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authorFederico Mena Quintero <federico@ximian.com>2001-04-03 13:35:48 +0800
committerFederico Mena Quintero <federico@src.gnome.org>2001-04-03 13:35:48 +0800
commit7a4bd61930f826ceabf144bf1d4ca06592565e90 (patch)
treee05e3a2e25f54c8b7015c33311b121131ffb7777 /calendar/cal-client/cal-query.c
parent44882da7a7193185f7b593ac3799758c5065f6e4 (diff)
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Plug leak.
2001-04-02 Federico Mena Quintero <federico@ximian.com> * gui/e-tasks.c (e_tasks_setup_menus): Plug leak. * gui/event-editor.c (obj_updated_cb): Do nothing for now until we think of something sensible to do. (obj_removed_cb): Likewise. * gui/dialogs/task-editor.c (obj_updated_cb): Likewise. (obj_removed_cb): Likewise. * gui/event-editor.c (dialog_to_comp_object): Plug leak. svn path=/trunk/; revision=9124
Diffstat (limited to 'calendar/cal-client/cal-query.c')
-rw-r--r--calendar/cal-client/cal-query.c406
1 files changed, 406 insertions, 0 deletions
diff --git a/calendar/cal-client/cal-query.c b/calendar/cal-client/cal-query.c
new file mode 100644
index 0000000000..1a3fd241f9
--- /dev/null
+++ b/calendar/cal-client/cal-query.c
@@ -0,0 +1,406 @@
+/* Evolution calendar - Live query client object
+ *
+ * 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 <gtk/gtksignal.h>
+#include "cal-query.h"
+#include "query-listener.h"
+
+
+
+/* Private part of the CalQuery structure */
+struct _CalQueryPrivate {
+ /* Our query listener implementation */
+ QueryListener *ql;
+
+ /* Handle to the query in the server */
+ GNOME_Evolution_Calendar_Query corba_query;
+};
+
+
+
+static void cal_query_class_init (CalQueryClass *class);
+static void cal_query_init (CalQuery *query);
+static void cal_query_destroy (GtkObject *object);
+
+/* Signal IDs */
+enum {
+ OBJ_UPDATED,
+ OBJ_REMOVED,
+ QUERY_DONE,
+ EVAL_ERROR,
+ LAST_SIGNAL
+};
+
+static void marshal_obj_updated (GtkObject *object,
+ GtkSignalFunc func, gpointer func_data,
+ GtkArg *args);
+static void marshal_query_done (GtkObject *object,
+ GtkSignalFunc func, gpointer func_data,
+ GtkArg *args);
+
+static guint query_signals[LAST_SIGNAL];
+
+static GtkObjectClass *parent_class;
+
+
+
+/**
+ * cal_query_get_type:
+ *
+ * Registers the #CalQuery class if necessary, and returns the type ID assigned
+ * to it.
+ *
+ * Return value: The type ID of the #CalQuery class.
+ **/
+GtkType
+cal_query_get_type (void)
+{
+ static GtkType cal_query_type = 0;
+
+ if (!cal_query_type) {
+ static const GtkTypeInfo cal_query_info = {
+ "CalQuery",
+ sizeof (CalQuery),
+ sizeof (CalQueryClass),
+ (GtkClassInitFunc) cal_query_class_init,
+ (GtkObjectInitFunc) cal_query_init,
+ NULL, /* reserved_1 */
+ NULL, /* reserved_2 */
+ (GtkClassInitFunc) NULL
+ };
+
+ cal_query_type = gtk_type_unique (GTK_TYPE_OBJECT, &cal_query_info);
+ }
+
+ return cal_query_type;
+}
+
+/* Class initialization function for the calendar query */
+static void
+cal_query_class_init (CalQueryClass *class)
+{
+ GtkObjectClass *object_class;
+
+ object_class = (GtkObjectClass *) class;
+
+ parent_class = gtk_type_class (GTK_TYPE_OBJECT);
+
+ query_signals[OBJ_UPDATED] =
+ gtk_signal_new ("obj_updated",
+ GTK_RUN_FIRST,
+ object_class->type,
+ GTK_SIGNAL_OFFSET (CalQueryClass, obj_updated),
+ marshal_obj_updated,
+ GTK_TYPE_NONE, 4,
+ GTK_TYPE_STRING,
+ GTK_TYPE_BOOL,
+ GTK_TYPE_INT,
+ GTK_TYPE_INT);
+ query_signals[OBJ_REMOVED] =
