diff options
Diffstat (limited to 'calendar/pcs')
| -rw-r--r-- | calendar/pcs/.cvsignore | 11 | ||||
| -rw-r--r-- | calendar/pcs/Makefile.am | 49 | ||||
| -rw-r--r-- | calendar/pcs/cal-backend-db.c | 1503 | ||||
| -rw-r--r-- | calendar/pcs/cal-backend-db.h | 57 | ||||
| -rw-r--r-- | calendar/pcs/cal-backend-file.c | 1623 | ||||
| -rw-r--r-- | calendar/pcs/cal-backend-file.h | 63 | ||||
| -rw-r--r-- | calendar/pcs/cal-backend.c | 542 | ||||
| -rw-r--r-- | calendar/pcs/cal-backend.h | 153 | ||||
| -rw-r--r-- | calendar/pcs/cal-common.h | 42 | ||||
| -rw-r--r-- | calendar/pcs/cal-factory.c | 652 | ||||
| -rw-r--r-- | calendar/pcs/cal-factory.h | 73 | ||||
| -rw-r--r-- | calendar/pcs/cal.c | 587 | ||||
| -rw-r--r-- | calendar/pcs/cal.h | 71 | ||||
| -rw-r--r-- | calendar/pcs/job.c | 99 | ||||
| -rw-r--r-- | calendar/pcs/job.h | 36 | ||||
| -rw-r--r-- | calendar/pcs/query.c | 1215 | ||||
| -rw-r--r-- | calendar/pcs/query.h | 69 |
17 files changed, 0 insertions, 6845 deletions
diff --git a/calendar/pcs/.cvsignore b/calendar/pcs/.cvsignore deleted file mode 100644 index ac51a554db..0000000000 --- a/calendar/pcs/.cvsignore +++ /dev/null @@ -1,11 +0,0 @@ -Makefile -Makefile.in -.deps -.libs -.pure -*.la -*.lo -evolution-calendar-stubs.c -evolution-calendar-skels.c -evolution-calendar-common.c -evolution-calendar.h diff --git a/calendar/pcs/Makefile.am b/calendar/pcs/Makefile.am deleted file mode 100644 index 227ca53257..0000000000 --- a/calendar/pcs/Makefile.am +++ /dev/null @@ -1,49 +0,0 @@ -INCLUDES = \ - -DG_LOG_DOMAIN=\"wombat-pcs\" \ - -I$(top_srcdir) \ - -I$(top_srcdir)/calendar \ - -I$(top_srcdir)/libical/src/libical \ - -I$(top_builddir)/libical/src/libical \ - $(BONOBO_VFS_GNOME_CFLAGS) \ - $(EXTRA_GNOME_CFLAGS) \ - -DGNOMELOCALEDIR=\""$(localedir)"\" - -CORBA_GENERATED = \ - evolution-calendar.h \ - evolution-calendar-common.c \ - evolution-calendar-skels.c \ - evolution-calendar-stubs.c - -idls = \ - $(srcdir)/../idl/evolution-calendar.idl - -idl_flags = -I $(srcdir) `$(GNOME_CONFIG) --cflags idl` -I $(datadir)/idl - -$(CORBA_GENERATED): $(idls) - $(ORBIT_IDL) $(idl_flags) $(srcdir)/../idl/evolution-calendar.idl - -noinst_LIBRARIES = libpcs.a - -libpcs_a_SOURCES = \ - $(CORBA_GENERATED) \ - cal.c \ - cal.h \ - cal-backend.c \ - cal-backend.h \ - cal-backend-file.c \ - cal-backend-file.h \ - cal-common.h \ - cal-factory.c \ - cal-factory.h \ - job.c \ - job.h \ - query.c \ - query.h - - -BUILT_SOURCES = $(CORBA_GENERATED) -CLEANFILES += $(BUILT_SOURCES) - -dist-hook: - cd $(distdir); rm -f $(BUILT_SOURCES) - diff --git a/calendar/pcs/cal-backend-db.c b/calendar/pcs/cal-backend-db.c deleted file mode 100644 index d4773760f8..0000000000 --- a/calendar/pcs/cal-backend-db.c +++ /dev/null @@ -1,1503 +0,0 @@ -/* Evolution calendar - iCalendar DB backend - * - * Copyright (C) 2001 Ximian, Inc. - * - * Author: Rodrigo Moya <rodrigo@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 <gtk/gtksignal.h> -#include "cal-util/cal-recur.h" -#include "cal-backend-db.h" -#include <db.h> -#if DB_VERSION_MAJOR < 3 -# error "You need libdb3 to compile the DB backend" -#endif - -#define ENVIRONMENT_DIRECTORY "%s/evolution/local/Calendar/db.environment" - -/* structure to identify an open cursor */ -typedef struct { - gint ref; - DBC* dbc; - DB* parent_db; - - /* data in the cursor */ - GList *keys; - GList *data; -} CalBackendDBCursor; - -/* private part of the CalBackendDB structure */ -struct _CalBackendDBPrivate { - /* URI where the calendar data is stored */ - GnomeVFSURI *uri; - - /* Berkeley DB's library handles */ - DB_ENV *environment; - DB *objects_db; - DB *history_db; - - /* list of open cursors */ - GList *cursors; - - /* list of clients using this backend */ - GList *clients; -}; - -static void cal_backend_db_class_init (CalBackendDBClass *klass); -static void cal_backend_db_init (CalBackendDB *cbdb); -static void cal_backend_db_destroy (GtkObject *object); - -static GnomeVFSURI *cal_backend_db_get_uri (CalBackend *backend); -static void cal_backend_db_add_cal (CalBackend *backend, Cal *cal); -static CalBackendOpenStatus cal_backend_db_open (CalBackend *backend, - GnomeVFSURI *uri, - gboolean only_if_exists); -static gboolean cal_backend_db_is_loaded (CalBackend *backend); - -static int cal_backend_db_get_n_objects (CalBackend *backend, CalObjType type); -static char *cal_backend_db_get_object (CalBackend *backend, const char *uid); -static CalObjType cal_backend_db_get_type_by_uid (CalBackend *backend, const char *uid); -static GList* cal_backend_db_get_uids (CalBackend *backend, CalObjType type); -static GList* cal_backend_db_get_objects_in_range (CalBackend *backend, - CalObjType type, - time_t start, - time_t end); -static GNOME_Evolution_Calendar_CalObjChangeSeq *cal_backend_db_get_changes ( - CalBackend *backend, CalObjType type, const char *change_id); - -static GNOME_Evolution_Calendar_CalComponentAlarmsSeq *cal_backend_db_get_alarms_in_range ( - CalBackend *backend, time_t start, time_t end); - -static GNOME_Evolution_Calendar_CalComponentAlarms *cal_backend_db_get_alarms_for_object ( - CalBackend *backend, const char *uid, time_t start, time_t end, gboolean *object_found); - -static gboolean cal_backend_db_update_object (CalBackend *backend, - const char *uid, - const char *calobj); -static gboolean cal_backend_db_remove_object (CalBackend *backend, const char *uid); - -static void close_cursor (CalBackendDB *cbdb, CalBackendDBCursor *cursor); -static CalBackendDBCursor *open_cursor (CalBackendDB *cbdb, DB *db); -static CalBackendDBCursor *find_cursor_by_db (CalBackendDB *cbdb, DB *db); -static DBT *find_record_by_id (CalBackendDBCursor *cursor, const gchar *id); - -static DB_TXN *begin_transaction (CalBackendDB *cbdb); -static void commit_transaction (DB_TXN *tid); -static void rollback_transaction (DB_TXN *tid); - -static CalBackendClass *parent_class; - -/** - * cal_backend_db_get_type: - * @void: - * - * Registers the #CalBackendDB class if necessary and returns the type ID - * associated to it. - * - * Return value: The type ID of the #CalBackendDB class. - */ -GtkType -cal_backend_db_get_type (void) -{ - static GtkType cal_backend_db_type = 0; - - if (!cal_backend_db_type) { - static const GtkTypeInfo cal_backend_db_info = { - "CalBackendDB", - sizeof (CalBackendDB), - sizeof (CalBackendDBClass), - (GtkClassInitFunc) cal_backend_db_class_init, - (GtkObjectInitFunc) cal_backend_db_init, - NULL, - NULL, - (GtkClassInitFunc) NULL - }; - - cal_backend_db_type = gtk_type_unique(CAL_BACKEND_TYPE, &cal_backend_db_info); - } - - return cal_backend_db_type; -} - -/* class initialization function for the DB backend */ -static void -cal_backend_db_class_init (CalBackendDBClass *klass) -{ - GtkObjectClass *object_class; - CalBackendClass *backend_class; - - object_class = (GtkObjectClass *) klass; - backend_class = (CalBackendClass *) klass; - - parent_class = gtk_type_class(CAL_BACKEND_TYPE); - - object_class->destroy = cal_backend_db_destroy; - - backend_class->get_uri = cal_backend_db_get_uri; - backend_class->add_cal = cal_backend_db_add_cal; - backend_class->open = cal_backend_db_open; - backend_class->is_loaded = cal_backend_db_is_loaded; - backend_class->get_n_objects = cal_backend_db_get_n_objects; - backend_class->get_object = cal_backend_db_get_object; - backend_class->get_type_by_uid = cal_backend_db_get_type_by_uid; - backend_class->get_uids = cal_backend_db_get_uids; - backend_class->get_objects_in_range = cal_backend_db_get_objects_in_range; - backend_class->get_changes = cal_backend_db_get_changes; - backend_class->get_alarms_in_range = cal_backend_db_get_alarms_in_range; - backend_class->get_alarms_for_object = cal_backend_db_get_alarms_for_object; - backend_class->update_object = cal_backend_db_update_object; - backend_class->remove_object = cal_backend_db_remove_object; -} - -/* object initialization function for the DB backend */ -static void -cal_backend_db_init (CalBackendDB *cbdb) -{ - CalBackendDBPrivate *priv; - - priv = g_new0(CalBackendDBPrivate, 1); - cbdb->priv = priv; -} - -/* Destroy handler for the DB backend */ -static void -cal_backend_db_destroy (GtkObject *object) -{ - CalBackendDB *cbdb; - CalBackendDBPrivate *priv; - GList *node; - - g_return_if_fail(object != NULL); - g_return_if_fail(IS_CAL_BACKEND_DB(object)); - - cbdb = CAL_BACKEND_DB(object); - priv = cbdb->priv; - - g_assert(cbdb->priv->clients == NULL); - - /* clean up */ - if (priv->uri) { - gnome_vfs_uri_unref(priv->uri); - priv->uri = NULL; - } - - /* close open cursors */ - while ((node = g_list_first(cbdb->priv->cursors))) { - close_cursor(cbdb, (CalBackendDBCursor *) node->data); - } - - /* close open databases */ - if (cbdb->priv->objects_db) - cbdb->priv->objects_db->close(cbdb->priv->objects_db, 0); - if (cbdb->priv->history_db) - cbdb->priv->history_db->close(cbdb->priv->history_db, 0); - - /* close DB environment */ - if (cbdb->priv->environment) - cbdb->priv->environment->close(cbdb->priv->environment, 0); - - g_free((gpointer) priv); - cbdb->priv = NULL; - - if (GTK_OBJECT_CLASS(parent_class)->destroy) - (*GTK_OBJECT_CLASS(parent_class)->destroy)(object); -} - -/* - * Private functions - */ - -/* close an open cursor and frees all associated memory */ -static void -close_cursor (CalBackendDB *cbdb, CalBackendDBCursor *cursor) -{ - GList *node; - DBT *dbt; - - g_return_if_fail(cursor != NULL); - - cursor->ref--; - if (cursor->ref > 0) - return; - - /* free all keys and data */ - while ((node = g_list_first(cursor->keys))) { - dbt = (DBT *) node->data; - cursor->keys = g_list_remove(cursor->keys, (gpointer) dbt); - g_free((gpointer) dbt); - } - while ((node = g_list_first(cursor->data))) { - dbt = (DBT *) node->data; - cursor->data = g_list_remove(cursor->data, (gpointer) dbt); - g_free((gpointer) dbt); - } - - /* finally, close the cursor */ - cursor->dbc->c_close(cursor->dbc); - - cbdb->priv->cursors = g_list_remove(cbdb->priv->cursors, (gpointer) cursor); - g_free((gpointer) cursor); -} - -/* open a cursor for the given database */ -static CalBackendDBCursor * -open_cursor (CalBackendDB *cbdb, DB *db) -{ - CalBackendDBCursor *cursor; - gint ret; - - g_return_val_if_fail(IS_CAL_BACKEND_DB(cbdb), NULL); - g_return_val_if_fail(db != NULL, NULL); - - /* search for the cursor in our list of cursors */ - cursor = find_cursor_by_db(cbdb, db); - if (cursor) { - cursor->ref++; - return cursor; - } - - /* create the cursor */ - cursor = g_new0(CalBackendDBCursor, 1); - cursor->parent_db = db; - cursor->ref = 1; - - ret = db->cursor(db, NULL, &cursor->dbc, 0); - if (ret == 0) { - DBT key; - DBT data; - - /* read data */ - memset(&key, 0, sizeof(key)); - memset(&data, 0, sizeof(data)); - - while ((ret = cursor->dbc->c_get(cursor->dbc, &key, &data, DB_NEXT)) == 0) { - cursor->keys = g_list_append(cursor->keys, g_memdup(&key, sizeof(key))); - cursor->data = g_list_append(cursor->data, g_memdup(&data, sizeof(data))); - - memset(&key, 0, sizeof(key)); - memset(&data, 0, sizeof(data)); - } - if (ret == DB_NOTFOUND) { - cbdb->priv->cursors = g_list_prepend(cbdb->priv->cursors, (gpointer) cursor); - return cursor; - } - - /* close cursor on error */ - close_cursor(cbdb, cursor); - } - - return NULL; -} - -/* search for a cursor in the given backend */ -static CalBackendDBCursor * -find_cursor_by_db (CalBackendDB *cbdb, DB *db) -{ - GList *node; - - g_return_val_if_fail(IS_CAL_BACKEND_DB(cbdb), NULL); - g_return_val_if_fail(cbdb->priv != NULL, NULL); - g_return_val_if_fail(db != NULL, NULL); - - for (node = g_list_first(cbdb->priv->cursors); node != NULL; node = g_list_next(node)) { - CalBackendDBCursor* cursor = (CalBackendDBCursor *) node->data; - - if (cursor && cursor->parent_db == db) - return cursor; - } - - return NULL; /* not found */ -} - -/* finds a record in a cursor by its ID */ -static DBT * -find_record_by_id (CalBackendDBCursor *cursor, const gchar *id) -{ - GList *node; - - g_return_val_if_fail(cursor != NULL, NULL); - g_return_val_if_fail(id != NULL, NULL); - - - for (node = g_list_first(cursor->keys); node != NULL; node = g_list_next(node)) { - DBT *key; - - key = (DBT *) node->data; - if (key && !strcmp(key->data, id)) { - GList *tmp; - - tmp = g_list_nth(cursor->data, g_list_position(cursor->keys, node)); - if (tmp) - return (DBT *) tmp->data; - return NULL; /* no data associated with this key */ - } - } - - return NULL; /* not found */ -} - -/* start a new transaction */ -static DB_TXN * -begin_transaction (CalBackendDB *cbdb) -{ - DB_TXN *tid; - gint ret; - - g_return_val_if_fail(IS_CAL_BACKEND_DB(cbdb), NULL); - g_return_val_if_fail(cbdb->priv != NULL, NULL); - - if ((ret = txn_begin(cbdb->priv->environment, NULL, &tid, 0)) != 0) { - /* TODO: error logging */ - return NULL; - } - - return tid; -} - -/* finish successfully a transaction */ -static void -commit_transaction (DB_TXN *tid) -{ - gint ret; - - g_return_if_fail(tid != NULL); - - if ((ret = txn_commit(tid, 0)) != 0) { - /* TODO: error logging? */ - } -} - -/* abort a transaction */ -static void -rollback_transaction (DB_TXN *tid) -{ - gint ret; - - g_return_if_fail(tid != NULL); - - if ((ret = txn_abort(tid)) != 0) { - /* TODO: error logging? */ - } -} - -/* - * Calendar backend methods - */ - -/* get_uri handler for the DB backend */ -static GnomeVFSURI * -cal_backend_db_get_uri (CalBackend *backend) -{ - CalBackendDB *cbdb; - - cbdb = CAL_BACKEND_DB(backend); - g_return_val_if_fail(IS_CAL_BACKEND_DB(cbdb), NULL); - g_return_val_if_fail(cbdb->priv != NULL, NULL); - - return cbdb->priv->uri; -} - -/* callback used when a Cal is destroyed */ -static void -destroy_cal_cb (GtkObject *object, gpointer data) -{ - Cal *cal; - Cal *tmp_cal; - CalBackendDB *cbdb; - GList *node; - - cal = CAL(object); - cbdb = CAL_BACKEND_DB(data); - - g_return_if_fail(IS_CAL_BACKEND_DB(cbdb)); - g_return_if_fail(cbdb->priv != NULL); - - /* find the Cal in the list of clients */ - for (node = cbdb->priv->clients; node != NULL; node = g_list_next(node)) { - tmp_cal = CAL(node->data); - if (tmp_cal == cal) - break; - } - - if (node) { - /* disconnect this Cal */ - cbdb->priv->clients = g_list_remove_link(cbdb->priv->clients, node); - g_list_free_1(node); - - /* when all clients go away, notify the parent factory about it so that - * it may decide to kill the backend or not. - */ - if (!cbdb->priv->clients) - cal_backend_last_client_gone(CAL_BACKEND(cbdb)); - } -} - -/* add_cal_handler for the DB backend */ -static void -cal_backend_db_add_cal (CalBackend *backend, Cal *cal) -{ - CalBackendDB *cbdb; - - cbdb = CAL_BACKEND_DB(backend); - g_return_if_fail(IS_CAL_BACKEND_DB(cbdb)); - g_return_if_fail(cbdb->priv != NULL); - g_return_if_fail(IS_CAL(cal)); - - /* we do not keep a reference to the Cal since the calendar user agent - * owns it - */ - gtk_signal_connect(GTK_OBJECT(cal), - "destroy", - GTK_SIGNAL_FUNC(destroy_cal_cb), - backend); - - cbdb->priv->clients = g_list_prepend(cbdb->priv->clients, (gpointer) cal); -} - -/* database file initialization */ -static gboolean -open_database_file (CalBackendDB *cbdb, const gchar *str_uri, gboolean only_if_exists) -{ - gint ret; - struct stat sb; - gchar *dir; - - g_return_val_if_fail(IS_CAL_BACKEND_DB(cbdb), FALSE); - g_return_val_if_fail(cbdb->priv != NULL, FALSE); - g_return_val_if_fail(cbdb->priv->objects_db != NULL, FALSE); - g_return_val_if_fail(cbdb->priv->history_db != NULL, FALSE); - g_return_val_if_fail(str_uri != NULL, FALSE); - - /* initialize DB environment (for transactions) */ - dir = g_strdup_printf(ENVIRONMENT_DIRECTORY, g_get_home_dir()); - if (stat(dir, &sb) != 0) { - - /* if the directory exists, we're done, since DB will fail if it's the - * wrong one. If it does not exist, create the environment */ - if (mkdir(dir, S_IRWXU) != 0) { - g_free((gpointer) dir); - return FALSE; - } - - /* create the environment handle */ - if ((ret = db_env_create(&cbdb->priv->environment, 0)) != 0) { - g_free((gpointer) dir); - return FALSE; - } - - cbdb->priv->environment->set_errpfx(cbdb->priv->environment, "cal-backend-db"); - - /* open the transactional environment */ - if ((ret = cbdb->priv->environment->open(cbdb->priv->environment, - ENVIRONMENT_DIRECTORY, - DB_CREATE | DB_INIT_LOCK | DB_INIT_LOG | - DB_INIT_MPOOL | DB_INIT_TXN | - DB_RECOVER | DB_THREAD, - S_IRUSR | S_IWUSR)) != 0) { - g_free((gpointer) dir); - return FALSE; - } - } - - g_free((gpointer) dir); - - /* open/create objects database into given file */ - if ((ret = db_create(&cbdb->priv->objects_db, cbdb->priv->environment, 0)) != 0 - || (ret = db_create(&cbdb->priv->history_db, cbdb->priv->environment, 0)) != 0) { - return FALSE; - } - - if (only_if_exists) { - ret = cbdb->priv->objects_db->open(cbdb->priv->objects_db, - str_uri, - "calendar_objects", - DB_HASH, - DB_THREAD, - 0644); - } - else { - ret = cbdb->priv->objects_db->open(cbdb->priv->objects_db, - str_uri, - "calendar_objects", - DB_HASH, - DB_CREATE | DB_THREAD, - 0644); - } - if (ret == 0) { - /* now, open the history database */ - ret = cbdb->priv->history_db->open(cbdb->priv->history_db, - str_uri, - "calendar_history", - DB_BTREE, - DB_CREATE | DB_THREAD, - 0644); - if (ret == 0) return TRUE; - - /* close objects database on error */ - cbdb->priv->objects_db->close(cbdb->priv->objects_db, 0); - } - - return FALSE; -} - -/* open handler for the DB backend */ -static CalBackendOpenStatus -cal_backend_db_open (CalBackend *backend, GnomeVFSURI *uri, gboolean only_if_exists) -{ - CalBackendDB *cbdb; - gchar *str_uri; - - cbdb = CAL_BACKEND_DB(backend); - g_return_val_if_fail(IS_CAL_BACKEND_DB(cbdb), CAL_BACKEND_OPEN_ERROR); - g_return_val_if_fail(cbdb->priv != NULL, CAL_BACKEND_OPEN_ERROR); - g_return_val_if_fail(uri != NULL, CAL_BACKEND_OPEN_ERROR); - g_return_val_if_fail(cbdb->priv->objects_db == NULL, CAL_BACKEND_OPEN_ERROR); - - /* open the given URI */ - if (!gnome_vfs_uri_is_local(uri)) - return CAL_BACKEND_OPEN_ERROR; - str_uri = gnome_vfs_uri_to_string(uri, - (GNOME_VFS_URI_HIDE_USER_NAME - | GNOME_VFS_URI_HIDE_PASSWORD - | GNOME_VFS_URI_HIDE_HOST_NAME - | GNOME_VFS_URI_HIDE_HOST_PORT - | GNOME_VFS_URI_HIDE_TOPLEVEL_METHOD)); - - /* open database file */ - if (!open_database_file(cbdb, (const gchar *) str_uri, only_if_exists)) { - g_free((gpointer) str_uri); - return CAL_BACKEND_OPEN_ERROR; - } - - gnome_vfs_uri_ref(uri); - cbdb->priv->uri = uri; - g_free((gpointer) str_uri); - - return CAL_BACKEND_OPEN_SUCCESS; -} - -/* is_loaded handler for the DB backend */ -static gboolean -cal_backend_db_is_loaded (CalBackend *backend) -{ - CalBackendDB *cbdb; - - cbdb = CAL_BACKEND_DB (backend); - - return (cbdb->priv->uri != NULL); -} - -/* get_n_objects handler for the DB backend */ -static int -cal_backend_db_get_n_objects (CalBackend *backend, CalObjType type) -{ - CalBackendDB *cbdb; - CalBackendDBCursor *cursor; - int total_count = 0; - - cbdb = CAL_BACKEND_DB(backend); - g_return_val_if_fail(IS_CAL_BACKEND_DB(cbdb), -1); - g_return_val_if_fail(cbdb->priv != NULL, -1); - - /* open the cursor */ - cursor = open_cursor(cbdb, cbdb->priv->objects_db); - if (cursor) { - GList *node; - - /* we traverse all data, to check for each object's type */ - for (node = g_list_first(cursor->data); node != NULL; node = g_list_next(node)) { - icalcomponent *icalcomp; - DBT *data = (DBT *) node->data; - - icalcomp = icalparser_parse_string((char *) data->data); - if (icalcomp) { - switch (icalcomponent_isa(icalcomp)) { - case ICAL_VEVENT_COMPONENT : - if (type & CALOBJ_TYPE_EVENT) - total_count++; - break; - case