[pitivi/ges: 238/287] Show the time for the unsaved changes confirmation dialog

[Jean-FranÃois Fortin Tam <jfft src gnome org>]

commit 4499155a2a179b4a8c766e630e9d7c99b1669a50
Author: Jean-FranÃois Fortin Tam <nekohayo gmail com>
Date:   Sun Jan 22 21:11:11 2012 -0500

    Show the time for the unsaved changes confirmation dialog
    
    Fixes bug #608108

 pitivi/mainwindow.py |   18 ++++++++++++++----
 pitivi/project.py    |    2 ++
 2 files changed, 16 insertions(+), 4 deletions(-)
---
diff --git a/pitivi/mainwindow.py b/pitivi/mainwindow.py
index dfe42a7..be2f8cf 100644
--- a/pitivi/mainwindow.py
+++ b/pitivi/mainwindow.py
@@ -30,6 +30,7 @@ import gst
 import ges
 import webbrowser
 
+from time import time
 from urllib import unquote
 from gettext import gettext as _
 from gtk import RecentManager
@@ -41,8 +42,8 @@ from pitivi.effects import EffectListWidget
 from pitivi.medialibrary import MediaLibraryWidget, MediaLibraryError
 
 from pitivi.utils.misc import show_user_manual
-from pitivi.utils.ui import SPACING, info_name, FILESOURCE_TUPLE, URI_TUPLE, \
-         TYPE_URI_LIST, TYPE_PITIVI_FILESOURCE
+from pitivi.utils.ui import info_name, beautify_time_delta, SPACING,\
+         FILESOURCE_TUPLE, URI_TUPLE, TYPE_URI_LIST, TYPE_PITIVI_FILESOURCE
 from pitivi.utils.timeline import Zoomable
 
 from pitivi.timeline.timeline import Timeline
@@ -795,8 +796,17 @@ class PitiviMainWindow(gtk.Window, Loggable):
         secondary.set_line_wrap(True)
         secondary.set_use_markup(True)
         secondary.set_alignment(0, 0.5)
-        secondary.props.label = _("If you don't save some of your "
-                "changes will be lost")
+
+        if project.uri:
+            path = unquote(project.uri).split("file://")[1]
+            last_saved = max(os.path.getmtime(path), projectManager.time_loaded)
+            time_delta = time() - last_saved
+            secondary.props.label = _("If you don't save, "
+                "the changes from the last %s will be lost."
+                % beautify_time_delta(time_delta))
+        else:
+            secondary.props.label = _("If you don't save, "
+                                    "your changes will be lost.")
 
         # put the text in a vbox
         vbox = gtk.VBox(False, SPACING * 2)
diff --git a/pitivi/project.py b/pitivi/project.py
index 4feabd5..a66452d 100644
--- a/pitivi/project.py
+++ b/pitivi/project.py
@@ -30,6 +30,7 @@ import gtk
 import gio
 import gobject
 
+from time import time
 from datetime import datetime
 from gettext import gettext as _
 from urlparse import urlparse
@@ -234,6 +235,7 @@ class ProjectManager(Signallable, Loggable):
         else:
             self.current.disconnect = True
         self.emit("new-project-loaded", self.current)
+        self.time_loaded = time()
 
         return True