diff options
Diffstat (limited to 'browser.py')
| -rw-r--r-- | browser.py | 157 |
1 files changed, 137 insertions, 20 deletions
@@ -18,9 +18,11 @@ import os import time +from gettext import gettext as _ import gobject import gtk +import pango import hulahop import xpcom from xpcom.nsError import * @@ -31,13 +33,16 @@ from hulahop.webview import WebView from sugar import env from sugar.activity import activity from sugar.graphics import style +from sugar.graphics.icon import Icon import sessionstore from palettes import ContentInvoker from sessionhistory import HistoryListener from progresslistener import ProgressListener +from widgets import BrowserNotebook _ZOOM_AMOUNT = 0.1 +_LIBRARY_PATH = '/usr/share/library-common/index.html' class SaveListener(object): @@ -93,9 +98,15 @@ class CommandListener(object): cert_exception.showDialog(self._window) -class TabbedView(gtk.Notebook): +class TabbedView(BrowserNotebook): __gtype_name__ = 'TabbedView' + __gsignals__ = { + 'focus-url-entry': (gobject.SIGNAL_RUN_FIRST, + gobject.TYPE_NONE, + ([])), + } + _com_interfaces_ = interfaces.nsIWindowCreator AGENT_SHEET = os.path.join(activity.get_bundle_path(), @@ -104,7 +115,7 @@ class TabbedView(gtk.Notebook): 'user-stylesheet.css') def __init__(self): - gobject.GObject.__init__(self) + BrowserNotebook.__init__(self) self.props.show_border = False self.props.scrollable = True @@ -140,8 +151,13 @@ class TabbedView(gtk.Notebook): interfaces.nsIWindowCreator) window_watcher.setWindowCreator(window_creator) - browser = Browser() - self._append_tab(browser) + self.connect('size-allocate', self.__size_allocate_cb) + self.connect('page-added', self.__page_added_cb) + self.connect('page-removed', self.__page_removed_cb) + + self.add_tab() + self._update_closing_buttons() + self._update_tab_sizes() def createChromeWindow(self, parent, flags): if flags & interfaces.nsIWebBrowserChrome.CHROME_OPENAS_CHROME: @@ -160,25 +176,104 @@ class TabbedView(gtk.Notebook): return browser.containerWindow else: - browser = Browser() + browser = Browser(self) self._append_tab(browser) return browser.browser.containerWindow + def __size_allocate_cb(self, widget, allocation): + self._update_tab_sizes() + + def __page_added_cb(self, notebook, child, pagenum): + self._update_closing_buttons() + self._update_tab_sizes() + + def __page_removed_cb(self, notebook, child, pagenum): + self._update_closing_buttons() + self._update_tab_sizes() + + def add_tab(self, next_to_current=False): + browser = Browser(self) + + label = TabLabel(browser) + label.connect('tab-close', self.__tab_close_cb) + + if next_to_current: + self._insert_tab_next(browser) + else: + self._append_tab(browser) + self.emit('focus-url-entry') + browser.load_uri('about:blank') + return browser + + def _insert_tab_next(self, browser): + label = TabLabel(browser) + label.connect('tab-close', self.__tab_close_cb) + + next_index = self.get_current_page() + 1 + self.insert_page(browser, label, next_index) + browser.show() + self.set_current_page(next_index) + def _append_tab(self, browser): label = TabLabel(browser) label.connect('tab-close', self.__tab_close_cb) self.append_page(browser, label) browser.show() - self.set_current_page(-1) - self.props.show_tabs = self.get_n_pages() > 1 + + def on_add_tab(self, gobject): + self.add_tab() def __tab_close_cb(self, label, browser): self.remove_page(self.page_num(browser)) browser.destroy() - self.props.show_tabs = self.get_n_pages() > 1 + + def _update_tab_sizes(self): + """Update ta widths based in the amount of tabs.""" + + n_pages = self.get_n_pages() + canvas_size = self.get_allocation() + overlap_size = self.style_get_property('tab-overlap') * n_pages - 1 + allowed_size = canvas_size.width - overlap_size + + tab_new_size = int(allowed_size * 1.0 / (n_pages + 1)) + # Four tabs ensured: + tab_max_size = int(allowed_size * 1.0 / (5)) + # Eight tabs ensured: + tab_min_size = int(allowed_size * 1.0 / (9)) + + if tab_new_size < tab_min_size: + tab_new_size = tab_min_size + elif tab_new_size > tab_max_size: + tab_new_size = tab_max_size + + for page_idx in range(n_pages): + page = self.get_nth_page(page_idx) + label = self.get_tab_label(page) + label.update_size(tab_new_size) + + def _update_closing_buttons(self): + """Prevent closing the last tab.""" + first_page = self.get_nth_page(0) + first_label = self.get_tab_label(first_page) + if self.get_n_pages() == 0: + return + elif self.get_n_pages() == 1: + first_label.hide_close_button() + else: + first_label.show_close_button() + + def load_homepage(self): + browser = self.current_browser + + if os.path.isfile(_LIBRARY_PATH): + browser.load_uri('file://' + _LIBRARY_PATH) + else: + default_page = os.path.join(activity.get_bundle_path(), + "data/index.html") + browser.load_uri(default_page) def _get_current_browser(self): return self.get_nth_page(self.get_current_page()) @@ -202,7 +297,7 @@ class TabbedView(gtk.Notebook): self.remove_page(self.get_n_pages() - 1) for tab_session in tab_sessions: - browser = Browser() + browser = Browser(self) self._append_tab(browser) sessionstore.set_session(browser, tab_session) @@ -230,22 +325,35 @@ class TabLabel(gtk.HBox): self._browser = browser self._browser.connect('is-setup', self.__browser_is_setup_cb) - self._label = gtk.Label('') + self._label = gtk.Label(_('Untitled')) + self._label.set_ellipsize(pango.ELLIPSIZE_END) + self._label.set_alignment(0, 0.5) self.pack_start(self._label) self._label.show() + close_tab_icon = Icon(icon_name='browse-close-tab') button = gtk.Button() - button.connect('clicked', self.__button_clicked_cb) - button.set_name('browse-tab-close') button.props.relief = gtk.RELIEF_NONE button.props.focus_on_click = False - self.pack_start(button) + icon_box = gtk.HBox() + icon_box.pack_start(close_tab_icon, True, False, 0) + button.add(icon_box) + button.connect('clicked', self.__button_clicked_cb) + button.set_name('browse-tab-close') + self.pack_start(button, expand=False) + close_tab_icon.show() + icon_box.show() button.show() + self._close_button = button + + def update_size(self, size): + self.set_size_request(size, -1) + + def hide_close_button(self): + self._close_button.hide() - close_image = gtk.image_new_from_stock(gtk.STOCK_CLOSE, - gtk.ICON_SIZE_MENU) - button.add(close_image) - close_image.show() + def show_close_button(self): + self._close_button.show() def __button_clicked_cb(self, button): self.emit('tab-close', self._browser) @@ -257,10 +365,16 @@ class TabLabel(gtk.HBox): def __location_changed_cb(self, progress_listener, pspec): url = self._browser.get_url_from_nsiuri(progress_listener.location) - self._label.set_text(url) + if url == 'about:blank': + self._label.set_text(_('Loading...')) + else: + self._label.set_text(url) def __title_changed_cb(self, browser, pspec): - self._label.set_text(browser.props.title) + if browser.props.title == "": + self._label.set_text(_('Untitled')) + else: + self._label.set_text(browser.props.title) class Browser(WebView): @@ -272,9 +386,10 @@ class Browser(WebView): ([])), } - def __init__(self): + def __init__(self, tabbed_view): WebView.__init__(self) + self.tabbed_view = tabbed_view self.history = HistoryListener() self.progress = ProgressListener() @@ -356,6 +471,8 @@ class Browser(WebView): return self.web_navigation.sessionHistory.index def set_history_index(self, index): + if index == -1: + return self.web_navigation.gotoIndex(index) |