ICAL_VTODO_COMPONENT : - if (type & CALOBJ_TYPE_TODO) - total_count++; - break; - case ICAL_VJOURNAL_COMPONENT : - if (type & CALOBJ_TYPE_JOURNAL) - total_count++; - break; - default : - break; - } - icalcomponent_free(icalcomp); - } - } - close_cursor(cbdb, cursor); - } - - return total_count; -} - -/* get_object handler for the DB backend */ -static char * -cal_backend_db_get_object (CalBackend *backend, const char *uid) -{ - CalBackendDB *cbdb; - gint ret; - DBT key; - DBT data; - - cbdb = CAL_BACKEND_DB(backend); - g_return_val_if_fail(IS_CAL_BACKEND_DB(cbdb), NULL); - g_return_val_if_fail(cbdb->priv != NULL, NULL); - g_return_val_if_fail(cbdb->priv->objects_db != NULL, NULL); - g_return_val_if_fail(uid != NULL, NULL); - - memset(&key, 0, sizeof(key)); - memset(&data, 0, sizeof(data)); - key.data = (void *) uid; - key.size = strlen(uid); // + 1 - - /* read record from database */ - if ((ret = cbdb->priv->objects_db->get(cbdb->priv->objects_db, - NULL, - &key, - &data, - 0)) == 0) { - gchar *str = g_strdup((gchar *) data.data); - return str; - } - - return NULL; -} - -/* get_type_by_uid handler for the DB backend */ -static CalObjType -cal_backend_db_get_type_by_uid (CalBackend *backend, const char *uid) -{ - CalBackendDB *cbdb; - DBT key; - DBT data; - gint ret; - - cbdb = CAL_BACKEND_DB(backend); - g_return_val_if_fail(IS_CAL_BACKEND_DB(cbdb), CAL_COMPONENT_NO_TYPE); - g_return_val_if_fail(cbdb->priv != NULL, CAL_COMPONENT_NO_TYPE); - g_return_val_if_fail(cbdb->priv->objects_db != NULL, CAL_COMPONENT_NO_TYPE); - g_return_val_if_fail(uid != NULL, CAL_COMPONENT_NO_TYPE); - - memset(&key, 0, sizeof(key)); - memset(&data, 0, sizeof(data)); - key.data = (void *) uid; - key.size = strlen(uid); // + 1 - - /* read record from database */ - if ((ret = cbdb->priv->objects_db->get(cbdb->priv->objects_db, - NULL, - &key, - &data, - 0)) == 0) { - icalcomponent *icalcomp = icalparser_parse_string((char *) data.data); - if (icalcomp) { - CalObjType type; - - switch (icalcomponent_isa(icalcomp)) { - case ICAL_VEVENT_COMPONENT : - type = CALOBJ_TYPE_EVENT; - break; - case ICAL_VTODO_COMPONENT : - type = CALOBJ_TYPE_TODO; - break; - case ICAL_VJOURNAL_COMPONENT : - type = CALOBJ_TYPE_JOURNAL; - break; - default : - type = CAL_COMPONENT_NO_TYPE; - } - - icalcomponent_free(icalcomp); - return type; - } - } - - return CAL_COMPONENT_NO_TYPE; -} - -static GList * -add_uid_if_match (GList *list, CalBackendDBCursor *cursor, GList *data_node, CalObjType type) -{ - DBT *data; - - g_return_val_if_fail(cursor != NULL, list); - g_return_val_if_fail(data_node != NULL, list); - - data = (DBT *) data_node->data; - if (data) { - icalcomponent *icalcomp; - gchar *uid = NULL; - - icalcomp = icalparser_parse_string(data->data); - if (!icalcomp) return list; - - switch (icalcomponent_isa(icalcomp)) { - case ICAL_VEVENT_COMPONENT : - if (type & CALOBJ_TYPE_EVENT) - uid = (gchar *) icalcomponent_get_uid(icalcomp); - break; - case ICAL_VTODO_COMPONENT : - if (type & CALOBJ_TYPE_TODO) - uid = (gchar *) icalcomponent_get_uid(icalcomp); - break; - case ICAL_VJOURNAL_COMPONENT : - if (type & CALOBJ_TYPE_JOURNAL) - uid = (gchar *) icalcomponent_get_uid(icalcomp); - break; - default : - uid = NULL; - } - - if (uid) - list = g_list_prepend(list, g_strdup(uid)); - icalcomponent_free(icalcomp); - } - - return list; -} - -/* get_uids handler for the DB backend */ -static GList * -cal_backend_db_get_uids (CalBackend *backend, CalObjType type) -{ - CalBackendDB *cbdb; - GList *list = NULL; - CalBackendDBCursor *cursor; - - cbdb = CAL_BACKEND_DB(backend); - g_return_val_if_fail(IS_CAL_BACKEND_DB(cbdb), NULL); - g_return_val_if_fail(cbdb->priv != NULL, NULL); - g_return_val_if_fail(cbdb->priv->objects_db != NULL, NULL); - - /* open cursor */ - cursor = open_cursor(cbdb, cbdb->priv->objects_db); - if (cursor) { - GList *node; - - /* we traverse all data, to check for each object's type */ - for (node = g_list_first(cursor->data); node != NULL; node = g_list_next(node)) { - list = add_uid_if_match(list, cursor, node, type); - } - close_cursor(cbdb, cursor); - } - - return list; -} - -/* callback used from cal_recur_generate_instances(): adds the component's UID to - * our hash table - */ -static gboolean -add_instance (CalComponent *comp, time_t start, time_t end, gpointer data) -{ - GHashTable *uid_hash; - const char *uid; - const char *old_uid; - - uid_hash = data; - - cal_component_get_uid(comp, &uid); - - old_uid = g_hash_table_lookup(uid_hash, uid); - if (old_uid) - return FALSE; - - g_hash_table_insert(uid_hash, (char *) uid, NULL); - return FALSE; -} - -/* creates the list of UIDs in the given range */ -static void -get_instances_in_range (GHashTable *uid_hash, - CalBackendDBCursor *cursor, - CalObjType type, - time_t start, - time_t end) -{ - GList *node; - - g_return_if_fail(uid_hash != NULL); - g_return_if_fail(cursor != NULL); - - for (node = g_list_first(cursor->data); node != NULL; node = g_list_next(node)) { - DBT *data; - icalcomponent *icalcomp; - - data = (DBT *) node->data; - if (data) { - icalcomp = icalparser_parse_string((char *) data->data); - if (icalcomp) { - CalComponent *comp = cal_component_new(); - cal_component_set_icalcomponent(comp, icalcomp); - - switch (icalcomponent_isa(icalcomp)) { - case ICAL_VEVENT_COMPONENT : - if (type & CALOBJ_TYPE_EVENT) - cal_recur_generate_instances(comp, - start, - end, - add_instance, - uid_hash); - break; - case ICAL_VTODO_COMPONENT : - if (type & CALOBJ_TYPE_TODO) - cal_recur_generate_instances(comp, - start, - end, - add_instance, - uid_hash); - break; - case ICAL_VJOURNAL_COMPONENT : - if (type & CALOBJ_TYPE_JOURNAL) - cal_recur_generate_instances(comp, - start, - end, - add_instance, - uid_hash); - break; - default : - break; - } - - gtk_object_unref(GTK_OBJECT(comp)); - icalcomponent_free(icalcomp); - } - } - } -} - -/* callback used from g_hash_table_foreach: adds a UID from the hash table to our list */ -static void -add_uid_to_list (gpointer key, gpointer value, gpointer data) -{ - GList **list; - const char *uid; - - list = (GList **) data; - - uid = (const char *) key; - *list = g_list_prepend(*list, (gpointer) g_strdup(uid)); -} - -/* get_objects_in_range handler for the DB backend */ -static GList * -cal_backend_db_get_objects_in_range (CalBackend *backend, - CalObjType type, - time_t start, - time_t end) -{ - CalBackendDB *cbdb; - GList *list = NULL; - CalBackendDBCursor *cursor; - - cbdb = CAL_BACKEND_DB(backend); - g_return_val_if_fail(IS_CAL_BACKEND_DB(cbdb), NULL); - g_return_val_if_fail(cbdb->priv != NULL, NULL); - - /* open cursor */ - cursor = open_cursor(cbdb, cbdb->priv->objects_db); - if (cursor) { - GHashTable *uid_hash; - - /* build the hash table */ - uid_hash = g_hash_table_new(g_str_hash, g_str_equal); - get_instances_in_range(uid_hash, cursor, type, start, end); - - /* build the list to be returned from the hash table */ - g_hash_table_foreach(uid_hash, add_uid_to_list, &list); - g_hash_table_destroy(uid_hash); - - close_cursor(cbdb, cursor); - } - - return list; -} - -/* get_changes handler for the DB backend */ -static GNOME_Evolution_Calendar_CalObjChangeSeq * -cal_backend_db_get_changes (CalBackend *backend, CalObjType type, const char *change_id) -{ - CalBackendDB *cbdb; - - cbdb = CAL_BACKEND_DB(backend); - g_return_val_if_fail(IS_CAL_BACKEND_DB(cbdb), NULL); - g_return_val_if_fail(cbdb->priv != NULL, NULL); - - return NULL; -} - -/* computes the range of time in which recurrences should be generated for a - * component in order to compute alarm trigger times. - */ -static void -compute_alarm_range (CalComponent *comp, - GList *alarm_uids, - time_t start, - time_t end, - time_t *alarm_start, - time_t *alarm_end) -{ - GList *l; - - *alarm_start = start; - *alarm_end = end; - - for (l = alarm_uids; l; l = l->next) { - const char *auid; - CalComponentAlarm *alarm; - CalAlarmTrigger trigger; - struct icaldurationtype *dur; - time_t dur_time; - - auid = l->data; - alarm = cal_component_get_alarm (comp, auid); - g_assert (alarm != NULL); - - cal_component_alarm_get_trigger (alarm, &trigger); - cal_component_alarm_free (alarm); - - switch (trigger.type) { - case CAL_ALARM_TRIGGER_NONE: - case CAL_ALARM_TRIGGER_ABSOLUTE: - continue; - case CAL_ALARM_TRIGGER_RELATIVE_START: - case CAL_ALARM_TRIGGER_RELATIVE_END: - dur = &trigger.u.rel_duration; - dur_time = icaldurationtype_as_int (*dur); - - if (dur->is_neg) - *alarm_end = MAX (*alarm_end, end + dur_time); - else - *alarm_start = MIN (*alarm_start, start - dur_time); - - break; - default: - g_assert_not_reached (); - } - } - - g_assert (*alarm_start <= *alarm_end); -} - -/* closure data to generate alarm occurrences */ -struct alarm_occurrence_data { - /* these are the info we have */ - GList *alarm_uids; - time_t start; - time_t end; - - /* this is what we compute */ - GSList *triggers; - int n_triggers; -}; - -/* callback used from cal_recur_generate_instances(); generates triggers for all - * of a component's RELATIVE alarms. - */ -static gboolean -add_alarm_occurrences_cb (CalComponent *comp, time_t start, time_t end, gpointer data) -{ - struct alarm_occurrence_data *aod; - GList *l; - - aod = data; - - for (l = aod->alarm_uids; l; l = l->next) { - const char *auid; - CalComponentAlarm *alarm; - CalAlarmTrigger trigger; - struct icaldurationtype *dur; - time_t dur_time; - time_t occur_time, trigger_time; - CalAlarmInstance *instance; - - auid = l->data; - alarm = cal_component_get_alarm (comp, auid); - g_assert (alarm != NULL); - - cal_component_alarm_get_trigger (alarm, &trigger); - cal_component_alarm_free (alarm); - - if (trigger.type != CAL_ALARM_TRIGGER_RELATIVE_START - && trigger.type != CAL_ALARM_TRIGGER_RELATIVE_END) - continue; - - dur = &trigger.u.rel_duration; - dur_time = icaldurationtype_as_int (*dur); - - if (trigger.type == CAL_ALARM_TRIGGER_RELATIVE_START) - occur_time = start; - else - occur_time = end; - - if (dur->is_neg) - trigger_time = occur_time - dur_time; - else - trigger_time = occur_time + dur_time; - - if (trigger_time < aod->start || trigger_time >= aod->end) - continue; - - instance = g_new (CalAlarmInstance, 1); - instance->auid = auid; - instance->trigger = trigger_time; - instance->occur = occur_time; - - aod->triggers = g_slist_prepend (aod->triggers, instance); - aod->n_triggers++; - } - - return TRUE; -} - -/* generates the absolute triggers for a component */ -static void -generate_absolute_triggers (CalComponent *comp, struct alarm_occurrence_data *aod) -{ - GList *l; - - for (l = aod->alarm_uids; l; l = l->next) { - const char *auid; - CalComponentAlarm *alarm; - CalAlarmTrigger trigger; - time_t abs_time; - CalAlarmInstance *instance; - - auid = l->data; - alarm = cal_component_get_alarm (comp, auid); - g_assert (alarm != NULL); - - cal_component_alarm_get_trigger (alarm, &trigger); - cal_component_alarm_free (alarm); - - if (trigger.type != CAL_ALARM_TRIGGER_ABSOLUTE) - continue; - - abs_time = icaltime_as_timet (trigger.u.abs_time); - - if (abs_time < aod->start || abs_time >= aod->end) - continue; - - instance = g_new (CalAlarmInstance, 1); - instance->auid = auid; - instance->trigger = abs_time; - instance->occur = abs_time; /* No particular occurrence, so just use the same time */ - - aod->triggers = g_slist_prepend (aod->triggers, instance); - aod->n_triggers++; - } -} - -/* compares two alarm instances; called from g_slist_sort() */ -static gint -compare_alarm_instance (gconstpointer a, gconstpointer b) -{ - const CalAlarmInstance *aia, *aib; - - aia = a; - aib = b; - - if (aia->trigger < aib->trigger) - return -1; - else if (aia->trigger > aib->trigger) - return 1; - else - return 0; -} - -/* generates alarm instances for a calendar component. Returns the instances - * structure, or NULL if no alarm instances occurred in the specified time - * range. - */ -static CalComponentAlarms * -generate_alarms_for_comp (CalComponent *comp, time_t start, time_t end) -{ - CalComponentAlarms *alarms = NULL; - GList *alarm_uids; - time_t alarm_start, alarm_end; - struct alarm_occurrence_data aod; - - g_return_val_if_fail(IS_CAL_COMPONENT(comp), NULL); - - if (!cal_component_has_alarms(comp)) - return NULL; - - alarm_uids = cal_component_get_alarm_uids(comp); - compute_alarm_range(comp, alarm_uids, start, end, &alarm_start, &alarm_end); - - aod.alarm_uids = alarm_uids; - aod.start = start; - aod.end = end; - aod.triggers = NULL; - aod.n_triggers = 0; - cal_recur_generate_instances(comp, alarm_start, alarm_end, add_alarm_occurrences_cb, &aod); - - /* we add the ABSOLUTE triggers separately */ - generate_absolute_triggers(comp, &aod); - - if (aod.n_triggers == 0) - return NULL; - - /* create the component alarm instances structure */ - alarms = g_new (CalComponentAlarms, 1); - alarms->comp = comp; - gtk_object_ref (GTK_OBJECT (alarms->comp)); - alarms->alarms = g_slist_sort (aod.triggers, compare_alarm_instance); - - return alarms; -} - -/* retrieve list of alarms */ -static GSList * -get_list_of_alarms (CalBackendDBCursor *cursor, time_t start, time_t end) -{ - GSList *list = NULL; - GList *node; - - g_return_val_if_fail(cursor != NULL, NULL); - - for (node = g_list_first(cursor->data); node != NULL; node = g_list_next(node)) { - icalcomponent *icalcomp; - icalcomponent_kind kind; - DBT *data; - - data = (DBT *) node->data; - if (data) { - icalcomp = icalparser_parse_string((char *) data->data); - if (icalcomp) { - /* per RFC 2445, only VEVENTs and VTODOs can have alarms */ - kind = icalcomponent_isa(icalcomp); - if (kind == ICAL_VEVENT_COMPONENT || kind == ICAL_VTODO_COMPONENT) { - CalComponent *comp; - CalComponentAlarms *alarms; - - /* create the CalComponent to compute the alarms */ - comp = cal_component_new(); - cal_component_set_icalcomponent(comp, icalcomp); - - alarms = generate_alarms_for_comp(comp, start, end); - if (alarms) - list = g_slist_prepend(list, (gpointer) alarms); - - gtk_object_unref(GTK_OBJECT(comp)); - } - - icalcomponent_free(icalcomp); - } - } - } - - return list; -} - -/* fills a CORBA sequence of alarm instances */ -static void -fill_alarm_instances_seq (GNOME_Evolution_Calendar_CalAlarmInstanceSeq *seq, GSList *alarms) -{ - int n_alarms; - GSList *l; - int i; - - n_alarms = g_slist_length(alarms); - - CORBA_sequence_set_release(seq, TRUE); - seq->_length = n_alarms; - seq->_buffer = CORBA_sequence_GNOME_Evolution_Calendar_CalAlarmInstance_allocbuf(n_alarms); - - for (l = alarms, i = 0; l != NULL; l = l->next, i++) { - CalAlarmInstance *instance; - GNOME_Evolution_Calendar_CalAlarmInstance *corba_instance; - - instance = (CalAlarmInstance *) l->data; - corba_instance = seq->_buffer + i; - - corba_instance->auid = CORBA_string_dup(instance->auid); - corba_instance->trigger = (long) instance->trigger; - corba_instance->occur = (long) instance->occur; - } -} - -/* get_alarms_in_range handler for the DB backend */ -static GNOME_Evolution_Calendar_CalComponentAlarmsSeq * -cal_backend_db_get_alarms_in_range (CalBackend *backend, time_t start, time_t end) -{ - CalBackendDB *cbdb; - CalBackendDBCursor *cursor; - gint number_of_alarms; - GSList *alarm_list; - GSList *node; - gint i; - GNOME_Evolution_Calendar_CalComponentAlarmsSeq *seq = NULL; - - cbdb = CAL_BACKEND_DB(backend); - g_return_val_if_fail(IS_CAL_BACKEND_DB(cbdb), NULL); - g_return_val_if_fail(cbdb->priv != NULL, NULL); - g_return_val_if_fail (start != -1 && end != -1, NULL); - g_return_val_if_fail (start <= end, NULL); - - /* open cursor */ - cursor = open_cursor(cbdb, cbdb->priv->objects_db); - if (cursor) { - alarm_list = get_list_of_alarms(cursor, start, end); - number_of_alarms = g_slist_length(alarm_list); - - /* create the CORBA sequence */ - seq = GNOME_Evolution_Calendar_CalComponentAlarmsSeq__alloc(); - CORBA_sequence_set_release(seq, TRUE); - seq->_length = number_of_alarms; - seq->_buffer = CORBA_sequence_GNOME_Evolution_Calendar_CalComponentAlarms_allocbuf( - number_of_alarms); - - /* populate CORBA sequence */ - for (node = alarm_list, i = 0; node != NULL; node = node->next, i++) { - CalComponentAlarms *alarms; - gchar *comp_str; - - alarms = (CalComponentAlarms *) node->data; - - comp_str = cal_component_get_as_string (alarms->comp); - seq->_buffer[i].calobj = CORBA_string_dup(comp_str); - g_free((gpointer) comp_str); - - fill_alarm_instances_seq(&seq->_buffer[i].alarms, alarms->alarms); - - cal_component_alarms_free(alarms); - } - - g_slist_free(alarm_list); - close_cursor(cbdb, cursor); - } - - return seq; -} - -/* get_alarms_for_object handler for the DB backend */ -static GNOME_Evolution_Calendar_CalComponentAlarms * -cal_backend_db_get_alarms_for_object (CalBackend *backend, - const char *uid, - time_t start, - time_t end, - gboolean *object_found) -{ - CalBackendDB *cbdb; - CalBackendDBCursor *cursor; - GNOME_Evolution_Calendar_CalComponentAlarms *corba_alarms = NULL; - DBT *data; - gchar *comp_str; - CalComponentAlarms *alarms; - - cbdb = CAL_BACKEND_DB(backend); - g_return_val_if_fail(IS_CAL_BACKEND_DB(cbdb), NULL); - g_return_val_if_fail(cbdb->priv != NULL, NULL); - g_return_val_if_fail(uid != NULL, NULL); - g_return_val_if_fail(start != -1 && end != -1, NULL); - g_return_val_if_fail(start <= end, NULL); - g_return_val_if_fail(object_found != NULL, NULL); - - *object_found = FALSE; - - /* open the cursor */ - cursor = open_cursor(cbdb, cbdb->priv->objects_db); - if (cursor) { - data = find_record_by_id(cursor, uid); - if (data) { - icalcomponent *icalcomp; - CalComponent *comp; - - *object_found = TRUE; - - comp_str = (gchar *) data->data; - - icalcomp = icalparser_parse_string(comp_str); - if (!icalcomp) { - close_cursor(cbdb, cursor); - return NULL; - } - - comp = cal_component_new(); - cal_component_set_icalcomponent(comp, icalcomp); - - /* create the CORBA alarms */ - corba_alarms = GNOME_Evolution_Calendar_CalComponentAlarms__alloc(); - corba_alarms->calobj = CORBA_string_dup (comp_str); - - /* populate the CORBA sequence */ - alarms = generate_alarms_for_comp(comp, start, end); - if (alarms) { - fill_alarm_instances_seq(&corba_alarms->alarms, alarms->alarms); - cal_component_alarms_free(alarms); - } - else - fill_alarm_instances_seq(&corba_alarms->alarms, NULL); - - gtk_object_unref(GTK_OBJECT(comp)); - icalcomponent_free(icalcomp); - } - - close_cursor(cbdb, cursor); - } - - return corba_alarms; -} - -/* do notifications to Cal clients */ -static void -do_notify (CalBackendDB *cbdb, void (*notify_fn)(Cal *, gchar *), const gchar *uid) -{ - GList *node; - - g_return_if_fail(IS_CAL_BACKEND_DB(cbdb)); - g_return_if_fail(cbdb->priv != NULL); - g_return_if_fail(notify_fn != NULL); - g_return_if_fail(uid != NULL); - - /* FIXME: do notification asynchronously */ - for (node = g_list_first(cbdb->priv->clients); node != NULL; node = g_list_next(node)) { - Cal *cal; - - cal = CAL(node->data); - (*notify_fn)(cal, (gpointer) uid); - } -} - -/* adds a record to the history database */ -static gboolean -add_history (CalBackendDB *cbdb, DB_TXN *tid, const gchar *uid, const gchar *calobj) -{ - DBT key; - DBT new_data; - gint ret; - - g_return_val_if_fail(IS_CAL_BACKEND_DB(cbdb), FALSE); - g_return_val_if_fail(uid != NULL, FALSE); - g_return_val_if_fail(calobj != NULL, FALSE); - - /* fill in DBT structures */ - memset(&key, 0, sizeof(key)); - key.data = (void *) uid; - key.size = strlen(uid); // + 1 - - memset(&new_data, 0, sizeof(new_data)); - new_data.data = (void *) calobj; - new_data.size = strlen(calobj); // + 1 - - /* add the new record to the database */ - if ((ret = cbdb->priv->history_db->put(cbdb->priv->objects_db, - tid, - &key, - &new_data, - 0)) != 0) { - return FALSE; - } - - return TRUE; -} - -/* update_object handler for the DB backend */ -static gboolean -cal_backend_db_update_object (CalBackend *backend, const char *uid, const char *calobj) -{ - CalBackendDB *cbdb; - DB_TXN *tid; - DBT key; - DBT new_data; - gint ret; - - cbdb = CAL_BACKEND_DB(backend); - g_return_val_if_fail(IS_CAL_BACKEND_DB(cbdb), FALSE); - g_return_val_if_fail(cbdb->priv != NULL, FALSE); - g_return_val_if_fail(cbdb->priv->objects_db != NULL, FALSE); - g_return_val_if_fail(uid != NULL, FALSE); - g_return_val_if_fail(calobj != NULL, FALSE); - - /* start transaction */ - tid = begin_transaction(cbdb); - if (!tid) - return FALSE; - - memset(&key, 0, sizeof(key)); - key.data = (void *) uid; - key.size = strlen(uid); // + 1 - - memset(&new_data, 0, sizeof(new_data)); - new_data.data = (void *) calobj; - new_data.size = strlen(calobj); // + 1 - - if ((ret = cbdb->priv->objects_db->put(cbdb->priv->objects_db, - tid, - &key, - &new_data, - 0)) != 0) { - rollback_transaction(tid); - return FALSE; - } - - if (!add_history(cbdb, tid, uid, calobj)) { - rollback_transaction(tid); - return FALSE; - } - commit_transaction(tid); - - cal_backend_obj_updated (CAL_BACKEND (cbdb), uid); - do_notify(cbdb, cal_notify_update, uid); - return TRUE; -} - -/* remove_object handler for the DB backend */ -static gboolean -cal_backend_db_remove_object (CalBackend *backend, const char *uid) -{ - CalBackendDB *cbdb; - DB_TXN *tid; - DBT key; - gint ret; - - cbdb = CAL_BACKEND_DB(backend); - g_return_val_if_fail(IS_CAL_BACKEND_DB(cbdb), FALSE); - g_return_val_if_fail(cbdb->priv != NULL, FALSE); - g_return_val_if_fail(uid != NULL, FALSE); - - memset(&key, 0, sizeof(key)); - key.data = (void *) uid; - key.size = strlen(uid); // + 1 - - /* start transaction */ - tid = begin_transaction(cbdb); - if (!tid) - return FALSE; - - /* remove record from database */ - if ((ret = cbdb->priv->objects_db->del(cbdb->priv->objects_db, tid, &key, 0)) != 0) { - rollback_transaction(tid); - return FALSE; - } - - /* TODO: update history database */ - commit_transaction(tid); - - cal_backend_obj_removed (CAL_BACKEND (cbdb), uid); - do_notify(cbdb, cal_notify_remove, uid); - - return TRUE; -} diff --git a/calendar/pcs/cal-backend-db.h b/calendar/pcs/cal-backend-db.h deleted file mode 100644 index c73dbb5a83..0000000000 --- a/calendar/pcs/cal-backend-db.h +++ /dev/null @@ -1,57 +0,0 @@ -/* Evolution calendar - iCalendar DB backend - * - * Copyright (C) 2001 Ximian, Inc. - * - * Author: Rodrigo Moya <rodrigo@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. - */ - -#ifndef CAL_BACKEND_DB_H -#define CAL_BACKEND_DB_H - -#include "cal-backend.h" - -BEGIN_GNOME_DECLS - -#define CAL_BACKEND_DB_TYPE (cal_backend_db_get_type ()) -#define CAL_BACKEND_DB(obj) (GTK_CHECK_CAST ((obj), CAL_BACKEND_DB_TYPE, \ - CalBackendDB)) -#define CAL_BACKEND_DB_CLASS(klass) (GTK_CHECK_CLASS_CAST ((klass), CAL_BACKEND_DB_TYPE, \ - CalBackendDBClass)) -#define IS_CAL_BACKEND_DB(obj) (GTK_CHECK_TYPE ((obj), CAL_BACKEND_DB_TYPE)) -#define IS_CAL_BACKEND_DB_CLASS(klass) (GTK_CHECK_CLASS_TYPE ((klass), CAL_BACKEND_DB_TYPE)) - -typedef struct _CalBackendDB CalBackendDB; -typedef struct _CalBackendDBClass CalBackendDBClass; - -typedef struct _CalBackendDBPrivate CalBackendDBPrivate; - -struct _CalBackendDB { - CalBackend backend; - - /* Private data */ - CalBackendDBPrivate *priv; -}; - -struct _CalBackendDBClass { - CalBackendClass parent_class; -}; - -GtkType cal_backend_db_get_type (void); - -END_GNOME_DECLS - -#endif diff --git a/calendar/pcs/cal-backend-file.c b/calendar/pcs/cal-backend-file.c deleted file mode 100644 index 1267f44e3f..0000000000 --- a/calendar/pcs/cal-backend-file.c +++ /dev/null @@ -1,1623 +0,0 @@ -/* Evolution calendar - iCalendar file backend - * - * Copyright (C) 2000 Helix Code, 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 <gtk/gtksignal.h> -#include "e-util/e-dbhash.h" -#include "cal-util/cal-recur.h" -#include "cal-backend-file.h" - - - -/* Private part of the CalBackendFile structure */ -struct _CalBackendFilePrivate { - /* URI where the calendar data is stored */ - GnomeVFSURI *uri; - - /* List of Cal objects with their listeners */ - GList *clients; - - /* Toplevel VCALENDAR component */ - icalcomponent *icalcomp; - - /* All the CalComponent objects in the calendar, hashed by UID. The - * hash key *is* the uid returned by cal_component_get_uid(); it is not - * copied, so don't free it when you remove an object from the hash - * table. - */ - GHashTable *comp_uid_hash; - - /* All event, to-do, and journal components in the calendar; they are - * here just for easy access (i.e. so that you don't have to iterate - * over the comp_uid_hash). If you need *all* the components in the - * calendar, iterate over the hash instead. - */ - GList *events; - GList *todos; - GList *journals; - - /* Idle handler for saving the calendar when it is dirty */ - guint idle_id; -}; - - - -static void cal_backend_file_class_init (CalBackendFileClass *class); -static void cal_backend_file_init (CalBackendFile *cbfile); -static void cal_backend_file_destroy (GtkObject *object); - -static GnomeVFSURI *cal_backend_file_get_uri (CalBackend *backend); -static void cal_backend_file_add_cal (CalBackend *backend, Cal *cal); -static CalBackendOpenStatus cal_backend_file_open (CalBackend *backend, GnomeVFSURI *uri, - gboolean only_if_exists); -static gboolean cal_backend_file_is_loaded (CalBackend *backend); - -static int cal_backend_file_get_n_objects (CalBackend *backend, CalObjType type); -static char *cal_backend_file_get_object (CalBackend *backend, const char *uid); -static CalObjType cal_backend_file_get_type_by_uid (CalBackend *backend, const char *uid); -static GList *cal_backend_file_get_uids (CalBackend *backend, CalObjType type); -static GList *cal_backend_file_get_objects_in_range (CalBackend *backend, CalObjType type, - time_t start, time_t end); -static GNOME_Evolution_Calendar_CalObjChangeSeq *cal_backend_file_get_changes ( - CalBackend *backend, CalObjType type, const char *change_id); - -static GNOME_Evolution_Calendar_CalComponentAlarmsSeq *cal_backend_file_get_alarms_in_range ( - CalBackend *backend, time_t start, time_t end); - -static GNOME_Evolution_Calendar_CalComponentAlarms *cal_backend_file_get_alarms_for_object ( - CalBackend *backend, const char *uid, - time_t start, time_t end, gboolean *object_found); - -static gboolean cal_backend_file_update_object (CalBackend *backend, const char *uid, - const char *calobj); -static gboolean cal_backend_file_remove_object (CalBackend *backend, const char *uid); - -static CalBackendClass *parent_class; - - - -/** - * cal_backend_file_get_type: - * @void: - * - * Registers the #CalBackendFile class if necessary, and returns the type ID - * associated to it. - * - * Return value: The type ID of the #CalBackendFile class. - **/ -GtkType -cal_backend_file_get_type (void) -{ - static GtkType cal_backend_file_type = 0; - - if (!cal_backend_file_type) { - static const GtkTypeInfo cal_backend_file_info = { - "CalBackendFile", - sizeof (CalBackendFile), - sizeof (CalBackendFileClass), - (GtkClassInitFunc) cal_backend_file_class_init, - (GtkObjectInitFunc) cal_backend_file_init, - NULL, /* reserved_1 */ - NULL, /* reserved_2 */ - (GtkClassInitFunc) NULL - }; - - cal_backend_file_type = gtk_type_unique (CAL_BACKEND_TYPE, &cal_backend_file_info); - } - - return cal_backend_file_type; -} - -/* Class initialization function for the file backend */ -static void -cal_backend_file_class_init (CalBackendFileClass *class) -{ - GtkObjectClass *object_class; - CalBackendClass *backend_class; - - object_class = (GtkObjectClass *) class; - backend_class = (CalBackendClass *) class; - - parent_class = gtk_type_class (CAL_BACKEND_TYPE); - - object_class->destroy = cal_backend_file_destroy; - - backend_class->get_uri = cal_backend_file_get_uri; - backend_class->add_cal = cal_backend_file_add_cal; - backend_class->open = cal_backend_file_open; - backend_class->is_loaded = cal_backend_file_is_loaded; - backend_class->get_n_objects = cal_backend_file_get_n_objects; - backend_class->get_object = cal_backend_file_get_object; - backend_class->get_type_by_uid = cal_backend_file_get_type_by_uid; - backend_class->get_uids = cal_backend_file_get_uids; - backend_class->get_objects_in_range = cal_backend_file_get_objects_in_range; - backend_class->get_changes = cal_backend_file_get_changes; - backend_class->get_alarms_in_range = cal_backend_file_get_alarms_in_range; - backend_class->get_alarms_for_object = cal_backend_file_get_alarms_for_object; - backend_class->update_object = cal_backend_file_update_object; - backend_class->remove_object = cal_backend_file_remove_object; -} - -/* Object initialization function for the file backend */ -static void -cal_backend_file_init (CalBackendFile *cbfile) -{ - CalBackendFilePrivate *priv; - - priv = g_new0 (CalBackendFilePrivate, 1); - cbfile->priv = priv; - - priv->uri = NULL; - priv->clients = NULL; - priv->icalcomp = NULL; - priv->comp_uid_hash = NULL; - priv->events = NULL; - priv->todos = NULL; - priv->journals = NULL; -} - -/* g_hash_table_foreach() callback to destroy a CalComponent */ -static void -free_cal_component (gpointer key, gpointer value, gpointer data) -{ - CalComponent *comp; - - comp = CAL_COMPONENT (value); - gtk_object_unref (GTK_OBJECT (comp)); -} - -/* Saves the calendar data */ -static void -save (CalBackendFile *cbfile) -{ - CalBackendFilePrivate *priv; - GnomeVFSHandle *handle = NULL; - GnomeVFSResult result; - GnomeVFSFileSize out; - gchar *tmp; - char *buf; - - priv = cbfile->priv; - g_assert (priv->uri != NULL); - g_assert (priv->icalcomp != NULL); - - /* Make a backup copy of the file if it exists */ - tmp = gnome_vfs_uri_to_string (priv->uri, GNOME_VFS_URI_HIDE_NONE); - if (tmp) { - GnomeVFSURI *backup_uri; - gchar *backup_uristr; - - backup_uristr = g_strconcat (tmp, "~", NULL); - backup_uri = gnome_vfs_uri_new (backup_uristr); - - result = gnome_vfs_move_uri (priv->uri, backup_uri, TRUE); - gnome_vfs_uri_unref (backup_uri); - - g_free (tmp); - g_free (backup_uristr); - } - - /* Now write the new file out */ - result = gnome_vfs_create_uri (&handle, priv->uri, - GNOME_VFS_OPEN_WRITE, - FALSE, 0666); - - if (result != GNOME_VFS_OK) - goto error; - - buf = icalcomponent_as_ical_string (priv->icalcomp); - result = gnome_vfs_write (handle, buf, strlen (buf) * sizeof (char), &out); - - if (result != GNOME_VFS_OK) - goto error; - - gnome_vfs_close (handle); - - return; - - error: - g_warning ("Error writing calendar file."); - return; -} - -/* Destroy handler for the file backend */ -static void -cal_backend_file_destroy (GtkObject *object) -{ - CalBackendFile *cbfile; - CalBackendFilePrivate *priv; - - g_return_if_fail (object != NULL); - g_return_if_fail (IS_CAL_BACKEND_FILE (object)); - - cbfile = CAL_BACKEND_FILE (object); - priv = cbfile->priv; - - g_assert (priv->clients == NULL); - - /* Save if necessary */ - - if (priv->idle_id != 0) { - save (cbfile); - g_source_remove (priv->idle_id); - priv->idle_id = 0; - } - - /* Clean up */ - - if (priv->uri) { - gnome_vfs_uri_unref (priv->uri); - priv->uri = NULL; - } - - if (priv->comp_uid_hash) { - g_hash_table_foreach (priv->comp_uid_hash, - free_cal_component, NULL); - g_hash_table_destroy (priv->comp_uid_hash); - priv->comp_uid_hash = NULL; - } - - g_list_free (priv->events); - g_list_free (priv->todos); - g_list_free (priv->journals); - - priv->events = NULL; - priv->todos = NULL; - priv->journals = NULL; - - if (priv->icalcomp) { - icalcomponent_free (priv->icalcomp); - priv->icalcomp = NULL; - } - - g_free (priv); - cbfile->priv = NULL; - - if (GTK_OBJECT_CLASS (parent_class)->destroy) - (* GTK_OBJECT_CLASS (parent_class)->destroy) (object); -} - - - -/* Looks up a component by its UID on the backend's component hash table */ -static CalComponent * -lookup_component (CalBackendFile *cbfile, const char *uid) -{ - CalBackendFilePrivate *priv; - CalComponent *comp; - - priv = cbfile->priv; - - comp = g_hash_table_lookup (priv->comp_uid_hash, uid); - - return comp; -} - - - -/* Calendar backend methods */ - -/* Get_uri handler for the file backend */ -static GnomeVFSURI * -cal_backend_file_get_uri (CalBackend *backend) -{ - CalBackendFile *cbfile; - CalBackendFilePrivate *priv; - - cbfile = CAL_BACKEND_FILE (backend); - priv = cbfile->priv; - - g_return_val_if_fail (priv->icalcomp != NULL, NULL); - g_assert (priv->uri != NULL); - - return priv->uri; -} - -/* Callback used when a Cal is destroyed */ -static void -cal_destroy_cb (GtkObject *object, gpointer data) -{ - Cal *cal; - Cal *lcal; - CalBackendFile *cbfile; - CalBackendFilePrivate *priv; - GList *l; - - cal = CAL (object); - - cbfile = CAL_BACKEND_FILE (data); - priv = cbfile->priv; - - /* Find the cal in the list of clients */ - - for (l = priv->clients; l; l = l->next) { - lcal = CAL (l->data); - - if (lcal == cal) - break; - } - - g_assert (l != NULL); - - /* Disconnect */ - - priv->clients = g_list_remove_link (priv->clients, l); - g_list_free_1 (l); - - /* When all clients go away, notify the parent factory about it so that - * it may decide whether to kill the backend or not. - */ - if (!priv->clients) - cal_backend_last_client_gone (CAL_BACKEND (cbfile)); -} - -/* Add_cal handler for the file backend */ -static void -cal_backend_file_add_cal (CalBackend *backend, Cal *cal) -{ - CalBackendFile *cbfile; - CalBackendFilePrivate *priv; - - cbfile = CAL_BACKEND_FILE (backend); - priv = cbfile->priv; - - g_return_if_fail (priv->icalcomp != NULL); - g_return_if_fail (cal != NULL); - g_return_if_fail (IS_CAL (cal)); - - /* We do not keep a reference to the Cal since the calendar user agent - * owns it. - */ - - gtk_signal_connect (GTK_OBJECT (cal), "destroy", - GTK_SIGNAL_FUNC (cal_destroy_cb), - backend); - - priv->clients = g_list_prepend (priv->clients, cal); -} - -/* Idle handler; we save the calendar since it is dirty */ -static gboolean -save_idle (gpointer data) -{ - CalBackendFile *cbfile; - CalBackendFilePrivate *priv; - - cbfile = CAL_BACKEND_FILE (data); - priv = cbfile->priv; - - g_assert (priv->icalcomp != NULL); - - save (cbfile); - - priv->idle_id = 0; - return FALSE; -} - -/* Marks the file backend as dirty and queues a save operation */ -static void -mark_dirty (CalBackendFile *cbfile) -{ - CalBackendFilePrivate *priv; - - priv = cbfile->priv; - - if (priv->idle_id != 0) - return; - - priv->idle_id = g_idle_add (save_idle, cbfile); -} - -/* Checks if the specified component has a duplicated UID and if so changes it */ -static void -check_dup_uid (CalBackendFile *cbfile, CalComponent *comp) -{ - CalBackendFilePrivate *priv; - CalComponent *old_comp; - const char *uid; - char *new_uid; - - priv = cbfile->priv; - - cal_component_get_uid (comp, &uid); - - old_comp = g_hash_table_lookup (priv->comp_uid_hash, uid); - if (!old_comp) - return; /* Everything is fine */ - - g_message ("check_dup_uid(): Got object with duplicated UID `%s', changing it...", uid); - - new_uid = cal_component_gen_uid (); - cal_component_set_uid (comp, new_uid); - g_free (new_uid); - - /* FIXME: I think we need to reset the SEQUENCE property and reset the - * CREATED/DTSTAMP/LAST-MODIFIED. - */ - - mark_dirty (cbfile); -} - -/* Tries to add an icalcomponent to the file backend. We only store the objects - * of the types we support; all others just remain in the toplevel component so - * that we don't lose them. - */ -static void -add_component (CalBackendFile *cbfile, CalComponent *comp, gboolean add_to_toplevel) -{ - CalBackendFilePrivate *priv; - GList **list; - const char *uid; - - priv = cbfile->priv; - - switch (cal_component_get_vtype (comp)) { - case CAL_COMPONENT_EVENT: - list = &priv->events; - break; - - case CAL_COMPONENT_TODO: - list = &priv->todos; - break; - - case CAL_COMPONENT_JOURNAL: - list = &priv->journals; - break; - - default: - g_assert_not_reached (); - return; - } - - /* Ensure that the UID is unique; some broken implementations spit - * components with duplicated UIDs. - */ - check_dup_uid (cbfile, comp); - cal_component_get_uid (comp, &uid); - g_hash_table_insert (priv->comp_uid_hash, (char *)uid, comp); - - *list = g_list_prepend (*list, comp); - - /* Put the object in the toplevel component if required */ - - if (add_to_toplevel) { - icalcomponent *icalcomp; - - icalcomp = cal_component_get_icalcomponent (comp); - g_assert (icalcomp != NULL); - - icalcomponent_add_component (priv->icalcomp, icalcomp); - } -} - -/* Removes a component from the backend's hash and lists. Does not perform - * notification on the clients. Also removes the component from the toplevel - * icalcomponent. - */ -static void -remove_component (CalBackendFile *cbfile, CalComponent *comp) -{ - CalBackendFilePrivate *priv; - icalcomponent *icalcomp; - const char *uid; - GList **list, *l; - - priv = cbfile->priv; - - /* Remove the icalcomp from the toplevel */ - - icalcomp = cal_component_get_icalcomponent (comp); - g_assert (icalcomp != NULL); - - icalcomponent_remove_component (priv->icalcomp, icalcomp); - - /* Remove it from our mapping */ - - cal_component_get_uid (comp, &uid); - g_hash_table_remove (priv->comp_uid_hash, uid); - - switch (cal_component_get_vtype (comp)) { - case CAL_COMPONENT_EVENT: - list = &priv->events; - break; - - case CAL_COMPONENT_TODO: - list = &priv->todos; - break; - - case CAL_COMPONENT_JOURNAL: - list = &priv->journals; - break; - - default: - /* Make the compiler shut up. */ - list = NULL; - g_assert_not_reached (); - } - - l = g_list_find (*list, comp); - g_assert (l != NULL); - - *list = g_list_remove_link (*list, l); - g_list_free_1 (l); - - gtk_object_unref (GTK_OBJECT (comp)); -} - -/* Scans the toplevel VCALENDAR component and stores the objects it finds */ -static void -scan_vcalendar (CalBackendFile *cbfile) -{ - CalBackendFilePrivate *priv; - icalcompiter iter; - - priv = cbfile->priv; - g_assert (priv->icalcomp != NULL); - g_assert (priv->comp_uid_hash != NULL); - - for (iter = icalcomponent_begin_component (priv->icalcomp, ICAL_ANY_COMPONENT); - icalcompiter_deref (&iter) != NULL; - icalcompiter_next (&iter)) { - icalcomponent *icalcomp; - icalcomponent_kind kind; - CalComponent *comp; - - icalcomp = icalcompiter_deref (&iter); - - kind = icalcomponent_isa (icalcomp); - - if (!