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-rw-r--r--calendar/pcs/cal-factory.c652
1 files changed, 0 insertions, 652 deletions
diff --git a/calendar/pcs/cal-factory.c b/calendar/pcs/cal-factory.c
deleted file mode 100644
index 86090fc2bb..0000000000
--- a/calendar/pcs/cal-factory.c
+++ /dev/null
@@ -1,652 +0,0 @@
-/* Evolution calendar factory
- *
- * Copyright (C) 2000 Ximian, Inc.
- * Copyright (C) 2000 Ximian, Inc.
- *
- * Author: Federico Mena-Quintero <federico@ximian.com>
- *
- * 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.
- */
-
-#include <config.h>
-#include <ctype.h>
-#include <stdio.h>
-#include <gtk/gtksignal.h>
-#include <liboaf/liboaf.h>
-#include "cal.h"
-#include "cal-backend.h"
-#include "cal-factory.h"
-#include "job.h"
-
-#define PARENT_TYPE BONOBO_X_OBJECT_TYPE
-#define CAL_FACTORY_OAF_ID "OAFIID:GNOME_Evolution_Wombat_CalendarFactory"
-
-static BonoboXObjectClass *parent_class;
-
-/* Private part of the CalFactory structure */
-struct _CalFactoryPrivate {
- /* Hash table from URI method strings to GtkType * for backend class types */
- GHashTable *methods;
-
- /* Hash table from GnomeVFSURI structures to CalBackend objects */
- GHashTable *backends;
-
- /* Whether we have been registered with OAF yet */
- guint registered : 1;
-};
-
-/* Signal IDs */
-enum SIGNALS {
- LAST_CALENDAR_GONE,
- LAST_SIGNAL
-};
-
-static guint signals[LAST_SIGNAL];
-
-/* Frees a method/GtkType * pair from the methods hash table */
-static void
-free_method (gpointer key, gpointer value, gpointer data)
-{
- char *method;
- GtkType *type;
-
- method = key;
- type = value;
-
- g_free (method);
- g_free (type);
-}
-
-/* Frees a uri/backend pair from the backends hash table */
-static void
-free_backend (gpointer key, gpointer value, gpointer data)
-{
- GnomeVFSURI *uri;
- CalBackend *backend;
-
- uri = key;
- backend = value;
-
- gnome_vfs_uri_unref (uri);
- gtk_object_unref (GTK_OBJECT (backend));
-}
-
-/* Opening calendars */
-
-/* Looks up a calendar backend in a factory's hash table of uri->cal */
-static CalBackend *
-lookup_backend (CalFactory *factory, GnomeVFSURI *uri)
-{
- CalFactoryPrivate *priv;
- CalBackend *backend;
-
- priv = factory->priv;
-
- backend = g_hash_table_lookup (priv->backends, uri);
- return backend;
-}
-
-/* Callback used when a backend loses its last connected client */
-static void
-backend_last_client_gone_cb (CalBackend *backend, gpointer data)
-{
- CalFactory *factory;
- CalFactoryPrivate *priv;
- GnomeVFSURI *uri;
- gpointer orig_key;
- gboolean result;
- GnomeVFSURI *orig_uri;
-
- fprintf (stderr, "backend_last_client_gone_cb() called!\n");
-
- factory = CAL_FACTORY (data);
- priv = factory->priv;
-
- /* Remove the backend from the hash table */
-
- uri = cal_backend_get_uri (backend);
- g_assert (uri != NULL);
-
- result = g_hash_table_lookup_extended (priv->backends, uri, &orig_key, NULL);
- g_assert (result != FALSE);
-
- orig_uri = orig_key;
-
- g_hash_table_remove (priv->backends, orig_uri);
- gnome_vfs_uri_unref (orig_uri);
-
- gtk_object_unref (GTK_OBJECT (backend));
-
- /* Notify upstream if there are no more backends */
-
- if (g_hash_table_size (priv->backends) == 0)
- gtk_signal_emit (GTK_OBJECT (factory), signals[LAST_CALENDAR_GONE]);
-}
-
-/* Adds a backend to the calendar factory's hash table */
-static void
-add_backend (CalFactory *factory, GnomeVFSURI *uri, CalBackend *backend)
-{
- CalFactoryPrivate *priv;
-
- priv = factory->priv;
-
- gnome_vfs_uri_ref (uri);
- g_hash_table_insert (priv->backends, uri, backend);
-
- gtk_signal_connect (GTK_OBJECT (backend), "last_client_gone",
- GTK_SIGNAL_FUNC (backend_last_client_gone_cb),
- factory);
-}
-
-/* Tries to launch a backend for the method of the specified URI. If there is
- * no such method registered in the factory, it sends the listener the
- * MethodNotSupported error code.
