# Copyright (C) 2006, Red Hat, Inc. # Copyright (C) 2007, One Laptop Per Child # Copyright (C) 2009, Tomeu Vizoso # # 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 logging from gettext import gettext as _ import gobject import gtk import pango import webkit from sugar.graphics.toolbutton import ToolButton from sugar.graphics.menuitem import MenuItem from sugar.graphics.toolbarbox import ToolbarBox from sugar.activity.widgets import ActivityToolbarButton from sugar.activity.widgets import StopButton from sugar.activity import activity import filepicker import places _MAX_HISTORY_ENTRIES = 15 class WebEntry(gtk.Entry): _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(int(event.x), int(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 PrimaryToolbar(ToolbarBox): __gtype_name__ = 'PrimaryToolbar' __gsignals__ = { 'add-link': (gobject.SIGNAL_RUN_FIRST, gobject.TYPE_NONE, ([])) } def __init__(self, tabbed_view, act): ToolbarBox.__init__(self) self._activity = act self._tabbed_view = tabbed_view self._loading = False activity_button = ActivityToolbarButton(self._activity) self.toolbar.insert(activity_button, 0) self._stop_and_reload = ToolButton('media-playback-stop') self._stop_and_reload.connect('clicked', self.__stop_and_reload_cb) self.toolbar.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.toolbar.insert(entry_item, -1) entry_item.show() 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.toolbar.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.toolbar.insert(self._forward, -1) self._forward.show() self._link_add = ToolButton('emblem-favorite') self._link_add.set_tooltip(_('Bookmark')) self._link_add.connect('clicked', self.__link_add_clicked_cb) self.toolbar.insert(self._link_add, -1) self._link_add.show() stop_button = StopButton(self._activity) self.toolbar.insert(stop_button, -1) self._history = None self._browser = None self._location_changed_hid = None self._loading_finished_hid = None self._loading_started_hid = None self._loading_committed_hid = None self._progress_changed_hid = None self._title_changed_hid = None gobject.idle_add(lambda: self._connect_to_browser(tabbed_view.props.current_browser)) tabbed_view.connect_after('switch-page', self.__switch_page_cb) def __switch_page_cb(self, tabbed_view, page, page_num): self._connect_to_browser(tabbed_view.props.current_browser) def _connect_to_browser(self, browser): if self._browser is not None: self._browser.disconnect(self._location_changed_hid) self._browser.disconnect(self._loading_started_hid) self._browser.disconnect(self._loading_finished_hid) self._browser.disconnect(self._loading_committed_hid) self._browser.disconnect(self._progress_changed_hid) self._browser.disconnect(self._title_changed_hid) self._browser = browser self._location_changed_hid = self._browser.connect( 'notify::uri', self.__location_changed_cb) # cannot use notify::load-status until webkitgtk 1.1.7+ self._loading_finished_hid = self._browser.connect( 'load-finished', self.__loading_finished_cb) self._loading_started_hid = self._browser.connect( 'load-started', self.__loading_started_cb) self._loading_committed_hid = self._browser.connect( 'load-committed', self.__loading_committed_cb) self._progress_changed_hid = self._browser.connect( 'load-progress-changed', self.__progress_changed_cb) self._title_changed_hid = self._browser.connect( 'title-changed', self.__title_changed_cb) self._set_progress(0) # self._browser.props.progress in wkgtk 1.1.7+ self._set_address(self._browser.props.uri) self._set_title(self._browser.props.title) self._set_loading(False) self._update_navigation_buttons() def __location_changed_cb(self, browser, user_data): self._set_address(browser.props.uri) self._update_navigation_buttons() filepicker.cleanup_temp_files() def __loading_started_cb(self, frame, user_data): self._set_loading(True) def __loading_finished_cb(self, frame, user_data): self._set_loading(False) self._update_navigation_buttons() def __loading_committed_cb(self, frame, user_data): self._reload_session_history() def __progress_changed_cb(self, browser, progress): self._set_progress(progress / 100.0) def __title_changed_cb(self, browser, frame, user_data): self._set_title(frame.get_title()) def _set_progress(self, progress): if progress == 1.0: self.entry.set_progress_fraction(0.0) else: self.entry.set_progress_fraction(progress) def _set_address(self, uri): self.entry.props.address = uri 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): browser = self._tabbed_view.props.current_browser self._back.props.sensitive = browser.can_go_back() self._forward.props.sensitive = browser.can_go_forward() def __entry_activate_cb(self, entry): browser = self._tabbed_view.props.current_browser browser.load_uri(entry.props.text) browser.grab_focus() def __go_back_cb(self, button): self._tabbed_view.props.current_browser.go_back() def __go_forward_cb(self, button): self._tabbed_view.props.current_browser.go_forward() def __stop_and_reload_cb(self, button): browser = self._tabbed_view.props.current_browser if self._loading: browser.stop() else: browser.reload() 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): logging.debug('Updating history palettes.') browser = self._tabbed_view.props.current_browser history = browser.get_back_forward_list() back_palette = self._back.get_palette() forward_palette = self._forward.get_palette() for palette in (back_palette, forward_palette): for menu_item in palette.menu.get_children(): palette.menu.remove(menu_item) back_length = history.get_back_length() forward_length = history.get_forward_length() self._populate_history_palette( history.get_back_list_with_limit(back_length), back_palette) self._populate_history_palette( history.get_forward_list_with_limit(forward_length), forward_palette) def _populate_history_palette(self, history_list, palette): logging.debug('Populating a history palette.') for history_item in history_list: menu_item = MenuItem(history_item.get_title(), text_maxlen=60) menu_item.connect('activate', self.__history_item_activated_cb, history_item) palette.menu.append(menu_item) menu_item.show() def __history_item_activated_cb(self, menu_item, history_item): browser = self._tabbed_view.props.current_browser browser.go_to_back_forward_item(history_item) def __link_add_clicked_cb(self, button): self.emit('add-link')