[darcs-to-svn @ initial import]

svn path=/trunk/; revision=2

1 files changed, 286 insertions, 0 deletions

diff --git a/libempathy-gtk/gossip-contact-groups.c b/libempathy-gtk/gossip-contact-groups.c
new file mode 100644
index 000000000..8a6afda11
--- /dev/null
+++ b/libempathy-gtk/gossip-contact-groups.c
@@ -0,0 +1,286 @@
+/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
+/*
+ * Copyright (C) 2005-2007 Imendio AB
+ *
+ * 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.
+ *
+ * Authors: Martyn Russell <martyn@imendio.com>
+ */
+
+#include "config.h"
+
+#include <string.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+
+#include <glib.h>
+#include <glib/gi18n.h>
+
+#include <libxml/parser.h>
+#include <libxml/tree.h>
+
+#include <libempathy/gossip-debug.h>
+#include <libempathy/gossip-utils.h>
+
+#include "gossip-contact-groups.h"
+
+#define DEBUG_DOMAIN "ContactGroups"
+
+#define CONTACT_GROUPS_XML_FILENAME "contact-groups.xml"
+#define CONTACT_GROUPS_DTD_FILENAME "gossip-contact-groups.dtd"
+
+typedef struct {
+	gchar    *name;
+	gboolean  expanded;
+} ContactGroup;
+
+static void          contact_groups_file_parse (const gchar  *filename);
+static gboolean      contact_groups_file_save  (void);
+static ContactGroup *contact_group_new         (const gchar  *name,
+						gboolean      expanded);
+static void          contact_group_free        (ContactGroup *group);
+
+static GList *groups = NULL;
+
+void
+gossip_contact_groups_get_all (void)
+{
+	gchar *dir;
+	gchar *file_with_path;
+
+	/* If already set up clean up first */
+	if (groups) {
+		g_list_foreach (groups, (GFunc)contact_group_free, NULL);
+		g_list_free (groups);
+		groups = NULL;
+	}
+
+	dir = g_build_filename (g_get_home_dir (), ".gnome2", PACKAGE_NAME, NULL);
+	file_with_path = g_build_filename (dir, CONTACT_GROUPS_XML_FILENAME, NULL);
+	g_free (dir);
+
+	if (g_file_test (file_with_path, G_FILE_TEST_EXISTS)) {
+		contact_groups_file_parse (file_with_path);
+	}
+
+	g_free (file_with_path);
+}
+
+static void
+contact_groups_file_parse (const gchar *filename)
+{
+	xmlParserCtxtPtr ctxt;
+	xmlDocPtr        doc;
+	xmlNodePtr       contacts;
+	xmlNodePtr       account;
+	xmlNodePtr       node;
+
+	gossip_debug (DEBUG_DOMAIN, "Attempting to parse file:'%s'...", filename);
+
+	ctxt = xmlNewParserCtxt ();
+
+	/* Parse and validate the file. */
+	doc = xmlCtxtReadFile (ctxt, filename, NULL, 0);
+	if (!doc) {
+		g_warning ("Failed to parse file:'%s'", filename);
+		xmlFreeParserCtxt (ctxt);
+		return;
+	}
+
+	if (!gossip_xml_validate (doc, CONTACT_GROUPS_DTD_FILENAME)) {
+		g_warning ("Failed to validate file:'%s'", filename);
+		xmlFreeDoc(doc);
+		xmlFreeParserCtxt (ctxt);
+		return;
+	}
+
+	/* The root node, contacts. */
+	contacts = xmlDocGetRootElement (doc);
+
+	account = NULL;
+	node = contacts->children;
+	while (node) {
+		if (strcmp ((gchar *) node->name, "account") == 0) {
+			account = node;
+			break;
+		}
+		node = node->next;
+	}
+
+	node = NULL;
+	if (account) {
+		node = account->children;
+	}
+
+	while (node) {
+		if (strcmp ((gchar *) node->name, "group") == 0) {
+			gchar        *name;
+			gchar        *expanded_str;
+			gboolean      expanded;
