[nautilus] application: go back to libunique for now

[Cosimo Cecchi <cosimoc src gnome org>]

commit f9aa5d9442ae918bb1e583d1543b8da0b51fb959
Author: Cosimo Cecchi <cosimoc gnome org>
Date:   Fri Oct 22 17:17:58 2010 +0200

    application: go back to libunique for now
    
    While GApplication API settles. Also, porting to the new GApplication
    would require quite some refactoring.

 configure.in               |    3 +-
 src/nautilus-application.c |  280 ++++++++++++++++++++++----------------------
 src/nautilus-application.h |    3 +-
 src/nautilus-main.c        |    2 +-
 4 files changed, 145 insertions(+), 143 deletions(-)
---
diff --git a/configure.in b/configure.in
index f390ba9..a58a1b9 100644
--- a/configure.in
+++ b/configure.in
@@ -68,6 +68,7 @@ PKG_CHECK_MODULES(ALL, [
 	libxml-2.0		>= xml_minver
 	gail-3.0		>= gtk_minver
 	gsettings-desktop-schemas
+	unique-3.0
 ])
 dnl ==========================================================================
 
@@ -337,7 +338,7 @@ LIBNAUTILUS_EXTENSION_LIBS="`$PKG_CONFIG --libs $LIBNAUTILUS_EXTENSION_MODULES`"
 AC_SUBST(LIBNAUTILUS_EXTENSION_LIBS)
 
 dnl core nautilus
-CORE_MODULES="glib-2.0 gnome-desktop-3.0 gtk+-3.0 gthread-2.0 gio-2.0 gio-unix-2.0 gail-3.0 gconf-2.0 libxml-2.0 gsettings-desktop-schemas $EXTRA_CORE_MODULES"
+CORE_MODULES="glib-2.0 gnome-desktop-3.0 gtk+-3.0 gthread-2.0 gio-2.0 gio-unix-2.0 gail-3.0 gconf-2.0 libxml-2.0 gsettings-desktop-schemas unique-3.0 $EXTRA_CORE_MODULES"
 CORE_CFLAGS="`$PKG_CONFIG --cflags $CORE_MODULES` $x_cflags"
 AC_SUBST(CORE_CFLAGS)
 CORE_LIBS="`$PKG_CONFIG --libs $CORE_MODULES` $x_libs"
diff --git a/src/nautilus-application.c b/src/nautilus-application.c
index 2d5f476..22da591 100644
--- a/src/nautilus-application.c
+++ b/src/nautilus-application.c
@@ -75,10 +75,14 @@
 #include <libnautilus-extension/nautilus-menu-provider.h>
 #include <libnautilus-private/nautilus-autorun.h>
 
-#define COMMAND_OPEN "open"
-#define COMMAND_START_DESKTOP "start_desktop"
-#define COMMAND_STOP_DESKTOP "stop_desktop"
-#define COMMAND_CLOSE "close"
+enum
+{
+  COMMAND_0, /* unused: 0 is an invalid command */
+
+  COMMAND_START_DESKTOP,
+  COMMAND_STOP_DESKTOP,
+  COMMAND_OPEN_BROWSER,
+};
 
 /* Keep window from shrinking down ridiculously small; numbers are somewhat arbitrary */
 #define APPLICATION_WINDOW_MIN_WIDTH	300
@@ -121,6 +125,73 @@ static char *   nautilus_application_get_session_data (void);
 
 G_DEFINE_TYPE (NautilusApplication, nautilus_application, G_TYPE_OBJECT);
 
