eel/ Import eel into nautilus.

2008-12-15  Alexander Larsson  <alexl@redhat.com>

        * Makefile.am:
        * acconfig.h:
        * configure.in:
	* eel/
        * libnautilus-private/Makefile.am:
	Import eel into nautilus.


svn path=/trunk/; revision=14815

1 files changed, 647 insertions, 0 deletions

diff --git a/eel/eel-gconf-extensions.c b/eel/eel-gconf-extensions.c
new file mode 100644
index 000000000..5230b2741
--- /dev/null
+++ b/eel/eel-gconf-extensions.c
@@ -0,0 +1,647 @@
+/* -*- Mode: C; indent-tabs-mode: t; c-basic-offset: 8; tab-width: 8 -*- */
+
+/* eel-gconf-extensions.c - Stuff to make GConf easier to use.
+
+   Copyright (C) 2000, 2001 Eazel, Inc.
+
+   The Gnome Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Library General Public License as
+   published by the Free Software Foundation; either version 2 of the
+   License, or (at your option) any later version.
+
+   The Gnome Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Library General Public License for more details.
+
+   You should have received a copy of the GNU Library General Public
+   License along with the Gnome Library; see the file COPYING.LIB.  If not,
+   write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+   Boston, MA 02111-1307, USA.
+
+   Authors: Ramiro Estrugo <ramiro@eazel.com>
+*/
+
+#include <config.h>
+#include "eel-gconf-extensions.h"
+
+#include "eel-debug.h"
+#include "eel-glib-extensions.h"
+#include "eel-stock-dialogs.h"
+#include "eel-string.h"
+#include "eel-i18n.h"
+
+#include <gconf/gconf-client.h>
+#include <gconf/gconf.h>
+
+static GConfClient *global_gconf_client = NULL;
+
+static void
+global_client_free (void)
+{
+	if (global_gconf_client == NULL) {
+		return;
+	}
+	
+	g_object_unref (global_gconf_client);
+	global_gconf_client = NULL;
+}
+
+/* Public */
+GConfClient *
+eel_gconf_client_get_global (void)
+{
+	/* Initialize gconf if needed */
+	if (!gconf_is_initialized ()) {
+		char *argv[] = { "eel-preferences", NULL };
+		GError *error = NULL;
+		
+		if (!gconf_init (1, argv, &error)) {
+			if (eel_gconf_handle_error (&error)) {
+				return NULL;
+			}
+		}
+	}
+	
+	if (global_gconf_client == NULL) {
+		global_gconf_client = gconf_client_get_default ();
+		eel_debug_call_at_shutdown (global_client_free);
+	}
+	
+	return global_gconf_client;
+}
+
+gboolean
+eel_gconf_handle_error (GError **error)
+{
+	char *message;
+	static gboolean shown_dialog = FALSE;
+	
+	g_return_val_if_fail (error != NULL, FALSE);
+
+	if (*error != NULL) {
+		g_warning (_("GConf error:\n  %s"), (*error)->message);
+		if (! shown_dialog) {
+			shown_dialog = TRUE;
+
+			message = g_strdup_printf (_("GConf error: %s"),
+						   (*error)->message);
+			eel_show_error_dialog (message, 
+			                       _("All further errors shown "
+			                       "only on terminal."),
+			                       NULL);
+			g_free (message);
+		}
+		g_error_free (*error);
+		*error = NULL;
+
+		return TRUE;
+	}
+
+	return FALSE;
+}
+
+void
+eel_gconf_set_boolean (const char *key,
+			    gboolean boolean_value)
+{
+	GConfClient *client;
+	GError *error = NULL;
+	
+	g_return_if_fail (key != NULL);
+
+	client = eel_gconf_client_get_global ();
+	g_return_if_fail (client != NULL);
+	
+	gconf_client_set_bool (client, key, boolean_value, &error);
+	eel_gconf_handle_error (&error);
+}
+
+gboolean
+eel_gconf_get_boolean (const char *key)
+{
+	gboolean result;
+	GConfClient *client;
+	GError *error = NULL;
+	
+	g_return_val_if_fail (key != NULL, FALSE);
+	
+	client = eel_gconf_client_get_global ();
+	g_return_val_if_fail (client != NULL, FALSE);
+	
