Added a URI schema registry to the shell, and changed the bootstrap

sequence to get the schema lists from the components and register them
into it.

svn path=/trunk/; revision=10553

1 files changed, 177 insertions, 0 deletions

diff --git a/shell/e-uri-schema-registry.c b/shell/e-uri-schema-registry.c
new file mode 100644
index 0000000000..e27648359f
--- /dev/null
+++ b/shell/e-uri-schema-registry.c
@@ -0,0 +1,177 @@
+/* -*- Mode: C; indent-tabs-mode: t; c-basic-offset: 8; tab-width: 8 -*- */
+/* e-uri-schema-registry.c
+ *
+ * Copyright (C) 2001  Ximian, Inc.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * This program 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
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public
+ * License along with this program; if not, write to the
+ * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ *
+ * Author: Ettore Perazzoli <ettore@ximian.com>
+ */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#include "e-uri-schema-registry.h"
+
+#include <gal/util/e-util.h>
+
+
+#define PARENT_TYPE gtk_object_get_type ()
+static GtkObjectClass *parent_class = NULL;
+
+struct _SchemaHandler {
+	char *schema;
+	EvolutionShellComponentClient *component;
+};
+typedef struct _SchemaHandler SchemaHandler;
+
+struct _EUriSchemaRegistryPrivate {
+	GHashTable *schema_to_handler;
+};
+
+
+/* SchemaHandler.  */
+
+static SchemaHandler *
+schema_handler_new (const char *schema,
+		    EvolutionShellComponentClient *component)
+{
+	SchemaHandler *handler;
+
+	handler = g_new (SchemaHandler, 1);
+	handler->schema    = g_strdup (schema);
+	handler->component = component;
+
+	bonobo_object_ref (BONOBO_OBJECT (component));
+
+	return handler;
+}
+
+static void
+schema_handler_free (SchemaHandler *handler)
+{
+	g_free (handler->schema);
+	bonobo_object_unref (BONOBO_OBJECT (handler->component));
+
+	g_free (handler);
+}
+
+
+static void
+schema_to_handler_destroy_foreach_callback (void *key,
+					    void *value,
+					    void *data)
+{
+	schema_handler_free ((SchemaHandler *) value);
+}
+
+
+/* GtkObject methods.  */
+
+static void
+impl_destroy (GtkObject *object)
+{
+	EUriSchemaRegistry *registry;
+	EUriSchemaRegistryPrivate *priv;
+
+	registry = E_URI_SCHEMA_REGISTRY (object);
+	priv = registry->priv;
+
+	g_hash_table_foreach (priv->schema_to_handler, schema_to_handler_destroy_foreach_callback, NULL);
+	g_hash_table_destroy (priv->schema_to_handler);
+	g_free (priv);
+
+	(* GTK_OBJECT_CLASS (parent_class)->destroy) (object);
+}
+
+
+static void
+class_init (GtkObjectClass *object_class)
+{
+	parent_class = gtk_type_class (PARENT_TYPE);
+
+	object_class->destroy = impl_destroy;
+}
+
+static void
+init (EUriSchemaRegistry *uri_schema_registry)
+{
+	EUriSchemaRegistryPrivate *priv;
+
+	priv = g_new (EUriSchemaRegistryPrivate, 1);
+	priv->schema_to_handler = g_hash_table_new (g_str_hash, g_str_equal);
+
+	uri_schema_registry->priv = priv;
+}
+
+
+EUriSchemaRegistry *
+e_uri_schema_registry_new (void)
+{
+	EUriSchemaRegistry *registry;
+
+	registry = gtk_type_new (e_uri_schema_registry_get_type ());
+
+	return registry;
+}
+
+
+gboolean
+e_uri_schema_registry_set_handler_for_schema (EUriSchemaRegistry *registry,
+					      const char *schema,
+					      EvolutionShellComponentClient *shell_component)
+{
+	EUriSchemaRegistryPrivate *priv;
+	SchemaHandler *existing_handler;
+	SchemaHandler *new_handler;
+
+	g_return_val_if_fail (registry != NULL, FALSE);
+	g_return_val_if_fail (E_IS_URI_SCHEMA_REGISTRY (registry), FALSE);
+	g_return_val_if_fail (schema != NULL, FALSE);
+	g_return_val_if_fail (shell_component == NULL || EVOLUTION_IS_SHELL_COMPONENT_CLIENT (shell_component), FALSE);
+
+	priv = registry->priv;
+
+	existing_handler = g_hash_table_lookup (priv->schema_to_handler, schema);
+	if (existing_handler != NULL)
+		return FALSE;
+
+	new_handler = schema_handler_new (schema, shell_component);
+	g_hash_table_insert (priv->schema_to_handler, new_handler->schema, new_handler);
+
+	return TRUE;
+}
+
+EvolutionShellComponentClient *
+e_uri_schema_get_handler_for_schema (EUriSchemaRegistry *registry,
+				     const char *schema)
+{
+	EUriSchemaRegistryPrivate *priv;
+	const SchemaHandler *handler;
+
+	g_return_val_if_fail (registry != NULL, NULL);
+	g_return_val_if_fail (E_IS_URI_SCHEMA_REGISTRY (registry), NULL);
+	g_return_val_if_fail (schema != NULL, NULL);
+
+	priv = registry->priv;
+
+	handler = g_hash_table_lookup (priv->schema_to_handler, schema);
+	return handler->component;
+}
+
+
+E_MAKE_TYPE (e_uri_schema_registry, "EUriSchemaRegistry", EUriSchemaRegistry, class_init, init, PARENT_TYPE)