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# ReleaseNotesViewer.py
# -*- Mode: Python; indent-tabs-mode: nil; tab-width: 4; coding: utf-8 -*-
#
# Copyright (c) 2011 Canonical
#
# Author: Michael Vogt <mvo@ubutnu.com>
#
# This modul provides an inheritance of the Gtk.TextView that is
# aware of http URLs and allows to open them in a browser.
# It is based on the pygtk-demo "hypertext".
#
# 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 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, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
# USA
from .ReleaseNotesViewer import open_url
from gi.repository import Gtk
webkit2 = False
try:
from gi.repository import WebKit2 as WebKit
webkit2 = True
except ImportError:
from gi.repository import WebKit
class ReleaseNotesViewerWebkit(WebKit.WebView):
def __init__(self, notes_url):
super(ReleaseNotesViewerWebkit, self).__init__()
self.load_uri(notes_url)
if webkit2:
self.connect("decide-policy",
self._on_decide_policy)
else:
self.connect("navigation-policy-decision-requested",
self._on_navigation_policy_decision_requested)
def _on_navigation_policy_decision_requested(self, view, frame,
request, action, policy):
open_url(request.get_uri())
policy.ignore()
return True
def _on_decide_policy(self, web_view, decision, decision_type):
if decision_type == WebKit.PolicyDecisionType.NAVIGATION_ACTION:
navigation_action = decision.get_navigation_action()
navigation_request = navigation_action.get_request()
navigation_type = navigation_action.get_navigation_type()
if navigation_type == WebKit.NavigationType.LINK_CLICKED:
uri = navigation_request.get_uri()
open_url(uri)
decision.ignore()
return True
return False
if __name__ == "__main__":
win = Gtk.Window()
win.set_size_request(600, 400)
scroll = Gtk.ScrolledWindow()
rv = ReleaseNotesViewerWebkit("http://archive.ubuntu.com/ubuntu/dists/"
"devel/main/dist-upgrader-all/current/"
"ReleaseAnnouncement.html")
scroll.add(rv)
win.add(scroll)
win.show_all()
Gtk.main()