+ gtk_signal_new ("obj_removed",
+ GTK_RUN_FIRST,
+ object_class->type,
+ GTK_SIGNAL_OFFSET (CalQueryClass, obj_removed),
+ gtk_marshal_NONE__STRING,
+ GTK_TYPE_NONE, 1,
+ GTK_TYPE_STRING);
+ query_signals[QUERY_DONE] =
+ gtk_signal_new ("query_done",
+ GTK_RUN_FIRST,
+ object_class->type,
+ GTK_SIGNAL_OFFSET (CalQueryClass, query_done),
+ marshal_query_done,
+ GTK_TYPE_NONE, 2,
+ GTK_TYPE_ENUM,
+ GTK_TYPE_STRING);
+ query_signals[EVAL_ERROR] =
+ gtk_signal_new ("eval_error",
+ GTK_RUN_FIRST,
+ object_class->type,
+ GTK_SIGNAL_OFFSET (CalQueryClass, eval_error),
+ gtk_marshal_NONE__STRING,
+ GTK_TYPE_NONE, 1,
+ GTK_TYPE_STRING);
+
+ gtk_object_class_add_signals (object_class, query_signals, LAST_SIGNAL);
+
+ class->obj_updated = NULL;
+ class->obj_removed = NULL;
+ class->query_done = NULL;
+ class->eval_error = NULL;
+
+ object_class->destroy = cal_query_destroy;
+}
+
+/* Object initialization function for the calendar query */
+static void
+cal_query_init (CalQuery *query)
+{
+ CalQueryPrivate *priv;
+
+ priv = g_new0 (CalQueryPrivate, 1);
+ query->priv = priv;
+
+ priv->ql = NULL;
+ priv->corba_query = CORBA_OBJECT_NIL;
+}
+
+/* Destroy handler for the calendar query */
+static void
+cal_query_destroy (GtkObject *object)
+{
+ CalQuery *query;
+ CalQueryPrivate *priv;
+
+ g_return_if_fail (object != NULL);
+ g_return_if_fail (IS_CAL_QUERY (object));
+
+ query = CAL_QUERY (object);
+ priv = query->priv;
+
+ /* The server unrefs the query listener, so we just NULL it out here */
+ priv->ql = NULL;
+
+ if (priv->corba_query != CORBA_OBJECT_NIL) {
+ CORBA_Environment ev;
+
+ CORBA_exception_init (&ev);
+ bonobo_object_release_unref (priv->corba_query, &ev);
+
+ if (ev._major != CORBA_NO_EXCEPTION)
+ g_message ("cal_query_destroy(): Could not release/unref the query");
+
+ CORBA_exception_free (&ev);
+ priv->corba_query = CORBA_OBJECT_NIL;
+ }
+
+ g_free (priv);
+ query->priv = NULL;
+
+ if (GTK_OBJECT_CLASS (parent_class)->destroy)
+ (* GTK_OBJECT_CLASS (parent_class)->destroy) (object);
+}
+
+
+
+/* Marshalers */
+
+typedef void (* ObjUpdatedFunc) (QueryListener *ql, const char *uid,
+ gboolean query_in_progress, int n_scanned, int total,
+ gpointer data);
+
+static void
+marshal_obj_updated (GtkObject *object, GtkSignalFunc func, gpointer func_data, GtkArg *args)
+{
+ ObjUpdatedFunc f;
+
+ f = (ObjUpdatedFunc) func;
+
+ (* f) (QUERY_LISTENER (object), GTK_VALUE_STRING (args[0]),
+ GTK_VALUE_BOOL (args[1]), GTK_VALUE_INT (args[2]), GTK_VALUE_INT (args[3]),
+ func_data);
+}
+
+typedef void (* QueryDoneFunc) (QueryListener *ql, CalQueryDoneStatus status, const char *error_str,
+ gpointer data);
+
+static void
+marshal_query_done (GtkObject *object, GtkSignalFunc func, gpointer func_data, GtkArg *args)
+{
+ QueryDoneFunc f;
+
+ f = (QueryDoneFunc) func;
+
+ (* f) (QUERY_LISTENER (object), GTK_VALUE_ENUM (args[0]), GTK_VALUE_STRING (args[1]),
+ func_data);
+}
+
+
+
+/* Callback used when an object is updated in the query */
+static void
+obj_updated_cb (QueryListener *ql,
+ const GNOME_Evolution_Calendar_CalObjUID uid,
+ CORBA_boolean query_in_progress,
+ CORBA_long n_scanned,
+ CORBA_long total,
+ gpointer data)
+{
+ CalQuery *query;
+
+ query = CAL_QUERY (data);
+
+ gtk_signal_emit (GTK_OBJECT (query), query_signals[OBJ_UPDATED],
+ uid, query_in_progress, (int) n_scanned, (int) total);
+}
+
+/* Callback used when an object is removed from the query */
+static void
+obj_removed_cb (QueryListener *ql,