+	result = gconf_client_get_bool (client, key, &error);
+	
+	if (eel_gconf_handle_error (&error)) {
+		result = FALSE;
+	}
+	
+	return result;
+}
+
+void
+eel_gconf_set_integer (const char *key,
+			    int int_value)
+{
+	GConfClient *client;
+	GError *error = NULL;
+
+	g_return_if_fail (key != NULL);
+
+	client = eel_gconf_client_get_global ();
+	g_return_if_fail (client != NULL);
+
+	gconf_client_set_int (client, key, int_value, &error);
+	eel_gconf_handle_error (&error);
+}
+
+int
+eel_gconf_get_integer (const char *key)
+{
+	int result;
+	GConfClient *client;
+	GError *error = NULL;
+	
+	g_return_val_if_fail (key != NULL, 0);
+	
+	client = eel_gconf_client_get_global ();
+	g_return_val_if_fail (client != NULL, 0);
+	
+	result = gconf_client_get_int (client, key, &error);
+
+	if (eel_gconf_handle_error (&error)) {
+		result = 0;
+	}
+
+	return result;
+}
+
+void
+eel_gconf_set_string (const char *key,
+			   const char *string_value)
+{
+	GConfClient *client;
+	GError *error = NULL;
+
+	g_return_if_fail (key != NULL);
+
+	client = eel_gconf_client_get_global ();
+	g_return_if_fail (client != NULL);
+	
+	gconf_client_set_string (client, key, string_value, &error);
+	eel_gconf_handle_error (&error);
+}
+
+char *
+eel_gconf_get_string (const char *key)
+{
+	char *result;
+	GConfClient *client;
+	GError *error = NULL;
+	
+	g_return_val_if_fail (key != NULL, NULL);
+	
+	client = eel_gconf_client_get_global ();
+	g_return_val_if_fail (client != NULL, NULL);
+	
+	result = gconf_client_get_string (client, key, &error);
+	
+	if (eel_gconf_handle_error (&error)) {
+		result = g_strdup ("");
+	}
+	
+	return result;
+}
+
+void
+eel_gconf_set_string_list (const char *key,
+				const GSList *slist)
+{
+	GConfClient *client;
+	GError *error;
+
+	g_return_if_fail (key != NULL);
+
+	client = eel_gconf_client_get_global ();
+	g_return_if_fail (client != NULL);
+
+	error = NULL;
+	gconf_client_set_list (client, key, GCONF_VALUE_STRING,
+			       /* Need cast cause of GConf api bug */
+			       (GSList *) slist,
+			       &error);
+	eel_gconf_handle_error (&error);
+}
+
+GSList *
+eel_gconf_get_string_list (const char *key)
+{
+	GSList *slist;
+	GConfClient *client;
+	GError *error;
+	
+	g_return_val_if_fail (key != NULL, NULL);
+	
+	client = eel_gconf_client_get_global ();
+	g_return_val_if_fail (client != NULL, NULL);
+	
+	error = NULL;
+	slist = gconf_client_get_list (client, key, GCONF_VALUE_STRING, &error);
+	if (eel_gconf_handle_error (&error)) {
+		slist = NULL;
+	}
+
+	return slist;
+}
+
+void
+eel_gconf_unset (const char *key)
+{
+	GConfClient *client;
+	GError *error;
+	
+	g_return_if_fail (key != NULL);
+	
+	client = eel_gconf_client_get_global ();
+	g_return_if_fail (client != NULL);
+	
+	error = NULL;
+	gconf_client_unset (client, key, &error);
+	eel_gconf_handle_error (&error);
+}
+
+gboolean
+eel_gconf_is_default (const char *key)
+{
+	gboolean result;
+	GConfValue *value;
+	GError *error = NULL;
+	
+	g_return_val_if_fail (key != NULL, FALSE);
+	
+	value = gconf_client_get_without_default  (eel_gconf_client_get_global (), key, &error);
+
+	if (eel_gconf_handle_error (&error)) {
+		if (value != NULL) {
+			gconf_value_free (value);
+		}
+		return FALSE;
+	}
+
+	result = (value == NULL);
+	eel_gconf_value_free (value);
+	return result;
+}
+
+gboolean
+eel_gconf_key_is_writable (const char *key)
+{
+	gboolean result;
+	GError *error = NULL;
+	
+	g_return_val_if_fail (key != NULL, FALSE);
+	
+	result = gconf_client_key_is_writable  (eel_gconf_client_get_global (), key, &error);
+
+	if (eel_gconf_handle_error (&error)) {
+		return result;
+	}
+
+	return result;
+}
+
+gboolean
