[gtk+/bgo593793-filechooser-recent-folders-master: 9/20] Put recently-used folders in the recently-used list

[Federico Mena Quintero <federico src gnome org>]

commit b90e1211cf8fa45091f79826e1eee155eea9316a
Author: Federico Mena Quintero <federico gnome org>
Date:   Wed Jun 29 12:22:42 2011 -0500

    Put recently-used folders in the recently-used list
    
    Signed-off-by: Federico Mena Quintero <federico gnome org>

 gtk/gtkfilechooserdefault.c |  106 +++++++++++++++++++++++-------------------
 gtk/gtkfilechooserutils.c   |   22 +--------
 gtk/gtkfilechooserutils.h   |    2 +-
 3 files changed, 62 insertions(+), 68 deletions(-)
---
diff --git a/gtk/gtkfilechooserdefault.c b/gtk/gtkfilechooserdefault.c
index 59165cd..3cd9b82 100644
--- a/gtk/gtkfilechooserdefault.c
+++ b/gtk/gtkfilechooserdefault.c
@@ -9067,12 +9067,6 @@ recent_idle_cleanup (gpointer data)
   
   impl->load_recent_id = 0;
   
-  if (load_data->items)
-    {
-      g_list_foreach (load_data->items, (GFunc) gtk_recent_info_unref, NULL);
-      g_list_free (load_data->items);
-    }
-
   g_free (load_data);
 }
 
@@ -9102,13 +9096,61 @@ get_recent_files_limit (GtkWidget *widget)
   return limit;
 }
 
+/* Populates the file system model with the GtkRecentInfo* items in the provided list; frees the items */
+static void
+populate_model_with_recent_items (GtkFileChooserDefault *impl, GList *items)
+{
+  gint limit;
+  GList *l;
+  int n;
+
+  limit = get_recent_files_limit (GTK_WIDGET (impl));
+
+  n = 0;
+
+  for (l = items; l; l = l->next)
+    {
+      GtkRecentInfo *info = l->data;
+      GFile *file;
+
+      file = g_file_new_for_uri (gtk_recent_info_get_uri (info));
+      _gtk_file_system_model_add_and_query_file (impl->recent_model,
+                                                 file,
+                                                 MODEL_ATTRIBUTES);
+      g_object_unref (file);
+
+      n++;
+      if (limit != -1 && n >= limit)
+	break;
+    }
+}
+
+static void
+populate_model_with_folders (GtkFileChooserDefault *impl, GList *items)
+{
+  GList *folders;
+  GList *l;
+
+  folders = _gtk_file_chooser_extract_recent_folders (items);
+
+  for (l = folders; l; l = l->next)
+    {
+      GFile *folder = l->data;
+
+      _gtk_file_system_model_add_and_query_file (impl->recent_model,
+                                                 folder,
+                                                 MODEL_ATTRIBUTES);
+    }
+
+  g_list_foreach (folders, (GFunc) g_object_unref, NULL);
+  g_list_free (folders);
+}
+
 static gboolean
 recent_idle_load (gpointer data)
 {
   RecentLoadData *load_data = data;
   GtkFileChooserDefault *impl = load_data->impl;
-  GList *walk;
-  GFile *file;
 
   if (!impl->recent_manager)
     return FALSE;
@@ -9125,53 +9167,21 @@ recent_idle_load (gpointer data)
       return TRUE;
     }
   
-  /* second iteration: preliminary MRU sorting and clamping */
+  /* second iteration: MRU sorting and clamping, and populating the model */
   if (load_data->needs_sorting)
     {
-      gint limit;
-      gint n_items;
-
       load_data->items = g_list_sort (load_data->items, recent_sort_mru);
-      n_items = g_list_length (load_data->items);
-
-      limit = get_recent_files_limit (GTK_WIDGET (impl));
-      
-      if (limit != -1 && (n_items > limit))
-        {
-          GList *clamp, *l;
-
-          clamp = g_list_nth (load_data->items, limit - 1);
-          if (G_LIKELY (clamp))
-            {
-              l = clamp->next;
-              clamp->next = NULL;
-
-              g_list_foreach (l, (GFunc) gtk_recent_info_unref, NULL);
-              g_list_free (l);
-            }
-         }
-
-      load_data->needs_sorting = FALSE;
-
-      return TRUE;
-    }
 
