adapt to evince 2.30 API (SL#1900)

PDFs are working fine, EPub support is limited:
  - search not working
  - copy to clipboard disabled
  - zoom disabled
  - page next/prev disabled

Tested-by: Sascha Silbe <sascha-pgp@silbe.org>
[combined into a single patch, wrote patch description, minor style clean-ups]
Signed-off-by: Sascha Silbe <sascha-pgp@silbe.org>

6 files changed, 137 insertions, 114 deletions

diff --git a/epubadapter.py b/epubadapter.py
index 2bea967..a11cdd7 100644
--- a/epubadapter.py
+++ b/epubadapter.py
@@ -51,9 +51,6 @@ class EpubDocument(epubview.Epub):
         epubview.Epub.__init__(self, docpath)
         self._page_cache = view
 
-    def get_page_cache(self):
-        return self._page_cache
-
     def get_n_pages(self):
         return int(self._page_cache.get_pagecount())
 
diff --git a/epubview/epub.py b/epubview/epub.py
index 9a05abf..560c20a 100644
--- a/epubview/epub.py
+++ b/epubview/epub.py
@@ -137,9 +137,9 @@ class _Epub(object):
 
     def get_info(self):
         '''
-        Returns a EpubInfo object for the open Epub file
+        Returns a EpubInfo object title
         '''
-        return self._info
+        return self._info.title
 
     def close(self):
         '''
diff --git a/epubview/epubview.py b/epubview/epubview.py
index 31acb3f..197dcd3 100644
--- a/epubview/epubview.py
+++ b/epubview/epubview.py
@@ -37,15 +37,14 @@ LOADING_HTML = '''
 class _View(gtk.HBox):
 
     __gproperties__ = {
-        'has-selection': (gobject.TYPE_BOOLEAN, 'whether has selection',
-                          'whether the widget has selection or not',
-                          0, gobject.PARAM_READABLE),
-        'zoom': (gobject.TYPE_FLOAT, 'the zoom level',
-                 'the zoom level of the widget',
-                 0.5, 4.0, 1.0, gobject.PARAM_READWRITE),
+        'scale' : (gobject.TYPE_FLOAT, 'the zoom level',
+                   'the zoom level of the widget',
+                   0.5, 4.0, 1.0, gobject.PARAM_READWRITE),
     }
     __gsignals__ = {
         'page-changed': (gobject.SIGNAL_RUN_FIRST, gobject.TYPE_NONE, ([])),
+        'selection-changed': (gobject.SIGNAL_RUN_FIRST, gobject.TYPE_NONE,
+                              ([])),
     }
 
     def __init__(self):
@@ -63,8 +62,8 @@ class _View(gtk.HBox):
         self.__going_fwd = True
         self.__going_back = False
         self.__page_changed = False
-        self.has_selection = False
-        self.zoom = 1.0
+        self._has_selection = False
+        self.scale = 1.0
         self._epub = None
         self._findjob = None
         self.__in_search = False
@@ -107,9 +106,9 @@ class _View(gtk.HBox):
 
     def do_get_property(self, property):
         if property.name == 'has-selection':
-            return self.has_selection
+            return self._has_selection
         elif property.name == 'zoom':
-            return self.zoom
+            return self.scale
         else:
             raise AttributeError, 'unknown property %s' % property.name
 
@@ -123,7 +122,7 @@ class _View(gtk.HBox):
         '''
         Returns True if any part of the content is selected
         '''
-        return self.get_property('has-selection')
+        return self._has_selection
 
     def get_zoom(self):
         '''
@@ -161,7 +160,7 @@ class _View(gtk.HBox):
         '''
         Returns True if it is possible to zoom in further
         '''
-        if self.zoom < 4:
+        if self.scale < 4:
             return True
         else:
             return False
@@ -170,7 +169,7 @@ class _View(gtk.HBox):
         '''
         Returns True if it is possible to zoom out further
         '''
-        if self.zoom > 0.5:
+        if self.scale > 0.5:
             return True
         else:
             return False
@@ -293,12 +292,11 @@ class _View(gtk.HBox):
 
     def __set_zoom(self, value):
         self._view.set_zoom_level(value)
-        self.zoom = value
+        self.scale = value
 
     def __set_has_selection(self, value):
-        if value != self.has_selection:
-            self.has_selection = value
-            self.notify('has-selection')
+        if value != self._has_selection:
+            self._has_selection = value
 
