fix bug 2979, 'claws fails to load (empty) folderlist.xml and shows account wizard'
[claws.git] / src / folder.c
index 15c53c5354d93befaffdc723b637003a6e60c1f0..1b4ec03903d676eec50a8113deee414fbacac9de 100644 (file)
@@ -1,6 +1,6 @@
 /*
  * Sylpheed -- a GTK+ based, lightweight, and fast e-mail client
- * Copyright (C) 1999-2009 Hiroyuki Yamamoto and the Claws Mail team
+ * Copyright (C) 1999-2012 Hiroyuki Yamamoto and the Claws Mail team
  *
  * 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
@@ -19,6 +19,7 @@
 
 #ifdef HAVE_CONFIG_H
 #  include "config.h"
+#include "claws-features.h"
 #endif
 
 #include "defs.h"
@@ -58,6 +59,8 @@
 #include "timing.h"
 #include "compose.h"
 #include "main.h"
+#include "msgcache.h"
+#include "privacy.h"
 
 /* Dependecies to be removed ?! */
 #include "prefs_common.h"
@@ -85,7 +88,6 @@ void folder_init              (Folder         *folder,
 static gchar *folder_item_get_cache_file       (FolderItem     *item);
 static gchar *folder_item_get_mark_file        (FolderItem     *item);
 static gchar *folder_item_get_tags_file        (FolderItem     *item);
-static gchar *folder_get_list_path     (void);
 static GNode *folder_get_xml_node      (Folder         *folder);
 static Folder *folder_get_from_xml     (GNode          *node);
 static void folder_update_op_count_rec (GNode          *node);
@@ -398,13 +400,13 @@ void folder_item_remove(FolderItem *item)
 {
        GNode *node, *start_node;
        FolderUpdateData hookdata;
-       gchar *tags_file = NULL;
+       gchar *tags_file = NULL, *tags_dir = NULL;
 
        cm_return_if_fail(item != NULL);
        cm_return_if_fail(item->folder != NULL);
        cm_return_if_fail(item->folder->node != NULL);
 
-       start_node = node = item->node;
+       start_node = item->node;
        
        node = item->folder->node;
        
@@ -428,7 +430,12 @@ void folder_item_remove(FolderItem *item)
        tags_file = folder_item_get_tags_file(item);
        if (tags_file)
                claws_unlink(tags_file);
+       tags_dir = g_path_get_dirname(tags_file);
+       if (tags_dir)
+               rmdir(tags_dir);
+
        g_free(tags_file);
+       g_free(tags_dir);
 
        hookdata.folder = item->folder;
        hookdata.update_flags = FOLDER_TREE_CHANGED | FOLDER_REMOVE_FOLDERITEM;
@@ -572,6 +579,8 @@ void folder_item_set_xml(Folder *folder, FolderItem *item, XMLTag *tag)
                        item->hide_read_msgs =  *attr->value == '1' ? TRUE : FALSE;
                else if (!strcmp(attr->name, "hidedelmsgs"))
                        item->hide_del_msgs =  *attr->value == '1' ? TRUE : FALSE;
+               else if (!strcmp(attr->name, "hidereadthreads"))
+                       item->hide_read_threads =  *attr->value == '1' ? TRUE : FALSE;
                else if (!strcmp(attr->name, "reqretrcpt"))
                        item->ret_rcpt =  *attr->value == '1' ? TRUE : FALSE;
                else if (!strcmp(attr->name, "sort_key")) {
@@ -656,6 +665,7 @@ XMLTag *folder_item_get_xml(Folder *folder, FolderItem *item)
        xml_tag_add_attr(tag, xml_attr_new("threaded", item->threaded ? "1" : "0"));
        xml_tag_add_attr(tag, xml_attr_new("hidereadmsgs", item->hide_read_msgs ? "1" : "0"));
        xml_tag_add_attr(tag, xml_attr_new("hidedelmsgs", item->hide_del_msgs ? "1" : "0"));
+       xml_tag_add_attr(tag, xml_attr_new("hidereadthreads", item->hide_read_threads ? "1" : "0"));
        if (item->ret_rcpt)
                xml_tag_add_attr(tag, xml_attr_new("reqretrcpt", "1"));
 
@@ -1380,6 +1390,37 @@ gchar *folder_item_get_identifier(FolderItem *item)
        return id;
 }
 
