[nautilus/wip/csoriano/destktop-split2: 2/3] desktop-application: use dbus for opening files

[Carlos Soriano Sánchez <csoriano src gnome org>]

commit da82e57d3d9c391455847ea053bc581ccd25517e
Author: Carlos Soriano <csoriano gnome org>
Date:   Wed Mar 16 17:50:51 2016 +0100

    desktop-application: use dbus for opening files

 src/nautilus-desktop-application.c |  104 +++++++++++++++++++++++++++++++++---
 1 files changed, 97 insertions(+), 7 deletions(-)
---
diff --git a/src/nautilus-desktop-application.c b/src/nautilus-desktop-application.c
index 7be01d7..ba7d3b5 100644
--- a/src/nautilus-desktop-application.c
+++ b/src/nautilus-desktop-application.c
@@ -21,30 +21,91 @@
 #include "nautilus-desktop-application.h"
 #include "nautilus-desktop-window.h"
 
+#include "nautilus-freedesktop-generated.h"
+
 #include <libnautilus-private/nautilus-global-preferences.h>
 #include <eel/eel.h>
 #include <gdk/gdkx.h>
 
+static NautilusFreedesktopFileManager1 *freedesktop_proxy = NULL;
+
 struct _NautilusDesktopApplication
 {
   NautilusApplication parent_instance;
+
+  GCancellable *freedesktop_cancellable;
+  GList *pending_locations;
 };
 
 G_DEFINE_TYPE (NautilusDesktopApplication, nautilus_desktop_application, NAUTILUS_TYPE_APPLICATION)
 
+static void
+on_show_folders (GObject      *source_object,
+                 GAsyncResult *res,
+                 gpointer      user_data)
+{
+  GError *error = NULL;
+
+  nautilus_freedesktop_file_manager1_call_show_items_finish (freedesktop_proxy,
+                                                             res,
+                                                             &error);
+  if (error != NULL)
+    {
+      if (!g_error_matches (error, G_IO_ERROR, G_IO_ERROR_CANCELLED))
+        {
+          g_warning ("Unable to show items with File Manager freedesktop proxy: %s", error->message);
+        }
+      g_error_free (error);
+    }
+}
+
+static void
+open_location_on_dbus (NautilusDesktopApplication *self,
+                       const gchar                *uri)
+{
+  const gchar *uris[] = { uri, NULL };
+
+  nautilus_freedesktop_file_manager1_call_show_folders (freedesktop_proxy,
+                                                        uris,
+                                                        "",
+                                                        self->freedesktop_cancellable,
+                                                        on_show_folders,
+                                                        self);
+}
+
+
+static void
+on_freedesktop_bus_proxy_created (GObject      *source_object,
+                                  GAsyncResult *res,
+                                  gpointer      user_data)
+{
+  GError *error = NULL;
+
+  freedesktop_proxy = nautilus_freedesktop_file_manager1_proxy_new_for_bus_finish (res, &error);
+
+  if (error != NULL)
+    {
+      if (!g_error_matches (error, G_IO_ERROR, G_IO_ERROR_CANCELLED))
+        {
+          g_warning ("Unable to create File Manager freedesktop proxy: %s", error->message);
+        }
+      g_error_free (error);
+    }
+}
 
 static void
-open_location_full (NautilusApplication     *self,
+open_location_full (NautilusApplication     *app,
                     GFile                   *location,
                     NautilusWindowOpenFlags  flags,
                     GList                   *selection,
                     NautilusWindow          *target_window,
                     NautilusWindowSlot      *target_slot)
 {
+  NautilusDesktopApplication *self = NAUTILUS_DESKTOP_APPLICATION (app);
   gchar *uri;
 
-  g_print ("open location full %s\n", g_file_get_uri (location));
   uri = g_file_get_uri (location);
+  g_print ("open location full %s\n", g_file_get_uri (location));
   if (eel_uri_is_desktop (uri) && target_window &&
       NAUTILUS_IS_DESKTOP_WINDOW (target_window))
     {
@@ -53,7 +114,16 @@ open_location_full (NautilusApplication     *self,
   else
     {
       g_print ("other location, use dbus to communicate with nautilus. This process is only for the 
desktop\n");
+      if (freedesktop_proxy)
+        {
+          open_location_on_dbus (self, uri);
+        }
+      else
+        {
+          g_warning ("cannot open folder on desktop, freedesktop bus not ready\n");
+        }
     }
+
   g_free (uri);
 }
 
@@ -65,14 +135,15 @@ nautilus_application_set_desktop_visible (NautilusDesktopApplication *self,
 
   if (visible)
     {
-        g_print ("set desktop visible\n");
-        nautilus_desktop_window_ensure ();
+      g_print ("set desktop visible\n");
+      nautilus_desktop_window_ensure ();
     }
   else
     {
-        desktop_window = nautilus_desktop_window_get ();
-        if (desktop_window != NULL) {
-                gtk_widget_destroy (desktop_window);
+      desktop_window = nautilus_desktop_window_get ();
+      if (desktop_window != NULL)
+        {
+          gtk_widget_destroy (desktop_window);
         }
     }
 }
@@ -123,14 +194,31 @@ nautilus_desktop_application_startup (GApplication *app)
 
   g_print ("startup desktop\n");
   nautilus_application_startup_common (NAUTILUS_APPLICATION (app));
+  self->freedesktop_cancellable = g_cancellable_new ();
+  nautilus_freedesktop_file_manager1_proxy_new_for_bus (G_BUS_TYPE_SESSION,
+                                                        G_DBUS_PROXY_FLAGS_NONE,
+                                                        "org.freedesktop.FileManager1",
+                                                        "/org/freedesktop/FileManager1",
+                                                        self->freedesktop_cancellable,
+                                                        on_freedesktop_bus_proxy_created,
+                                                        self);
 
   init_desktop (self);
 }
 
 static void
+nautilus_desktop_application_dispose (GObject *object)
+{
+  NautilusDesktopApplication *self = NAUTILUS_DESKTOP_APPLICATION (object);
+
+  g_clear_object (&self->freedesktop_cancellable);
+}
+
+static void
 nautilus_desktop_application_class_init (NautilusDesktopApplicationClass *klass)
 {
   GApplicationClass *application_class = G_APPLICATION_CLASS (klass);
+  GObjectClass *gobject_class = G_OBJECT_CLASS (klass);
   NautilusApplicationClass *parent_class = NAUTILUS_APPLICATION_CLASS (klass);
 
   g_print ("desktop application class init\n");
@@ -139,6 +227,8 @@ nautilus_desktop_application_class_init (NautilusDesktopApplicationClass *klass)
 
   application_class->startup = nautilus_desktop_application_startup;
   application_class->activate = nautilus_desktop_application_activate;
+
+  gobject_class->dispose = nautilus_desktop_application_dispose;
 }
 
 static void