added new files to have a new hook for implementing junk plugins

2005-07-06  Vivek Jain <jvivek@novell.com>

	* em-junk-hook.[ch] : added new files to have a new hook for
	implementing junk plugins

svn path=/trunk/; revision=29642

1 files changed, 367 insertions, 0 deletions

diff --git a/mail/em-junk-hook.c b/mail/em-junk-hook.c
new file mode 100644
index 0000000000..2265fc3560
--- /dev/null
+++ b/mail/em-junk-hook.c
@@ -0,0 +1,367 @@
+/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
+/*
+ *  Authors: Vivek Jain <jvivek@novell.com>
+ *
+ *  Copyright 2005 Novell, Inc. (www.novell.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 Street #330, Boston, MA 02111-1307, USA.
+ *
+ */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#include <string.h>
+#include <stdlib.h>
+#include <glib.h>
+#include "em-junk-hook.h"
+#include "mail-session.h"
+#include <e-util/e-icon-factory.h>
+#include <camel/camel-junk-plugin.h>
+#include <glib/gi18n.h>
+
+static GHashTable *emjh_types;
+static GObjectClass *parent_class = NULL;
+
+static void *emjh_parent_class;
+static GObjectClass *emj_parent;
+#define emjh ((EMJunkHook *)eph)
+
+#define d(x)
+
+static const EPluginHookTargetKey emjh_flag_map[] = {
+	{ 0 }
+};
+
+/* ********************************************************************** */
+
+/* Mail junk plugin */
+
+/*
+  <hook class="org.gnome.evolution.mail.junk:1.0">
+  <group id="EMJunk">
+     <item check_junk="sa_check_junk"
+     	   report_junk="sa_report_junk"
+	   report_non_junk="sa_report_non_junk"
+	   commit_reports = "sa_commit_reports"/>
+  </group>
+  </hook>
+
+*/
+
+static void 
+em_junk_init(CamelJunkPlugin *csp)
+{
+}
+
+static const char *
+em_junk_get_name (CamelJunkPlugin *csp)
+{
+	struct _EMJunkHookItem *item = (EMJunkHookItem *)csp;
+
+	if (item->hook && item->hook->hook.plugin->enabled) {
+		return (item->hook->hook.plugin->name);
+	} else
+		return 	_("None");
+
+}
+
+static gboolean 
+em_junk_check_junk(CamelJunkPlugin *csp, CamelMimeMessage *m)
+{
+	struct _EMJunkHookItem *item = (EMJunkHookItem *)csp;
+
+	if (item->hook && item->hook->hook.plugin->enabled) {
+		EMJunkHookTarget target = {
+			  m
+		};
+
+		return (gboolean)(e_plugin_invoke(item->hook->hook.plugin, item->check_junk, &target));
+	}
+
+	return FALSE;
+}
+
+static void 
+em_junk_report_junk(CamelJunkPlugin *csp, CamelMimeMessage *m)
+{
+	struct _EMJunkHookItem *item = (EMJunkHookItem *)csp;
+
+	if (item->hook && item->hook->hook.plugin->enabled) {
+		EMJunkHookTarget target = {
+			  m
+		};
+
+		e_plugin_invoke(item->hook->hook.plugin, item->report_junk, &target);
+	}
+}
+
+static void 
+em_junk_report_non_junk(CamelJunkPlugin *csp, CamelMimeMessage *m)
+{
+	struct _EMJunkHookItem *item = (EMJunkHookItem *)csp;
+
+	if (item->hook && item->hook->hook.plugin->enabled) {
+		EMJunkHookTarget target = {
+			 m
+		};
+		e_plugin_invoke(item->hook->hook.plugin, item->report_non_junk, &target);
+	}
+}
+
+static void 
+em_junk_commit_reports(CamelJunkPlugin *csp)
+{
+	struct _EMJunkHookItem *item = (EMJunkHookItem *)csp;
+
+	if (item->hook && item->hook->hook.plugin->enabled) 
+		e_plugin_invoke(item->hook->hook.plugin, item->commit_reports, NULL);
+
+}
+
+static void 
+emj_dispose (GObject *object)
+{
+	if (parent_class->dispose)
+		parent_class->dispose (object);
+}
+
+static void 
+emj_finalize (GObject *object)
+{
+	if (parent_class->finalize)
+		parent_class->finalize (object);
+}
+
+static void
+emjh_free_item(EMJunkHookItem *item)
+{
+	g_free (item->check_junk);
+	g_free (item->report_junk);
+	g_free (item->report_non_junk);
+	g_free (item->commit_reports);
+	g_free(item);
+}
+
+static void
+emjh_free_group(EMJunkHookGroup *group)
+{
+	g_slist_foreach(group->items, (GFunc)emjh_free_item, NULL);
+	g_slist_free(group->items);
+
+	g_free(group->id);
+	g_free(group);
+}
+
+static struct _EMJunkHookItem *
+emjh_construct_item(EPluginHook *eph, EMJunkHookGroup *group, xmlNodePtr root)
+{
+	struct _EMJunkHookItem *item; 
+	EMJunk junk_plugin = {
+		{
+			em_junk_get_name,
+			1,
+			em_junk_check_junk,
+			em_junk_report_junk,
+			em_junk_report_non_junk,
+			em_junk_commit_reports,
+			em_junk_init,
+		}
+	};
+
+	d(printf("  loading group item\n"));