+Folder *folder_find_from_identifier(const gchar *identifier)
+{
+       gchar *str;
+       gchar *p;
+       gchar *name;
+       FolderClass *class;
+
+       cm_return_val_if_fail(identifier != NULL, NULL);
+
+       if (*identifier != '#')
+               return NULL;
+
+       Xstrdup_a(str, identifier, return NULL);
+
+       p = strchr(str, '/');
+       if (!p)
+               return NULL;
+       *p = '\0';
+       p++;
+       class = folder_get_class_from_string(&str[1]);
+       if (class == NULL)
+               return NULL;
+
+       name = p;
+       p = strchr(p, '/');
+       if (p)
+               return NULL;
+
+       return folder_find_from_name(name, class);
+}
+
 FolderItem *folder_find_item_from_identifier(const gchar *identifier)
 {
        Folder *folder;
@@ -1426,6 +1467,91 @@ FolderItem *folder_find_item_from_identifier(const gchar *identifier)
        return d[1];
 }
 
+/** Returns the FolderItem from a given identifier
+ *
+ * The FolderItem is created if it doesn't already exist.
+ * If creation failed, the function returns NULL.
+ * 
+ * Identifiers are of the form #type/Mailbox/FolderA/FolderB/FolderC
+ */
+FolderItem *folder_get_item_from_identifier(const gchar *identifier)
+{
+       FolderItem *item, *last_parent;
+       Folder *folder;
+       gchar *p1, *p2, *str;
+       size_t len;
+       FolderClass *class;
+       gboolean created_something = FALSE;
+
+       item = folder_find_item_from_identifier(identifier);
+       if(item)
+               return item;
+
+       /* trivial sanity check: need at least # and two slashes */
+       len = strlen(identifier);
+       if(len < 3)
+               return NULL;
+
+       /* make sure identifier ends with a slash */
+       if(identifier[len-1] == G_DIR_SEPARATOR) {
+               Xstrdup_a(str, identifier, return NULL);
+       }
+       else {
+               Xstrndup_a(str, identifier, len+1, return NULL);
+               str[len] = G_DIR_SEPARATOR;
+       }
+
+       /* find folder class */
+       p1 = strchr(str, G_DIR_SEPARATOR);
+       if(!p1)
+               return NULL;
+       *p1 = '\0';
+       class = folder_get_class_from_string(&str[1]);
+       if(!class)
+               return NULL;
+       *p1 = G_DIR_SEPARATOR;
+       ++p1;
+
+       /* find folder from class and name */
+       p2 = strchr(p1, G_DIR_SEPARATOR);
+       if(!p2)
+               return NULL;
+       *p2 = '\0';
+       folder = folder_find_from_name(p1, class);
+       if(!folder)
+               return NULL;
+       *p2 = G_DIR_SEPARATOR;
+       ++p2;
+       p1 = p2;
+
+       /* Now, move forward and make sure all sections in the path exist */
+       last_parent = folder->node->data;
+       while((p1 = strchr(p1, G_DIR_SEPARATOR)) != NULL) {
+               *p1 = '\0';
+               item = folder_find_item_from_identifier(str);
+               if(!item) {
+                       item = folder_create_folder(last_parent, p2);
+                       if(!item)
+                               return NULL;
+                       debug_print("Created folder '%s'\n", str);
+                       created_something = TRUE;
+                       if(prefs_common.inherit_folder_props && (last_parent != item->folder->node->data)) {
+                               folder_item_prefs_copy_prefs(last_parent, item);
+                       }
+               }
+               last_parent = item;
+               *p1 = G_DIR_SEPARATOR;
+               ++p1;
+               p2 = p1;
+       }
+
+       if(created_something)
+               folder_write_list();
+
+       return item;
+}
+
+
 /**
  * Get a displayable name for a FolderItem
  *
@@ -1798,7 +1924,7 @@ static gint folder_sort_folder_list(gconstpointer a, gconstpointer b)
 
 static gint syncronize_flags(FolderItem *item, MsgInfoList *msglist)
 {
-       GRelation *relation;
+       GHashTable *relation;
        gint ret = 0;
        GSList *cur;
 
@@ -1809,38 +1935,32 @@ static gint syncronize_flags(FolderItem *item, MsgInfoList *msglist)
        if (item->no_select)
                return 0;
 
-       relation = g_relation_new(2);
-       g_relation_index(relation, 0, g_direct_hash, g_direct_equal);
+       relation = g_hash_table_new(g_direct_hash, g_direct_equal);
        if ((ret = item->folder->klass->get_flags(
            item->folder, item, msglist, relation)) == 0) {
-               GTuples *tuples;
+               gpointer data, old_key;
                MsgInfo *msginfo;
                MsgPermFlags permflags = 0;
-               gboolean skip;
 
                folder_item_update_freeze();
                folder_item_set_batch(item, TRUE);
                for (cur = msglist; cur != NULL; cur = g_slist_next(cur)) {
                        msginfo = (MsgInfo *) cur->data;
                
