial
+from PySide import QtCore, QtGui
+
+from leap.bitmask.config.leapsettings import LeapSettings
+from leap.bitmask.backend.backend_proxy import BackendProxy
+from leap.bitmask.backend.leapsignaler import LeapSignaler
+
+logger = logging.getLogger(__name__)
+
+class App(QtGui.QWidget):
+
+    #preferences_saved = QtCore.Signal()
+
+    # the user has changed which services are enabled for a particular account
+    # args: account (Account), active services (list of str)
+    service_selection_changed = QtCore.Signal(object, list)
+
+    def __init__(self):
+        QtGui.QWidget.__init__(self)
+
+        self.settings = LeapSettings()
+        self.backend = BackendProxy()
+        self.signaler = LeapSignaler()
+        self.signaler.start()
+
+        # periodically check if the backend is alive
+        self._backend_checker = QtCore.QTimer(self)
+        self._backend_checker.timeout.connect(self._check_backend_status)
+        self._backend_checker.start(2000)
+
+
+    @QtCore.Slot()
+    def _check_backend_status(self):
+        """
+        TRIGGERS:
+            self._backend_checker.timeout
+
+        Check that the backend is running. Otherwise show an error to the user.
+        """
+        if not self.backend.online:
+            logger.critical("Backend is not online.")
+            QtGui.QMessageBox.critical(
+                self, self.tr("Application error"),
+                self.tr("There is a problem contacting the backend, please "
+                        "restart Bitmask."))
+            self._backend_checker.stop()
-- 
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