Redo Filters/Search folder editors to use a shared non ui based library for

making search folders running remotely.

1 files changed, 380 insertions, 0 deletions

diff --git a/libemail-utils/em-vfolder-rule.c b/libemail-utils/em-vfolder-rule.c
new file mode 100644
index 0000000000..9cf69544f1
--- /dev/null
+++ b/libemail-utils/em-vfolder-rule.c
@@ -0,0 +1,380 @@
+/*
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) version 3.
+ *
+ * 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
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with the program; if not, see <http://www.gnu.org/licenses/>
+ *
+ *
+ * Authors:
+ *		Not Zed <notzed@lostzed.mmc.com.au>
+ *      Jeffrey Stedfast <fejj@ximian.com>
+ *
+ * Copyright (C) 1999-2008 Novell, Inc. (www.novell.com)
+ *
+ */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#include <string.h>
+
+#include <gtk/gtk.h>
+#include <glib/gi18n.h>
+
+#include <libevolution-utils/e-alert.h>
+
+#include <libemail-engine/e-mail-folder-utils.h>
+
+#include "em-vfolder-context.h"
+#include "em-vfolder-rule.h"
+
+#define EM_VFOLDER_RULE_GET_PRIVATE(obj) \
+	(G_TYPE_INSTANCE_GET_PRIVATE \
+	((obj), EM_TYPE_VFOLDER_RULE, EMVFolderRulePrivate))
+
+#define EM_VFOLDER_RULE_GET_PRIVATE(obj) \
+	(G_TYPE_INSTANCE_GET_PRIVATE \
+	((obj), EM_TYPE_VFOLDER_RULE, EMVFolderRulePrivate))
+
+struct _EMVFolderRulePrivate {
+	int foo;
+};
+
+static gint validate (EFilterRule *, EAlert **alert);
+static gint vfolder_eq (EFilterRule *fr, EFilterRule *cm);
+static xmlNodePtr xml_encode (EFilterRule *);
+static gint xml_decode (EFilterRule *, xmlNodePtr, ERuleContext *f);
+static void rule_copy (EFilterRule *dest, EFilterRule *src);
+static GtkWidget *get_widget (EFilterRule *fr, ERuleContext *f);
+
+/* DO NOT internationalise these strings */
+static const gchar *with_names[] = {
+	"specific",
+	"local_remote_active",
+	"remote_active",
+	"local"
+};
+
+G_DEFINE_TYPE (
+	EMVFolderRule,
+	em_vfolder_rule,
+	E_TYPE_FILTER_RULE)
+
+
+static void
+vfolder_rule_dispose (GObject *object)
+{
+	EMVFolderRulePrivate *priv;
+
+	priv = EM_VFOLDER_RULE_GET_PRIVATE (object);
+
+	/* Chain up to parent's dispose() method. */
+	G_OBJECT_CLASS (em_vfolder_rule_parent_class)->dispose (object);
+}
+
+static void
+vfolder_rule_finalize (GObject *object)
+{
+	EMVFolderRule *rule = EM_VFOLDER_RULE (object);
+	gchar *uri;
+
+	while ((uri = g_queue_pop_head (&rule->sources)) != NULL)
+		g_free (uri);
+
+	/* Chain up to parent's finalize() method. */
+	G_OBJECT_CLASS (em_vfolder_rule_parent_class)->finalize (object);
+}
+
+static void
+em_vfolder_rule_class_init (EMVFolderRuleClass *class)
+{
+	GObjectClass *object_class;
+	EFilterRuleClass *filter_rule_class;
+
+	g_type_class_add_private (class, sizeof (EMVFolderRulePrivate));
+
+	object_class = G_OBJECT_CLASS (class);
+	object_class->dispose = vfolder_rule_dispose;
+	object_class->finalize = vfolder_rule_finalize;
+
+	filter_rule_class = E_FILTER_RULE_CLASS (class);
+	filter_rule_class->validate = validate;
+	filter_rule_class->eq = vfolder_eq;
+	filter_rule_class->xml_encode = xml_encode;
+	filter_rule_class->xml_decode = xml_decode;
+	filter_rule_class->copy = rule_copy;