-                       tuples = g_relation_select(relation, msginfo, 0);
-                       skip = tuples->len < 1;
-                       if (!skip)
-                               permflags = GPOINTER_TO_INT(g_tuples_index(tuples, 0, 1));
-                       g_tuples_destroy(tuples);
-                       if (skip)
-                               continue;
-                       
-                       if (msginfo->flags.perm_flags != permflags) {
-                               procmsg_msginfo_change_flags(msginfo,
-                                       permflags & ~msginfo->flags.perm_flags, 0,
-                                       ~permflags & msginfo->flags.perm_flags, 0);
+                       if (g_hash_table_lookup_extended(relation, msginfo, &old_key, &data)) {
+                               permflags = GPOINTER_TO_INT(data);
+
+                               if (msginfo->flags.perm_flags != permflags) {
+                                       procmsg_msginfo_change_flags(msginfo,
+                                               permflags & ~msginfo->flags.perm_flags, 0,
+                                               ~permflags & msginfo->flags.perm_flags, 0);
+                               }
                        }
                }
                folder_item_set_batch(item, FALSE);
                folder_item_update_thaw();
        }
-       g_relation_destroy(relation);   
+       g_hash_table_destroy(relation); 
 
        return ret;
 }
@@ -2609,10 +2729,12 @@ void folder_item_write_cache(FolderItem *item)
                return;
 
        last_mtime = item->mtime;
-       if (item->folder->klass->scan_required)
-               need_scan = item->folder->klass->scan_required(item->folder, item);
-       else
-               need_scan = TRUE;
+       if (item->folder->klass->set_mtime) {
+               if (item->folder->klass->scan_required)
+                       need_scan = item->folder->klass->scan_required(item->folder, item);
+               else
+                       need_scan = TRUE;
+       }
 
        id = folder_item_get_identifier(item);
        debug_print("Save cache for folder %s\n", id);
@@ -2652,13 +2774,11 @@ void folder_item_write_cache(FolderItem *item)
 
 MsgInfo *folder_item_get_msginfo(FolderItem *item, gint num)
 {
-       Folder *folder;
        MsgInfo *msginfo = NULL;
        
        cm_return_val_if_fail(item != NULL, NULL);
        if (item->no_select)
                return NULL;
-       folder = item->folder;
        if (!item->cache)
                folder_item_read_cache(item);
        
@@ -2676,15 +2796,13 @@ MsgInfo *folder_item_get_msginfo(FolderItem *item, gint num)
 
 MsgInfo *folder_item_get_msginfo_by_msgid(FolderItem *item, const gchar *msgid)
 {
-       Folder *folder;
        MsgInfo *msginfo;
        
        cm_return_val_if_fail(item != NULL, NULL);
        cm_return_val_if_fail(msgid != NULL, NULL);
        if (item->no_select)
-               return FALSE;
+               return NULL;
        
-       folder = item->folder;
        if (!item->cache)
                folder_item_read_cache(item);
        
@@ -2698,7 +2816,7 @@ GSList *folder_item_get_msg_list(FolderItem *item)
 {
        cm_return_val_if_fail(item != NULL, NULL);
        if (item->no_select)
-               return FALSE;
+               return NULL;
        
        if (item->cache == 0)
                folder_item_read_cache(item);
@@ -2719,6 +2837,7 @@ static void msginfo_set_mime_flags(GNode *node, gpointer data)
             strcmp(mimeinfo->subtype, "pkcs7-signature")))) {
                procmsg_msginfo_set_flags(msginfo, 0, MSG_HAS_ATTACHMENT);
        } else if (mimeinfo->disposition == DISPOSITIONTYPE_UNKNOWN && 
+                mimeinfo->id == NULL &&
                 mimeinfo->type != MIMETYPE_TEXT &&
                 mimeinfo->type != MIMETYPE_MULTIPART) {
                if (!mimeinfo->subtype 
@@ -2727,6 +2846,7 @@ static void msginfo_set_mime_flags(GNode *node, gpointer data)
                    strcmp(mimeinfo->subtype, "pkcs7-signature")))
                        procmsg_msginfo_set_flags(msginfo, 0, MSG_HAS_ATTACHMENT);
        } else if (mimeinfo->disposition == DISPOSITIONTYPE_INLINE &&
+                mimeinfo->id == NULL &&
                (strcmp(mimeinfo->subtype, "pgp-signature") &&
                 strcmp(mimeinfo->subtype, "x-pkcs7-signature") &&
                 strcmp(mimeinfo->subtype, "pkcs7-signature")) && 
@@ -3036,7 +3156,7 @@ gint folder_item_add_msgs(FolderItem *dest, GSList *file_list,
         Folder *folder;
         gint ret, num, lastnum = -1;
        GSList *file_cur;
-       GRelation *relation;
+       GHashTable *relation;
        MsgFileInfo *fileinfo = NULL;
        gboolean folderscan = FALSE;
 