- */
-static CalBackend *
-launch_backend_for_uri (CalFactory *factory, GnomeVFSURI *uri, GNOME_Evolution_Calendar_Listener listener)
-{
- CalFactoryPrivate *priv;
- char *method;
- GtkType *type;
- CalBackend *backend;
-
- priv = factory->priv;
-
- /* FIXME: add an accessor function to gnome-vfs */
- method = uri->method_string;
-
- type = g_hash_table_lookup (priv->methods, method);
-
- if (!type) {
- CORBA_Environment ev;
-
- CORBA_exception_init (&ev);
- GNOME_Evolution_Calendar_Listener_notifyCalOpened (
- listener,
- GNOME_Evolution_Calendar_Listener_METHOD_NOT_SUPPORTED,
- CORBA_OBJECT_NIL,
- &ev);
-
- if (ev._major != CORBA_NO_EXCEPTION)
- g_message ("launch_backend_for_uri(): could not notify the listener");
-
- CORBA_exception_free (&ev);
- return NULL;
- }
-
- backend = gtk_type_new (*type);
- if (!backend)
- g_message ("launch_backend_for_uri(): could not launch the backend");
-
- return backend;
-}
-
-/* Opens a calendar backend and puts it in the factory's backend hash table */
-static CalBackend *
-open_backend (CalFactory *factory, GnomeVFSURI *uri, gboolean only_if_exists,
- GNOME_Evolution_Calendar_Listener listener)
-{
- CalFactoryPrivate *priv;
- CalBackend *backend;
- CalBackendOpenStatus status;
- CORBA_Environment ev;
-
- priv = factory->priv;
-
- backend = launch_backend_for_uri (factory, uri, listener);
- if (!backend)
- return NULL;
-
- status = cal_backend_open (backend, uri, only_if_exists);
-
- switch (status) {
- case CAL_BACKEND_OPEN_SUCCESS:
- add_backend (factory, uri, backend);
- return backend;
-
- case CAL_BACKEND_OPEN_ERROR:
- gtk_object_unref (GTK_OBJECT (backend));
-
- CORBA_exception_init (&ev);
- GNOME_Evolution_Calendar_Listener_notifyCalOpened (
- listener,
- GNOME_Evolution_Calendar_Listener_ERROR,
- CORBA_OBJECT_NIL,
- &ev);
-
- if (ev._major != CORBA_NO_EXCEPTION)
- g_message ("open_backend(): could not notify the listener");
-
- CORBA_exception_free (&ev);
- return NULL;
-
- case CAL_BACKEND_OPEN_NOT_FOUND:
- gtk_object_unref (GTK_OBJECT (backend));
-
- CORBA_exception_init (&ev);
- GNOME_Evolution_Calendar_Listener_notifyCalOpened (
- listener,
- GNOME_Evolution_Calendar_Listener_NOT_FOUND,
- CORBA_OBJECT_NIL,
- &ev);
-
- if (ev._major != CORBA_NO_EXCEPTION)
- g_message ("open_backend(): could not notify the listener");
-
- CORBA_exception_free (&ev);
- return NULL;
-
- default:
- g_assert_not_reached ();
- return NULL;
- }
-}
-
-/* Adds a listener to a calendar backend by creating a calendar client interface
- * object.
