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# Copyright (C) 2006, Red Hat, Inc.
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# Copyright (C) 2007, One Laptop Per Child
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or
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# (at your option) any later version.
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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from gettext import gettext as _
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from xpcom.components import interfaces
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from xpcom import components
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from sugar.graphics.toolbutton import ToolButton
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from sugar.graphics.menuitem import MenuItem
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from sugar._sugarext import AddressEntry
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import progresslistener
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_MAX_HISTORY_ENTRIES = 15
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class WebToolbar(gtk.Toolbar):
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__gtype_name__ = 'WebToolbar'
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'add-link': (gobject.SIGNAL_RUN_FIRST,
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def __init__(self, browser):
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gtk.Toolbar.__init__(self)
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self._browser = browser
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self._back = ToolButton('go-previous-paired')
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self._back.set_tooltip(_('Back'))
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self._back.props.sensitive = False
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self._back.connect('clicked', self._go_back_cb)
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self.insert(self._back, -1)
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self._forward = ToolButton('go-next-paired')
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self._forward.set_tooltip(_('Forward'))
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self._forward.props.sensitive = False
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self._forward.connect('clicked', self._go_forward_cb)
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self.insert(self._forward, -1)
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self._stop_and_reload = ToolButton('media-playback-stop')
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self._stop_and_reload.connect('clicked', self._stop_and_reload_cb)
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self.insert(self._stop_and_reload, -1)
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self._stop_and_reload.show()
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self._entry = AddressEntry()
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self._entry.connect('activate', self._entry_activate_cb)
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entry_item = gtk.ToolItem()
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entry_item.set_expand(True)
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entry_item.add(self._entry)
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self.insert(entry_item, -1)
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self._link_add = ToolButton('emblem-favorite')
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self._link_add.set_tooltip(_('Bookmark'))
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self._link_add.connect('clicked', self._link_add_clicked_cb)
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self.insert(self._link_add, -1)
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progress_listener = progresslistener.get_instance()
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progress_listener.connect('location-changed', self._location_changed_cb)
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progress_listener.connect('loading-start', self._loading_start_cb)
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progress_listener.connect('loading-stop', self._loading_stop_cb)
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progress_listener.connect('loading-progress', self._loading_progress_cb)
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session_history = sessionhistory.get_instance()
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session_history.connect('session-history-changed', self._session_history_changed_cb)
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self._browser.connect("notify::title", self._title_changed_cb)
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def _session_history_changed_cb(self, session_history, current_page_index):
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# We have to wait until the history info is updated.
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gobject.idle_add(self._reload_session_history, current_page_index)
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def _location_changed_cb(self, progress_listener, uri):
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cls = components.classes['@mozilla.org/intl/texttosuburi;1']
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texttosuburi = cls.getService(interfaces.nsITextToSubURI)
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ui_uri = texttosuburi.unEscapeURIForUI(uri.originCharset, uri.spec)
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self._set_address(ui_uri)
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self._update_navigation_buttons()
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filepicker.cleanup_temp_files()
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def _loading_start_cb(self, progress_listener):
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self._set_title(None)
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self._set_loading(True)
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self._update_navigation_buttons()
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def _loading_stop_cb(self, progress_listener):
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self._set_loading(False)
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self._update_navigation_buttons()
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def _loading_progress_cb(self, progress_listener, progress):
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self._set_progress(progress)
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def _set_progress(self, progress):
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self._entry.props.progress = progress
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def _set_address(self, address):
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self._entry.props.address = address
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def _set_title(self, title):
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self._entry.props.title = title
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def _show_stop_icon(self):
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self._stop_and_reload.set_icon('media-playback-stop')
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def _show_reload_icon(self):
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self._stop_and_reload.set_icon('view-refresh')
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def _update_navigation_buttons(self):
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can_go_back = self._browser.web_navigation.canGoBack
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self._back.props.sensitive = can_go_back
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can_go_forward = self._browser.web_navigation.canGoForward
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self._forward.props.sensitive = can_go_forward
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def _entry_activate_cb(self, entry):
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self._browser.load_uri(entry.props.text)
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self._browser.grab_focus()
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def _go_back_cb(self, button):
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self._browser.web_navigation.goBack()
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def _go_forward_cb(self, button):
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self._browser.web_navigation.goForward()
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def _title_changed_cb(self, embed, spec):
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self._set_title(embed.props.title)
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def _stop_and_reload_cb(self, button):
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self._browser.web_navigation.stop(interfaces.nsIWebNavigation.STOP_ALL)
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flags = interfaces.nsIWebNavigation.LOAD_FLAGS_NONE
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self._browser.web_navigation.reload(flags)
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def _set_loading(self, loading):
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self._loading = loading
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self._show_stop_icon()
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self._stop_and_reload.set_tooltip(_('Stop'))
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self._show_reload_icon()
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self._stop_and_reload.set_tooltip(_('Reload'))
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def _reload_session_history(self, current_page_index=None):
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if current_page_index is None:
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current_page_index = session_history.index
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for palette in (self._back.get_palette(), self._forward.get_palette()):
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for menu_item in palette.menu.get_children():
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palette.menu.remove(menu_item)
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session_history = self._browser.web_navigation.sessionHistory
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if current_page_index > _MAX_HISTORY_ENTRIES:
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bottom = current_page_index - _MAX_HISTORY_ENTRIES
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if (session_history.count - current_page_index) > \
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_MAX_HISTORY_ENTRIES:
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top = current_page_index + _MAX_HISTORY_ENTRIES + 1
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top = session_history.count
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for i in range(bottom, top):
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if i == current_page_index:
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entry = session_history.getEntryAtIndex(i, False)
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menu_item = MenuItem(entry.title, text_maxlen=60)
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menu_item.connect('activate', self._history_item_activated_cb, i)
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if i < current_page_index:
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palette = self._back.get_palette()
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palette.menu.prepend(menu_item)
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elif i > current_page_index:
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palette = self._forward.get_palette()
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palette.menu.append(menu_item)
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def _history_item_activated_cb(self, menu_item, index):
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self._browser.web_navigation.gotoIndex(index)
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def _link_add_clicked_cb(self, button):
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self.emit('add-link')
added
removed
Web.activity/webtoolbar.py