@@ -3048,13 +3168,12 @@ gint folder_item_add_msgs(FolderItem *dest, GSList *file_list,
 
         folder = dest->folder;
 
-       relation = g_relation_new(2);
-       g_relation_index(relation, 0, g_direct_hash, g_direct_equal);
+       relation = g_hash_table_new(g_direct_hash, g_direct_equal);
 
        if (folder->klass->add_msgs != NULL) {
                ret = folder->klass->add_msgs(folder, dest, file_list, relation);
                if (ret < 0) {
-                       g_relation_destroy(relation);
+                       g_hash_table_destroy(relation);
                        return ret;
                }
        } else {
@@ -3063,20 +3182,21 @@ gint folder_item_add_msgs(FolderItem *dest, GSList *file_list,
 
                        ret = folder->klass->add_msg(folder, dest, fileinfo->file, fileinfo->flags);
                        if (ret < 0) {
-                               g_relation_destroy(relation);
+                               g_hash_table_destroy(relation);
                                return ret;
                        }
-                       g_relation_insert(relation, fileinfo, GINT_TO_POINTER(ret));
+                       g_hash_table_insert(relation, fileinfo, GINT_TO_POINTER(ret));
                }
        }
 
        for (file_cur = file_list; file_cur != NULL; file_cur = g_slist_next(file_cur)) {
-               GTuples *tuples;
+               gpointer data, old_key;
 
                fileinfo = (MsgFileInfo *) file_cur->data;
-               tuples = g_relation_select(relation, fileinfo, 0);
-               num = GPOINTER_TO_INT(g_tuples_index(tuples, 0, 1));
-               g_tuples_destroy(tuples);
+               if (g_hash_table_lookup_extended(relation, fileinfo, &old_key, &data))
+                       num = GPOINTER_TO_INT(data);
+               else
+                       num = -1;
 
                if (num >= 0) {
                        MsgInfo *newmsginfo;
@@ -3112,7 +3232,7 @@ gint folder_item_add_msgs(FolderItem *dest, GSList *file_list,
                }
        }
 
-       g_relation_destroy(relation);
+       g_hash_table_destroy(relation);
 
         return lastnum;
 }
@@ -3164,6 +3284,7 @@ static FolderItem *folder_item_move_recursive(FolderItem *src, FolderItem *dest,
        new_item->ret_rcpt  = src->ret_rcpt;
        new_item->hide_read_msgs = src->hide_read_msgs;
        new_item->hide_del_msgs = src->hide_del_msgs;
+       new_item->hide_read_threads = src->hide_read_threads;
        new_item->sort_key  = src->sort_key;
        new_item->sort_type = src->sort_type;
 
@@ -3216,8 +3337,6 @@ gint folder_item_move_to(FolderItem *src, FolderItem *dest, FolderItem **new_ite
                tmp = folder_item_parent(tmp);
        }
        
-       tmp = folder_item_parent(src);
-       
        src_identifier = folder_item_get_identifier(src);
        dst_identifier = folder_item_get_identifier(dest);
        
@@ -3264,6 +3383,27 @@ gint folder_item_move_to(FolderItem *src, FolderItem *dest, FolderItem **new_ite
        return F_MOVE_OK;
 }
 
+struct find_data
+{
+       gboolean found;
+};     
+static void find_num(gpointer key, gpointer value, gpointer data)
+{
+       struct find_data *fdata = (struct find_data *)data;
+       if (GPOINTER_TO_INT(value) == 0)
+               fdata->found = TRUE;
+}
+
+static gboolean some_msgs_have_zero_num(GHashTable *hashtable)
+{
+       struct find_data fdata;
+       
+       fdata.found = FALSE;
+       g_hash_table_foreach(hashtable, find_num, &fdata);
+       
+       return fdata.found;
+}
+
 /**
  * Copy a list of message to a new folder and remove
  * source messages if wanted
@@ -3274,7 +3414,7 @@ static gint do_copy_msgs(FolderItem *dest, GSList *msglist, gboolean remove_sour
        GSList *l;
        gint num, lastnum = -1;
        gboolean folderscan = FALSE;
-       GRelation *relation;
+       GHashTable *relation;
        GSList *not_moved = NULL;
        gint total = 0, curmsg = 0;
        MsgInfo *msginfo = NULL;
@@ -3322,9 +3462,7 @@ static gint do_copy_msgs(FolderItem *dest, GSList *msglist, gboolean remove_sour
                return queue_err ? -1:0;
        }
 
