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-rw-r--r--libemail-utils/em-vfolder-rule.c380
1 files changed, 380 insertions, 0 deletions
diff --git a/libemail-utils/em-vfolder-rule.c b/libemail-utils/em-vfolder-rule.c
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+++ b/libemail-utils/em-vfolder-rule.c
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+/*
+ * 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;
+}
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