(kind == ICAL_VEVENT_COMPONENT - || kind == ICAL_VTODO_COMPONENT - || kind == ICAL_VJOURNAL_COMPONENT)) - continue; - - comp = cal_component_new (); - - if (!cal_component_set_icalcomponent (comp, icalcomp)) - continue; - - add_component (cbfile, comp, FALSE); - } -} - -/* Callback used from icalparser_parse() */ -static char * -get_line_fn (char *s, size_t size, void *data) -{ - FILE *file; - - file = data; - return fgets (s, size, file); -} - -/* Parses an open iCalendar file and returns a toplevel component with the contents */ -static icalcomponent * -parse_file (FILE *file) -{ - icalparser *parser; - icalcomponent *icalcomp; - - parser = icalparser_new (); - icalparser_set_gen_data (parser, file); - - icalcomp = icalparser_parse (parser, get_line_fn); - icalparser_free (parser); - - return icalcomp; -} - -/* Parses an open iCalendar file and loads it into the backend */ -static CalBackendOpenStatus -open_cal (CalBackendFile *cbfile, GnomeVFSURI *uri, FILE *file) -{ - CalBackendFilePrivate *priv; - icalcomponent *icalcomp; - - priv = cbfile->priv; - - icalcomp = parse_file (file); - - if (fclose (file) != 0) { - if (icalcomp) - icalcomponent_free (icalcomp); - - return CAL_BACKEND_OPEN_ERROR; - } - - if (!icalcomp) - return CAL_BACKEND_OPEN_ERROR; - - /* FIXME: should we try to demangle XROOT components and - * individual components as well? - */ - - if (icalcomponent_isa (icalcomp) != ICAL_VCALENDAR_COMPONENT) { - icalcomponent_free (icalcomp); - return CAL_BACKEND_OPEN_ERROR; - } - - priv->icalcomp = icalcomp; - - priv->comp_uid_hash = g_hash_table_new (g_str_hash, g_str_equal); - scan_vcalendar (cbfile); - - gnome_vfs_uri_ref (uri); - priv->uri = uri; - - return CAL_BACKEND_OPEN_SUCCESS; -} - -static CalBackendOpenStatus -create_cal (CalBackendFile *cbfile, GnomeVFSURI *uri) -{ - CalBackendFilePrivate *priv; - icalproperty *prop; - - priv = cbfile->priv; - - /* Create the new calendar information */ - - priv->icalcomp = icalcomponent_new (ICAL_VCALENDAR_COMPONENT); - - /* RFC 2445, section 4.7.1 */ - prop = icalproperty_new_calscale ("GREGORIAN"); - icalcomponent_add_property (priv->icalcomp, prop); - - /* RFC 2445, section 4.7.3 */ - prop = icalproperty_new_prodid ("-//Ximian//NONSGML Evolution Calendar//EN"); - icalcomponent_add_property (priv->icalcomp, prop); - - /* RFC 2445, section 4.7.4. This is the iCalendar spec version, *NOT* - * the product version! Do not change this! - */ - prop = icalproperty_new_version ("2.0"); - icalcomponent_add_property (priv->icalcomp, prop); - - /* Create our internal data */ - - priv->comp_uid_hash = g_hash_table_new (g_str_hash, g_str_equal); - - gnome_vfs_uri_ref (uri); - priv->uri = uri; - - mark_dirty (cbfile); - - return CAL_BACKEND_OPEN_SUCCESS; -} - -/* Open handler for the file backend */ -static CalBackendOpenStatus -cal_backend_file_open (CalBackend *backend, GnomeVFSURI *uri, gboolean only_if_exists) -{ - CalBackendFile *cbfile; - CalBackendFilePrivate *priv; - char *str_uri; - FILE *file; - - cbfile = CAL_BACKEND_FILE (backend); - priv = cbfile->priv; - - g_return_val_if_fail (priv->icalcomp == NULL, CAL_BACKEND_OPEN_ERROR); - g_return_val_if_fail (uri != NULL, CAL_BACKEND_OPEN_ERROR); - - g_assert (priv->uri == NULL); - g_assert (priv->comp_uid_hash == NULL); - - if (!gnome_vfs_uri_is_local (uri)) - return CAL_BACKEND_OPEN_ERROR; - - str_uri = gnome_vfs_uri_to_string (uri, - (GNOME_VFS_URI_HIDE_USER_NAME - | GNOME_VFS_URI_HIDE_PASSWORD - | GNOME_VFS_URI_HIDE_HOST_NAME - | GNOME_VFS_URI_HIDE_HOST_PORT - | GNOME_VFS_URI_HIDE_TOPLEVEL_METHOD)); - - /* Load! */ - file = fopen (str_uri, "r"); - g_free (str_uri); - - if (file) - return open_cal (cbfile, uri, file); - else { - if (only_if_exists) - return CAL_BACKEND_OPEN_NOT_FOUND; - - return create_cal (cbfile, uri); - } -} - -/* is_loaded handler for the file backend */ -static gboolean -cal_backend_file_is_loaded (CalBackend *backend) -{ - CalBackendFile *cbfile; - CalBackendFilePrivate *priv; - - cbfile = CAL_BACKEND_FILE (backend); - priv = cbfile->priv; - - return (priv->icalcomp != NULL); -} - -/* Get_n_objects handler for the file backend */ -static int -cal_backend_file_get_n_objects (CalBackend *backend, CalObjType type) -{ - CalBackendFile *cbfile; - CalBackendFilePrivate *priv; - int n; - - cbfile = CAL_BACKEND_FILE (backend); - priv = cbfile->priv; - - g_return_val_if_fail (priv->icalcomp != NULL, -1); - - n = 0; - - if (type & CALOBJ_TYPE_EVENT) - n += g_list_length (priv->events); - - if (type & CALOBJ_TYPE_TODO) - n += g_list_length (priv->todos); - - if (type & CALOBJ_TYPE_JOURNAL) - n += g_list_length (priv->journals); - - return n; -} - -/* Get_object handler for the file backend */ -static char * -cal_backend_file_get_object (CalBackend *backend, const char *uid) -{ - CalBackendFile *cbfile; - CalBackendFilePrivate *priv; - CalComponent *comp; - - cbfile = CAL_BACKEND_FILE (backend); - priv = cbfile->priv; - - g_return_val_if_fail (uid != NULL, NULL); - - g_return_val_if_fail (priv->icalcomp != NULL, NULL); - g_assert (priv->comp_uid_hash != NULL); - - comp = lookup_component (cbfile, uid); - - if (!comp) - return NULL; - - return cal_component_get_as_string (comp); -} - -static CalObjType -cal_backend_file_get_type_by_uid (CalBackend *backend, const char *uid) -{ - CalBackendFile *cbfile; - CalBackendFilePrivate *priv; - CalComponent *comp; - CalComponentVType type; - - cbfile = CAL_BACKEND_FILE (backend); - priv = cbfile->priv; - - comp = lookup_component (cbfile, uid); - if (!comp) - return CAL_COMPONENT_NO_TYPE; - - type = cal_component_get_vtype (comp); - switch (type) { - case CAL_COMPONENT_EVENT: - return CALOBJ_TYPE_EVENT; - case CAL_COMPONENT_TODO: - return CALOBJ_TYPE_TODO; - case CAL_COMPONENT_JOURNAL: - return CALOBJ_TYPE_JOURNAL; - default: - return CAL_COMPONENT_NO_TYPE; - } -} - -/* Builds a list of UIDs from a list of CalComponent objects */ -static void -build_uids_list (GList **list, GList *components) -{ - GList *l; - - for (l = components; l; l = l->next) { - CalComponent *comp; - const char *uid; - - comp = CAL_COMPONENT (l->data); - cal_component_get_uid (comp, &uid); - *list = g_list_prepend (*list, g_strdup (uid)); - } -} - -/* Get_uids handler for the file backend */ -static GList * -cal_backend_file_get_uids (CalBackend *backend, CalObjType type) -{ - CalBackendFile *cbfile; - CalBackendFilePrivate *priv; - GList *list; - - cbfile = CAL_BACKEND_FILE (backend); - priv = cbfile->priv; - - g_return_val_if_fail (priv->icalcomp != NULL, NULL); - - list = NULL; - - if (type & CALOBJ_TYPE_EVENT) - build_uids_list (&list, priv->events); - - if (type & CALOBJ_TYPE_TODO) - build_uids_list (&list, priv->todos); - - if (type & CALOBJ_TYPE_JOURNAL) - build_uids_list (&list, priv->journals); - - return list; -} - -/* Callback used from cal_recur_generate_instances(); adds the component's UID - * to our hash table. - */ -static gboolean -add_instance (CalComponent *comp, time_t start, time_t end, gpointer data) -{ - GHashTable *uid_hash; - const char *uid; - const char *old_uid; - - uid_hash = data; - - /* We only care that the component's UID is listed in the hash table; - * that's why we only allow generation of one instance (i.e. return - * FALSE every time). - */ - - cal_component_get_uid (comp, &uid); - - old_uid = g_hash_table_lookup (uid_hash, uid); - if (old_uid) - return FALSE; - - g_hash_table_insert (uid_hash, (char *) uid, NULL); - return FALSE; -} - -/* Populates a hash table with the UIDs of the components that occur or recur - * within a specific time range. - */ -static void -get_instances_in_range (GHashTable *uid_hash, GList *components, time_t start, time_t end) -{ - GList *l; - - for (l = components; l; l = l->next) { - CalComponent *comp; - - comp = CAL_COMPONENT (l->data); - cal_recur_generate_instances (comp, start, end, add_instance, uid_hash); - } -} - -/* Used from g_hash_table_foreach(), adds a UID from the hash table to our list */ -static void -add_uid_to_list (gpointer key, gpointer value, gpointer data) -{ - GList **list; - const char *uid; - char *uid_copy; - - list = data; - - uid = key; - uid_copy = g_strdup (uid); - - *list = g_list_prepend (*list, uid_copy); -} - -/* Get_objects_in_range handler for the file backend */ -static GList * -cal_backend_file_get_objects_in_range (CalBackend *backend, CalObjType type, - time_t start, time_t end) -{ - CalBackendFile *cbfile; - CalBackendFilePrivate *priv; - GList *event_list; - GHashTable *uid_hash; - - cbfile = CAL_BACKEND_FILE (backend); - priv = cbfile->priv; - - g_return_val_if_fail (priv->icalcomp != NULL, NULL); - - g_return_val_if_fail (start != -1 && end != -1, NULL); - g_return_val_if_fail (start <= end, NULL); - - uid_hash = g_hash_table_new (g_str_hash, g_str_equal); - - if (type & CALOBJ_TYPE_EVENT) - get_instances_in_range (uid_hash, priv->events, start, end); - - if (type & CALOBJ_TYPE_TODO) - get_instances_in_range (uid_hash, priv->todos, start, end); - - if (type & CALOBJ_TYPE_JOURNAL) - get_instances_in_range (uid_hash, priv->journals, start, end); - - event_list = NULL; - g_hash_table_foreach (uid_hash, add_uid_to_list, &event_list); - g_hash_table_destroy (uid_hash); - - return event_list; -} - - -typedef struct -{ - CalBackend *backend; - GList *changes; - GList *change_ids; -} CalBackendFileComputeChangesData; - -static void -cal_backend_file_compute_changes_foreach_key (const char *key, gpointer data) -{ - CalBackendFileComputeChangesData *be_data = data; - char *calobj = cal_backend_get_object (be_data->backend, key); - - if (calobj == NULL) { - CalComponent *comp; - GNOME_Evolution_Calendar_CalObjChange *coc; - - comp = cal_component_new (); - cal_component_set_new_vtype (comp, CAL_COMPONENT_TODO); - cal_component_set_uid (comp, key); - - coc = GNOME_Evolution_Calendar_CalObjChange__alloc (); - coc->calobj = CORBA_string_dup (cal_component_get_as_string (comp)); - coc->type = GNOME_Evolution_Calendar_DELETED; - be_data->changes = g_list_prepend (be_data->changes, coc); - be_data->change_ids = g_list_prepend (be_data->change_ids, (gpointer) key); - } -} - -static GNOME_Evolution_Calendar_CalObjChangeSeq * -cal_backend_file_compute_changes (CalBackend *backend, CalObjType type, const char *change_id) -{ - char *filename; - EDbHash *ehash; - CalBackendFileComputeChangesData be_data; - GNOME_Evolution_Calendar_CalObjChangeSeq *seq; - GList *uids, *changes = NULL, *change_ids = NULL; - GList *i, *j; - int n; - - /* Find the changed ids - FIX ME, path should not be hard coded */ - if (type == GNOME_Evolution_Calendar_TYPE_TODO) - filename = g_strdup_printf ("%s/evolution/local/Tasks/%s.db", g_get_home_dir (), change_id); - else - filename = g_strdup_printf ("%s/evolution/local/Calendar/%s.db", g_get_home_dir (), change_id); - ehash = e_dbhash_new (filename); - g_free (filename); - - uids = cal_backend_get_uids (backend, type); - - /* Calculate adds and modifies */ - for (i = uids; i != NULL; i = i->next) { - GNOME_Evolution_Calendar_CalObjChange *coc; - char *uid = i->data; - char *calobj = cal_backend_get_object (backend, uid); - - g_assert (calobj != NULL); - - /* check what type of change has occurred, if any */ - switch (e_dbhash_compare (ehash, uid, calobj)) { - case E_DBHASH_STATUS_SAME: - break; - case E_DBHASH_STATUS_NOT_FOUND: - coc = GNOME_Evolution_Calendar_CalObjChange__alloc (); - coc->calobj = CORBA_string_dup (calobj); - coc->type = GNOME_Evolution_Calendar_ADDED; - changes = g_list_prepend (changes, coc); - change_ids = g_list_prepend (change_ids, uid); - break; - case E_DBHASH_STATUS_DIFFERENT: - coc = GNOME_Evolution_Calendar_CalObjChange__alloc (); - coc->calobj = CORBA_string_dup (calobj); - coc->type = GNOME_Evolution_Calendar_MODIFIED; - changes = g_list_prepend (changes, coc); - change_ids = g_list_prepend (change_ids, uid); - break; - } - } - - /* Calculate deletions */ - be_data.backend = backend; - be_data.changes = changes; - be_data.change_ids = change_ids; - e_dbhash_foreach_key (ehash, (EDbHashFunc)cal_backend_file_compute_changes_foreach_key, &be_data); - changes = be_data.changes; - change_ids = be_data.change_ids; - - /* Build the sequence and update the hash */ - n = g_list_length (changes); - - seq = GNOME_Evolution_Calendar_CalObjChangeSeq__alloc (); - seq->_length = n; - seq->_buffer = CORBA_sequence_GNOME_Evolution_Calendar_CalObjChange_allocbuf (n); - CORBA_sequence_set_release (seq, TRUE); - - for (i = changes, j = change_ids, n = 0; i != NULL; i = i->next, j = j->next, n++) { - GNOME_Evolution_Calendar_CalObjChange *coc = i->data; - GNOME_Evolution_Calendar_CalObjChange *seq_coc; - char *uid = j->data; - - /* sequence building */ - seq_coc = &seq->_buffer[n]; - seq_coc->calobj = CORBA_string_dup (coc->calobj); - seq_coc->type = coc->type; - - /* hash updating */ - if (coc->type == GNOME_Evolution_Calendar_ADDED - || coc->type == GNOME_Evolution_Calendar_MODIFIED) { - e_dbhash_add (ehash, uid, coc->calobj); - } else { - e_dbhash_remove (ehash, uid); - } - - CORBA_free (coc); - } - e_dbhash_write (ehash); - e_dbhash_destroy (ehash); - - cal_obj_uid_list_free (uids); - g_list_free (change_ids); - g_list_free (changes); - - return seq; -} - -/* Get_changes handler for the file backend */ -static GNOME_Evolution_Calendar_CalObjChangeSeq * -cal_backend_file_get_changes (CalBackend *backend, CalObjType type, const char *change_id) -{ - g_return_val_if_fail (backend != NULL, NULL); - g_return_val_if_fail (IS_CAL_BACKEND (backend), NULL); - - return cal_backend_file_compute_changes (backend, type, change_id); -} - -/* Computes the range of time in which recurrences should be generated for a - * component in order to compute alarm trigger times. - */ -static void -compute_alarm_range (CalComponent *comp, GList *alarm_uids, time_t start, time_t end, - time_t *alarm_start, time_t *alarm_end) -{ - GList *l; - - *alarm_start = start; - *alarm_end = end; - - for (l = alarm_uids; l; l = l->next) { - const char *auid; - CalComponentAlarm *alarm; - CalAlarmTrigger trigger; - struct icaldurationtype *dur; - time_t dur_time; - - auid = l->data; - alarm = cal_component_get_alarm (comp, auid); - g_assert (alarm != NULL); - - cal_component_alarm_get_trigger (alarm, &trigger); - cal_component_alarm_free (alarm); - - switch (trigger.type) { - case CAL_ALARM_TRIGGER_NONE: - case CAL_ALARM_TRIGGER_ABSOLUTE: - continue; - - case CAL_ALARM_TRIGGER_RELATIVE_START: - case CAL_ALARM_TRIGGER_RELATIVE_END: - dur = &trigger.u.rel_duration; - dur_time = icaldurationtype_as_int (*dur); - - if (dur->is_neg) - *alarm_end = MAX (*alarm_end, end + dur_time); - else - *alarm_start = MIN (*alarm_start, start - dur_time); - - break; - - default: - g_assert_not_reached (); - } - } - - g_assert (*alarm_start <= *alarm_end); -} - -/* Closure data to generate alarm occurrences */ -struct alarm_occurrence_data { - /* These are the info we have */ - GList *alarm_uids; - time_t start; - time_t end; - - /* This is what we compute */ - GSList *triggers; - int n_triggers; -}; - -/* Callback used from cal_recur_generate_instances(); generates triggers for all - * of a component's RELATIVE alarms. - */ -static gboolean -add_alarm_occurrences_cb (CalComponent *comp, time_t start, time_t end, gpointer data) -{ - struct alarm_occurrence_data *aod; - GList *l; - - aod = data; - - for (l = aod->alarm_uids; l; l = l->next) { - const char *auid; - CalComponentAlarm *alarm; - CalAlarmTrigger trigger; - struct icaldurationtype *dur; - time_t dur_time; - time_t occur_time, trigger_time; - CalAlarmInstance *instance; - - auid = l->data; - alarm = cal_component_get_alarm (comp, auid); - g_assert (alarm != NULL); - - cal_component_alarm_get_trigger (alarm, &trigger); - cal_component_alarm_free (alarm); - - if (trigger.type != CAL_ALARM_TRIGGER_RELATIVE_START - && trigger.type != CAL_ALARM_TRIGGER_RELATIVE_END) - continue; - - dur = &trigger.u.rel_duration; - dur_time = icaldurationtype_as_int (*dur); - - if (trigger.type == CAL_ALARM_TRIGGER_RELATIVE_START) - occur_time = start; - else - occur_time = end; - - if (dur->is_neg) - trigger_time = occur_time - dur_time; - else - trigger_time = occur_time + dur_time; - - if (trigger_time < aod->start || trigger_time >= aod->end) - continue; - - instance = g_new (CalAlarmInstance, 1); - instance->auid = auid; - instance->trigger = trigger_time; - instance->occur = occur_time; - - aod->triggers = g_slist_prepend (aod->triggers, instance); - aod->n_triggers++; - } - - return TRUE; -} - -/* Generates the absolute triggers for a component */ -static void -generate_absolute_triggers (CalComponent *comp, struct alarm_occurrence_data *aod) -{ - GList *l; - - for (l = aod->alarm_uids; l; l = l->next) { - const char *auid; - CalComponentAlarm *alarm; - CalAlarmTrigger trigger; - time_t abs_time; - CalAlarmInstance *instance; - - auid = l->data; - alarm = cal_component_get_alarm (comp, auid); - g_assert (alarm != NULL); - - cal_component_alarm_get_trigger (alarm, &trigger); - cal_component_alarm_free (alarm); - - if (trigger.type != CAL_ALARM_TRIGGER_ABSOLUTE) - continue; - - abs_time = icaltime_as_timet (trigger.u.abs_time); - - if (abs_time < aod->start || abs_time >= aod->end) - continue; - - instance = g_new (CalAlarmInstance, 1); - instance->auid = auid; - instance->trigger = abs_time; - instance->occur = abs_time; /* No particular occurrence, so just use the same time */ - - aod->triggers = g_slist_prepend (aod->triggers, instance); - aod->n_triggers++; - } -} - -/* Compares two alarm instances; called from g_slist_sort() */ -static gint -compare_alarm_instance (gconstpointer a, gconstpointer b) -{ - const CalAlarmInstance *aia, *aib; - - aia = a; - aib = b; - - if (aia->trigger < aib->trigger) - return -1; - else if (aia->trigger > aib->trigger) - return 1; - else - return 0; -} - -/* Generates alarm instances for a calendar component. Returns the instances - * structure, or NULL if no alarm instances occurred in the specified time - * range. - */ -static CalComponentAlarms * -generate_alarms_for_comp (CalComponent *comp, time_t start, time_t end) -{ - GList *alarm_uids; - time_t alarm_start, alarm_end; - struct alarm_occurrence_data aod; - CalComponentAlarms *alarms; - - if (!cal_component_has_alarms (comp)) - return NULL; - - alarm_uids = cal_component_get_alarm_uids (comp); - compute_alarm_range (comp, alarm_uids, start, end, &alarm_start, &alarm_end); - - aod.alarm_uids = alarm_uids; - aod.start = start; - aod.end = end; - aod.triggers = NULL; - aod.n_triggers = 0; - cal_recur_generate_instances (comp, alarm_start, alarm_end, add_alarm_occurrences_cb, &aod); - - /* We add the ABSOLUTE triggers separately */ - generate_absolute_triggers (comp, &aod); - - if (aod.n_triggers == 0) - return NULL; - - /* Create the component alarm instances structure */ - - alarms = g_new (CalComponentAlarms, 1); - alarms->comp = comp; - gtk_object_ref (GTK_OBJECT (alarms->comp)); - alarms->alarms = g_slist_sort (aod.triggers, compare_alarm_instance); - - return alarms; -} - -/* Iterates through all the components in the comps list and generates alarm - * instances for them; putting them in the comp_alarms list. Returns the number - * of elements it added to that list. - */ -static int -generate_alarms_for_list (GList *comps, time_t start, time_t end, GSList **comp_alarms) -{ - GList *l; - int n; - - n = 0; - - for (l = comps; l; l = l->next) { - CalComponent *comp; - CalComponentAlarms *alarms; - - comp = CAL_COMPONENT (l->data); - alarms = generate_alarms_for_comp (comp, start, end); - - if (alarms) { - *comp_alarms = g_slist_prepend (*comp_alarms, alarms); - n++; - } - } - - return n; -} - -/* Fills a CORBA sequence of alarm instances */ -static void -fill_alarm_instances_seq (GNOME_Evolution_Calendar_CalAlarmInstanceSeq *seq, GSList *alarms) -{ - int n_alarms; - GSList *l; - int i; - - n_alarms = g_slist_length (alarms); - - CORBA_sequence_set_release (seq, TRUE); - seq->_length = n_alarms; - seq->_buffer = CORBA_sequence_GNOME_Evolution_Calendar_CalAlarmInstance_allocbuf (n_alarms); - - for (l = alarms, i = 0; l; l = l->next, i++) { - CalAlarmInstance *instance; - GNOME_Evolution_Calendar_CalAlarmInstance *corba_instance; - - instance = l->data; - corba_instance = seq->_buffer + i; - - corba_instance->auid = CORBA_string_dup (instance->auid); - corba_instance->trigger = (long) instance->trigger; - corba_instance->occur = (long) instance->occur; - } -} - -/* Get_alarms_in_range handler for the file backend */ -static GNOME_Evolution_Calendar_CalComponentAlarmsSeq * -cal_backend_file_get_alarms_in_range (CalBackend *backend, time_t