+			ContactGroup *contact_group;
+
+			name = (gchar *) xmlGetProp (node, "name");
+			expanded_str = (gchar *) xmlGetProp (node, "expanded");
+
+			if (expanded_str && strcmp (expanded_str, "yes") == 0) {
+				expanded = TRUE;
+			} else {
+				expanded = FALSE;
+			}
+
+			contact_group = contact_group_new (name, expanded);
+			groups = g_list_append (groups, contact_group);
+
+			xmlFree (name);
+			xmlFree (expanded_str);
+		}
+
+		node = node->next;
+	}
+
+	gossip_debug (DEBUG_DOMAIN, "Parsed %d contact groups", g_list_length (groups));
+
+	xmlFreeDoc(doc);
+	xmlFreeParserCtxt (ctxt);
+}
+
+static ContactGroup *
+contact_group_new (const gchar *name,
+		   gboolean     expanded)
+{
+	ContactGroup *group;
+
+	group = g_new0 (ContactGroup, 1);
+
+	group->name = g_strdup (name);
+	group->expanded = expanded;
+
+	return group;
+}
+
+static void
+contact_group_free (ContactGroup *group)
+{
+	g_return_if_fail (group != NULL);
+
+	g_free (group->name);
+
+	g_free (group);
+}
+
+static gboolean
+contact_groups_file_save (void)
+{
+	xmlDocPtr   doc;
+	xmlNodePtr  root;
+	xmlNodePtr  node;
+	GList      *l;
+	gchar      *dir;
+	gchar      *file;
+
+	dir = g_build_filename (g_get_home_dir (), ".gnome2", PACKAGE_NAME, NULL);
+	g_mkdir_with_parents (dir, S_IRUSR | S_IWUSR | S_IXUSR);
+	file = g_build_filename (dir, CONTACT_GROUPS_XML_FILENAME, NULL);
+	g_free (dir);
+
+	doc = xmlNewDoc ("1.0");
+	root = xmlNewNode (NULL, "contacts");
+	xmlDocSetRootElement (doc, root);
+
+	node = xmlNewChild (root, NULL, "account", NULL);
+	xmlNewProp (node, "name", "Default");
+
+	for (l = groups; l; l = l->next) {
+		ContactGroup *cg;
+		xmlNodePtr    subnode;
+
+		cg = l->data;
+
+		subnode = xmlNewChild (node, NULL, "group", NULL);
+		xmlNewProp (subnode, "expanded", cg->expanded ? "yes" : "no");
+		xmlNewProp (subnode, "name", cg->name);
+	}
+
+	/* Make sure the XML is indented properly */
+	xmlIndentTreeOutput = 1;
+
+	gossip_debug (DEBUG_DOMAIN, "Saving file:'%s'", file);
+	xmlSaveFormatFileEnc (file, doc, "utf-8", 1);
+	xmlFreeDoc (doc);
+
+	xmlCleanupParser ();
+	xmlMemoryDump ();
+
+	g_free (file);
+
+	return TRUE;
+}
+
+gboolean
+gossip_contact_group_get_expanded (const gchar *group)
+{
+	GList    *l;
+	gboolean  default_val = TRUE;
+
+	g_return_val_if_fail (group != NULL, default_val);
+
+	for (l = groups; l; l = l->next) {
+		ContactGroup *cg = l->data;
+
+		if (!cg || !cg->name) {
+			continue;
+		}
+
+		if (strcmp (cg->name, group) == 0) {
+			return cg->expanded;
+		}
+	}
+
+	return default_val;
+}
+
+void
+gossip_contact_group_set_expanded (const gchar *group,
+				   gboolean     expanded)
+{
+	GList        *l;
+	ContactGroup *cg;
+	gboolean      changed = FALSE;
+
+	g_return_if_fail (group != NULL);
+
+	for (l = groups; l; l = l->next) {
+		ContactGroup *cg = l->data;
+
+		if (!cg || !cg->name) {
+			continue;
+		}
+
+		if (strcmp (cg->name, group) == 0) {
+			cg->expanded = expanded;
+			changed = TRUE;
+			break;
+		}
+	}
+
+	/* if here... we don't have a ContactGroup for the group. */
+	if (!changed) {
+		cg = contact_group_new (group, expanded);
+		groups = g_list_append (groups, cg);
+	}
+
+	contact_groups_file_save ();
+}