+	filter_rule_class->get_widget = get_widget;
+}
+
+static void
+em_vfolder_rule_init (EMVFolderRule *rule)
+{
+	rule->priv = EM_VFOLDER_RULE_GET_PRIVATE (rule);
+	rule->with = EM_VFOLDER_RULE_WITH_SPECIFIC;
+	rule->rule.source = g_strdup ("incoming");
+}
+
+EFilterRule *
+em_vfolder_rule_new ()
+{
+	return g_object_new (
+		EM_TYPE_VFOLDER_RULE, NULL);
+}
+
+void
+em_vfolder_rule_add_source (EMVFolderRule *rule,
+                            const gchar *uri)
+{
+	g_return_if_fail (EM_IS_VFOLDER_RULE (rule));
+	g_return_if_fail (uri);
+
+	g_queue_push_tail (&rule->sources, g_strdup (uri));
+
+	e_filter_rule_emit_changed (E_FILTER_RULE (rule));
+}
+
+const gchar *
+em_vfolder_rule_find_source (EMVFolderRule *rule,
+                             const gchar *uri)
+{
+	GList *link;
+
+	g_return_val_if_fail (EM_IS_VFOLDER_RULE (rule), NULL);
+
+	/* only does a simple string or address comparison, should
+	 * probably do a decoded url comparison */
+	link = g_queue_find_custom (
+		&rule->sources, uri, (GCompareFunc) strcmp);
+
+	return (link != NULL) ? link->data : NULL;
+}
+
+void
+em_vfolder_rule_remove_source (EMVFolderRule *rule,
+                               const gchar *uri)
+{
+	gchar *found;
+
+	g_return_if_fail (EM_IS_VFOLDER_RULE (rule));
+
+	found =(gchar *) em_vfolder_rule_find_source (rule, uri);
+	if (found != NULL) {
+		g_queue_remove (&rule->sources, found);
+		g_free (found);
+		e_filter_rule_emit_changed (E_FILTER_RULE (rule));
+	}
+}
+
+const gchar *
+em_vfolder_rule_next_source (EMVFolderRule *rule,
+                             const gchar *last)
+{
+	GList *link;
+
+	if (last == NULL) {
+		link = g_queue_peek_head_link (&rule->sources);
+	} else {
+		link = g_queue_find (&rule->sources, last);
+		if (link == NULL)
+			link = g_queue_peek_head_link (&rule->sources);
+		else
+			link = g_list_next (link);
+	}
+
+	return (link != NULL) ? link->data : NULL;
+}
+
+static gint
+validate (EFilterRule *fr,
+          EAlert **alert)
+{
+	g_return_val_if_fail (fr != NULL, 0);
+	g_warn_if_fail (alert == NULL || *alert == NULL);
+
+	if (!fr->name || !*fr->name) {
+		if (alert)
+			*alert = e_alert_new ("mail:no-name-vfolder", NULL);
+		return 0;
+	}
+
+	/* We have to have at least one source set in the "specific" case.
+	 * Do not translate this string! */
+	if (((EMVFolderRule *) fr)->with == EM_VFOLDER_RULE_WITH_SPECIFIC &&
+		g_queue_is_empty (&((EMVFolderRule *) fr)->sources)) {
+		if (alert)
+			*alert = e_alert_new ("mail:vfolder-no-source", NULL);
+		return 0;
+	}
+
+	return E_FILTER_RULE_CLASS (em_vfolder_rule_parent_class)->validate (fr, alert);
+}
+
+static gint
+queue_eq (GQueue *queue_a,
+          GQueue *queue_b)
+{
+	GList *link_a;
+	GList *link_b;
+	gint truth = TRUE;
+
+	link_a = g_queue_peek_head_link (queue_a);
+	link_b = g_queue_peek_head_link (queue_b);
+
+	while (truth && link_a != NULL && link_b != NULL) {
+		gchar *uri_a = link_a->data;
+		gchar *uri_b = link_b->data;
+
+		truth = (strcmp (uri_a, uri_b)== 0);
+
+		link_a = g_list_next (link_a);
+		link_b = g_list_next (link_b);
+	}
+
+	return truth && link_a == NULL && link_b == NULL;
+}
+
+static gint
+vfolder_eq (EFilterRule *fr,