+static gboolean
+_unique_message_data_set_geometry_and_uris (UniqueMessageData  *message_data,
+					    const char *geometry,
+					    char **uris)
+{
+  GString *list;
+  gint i;
+  gchar *result;
+  gsize length;
+
+  list = g_string_new (NULL);
+  if (geometry != NULL) {
+	  g_string_append (list, geometry);
+  }
+  g_string_append (list, "\r\n");
+  
+  for (i = 0; uris != NULL && uris[i]; i++) {
+	  g_string_append (list, uris[i]);
+	  g_string_append (list, "\r\n");
+  }
+
+  result = g_convert (list->str, list->len,
+                      "ASCII", "UTF-8",
+                      NULL, &length, NULL);
+  g_string_free (list, TRUE);
+  
+  if (result) {
+	  unique_message_data_set (message_data, (guchar *) result, length);
+	  g_free (result);
+	  return TRUE;
+  }
+  
+  return FALSE;
+}
+
+static gchar **
+_unique_message_data_get_geometry_and_uris (UniqueMessageData *message_data,
+					    char **geometry)
+{
+  gchar **result = NULL;
+
+  *geometry = NULL;
+  
+  gchar *text, *newline, *uris;
+  text = unique_message_data_get_text (message_data);
+  if (text) {
+	  newline = strchr (text, '\n');
+	  if (newline) {
+		  *geometry = g_strndup (text, newline-text);
+		  uris = newline+1;
+	  } else {
+		  uris = text;
+	  }
+	  
+	  result = g_uri_list_extract_uris (uris);
+	  g_free (text);
+  }
+
+  /* if the string is empty, make it NULL */
+  if (*geometry && strlen (*geometry) == 0) {
+	  g_free (*geometry);
+	  *geometry = NULL;
+  }
+
+  return result;
+}
+
 GList *
 nautilus_application_get_window_list (void)
 {
@@ -210,6 +281,13 @@ nautilus_application_init (NautilusApplication *application)
 	/* Create an undo manager */
 	application->undo_manager = nautilus_undo_manager_new ();
 
+	application->unique_app = unique_app_new_with_commands ("org.gnome.Nautilus", NULL,
+								"start_desktop", COMMAND_START_DESKTOP,
+								"stop_desktop", COMMAND_STOP_DESKTOP,
+								"open_browser", COMMAND_OPEN_BROWSER,
+								NULL);
+
+	
         application->smclient = egg_sm_client_get ();
         g_signal_connect (application->smclient, "save_state",
                           G_CALLBACK (smclient_save_state_cb),
@@ -758,65 +836,53 @@ open_windows (NautilusApplication *application,
 	}
 }
 
-static void
-message_received_cb (GApplication *unique_app,
-		     gchar *name,
-		     GVariant *platform_data,
-		     gpointer user_data)
+static UniqueResponse
+message_received_cb (UniqueApp         *unique_app,
+                     guint              command,
+                     UniqueMessageData *message,
+                     guint              time_,
+                     gpointer           user_data)
 {
 	NautilusApplication *application;
-
+	UniqueResponse res;
+	char **uris;
+	char *geometry;
+	GdkScreen *screen;
+	
 	application =  user_data;
-
-	if (g_strcmp0 (name, COMMAND_CLOSE) == 0) {
+	res = UNIQUE_RESPONSE_OK;
+	
+	switch (command) {
+	case UNIQUE_CLOSE:
+		res = UNIQUE_RESPONSE_OK;
 		nautilus_main_event_loop_quit (TRUE);
-		return;
-	}
-
-	if (g_strcmp0 (name, COMMAND_OPEN) == 0) {
-		GVariantIter iter;
-		gboolean use_browser;
-		gchar *key;
-		GVariant *value;
-		gchar *startup_id = NULL, *geometry = NULL;
-		char **uris = NULL;
-
-		g_variant_iter_init (&iter, platform_data);
-
-		while (g_variant_iter_next (&iter, "{&sv}", &key, &value)) {
-			if (g_strcmp0 (key, "urls") == 0) {
-				g_variant_get (value, "^as", &uris);
-			} else if (g_strcmp0 (key, "geometry") == 0) {
-				g_variant_get (value, "&s", &geometry);
-			} else if (g_strcmp0 (key, "use_browser") == 0) {
-				g_variant_get (value, "b", &use_browser);
-			} else if (g_strcmp0 (key, "startup_id") == 0) {
-				g_variant_get (value, "&s", &startup_id);
-			}
-
-			g_variant_unref (value);
-		}
-
+		
+		break;
+	case UNIQUE_OPEN:
+	case COMMAND_OPEN_BROWSER:
+		uris = _unique_message_data_get_geometry_and_uris (message, &geometry);
+		screen = unique_message_data_get_screen (message);
 		open_windows (application,
-			      startup_id,
+			      unique_message_data_get_startup_id (message),
 			      uris,
-			      gdk_screen_get_default (),
+			      screen,
 			      geometry,
-			      use_browser);
+			      command == COMMAND_OPEN_BROWSER);
 		g_strfreev (uris);
-
-		return;
-	}
-
-	if (g_strcmp0 (name, COMMAND_START_DESKTOP) == 0) {
+		g_free (geometry);
+		break;
+	case COMMAND_START_DESKTOP:
 		nautilus_application_open_desktop (application);
-		return;
-	}
-
-	if (g_strcmp0 (name, COMMAND_STOP_DESKTOP) == 0) {
+		break;
+	case COMMAND_STOP_DESKTOP:
 		nautilus_application_close_desktop ();
-		return;
+		break;
+	default:
+		res = UNIQUE_RESPONSE_PASSTHROUGH;
+		break;
 	}
+	
+	return res;
 }
 