- */
-static void
-add_calendar_client (CalFactory *factory, CalBackend *backend, GNOME_Evolution_Calendar_Listener listener)
-{
- Cal *cal;
- CORBA_Environment ev;
-
- cal = cal_new (backend, listener);
- if (!cal) {
- g_message ("add_calendar_client(): could not create the calendar client interface");
-
- CORBA_exception_init (&ev);
- GNOME_Evolution_Calendar_Listener_notifyCalOpened (
- listener,
- GNOME_Evolution_Calendar_Listener_ERROR,
- CORBA_OBJECT_NIL,
- &ev);
- if (ev._major != CORBA_NO_EXCEPTION)
- g_message ("add_calendar_client(): could not notify the listener");
-
- CORBA_exception_free (&ev);
- return;
- }
-
- cal_backend_add_cal (backend, cal);
-
- CORBA_exception_init (&ev);
- GNOME_Evolution_Calendar_Listener_notifyCalOpened (
- listener,
- GNOME_Evolution_Calendar_Listener_SUCCESS,
- BONOBO_OBJREF (cal),
- &ev);
-
- if (ev._major != CORBA_NO_EXCEPTION) {
- g_message ("add_calendar_client(): could not notify the listener");
- bonobo_object_unref (BONOBO_OBJECT (cal));
- }
-
- CORBA_exception_free (&ev);
-}
-
-/* Job data */
-typedef struct {
- CalFactory *factory;
- char *uri;
- gboolean only_if_exists;
- GNOME_Evolution_Calendar_Listener listener;
-} OpenJobData;
-
-/* Job handler for the open calendar command */
-static void
-open_fn (gpointer data)
-{
- OpenJobData *jd;
- CalFactory *factory;
- GnomeVFSURI *uri;
- gboolean only_if_exists;
- GNOME_Evolution_Calendar_Listener listener;
- CalBackend *backend;
- CORBA_Environment ev;
-
- jd = data;
- g_assert (jd->uri != NULL);
-
- /* Check the URI */
-
- uri = gnome_vfs_uri_new_private (jd->uri, TRUE, TRUE, TRUE);
- g_free (jd->uri);
-
- only_if_exists = jd->only_if_exists;
- factory = jd->factory;
- listener = jd->listener;
- g_free (jd);
-
- if (!uri) {
- CORBA_exception_init (&ev);
- GNOME_Evolution_Calendar_Listener_notifyCalOpened (
- listener,
- GNOME_Evolution_Calendar_Listener_ERROR,
- CORBA_OBJECT_NIL,
- &ev);
-
- if (ev._major != CORBA_NO_EXCEPTION)
- g_message ("open_fn(): Could not notify the listener!");
-
- CORBA_exception_free (&ev);
- goto out;
- }
-
- /* Look up the backend and create it if needed */
-
- backend = lookup_backend (factory, uri);
-
- if (!backend)
- backend = open_backend (factory, uri, only_if_exists, listener);
-
- gnome_vfs_uri_unref (uri);
-
- if (backend)
- add_calendar_client (factory, backend, listener);
-
- out:
-
- CORBA_exception_init (&ev);
- CORBA_Object_release (listener, &ev);
-
- if (ev._major != CORBA_NO_EXCEPTION)
- g_message ("open_fn(): could not release the listener");
-
- CORBA_exception_free (&ev);
-}
-
-
-
-static void
-impl_CalFactory_open (PortableServer_Servant servant,
- const CORBA_char *uri,
- CORBA_boolean only_if_exists,
- GNOME_Evolution_Calendar_Listener listener,
- CORBA_Environment *ev)
-{
- CalFactory *factory;
- CalFactoryPrivate *priv;
- CORBA_Environment ev2;
- gboolean result;
- OpenJobData *jd;
- GNOME_Evolution_Calendar_Listener listener_copy;
-
- factory = CAL_FACTORY (bonobo_object_from_servant (servant));
- priv = factory->priv;
-
- CORBA_exception_init (&ev2);
- result = CORBA_Object_is_nil (listener, &ev2);
-
- if (ev2._major != CORBA_NO_EXCEPTION || result) {
- CORBA_exception_set (ev, CORBA_USER_EXCEPTION,
- ex_GNOME_Evolution_Calendar_CalFactory_NilListener,
- NULL);
-
- CORBA_exception_free (&ev2);
- return;
- }
- CORBA_exception_free (&ev2);
-