+eel_gconf_monitor_add (const char *directory)
+{
+	GError *error = NULL;
+	GConfClient *client;
+
+	g_return_val_if_fail (directory != NULL, FALSE);
+
+	client = eel_gconf_client_get_global ();
+	g_return_val_if_fail (client != NULL, FALSE);
+
+	gconf_client_add_dir (client,
+			      directory,
+			      GCONF_CLIENT_PRELOAD_NONE,
+			      &error);
+	
+	if (eel_gconf_handle_error (&error)) {
+		return FALSE;
+	}
+
+	return TRUE;
+}
+
+gboolean
+eel_gconf_monitor_remove (const char *directory)
+{
+	GError *error = NULL;
+	GConfClient *client;
+
+	if (directory == NULL) {
+		return FALSE;
+	}
+
+	client = eel_gconf_client_get_global ();
+	g_return_val_if_fail (client != NULL, FALSE);
+	
+	gconf_client_remove_dir (client,
+				 directory,
+				 &error);
+	
+	if (eel_gconf_handle_error (&error)) {
+		return FALSE;
+	}
+	
+	return TRUE;
+}
+
+void
+eel_gconf_preload_cache (const char             *directory,
+			 GConfClientPreloadType  preload_type)
+{
+	GError *error = NULL;
+	GConfClient *client;
+
+	if (directory == NULL) {
+		return;
+	}
+
+	client = eel_gconf_client_get_global ();
+	g_return_if_fail (client != NULL);
+	
+	gconf_client_preload (client,
+			      directory,
+			      preload_type,
+			      &error);
+	
+	eel_gconf_handle_error (&error);
+}
+
+void
+eel_gconf_suggest_sync (void)
+{
+	GConfClient *client;
+	GError *error = NULL;
+
+	client = eel_gconf_client_get_global ();
+	g_return_if_fail (client != NULL);
+	
+	gconf_client_suggest_sync (client, &error);
+	eel_gconf_handle_error (&error);
+}
+
+GConfValue*
+eel_gconf_get_value (const char *key)
+{
+	GConfValue *value = NULL;
+	GConfClient *client;
+	GError *error = NULL;
+
+	g_return_val_if_fail (key != NULL, NULL);
+
+	client = eel_gconf_client_get_global ();
+	g_return_val_if_fail (client != NULL, NULL);
+
+	value = gconf_client_get (client, key, &error);
+	
+	if (eel_gconf_handle_error (&error)) {
+		if (value != NULL) {
+			gconf_value_free (value);
+			value = NULL;
+		}
+	}
+
+	return value;
+}
+
+GConfValue*
+eel_gconf_get_default_value (const char *key)
+{
+	GConfValue *value = NULL;
+	GConfClient *client;
+	GError *error = NULL;
+	
+	g_return_val_if_fail (key != NULL, NULL);
+
+	client = eel_gconf_client_get_global ();
+	g_return_val_if_fail (client != NULL, NULL);
+
+	value = gconf_client_get_default_from_schema (client, key, &error);
+	
+	if (eel_gconf_handle_error (&error)) {
+		if (value != NULL) {
+			gconf_value_free (value);
+			value = NULL;
+		}
+	}
+
+	return value;
+}
+
+static gboolean
+simple_value_is_equal (const GConfValue *a,
+		       const GConfValue *b)
+{
+	g_assert (a != NULL);
+	g_assert (b != NULL);
+
+	switch (a->type) {
+	case GCONF_VALUE_STRING:
+		return eel_str_is_equal (gconf_value_get_string (a),
+					 gconf_value_get_string (b));
+
+	case GCONF_VALUE_INT:
+		return gconf_value_get_int (a) ==
+			gconf_value_get_int (b);
+
+	case GCONF_VALUE_FLOAT:
+		return gconf_value_get_float (a) ==
+			gconf_value_get_float (b);
+
+	case GCONF_VALUE_BOOL:
+		return gconf_value_get_bool (a) ==
+			gconf_value_get_bool (b);
+	default:
+		g_assert_not_reached ();
+	}
+	
+	return FALSE;
+}
+
+gboolean
+eel_gconf_value_is_equal (const GConfValue *a,
+			       const GConfValue *b)
+{
+	GSList *node_a;
+	GSList *node_b;
+
+	if (a == NULL && b == NULL) {
+		return TRUE;
+	}
+
+	if (a == NULL || b == NULL) {
+		return FALSE;
+	}
+
+	if (a->type != b->type) {
+		return FALSE;
+	}
+
+	switch (a->type) {
+	case GCONF_VALUE_STRING:
+	case GCONF_VALUE_INT:
+	case GCONF_VALUE_FLOAT:
+	case GCONF_VALUE_BOOL:
+		return simple_value_is_equal (a, b);
+		break;
+		
+	case GCONF_VALUE_LIST:
