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authorMichael Zucci <zucchi@src.gnome.org>2004-09-20 13:59:55 +0800
committerMichael Zucci <zucchi@src.gnome.org>2004-09-20 13:59:55 +0800
commitef6a3af717132e0750f226fa8a0ee0f3c98e19f0 (patch)
treef4ed25f7a247a8ccb855a8d940777e7a3d21a3e3 /mail/em-format-hook.c
parent96111b1f1487ca3fe454b340a73ba927cc6bfb83 (diff)
downloadgsoc2013-evolution-ef6a3af717132e0750f226fa8a0ee0f3c98e19f0.tar.gz
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Merged notzed-eplugin-2-branch to head.
svn path=/trunk/; revision=27300
Diffstat (limited to 'mail/em-format-hook.c')
-rw-r--r--mail/em-format-hook.c270
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
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+/* -*- 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);
+}