     def _view_populate_popup_cb(self, view, menu):
         menu.destroy() #HACK
@@ -308,6 +306,7 @@ class _View(gtk.HBox):
         # FIXME: This does not seem to be implemented in
         # webkitgtk yet
         print view.has_selection()
+        self.emit('selection-changed')
 
     def _view_buttonrelease_event_cb(self, view, event):
         # Ugly hack
@@ -350,7 +349,6 @@ class _View(gtk.HBox):
         return False
 
     def _view_load_finished_cb(self, v, frame):
-
         # Normally the line below would not be required - ugly workaround for
         # possible Webkit bug. See : https://bugs.launchpad.net/bugs/483231
         self._sw.set_policy(gtk.POLICY_AUTOMATIC, gtk.POLICY_NEVER)
diff --git a/readactivity.py b/readactivity.py
index 5aff808..ba8bbfa 100644
--- a/readactivity.py
+++ b/readactivity.py
@@ -54,8 +54,9 @@ from readtopbar import TopBar
 _EPUB_SUPPORT = True
 try:
     import epubadapter
-except:
+except ImportError, e:
     _EPUB_SUPPORT = False
+    logging.warning('Epub support disabled because: %s' % e)
 
 
 _HARDWARE_MANAGER_INTERFACE = 'org.laptop.HardwareManager'
@@ -138,10 +139,6 @@ class ReadActivity(activity.Activity):
     def __init__(self, handle):
         activity.Activity.__init__(self, handle)
 
-        if hasattr(evince, 'evince_embed_init'):
-            # if we use evince-2.24
-            evince.evince_embed_init()
-
         self._epub = False
         self._document = None
         self._fileserver = None
@@ -180,8 +177,6 @@ class ReadActivity(activity.Activity):
         edit_toolbar_button.show()
 
         self._view_toolbar = ViewToolbar()
-        self._view_toolbar.connect('needs-update-size',
-                self.__view_toolbar_needs_update_size_cb)
         self._view_toolbar.connect('go-fullscreen',
                 self.__view_toolbar_go_fullscreen_cb)
         view_toolbar_button = ToolbarButton(
@@ -418,7 +413,7 @@ class ReadActivity(activity.Activity):
         elif page < 0:
             page = 0
 
-        self._document.get_page_cache().set_current_page(page)
+        self._model.props.page = page
         entry.props.text = str(page + 1)
 
     def __go_back_cb(self, button):
@@ -434,42 +429,42 @@ class ReadActivity(activity.Activity):
         self._view.next_page()
 
     def __prev_bookmark_activate_cb(self, menuitem):
-        page = self._document.get_page_cache().get_current_page()
+        page = self._model.props.page
         bookmarkmanager = self._sidebar.get_bookmarkmanager()
 
         prev_bookmark = bookmarkmanager.get_prev_bookmark_for_page(page)
         if prev_bookmark is not None:
-            self._document.get_page_cache().set_current_page(prev_bookmark.page_no)
+            self._model.props.page = prev_bookmark.page_no
 
     def __next_bookmark_activate_cb(self, menuitem):
-        page = self._document.get_page_cache().get_current_page()
+        page = self._model.props.page
         bookmarkmanager = self._sidebar.get_bookmarkmanager()
 
         next_bookmark = bookmarkmanager.get_next_bookmark_for_page(page)
         if next_bookmark is not None:
-            self._document.get_page_cache().set_current_page(next_bookmark.page_no)
+            self._model.props.page = next_bookmark.page_no
 
     def __bookmarker_toggled_cb(self, button):
-        page = self._document.get_page_cache().get_current_page()
+        page = self._model.props.page
         if self._bookmarker.props.active:
             self._sidebar.add_bookmark(page)
         else:
             self._sidebar.del_bookmark(page)
 
-    def __page_changed_cb(self, page, proxy=None):
+    def __page_changed_cb(self, model, page_from, page_to):
         self._update_nav_buttons()
         if hasattr(self._document, 'has_document_links'):
             if self._document.has_document_links():
                 self._toc_select_active_page()
 
