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authorEttore Perazzoli <ettore@src.gnome.org>2000-05-25 13:55:59 +0800
committerEttore Perazzoli <ettore@src.gnome.org>2000-05-25 13:55:59 +0800
commitbb241192eb773d7f0d178306dd55f9ca8e31c1f0 (patch)
tree4201777027364eeea243b2f625bb373bca30ef6d /shell/e-component-registry.c
parente90eea58a2109961faa8632ac5e5783d9970366b (diff)
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Reorganized the shell to allow dynamic registration of storages and
folder types, and changed all the components to work with the new setup. svn path=/trunk/; revision=3199
Diffstat (limited to 'shell/e-component-registry.c')
-rw-r--r--shell/e-component-registry.c283
1 files changed, 283 insertions, 0 deletions
diff --git a/shell/e-component-registry.c b/shell/e-component-registry.c
new file mode 100644
index 0000000000..15e5204569
--- /dev/null
+++ b/shell/e-component-registry.c
@@ -0,0 +1,283 @@
+/* -*- Mode: C; indent-tabs-mode: t; c-basic-offset: 8; tab-width: 8 -*- */
+/* e-component-registry.c
+ *
+ * Copyright (C) 2000 Helix Code, 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
+ */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#include <gtk/gtkobject.h>
+#include <gtk/gtktypeutils.h>
+#include <bonobo.h>
+
+#include "e-util/e-util.h"
+#include "e-shell-utils.h"
+
+#include "Evolution.h"
+
+#include "e-component-registry.h"
+
+
+#define PARENT_TYPE GTK_TYPE_OBJECT
+static GtkObjectClass *parent_class = NULL;
+
+typedef struct _Component Component;
+
+struct _Component {
+ char *id;
+
+ BonoboObjectClient *client;
+
+ /* Names of the folder types we support (normal ASCII strings). */
+ GList *folder_type_names;
+};
+
+struct _EComponentRegistryPrivate {
+ EShell *shell;
+
+ GHashTable *component_id_to_component;
+};
+
+
+/* Component information handling. */
+
+static Component *
+component_new (const char *id,
+ BonoboObjectClient *client)
+{
+ Component *new;
+
+ bonobo_object_ref (BONOBO_OBJECT (client));
+
+ new = g_new (Component, 1);
+ new->id = g_strdup (id);
+ new->folder_type_names = NULL;
+ new->client = client;
+
+ return new;
+}
+
+static void
+component_free (Component *component)
+{
+ g_free (component->id);
+ bonobo_object_unref (BONOBO_OBJECT (component->client));
+
+ e_free_string_list (component->folder_type_names);
+
+ g_free (component);
+}
+
+static gboolean
+register_type (EComponentRegistry *component_registry,
+ const char *name,
+ const char *icon_name,
+ Component *handler)
+{
+ EComponentRegistryPrivate *priv;
+ EFolderTypeRegistry *folder_type_registry;
+
+ priv = component_registry->priv;
+
+ folder_type_registry = e_shell_get_folder_type_registry (priv->shell);
+ g_assert (folder_type_registry != NULL);
+
+ if (! e_folder_type_registry_register_type (folder_type_registry, name, icon_name)) {
+ g_warning ("Trying to register duplicate folder type -- %s", name);
+ return FALSE;
+ }
+
+ e_folder_type_registry_set_handler_for_type (folder_type_registry, name, handler->client);
+
+ return TRUE;
+}
+
+static gboolean
+register_component (EComponentRegistry *component_registry,
+ const char *id)
+{
+ EComponentRegistryPrivate *priv;
+ Evolution_ShellComponent component_corba_interface;
+ Evolution_Shell shell_corba_interface;
+ Evolution_FolderTypeList *supported_types;
+ Component *component;
+ BonoboObjectClient *client;
+ CORBA_Environment ev;
+ CORBA_unsigned_long i;
+
+ priv = component_registry->priv;
+
+ if (g_hash_table_lookup (priv->component_id_to_component, id) != NULL) {
+ g_warning ("Trying to register component twice -- %s", id);
+ return FALSE;
+ }
+
+ client = bonobo_object_activate (id, 0);
+ if (client == NULL)
+ return FALSE;
+
+ CORBA_exception_init (&ev);
+
