# 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 from gettext import gettext as _ import gobject import gtk import pango from xpcom.components import interfaces from sugar.graphics.toolbutton import ToolButton from sugar.graphics.menuitem import MenuItem from sugar.graphics import iconentry from sugar.graphics.toolbarbox import ToolbarBox as ToolbarBase from sugar.activity.widgets import ActivityToolbarButton from sugar.activity.widgets import StopButton import filepicker import places _MAX_HISTORY_ENTRIES = 15 class WebEntry(iconentry.IconEntry): _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) 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(ToolbarBase): __gtype_name__ = 'PrimaryToolbar' __gsignals__ = { 'add-link': (gobject.SIGNAL_RUN_FIRST, gobject.TYPE_NONE, ([])), 'go-home': (gobject.SIGNAL_RUN_FIRST, gobject.TYPE_NONE, ([])), } def __init__(self, tabbed_view, act): ToolbarBase.__init__(self) self._activity = act self._tabbed_view = tabbed_view self._loading = False toolbar = self.toolbar activity_button = ActivityToolbarButton(self._activity) toolbar.insert(activity_button, 0) self._go_home = ToolButton('go-home') self._go_home.set_tooltip(_('Home page')) self._go_home.connect('clicked', self._go_home_cb) toolbar.insert(self._go_home, -1) self._go_home.show() self.entry = WebEntry() self.entry.set_icon_from_name(iconentry.ICON_ENTRY_SECONDARY, 'browse-dialog-cancel') self.entry.connect('icon-press', self._stop_and_reload_cb) 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() 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) 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) 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) toolbar.insert(self._link_add, -1) self._link_add.show() stop_button = StopButton(self._activity) toolbar.insert(stop_button, -1) self._progress_listener = None self._history = None self._browser = None self._location_changed_hid = None self._loading_changed_hid = None self._progress_changed_hid = None self._session_history_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._progress_listener is not None: self._progress_listener.disconnect(self._location_changed_hid) self._progress_listener.disconnect(self._loading_changed_hid) self._progress_listener.disconnect(self._progress_changed_hid) self._progress_listener = browser.progress self._set_progress(self._progress_listener.progress) if self._progress_listener.location: self._set_address(self._progress_listener.location) else: self._set_address(None) self._set_loading(self._progress_listener.loading) self._update_navigation_buttons() self._location_changed_hid = self._progress_listener.connect( 'notify::location', self.__location_changed_cb) self._loading_changed_hid = self._progress_listener.connect( 'notify::loading', self.__loading_changed_cb) self._progress_changed_hid = self._progress_listener.connect( 'notify::progress', self.__progress_changed_cb) if self._history is not None: self._history.disconnect(self._session_history_changed_hid) self._history = browser.history self._session_history_changed_hid = self._history.connect( 'session-history-changed', self._session_history_changed_cb) self._reload_session_history() if self._browser is not None: self._browser.disconnect(self._title_changed_hid) self._browser = browser self._set_title(self._browser.props.title) self._title_changed_hid = self._browser.connect( 'notify::title', self._title_changed_cb) 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, pspec): self._set_address(progress_listener.location) self._update_navigation_buttons() filepicker.cleanup_temp_files() def __loading_changed_cb(self, progress_listener, pspec): if progress_listener.loading: self._set_title(None) self._set_loading(progress_listener.loading) self._update_navigation_buttons() def __progress_changed_cb(self, progress_listener, pspec): self._set_progress(progress_listener.progress) 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): if uri and self._browser is not None: ui_uri = self._browser.get_url_from_nsiuri(uri) else: ui_uri = None self.entry.props.address = ui_uri def _set_title(self, title): self.entry.props.title = title def _show_stop_icon(self): self.entry.set_icon_from_name(iconentry.ICON_ENTRY_SECONDARY, 'browse-dialog-cancel') def _show_reload_icon(self): self.entry.set_icon_from_name(iconentry.ICON_ENTRY_SECONDARY, 'browse-view-refresh') def _update_navigation_buttons(self): browser = self._tabbed_view.props.current_browser can_go_back = browser.web_navigation.canGoBack self._back.props.sensitive = can_go_back can_go_forward = browser.web_navigation.canGoForward self._forward.props.sensitive = 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_home_cb(self, button): self.emit('go-home') def _go_back_cb(self, button): browser = self._tabbed_view.props.current_browser browser.web_navigation.goBack() def _go_forward_cb(self, button): browser = self._tabbed_view.props.current_browser browser.web_navigation.goForward() def _title_changed_cb(self, embed, spec): self._set_title(embed.props.title) def _stop_and_reload_cb(self, entry, icon_pos, button): browser = self._tabbed_view.props.current_browser if self._loading: browser.web_navigation.stop(interfaces.nsIWebNavigation.STOP_ALL) else: flags = interfaces.nsIWebNavigation.LOAD_FLAGS_NONE browser.web_navigation.reload(flags) def _set_loading(self, loading): self._loading = loading if self._loading: self._show_stop_icon() else: self._show_reload_icon() def _reload_session_history(self, current_page_index=None): browser = self._tabbed_view.props.current_browser session_history = 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): browser = self._tabbed_view.props.current_browser browser.web_navigation.gotoIndex(index) def _link_add_clicked_cb(self, button): self.emit('add-link')