+		if (gconf_value_get_list_type (a) !=
+		    gconf_value_get_list_type (b)) {
+			return FALSE;
+		}
+
+		node_a = gconf_value_get_list (a);
+		node_b = gconf_value_get_list (b);
+		
+		if (node_a == NULL && node_b == NULL) {
+			return TRUE;
+		}
+
+		if (g_slist_length (node_a) !=
+		    g_slist_length (node_b)) {
+			return FALSE;
+		}
+		
+		for (;
+		     node_a != NULL && node_b != NULL;
+		     node_a = node_a->next, node_b = node_b->next) {
+			g_assert (node_a->data != NULL);
+			g_assert (node_b->data != NULL);
+			if (!simple_value_is_equal (node_a->data, node_b->data)) {
+				return FALSE;
+			}
+		}
+		
+		return TRUE;
+	default:
+		/* FIXME: pair ? */
+		g_assert (0);
+	}
+	
+	g_assert_not_reached ();
+	return FALSE;
+}
+
+void
+eel_gconf_value_free (GConfValue *value)
+{
+	if (value == NULL) {
+		return;
+	}
+	
+	gconf_value_free (value);
+}
+
+guint
+eel_gconf_notification_add (const char *key,
+				 GConfClientNotifyFunc notification_callback,
+				 gpointer callback_data)
+{
+	guint notification_id;
+	GConfClient *client;
+	GError *error = NULL;
+	
+	g_return_val_if_fail (key != NULL, EEL_GCONF_UNDEFINED_CONNECTION);
+	g_return_val_if_fail (notification_callback != NULL, EEL_GCONF_UNDEFINED_CONNECTION);
+
+	client = eel_gconf_client_get_global ();
+	g_return_val_if_fail (client != NULL, EEL_GCONF_UNDEFINED_CONNECTION);
+	
+	notification_id = gconf_client_notify_add (client,
+						   key,
+						   notification_callback,
+						   callback_data,
+						   NULL,
+						   &error);
+	
+	if (eel_gconf_handle_error (&error)) {
+		if (notification_id != EEL_GCONF_UNDEFINED_CONNECTION) {
+			gconf_client_notify_remove (client, notification_id);
+			notification_id = EEL_GCONF_UNDEFINED_CONNECTION;
+		}
+	}
+	
+	return notification_id;
+}
+
+void
+eel_gconf_notification_remove (guint notification_id)
+{
+	GConfClient *client;
+
+	if (notification_id == EEL_GCONF_UNDEFINED_CONNECTION) {
+		return;
+	}
+	
+	client = eel_gconf_client_get_global ();
+	g_return_if_fail (client != NULL);
+
+	gconf_client_notify_remove (client, notification_id);
+}
+
+GSList *
+eel_gconf_value_get_string_list (const GConfValue *value)
+{
+ 	GSList *result;
+ 	const GSList *slist;
+ 	const GSList *node;
+	const char *string;
+	const GConfValue *next_value;
+
+	if (value == NULL) {
+		return NULL;
+	}
+
+	g_return_val_if_fail (value->type == GCONF_VALUE_LIST, NULL);
+	g_return_val_if_fail (gconf_value_get_list_type (value) == GCONF_VALUE_STRING, NULL);
+
+	slist = gconf_value_get_list (value);
+	result = NULL;
+	for (node = slist; node != NULL; node = node->next) {
+		next_value = node->data;
+		g_return_val_if_fail (next_value != NULL, NULL);
+		g_return_val_if_fail (next_value->type == GCONF_VALUE_STRING, NULL);
+		string = gconf_value_get_string (next_value);
+		result = g_slist_prepend (result, g_strdup (string));
+	}
+	return g_slist_reverse (result);
+}
+
+void
+eel_gconf_value_set_string_list (GConfValue *value,
+				 const GSList *string_list)
+{
+ 	const GSList *node;
+	GConfValue *next_value;
+ 	GSList *value_list;
+
+	g_return_if_fail (value->type == GCONF_VALUE_LIST);
+	g_return_if_fail (gconf_value_get_list_type (value) == GCONF_VALUE_STRING);
+
+	value_list = NULL;
+	for (node = string_list; node != NULL; node = node->next) {
+		next_value = gconf_value_new (GCONF_VALUE_STRING);
+		gconf_value_set_string (next_value, node->data);
+		value_list = g_slist_append (value_list, next_value);
+	}
+
+	gconf_value_set_list (value, value_list);
+
+	for (node = value_list; node != NULL; node = node->next) {
+		gconf_value_free (node->data);
+	}
+	g_slist_free (value_list);
+}
+