start, time_t end) -{ - CalBackendFile *cbfile; - CalBackendFilePrivate *priv; - int n_comp_alarms; - GSList *comp_alarms; - GSList *l; - int i; - GNOME_Evolution_Calendar_CalComponentAlarmsSeq *seq; - - cbfile = CAL_BACKEND_FILE (backend); - priv = cbfile->priv; - - g_return_val_if_fail (priv->icalcomp != NULL, NULL); - - g_return_val_if_fail (start != -1 && end != -1, NULL); - g_return_val_if_fail (start <= end, NULL); - - /* Per RFC 2445, only VEVENTs and VTODOs can have alarms */ - - n_comp_alarms = 0; - comp_alarms = NULL; - - n_comp_alarms += generate_alarms_for_list (priv->events, start, end, &comp_alarms); - n_comp_alarms += generate_alarms_for_list (priv->todos, start, end, &comp_alarms); - - seq = GNOME_Evolution_Calendar_CalComponentAlarmsSeq__alloc (); - CORBA_sequence_set_release (seq, TRUE); - seq->_length = n_comp_alarms; - seq->_buffer = CORBA_sequence_GNOME_Evolution_Calendar_CalComponentAlarms_allocbuf ( - n_comp_alarms); - - for (l = comp_alarms, i = 0; l; l = l->next, i++) { - CalComponentAlarms *alarms; - char *comp_str; - - alarms = l->data; - - comp_str = cal_component_get_as_string (alarms->comp); - seq->_buffer[i].calobj = CORBA_string_dup (comp_str); - g_free (comp_str); - - fill_alarm_instances_seq (&seq->_buffer[i].alarms, alarms->alarms); - - cal_component_alarms_free (alarms); - } - - g_slist_free (comp_alarms); - - return seq; -} - -/* Get_alarms_for_object handler for the file backend */ -static GNOME_Evolution_Calendar_CalComponentAlarms * -cal_backend_file_get_alarms_for_object (CalBackend *backend, const char *uid, - time_t start, time_t end, gboolean *object_found) -{ - CalBackendFile *cbfile; - CalBackendFilePrivate *priv; - CalComponent *comp; - char *comp_str; - GNOME_Evolution_Calendar_CalComponentAlarms *corba_alarms; - CalComponentAlarms *alarms; - - cbfile = CAL_BACKEND_FILE (backend); - priv = cbfile->priv; - - g_return_val_if_fail (priv->icalcomp != NULL, NULL); - - g_return_val_if_fail (uid != NULL, NULL); - g_return_val_if_fail (start != -1 && end != -1, NULL); - g_return_val_if_fail (start <= end, NULL); - g_return_val_if_fail (object_found != NULL, NULL); - - comp = lookup_component (cbfile, uid); - if (!comp) { - *object_found = FALSE; - return NULL; - } - - *object_found = TRUE; - - comp_str = cal_component_get_as_string (comp); - corba_alarms = GNOME_Evolution_Calendar_CalComponentAlarms__alloc (); - - corba_alarms->calobj = CORBA_string_dup (comp_str); - g_free (comp_str); - - alarms = generate_alarms_for_comp (comp, start, end); - if (alarms) { - fill_alarm_instances_seq (&corba_alarms->alarms, alarms->alarms); - cal_component_alarms_free (alarms); - } else - fill_alarm_instances_seq (&corba_alarms->alarms, NULL); - - return corba_alarms; -} - -/* Notifies a backend's clients that an object was updated */ -static void -notify_update (CalBackendFile *cbfile, const char *uid) -{ - CalBackendFilePrivate *priv; - GList *l; - - priv = cbfile->priv; - - cal_backend_obj_updated (CAL_BACKEND (cbfile), uid); - - for (l = priv->clients; l; l = l->next) { - Cal *cal; - - cal = CAL (l->data); - cal_notify_update (cal, uid); - } -} - -/* Notifies a backend's clients that an object was removed */ -static void -notify_remove (CalBackendFile *cbfile, const char *uid) -{ - CalBackendFilePrivate *priv; - GList *l; - - priv = cbfile->priv; - - cal_backend_obj_removed (CAL_BACKEND (cbfile), uid); - - for (l = priv->clients; l; l = l->next) { - Cal *cal; - - cal = CAL (l->data); - cal_notify_remove (cal, uid); - } -} - -/* Update_object handler for the file backend */ -static gboolean -cal_backend_file_update_object (CalBackend *backend, const char *uid, const char *calobj) -{ - CalBackendFile *cbfile; - CalBackendFilePrivate *priv; - icalcomponent *icalcomp; - icalcomponent_kind kind; - CalComponent *old_comp; - CalComponent *comp; - const char *comp_uid; - - cbfile = CAL_BACKEND_FILE (backend); - priv = cbfile->priv; - - g_return_val_if_fail (priv->icalcomp != NULL, FALSE); - - g_return_val_if_fail (uid != NULL, FALSE); - g_return_val_if_fail (calobj != NULL, FALSE); - - /* Pull the component from the string and ensure that it is sane */ - - icalcomp = icalparser_parse_string ((char *) calobj); - - if (!icalcomp) - return FALSE; - - kind = icalcomponent_isa (icalcomp); - - if (!(kind == ICAL_VEVENT_COMPONENT - || kind == ICAL_VTODO_COMPONENT - || kind == ICAL_VJOURNAL_COMPONENT)) { - /* We don't support this type of component */ - icalcomponent_free (icalcomp); - return FALSE; - } - - comp = cal_component_new (); - if (!cal_component_set_icalcomponent (comp, icalcomp)) { - gtk_object_unref (GTK_OBJECT (comp)); - icalcomponent_free (icalcomp); - return FALSE; - } - - /* Check the UID for sanity's sake */ - - cal_component_get_uid (comp, &comp_uid); - - if (strcmp (uid, comp_uid) != 0) { - gtk_object_unref (GTK_OBJECT (comp)); - return FALSE; - } - - /* Update the component */ - - old_comp = lookup_component (cbfile, uid); - - if (old_comp) - remove_component (cbfile, old_comp); - - add_component (cbfile, comp, TRUE); - - mark_dirty (cbfile); - - /* FIXME: do the notification asynchronously */ - notify_update (cbfile, comp_uid); - - return TRUE; -} - -/* Remove_object handler for the file backend */ -static gboolean -cal_backend_file_remove_object (CalBackend *backend, const char *uid) -{ - CalBackendFile *cbfile; - CalBackendFilePrivate *priv; - CalComponent *comp; - - cbfile = CAL_BACKEND_FILE (backend); - priv = cbfile->priv; - - g_return_val_if_fail (priv->icalcomp != NULL, FALSE); - - g_return_val_if_fail (uid != NULL, FALSE); - - comp = lookup_component (cbfile, uid); - if (!comp) - return FALSE; - - remove_component (cbfile, comp); - mark_dirty (cbfile); - - /* FIXME: do the notification asynchronously */ - notify_remove (cbfile, uid); - - return TRUE; -} - diff --git a/calendar/pcs/cal-backend-file.h b/calendar/pcs/cal-backend-file.h deleted file mode 100644 index a85c6d20fd..0000000000 --- a/calendar/pcs/cal-backend-file.h +++ /dev/null @@ -1,63 +0,0 @@ -/* Evolution calendar - iCalendar file backend - * - * Copyright (C) 2000 Helix Code, 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. - */ - -#ifndef CAL_BACKEND_FILE_H -#define CAL_BACKEND_FILE_H - -#include <libgnome/gnome-defs.h> -#include "cal-backend.h" - -BEGIN_GNOME_DECLS - - - -#define CAL_BACKEND_FILE_TYPE (cal_backend_file_get_type ()) -#define CAL_BACKEND_FILE(obj) (GTK_CHECK_CAST ((obj), CAL_BACKEND_FILE_TYPE, \ - CalBackendFile)) -#define CAL_BACKEND_FILE_CLASS(klass) (GTK_CHECK_CLASS_CAST ((klass), CAL_BACKEND_FILE_TYPE, \ - CalBackendFileClass)) -#define IS_CAL_BACKEND_FILE(obj) (GTK_CHECK_TYPE ((obj), CAL_BACKEND_FILE_TYPE)) -#define IS_CAL_BACKEND_FILE_CLASS(klass) (GTK_CHECK_CLASS_TYPE ((klass), CAL_BACKEND_FILE_TYPE)) - -typedef struct _CalBackendFile CalBackendFile; -typedef struct _CalBackendFileClass CalBackendFileClass; - -typedef struct _CalBackendFilePrivate CalBackendFilePrivate; - -struct _CalBackendFile { - CalBackend backend; - - /* Private data */ - CalBackendFilePrivate *priv; -}; - -struct _CalBackendFileClass { - CalBackendClass parent_class; -}; - -GtkType cal_backend_file_get_type (void); - - - -END_GNOME_DECLS - -#endif diff --git a/calendar/pcs/cal-backend.c b/calendar/pcs/cal-backend.c deleted file mode 100644 index 350e6468e4..0000000000 --- a/calendar/pcs/cal-backend.c +++ /dev/null @@ -1,542 +0,0 @@ -/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */ -/* Evolution calendar - generic backend class - * - * Copyright (C) 2000 Helix Code, Inc. - * Copyright (C) 2000 Ximian, Inc. - * - * Authors: Federico Mena-Quintero <federico@ximian.com> - * JP Rosevear <jpr@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 <gtk/gtkobject.h> -#include <gtk/gtksignal.h> -#include <gnome-xml/parser.h> -#include <gnome-xml/parserInternals.h> -#include <gnome-xml/xmlmemory.h> - -#include "cal-backend.h" -#include "libversit/vcc.h" - - - -/* Signal IDs */ -enum { - LAST_CLIENT_GONE, - OPENED, - OBJ_UPDATED, - OBJ_REMOVED, - LAST_SIGNAL -}; - -static void cal_backend_class_init (CalBackendClass *class); - -static guint cal_backend_signals[LAST_SIGNAL]; - -#define CLASS(backend) (CAL_BACKEND_CLASS (GTK_OBJECT (backend)->klass)) - - - -/** - * cal_backend_get_type: - * @void: - * - * Registers the #CalBackend class if necessary, and returns the type ID - * associated to it. - * - * Return value: The type ID of the #CalBackend class. - **/ -GtkType -cal_backend_get_type (void) -{ - static GtkType cal_backend_type = 0; - - if (!cal_backend_type) { - static const GtkTypeInfo cal_backend_info = { - "CalBackend", - sizeof (CalBackend), - sizeof (CalBackendClass), - (GtkClassInitFunc) cal_backend_class_init, - (GtkObjectInitFunc) NULL, - NULL, /* reserved_1 */ - NULL, /* reserved_2 */ - (GtkClassInitFunc) NULL - }; - - cal_backend_type = - gtk_type_unique (GTK_TYPE_OBJECT, &cal_backend_info); - } - - return cal_backend_type; -} - -/* Class initialization function for the calendar backend */ -static void -cal_backend_class_init (CalBackendClass *class) -{ - GtkObjectClass *object_class; - - object_class = (GtkObjectClass *) class; - - cal_backend_signals[LAST_CLIENT_GONE] = - gtk_signal_new ("last_client_gone", - GTK_RUN_FIRST, - object_class->type, - GTK_SIGNAL_OFFSET (CalBackendClass, last_client_gone), - gtk_marshal_NONE__NONE, - GTK_TYPE_NONE, 0); - cal_backend_signals[OPENED] = - gtk_signal_new ("opened", - GTK_RUN_FIRST, - object_class->type, - GTK_SIGNAL_OFFSET (CalBackendClass, opened), - gtk_marshal_NONE__ENUM, - GTK_TYPE_NONE, 1, - GTK_TYPE_ENUM); - cal_backend_signals[OBJ_UPDATED] = - gtk_signal_new ("obj_updated", - GTK_RUN_FIRST, - object_class->type, - GTK_SIGNAL_OFFSET (CalBackendClass, obj_updated), - gtk_marshal_NONE__STRING, - GTK_TYPE_NONE, 1, - GTK_TYPE_STRING); - cal_backend_signals[OBJ_REMOVED] = - gtk_signal_new ("obj_removed", - GTK_RUN_FIRST, - object_class->type, - GTK_SIGNAL_OFFSET (CalBackendClass, obj_removed), - gtk_marshal_NONE__STRING, - GTK_TYPE_NONE, 1, - GTK_TYPE_STRING); - - gtk_object_class_add_signals (object_class, cal_backend_signals, LAST_SIGNAL); - - class->last_client_gone = NULL; - class->opened = NULL; - class->obj_updated = NULL; - class->obj_removed = NULL; - - class->get_uri = NULL; - class->add_cal = NULL; - class->open = NULL; - class->get_n_objects = NULL; - class->get_object = NULL; - class->get_type_by_uid = NULL; - class->get_uids = NULL; - class->get_objects_in_range = NULL; - class->get_changes = NULL; - class->get_alarms_in_range = NULL; - class->get_alarms_for_object = NULL; - class->update_object = NULL; - class->remove_object = NULL; -} - - - -/** - * cal_backend_get_uri: - * @backend: A calendar backend. - * - * Queries the URI of a calendar backend, which must already have an open - * calendar. - * - * Return value: The URI where the calendar is stored. - **/ -GnomeVFSURI * -cal_backend_get_uri (CalBackend *backend) -{ - g_return_val_if_fail (backend != NULL, NULL); - g_return_val_if_fail (IS_CAL_BACKEND (backend), NULL); - - g_assert (CLASS (backend)->get_uri != NULL); - return (* CLASS (backend)->get_uri) (backend); -} - -/** - * cal_backend_add_cal: - * @backend: A calendar backend. - * @cal: A calendar client interface object. - * - * Adds a calendar client interface object to a calendar @backend. - * The calendar backend must already have an open calendar. - **/ -void -cal_backend_add_cal (CalBackend *backend, Cal *cal) -{ - g_return_if_fail (backend != NULL); - g_return_if_fail (IS_CAL_BACKEND (backend)); - - g_assert (CLASS (backend)->add_cal != NULL); - (* CLASS (backend)->add_cal) (backend, cal); -} - -/** - * cal_backend_open: - * @backend: A calendar backend. - * @uri: URI that contains the calendar data. - * @only_if_exists: Whether the calendar should be opened only if it already - * exists. If FALSE, a new calendar will be created when the specified @uri - * does not exist. - * - * Opens a calendar backend with data from a calendar stored at the specified - * URI. - * - * Return value: An operation status code. - **/ -CalBackendOpenStatus -cal_backend_open (CalBackend *backend, GnomeVFSURI *uri, gboolean only_if_exists) -{ - CalBackendOpenStatus result; - - g_return_val_if_fail (backend != NULL, CAL_BACKEND_OPEN_ERROR); - g_return_val_if_fail (IS_CAL_BACKEND (backend), CAL_BACKEND_OPEN_ERROR); - g_return_val_if_fail (uri != NULL, CAL_BACKEND_OPEN_ERROR); - - g_assert (CLASS (backend)->open != NULL); - result = (* CLASS (backend)->open) (backend, uri, only_if_exists); - - return result; -} - -/** - * cal_backend_is_loaded: - * @backend: A calendar backend. - * - * Queries whether a calendar backend has been loaded yet. - * - * Return value: TRUE if the backend has been loaded with data, FALSE otherwise. - **/ -gboolean -cal_backend_is_loaded (CalBackend *backend) -{ - gboolean result; - - g_return_val_if_fail (backend != NULL, FALSE); - g_return_val_if_fail (IS_CAL_BACKEND (backend), FALSE); - - g_assert (CLASS (backend)->is_loaded != NULL); - result = (* CLASS (backend)->is_loaded) (backend); - - return result; -} - -/** - * cal_backend_get_n_objects: - * @backend: A calendar backend. - * @type: Types of objects that will be included in the count. - * - * Queries the number of calendar objects of a particular type. - * - * Return value: Number of objects of the specified @type. - **/ -int -cal_backend_get_n_objects (CalBackend *backend, CalObjType type) -{ - g_return_val_if_fail (backend != NULL, -1); - g_return_val_if_fail (IS_CAL_BACKEND (backend), -1); - - g_assert (CLASS (backend)->get_n_objects != NULL); - return (* CLASS (backend)->get_n_objects) (backend, type); -} - -/** - * cal_backend_get_object: - * @backend: A calendar backend. - * @uid: Unique identifier for a calendar object. - * - * Queries a calendar backend for a calendar object based on its unique - * identifier. - * - * Return value: The string representation of a complete calendar wrapping the - * the sought object, or NULL if no object had the specified UID. A complete - * calendar is returned because you also need the timezone data. - **/ -char * -cal_backend_get_object (CalBackend *backend, const char *uid) -{ - g_return_val_if_fail (backend != NULL, NULL); - g_return_val_if_fail (IS_CAL_BACKEND (backend), NULL); - g_return_val_if_fail (uid != NULL, NULL); - - g_assert (CLASS (backend)->get_object != NULL); - return (* CLASS (backend)->get_object) (backend, uid); -} - -/** - * cal_backend_get_uids: - * @backend: A calendar backend. - * @type: Bitmask with types of objects to return. - * - * Builds a list of unique identifiers corresponding to calendar objects whose - * type matches one of the types specified in the @type flags. - * - * Return value: A list of strings that are the sought UIDs. The list should be - * freed using the cal_obj_uid_list_free() function. - **/ -GList * -cal_backend_get_uids (CalBackend *backend, CalObjType type) -{ - g_return_val_if_fail (backend != NULL, NULL); - g_return_val_if_fail (IS_CAL_BACKEND (backend), NULL); - - g_assert (CLASS (backend)->get_uids != NULL); - return (* CLASS (backend)->get_uids) (backend, type); -} - - -/** - * cal_backend_get_objects_in_range: - * @backend: A calendar backend. - * @type: Bitmask with types of objects to return. - * @start: Start time for query. - * @end: End time for query. - * - * Builds a list of unique identifiers corresponding to calendar objects of the - * specified type that occur or recur within the specified time range. - * - * Return value: A list of UID strings. The list should be freed using the - * cal_obj_uid_list_free() function. - **/ -GList * -cal_backend_get_objects_in_range (CalBackend *backend, CalObjType type, - time_t start, time_t end) -{ - g_return_val_if_fail (backend != NULL, NULL); - g_return_val_if_fail (IS_CAL_BACKEND (backend), NULL); - g_return_val_if_fail (start != -1 && end != -1, NULL); - g_return_val_if_fail (start <= end, NULL); - - g_assert (CLASS (backend)->get_objects_in_range != NULL); - return (* CLASS (backend)->get_objects_in_range) (backend, type, start, end); -} - -/** - * cal_backend_get_changes: - * @backend: A calendar backend - * @type: Bitmask with types of objects to return. - * @change_id: A unique uid for the callers change list - * - * Builds a sequence of objects and the type of change that occurred on them since - * the last time the give change_id was seen - * - * Return value: A list of the objects that changed and the type of change - **/ -GNOME_Evolution_Calendar_CalObjChangeSeq * -cal_backend_get_changes (CalBackend *backend, CalObjType type, const char *change_id) -{ - g_return_val_if_fail (backend != NULL, NULL); - g_return_val_if_fail (IS_CAL_BACKEND (backend), NULL); - g_return_val_if_fail (change_id != NULL, NULL); - - g_assert (CLASS (backend)->get_changes != NULL); - return (* CLASS (backend)->get_changes) (backend, type, change_id); -} - -/** - * cal_backend_get_alarms_in_range: - * @backend: A calendar backend. - * @start: Start time for query. - * @end: End time for query. - * @valid_range: Return value that says whether the range is valid or not. - * - * Builds a sorted list of the alarms that trigger in the specified time range. - * - * Return value: A sequence of component alarm instances structures, or NULL - * if @valid_range returns FALSE. - **/ -GNOME_Evolution_Calendar_CalComponentAlarmsSeq * -cal_backend_get_alarms_in_range (CalBackend *backend, time_t start, time_t end, gboolean *valid_range) -{ - g_return_val_if_fail (backend != NULL, NULL); - g_return_val_if_fail (IS_CAL_BACKEND (backend), NULL); - g_return_val_if_fail (valid_range != NULL, NULL); - - g_assert (CLASS (backend)->get_alarms_in_range != NULL); - - if (!(start != -1 && end != -1 && start <= end)) { - *valid_range = FALSE; - return NULL; - } else { - *valid_range = TRUE; - return (* CLASS (backend)->get_alarms_in_range) (backend, start, end); - } -} - -/** - * cal_backend_get_alarms_for_object: - * @backend: A calendar backend. - * @uid: Unique identifier for a calendar object. - * @start: Start time for query. - * @end: End time for query. - * @result: Return value for the result code for the operation. - * - * Builds a sorted list of the alarms of the specified event that trigger in a - * particular time range. - * - * Return value: A structure of the component's alarm instances, or NULL if @result - * returns something other than #CAL_BACKEND_GET_ALARMS_SUCCESS. - **/ -GNOME_Evolution_Calendar_CalComponentAlarms * -cal_backend_get_alarms_for_object (CalBackend *backend, const char *uid, - time_t start, time_t end, - CalBackendGetAlarmsForObjectResult *result) -{ - g_return_val_if_fail (backend != NULL, NULL); - g_return_val_if_fail (IS_CAL_BACKEND (backend), NULL); - g_return_val_if_fail (uid != NULL, NULL); - g_return_val_if_fail (result != NULL, NULL); - - g_assert (CLASS (backend)->get_alarms_for_object != NULL); - - if (!