From 27d4e293e7381d5ce575af00904a0d420ef2e479 Mon Sep 17 00:00:00 2001
From: Lucian Branescu Mihaila <lucian.branescu@gmail.com>
Date: Mon, 19 Jul 2010 23:19:35 +0000
Subject: Port most of readactivity.py to libevview 2.30. set_screen_dpi disabled for now. Avoid crash if HAL dbus service is not available.

---
diff --git a/readactivity.py b/readactivity.py
index 48cc1cd..d17d6cd 100644
--- a/readactivity.py
+++ b/readactivity.py
@@ -767,7 +767,7 @@ class ReadActivity(activity.Activity):
 
     def _setup_evince_viewer(self):
         self._view = evince.View()
-        self._view.set_screen_dpi(_get_screen_dpi())
+        #self._view.set_screen_dpi(_get_screen_dpi())
         self._view.connect('notify::has-selection',
                             self._view_notify_has_selection_cb)
 
@@ -798,7 +798,11 @@ class ReadActivity(activity.Activity):
         else:
             self._setup_evince_viewer()
             try:
-                self._document = evince.factory_get_document(filepath)
+                try: # assume libevview <=2.28
+                    self._document = evince.factory_get_document(filepath)
+                except AttributeError: # must be on libevview >=2.30
+                    self._document = evince.document_factory_get_document(
+                                        filepath)
             except GError, e:
                 _logger.error('Can not load document: %s', e)
                 return
@@ -807,7 +811,14 @@ class ReadActivity(activity.Activity):
         self._edit_toolbar.set_view(self._view)
 
         self._want_document = False
-        self._view.set_document(self._document)
+        
+        try: # assume libevview <=2.28
+            self._view.set_document(self._document)
+        except AttributeError: #must be on libevview >=2.30
+            self._model = evince.DocumentModel()
+            self._model.set_document(self._document)
+            selv._view.set_model(self._model)
+
         self._edit_toolbar.set_document(self._document)
         self._topbar.set_document(self._document)
 
diff --git a/readtopbar.py b/readtopbar.py
index 3f338f5..936fff0 100644
--- a/readtopbar.py
+++ b/readtopbar.py
@@ -18,6 +18,7 @@
 
 import gtk, gobject
 import dbus
+import logging
 
 from sugar.graphics import style
 from sugar.graphics.icon import Icon, get_icon_state
@@ -134,17 +135,22 @@ 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("HAL dbus service not found, disabling power \
+                            management during reading.")
 
         self._icon = None
 
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