-        self._sidebar.update_for_page(self._document.get_page_cache().get_current_page())
+        self._sidebar.update_for_page(self._model.props.page)
 
         self._bookmarker.handler_block(self._bookmarker_toggle_handler_id)
         self._bookmarker.props.active = self._sidebar.is_showing_local_bookmark()
         self._bookmarker.handler_unblock(self._bookmarker_toggle_handler_id)
 
     def _update_nav_buttons(self):
-        current_page = self._document.get_page_cache().get_current_page()
+        current_page = self._model.props.page
         self._back_button.props.sensitive = current_page > 0
         self._forward_button.props.sensitive = \
             current_page < self._document.get_n_pages() - 1
@@ -520,7 +515,7 @@ class ReadActivity(activity.Activity):
         iter = self._navigator.get_active_iter()
 
         current_link = self._toc_model.get(iter, 1)[0]
-        current_page = self._document.get_page_cache().get_current_page()
+        current_page = self._model.props.page
 
         if not hasattr(current_link, 'get_page'):
             filepath = self._view.get_current_file()
@@ -621,20 +616,20 @@ class ReadActivity(activity.Activity):
 
         try:
             self.metadata['Read_current_page'] = \
-                        str(self._document.get_page_cache().get_current_page())
+                        str(self._model.props.page)
 
-            self.metadata['Read_zoom'] = str(self._view.props.zoom)
+            self.metadata['Read_zoom'] = str(self._model.props.scale)
 
             if not self._epub:
-                if self._view.props.sizing_mode == evince.SIZING_BEST_FIT:
+                if self._model.props.sizing_mode == evince.SIZING_BEST_FIT:
                     self.metadata['Read_sizing_mode'] = "best-fit"
-                elif self._view.props.sizing_mode == evince.SIZING_FREE:
+                elif self._model.props.sizing_mode == evince.SIZING_FREE:
                     self.metadata['Read_sizing_mode'] = "free"
-                elif self._view.props.sizing_mode == evince.SIZING_FIT_WIDTH:
+                elif self._model.props.sizing_mode == evince.SIZING_FIT_WIDTH:
                     self.metadata['Read_sizing_mode'] = "fit-width"
                 else:
                     _logger.error("Don't know how to save sizing_mode state '%s'" %
-                                  self._view.props.sizing_mode)
+                                  self._model.props.sizing_mode)
                 self.metadata['Read_sizing_mode'] = "fit-width"
 
             self.metadata['Read_search'] = \
@@ -766,17 +761,16 @@ class ReadActivity(activity.Activity):
     def _setup_epub_viewer(self):
         self._view = epubadapter.View()
         self._view.set_screen_dpi(_get_screen_dpi())
-        self._view.connect('notify::has-selection',
-                            self._view_notify_has_selection_cb)
+        self._view.connect('selection-changed',
+                            self._view_selection_changed_cb)
 
         self._hbox.pack_start(self._view, expand=True, fill=True)
         self._view.show_all()
 
     def _setup_evince_viewer(self):
         self._view = evince.View()
-        self._view.set_screen_dpi(_get_screen_dpi())
-        self._view.connect('notify::has-selection',
-                            self._view_notify_has_selection_cb)
+        self._view.connect('selection-changed',
+                            self._view_selection_changed_cb)
 
         self._scrolled = gtk.ScrolledWindow()
         self._scrolled.set_policy(gtk.POLICY_AUTOMATIC, gtk.POLICY_AUTOMATIC)
@@ -798,22 +792,39 @@ class ReadActivity(activity.Activity):
         if mimetype == 'application/epub+zip':
             if not _EPUB_SUPPORT:
                 self.close()
+                return
             self._epub = True
             self._setup_epub_viewer()
             self._document = epubadapter.EpubDocument(self._view, filepath.replace('file://', ''))
+            self._model = None
+
+            self._view.set_document(self._document)
         else:
             self._setup_evince_viewer()
             try:
-                self._document = evince.factory_get_document(filepath)
+                self._document = evince.document_factory_get_document(filepath)
             except GError, e:
                 _logger.error('Can not load document: %s', e)
                 return
+            else:
+                self._model = evince.DocumentModel()
+                self._model.set_document(self._document)
+                self._view.set_model(self._model)
 
-        self._view_toolbar.set_view(self._view)
-        self._edit_toolbar.set_view(self._view)
+                # set dpi
+                dpi = _get_screen_dpi()
+                min_scale = self._model.get_min_scale()
+                max_scale = self._model.get_max_scale()
+                self._model.set_min_scale(min_scale * dpi / 72.0)
+                self._model.set_max_scale(max_scale * dpi / 72.0)
 
         self._want_document = False
-        self._view.set_document(self._document)
+
+        # set dpi
+
+        self._view_toolbar.set_view(self._view, self._model)
+        self._edit_toolbar.set_view(self._view)
+
         self._edit_toolbar.set_document(self._document)
         self._topbar.set_document(self._document)
 
