name : ReleaseNotesViewerWebkit.py # 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: import gi gi.require_version("WebKit2", "4.1") 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()