[pitivi] project: Avoid emitting done-importing when a title asset is added

[Mathieu Duponchelle <mathieudu src gnome org>]

commit 2a64fd400051ae28769cfaffc11e4f0fe8c33be5
Author: Alexandru Băluț <alexandru balut gmail com>
Date:   Sat Mar 15 00:25:10 2014 +0100

    project: Avoid emitting done-importing when a title asset is added
    
    When creating a new project and clicking Title > Create-and-insert,
    the project emits done-importing which should be signalled only when
    importing external files.

 pitivi/project.py |   15 ++++++++++-----
 1 files changed, 10 insertions(+), 5 deletions(-)
---
diff --git a/pitivi/project.py b/pitivi/project.py
index 029744b..022f084 100644
--- a/pitivi/project.py
+++ b/pitivi/project.py
@@ -805,9 +805,14 @@ class Project(Loggable, GES.Project):
     #--------------------------------------------#
     # GES.Project virtual methods implementation #
     #--------------------------------------------#
-    def _handle_asset_loaded(self, unused_id):
+
+    def _handle_asset_loaded(self, asset=None, unused_asset_id=None):
+        if asset and not GObject.type_is_a(asset.get_extractable_type(), GES.UriClip):
+            # Ignore for example the assets producing GES.TitleClips.
+            return
         self.nb_imported_files += 1
-        self.nb_remaining_file_to_import = len([asset for asset in self.get_loading_assets() if
+        assets = self.get_loading_assets()
+        self.nb_remaining_file_to_import = len([asset for asset in assets if
                 GObject.type_is_a(asset.get_extractable_type(), GES.UriClip)])
         if self.nb_remaining_file_to_import == 0:
             self.nb_imported_files = 0
@@ -818,11 +823,11 @@ class Project(Loggable, GES.Project):
         When GES.Project emit "asset-added" this vmethod
         get calls
         """
-        self._handle_asset_loaded(asset.get_id())
+        self._handle_asset_loaded(asset=asset)
 
-    def do_loading_error(self, unused_error, id, unused_type):
+    def do_loading_error(self, unused_error, asset_id, unused_type):
         """ vmethod, get called on "asset-loading-error"""
-        self._handle_asset_loaded(id)
+        self._handle_asset_loaded(unused_asset_id=asset_id)
 
     def do_loaded(self, unused_timeline):
         """ vmethod, get called on "loaded" """