# Copyright (C) 2006, Red Hat, Inc. # Copyright (C) 2007, One Laptop Per Child # # 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 from gettext import gettext as _ import re import logging import gobject import gtk import pango from xpcom.components import interfaces from xpcom import components from sugar.datastore import datastore from sugar.graphics.toolbutton import ToolButton from sugar.graphics.menuitem import MenuItem from sugar.graphics.alert import Alert from sugar.graphics.icon import Icon from sugar._sugarext import AddressEntry import filepicker import places import ssb _MAX_HISTORY_ENTRIES = 15 class WebEntry(AddressEntry): _COL_ADDRESS = 0 _COL_TITLE = 1 def __init__(self): gobject.GObject.__init__(self) self._address = None self._title = None self._search_view = self._search_create_view() self._search_window = gtk.Window(gtk.WINDOW_POPUP) self._search_window.add(self._search_view) self._search_view.show() self.connect('focus-in-event', self.__focus_in_event_cb) self.connect('populate-popup', self.__populate_popup_cb) self.connect('key-press-event', self.__key_press_event_cb) self.connect('enter-notify-event', self.__enter_notify_event_cb) self.connect('leave-notify-event', self.__leave_notify_event_cb) self._focus_out_hid = self.connect( 'focus-out-event', self.__focus_out_event_cb) self._change_hid = self.connect('changed', self.__changed_cb) def _set_text(self, text): """Set the text but block changes notification, so that we can recognize changes caused directly by user actions""" self.handler_block(self._change_hid) try: self.props.text = text finally: self.handler_unblock(self._change_hid) self.set_position(-1) def activate(self, uri): self._set_text(uri) self._search_popdown() self.emit('activate') def _set_address(self, address): self._address = address address = gobject.property(type=str, setter=_set_address) def _set_title(self, title): self._title = title if title is not None and not self.props.has_focus: self._set_text(title) title = gobject.property(type=str, setter=_set_title) def _search_create_view(self): view = gtk.TreeView() view.props.headers_visible = False view.connect('button-press-event', self.__view_button_press_event_cb) column = gtk.TreeViewColumn() view.append_column(column) cell = gtk.CellRendererText() cell.props.ellipsize = pango.ELLIPSIZE_END cell.props.ellipsize_set = True cell.props.font = 'Bold' column.pack_start(cell, True) column.set_attributes(cell, text=self._COL_TITLE) cell = gtk.CellRendererText() cell.props.ellipsize = pango.ELLIPSIZE_END cell.props.ellipsize_set = True cell.props.alignment = pango.ALIGN_LEFT column.pack_start(cell) column.set_attributes(cell, text=self._COL_ADDRESS) return view def _search_update(self): list_store = gtk.ListStore(str, str) for place in places.get_store().search(self.props.text): list_store.append([place.uri, place.title]) self._search_view.set_model(list_store) return len(list_store) > 0 def _search_popup(self): entry_x, entry_y = self.window.get_origin() entry_w, entry_h = self.size_request() x = entry_x + entry_h / 2 y = entry_y + entry_h width = self.allocation.width - entry_h height = gtk.gdk.screen_height() / 3 self._search_window.move(x, y) self._search_window.resize(width, height) self._search_window.show() def _search_popdown(self): self._search_window.hide() def __focus_in_event_cb(self, entry, event): self._set_text(self._address) self._search_popdown() def __focus_out_event_cb(self, entry, event): self._set_text(self._title) self._search_popdown() def __enter_notify_event_cb(self, entry, event): if not entry.props.has_focus: self._set_text(self._address) def __leave_notify_event_cb(self, entry, event): if not entry.props.has_focus: self._set_text(self._title) def __view_button_press_event_cb(self, view, event): model = view.get_model() path, col_, x_, y_ = view.get_path_at_pos(event.x, event.y) if path: uri = model[path][self._COL_ADDRESS] self.activate(uri) def __key_press_event_cb(self, entry, event): keyname = gtk.gdk.keyval_name(event.keyval) selection = self._search_view.get_selection() model, selected = selection.get_selected() if keyname == 'Up': if selected is None: selection.select_iter(model[-1].iter) self._set_text(model[-1][0]) else: index = model.get_path(selected)[0] if index > 0: selection.select_path(index - 1) self._set_text(model[index - 1][0]) return True elif keyname == 'Down': if selected is None: down_iter = model.get_iter_first() else: down_iter = model.iter_next(selected) if down_iter: selection.select_iter(down_iter) self._set_text(model.get(down_iter, 0)[0]) return True elif keyname == 'Return': if selected is None: return False uri = model[model.get_path(selected)][self._COL_ADDRESS] self.activate(uri) return True elif keyname == 'Escape': self._search_window.hide() return True return False def __popup_unmap_cb(self, entry): self.handler_unblock(self._focus_out_hid) def __populate_popup_cb(self, entry, menu): self.handler_block(self._focus_out_hid) menu.connect('unmap', self.__popup_unmap_cb) def __changed_cb(self, entry): self._address = self.props.text if not self.props.text or not self._search_update(): self._search_popdown() else: self._search_popup() class WebToolbar(gtk.Toolbar): __gtype_name__ = 'WebToolbar' __gsignals__ = { 'add-link': (gobject.SIGNAL_RUN_FIRST, gobject.TYPE_NONE, ([])) } def __init__(self, activity): gtk.Toolbar.