(start != -1 && end != -1 && start <= end)) { - *result = CAL_BACKEND_GET_ALARMS_INVALID_RANGE; - return NULL; - } else { - gboolean object_found; - GNOME_Evolution_Calendar_CalComponentAlarms *alarms; - - alarms = (* CLASS (backend)->get_alarms_for_object) (backend, uid, start, end, - &object_found); - - if (object_found) - *result = CAL_BACKEND_GET_ALARMS_SUCCESS; - else - *result = CAL_BACKEND_GET_ALARMS_NOT_FOUND; - - return alarms; - } -} - -/** - * cal_backend_update_object: - * @backend: A calendar backend. - * @uid: Unique identifier of the object to update. - * @calobj: String representation of the new calendar object. - * - * Updates an object in a calendar backend. It will replace any existing - * object that has the same UID as the specified one. The backend will in - * turn notify all of its clients about the change. - * - * Return value: TRUE on success, FALSE on being passed an invalid object or one - * with an unsupported type. - **/ -gboolean -cal_backend_update_object (CalBackend *backend, const char *uid, const char *calobj) -{ - g_return_val_if_fail (backend != NULL, FALSE); - g_return_val_if_fail (IS_CAL_BACKEND (backend), FALSE); - g_return_val_if_fail (uid != NULL, FALSE); - g_return_val_if_fail (calobj != NULL, FALSE); - - g_assert (CLASS (backend)->update_object != NULL); - return (* CLASS (backend)->update_object) (backend, uid, calobj); -} - -/** - * cal_backend_remove_object: - * @backend: A calendar backend. - * @uid: Unique identifier of the object to remove. - * - * Removes an object in a calendar backend. The backend will notify all of its - * clients about the change. - * - * Return value: TRUE on success, FALSE on being passed an UID for an object - * that does not exist in the backend. - **/ -gboolean -cal_backend_remove_object (CalBackend *backend, const char *uid) -{ - g_return_val_if_fail (backend != NULL, FALSE); - g_return_val_if_fail (IS_CAL_BACKEND (backend), FALSE); - g_return_val_if_fail (uid != NULL, FALSE); - - g_assert (CLASS (backend)->remove_object != NULL); - return (* CLASS (backend)->remove_object) (backend, uid); -} - -/** - * cal_backend_last_client_gone: - * @backend: A calendar backend. - * - * Emits the "last_client_gone" signal of a calendar backend. This function is - * to be used only by backend implementations. - **/ -void -cal_backend_last_client_gone (CalBackend *backend) -{ - g_return_if_fail (backend != NULL); - g_return_if_fail (IS_CAL_BACKEND (backend)); - - gtk_signal_emit (GTK_OBJECT (backend), cal_backend_signals[LAST_CLIENT_GONE]); -} - -/** - * cal_backend_opened: - * @backend: A calendar backend. - * @status: Open status code. - * - * Emits the "opened" signal of a calendar backend. This function is to be used - * only by backend implementations. - **/ -void -cal_backend_opened (CalBackend *backend, CalBackendOpenStatus status) -{ - g_return_if_fail (backend != NULL); - g_return_if_fail (IS_CAL_BACKEND (backend)); - - gtk_signal_emit (GTK_OBJECT (backend), cal_backend_signals[OPENED], - status); -} - -/** - * cal_backend_obj_updated: - * @backend: A calendar backend. - * @uid: Unique identifier of the component that was updated. - * - * Emits the "obj_updated" signal of a calendar backend. This function is to be - * used only by backend implementations. - **/ -void -cal_backend_obj_updated (CalBackend *backend, const char *uid) -{ - g_return_if_fail (backend != NULL); - g_return_if_fail (IS_CAL_BACKEND (backend)); - g_return_if_fail (uid != NULL); - - gtk_signal_emit (GTK_OBJECT (backend), cal_backend_signals[OBJ_UPDATED], - uid); -} - -/** - * cal_backend_obj_removed: - * @backend: A calendar backend. - * @uid: Unique identifier of the component that was removed. - * - * Emits the "obj_removed" signal of a calendar backend. This function is to be - * used only by backend implementations. - **/ -void -cal_backend_obj_removed (CalBackend *backend, const char *uid) -{ - g_return_if_fail (backend != NULL); - g_return_if_fail (IS_CAL_BACKEND (backend)); - g_return_if_fail (uid != NULL); - - gtk_signal_emit (GTK_OBJECT (backend), cal_backend_signals[OBJ_REMOVED], - uid); -} diff --git a/calendar/pcs/cal-backend.h b/calendar/pcs/cal-backend.h deleted file mode 100644 index dab06b21e8..0000000000 --- a/calendar/pcs/cal-backend.h +++ /dev/null @@ -1,153 +0,0 @@ -/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */ -/* Evolution calendar - generic backend class - * - * Copyright (C) 2000 Helix Code, 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. - */ - -#ifndef CAL_BACKEND_H -#define CAL_BACKEND_H - -#include <libgnome/gnome-defs.h> -#include <libgnomevfs/gnome-vfs.h> -#include <cal-util/cal-util.h> -#include <cal-util/cal-component.h> -#include "evolution-calendar.h" -#include "cal-common.h" -#include "cal.h" - -BEGIN_GNOME_DECLS - - - -#define CAL_BACKEND_TYPE (cal_backend_get_type ()) -#define CAL_BACKEND(obj) (GTK_CHECK_CAST ((obj), CAL_BACKEND_TYPE, CalBackend)) -#define CAL_BACKEND_CLASS(klass) (GTK_CHECK_CLASS_CAST ((klass), CAL_BACKEND_TYPE, \ - CalBackendClass)) -#define IS_CAL_BACKEND(obj) (GTK_CHECK_TYPE ((obj), CAL_BACKEND_TYPE)) -#define IS_CAL_BACKEND_CLASS(klass) (GTK_CHECK_CLASS_TYPE ((klass), CAL_BACKEND_TYPE)) - -/* Open status values */ -typedef enum { - CAL_BACKEND_OPEN_SUCCESS, /* Loading OK */ - CAL_BACKEND_OPEN_ERROR, /* We need better error reporting in libversit */ - CAL_BACKEND_OPEN_NOT_FOUND -} CalBackendOpenStatus; - -/* Result codes for ::get_alarms_in_range() */ -typedef enum { - CAL_BACKEND_GET_ALARMS_SUCCESS, - CAL_BACKEND_GET_ALARMS_NOT_FOUND, - CAL_BACKEND_GET_ALARMS_INVALID_RANGE -} CalBackendGetAlarmsForObjectResult; - -struct _CalBackend { - GtkObject object; -}; - -struct _CalBackendClass { - GtkObjectClass parent_class; - - /* Notification signals */ - void (* last_client_gone) (CalBackend *backend); - - void (* opened) (CalBackend *backend, CalBackendOpenStatus status); - void (* obj_updated) (CalBackend *backend, const char *uid); - void (* obj_removed) (CalBackend *backend, const char *uid); - - /* Virtual methods */ - GnomeVFSURI *(* get_uri) (CalBackend *backend); - void (* add_cal) (CalBackend *backend, Cal *cal); - - CalBackendOpenStatus (* open) (CalBackend *backend, GnomeVFSURI *uri, - gboolean only_if_exists); - - gboolean (* is_loaded) (CalBackend *backend); - - /* General object acquirement and information related virtual methods */ - int (* get_n_objects) (CalBackend *backend, CalObjType type); - char *(* get_object) (CalBackend *backend, const char *uid); - CalObjType(* get_type_by_uid) (CalBackend *backend, const char *uid); - GList *(* get_uids) (CalBackend *backend, CalObjType type); - - GList *(* get_objects_in_range) (CalBackend *backend, CalObjType type, - time_t start, time_t end); - - /* Change related virtual methods */ - GNOME_Evolution_Calendar_CalObjChangeSeq * (* get_changes) ( - CalBackend *backend, CalObjType type, const char *change_id); - - /* Alarm related virtual methods */ - GNOME_Evolution_Calendar_CalComponentAlarmsSeq *(* get_alarms_in_range) ( - CalBackend *backend, time_t start, time_t end); - GNOME_Evolution_Calendar_CalComponentAlarms *(* get_alarms_for_object) ( - CalBackend *backend, const char *uid, - time_t start, time_t end, gboolean *object_found); - - /* Object manipulation virtual methods */ - gboolean (* update_object) (CalBackend *backend, const char *uid, const char *calobj); - gboolean (* remove_object) (CalBackend *backend, const char *uid); -}; - -GtkType cal_backend_get_type (void); - -GnomeVFSURI *cal_backend_get_uri (CalBackend *backend); - -void cal_backend_add_cal (CalBackend *backend, Cal *cal); - -CalBackendOpenStatus cal_backend_open (CalBackend *backend, GnomeVFSURI *uri, - gboolean only_if_exists); - -gboolean cal_backend_is_loaded (CalBackend *backend); - -int cal_backend_get_n_objects (CalBackend *backend, CalObjType type); - -char *cal_backend_get_object (CalBackend *backend, const char *uid); - -GList *cal_backend_get_uids (CalBackend *backend, CalObjType type); - -GList *cal_backend_get_objects_in_range (CalBackend *backend, CalObjType type, - time_t start, time_t end); - -GNOME_Evolution_Calendar_CalObjChangeSeq * cal_backend_get_changes ( - CalBackend *backend, CalObjType type, const char *change_id); - -GNOME_Evolution_Calendar_CalComponentAlarmsSeq *cal_backend_get_alarms_in_range ( - CalBackend *backend, time_t start, time_t end, gboolean *valid_range); - -GNOME_Evolution_Calendar_CalComponentAlarms *cal_backend_get_alarms_for_object ( - CalBackend *backend, const char *uid, - time_t start, time_t end, - CalBackendGetAlarmsForObjectResult *result); - - -gboolean cal_backend_update_object (CalBackend *backend, const char *uid, const char *calobj); - -gboolean cal_backend_remove_object (CalBackend *backend, const char *uid); - -void cal_backend_last_client_gone (CalBackend *backend); -void cal_backend_opened (CalBackend *backend, CalBackendOpenStatus status); -void cal_backend_obj_updated (CalBackend *backend, const char *uid); -void cal_backend_obj_removed (CalBackend *backend, const char *uid); - - - -END_GNOME_DECLS - -#endif diff --git a/calendar/pcs/cal-common.h b/calendar/pcs/cal-common.h deleted file mode 100644 index 3454742ce8..0000000000 --- a/calendar/pcs/cal-common.h +++ /dev/null @@ -1,42 +0,0 @@ -/* Evolution calendar server - common declarations - * - * Copyright (C) 2000 Helix Code, 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. - */ - -#ifndef CAL_COMMON_H -#define CAL_COMMON_H - -#include <libgnome/gnome-defs.h> - -BEGIN_GNOME_DECLS - - - -typedef struct _CalBackend CalBackend; -typedef struct _CalBackendClass CalBackendClass; - -typedef struct _Cal Cal; -typedef struct _CalClass CalClass; - - - -END_GNOME_DECLS - -#endif diff --git a/calendar/pcs/cal-factory.c b/calendar/pcs/cal-factory.c deleted file mode 100644 index 2abbd0b6d1..0000000000 --- a/calendar/pcs/cal-factory.c +++ /dev/null @@ -1,652 +0,0 @@ -/* Evolution calendar factory - * - * Copyright (C) 2000 Helix Code, 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 (jd->uri); - 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); -} diff --git a/calendar/pcs/cal-factory.h b/calendar/pcs/cal-factory.h deleted file mode 100644 index 008fc2c36d..0000000000 --- a/calendar/pcs/cal-factory.h +++ /dev/null @@ -1,73 +0,0 @@ -/* Evolution calendar factory - * - * 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. - */ - -#ifndef CAL_FACTORY_H -#define CAL_FACTORY_H - -#include <libgnome/gnome-defs.h> -#include <bonobo/bonobo-xobject.h> - -#include "evolution-calendar.h" - -BEGIN_GNOME_DECLS - - - -#define CAL_FACTORY_TYPE (cal_factory_get_type ()) -#define CAL_FACTORY(obj) (GTK_CHECK_CAST ((obj), CAL_FACTORY_TYPE, CalFactory)) -#define CAL_FACTORY_CLASS(klass) (GTK_CHECK_CLASS_CAST ((klass), CAL_FACTORY_TYPE, \ - CalFactoryClass)) -#define IS_CAL_FACTORY(obj) (GTK_CHECK_TYPE ((obj), CAL_FACTORY_TYPE)) -#define IS_CAL_FACTORY_CLASS(klass) (GTK_CHECK_CLASS_TYPE ((klass), CAL_FACTORY_TYPE)) - -typedef struct _CalFactory CalFactory; -typedef struct _CalFactoryClass CalFactoryClass; - -typedef struct _CalFactoryPrivate CalFactoryPrivate; - -struct _CalFactory { - BonoboXObject object; - - /* Private data */ - CalFactoryPrivate *priv; -}; - -struct _CalFactoryClass { - BonoboXObjectClass parent_class; - - POA_GNOME_Evolution_Calendar_CalFactory__epv epv; - - /* Notification signals */ - void (* last_calendar_gone) (CalFactory *factory); -}; - -GtkType cal_factory_get_type (void); -CalFactory *cal_factory_new (void); - -gboolean cal_factory_oaf_register (CalFactory *factory); -void cal_factory_register_method (CalFactory *factory, - const char *method, - GtkType backend_type); -int cal_factory_get_n_backends (CalFactory *factory); - -END_GNOME_DECLS - -#endif diff --git a/calendar/pcs/cal.c b/calendar/pcs/cal.c deleted file mode 100644 index 6eb951133b..0000000000 --- a/calendar/pcs/cal.c +++ /dev/null @@ -1,587 +0,0 @@ -/* Evolution calendar client interface object - * - * Copyright (C) 2000 Helix Code, 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 "cal.h" -#include "query.h" - -#define PARENT_TYPE BONOBO_X_OBJECT_TYPE - -static BonoboXObjectClass *parent_class; - -/* Private part of the Cal structure */ -struct _CalPrivate { - /* Our backend */ - CalBackend *backend; - - /* Listener on the client we notify */ - GNOME_Evolution_Calendar_Listener listener; -}; - - -/* Cal::get_uri method */ -static CORBA_char * -impl_Cal_get_uri (PortableServer_Servant servant, - CORBA_Environment *ev) -{ - Cal *cal; - CalPrivate *priv; - GnomeVFSURI *uri; - char *str_uri; - CORBA_char *str_uri_copy; - - cal = CAL (bonobo_object_from_servant (servant)); - priv = cal->priv; - - uri = cal_backend_get_uri (priv->backend); - str_uri = gnome_vfs_uri_to_string (uri, GNOME_VFS_URI_HIDE_NONE); - str_uri_copy = CORBA_string_dup (str_uri); - g_free (str_uri); - - return str_uri_copy; -} - -/* Converts a calendar object type from its CORBA representation to our own - * representation. - */ -static CalObjType -uncorba_obj_type (GNOME_Evolution_Calendar_CalObjType type) -{ - return (((type & GNOME_Evolution_Calendar_TYPE_EVENT) ? CALOBJ_TYPE_EVENT : 0) - | ((type & GNOME_Evolution_Calendar_TYPE_TODO) ? CALOBJ_TYPE_TODO : 0) - | ((type & GNOME_Evolution_Calendar_TYPE_JOURNAL) ? CALOBJ_TYPE_JOURNAL : 0)); -} - -/* Cal::get_n_objects method */ -static CORBA_long -impl_Cal_get_n_objects (PortableServer_Servant servant, - GNOME_Evolution_Calendar_CalObjType type, - CORBA_Environment *ev) -{ - Cal *cal; - CalPrivate *priv; - int t; - int n; - - cal = CAL (bonobo_object_from_servant (servant)); - priv = cal->priv; - - t = uncorba_obj_type (type); - n = cal_backend_get_n_objects (priv->backend, t); - return n; -} - -/* Cal::get_object method */ -static GNOME_Evolution_Calendar_CalObj -impl_Cal_get_object (PortableServer_Servant servant, - const GNOME_Evolution_Calendar_CalObjUID uid, - CORBA_Environment *ev) -{ - Cal *cal; - CalPrivate *priv; - char *calobj; - - cal = CAL (bonobo_object_from_servant (servant)); - priv = cal->priv; - - calobj = cal_backend_get_object (priv->backend, uid); - - if (calobj) { - CORBA_char *calobj_copy; - - calobj_copy = CORBA_string_dup (calobj); - g_free (calobj); - return calobj_copy; - } else { - CORBA_exception_set (ev, CORBA_USER_EXCEPTION, - ex_GNOME_Evolution_Calendar_Cal_NotFound, - NULL); - return NULL; - } -} - -static GNOME_Evolution_Calendar_CalObjUIDSeq * -build_uid_seq (GList *uids) -{ - GNOME_Evolution_Calendar_CalObjUIDSeq *seq; - GList *l; - int n, i; - - n = g_list_length (uids); - - seq = GNOME_Evolution_Calendar_CalObjUIDSeq__alloc (); - CORBA_sequence_set_release (seq, TRUE); - seq->_length = n; - seq->_buffer = CORBA_sequence_GNOME_Evolution_Calendar_CalObjUID_allocbuf (n); - - /* Fill the sequence */ - - for (i = 0, l = uids; l; i++, l = l->next) { - char *uid; - - uid = l->data; - seq->_buffer[i] = CORBA_string_dup (uid); - } - - return seq; -} - -/* Cal::get_uids method */ -static GNOME_Evolution_Calendar_CalObjUIDSeq * -impl_Cal_get_uids (PortableServer_Servant servant, - GNOME_Evolution_Calendar_CalObjType type, - CORBA_Environment *ev) -{ - Cal *cal; - CalPrivate *priv; - GList *uids; - GNOME_Evolution_Calendar_CalObjUIDSeq *seq; - int t; - - cal = CAL (bonobo_object_from_servant (servant)); - priv = cal->priv; - - t = uncorba_obj_type (type); - - uids = cal_backend_get_uids (priv->backend, t); - seq = build_uid_seq (uids); - - cal_obj_uid_list_free (uids); - - return seq; -} - -/* Cal::get_changes method */ -static GNOME_Evolution_Calendar_CalObjChangeSeq * -impl_Cal_get_changes (PortableServer_Servant servant, - GNOME_Evolution_Calendar_CalObjType type, - const CORBA_char *change_id, - CORBA_Environment *ev) -{ - Cal *cal; - CalPrivate *priv; - int t; - - cal = CAL (bonobo_object_from_servant (servant)); - priv = cal->priv; - - t = uncorba_obj_type (type); - - return cal_backend_get_changes (priv->backend, t, change_id); -} - -/* Cal::get_objects_in_range method */ -static GNOME_Evolution_Calendar_CalObjUIDSeq * -impl_Cal_get_objects_in_range (PortableServer_Servant servant, - GNOME_Evolution_Calendar_CalObjType type, - GNOME_Evolution_Calendar_Time_t start, - GNOME_Evolution_Calendar_Time_t end, - CORBA_Environment *ev) -{ - Cal *cal; - CalPrivate *priv; - int t; - time_t t_start, t_end; - GNOME_Evolution_Calendar_CalObjUIDSeq *seq; - GList *uids; - - cal = CAL (bonobo_object_from_servant (servant)); - priv = cal->priv; - - t = uncorba_obj_type (type); - t_start = (time_t) start; - t_end = (time_t) end; - - if (t_start > t_end || t_start == -1 || t_end == -1) { - CORBA_exception_set (ev, CORBA_USER_EXCEPTION, - ex_GNOME_Evolution_Calendar_Cal_InvalidRange, - NULL); - return NULL; - } - - uids = cal_backend_get_objects_in_range (priv->backend, t, t_start, t_end); - seq = build_uid_seq (uids); - - cal_obj_uid_list_free (uids); - - return seq; -} - -/* Cal::get_alarms_in_range method */ -static GNOME_Evolution_Calendar_CalComponentAlarmsSeq * -impl_Cal_get_alarms_in_range (PortableServer_Servant servant, - GNOME_Evolution_Calendar_Time_t start, - GNOME_Evolution_Calendar_Time_t end, - CORBA_Environment *ev) -{ - Cal *cal; - CalPrivate *priv; - time_t t_start, t_end; - gboolean valid_range; - GNOME_Evolution_Calendar_CalComponentAlarmsSeq *seq; - - cal = CAL (bonobo_object_from_servant (servant)); - priv = cal->priv; - - t_start = (time_t) start; - t_end = (time_t) end; - - seq = cal_backend_get_alarms_in_range (priv->backend, t_start, t_end, &valid_range); - if (!valid_range) { - CORBA_exception_set (ev, CORBA_USER_EXCEPTION, - ex_GNOME_Evolution_Calendar_Cal_InvalidRange, - NULL); - return NULL; - } - - return seq; -} - -/* Cal::get_alarms_for_object method */ -static GNOME_Evolution_Calendar_CalComponentAlarms * -impl_Cal_get_alarms_for_object (PortableServer_Servant servant, - const GNOME_Evolution_Calendar_CalObjUID uid, - GNOME_Evolution_Calendar_Time_t start, - GNOME_Evolution_Calendar_Time_t end, - CORBA_Environment * ev) -{ - Cal *cal; - CalPrivate *priv; - time_t t_start, t_end; - GNOME_Evolution_Calendar_CalComponentAlarms *alarms; - CalBackendGetAlarmsForObjectResult result; - - cal = CAL (bonobo_object_from_servant (servant)); - priv = cal->priv; - - t_start = (time_t) start; - t_end = (time_t) end; - - alarms = cal_backend_get_alarms_for_object (priv->backend, uid, t_start, t_end, &result); - - switch (result) { - case CAL_BACKEND_GET_ALARMS_SUCCESS: - return alarms; - - case CAL_BACKEND_GET_ALARMS_NOT_FOUND: - CORBA_exception_set (ev, CORBA_USER_EXCEPTION, - ex_GNOME_Evolution_Calendar_Cal_NotFound, - NULL); - return NULL; - - case CAL_BACKEND_GET_ALARMS_INVALID_RANGE: - CORBA_exception_set (ev, CORBA_USER_EXCEPTION, - ex_GNOME_Evolution_Calendar_Cal_InvalidRange, - NULL); - return NULL; - - default: - g_assert_not_reached (); - return NULL; - } -} - -/* Cal::update_object method */ -static void -impl_Cal_update_object (PortableServer_Servant servant, - const GNOME_Evolution_Calendar_CalObjUID uid, - const GNOME_Evolution_Calendar_CalObj calobj, - CORBA_Environment *ev) -{ - Cal *cal; - CalPrivate *priv; - - cal = CAL (bonobo_object_from_servant (servant)); - priv = cal->priv; - - if (!cal_backend_update_object (priv->backend, uid, calobj)) - CORBA_exception_set (ev, CORBA_USER_EXCEPTION, - ex_GNOME_Evolution_Calendar_Cal_InvalidObject, - NULL); -} - -/* Cal::remove_object method */ -static void -impl_Cal_remove_object (PortableServer_Servant servant, - const GNOME_Evolution_Calendar_CalObjUID uid, - CORBA_Environment *ev) -{ - Cal *cal; - CalPrivate *priv; - - cal = CAL (bonobo_object_from_servant (servant)); - priv = cal->priv; - - if (!cal_backend_remove_object (priv->backend, uid)) - CORBA_exception_set (ev, CORBA_USER_EXCEPTION, - ex_GNOME_Evolution_Calendar_Cal_NotFound, - NULL); -} - -/* Cal::getQuery implementation */ -static GNOME_Evolution_Calendar_Query -impl_Cal_get_query (PortableServer_Servant servant, - const CORBA_char *sexp, - GNOME_Evolution_Calendar_QueryListener ql, - CORBA_Environment *ev) -{ - Cal *cal; - CalPrivate *priv; - Query *query; - CORBA_Environment