 gboolean 
@@ -848,34 +914,6 @@ queue_accel_map_save_callback (GtkAccelMap *object, gchar *accel_path,
 	}
 }
 
-static GVariant *
-get_startup_id (void)
-{
-	gchar *id = NULL;
-	GVariant *retval;
-	GTimeVal timeval = { 0, };
-
-	id = g_strdup (gdk_x11_display_get_startup_notification_id (gdk_display_get_default ()));
-
-	if (id == NULL) {
-		id = g_strdup (g_getenv ("DESKTOP_STARTUP_ID"));
-	}
-
-	if (id == NULL) {
-		guint32 timestamp;
-
-		g_get_current_time (&timeval);
-
-		timestamp =  timeval.tv_sec;
-		id = g_strdup_printf ("_TIME%lu", (unsigned long) timestamp);
-        }
-
-	retval = g_variant_new ("s", id);
-	g_free (id);
-
-	return retval;
-}
-
 void
 nautilus_application_startup (NautilusApplication *application,
 			      gboolean kill_shell,
@@ -885,9 +923,8 @@ nautilus_application_startup (NautilusApplication *application,
 			      const char *geometry,
 			      char **urls)
 {
-	gboolean is_remote;
-	GError *error = NULL;
-
+	UniqueMessageData *message;
+	
 	/* Check the user's ~/.nautilus directories and post warnings
 	 * if there are problems.
 	 */
@@ -895,32 +932,11 @@ nautilus_application_startup (NautilusApplication *application,
 		return;
 	}
 
-	application->unique_app = g_initable_new (G_TYPE_APPLICATION,
-						  NULL,
-						  &error,
-						  "application-id", "org.gnome.Nautilus",
-						  "default-quit", FALSE,
-						  "argv", g_variant_new_bytestring_array (NULL, 0),
-						  NULL);
-	g_assert (error == NULL);
-	is_remote = g_application_is_remote (application->unique_app);
-
-	if (!is_remote) {
-		/* set application properties */
-		g_application_add_action (application->unique_app,
-					  "open", "Open a nautilus window");
-		g_application_add_action (application->unique_app,
-					  "close", "Close the application");
-		g_application_add_action (application->unique_app,
-					  COMMAND_START_DESKTOP, "Starts the desktop");
-		g_application_add_action (application->unique_app,
-					  COMMAND_STOP_DESKTOP, "Stops the desktop");
-	}
-
 	if (kill_shell) {
-		if (is_remote) {
-			g_application_invoke_action (application->unique_app,
-						     COMMAND_CLOSE, NULL);
+		if (unique_app_is_running (application->unique_app)) {
+			unique_app_send_message (application->unique_app,
+						 UNIQUE_CLOSE, NULL);
+			
 		}
 	} else {
 		char *accel_map_filename;
@@ -931,21 +947,19 @@ nautilus_application_startup (NautilusApplication *application,
 		}
 
 		if (!no_desktop) {
-			if (is_remote) {
-				g_application_invoke_action (application->unique_app,
-							     COMMAND_START_DESKTOP, NULL);
+			if (unique_app_is_running (application->unique_app)) {
+				unique_app_send_message (application->unique_app,
+							 COMMAND_START_DESKTOP, NULL);
 			} else {
 				nautilus_application_open_desktop (application);
 			}
 		}
 