+ const GNOME_Evolution_Calendar_CalObjUID uid,
+ gpointer data)
+{
+ CalQuery *query;
+
+ query = CAL_QUERY (data);
+
+ gtk_signal_emit (GTK_OBJECT (query), query_signals[OBJ_REMOVED],
+ uid);
+}
+
+/* Callback used when the query terminates */
+static void
+query_done_cb (QueryListener *ql,
+ GNOME_Evolution_Calendar_QueryListener_QueryDoneStatus corba_status,
+ const CORBA_char *error_str,
+ gpointer data)
+{
+ CalQuery *query;
+ CalQueryDoneStatus status;
+
+ query = CAL_QUERY (data);
+
+ switch (corba_status) {
+ case GNOME_Evolution_Calendar_QueryListener_SUCCESS:
+ status = CAL_QUERY_DONE_SUCCESS;
+ break;
+
+ case GNOME_Evolution_Calendar_QueryListener_PARSE_ERROR:
+ status = CAL_QUERY_DONE_PARSE_ERROR;
+ break;
+
+ default:
+ g_assert_not_reached ();
+ return;
+ }
+
+ gtk_signal_emit (GTK_OBJECT (query), query_signals[QUERY_DONE],
+ status, error_str);
+}
+
+/* Callback used when an error occurs when evaluating the query */
+static void
+eval_error_cb (QueryListener *ql,
+ const CORBA_char *error_str,
+ gpointer data)
+{
+ CalQuery *query;
+
+ query = CAL_QUERY (data);
+
+ gtk_signal_emit (GTK_OBJECT (query), query_signals[EVAL_ERROR],
+ error_str);
+}
+
+/**
+ * cal_query_construct:
+ * @query: A calendar query.
+ * @cal: Handle to an open calendar.
+ * @sexp: S-expression that defines the query.
+ *
+ * Constructs a query object by issuing the query creation request to the
+ * calendar server.
+ *
+ * Return value: The same value as @query on success, or NULL if the request
+ * failed.
+ **/
+CalQuery *
+cal_query_construct (CalQuery *query,
+ GNOME_Evolution_Calendar_Cal cal,
+ const char *sexp)
+{
+ CalQueryPrivate *priv;
+ GNOME_Evolution_Calendar_QueryListener corba_ql;
+ CORBA_Environment ev;
+
+ g_return_val_if_fail (query != NULL, NULL);
+ g_return_val_if_fail (IS_CAL_QUERY (query), NULL);
+ g_return_val_if_fail (sexp != NULL, NULL);
+
+ priv = query->priv;
+
+ priv->ql = query_listener_new (obj_updated_cb,
+ obj_removed_cb,
+ query_done_cb,
+ eval_error_cb,
+ query);
+ if (!priv->ql) {
+ g_message ("cal_query_construct(): Could not create the query listener");
+ return NULL;
+ }
+
+ corba_ql = BONOBO_OBJREF (priv->ql);
+
+ CORBA_exception_init (&ev);
+ priv->corba_query = GNOME_Evolution_Calendar_Cal_getQuery (cal, sexp, corba_ql, &ev);
+
+ if (ev._major == CORBA_USER_EXCEPTION
+ && strcmp (CORBA_exception_id (&ev),
+ ex_GNOME_Evolution_Calendar_Cal_CouldNotCreate) == 0) {
+ g_message ("cal_query_construct(): The server could not create the query");
+ goto error;
+ } else if (ev._major != CORBA_NO_EXCEPTION) {
+ g_message ("cal_query_construct(): Could not issue the getQuery() request");
+ goto error;
+ }
+
+ CORBA_exception_free (&ev);
+
+ return query;
+
+ error:
+
+ CORBA_exception_free (&ev);
+
+ bonobo_object_unref (BONOBO_OBJECT (priv->ql));
+ priv->ql = NULL;
+ return NULL;
+}
+
+/**
+ * cal_query_new:
+ * @cal: Handle to an open calendar.
+ * @sexp: S-expression that defines the query.
+ *
+ * Creates a new query object by issuing the query creation request to the
+ * calendar server.
+ *
+ * Return value: A newly-created query object, or NULL if the request failed.
+ **/
+CalQuery *
+cal_query_new (GNOME_Evolution_Calendar_Cal cal,
+ const char *sexp)
+{
+ CalQuery *query;
+
+ query = gtk_type_new (CAL_QUERY_TYPE);
+
+ if (!cal_query_construct (query, cal, sexp)) {
+ gtk_object_unref (GTK_OBJECT (query));
+ return NULL;
+ }
+
+ return query;
+}