general: refactor extension library

The changes include:

  * adding a single-include header and deprecating
    nautilus-extension-types.h and direct inclusions of individual
    headers;

  * type definition simplifications - this causes some breakages in
    nautilus-file, because NautilusFile used to be typedefed to
    NautilusFileInfo, and that is no longer possible, so the interface
    implementation was moved to static functions and the public
    NautilusFile API provides thin wrappers for them to maintain
    compatibility;

  * documentation cleanups and reorganization;

  * general build rule and code cleanups: mostly g_auto* sprinkled
    around and style changes (sorry)

1 files changed, 23 insertions, 27 deletions

diff --git a/libnautilus-extension/nautilus-column.c b/libnautilus-extension/nautilus-column.c
index fdf83204c..a36885091 100644
--- a/libnautilus-extension/nautilus-column.c
+++ b/libnautilus-extension/nautilus-column.c
@@ -21,8 +21,6 @@
  *
  */
 
-#include <config.h>
-#include <glib/gi18n-lib.h>
 #include <gtk/gtk.h>
 #include "nautilus-column.h"
 
@@ -39,8 +37,10 @@ enum
     LAST_PROP
 };
 
-struct _NautilusColumnDetails
+struct _NautilusColumn
 {
+    GObject parent_instance;
+
     char *name;
     GQuark attribute;
     char *label;
@@ -55,7 +55,6 @@ G_DEFINE_TYPE (NautilusColumn, nautilus_column, G_TYPE_OBJECT);
  * SECTION:nautilus-column
  * @title: NautilusColumn
  * @short_description: List view column descriptor object
- * @include: libnautilus-extension/nautilus-column.h
  *
  * #NautilusColumn is an object that describes a column in the file manager
  * list view. Extensions can provide #NautilusColumn by registering a
@@ -112,43 +111,43 @@ nautilus_column_get_property (GObject    *object,
     {
         case PROP_NAME:
         {
-            g_value_set_string (value, column->details->name);
+            g_value_set_string (value, column->name);
         }
         break;
 
         case PROP_ATTRIBUTE:
         {
-            g_value_set_string (value, g_quark_to_string (column->details->attribute));
+            g_value_set_string (value, g_quark_to_string (column->attribute));
         }
         break;
 
         case PROP_ATTRIBUTE_Q:
         {
-            g_value_set_uint (value, column->details->attribute);
+            g_value_set_uint (value, column->attribute);
         }
         break;
 
         case PROP_LABEL:
         {
-            g_value_set_string (value, column->details->label);
+            g_value_set_string (value, column->label);
         }
         break;
 
         case PROP_DESCRIPTION:
         {
-            g_value_set_string (value, column->details->description);
+            g_value_set_string (value, column->description);
         }
         break;
 
         case PROP_XALIGN:
         {
-            g_value_set_float (value, column->details->xalign);
+            g_value_set_float (value, column->xalign);
         }
         break;
 
         case PROP_DEFAULT_SORT_ORDER:
         {
-            g_value_set_enum (value, column->details->default_sort_order);
+            g_value_set_enum (value, column->default_sort_order);
         }
         break;
 
@@ -174,15 +173,15 @@ nautilus_column_set_property (GObject      *object,
     {
         case PROP_NAME:
         {
-            g_free (column->details->name);
-            column->details->name = g_strdup (g_value_get_string (value));
+            g_free (column->name);
+            column->name = g_strdup (g_value_get_string (value));
             g_object_notify (object, "name");
         }
         break;
 
         case PROP_ATTRIBUTE:
         {
-            column->details->attribute = g_quark_from_string (g_value_get_string (value));
+            column->attribute = g_quark_from_string (g_value_get_string (value));
             g_object_notify (object, "attribute");
             g_object_notify (object, "attribute_q");
         }
@@ -190,30 +189,30 @@ nautilus_column_set_property (GObject      *object,
 
         case PROP_LABEL:
         {
-            g_free (column->details->label);
-            column->details->label = g_strdup (g_value_get_string (value));
+            g_free (column->label);
+            column->label = g_strdup (g_value_get_string (value));
             g_object_notify (object, "label");
         }
         break;
 
         case PROP_DESCRIPTION:
         {
-            g_free (column->details->description);
-            column->details->description = g_strdup (g_value_get_string (value));
+            g_free (column->description);
+            column->description = g_strdup (g_value_get_string (value));
             g_object_notify (object, "description");
         }
         break;
 
         case PROP_XALIGN:
         {
-            column->details->xalign = g_value_get_float (value);
+            column->xalign = g_value_get_float (value);
             g_object_notify (object, "xalign");
         }
         break;
 
         case PROP_DEFAULT_SORT_ORDER:
         {
-            column->details->default_sort_order = g_value_get_enum (value);
+            column->default_sort_order = g_value_get_enum (value);
             g_object_notify (object, "default-sort-order");
         }
         break;
@@ -233,11 +232,9 @@ nautilus_column_finalize (GObject *object)
 
     column = NAUTILUS_COLUMN (object);
 
-    g_free (column->details->name);
-    g_free (column->details->label);
-    g_free (column->details->description);
-
-    g_free (column->details);
+    g_free (column->name);
+    g_free (column->label);
+    g_free (column->description);
 
     G_OBJECT_CLASS (nautilus_column_parent_class)->finalize (object);
 }
@@ -245,8 +242,7 @@ nautilus_column_finalize (GObject *object)
 static void
 nautilus_column_init (NautilusColumn *column)
 {
-    column->details = g_new0 (NautilusColumnDetails, 1);
-    column->details->xalign = 0.0;
+    column->xalign = 0.0;
 }
 
 static void