+	item = g_malloc0(sizeof(*item));
+	item->csp =  junk_plugin.csp;
+	item->check_junk = e_plugin_xml_prop(root, "check_junk");
+	item->report_junk = e_plugin_xml_prop(root, "report_junk");
+	item->report_non_junk = e_plugin_xml_prop(root, "report_non_junk");
+	item->commit_reports = e_plugin_xml_prop(root, "commit_reports");
+	item->hook = emjh;
+	
+	if (item->check_junk == NULL || item->report_junk == NULL || item->report_non_junk == NULL || item->commit_reports == NULL)
+		goto error;
+	
+	/* assign the plugin to the session*/
+	session->junk_plugin = CAMEL_JUNK_PLUGIN (&(item->csp));
+	
+	return item;
+error:
+	printf ("ERROR");
+	emjh_free_item (item);
+	return NULL;
+}
+
+static struct _EMJunkHookGroup *
+emjh_construct_group(EPluginHook *eph, xmlNodePtr root)
+{
+	struct _EMJunkHookGroup *group;
+	xmlNodePtr node;
+
+	d(printf(" loading group\n"));
+	group = g_malloc0(sizeof(*group));
+
+	group->id = e_plugin_xml_prop(root, "id");
+	if (group->id == NULL)
+		goto error;
+
+	node = root->children;
+	
+	/* We'll processs only  the first item from xml file*/
+	while (node) {
+		if (0 == strcmp(node->name, "item")) {
+			struct _EMJunkHookItem *item;
+
+			item = emjh_construct_item(eph, group, node);
+			if (item)
+				group->items = g_slist_append(group->items, item);
+			break;
+		}
+		
+		node = node->next;
+	}
+
+	return group;
+error:
+	emjh_free_group(group);
+	
+	return NULL;
+}
+
+static int
+emjh_construct(EPluginHook *eph, EPlugin *ep, xmlNodePtr root)
+{
+	xmlNodePtr node;
+	static gboolean loaded = FALSE;
+		
+	d(printf("loading junk hook\n"));
+
+	if (((EPluginHookClass *)emjh_parent_class)->construct(eph, ep, root) == -1)
+		return -1;
+
+	if (loaded) {
+		g_warning ("Can't load multiple plugins to this hook:ignored");
+		return -1;
+	}
+
+	node = root->children;
+	while (node) {
+		if (strcmp(node->name, "group") == 0) {
+			struct _EMJunkHookGroup *group;
+
+			group = emjh_construct_group(eph, node);
+			if (group) {
+				emjh->groups = g_slist_append(emjh->groups, group);
+			}
+		}
+		node = node->next;
+	}
+	
+	eph->plugin = ep;
+	loaded = TRUE;
+
+	return 0;
+}
+
+/*XXX: don't think we need here*/
+static void
+emjh_enable(EPluginHook *eph, int state)
+{
+	GSList *g;
+	
+	g = emjh->groups;
+	if (emjh_types == NULL)
+		return;
+
+}
+
+static void
+emjh_finalise(GObject *o)
+{
+	EPluginHook *eph = (EPluginHook *)o;
+
+	g_slist_foreach(emjh->groups, (GFunc)emjh_free_group, NULL);
+	g_slist_free(emjh->groups);
+
+	((GObjectClass *)emjh_parent_class)->finalize(o);
+}
+
+static void
+emjh_class_init(EPluginHookClass *klass)
+{
+	((GObjectClass *)klass)->finalize = emjh_finalise;
+	klass->construct = emjh_construct;
+	klass->enable = emjh_enable;
+	klass->id = "org.gnome.evolution.mail.junk:1.0";
+}
+
+GType
+em_junk_hook_get_type(void)
+{
+	static GType type = 0;
+	
+	if (!type) {
+		static const GTypeInfo info = {
+			sizeof(EMJunkHookClass), NULL, NULL, (GClassInitFunc) emjh_class_init, NULL, NULL,
+			sizeof(EMJunkHook), 0, (GInstanceInitFunc) NULL,
+		};
+
+		emjh_parent_class = g_type_class_ref(e_plugin_hook_get_type());
+		type = g_type_register_static(e_plugin_hook_get_type(), "EMJunkHook", &info, 0);
+	}
+	
+	return type;
+}
+
+static void
+emj_class_init (EMJunkClass *klass)
+{
+	GObjectClass *object_class = G_OBJECT_CLASS (klass);
+	parent_class = g_type_class_peek_parent (klass);
+	object_class->dispose = emj_dispose;
+	object_class->finalize = emj_finalize;
+}
+
+GType
+emj_get_type(void)
+{
+	static GType type = 0;
+	
+	if (!type) {
+		static const GTypeInfo info = {
+			sizeof(EMJunkClass), NULL, NULL, (GClassInitFunc) emj_class_init, NULL, NULL,
+			sizeof(EMJunk), 0, (GInstanceInitFunc) NULL,
+		};
+
+		emj_parent = g_type_class_ref(G_TYPE_OBJECT);
+		type = g_type_register_static(G_TYPE_OBJECT, "EMJunk", &info, 0);
+	}
+	
+	return type;
+}
+
+void 
+em_junk_hook_register_type(GType type)
+{
+	EMJunk *klass;
+
+	if (emjh_types == NULL)
+		emjh_types = g_hash_table_new(g_str_hash, g_str_equal);
+
+	d(printf("registering junk plugin type '%s'\n", g_type_name(type)));
+
+	klass = g_type_class_ref(type);
+	g_hash_table_insert(emjh_types, (void *)g_type_name(type), klass);
+}