- CORBA_exception_init (&ev2);
- listener_copy = CORBA_Object_duplicate (listener, &ev2);
-
- if (ev2._major != CORBA_NO_EXCEPTION) {
- g_message ("CalFactory_open(): could not duplicate the listener");
- CORBA_exception_free (&ev2);
- CORBA_exception_set (ev, CORBA_USER_EXCEPTION,
- ex_GNOME_Evolution_Calendar_CalFactory_NilListener,
- NULL);
- return;
- }
-
- CORBA_exception_free (&ev2);
-
- jd = g_new (OpenJobData, 1);
- jd->factory = factory;
- jd->uri = g_strdup (uri);
- jd->only_if_exists = only_if_exists;
- jd->listener = listener_copy;
-
- job_add (open_fn, jd);
-}
-
-
-
-/**
- * cal_factory_new:
- * @void:
- *
- * Creates a new #CalFactory object.
- *
- * Return value: A newly-created #CalFactory, or NULL if its corresponding CORBA
- * object could not be created.
- **/
-CalFactory *
-cal_factory_new (void)
-{
- CalFactory *factory;
-
- factory = gtk_type_new (CAL_FACTORY_TYPE);
-
- return factory;
-}
-
-/* Destroy handler for the calendar */
-static void
-cal_factory_destroy (GtkObject *object)
-{
- CalFactory *factory;
- CalFactoryPrivate *priv;
-
- g_return_if_fail (object != NULL);
- g_return_if_fail (IS_CAL_FACTORY (object));
-
- factory = CAL_FACTORY (object);
- priv = factory->priv;
-
- g_hash_table_foreach (priv->methods, free_method, NULL);
- g_hash_table_destroy (priv->methods);
- priv->methods = NULL;
-
- /* Should we assert that there are no more backends? */
-
- g_hash_table_foreach (priv->backends, free_backend, NULL);
- g_hash_table_destroy (priv->backends);
- priv->backends = NULL;
-
- if (priv->registered) {
- oaf_active_server_unregister (CAL_FACTORY_OAF_ID, BONOBO_OBJREF (factory));
- priv->registered = FALSE;
- }
-
- g_free (priv);
- factory->priv = NULL;
-
- if (GTK_OBJECT_CLASS (parent_class)->destroy)
- (* GTK_OBJECT_CLASS (parent_class)->destroy) (object);
-}
-
-/* Class initialization function for the calendar factory */
-static void
-cal_factory_class_init (CalFactoryClass *klass)
-{
- GtkObjectClass *object_class = (GtkObjectClass *) klass;
- POA_GNOME_Evolution_Calendar_CalFactory__epv *epv = &klass->epv;
-
- parent_class = gtk_type_class (bonobo_object_get_type ());
-
- signals[LAST_CALENDAR_GONE] =
- gtk_signal_new ("last_calendar_gone",
- GTK_RUN_FIRST,
- object_class->type,
- GTK_SIGNAL_OFFSET (CalFactoryClass, last_calendar_gone),
- gtk_marshal_NONE__NONE,
- GTK_TYPE_NONE, 0);
-
- gtk_object_class_add_signals (object_class, signals, LAST_SIGNAL);
-
- /* Class method overrides */
- object_class->destroy = cal_factory_destroy;
-
- /* Epv methods */
- epv->open = impl_CalFactory_open;
-}
-
-/* Object initialization function for the calendar factory */
-static void
-cal_factory_init (CalFactory *factory)
-{
- CalFactoryPrivate *priv;
-
- priv = g_new0 (CalFactoryPrivate, 1);
- factory->priv = priv;
-
- priv->methods = g_hash_table_new (g_str_hash, g_str_equal);
- priv->backends = g_hash_table_new (gnome_vfs_uri_hash, gnome_vfs_uri_hequal);
- priv->registered = FALSE;
-}
-
-BONOBO_X_TYPE_FUNC_FULL (CalFactory,
- GNOME_Evolution_Calendar_CalFactory,
- PARENT_TYPE,
- cal_factory);
-
-/* Returns the lowercase version of a string */
-static char *
-str_tolower (const char *s)
-{
- char *str;
- unsigned char *p;
-
- str = g_strdup (s);
- for (p = str; *p; p++)
- if (isalpha (*p))
- *p = tolower (*p);
-
- return str;
-}
-
-/**
- * cal_factory_oaf_register:
- * @factory: A calendar factory.