__init__(self) self._activity = activity self._browser = activity._browser self._loading = False self._back = ToolButton('go-previous-paired') self._back.set_tooltip(_('Back')) 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-paired') self._forward.set_tooltip(_('Forward')) 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('media-playback-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 = WebEntry() 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._link_add = ToolButton('emblem-favorite') self._link_add.set_tooltip(_('Bookmark')) self._link_add.connect('clicked', self._link_add_clicked_cb) self.insert(self._link_add, -1) self._link_add.show() progress_listener = self._browser.progress progress_listener.connect('location-changed', self._location_changed_cb) progress_listener.connect('loading-start', self._loading_start_cb) progress_listener.connect('loading-stop', self._loading_stop_cb) progress_listener.connect('loading-progress', self._loading_progress_cb) self._browser.history.connect('session-history-changed', self._session_history_changed_cb) self._browser.connect("notify::title", self._title_changed_cb) self._create_ssb = ToolButton('activity-ssb') self._create_ssb.set_tooltip(_('Create SSB')) self._create_ssb.connect('clicked', self._create_ssb_clicked_cb) self.insert(self._create_ssb, -1) self._create_ssb.show() self._save_document = ToolButton('save') self._save_document.set_tooltip(_('Save Document')) self._save_document.connect('clicked', self._save_document_clicked_cb) self.insert(self._save_document, -1) self._save_document.show() def _session_history_changed_cb(self, session_history, current_page_index): # We have to wait until the history info is updated. gobject.idle_add(self._reload_session_history, current_page_index) def _location_changed_cb(self, progress_listener, uri): cls = components.classes['@mozilla.org/intl/texttosuburi;1'] texttosuburi = cls.getService(interfaces.nsITextToSubURI) ui_uri = texttosuburi.unEscapeURIForUI(uri.originCharset, uri.spec) self._set_address(ui_uri) self._update_navigation_buttons() filepicker.cleanup_temp_files() def _loading_start_cb(self, progress_listener): self._set_title(None) self._set_loading(True) self._update_navigation_buttons() def _loading_stop_cb(self, progress_listener): self._set_loading(False) self._update_navigation_buttons() def _loading_progress_cb(self, progress_listener, progress): self._set_progress(progress) def _set_progress(self, progress): self.entry.props.progress = progress def _set_address(self, address): self.entry.props.address = address def _set_title(self, title): self.entry.props.title = title def _show_stop_icon(self): self._stop_and_reload.set_icon('media-playback-stop') def _show_reload_icon(self): self._stop_and_reload.set_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._browser.load_uri(entry.props.text) self._browser.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 _title_changed_cb(self, embed, spec): self._set_title(embed.props.title) def _stop_and_reload_cb(self, button): if self._loading: self._browser.web_navigation.stop( \ interfaces.nsIWebNavigation.STOP_ALL) else: flags = interfaces.nsIWebNavigation.LOAD_FLAGS_NONE self._browser.web_navigation.reload(flags) def _set_loading(self, loading): self._loading = loading if self._loading: self._show_stop_icon() self._stop_and_reload.set_tooltip(_('Stop')) else: self._show_reload_icon() self._stop_and_reload.set_tooltip(_('Reload')) def _reload_session_history(self, current_page_index=None): session_history = self._browser.web_navigation.sessionHistory if current_page_index is None: current_page_index = session_history.index for palette in (self._back.get_palette(), self._forward.get_palette()): for menu_item in palette.menu.get_children(): palette.menu.remove(menu_item) if current_page_index > _MAX_HISTORY_ENTRIES: bottom = current_page_index - _MAX_HISTORY_ENTRIES else: bottom = 0 if (session_history.count - current_page_index) > \ _MAX_HISTORY_ENTRIES: top = current_page_index + _MAX_HISTORY_ENTRIES + 1 else: top = session_history.count for i in range(bottom, top): if i == current_page_index: continue entry = session_history.getEntryAtIndex(i, False) menu_item = MenuItem(entry.title, text_maxlen=60) menu_item.connect('activate', self._history_item_activated_cb, i) if i < current_page_index: palette = self._back.get_palette() palette.menu.prepend(menu_item) elif i > current_page_index: palette = self._forward.get_palette() palette.menu.append(menu_item) menu_item.show() def _history_item_activated_cb(self, menu_item, index): self._browser.web_navigation.gotoIndex(index) def _link_add_clicked_cb(self, button): self.emit('add-link') def _create_ssb_clicked_cb(self, button): title = self._activity.webtitle uri = self._activity.current #favicon = self._activity.get_favicon() pattern = re.compile(r''' (\w+) # first word [ _-]* # any amount and type of spacing (\w+)? # second word, may be absent ''', re.VERBOSE) first, second = re.search(pattern, title).groups() # CamelCase the two words first = first.capitalize() if second is not None: second = second.capitalize() name = first + ' ' + second else: name = first self._ssb = ssb.SSBCreator(name, uri) # alert to show after creation alert = Alert() alert.props.title = _('SSB Creation') cancel_icon = Icon(icon_name='dialog-cancel') alert.add_button(gtk.RESPONSE_CANCEL, _('Cancel'), cancel_icon) cancel_icon.show() open_icon = Icon(icon_name='filesave') alert.add_button(gtk.RESPONSE_APPLY, _('Show in Journal'), open_icon) open_icon.show() ok_icon = Icon(icon_name='dialog-ok') alert.add_button(gtk.RESPONSE_OK, _('Install'), ok_icon) ok_icon.show() self._activity.add_alert(alert) alert.connect('response', self._create_ssb_alert_cb) try: self._ssb.create() except Exception, e: # DEBUG: alert shows exception message alert.props.msg = _('Failed: ') + str(e) else: alert.props.msg = _('Done!') finally: alert.show() def _create_ssb_alert_cb(self, alert, response_id): self._activity.remove_alert(alert) if response_id is not gtk.RESPONSE_CANCEL: if response_id is gtk.RESPONSE_APPLY: self._ssb.show_in_journal() else: self._ssb.install() def _save_document_clicked_cb(self, button): self._activity.save_document()