@@ -823,27 +834,26 @@ class ReadActivity(activity.Activity):
         self._update_nav_buttons()
         self._update_toc()
 
-        page_cache = self._document.get_page_cache()
-        page_cache.connect('page-changed', self.__page_changed_cb)
+        self._model.connect('page-changed', self.__page_changed_cb)
 
         if not self.metadata['title_set_by_user'] == '1':
-            info = self._document.get_info()
-            if info and info.title:
-                self.metadata['title'] = info.title
+            title = self._document.get_title()
+            if title:
+                self.metadata['title'] = title
 
         if not self._epub:
             sizing_mode = self.metadata.get('Read_sizing_mode', 'fit-width')
             _logger.debug('Found sizing mode: %s', sizing_mode)
             if sizing_mode == "best-fit":
-                self._view.props.sizing_mode = evince.SIZING_BEST_FIT
+                self._model.props.sizing_mode = evince.SIZING_BEST_FIT
                 if hasattr(self._view, 'update_view_size'):
                     self._view.update_view_size(self._scrolled)
             elif sizing_mode == "free":
-                self._view.props.sizing_mode = evince.SIZING_FREE
-                self._view.props.zoom = float(self.metadata.get('Read_zoom', '1.0'))
-                _logger.debug('Set zoom to %f', self._view.props.zoom)
+                self._model.props.sizing_mode = evince.SIZING_FREE
+                self._model.props.scale = float(self.metadata.get('Read_zoom', '1.0'))
+                _logger.debug('Set zoom to %f', self._model.props.scale)
             elif sizing_mode == "fit-width":
-                self._view.props.sizing_mode = evince.SIZING_FIT_WIDTH
+                self._model.props.sizing_mode = evince.SIZING_FIT_WIDTH
                 if hasattr(self._view, 'update_view_size'):
                     self._view.update_view_size(self._scrolled)
             else:
@@ -851,7 +861,7 @@ class ReadActivity(activity.Activity):
                 # version of Read, for example.
                 _logger.warning("Unknown sizing_mode state '%s'", sizing_mode)
                 if self.metadata.get('Read_zoom', None) is not None:
-                    self._view.props.zoom = float(self.metadata['Read_zoom'])
+                    self._model.props.scale = float(self.metadata['Read_zoom'])
 
         self._view_toolbar._update_zoom_buttons()
 
@@ -860,7 +870,7 @@ class ReadActivity(activity.Activity):
 
         current_page = int(self.metadata.get('Read_current_page', '0'))
         _logger.debug('Setting page to: %d', current_page)
-        self._document.get_page_cache().set_current_page(current_page)
+        self._model.props.page = current_page
 
         # We've got the document, so if we're a shared activity, offer it
         try:
@@ -932,8 +942,8 @@ class ReadActivity(activity.Activity):
         self.watch_for_tubes()
         self._share_document()
 
-    def _view_notify_has_selection_cb(self, view, pspec):
-        self._edit_toolbar.copy.set_sensitive(self._view.props.has_selection)
+    def _view_selection_changed_cb(self, view):
+        self._edit_toolbar.copy.props.sensitive = view.get_has_selection()
 
     def _edit_toolbar_copy_cb(self, button):
         self._view.copy()
diff --git a/readtoolbar.py b/readtoolbar.py
index acd459f..93612d2 100644
--- a/readtoolbar.py
+++ b/readtoolbar.py
@@ -15,6 +15,7 @@
 # Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
 
 from gettext import gettext as _
+import logging
 
 import gobject
 import gtk
@@ -22,7 +23,7 @@ import evince
 
 try:
     import epubadapter
-except:
+except ImportError:
     pass
 
 from sugar.graphics.toolbutton import ToolButton
@@ -98,7 +99,7 @@ class EditToolbar(activity.EditToolbar):
             try:
                 self._find_job = evince.JobFind(document=self._document, start_page=0, n_pages=self._document.get_n_pages(), text=text, case_sensitive=False)
                 self._find_updated_handler = self._find_job.connect('updated', self._find_updated_cb)
-                evince.job_scheduler_push_job(self._find_job, evince.JOB_PRIORITY_NONE)
+                evince.Job.scheduler_push_job(self._find_job, evince.JOB_PRIORITY_NONE)
             except TypeError:
                 self._find_job = epubadapter.JobFind(document=self._document, start_page=0, n_pages=self._document.get_n_pages(), text=text, case_sensitive=False)
                 self._find_updated_handler = self._find_job.connect('updated', self._find_updated_cb)
@@ -126,11 +127,16 @@ class EditToolbar(activity.EditToolbar):
             self._search_find_next()
 
     def _search_entry_changed_cb(self, entry):
+        logging.debug('Search entry: %s' % (entry.props.text))
         self._search_entry_changed = True
         self._update_find_buttons()
 