+ component_corba_interface = bonobo_object_corba_objref (BONOBO_OBJECT (client));
+ shell_corba_interface = bonobo_object_corba_objref (BONOBO_OBJECT (priv->shell));
+
+ Evolution_ShellComponent_set_owner (component_corba_interface, shell_corba_interface, &ev);
+ if (ev._major != CORBA_NO_EXCEPTION) {
+ bonobo_object_unref (BONOBO_OBJECT (client));
+ CORBA_exception_free (&ev);
+ return FALSE;
+ }
+
+ supported_types = Evolution_ShellComponent__get_supported_types (component_corba_interface, &ev);
+ if (ev._major != CORBA_NO_EXCEPTION || supported_types->_length == 0) {
+ bonobo_object_unref (BONOBO_OBJECT (client));
+ CORBA_exception_free (&ev);
+ return FALSE;
+ }
+
+ CORBA_exception_free (&ev);
+
+ component = component_new (id, client);
+ g_hash_table_insert (priv->component_id_to_component, component->id, component);
+
+ for (i = 0; i < supported_types->_length; i++) {
+ const Evolution_FolderType *type;
+
+ type = supported_types->_buffer + i;
+
+ if (! register_type (component_registry, type->name, type->icon_name, component)) {
+ g_warning ("Cannot register type `%s' for component %s",
+ type->name, component->id);
+ } else {
+ g_print ("Registered type for component -- (%s) %s\n",
+ type->name, component->id);
+ }
+ }
+
+ CORBA_free (supported_types);
+
+ return TRUE;
+}
+
+
+/* GtkObject methods. */
+
+static void
+component_id_foreach_free (void *key,
+ void *value,
+ void *user_data)
+{
+ Component *component;
+
+ component = (Component *) value;
+ component_free (component);
+}
+
+static void
+destroy (GtkObject *object)
+{
+ EComponentRegistry *component_registry;
+ EComponentRegistryPrivate *priv;
+
+ component_registry = E_COMPONENT_REGISTRY (object);
+ priv = component_registry->priv;
+
+ bonobo_object_unref (BONOBO_OBJECT (priv->shell));
+
+ g_hash_table_foreach (priv->component_id_to_component, component_id_foreach_free, NULL);
+ g_hash_table_destroy (priv->component_id_to_component);
+
+ g_free (priv);
+}
+
+
+static void
+class_init (EComponentRegistryClass *klass)
+{
+ GtkObjectClass *object_class;
+
+ object_class = GTK_OBJECT_CLASS (klass);
+ object_class->destroy = destroy;
+
+ parent_class = gtk_type_class (gtk_object_get_type ());
+}
+
+
+static void
+init (EComponentRegistry *component_registry)
+{
+ EComponentRegistryPrivate *priv;
+
+ priv = g_new (EComponentRegistryPrivate, 1);
+ priv->shell = NULL;
+ priv->component_id_to_component = g_hash_table_new (g_str_hash, g_str_equal);
+
+ component_registry->priv = priv;
+}
+
+
+void
+e_component_registry_construct (EComponentRegistry *component_registry,
+ EShell *shell)
+{
+ EComponentRegistryPrivate *priv;
+
+ g_return_if_fail (component_registry != NULL);
+ g_return_if_fail (E_IS_COMPONENT_REGISTRY (component_registry));
+ g_return_if_fail (shell != NULL);
+ g_return_if_fail (E_IS_SHELL (shell));
+
+ priv = component_registry->priv;
+
+ bonobo_object_ref (BONOBO_OBJECT (shell));
+ priv->shell = shell;
+}
+
+EComponentRegistry *
+e_component_registry_new (EShell *shell)
+{
+ EComponentRegistry *component_registry;
+
+ g_return_val_if_fail (shell != NULL, NULL);
+ g_return_val_if_fail (E_IS_SHELL (shell), NULL);
+
+ component_registry = gtk_type_new (e_component_registry_get_type ());
+ e_component_registry_construct (component_registry, shell);
+
+ return component_registry;
+}
+
+
+gboolean
+e_component_registry_register_component (EComponentRegistry *component_registry,
+ const char *id)
+{
+ g_return_val_if_fail (component_registry != NULL, FALSE);
+ g_return_val_if_fail (E_IS_COMPONENT_REGISTRY (component_registry), FALSE);
+ g_return_val_if_fail (id != NULL, FALSE);
+
+ return register_component (component_registry, id);
+}
+
+
+E_MAKE_TYPE (e_component_registry, "EComponentRegistry", EComponentRegistry,
+ class_init, init, PARENT_TYPE)