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# Copyright (C) 2006, Red Hat, 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 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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
import os
import logging
import gtk
import xpcom
from xpcom.components import interfaces
from sugar.graphics.toolbutton import ToolButton
from sugar.graphics import AddressEntry
class _ProgressListener:
_com_interfaces_ = interfaces.nsIWebProgressListener
def __init__(self, toolbar):
self._toolbar = toolbar
def onLocationChange(self, webProgress, request, location):
self._toolbar._update_navigation_buttons()
def onProgressChange(self, webProgress, request, curSelfProgress,
maxSelfProgress, curTotalProgress, maxTotalProgress):
pass
def onSecurityChange(self, webProgress, request, state):
pass
def onStateChange(self, webProgress, request, stateFlags, status):
if stateFlags & interfaces.nsIWebProgressListener.STATE_START:
self._toolbar._show_reload_icon()
self._toolbar._update_navigation_buttons()
if stateFlags & interfaces.nsIWebProgressListener.STATE_STOP:
self._toolbar._show_stop_icon()
self._toolbar._update_navigation_buttons()
def onStatusChange(self, webProgress, request, status, message):
pass
class WebToolbar(gtk.Toolbar):
def __init__(self, browser):
gtk.Toolbar.__init__(self)
self._browser = browser
self._back = ToolButton('go-previous')
self._back.props.sensitive = False
self._back.connect('clicked', self._go_back_cb)
self.insert(self._back, -1)
self._back.show()
self._forward = ToolButton('go-next')
self._forward.props.sensitive = False
self._forward.connect('clicked', self._go_forward_cb)
self.insert(self._forward, -1)
self._forward.show()
self._stop_and_reload = ToolButton('stop')
self._stop_and_reload.connect('clicked', self._stop_and_reload_cb)
self.insert(self._stop_and_reload, -1)
self._stop_and_reload.show()
self._entry = AddressEntry()
self._entry.connect('activate', self._entry_activate_cb)
entry_item = gtk.ToolItem()
entry_item.set_expand(True)
entry_item.add(self._entry)
self._entry.show()
self.insert(entry_item, -1)
entry_item.show()
self._listener = xpcom.server.WrapObject(
_ProgressListener(self), interfaces.nsIWebProgressListener)
weak_ref = xpcom.client.WeakReference(self._listener)
mask = interfaces.nsIWebProgress.NOTIFY_STATE_NETWORK | \
interfaces.nsIWebProgress.NOTIFY_LOCATION
self._browser.web_progress.addProgressListener(self._listener, mask)
def _show_stop_icon(self):
self._stop_and_reload.set_named_icon('stop')
def _show_reload_icon(self):
self._stop_and_reload.set_named_icon('view-refresh')
def _update_navigation_buttons(self):
can_go_back = self._browser.web_navigation.canGoBack
self._back.props.sensitive = can_go_back
can_go_forward = self._browser.web_navigation.canGoForward
self._forward.props.sensitive = can_go_forward
def _entry_activate_cb(self, entry):
self._embed.load_uri(entry.props.text)
self._embed.grab_focus()
def _go_back_cb(self, button):
self._browser.web_navigation.goBack()
def _go_forward_cb(self, button):
self._browser.web_navigation.goForward()
def _stop_and_reload_cb(self, button):
if self._embed.props.loading:
self._embed.stop_load()
else:
self._embed.reload(0)
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