-		if (!is_remote) {
+		if (!unique_app_is_running (application->unique_app)) {
 			finish_startup (application, no_desktop);
-			g_signal_connect (application->unique_app,
-					  "action-with-data",
-					  G_CALLBACK (message_received_cb), application);			
+			g_signal_connect (application->unique_app, "message-received", G_CALLBACK (message_received_cb), application);			
 		}
-
+		
 		/* Monitor the preference to show or hide the desktop */
 		g_signal_connect_swapped (gnome_background_preferences, "changed::" NAUTILUS_PREFERENCES_SHOW_DESKTOP,
 					  G_CALLBACK(desktop_changed_callback),
@@ -959,31 +973,17 @@ nautilus_application_startup (NautilusApplication *application,
 
 		/* Create the other windows. */
 		if (urls != NULL || !no_default_window) {
-			if (is_remote) {
-				GVariant *variant;
-				GVariantBuilder builder;
-
-				g_variant_builder_init (&builder, G_VARIANT_TYPE ("a{sv}"));
-
-				if (geometry != NULL) {
-					g_variant_builder_add (&builder, "{sv}",
-							       "geometry", g_variant_new ("s", geometry));
-				}
-
-				if (urls != NULL) {
-					g_variant_builder_add (&builder, "{sv}",
-							       "urls", g_variant_new ("^as", urls));
+			if (unique_app_is_running (application->unique_app)) {
+				message = unique_message_data_new ();
+				_unique_message_data_set_geometry_and_uris (message, geometry, urls);
+				if (browser_window) {
+					unique_app_send_message (application->unique_app,
+								 COMMAND_OPEN_BROWSER, message);
+				} else {
+					unique_app_send_message (application->unique_app,
+								 UNIQUE_OPEN, message);
 				}
-
-				g_variant_builder_add (&builder, "{sv}",
-						       "use_browser", g_variant_new ("b", browser_window));
-				g_variant_builder_add (&builder, "{sv}",
-						       "startup_id", get_startup_id ());
-				variant = g_variant_builder_end (&builder);
-
-				g_application_invoke_action (application->unique_app,
-							     COMMAND_OPEN, variant);
-				g_variant_unref (variant);
+				unique_message_data_free (message);				
 			} else {
 				open_windows (application, NULL,
 					      urls,
diff --git a/src/nautilus-application.h b/src/nautilus-application.h
index f57d6e2..adcd5c2 100644
--- a/src/nautilus-application.h
+++ b/src/nautilus-application.h
@@ -29,6 +29,7 @@
 
 #include <gdk/gdk.h>
 #include <gio/gio.h>
+#include <unique/unique.h>
 #include <libegg/eggsmclient.h>
 #include <libnautilus-private/nautilus-undo-manager.h>
 
@@ -60,7 +61,7 @@ typedef struct NautilusShell NautilusShell;
 
 typedef struct {
 	GObject parent;
-	GApplication *unique_app;
+	UniqueApp *unique_app;
         EggSMClient *smclient;
 	NautilusUndoManager *undo_manager;
 	GVolumeMonitor *volume_monitor;
diff --git a/src/nautilus-main.c b/src/nautilus-main.c
index 3212918..34145f0 100644
--- a/src/nautilus-main.c
+++ b/src/nautilus-main.c
@@ -527,7 +527,7 @@ main (int argc, char *argv[])
 			 uris);
 		g_strfreev (uris);
 
-		if (g_application_is_remote (application->unique_app) ||
+		if (unique_app_is_running (application->unique_app) ||
 		    kill_shell) {
 			exit_with_last_window = TRUE;
 		}