new class for implementing a backend cache for the calendar queries.

2002-07-31  Rodrigo Moya <rodrigo@ximian.com>

	* pcs/query-backend.[ch]: new class for implementing a backend cache
	for the calendar queries.

	* pcs/Makefile.am: added new files.

svn path=/trunk/; revision=17668

1 files changed, 53 insertions, 0 deletions

diff --git a/calendar/pcs/query-backend.h b/calendar/pcs/query-backend.h
new file mode 100644
index 0000000000..835c42a8fd
--- /dev/null
+++ b/calendar/pcs/query-backend.h
@@ -0,0 +1,53 @@
+/* Evolution calendar - Backend cache for calendar queries.
+ *
+ * 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 version 2 of the GNU General Public
+ * License as published by the Free Software Foundation.
+ *
+ * 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_BACKEND_H
+#define QUERY_BACKEND_H
+
+#include "cal-backend.h"
+#include "query.h"
+
+BEGIN_GNOME_DECLS
+
+#define QUERY_BACKEND_TYPE            (query_backend_get_type ())
+#define QUERY_BACKEND(obj)            (GTK_CHECK_CAST ((obj), QUERY_BACKEND_TYPE, QueryBackend))
+#define QUERY_BACKEND_CLASS(klass)    (GTK_CHECK_CLASS_CAST ((klass), QUERY_BACKEND_TYPE, QueryBackendClass))
+#define IS_QUERY_BACKEND(obj)         (GTK_CHECK_TYPE ((obj), QUERY_BACKEND_TYPE))
+#define IS_QUERY_BACKEND_CLASS(klass) (GTK_CHECK_CLASS_TYPE ((klass), QUERY_BACKEND_TYPE))
+
+typedef struct _QueryBackendPrivate QueryBackendPrivate;
+
+typedef struct {
+	GtkObject object;
+
+	/* Private data */
+	QueryBackendPrivate *priv;
+} QueryBackend;
+
+typedef struct {
+	GtkObjectClass parent;
+} QueryBackendClass;
+
+GtkType       query_backend_get_type (void);
+QueryBackend *query_backend_new (Query *query, CalBackend *backend);
+
+END_GNOME_DECLS
+
+#endif