ev2; - GNOME_Evolution_Calendar_Query query_copy; - - cal = CAL (bonobo_object_from_servant (servant)); - priv = cal->priv; - - query = query_new (priv->backend, ql, sexp); - if (!query) { - CORBA_exception_set (ev, CORBA_USER_EXCEPTION, - ex_GNOME_Evolution_Calendar_Cal_CouldNotCreate, - NULL); - return CORBA_OBJECT_NIL; - } - - CORBA_exception_init (&ev2); - query_copy = CORBA_Object_duplicate (BONOBO_OBJREF (query), &ev2); - if (ev2._major != CORBA_NO_EXCEPTION) { - CORBA_exception_free (&ev2); - g_message ("Cal_get_query(): Could not duplicate the query reference"); - CORBA_exception_set (ev, CORBA_USER_EXCEPTION, - ex_GNOME_Evolution_Calendar_Cal_CouldNotCreate, - NULL); - return CORBA_OBJECT_NIL; - } - - CORBA_exception_free (&ev2); - - return query_copy; -} - -/** - * cal_construct: - * @cal: A calendar client interface. - * @corba_cal: CORBA object for the calendar. - * @backend: Calendar backend that this @cal presents an interface to. - * @listener: Calendar listener for notification. - * - * Constructs a calendar client interface object by binding the corresponding - * CORBA object to it. The calendar interface is bound to the specified - * @backend, and will notify the @listener about changes to the calendar. - * - * Return value: The same object as the @cal argument. - **/ -Cal * -cal_construct (Cal *cal, - CalBackend *backend, - GNOME_Evolution_Calendar_Listener listener) -{ - CalPrivate *priv; - CORBA_Environment ev; - - g_return_val_if_fail (cal != NULL, NULL); - g_return_val_if_fail (IS_CAL (cal), NULL); - g_return_val_if_fail (backend != NULL, NULL); - g_return_val_if_fail (IS_CAL_BACKEND (backend), NULL); - - priv = cal->priv; - - CORBA_exception_init (&ev); - priv->listener = CORBA_Object_duplicate (listener, &ev); - if (ev._major != CORBA_NO_EXCEPTION) { - g_message ("cal_construct: could not duplicate the listener"); - priv->listener = CORBA_OBJECT_NIL; - CORBA_exception_free (&ev); - return NULL; - } - - CORBA_exception_free (&ev); - - priv->backend = backend; - - return cal; -} - -/** - * cal_new: - * @backend: A calendar backend. - * @listener: A calendar listener. - * - * Creates a new calendar client interface object and binds it to the specified - * @backend and @listener objects. - * - * Return value: A newly-created #Cal calendar client interface object, or NULL - * if its corresponding CORBA object could not be created. - **/ -Cal * -cal_new (CalBackend *backend, GNOME_Evolution_Calendar_Listener listener) -{ - Cal *cal, *retval; - - g_return_val_if_fail (backend != NULL, NULL); - g_return_val_if_fail (IS_CAL_BACKEND (backend), NULL); - - cal = CAL (gtk_type_new (CAL_TYPE)); - - retval = cal_construct (cal, backend, listener); - if (!retval) { - g_message ("cal_new(): could not construct the calendar client interface"); - bonobo_object_unref (BONOBO_OBJECT (cal)); - return NULL; - } - - return retval; -} - -/* Destroy handler for the calendar */ -static void -cal_destroy (GtkObject *object) -{ - Cal *cal; - CalPrivate *priv; - CORBA_Environment ev; - - g_return_if_fail (object != NULL); - g_return_if_fail (IS_CAL (object)); - - cal = CAL (object); - priv = cal->priv; - - priv->backend = NULL; - - CORBA_exception_init (&ev); - CORBA_Object_release (priv->listener, &ev); - if (ev._major != CORBA_NO_EXCEPTION) - g_message ("cal_destroy(): could not release the listener"); - - CORBA_exception_free (&ev); - - g_free (priv); - - if (GTK_OBJECT_CLASS (parent_class)->destroy) - (* GTK_OBJECT_CLASS (parent_class)->destroy) (object); -} - - - -/* Class initialization function for the calendar */ -static void -cal_class_init (CalClass *klass) -{ - GtkObjectClass *object_class = (GtkObjectClass *) klass; - POA_GNOME_Evolution_Calendar_Cal__epv *epv = &klass->epv; - - parent_class = gtk_type_class (BONOBO_OBJECT_TYPE); - - /* Class method overrides */ - object_class->destroy = cal_destroy; - - /* Epv methods */ - epv->_get_uri = impl_Cal_get_uri; - epv->countObjects = impl_Cal_get_n_objects; - epv->getObject = impl_Cal_get_object; - epv->getUIDs = impl_Cal_get_uids; - epv->getChanges = impl_Cal_get_changes; - epv->getObjectsInRange = impl_Cal_get_objects_in_range; - epv->getAlarmsInRange = impl_Cal_get_alarms_in_range; - epv->getAlarmsForObject = impl_Cal_get_alarms_for_object; - epv->updateObject = impl_Cal_update_object; - epv->removeObject = impl_Cal_remove_object; - epv->getQuery = impl_Cal_get_query; -} - - -/* Object initialization function for the calendar */ -static void -cal_init (Cal *cal) -{ - CalPrivate *priv; - - priv = g_new0 (CalPrivate, 1); - cal->priv = priv; - - priv->listener = CORBA_OBJECT_NIL; -} - -BONOBO_X_TYPE_FUNC_FULL (Cal, GNOME_Evolution_Calendar_Cal, PARENT_TYPE, cal); - -/** - * cal_notify_update: - * @cal: A calendar client interface. - * @uid: UID of object that was updated. - * - * Notifies a listener attached to a calendar client interface object about an - * update to a calendar object. - **/ -void -cal_notify_update (Cal *cal, const char *uid) -{ - CalPrivate *priv; - CORBA_Environment ev; - - g_return_if_fail (cal != NULL); - g_return_if_fail (IS_CAL (cal)); - g_return_if_fail (uid != NULL); - - priv = cal->priv; - g_return_if_fail (priv->listener != CORBA_OBJECT_NIL); - - CORBA_exception_init (&ev); - GNOME_Evolution_Calendar_Listener_notifyObjUpdated (priv->listener, (char *) uid, &ev); - - if (ev._major != CORBA_NO_EXCEPTION) - g_message ("cal_notify_update(): could not notify the listener " - "about an updated object"); - - CORBA_exception_free (&ev); -} - -/** - * cal_notify_remove: - * @cal: A calendar client interface. - * @uid: UID of object that was removed. - * - * Notifies a listener attached to a calendar client interface object about a - * calendar object that was removed. - **/ -void -cal_notify_remove (Cal *cal, const char *uid) -{ - CalPrivate *priv; - CORBA_Environment ev; - - g_return_if_fail (cal != NULL); - g_return_if_fail (IS_CAL (cal)); - g_return_if_fail (uid != NULL); - - priv = cal->priv; - g_return_if_fail (priv->listener != CORBA_OBJECT_NIL); - - CORBA_exception_init (&ev); - GNOME_Evolution_Calendar_Listener_notifyObjRemoved (priv->listener, (char *) uid, &ev); - - if (ev._major != CORBA_NO_EXCEPTION) - g_message ("cal_notify_remove(): could not notify the listener " - "about a removed object"); - - CORBA_exception_free (&ev); -} diff --git a/calendar/pcs/cal.h b/calendar/pcs/cal.h deleted file mode 100644 index f9880178b5..0000000000 --- a/calendar/pcs/cal.h +++ /dev/null @@ -1,71 +0,0 @@ -/* Evolution calendar client interface object - * - * Copyright (C) 2000 Helix Code, 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. - */ - -#ifndef CAL_H -#define CAL_H - -#include <libgnome/gnome-defs.h> -#include <bonobo/bonobo-xobject.h> -#include "calendar/pcs/evolution-calendar.h" -#include "cal-common.h" - -BEGIN_GNOME_DECLS - - - -#define CAL_TYPE (cal_get_type ()) -#define CAL(obj) (GTK_CHECK_CAST ((obj), CAL_TYPE, Cal)) -#define CAL_CLASS(klass) (GTK_CHECK_CLASS_CAST ((klass), CAL_TYPE, CalClass)) -#define IS_CAL(obj) (GTK_CHECK_TYPE ((obj), CAL_TYPE)) -#define IS_CAL_CLASS(klass) (GTK_CHECK_CLASS_TYPE ((klass), CAL_TYPE)) - -typedef struct _CalPrivate CalPrivate; - -struct _Cal { - BonoboXObject object; - - /* Private data */ - CalPrivate *priv; -}; - -struct _CalClass { - BonoboXObjectClass parent_class; - - POA_GNOME_Evolution_Calendar_Cal__epv epv; -}; - -GtkType cal_get_type (void); - -Cal *cal_construct (Cal *cal, - CalBackend *backend, - GNOME_Evolution_Calendar_Listener listener); - -Cal *cal_new (CalBackend *backend, GNOME_Evolution_Calendar_Listener listener); - -void cal_notify_update (Cal *cal, const char *uid); -void cal_notify_remove (Cal *cal, const char *uid); - - - -END_GNOME_DECLS - -#endif diff --git a/calendar/pcs/job.c b/calendar/pcs/job.c deleted file mode 100644 index f8223f0bab..0000000000 --- a/calendar/pcs/job.c +++ /dev/null @@ -1,99 +0,0 @@ -/* GNOME personal calendar server - job manager - * - * Copyright (C) 2000 Helix Code, 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 "job.h" - - - -/* The job list */ - -typedef struct { - JobFunc func; - gpointer data; -} Job; - -static GSList *jobs_head; -static GSList *jobs_tail; - -static guint jobs_idle_id; - - - -/* Runs a job and dequeues it */ -static gboolean -run_job (gpointer data) -{ - Job *job; - GSList *l; - - g_assert (jobs_head != NULL); - - job = jobs_head->data; - (* job->func) (job->data); - g_free (job); - - l = jobs_head; - jobs_head = g_slist_remove_link (jobs_head, jobs_head); - g_slist_free_1 (l); - - if (!jobs_head) { - jobs_tail = NULL; - jobs_idle_id = 0; - return FALSE; - } else - return TRUE; -} - -/** - * job_add: - * @func: Function to run the job. - * @data: Data to pass to @function. - * - * Adds a job to the queue. The job will automatically be run asynchronously. - **/ -void -job_add (JobFunc func, gpointer data) -{ - Job *job; - - g_return_if_fail (func != NULL); - - job = g_new (Job, 1); - job->func = func; - job->data = data; - - if (!jobs_head) { - g_assert (jobs_tail == NULL); - g_assert (jobs_idle_id == 0); - - jobs_head = g_slist_append (NULL, job); - jobs_tail = jobs_head; - - jobs_idle_id = g_idle_add (run_job, NULL); - } else { - g_assert (jobs_tail != NULL); - g_assert (jobs_idle_id != 0); - - jobs_tail = g_slist_append (jobs_tail, job)->next; - } -} diff --git a/calendar/pcs/job.h b/calendar/pcs/job.h deleted file mode 100644 index f9a0d86923..0000000000 --- a/calendar/pcs/job.h +++ /dev/null @@ -1,36 +0,0 @@ -/* GNOME personal calendar server - job manager - * - * Copyright (C) 2000 Helix Code, 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. - */ - -#ifndef JOB_H -#define JOB_H - -#include <glib.h> - - - -typedef void (* JobFunc) (gpointer data); - -void job_add (JobFunc func, gpointer data); - - - -#endif diff --git a/calendar/pcs/query.c b/calendar/pcs/query.c deleted file mode 100644 index ed391ee667..0000000000 --- a/calendar/pcs/query.c +++ /dev/null @@ -1,1215 +0,0 @@ -/* Evolution calendar - Live search query implementation - * - * Copyright (C) 2001 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. - */ - -#ifdef HAVE_CONFIG_H -#include <config.h> -#endif - -#include <string.h> -#include <glib.h> -#include <libgnome/gnome-defs.h> -#include <libgnome/gnome-i18n.h> -#include <gtk/gtksignal.h> -#include <gal/widgets/e-unicode.h> -#include <e-util/e-sexp.h> -#include <cal-util/cal-recur.h> -#include <cal-util/timeutil.h> -#include "query.h" - - - -/* Private part of the Query structure */ -struct _QueryPrivate { - /* The backend we are monitoring */ - CalBackend *backend; - - /* Listener to which we report changes in the live query */ - GNOME_Evolution_Calendar_QueryListener ql; - - /* Sexp that defines the query */ - char *sexp; - ESExp *esexp; - - /* Idle handler ID for asynchronous queries */ - guint idle_id; - - /* List of UIDs that we still have to process */ - GList *pending_uids; - int n_pending; - int pending_total; - - /* Table of the UIDs we know do match the query */ - GHashTable *uids; - - /* The next component that will be handled in e_sexp_eval(); put here - * just because the query object itself is the esexp context. - */ - CalComponent *next_comp; -}; - - - -static void query_class_init (QueryClass *class); -static void query_init (Query *query); -static void query_destroy (GtkObject *object); - -static BonoboXObjectClass *parent_class; - - - -BONOBO_X_TYPE_FUNC_FULL (Query, - GNOME_Evolution_Calendar_Query, - BONOBO_X_OBJECT_TYPE, - query); - -/* Class initialization function for the live search query */ -static void -query_class_init (QueryClass *class) -{ - GtkObjectClass *object_class; - - object_class = (GtkObjectClass *) class; - - parent_class = gtk_type_class (BONOBO_X_OBJECT_TYPE); - - object_class->destroy = query_destroy; - - /* The Query interface (ha ha! query interface!) has no methods, so we - * don't need to fiddle with the epv. - */ -} - -/* Object initialization function for the live search query */ -static void -query_init (Query *query) -{ - QueryPrivate *priv; - - priv = g_new0 (QueryPrivate, 1); - query->priv = priv; - - priv->backend = NULL; - priv->ql = CORBA_OBJECT_NIL; - priv->sexp = NULL; - - priv->pending_uids = NULL; - priv->uids = g_hash_table_new (g_str_hash, g_str_equal); - - priv->next_comp = NULL; -} - -/* Used from g_hash_table_foreach(); frees a UID */ -static void -free_uid_cb (gpointer key, gpointer value, gpointer data) -{ - char *uid; - - uid = key; - g_free (uid); -} - -/* Destroy handler for the live search query */ -static void -query_destroy (GtkObject *object) -{ - Query *query; - QueryPrivate *priv; - - g_return_if_fail (object != NULL); - g_return_if_fail (IS_QUERY (object)); - - query = QUERY (object); - priv = query->priv; - - if (priv->backend) { - gtk_signal_disconnect_by_data (GTK_OBJECT (priv->backend), query); - gtk_object_unref (GTK_OBJECT (priv->backend)); - priv->backend = NULL; - } - - if (priv->ql != CORBA_OBJECT_NIL) { - CORBA_Environment ev; - - CORBA_exception_init (&ev); - bonobo_object_release_unref (priv->ql, &ev); - - if (ev._major != CORBA_NO_EXCEPTION) - g_message ("query_destroy(): Could not unref the listener\n"); - - CORBA_exception_free (&ev); - - priv->ql = CORBA_OBJECT_NIL; - } - - if (priv->sexp) { - g_free (priv->sexp); - priv->sexp = NULL; - } - - if (priv->esexp) { - e_sexp_unref (priv->esexp); - priv->esexp = NULL; - } - - if (priv->idle_id) { - g_source_remove (priv->idle_id); - priv->idle_id = 0; - } - - if (priv->pending_uids) { - GList *l; - - for (l = priv->pending_uids; l; l = l->next) { - char *uid; - - uid = l->data; - g_assert (uid != NULL); - g_free (uid); - } - - g_list_free (priv->pending_uids); - priv->pending_uids = NULL; - priv->n_pending = 0; - } - - g_hash_table_foreach (priv->uids, free_uid_cb, NULL); - g_hash_table_destroy (priv->uids); - priv->uids = NULL; - - g_free (priv); - query->priv = NULL; - - if (GTK_OBJECT_CLASS (parent_class)->destroy) - (* GTK_OBJECT_CLASS (parent_class)->destroy) (object); -} - - - -/* E-Sexp functions */ - -/* (time-now) - * - * Returns a time_t of time (NULL). - */ -static ESExpResult * -func_time_now (ESExp *esexp, int argc, ESExpResult **argv, void *data) -{ - ESExpResult *result; - - if (argc != 0) { - e_sexp_fatal_error (esexp, _("time-now expects 0 arguments")); - return NULL; - } - - result = e_sexp_result_new (esexp, ESEXP_RES_TIME); - result->value.time = time (NULL); - - return result; -} - -/* (make-time ISODATE) - * - * ISODATE - string, ISO 8601 date/time representation - * - * Constructs a time_t value for the specified date. - */ -static ESExpResult * -func_make_time (ESExp *esexp, int argc, ESExpResult **argv, void *data) -{ - const char *str; - time_t t; - ESExpResult *result; - - if (argc != 1) { - e_sexp_fatal_error (esexp, _("make-time expects 1 argument")); - return NULL; - } - - if (argv[0]->type != ESEXP_RES_STRING) { - e_sexp_fatal_error (esexp, _("make-time expects argument 1 " - "to be a string")); - return NULL; - } - str = argv[0]->value.string; - - t = time_from_isodate (str); - if (t == -1) { - e_sexp_fatal_error (esexp, _("make-time argument 1 must be an " - "ISO 8601 date/time string")); - return NULL; - } - - result = e_sexp_result_new (esexp, ESEXP_RES_TIME); - result->value.time = t; - - return result; -} - -/* (time-add-day TIME N) - * - * TIME - time_t, base time - * N - int, number of days to add - * - * Adds the specified number of days to a time value. - */ -static ESExpResult * -func_time_add_day (ESExp *esexp, int argc, ESExpResult **argv, void *data) -{ - ESExpResult *result; - time_t t; - int n; - - if (argc != 2) { - e_sexp_fatal_error (esexp, _("time-add-day expects 2 arguments")); - return NULL; - } - - if (argv[0]->type != ESEXP_RES_TIME) { - e_sexp_fatal_error (esexp, _("time-add-day expects argument 1 " - "to be a time_t")); - return NULL; - } - t = argv[0]->value.time; - - if (argv[1]->type != ESEXP_RES_INT) { - e_sexp_fatal_error (esexp, _("time-add-day expects argument 2 " - "to be an integer")); - return NULL; - } - n = argv[1]->value.number; - - result = e_sexp_result_new (esexp, ESEXP_RES_TIME); - result->value.time = time_add_day (t, n); - - return result; -} - -/* (time-day-begin TIME) - * - * TIME - time_t, base time - * - * Returns the start of the day, according to the local time. - */ -static ESExpResult * -func_time_day_begin (ESExp *esexp, int argc, ESExpResult **argv, void *data) -{ - time_t t; - ESExpResult *result; - - if (argc != 1) { - e_sexp_fatal_error (esexp, _("time-day-begin expects 1 argument")); - return NULL; - } - - if (argv[0]->type != ESEXP_RES_TIME) { - e_sexp_fatal_error (esexp, _("time-day-begin expects argument 1 " - "to be a time_t")); - return NULL; - } - t = argv[0]->value.time; - - result = e_sexp_result_new (esexp, ESEXP_RES_TIME); - result->value.time = time_day_begin (t); - - return result; -} - -/* (time-day-end TIME) - * - * TIME - time_t, base time - * - * Returns the end of the day, according to the local time. - */ -static ESExpResult * -func_time_day_end (ESExp *esexp, int argc, ESExpResult **argv, void *data) -{ - time_t t; - ESExpResult *result; - - if (argc != 1) { - e_sexp_fatal_error (esexp, _("time-day-end expects 1 argument")); - return NULL; - } - - if (argv[0]->type != ESEXP_RES_TIME) { - e_sexp_fatal_error (esexp, _("time-day-end expects argument 1 " - "to be a time_t")); - return NULL; - } - t = argv[0]->value.time; - - result = e_sexp_result_new (esexp, ESEXP_RES_TIME); - result->value.time = time_day_end (t); - - return result; -} - -/* (get-vtype) - * - * Returns a string indicating the type of component (VEVENT, VTODO, VJOURNAL, - * VFREEBUSY, VTIMEZONE, UNKNOWN). - */ -static ESExpResult * -func_get_vtype (ESExp *esexp, int argc, ESExpResult **argv, void *data) -{ - Query *query; - QueryPrivate *priv; - CalComponent *comp; - CalComponentVType vtype; - char *str; - ESExpResult *result; - - query = QUERY (data); - priv = query->priv; - - g_assert (priv->next_comp != NULL); - comp = priv->next_comp; - - /* Check argument types */ - - if (argc != 0) { - e_sexp_fatal_error (esexp, _("get-vtype expects 0 arguments")); - return NULL; - } - - /* Get the type */ - - vtype = cal_component_get_vtype (comp); - - switch (vtype) { - case CAL_COMPONENT_EVENT: - str = g_strdup ("VEVENT"); - break; - - case CAL_COMPONENT_TODO: - str = g_strdup ("VTODO"); - break; - - case CAL_COMPONENT_JOURNAL: - str = g_strdup ("VJOURNAL"); - break; - - case CAL_COMPONENT_FREEBUSY: - str = g_strdup ("VFREEBUSY"); - break; - - case CAL_COMPONENT_TIMEZONE: - str = g_strdup ("VTIMEZONE"); - break; - - default: - str = g_strdup ("UNKNOWN"); - break; - } - - result = e_sexp_result_new (esexp, ESEXP_RES_STRING); - result->value.string = str; - - return result; -} - -/* Sets a boolean value in the data to TRUE; called from - * cal_recur_generate_instances() to indicate that at least one instance occurs - * in the sought time range. We always return FALSE because we want the - * recurrence engine to finish as soon as possible. - */ -static gboolean -instance_occur_cb (CalComponent *comp, time_t start, time_t end, gpointer data) -{ - gboolean *occurs; - - occurs = data; - *occurs = TRUE; - - return FALSE; -} - -/* (occur-in-time-range? START END) - * - * START - time_t, start of the time range - * END - time_t, end of the time range - * - * Returns a boolean indicating whether the component has any occurrences in the - * specified time range. - */ -static ESExpResult * -func_occur_in_time_range (ESExp *esexp, int argc, ESExpResult **argv, void *data) -{ - Query *query; - QueryPrivate *priv; - CalComponent *comp; - time_t start, end; - gboolean occurs; - ESExpResult *result; - - query = QUERY (data); - priv = query->priv; - - g_assert (priv->next_comp != NULL); - comp = priv->next_comp; - - /* Check argument types */ - - if (argc != 2) { - e_sexp_fatal_error (esexp, _("occur-in-time-range? expects 2 arguments")); - return NULL; - } - - if (argv[0]->type != ESEXP_RES_TIME) { - e_sexp_fatal_error (esexp, _("occur-in-time-range? expects argument 1 " - "to be a time_t")); - return NULL; - } - start = argv[0]->value.time; - - if (argv[1]->type != ESEXP_RES_TIME) { - e_sexp_fatal_error (esexp, _("occur-in-time-range? expects argument 2 " - "to be a time_t")); - return NULL; - } - end = argv[1]->value.time; - - /* See if there is at least one instance in that range */ - - occurs = FALSE; - cal_recur_generate_instances (comp, start, end, instance_occur_cb, &occurs); - - result = e_sexp_result_new (esexp, ESEXP_RES_BOOL); - result->value.bool = occurs; - - return result; -} - -/* Returns whether a list of CalComponentText items matches the specified string */ -static gboolean -matches_text_list (GSList *text_list, const char *str) -{ - GSList *l; - gboolean matches; - - matches = FALSE; - - for (l = text_list; l; l = l->next) { - CalComponentText *text; - - text = l->data; - g_assert (text->value != NULL); - - if (e_utf8_strstrcasedecomp (text->value, str) != NULL) { - matches = TRUE; - break; - } - } - - return matches; -} - -/* Returns whether the comments in a component matches the specified string */ -static gboolean -matches_comment (CalComponent *comp, const char *str) -{ - GSList *list; - gboolean matches; - - cal_component_get_comment_list (comp, &list); - matches = matches_text_list (list, str); - cal_component_free_text_list (list); - - return matches; -} - -/* Returns whether the description in a component matches the specified string */ -static gboolean -matches_description (CalComponent *comp, const char *str) -{ - GSList *list; - gboolean matches; - - cal_component_get_description_list (comp, &list); - matches = matches_text_list (list, str); - cal_component_free_text_list (list); - - return matches; -} - -/* Returns whether the summary in a component matches the specified string */ -static gboolean -matches_summary (CalComponent *comp, const char *str) -{ - CalComponentText text; - - cal_component_get_summary (comp, &text); - - if (!text.value) - return FALSE; - - return e_utf8_strstrcasedecomp (text.value, str) != NULL; -} - -/* Returns whether any text field in a component matches the specified string */ -static gboolean -matches_any (CalComponent *comp, const char *str) -{ - /* As an optimization, and to make life easier for the individual - * predicate functions, see if we are looking for the empty string right - * away. - */ - if (strlen (str) == 0) - return TRUE; - - return (matches_comment (comp, str) - || matches_description (comp, str) - || matches_summary (comp, str)); -} - -/* (contains? FIELD STR) - * - * FIELD - string, name of field to match (any, comment, description, summary) - * STR - string, match string - * - * Returns a boolean indicating whether the specified field contains the - * specified string. - */ -static ESExpResult * -func_contains (ESExp *esexp, int argc, ESExpResult **argv, void *data) -{ - Query *query; - QueryPrivate *priv; - CalComponent *comp; - const char *field; - const char *str; - gboolean matches; - ESExpResult *result; - - query = QUERY (data); - priv = query->priv; - - g_assert (priv->next_comp != NULL); - comp = priv->next_comp; - - /* Check argument types */ - - if (argc != 2) { - e_sexp_fatal_error (esexp, _("contains? expects 2 arguments")); - return NULL; - } - - if (argv[0]->type != ESEXP_RES_STRING) { - e_sexp_fatal_error (esexp, _("contains? expects argument 1 " - "to be a string")); - return NULL; - } - field = argv[0]->value.string; - - if (argv[1]->type != ESEXP_RES_STRING) { - e_sexp_fatal_error (esexp, _("contains? expects argument 2 " - "to be a string")); - return NULL; - } - str = argv[1]->value.string; - - /* See if it matches */ - - if (strcmp (field, "any") == 0) - matches = matches_any (comp, str); - else if (strcmp (field, "comment") == 0) - matches = matches_comment (comp, str); - else if (strcmp (field, "description") == 0) - matches = matches_description (comp, str); - else if (strcmp (field, "summary") == 0) - matches = matches_summary (comp, str); - else { - e_sexp_fatal_error (esexp, _("contains? expects argument 1 to " - "be one of \"any\", \"summary\", \"description\"")); - return NULL; - } - - result = e_sexp_result_new (esexp, ESEXP_RES_BOOL); - result->value.bool = matches; - - return result; -} - -/* (has-categories? STR+) - * - * STR - At least one string specifying a category - * - * Returns a boolean indicating whether the component has all the specified - * categories. - */ -static ESExpResult * -func_has_categories (ESExp *esexp, int argc, ESExpResult **argv, void *data) -{ - Query *query; - QueryPrivate *priv; - CalComponent *comp; - int i; - GSList *categories; - gboolean matches; - ESExpResult *result; - - query = QUERY (data); - priv = query->priv; - - g_assert (priv->next_comp != NULL); - comp = priv->next_comp; - - /* Check argument types */ - - if (argc < 1) { - e_sexp_fatal_error (esexp, _("has-categories? expects at least 1 argument")); - return NULL; - } - - for (i = 0; i < argc; i++) - if (argv[i]->type != ESEXP_RES_STRING) { - e_sexp_fatal_error (esexp, _("has-categories? expects all arguments " - "to be strings")); - return NULL; - } - - /* Search categories */ - - cal_component_get_categories_list (comp, &categories); - if (!categories) { - result = e_sexp_result_new (esexp, ESEXP_RES_BOOL); - result->value.bool = FALSE; - - return result; - } - - matches = TRUE; - - for (i = 0; i < argc; i++) { - const char *sought; - GSList *l; - gboolean has_category; - - sought = argv[i]->value.string; - - has_category = FALSE; - - for (l = categories; l; l = l->next) { - const char *category; - - category = l->data; - - if (strcmp (category, sought) == 0) { - has_category = TRUE; - break; - } - } - - if (!has_category) { - matches = FALSE; - break; - } - } - - cal_component_free_categories_list (categories); - - result = e_sexp_result_new (esexp, ESEXP_RES_BOOL); - result->value.bool = matches; - - return result; -} - - - -/* Adds a component to our the UIDs hash table and notifies the client */ -static void -add_component (Query *query, const char *uid, gboolean query_in_progress, int n_scanned, int total) -{ - QueryPrivate *priv; - char *old_uid; - CORBA_Environment ev; - - if (query_in_progress) - g_assert (n_scanned > 0 || n_scanned <= total); - - priv = query->priv; - - if (g_hash_table_lookup_extended (priv->uids, uid, (gpointer *) &old_uid, NULL)) { - g_hash_table_remove (priv->uids, old_uid); - g_free (old_uid); - } - - g_hash_table_insert (priv->uids, g_strdup (uid), NULL); - - CORBA_exception_init (&ev); - GNOME_Evolution_Calendar_QueryListener_notifyObjUpdated ( - priv->ql, - (char *) uid, - query_in_progress, - n_scanned, - total, - &ev); - - if (ev._major != CORBA_NO_EXCEPTION) - g_message ("add_component(): Could not notify the listener of an " - "updated component"); - - CORBA_exception_free (&ev); -} - -/* Removes a component from our the UIDs hash table and notifies the client */ -static void -remove_component (Query *query, const char *uid) -{ - QueryPrivate *priv; - char *old_uid; - CORBA_Environment ev; - - priv = query->priv; - - if (!g_hash_table_lookup_extended (priv->uids, uid, (gpointer *) &old_uid, NULL)) - return; - - /* The component did match the query before but it no longer does, so we - * have to notify the client. - */ - - g_hash_table_remove (priv->uids, old_uid); - g_free (old_uid); - - CORBA_exception_init (&ev); - GNOME_Evolution_Calendar_QueryListener_notifyObjRemoved ( - priv->ql, - (char *) uid, - &ev); - - if (ev._major != CORBA_NO_EXCEPTION) - g_message ("remove_component(): Could not notify the listener of a " - "removed component"); - - CORBA_exception_free (&ev); -} - -/* Removes a component from the list of pending UIDs */ -static void -remove_from_pending (Query *query, const char *remove_uid) -{ - QueryPrivate *priv; - GList *l; - - priv = query->priv; - - for (l = priv->pending_uids; l; l = l->next) { - char *uid; - - g_assert (priv->n_pending > 0); - - uid = l->data; - if (strcmp (remove_uid, uid)) - continue; - - g_free (uid); - - priv->pending_uids = g_list_remove_link (priv->pending_uids, l); - g_list_free_1 (l); - priv->n_pending--; - - g_assert ((priv->pending_uids && priv->n_pending != 0) - || (!priv->pending_uids && priv->n_pending == 0)); - - break; - } -} - -static struct { - char *name; - ESExpFunc *func; -} functions[] = { - /* Time-related functions */ - { "time-now", func_time_now }, - { "make-time", func_make_time }, - { "time-add-day", func_time_add_day }, - { "time-day-begin", func_time_day_begin }, - { "time-day-end", func_time_day_end }, - - /* Component-related functions */ - { "get-vtype", func_get_vtype }, - { "occur-in-time-range?", func_occur_in_time_range }, - { "contains?", func_contains }, - { "has-categories?", func_has_categories } -}; - -/* Initializes a sexp by interning our own symbols */ -static ESExp * -create_sexp (Query *query) -{ - ESExp *esexp; - int i; - - esexp = e_sexp_new (); - - for (i = 0; i < (sizeof (functions) / sizeof (functions[0])); i++) - e_sexp_add_function (esexp, 0, functions[i].name, functions[i].func, query); - - return esexp; -} - -/* Evaluates the query sexp on the specified component and notifies the listener - * as appropriate. - */ -static void -match_component (Query *query, const char *uid, - gboolean query_in_progress, int n_scanned, int total) -{ - QueryPrivate *priv; - char *comp_str; - CalComponent *comp; - icalcomponent *icalcomp; - gboolean set_succeeded; - ESExpResult *result; - - priv = query->priv; - - comp_str = cal_backend_get_object (priv->backend, uid); - g_assert (comp_str != NULL); - - icalcomp = icalparser_parse_string (comp_str); - g_assert (icalcomp != NULL); - - g_free (comp_str); - - comp = cal_component_new (); - set_succeeded = cal_component_set_icalcomponent (comp, icalcomp); - g_assert (set_succeeded); - - /* Eval the sexp */ - - g_assert (priv->next_comp == NULL); - - priv->next_comp = comp; - result = e_sexp_eval (priv->esexp); - gtk_object_unref (GTK_OBJECT (comp)); - priv->next_comp = NULL; - - if (!result) { - const char *error_str; - CORBA_Environment ev; - - error_str = e_sexp_error (priv->esexp); - g_assert (error_str != NULL); - - CORBA_exception_init (&ev); - GNOME_Evolution_Calendar_QueryListener_notifyEvalError ( - priv->ql, - error_str, - &ev); - - if (ev._major != CORBA_NO_EXCEPTION) - g_message ("match_component(): Could not notify the listener of " - "an evaluation error"); - - CORBA_exception_free (&ev); - return; - } else if (result->type != ESEXP_RES_BOOL) { - CORBA_Environment ev; - - CORBA_exception_init (&ev); - GNOME_Evolution_Calendar_QueryListener_notifyEvalError ( - priv->ql, - _("Evaluation of the search expression did not yield a boolean value"), - &ev); - - if (ev._major != CORBA_NO_EXCEPTION) - g_message ("match_component(): Could not notify the listener of " - "an unexpected result value type when evaluating the " - "search expression"); - - CORBA_exception_free (&ev); - } else { - /* Success; process the component accordingly */ - - if (result->value.bool) - add_component (query, uid, query_in_progress, n_scanned, total); - else - remove_component (query, uid); - } - - e_sexp_result_free (priv->esexp, result); -} - -/* Processes a single component that is queued in the list */ -static gboolean -process_component_cb (gpointer data) -{ - Query *query; - QueryPrivate *priv; - char *uid; - GList *l; - - query = QUERY (data); - priv = query->priv; - - /* No more components? */ - - if (!priv->pending_uids) { - g_assert (priv->n_pending == 0); - - priv->idle_id = 0; - return FALSE; - } - - g_assert (priv->n_pending > 0); - - /* Fetch the component */ - - l = priv->pending_uids; - priv->pending_uids = g_list_remove_link (priv->pending_uids, l); - priv->n_pending--; - - g_assert ((priv->pending_uids && priv->n_pending != 0) - || (!priv->pending_uids && priv->n_pending == 0)); - - uid = l->data; - g_assert (uid != NULL); - - g_list_free_1 (l); - - bonobo_object_ref (BONOBO_OBJECT (query)); - - match_component (query, uid, - TRUE, - priv->pending_total - priv->n_pending, - priv->pending_total); - - bonobo_object_unref (BONOBO_OBJECT (query)); - - g_free (uid); - - return TRUE; -} - -/* Populates the query with pending UIDs so that they can be processed - * asynchronously. - */ -static void -populate_query (Query *query) -{ - QueryPrivate *priv; - - priv = query->priv; - g_assert (priv->idle_id == 0); - - priv->pending_uids = cal_backend_get_uids (priv->backend, CALOBJ_TYPE_ANY); - priv->pending_total = g_list_length (priv->pending_uids); - priv->n_pending = priv->pending_total; - - priv->idle_id = g_idle_add (process_component_cb, query); -} - -/* Idle handler for starting a query */ -static gboolean -start_query_cb (gpointer data) -{ - Query *query; - QueryPrivate *priv; - CORBA_Environment ev; - - query = QUERY (data); - priv = query->priv; - - priv->idle_id = 0; - - priv->esexp = create_sexp (query); - - /* Compile the query string */ - - g_assert (priv->sexp != NULL); - e_sexp_input_text (priv->esexp, priv->sexp, strlen (priv->sexp)); - - if (e_sexp_parse (priv->esexp) == -1) { - const char *error_str; - - error_str = e_sexp_error (priv->esexp); - g_assert (error_str != NULL); - - CORBA_exception_init (&ev); - GNOME_Evolution_Calendar_QueryListener_notifyQueryDone ( - priv->ql, - GNOME_Evolution_Calendar_QueryListener_PARSE_ERROR, - error_str, - &ev); - - if (ev._major != CORBA_NO_EXCEPTION) - g_message ("start_query_cb(): Could not notify the listener of " - "a parse error"); - - CORBA_exception_free (&ev); - return FALSE; - } - - /* Populate the query with UIDs so that we can process them asynchronously */ - - populate_query (query); - - return FALSE; -} - -/* Callback used when the backend gets loaded; we just queue the query to be - * started later. - */ -static void -backend_opened_cb (CalBackend *backend, CalBackendOpenStatus status, gpointer data) -{ - Query *query; - QueryPrivate *priv; - - query = QUERY (data); - priv = query->priv; - - if (status == CAL_BACKEND_OPEN_SUCCESS) { - g_assert (cal_backend_is_loaded (backend)); - g_assert (priv->idle_id == 0); - - priv->idle_id = g_idle_add (start_query_cb, query); - } -} - -/* Callback used when a component changes in the backend */ -static void -backend_obj_updated_cb (CalBackend *backend, const char *uid, gpointer data) -{ - Query *query; - - query = QUERY (data); - - bonobo_object_ref (BONOBO_OBJECT (query)); - - match_component (query, uid, FALSE, 0, 0); - remove_from_pending (query, uid); - - bonobo_object_unref (BONOBO_OBJECT (query)); -} - -/* Callback used when a component is removed from the backend */ -static void -backend_obj_removed_cb (CalBackend *backend, const char *uid, gpointer data) -{ - Query *query; - QueryPrivate *priv; - - query = QUERY (data); - priv = query->priv; - - bonobo_object_ref (BONOBO_OBJECT (query)); - - remove_component (query, uid); - remove_from_pending (query, uid); - - bonobo_object_unref (BONOBO_OBJECT (query)); -} - -/** - * query_construct: - * @query: A live search query. - * @backend: Calendar backend that the query object will monitor. - * @ql: Listener for query results. - * @sexp: Sexp that defines the query. - * - * Constructs a #Query object by binding it to a calendar backend and a query - * listener. The @query object will start to populate itself asynchronously and - * call the listener as appropriate. - * - * Return value: The same value as @query, or NULL if the query could not - * be constructed. - **/ -Query * -query_construct (Query *query, - CalBackend *backend, - GNOME_Evolution_Calendar_QueryListener ql, - const char *sexp) -{ - QueryPrivate *priv; - CORBA_Environment ev; - - g_return_val_if_fail (query != NULL, NULL); - g_return_val_if_fail (IS_QUERY (query), NULL); - g_return_val_if_fail (backend != NULL, NULL); - g_return_val_if_fail (IS_CAL_BACKEND (backend), NULL); - g_return_val_if_fail (ql != CORBA_OBJECT_NIL, NULL); - g_return_val_if_fail (sexp != NULL, NULL); - - priv = query->priv; - - CORBA_exception_init (&ev); - priv->ql = CORBA_Object_duplicate (ql, &ev); - if (ev._major != CORBA_NO_EXCEPTION) { - g_message ("query_construct(): Could not duplicate the listener"); - priv->ql = CORBA_OBJECT_NIL; - CORBA_exception_free (&ev); - return NULL; - } - CORBA_exception_free (&ev); - - priv->backend = backend; - gtk_object_ref (GTK_OBJECT (priv->backend)); - - gtk_signal_connect (GTK_OBJECT (priv->backend), "obj_updated", - GTK_SIGNAL_FUNC (backend_obj_updated_cb), - query); - gtk_signal_connect (GTK_OBJECT (priv->backend), "obj_removed", - GTK_SIGNAL_FUNC (backend_obj_removed_cb), - query); - - priv->sexp = g_strdup (sexp); - - /* Queue the query to be started asynchronously */ - - if (cal_backend_is_loaded (priv->backend)) { - g_assert (priv->idle_id == 0); - priv->idle_id = g_idle_add (start_query_cb, query); - } else - gtk_signal_connect (GTK_OBJECT (priv->backend), "opened", - GTK_SIGNAL_FUNC (backend_opened_cb), - query); - - return query; -} - -/** - * query_new: - * @backend: Calendar backend that the query object will monitor. - * @ql: Listener for query results. - * @sexp: Sexp that defines the query. - * - * Creates a new query engine object that monitors a calendar backend. - * - * Return value: A newly-created query object, or NULL on failure. - **/ -Query * -query_new (CalBackend *backend, - GNOME_Evolution_Calendar_QueryListener ql, - const char *sexp) -{ - Query *query; - - query = QUERY (gtk_type_new (QUERY_TYPE)); - if (!query_construct (query, backend, ql, sexp)) { - bonobo_object_unref (BONOBO_OBJECT (query)); - return NULL; - } - - return query; -} diff --git a/calendar/pcs/query.h b/calendar/pcs/query.h deleted file mode 100644 index bd10351fcb..0000000000 --- a/calendar/pcs/query.h +++ /dev/null @@ -1,69 +0,0 @@ -/* Evolution calendar - Live search query implementation - * - * Copyright (C) 2001 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. - */ - -#ifndef QUERY_H -#define QUERY_H - -#include <libgnome/gnome-defs.h> -#include <bonobo/bonobo-xobject.h> -#include "cal-backend.h" - -BEGIN_GNOME_DECLS - - - -#define QUERY_TYPE (query_get_type ()) -#define QUERY(obj) (GTK_CHECK_CAST ((obj), QUERY_TYPE, Query)) -#define QUERY_CLASS(klass) (GTK_CHECK_CLASS_CAST ((klass), QUERY_TYPE, QueryClass)) -#define IS_QUERY(obj) (GTK_CHECK_TYPE ((obj), QUERY_TYPE)) -#define IS_QUERY_CLASS(klass) (GTK_CHECK_CLASS_TYPE ((klass), QUERY_TYPE)) - -typedef struct _QueryPrivate QueryPrivate; - -typedef struct { - BonoboXObject xobject; - - /* Private data */ - QueryPrivate *priv; -} Query; - -typedef struct { - BonoboXObjectClass parent_class; - - POA_GNOME_Evolution_Calendar_Query__epv epv; -} QueryClass; - -GtkType query_get_type (void); - -Query *query_construct (Query *query, - CalBackend *backend, - GNOME_Evolution_Calendar_QueryListener ql, - const char *sexp); - -Query *query_new (CalBackend *backend, - GNOME_Evolution_Calendar_QueryListener ql, - const char *sexp); - - - -END_GNOME_DECLS - -#endif |