+            EFilterRule *cm)
+{
+	return E_FILTER_RULE_CLASS (em_vfolder_rule_parent_class)->eq (fr, cm)
+		&& queue_eq (
+			&((EMVFolderRule *) fr)->sources,
+			&((EMVFolderRule *) cm)->sources);
+}
+
+static xmlNodePtr
+xml_encode (EFilterRule *fr)
+{
+	EMVFolderRule *vr =(EMVFolderRule *) fr;
+	xmlNodePtr node, set, work;
+	GList *head, *link;
+
+	node = E_FILTER_RULE_CLASS (em_vfolder_rule_parent_class)->xml_encode (fr);
+	g_return_val_if_fail (node != NULL, NULL);
+	g_return_val_if_fail (vr->with < G_N_ELEMENTS (with_names), NULL);
+
+	set = xmlNewNode(NULL, (const guchar *)"sources");
+	xmlAddChild (node, set);
+	xmlSetProp(set, (const guchar *)"with", (guchar *)with_names[vr->with]);
+
+	head = g_queue_peek_head_link (&vr->sources);
+	for (link = head; link != NULL; link = g_list_next (link)) {
+		const gchar *uri = link->data;
+
+		work = xmlNewNode (NULL, (const guchar *) "folder");
+		xmlSetProp (work, (const guchar *) "uri", (guchar *) uri);
+		xmlAddChild (set, work);
+	}
+
+	return node;
+}
+
+static void
+set_with (EMVFolderRule *vr,
+          const gchar *name)
+{
+	gint i;
+
+	for (i = 0; i < G_N_ELEMENTS (with_names); i++) {
+		if (!strcmp (name, with_names[i])) {
+			vr->with = i;
+			return;
+		}
+	}
+
+	vr->with = 0;
+}
+
+static gint
+xml_decode (EFilterRule *fr,
+            xmlNodePtr node,
+            ERuleContext *f)
+{
+	xmlNodePtr set, work;
+	gint result;
+	EMVFolderRule *vr =(EMVFolderRule *) fr;
+	gchar *tmp;
+
+	result = E_FILTER_RULE_CLASS (em_vfolder_rule_parent_class)->
+		xml_decode (fr, node, f);
+	if (result != 0)
+		return result;
+
+	/* handle old format file, vfolder source is in filterrule */
+	if (strcmp(fr->source, "incoming")!= 0) {
+		set_with (vr, fr->source);
+		g_free (fr->source);
+		fr->source = g_strdup("incoming");
+	}
+
+	set = node->children;
+	while (set) {
+		if (!strcmp((gchar *)set->name, "sources")) {
+			tmp = (gchar *)xmlGetProp(set, (const guchar *)"with");
+			if (tmp) {
+				set_with (vr, tmp);
+				xmlFree (tmp);
+			}
+			work = set->children;
+			while (work) {
+				if (!strcmp((gchar *)work->name, "folder")) {
+					tmp = (gchar *)xmlGetProp(work, (const guchar *)"uri");
+					if (tmp) {
+						g_queue_push_tail (&vr->sources, g_strdup (tmp));
+						xmlFree (tmp);
+					}
+				}
+				work = work->next;
+			}
+		}
+		set = set->next;
+	}
+	return 0;
+}
+
+static void
+rule_copy (EFilterRule *dest,
+           EFilterRule *src)
+{
+	EMVFolderRule *vdest, *vsrc;
+	GList *head, *link;
+	gchar *uri;
+
+	vdest =(EMVFolderRule *) dest;
+	vsrc =(EMVFolderRule *) src;
+
+	while ((uri = g_queue_pop_head (&vdest->sources)) != NULL)
+		g_free (uri);
+
+	head = g_queue_peek_head_link (&vsrc->sources);
+	for (link = head; link != NULL; link = g_list_next (link)) {
+		const gchar *uri = link->data;
+		g_queue_push_tail (&vdest->sources, g_strdup (uri));
+	}
+
+	vdest->with = vsrc->with;
+
+	E_FILTER_RULE_CLASS (em_vfolder_rule_parent_class)->copy (dest, src);
+}
+
+static GtkWidget *
+get_widget (EFilterRule *fr,
+            ERuleContext *rc)
+{
+	GtkWidget *widget;
+
+	widget = E_FILTER_RULE_CLASS (em_vfolder_rule_parent_class)->
+		get_widget (fr, rc);
+
+	return widget;
+}