-# Automatically start search, maybe after timeout?
-#        self._search_find_first()
+    #    gobject.timeout_add(500, self._search_entry_timeout_cb)
+    #
+    #def _search_entry_timeout_cb(self):
+    #    self._clear_find_job()
+    #    self._search_find_first()
+    #    return False
 
     def _find_changed_cb(self, page, spec):
         self._update_find_buttons()
@@ -171,8 +177,6 @@ class ViewToolbar(gtk.Toolbar):
     __gtype_name__ = 'ViewToolbar'
 
     __gsignals__ = {
-        'needs-update-size': (gobject.SIGNAL_RUN_FIRST, gobject.TYPE_NONE,
-                              ([])),
         'go-fullscreen': (gobject.SIGNAL_RUN_FIRST, gobject.TYPE_NONE, ([])),
     }
 
@@ -243,37 +247,48 @@ class ViewToolbar(gtk.Toolbar):
 
         self._view_notify_zoom_handler = None
 
-    def set_view(self, view):
+    def set_view(self, view, model):
+        # FIXME epubview needs fixing, until then toolbar is disabled
+        if model == None:
+            self._zoom_in.props.sensitive = False
+            self._zoom_out.props.sensitive = False
+            self._zoom_to_width.props.sensitive = False
+            self._zoom_spin.props.sensitive = False
+            return
+
+        self._evince_model = model
         self._evince_view = view
-        self._zoom_spin.props.value = self._evince_view.props.zoom * 100
-        self._view_notify_zoom_handler = self._evince_view.connect(
-            'notify::zoom', self._view_notify_zoom_cb)
+
+        self._zoom_spin.props.value = self._evince_model.props.scale * 100
+        self._view_notify_zoom_handler = self._evince_model.connect(
+            'notify::scale', self._view_notify_zoom_cb)
 
         self._update_zoom_buttons()
 
     def _zoom_spin_notify_value_cb(self, zoom_spin, pspec):
+        self._evince_model.props.sizing_mode = evince.SIZING_FREE
+
         if not self._view_notify_zoom_handler:
             return
-        self._evince_view.disconnect(self._view_notify_zoom_handler)
+
+        self._evince_model.disconnect(self._view_notify_zoom_handler)
         try:
-            if hasattr(self._evince_view.props, 'sizing_mode'):
-                self._evince_view.props.sizing_mode = evince.SIZING_FREE
-            self._evince_view.props.zoom = zoom_spin.props.value / 100.0
+            self._evince_model.props.scale = zoom_spin.props.value / 100.0
         finally:
-            self._view_notify_zoom_handler = self._evince_view.connect(
-                    'notify::zoom', self._view_notify_zoom_cb)
+            self._view_notify_zoom_handler = self._evince_model.connect(
+                'notify::scale', self._view_notify_zoom_cb)
 
-    def _view_notify_zoom_cb(self, evince_view, pspec):
+    def _view_notify_zoom_cb(self, evince_model, pspec):
         self._zoom_spin.disconnect(self._zoom_spin_notify_value_handler)
         try:
-            self._zoom_spin.props.value = round(evince_view.props.zoom * 100.0)
+            self._zoom_spin.props.value = round(evince_model.props.scale *
+                                                100.0)
         finally:
             self._zoom_spin_notify_value_handler = self._zoom_spin.connect(
                     'notify::value', self._zoom_spin_notify_value_cb)
 
     def zoom_in(self):
-        if hasattr(self._evince_view.props, 'sizing_mode'):
-            self._evince_view.props.sizing_mode = evince.SIZING_FREE
+        self._evince_model.props.sizing_mode = evince.SIZING_FREE
         self._evince_view.zoom_in()
         self._update_zoom_buttons()
 