-  /* finished loading items */
-  for (walk = load_data->items; walk; walk = walk->next)
-    {
-      GtkRecentInfo *info = walk->data;
-      file = g_file_new_for_uri (gtk_recent_info_get_uri (info));
+      if (impl->action == GTK_FILE_CHOOSER_ACTION_OPEN)
+	populate_model_with_recent_items (impl, load_data->items);
+      else
+	populate_model_with_folders (impl, load_data->items);
 
-      _gtk_file_system_model_add_and_query_file (impl->recent_model,
-                                                 file,
-                                                 MODEL_ATTRIBUTES);
-      gtk_recent_info_unref (walk->data);
-      g_object_unref (file);
+      g_list_foreach (load_data->items, (GFunc) gtk_recent_info_unref, NULL);
+      g_list_free (load_data->items);
+      load_data->items = NULL;
     }
 
-  g_list_free (load_data->items);
-  load_data->items = NULL;
-
   return FALSE;
 }
 
diff --git a/gtk/gtkfilechooserutils.c b/gtk/gtkfilechooserutils.c
index 4e327a9..9458abd 100644
--- a/gtk/gtkfilechooserutils.c
+++ b/gtk/gtkfilechooserutils.c
@@ -361,16 +361,6 @@ delegate_confirm_overwrite (GtkFileChooser    *chooser,
   return conf;
 }
 
-static gint
-recent_sort_mru (gconstpointer a,
-                 gconstpointer b)
-{
-  GtkRecentInfo *info_a = (GtkRecentInfo *) a;
-  GtkRecentInfo *info_b = (GtkRecentInfo *) b;
-
-  return (gtk_recent_info_get_modified (info_b) - gtk_recent_info_get_modified (info_a));
-}
-
 static GFile *
 get_parent_for_uri (const char *uri)
 {
@@ -385,22 +375,18 @@ get_parent_for_uri (const char *uri)
 	
 }
 
-/* Extracts the parent folders out of the recent items, and returns
- * a list of GFile* for those parents in MRU-first order.
+/* Extracts the parent folders out of the supplied list of GtkRecentInfo* items, and returns
+ * a list of GFile* for those unique parents.
  */
 GList *
-_gtk_file_chooser_list_recent_folders (GtkRecentManager *manager)
+_gtk_file_chooser_extract_recent_folders (GList *infos)
 {
-  GList *infos;
   GList *l;
   GList *result;
   GHashTable *folders;
 
   result = NULL;
 
-  infos = gtk_recent_manager_get_items (manager);
-  infos = g_list_sort (infos, recent_sort_mru);
-
   folders = g_hash_table_new (g_file_hash, (GEqualFunc) g_file_equal);
 
   for (l = infos; l; l = l->next)
@@ -427,8 +413,6 @@ _gtk_file_chooser_list_recent_folders (GtkRecentManager *manager)
   result = g_list_reverse (result);
 
   g_hash_table_destroy (folders);
-  g_list_foreach (infos, (GFunc) gtk_recent_info_unref, NULL);
-  g_list_free (infos);
 
   return result;
 }
diff --git a/gtk/gtkfilechooserutils.h b/gtk/gtkfilechooserutils.h
index 5187cbd..ba58d71 100644
--- a/gtk/gtkfilechooserutils.h
+++ b/gtk/gtkfilechooserutils.h
@@ -52,7 +52,7 @@ void _gtk_file_chooser_set_delegate        (GtkFileChooser *receiver,
 
 GQuark _gtk_file_chooser_delegate_get_quark (void) G_GNUC_CONST;
 
-GList *_gtk_file_chooser_list_recent_folders (GtkRecentManager *manager);
+GList *_gtk_file_chooser_extract_recent_folders (GList *infos);
 
 G_END_DECLS