Files
gns3-gui/gns3/news_dock_widget.py
2015-03-23 15:41:10 -06:00

116 lines
3.7 KiB
Python

# -*- coding: utf-8 -*-
#
# Copyright (C) 2014 GNS3 Technologies 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 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/>.
import os
import sys
from .qt import QtGui, QtCore, QtWebKit
from .ui.news_dock_widget_ui import Ui_NewsDockWidget
from .utils.get_resource import get_resource
import logging
log = logging.getLogger(__name__)
class NewsDockWidget(QtGui.QDockWidget, Ui_NewsDockWidget):
"""
:param parent: parent widget
"""
def __init__(self, parent):
QtGui.QDockWidget.__init__(self, parent)
self.setupUi(self)
self._visible = True
self.visibilityChanged.connect(self._visibilityChangedSlot)
self.uiWebView.page().setLinkDelegationPolicy(QtWebKit.QWebPage.DelegateAllLinks)
self.uiWebView.page().mainFrame().setScrollBarPolicy(QtCore.Qt.Vertical, QtCore.Qt.ScrollBarAlwaysOff)
self.uiWebView.linkClicked.connect(self._urlClickedSlot)
self.uiWebView.loadFinished.connect(self._loadFinishedSlot)
self._refresh_timer = QtCore.QTimer(self)
self._refresh_timer.timeout.connect(self._refreshSlot)
self._refresh_timer.start(300000)
self._timer = QtCore.QTimer(self)
self._timer.timeout.connect(self._loadFinishedSlot)
self._timer.setSingleShot(True)
self._timer.start(5000)
if parent.settings()["default_local_news"]:
self._loadFinishedSlot()
else:
self.uiWebView.load(QtCore.QUrl("http://as.gns3.com/software/docked_200x200.html"))
def _visibilityChangedSlot(self, visible):
"""
Slot for visibility changed signal.
:param visible: either the dock is visible or not
"""
self._visible = visible
def isVisible(self):
return self._visible
def closeEvent(self, event):
"""
You really cannot close that dock (using ATL+F4...)
:param event: closeEvent instance.
"""
event.ignore()
def _refreshSlot(self):
"""
Refeshes the page.
"""
self.uiWebView.reload()
def _urlClickedSlot(self, url):
"""
Opens a clicked URL using user's default browser.
:param url: URL to open
"""
if QtGui.QDesktopServices.openUrl(url) is False:
QtGui.QMessageBox.critical(self, "Getting started", "Failed to open the URL: {}".format(url))
def _loadFinishedSlot(self, result=False):
"""
Slot called when the web page has been loaded.
:param result: boolean
"""
self.uiWebView.loadFinished.disconnect(self._loadFinishedSlot)
self._timer.stop()
self._timer.timeout.disconnect()
if result is False:
self._refresh_timer.stop()
# load a local resource if the page is not available
gns3_jungle = get_resource(os.path.join("static", "gns3_jungle.html"))
if gns3_jungle and not (sys.platform.startswith("win") and not sys.maxsize > 2 ** 32):
# do not show the page on Windows 32-bit (crash when no Internet connection)
self.uiWebView.load(QtCore.QUrl.fromLocalFile(gns3_jungle))
else:
self.hide()