@@ -281,8 +296,7 @@ class ViewToolbar(gtk.Toolbar):
         self.zoom_in()
 
     def zoom_out(self):
-        if hasattr(self._evince_view.props, 'sizing_mode'):
-            self._evince_view.props.sizing_mode = evince.SIZING_FREE
+        self._evince_model.props.sizing_mode = evince.SIZING_FREE
         self._evince_view.zoom_out()
         self._update_zoom_buttons()
 
@@ -290,9 +304,7 @@ class ViewToolbar(gtk.Toolbar):
         self.zoom_out()
 
     def zoom_to_width(self):
-        if hasattr(self._evince_view.props, 'sizing_mode'):
-            self._evince_view.props.sizing_mode = evince.SIZING_FIT_WIDTH
-        self.emit('needs-update-size')
+        self._evince_model.props.sizing_mode = evince.SIZING_FIT_WIDTH
         self._update_zoom_buttons()
 
     def _zoom_to_width_cb(self, button):
@@ -303,15 +315,12 @@ class ViewToolbar(gtk.Toolbar):
         self._zoom_out.props.sensitive = self._evince_view.can_zoom_out()
 
     def _zoom_to_fit_menu_item_activate_cb(self, menu_item):
-        if hasattr(self._evince_view.props, 'sizing_mode'): #XXX
-            self._evince_view.props.sizing_mode = evince.SIZING_BEST_FIT
-        self.emit('needs-update-size')
+        self._evince_model.props.sizing_mode = evince.SIZING_BEST_FIT
         self._update_zoom_buttons()
 
     def _actual_size_menu_item_activate_cb(self, menu_item):
-        if hasattr(self._evince_view.props, 'sizing_mode'):
-            self._evince_view.props.sizing_mode = evince.SIZING_FREE
-        self._evince_view.props.zoom = 1.0
+        self._evince_model.props.sizing_mode = evince.SIZING_FREE
+        self._evince_model.props.scale = 1.0
         self._update_zoom_buttons()
 
     def _fullscreen_cb(self, button):
diff --git a/readtopbar.py b/readtopbar.py
index 630601b..c6ce422 100644
--- a/readtopbar.py
+++ b/readtopbar.py
@@ -18,6 +18,9 @@
 
 import gtk, gobject
 import dbus
+import logging
+
+import evince
 
 from sugar.graphics import style
 from sugar.graphics.icon import Icon, get_icon_state
@@ -133,17 +136,22 @@ class _TopBar(gtk.HBox):
         self._completion_level = 0
         self._progressbar = None
 
-        bus = dbus.Bus(dbus.Bus.TYPE_SYSTEM)
-        proxy = bus.get_object('org.freedesktop.Hal',
-                                '/org/freedesktop/Hal/Manager')
-        hal_manager = dbus.Interface(proxy, 'org.freedesktop.Hal.Manager')
-        udis = hal_manager.FindDeviceByCapability('battery')
-        if len(udis) > 0:
-            self._battery = BattMan(udis[0]) # TODO: Support more than one battery
-            self._battery.connect('notify::level', \
-                self._battery_level_changed_cb)
-        else:
+        try:
+            bus = dbus.Bus(dbus.Bus.TYPE_SYSTEM)
+            proxy = bus.get_object('org.freedesktop.Hal',
+                                    '/org/freedesktop/Hal/Manager')
+            hal_manager = dbus.Interface(proxy, 'org.freedesktop.Hal.Manager')
+            udis = hal_manager.FindDeviceByCapability('battery')
+            if len(udis) > 0:
+                self._battery = BattMan(udis[0]) # TODO: Support more than one battery
+                self._battery.connect('notify::level', \
+                    self._battery_level_changed_cb)
+            else:
+                self._battery = None
+        except dbus.exceptions.DBusException:
             self._battery = None
+            logging.warning('Hardware manager service not found, no idle \
+                            suspend.')
 
         self._icon = None
 
@@ -189,11 +197,12 @@ class TopBar(_TopBar):
     def set_document(self, document):
         self._document = document
 
-        page_cache = self._document.get_page_cache()
-        page_cache.connect('page-changed', self._page_changed_cb)
+        model = evince.DocumentModel()
+        model.props.document = self._document
+        model.connect('page-changed', self._page_changed_cb)
 
-    def _page_changed_cb(self, page, proxy=None):
-        current_page = self._document.get_page_cache().get_current_page()
+    def _page_changed_cb(self, model, page_from, page_to):
+        current_page = self._model.props.page
         n_pages = self._document.get_n_pages()
 
         self.set_completion_level(current_page * 100 / n_pages)