- *
- * Registers a calendar factory with the OAF object activation daemon. This
- * function must be called before any clients can activate the factory.
- *
- * Return value: TRUE on success, FALSE otherwise.
- **/
-gboolean
-cal_factory_oaf_register (CalFactory *factory)
-{
- CalFactoryPrivate *priv;
- OAF_RegistrationResult result;
-
- g_return_val_if_fail (factory != NULL, FALSE);
- g_return_val_if_fail (IS_CAL_FACTORY (factory), FALSE);
-
- priv = factory->priv;
-
- g_return_val_if_fail (!priv->registered, FALSE);
-
- result = oaf_active_server_register (CAL_FACTORY_OAF_ID, BONOBO_OBJREF (factory));
-
- switch (result) {
- case OAF_REG_SUCCESS:
- priv->registered = TRUE;
- return TRUE;
-
- case OAF_REG_NOT_LISTED:
- g_message ("cal_factory_oaf_register(): Cannot register the calendar factory: "
- "not listed");
- break;
-
- case OAF_REG_ALREADY_ACTIVE:
- g_message ("cal_factory_oaf_register(): Cannot register the calendar factory: "
- "already active");
- break;
-
- case OAF_REG_ERROR:
- default:
- g_message ("cal_factory_oaf_register(): Cannot register the calendar factory: "
- "generic error");
- break;
- }
-
- return FALSE;
-}
-
-/**
- * cal_factory_register_method:
- * @factory: A calendar factory.
- * @method: Method for the URI, i.e. "http", "file", etc.
- * @backend_type: Class type of the backend to create for this @method.
- *
- * Registers the type of a #CalBackend subclass that will be used to handle URIs
- * with a particular method. When the factory is asked to open a particular
- * URI, it will look in its list of registered methods and create a backend of
- * the appropriate type.
- **/
-void
-cal_factory_register_method (CalFactory *factory, const char *method, GtkType backend_type)
-{
- CalFactoryPrivate *priv;
- GtkType *type;
- char *method_str;
-
- g_return_if_fail (factory != NULL);
- g_return_if_fail (IS_CAL_FACTORY (factory));
- g_return_if_fail (method != NULL);
- g_return_if_fail (backend_type != 0);
- g_return_if_fail (gtk_type_is_a (backend_type, CAL_BACKEND_TYPE));
-
- priv = factory->priv;
-
- method_str = str_tolower (method);
-
- type = g_hash_table_lookup (priv->methods, method_str);
- if (type) {
- g_message ("cal_factory_register_method(): Method `%s' already registered!",
- method_str);
- g_free (method_str);
- return;
- }
-
- type = g_new (GtkType, 1);
- *type = backend_type;
-
- g_hash_table_insert (priv->methods, method_str, type);
-}
-
-/**
- * cal_factory_get_n_backends:
- * @factory: A calendar factory.
- *
- * Queries the number of running calendar backends in a calendar factory.
- *
- * Return value: Number of running backends.
- **/
-int
-cal_factory_get_n_backends (CalFactory *factory)
-{
- CalFactoryPrivate *priv;
-
- g_return_val_if_fail (factory != NULL, -1);
- g_return_val_if_fail (IS_CAL_FACTORY (factory), -1);
-
- priv = factory->priv;
- return g_hash_table_size (priv->backends);
-}