Merged notzed-eplugin-2-branch to head.

svn path=/trunk/; revision=27300

1 files changed, 270 insertions, 0 deletions

diff --git a/mail/em-format-hook.c b/mail/em-format-hook.c
new file mode 100644
index 0000000000..c62e75bb67
--- /dev/null
+++ b/mail/em-format-hook.c
@@ -0,0 +1,270 @@
+/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
+/*
+ *  Authors: Michael Zucchi <notzed@ximian.com>
+ *
+ *  Copyright 2004 Ximian, Inc. (www.ximian.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-format-hook.h"
+
+#include <e-util/e-icon-factory.h>
+
+#include <libgnome/gnome-i18n.h>
+
+
+/* class name -> klass map for EMFormat and subclasses */
+static GHashTable *emfh_types;
+
+/* ********************************************************************** */
+
+/* Mail formatter handler plugin */
+
+/*
+  <hook class="com.novell.evolution.mail.format:1.0">
+  <group id="EMFormatHTML">
+     <item flags="inline,inline_disposition"
+           mime_type="text/vcard"
+	   format="format_vcard"/>
+  </group>
+  </hook>
+
+*/
+
+static void *emfh_parent_class;
+#define emfh ((EMFormatHook *)eph)
+
+static const EPluginHookTargetKey emfh_flag_map[] = {
+	{ "inline", EM_FORMAT_HANDLER_INLINE },
+	{ "inline_disposition", EM_FORMAT_HANDLER_INLINE_DISPOSITION },
+	{ 0 }
+};
+
+static void
+emfh_format_format(EMFormat *md, struct _CamelStream *stream, struct _CamelMimePart *part, const EMFormatHandler *info)
+{
+	struct _EMFormatHookItem *item = (EMFormatHookItem *)info;
+	EMFormatHookTarget target = {
+		md, stream, part, item
+	};
+
+	e_plugin_invoke(item->hook->hook.plugin, item->format, &target);
+}
+
+static void
+emfh_free_item(struct _EMFormatHookItem *item)
+{
+	/* FIXME: remove from formatter class */
+
+	g_free(item->handler.mime_type);
+	g_free(item->format);
+	g_free(item);
+}
+
+static void
+emfh_free_group(struct _EMFormatHookGroup *group)
+{
+	g_slist_foreach(group->items, (GFunc)emfh_free_item, NULL);
+	g_slist_free(group->items);
+
+	g_free(group->id);
+	g_free(group);
+}
+
+static struct _EMFormatHookItem *
+emfh_construct_item(EPluginHook *eph, EMFormatHookGroup *group, xmlNodePtr root)
+{
+	struct _EMFormatHookItem *item;
+
+	printf("  loading group item\n");
+	item = g_malloc0(sizeof(*item));
+
+	item->handler.mime_type = e_plugin_xml_prop(root, "mime_type");
+	item->handler.flags = e_plugin_hook_mask(root, emfh_flag_map, "flags");
+	item->format = e_plugin_xml_prop(root, "format");
+
+	item->handler.handler = emfh_format_format;
+	item->hook = emfh;
+
+	if (item->handler.mime_type == NULL || item->format == NULL)
+		goto error;
+
+	printf("   type='%s' format='%s'\n", item->handler.mime_type, item->format);
+
+	return item;
+error:
+	printf("error!\n");
+	emfh_free_item(item);
+	return NULL;
+}
+
+static struct _EMFormatHookGroup *
+emfh_construct_group(EPluginHook *eph, xmlNodePtr root)
+{
+	struct _EMFormatHookGroup *group;
+	xmlNodePtr node;
+
+	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;
+	while (node) {
+		if (0 == strcmp(node->name, "item")) {
+			struct _EMFormatHookItem *item;
+
+			item = emfh_construct_item(eph, group, node);
+			if (item)
+				group->items = g_slist_append(group->items, item);
+		}
+		node = node->next;
+	}
+
+	return group;
+error:
+	emfh_free_group(group);
+	return NULL;
+}
+
+static int
+emfh_construct(EPluginHook *eph, EPlugin *ep, xmlNodePtr root)
+{
+	xmlNodePtr node;
+
+	printf("loading format hook\n");
+
+	if (((EPluginHookClass *)emfh_parent_class)->construct(eph, ep, root) == -1)
+		return -1;
+
+	node = root->children;
+	while (node) {
+		if (strcmp(node->name, "group") == 0) {
+			struct _EMFormatHookGroup *group;
+
+			group = emfh_construct_group(eph, node);
+			if (group) {
+				EMFormatClass *klass;
+
+				if (emfh_types
+				    && (klass = g_hash_table_lookup(emfh_types, group->id))) {
+					GSList *l = group->items;
+
+					for (;l;l=g_slist_next(l)) {
+						EMFormatHookItem *item = l->data;
+						/* TODO: only add handlers if enabled? */
+						em_format_class_add_handler(klass, &item->handler);
+					}
+				}
+				/* We don't actually need to keep this around once its set on the class */
+				emfh->groups = g_slist_append(emfh->groups, group);
+			}
+		}
+		node = node->next;
+	}
+
+	eph->plugin = ep;
+
+	return 0;
+}
+
+static void
+emfh_enable(EPluginHook *eph, int state)
+{
+	GSList *g, *l;
+	EMFormatClass *klass;
+
+	g = emfh->groups;
+	if (emfh_types == NULL)
+		return;
+
+	for (;g;g=g_slist_next(g)) {
+		struct _EMFormatHookGroup *group = g->data;
+
+		klass = g_hash_table_lookup(emfh_types, group->id);
+		for (l=group->items;l;g=g_slist_next(l)) {
+			EMFormatHookItem *item = l->data;
+
+			if (state)
+				em_format_class_add_handler(klass, &item->handler);
+			else
+				em_format_class_remove_handler(klass, &item->handler);
+		}
+	}
+}
+
+static void
+emfh_finalise(GObject *o)
+{
+	EPluginHook *eph = (EPluginHook *)o;
+
+	g_slist_foreach(emfh->groups, (GFunc)emfh_free_group, NULL);
+	g_slist_free(emfh->groups);
+
+	((GObjectClass *)emfh_parent_class)->finalize(o);
+}
+
+static void
+emfh_class_init(EPluginHookClass *klass)
+{
+	((GObjectClass *)klass)->finalize = emfh_finalise;
+	klass->construct = emfh_construct;
+	klass->enable = emfh_enable;
+	klass->id = "com.novell.evolution.mail.format:1.0";
+}
+
+GType
+em_format_hook_get_type(void)
+{
+	static GType type = 0;
+	
+	if (!type) {
+		static const GTypeInfo info = {
+			sizeof(EMFormatHookClass), NULL, NULL, (GClassInitFunc) emfh_class_init, NULL, NULL,
+			sizeof(EMFormatHook), 0, (GInstanceInitFunc) NULL,
+		};
+
+		emfh_parent_class = g_type_class_ref(e_plugin_hook_get_type());
+		type = g_type_register_static(e_plugin_hook_get_type(), "EMFormatHook", &info, 0);
+	}
+	
+	return type;
+}
+
+void em_format_hook_register_type(GType type)
+{
+	EMFormatClass *klass;
+
+	if (emfh_types == NULL)
+		emfh_types = g_hash_table_new(g_str_hash, g_str_equal);
+
+	printf("registering formatter type '%s'\n", g_type_name(type));
+
+	klass = g_type_class_ref(type);
+	g_hash_table_insert(emfh_types, (void *)g_type_name(type), klass);
+}