-       relation = g_relation_new(2);
-       g_relation_index(relation, 0, g_direct_hash, g_direct_equal);
-       g_relation_index(relation, 1, g_direct_hash, g_direct_equal);
+       relation = g_hash_table_new(g_direct_hash, g_direct_equal);
 
        for (l = msglist ; l != NULL ; l = g_slist_next(l)) {
                MsgInfo * msginfo = (MsgInfo *) l->data;
@@ -3343,7 +3481,7 @@ static gint do_copy_msgs(FolderItem *dest, GSList *msglist, gboolean remove_sour
         */
        if (folder->klass->copy_msgs != NULL) {
                if (folder->klass->copy_msgs(folder, dest, msglist, relation) < 0) {
-                       g_relation_destroy(relation);
+                       g_hash_table_destroy(relation);
                        return -1;
                }
        } else {
@@ -3354,7 +3492,7 @@ static gint do_copy_msgs(FolderItem *dest, GSList *msglist, gboolean remove_sour
                if (l != NULL) {
                        msginfo = (MsgInfo *) l->data;
                        if (msginfo != NULL && msginfo->folder == dest) {
-                               g_relation_destroy(relation);
+                               g_hash_table_destroy(relation);
                                return -1;
                        }
                }
@@ -3364,7 +3502,7 @@ static gint do_copy_msgs(FolderItem *dest, GSList *msglist, gboolean remove_sour
 
                        num = folder->klass->copy_msg(folder, dest, msginfo);
                        if (num > 0)
-                               g_relation_insert(relation, msginfo, GINT_TO_POINTER(num));
+                               g_hash_table_insert(relation, msginfo, GINT_TO_POINTER(num));
                        else
                                not_moved = g_slist_prepend(not_moved, msginfo);
                }
@@ -3385,20 +3523,14 @@ static gint do_copy_msgs(FolderItem *dest, GSList *msglist, gboolean remove_sour
                                                                relation);
                }
                for (l = msglist; l != NULL; l = g_slist_next(l)) {
-                       GTuples *tuples;
+                       gpointer old_key, data;
                        msginfo = (MsgInfo *) l->data;
                        item = msginfo->folder;
 
-                       tuples = g_relation_select(relation, msginfo, 0);
-                       if (tuples) {
-                               if (tuples->len)
-                                       num = GPOINTER_TO_INT(g_tuples_index(tuples, 0, 1));
-                               else
-                                       num = 0;
-                               g_tuples_destroy(tuples);
-                       } else {
-                               num = -1;
-                       }
+                       if (g_hash_table_lookup_extended(relation, msginfo, &old_key, &data))
+                               num = GPOINTER_TO_INT(data);
+                       else
+                               num = 0;
 
                        if (g_slist_find(not_moved, msginfo))
                                continue;
@@ -3422,7 +3554,7 @@ static gint do_copy_msgs(FolderItem *dest, GSList *msglist, gboolean remove_sour
         * Fetch new MsgInfos for new messages in dest folder,
         * add them to the msgcache and update folder message counts
         */
-       if (g_relation_count(relation, GINT_TO_POINTER(0), 1) > 0) {
+       if (some_msgs_have_zero_num(relation)) {
                folder_item_scan_full(dest, FALSE);
                folderscan = TRUE;
        }
@@ -3437,19 +3569,16 @@ static gint do_copy_msgs(FolderItem *dest, GSList *msglist, gboolean remove_sour
        folder_item_set_batch(dest, TRUE);
        for (l = msglist; l != NULL; l = g_slist_next(l)) {
                MsgInfo *msginfo = (MsgInfo *) l->data;
-                GTuples *tuples;
+                gpointer data, old_key;
 
                if (!msginfo)
                        continue;
-                tuples = g_relation_select(relation, msginfo, 0);
-               if (tuples && tuples->len > 0) {
-                       num = GPOINTER_TO_INT(g_tuples_index(tuples, 0, 1));
-                       g_tuples_destroy(tuples);
-               } else {
+
+                if (g_hash_table_lookup_extended(relation, msginfo, &old_key, &data))
+                       num = GPOINTER_TO_INT(data);
+               else
                        num = 0;
-                       if (tuples)
-                               g_tuples_destroy(tuples);
-               }
+
                statusbar_progress_all(curmsg++,total, 100);
                if (curmsg % 100 == 0)
                        GTK_EVENTS_FLUSH();
@@ -3503,7 +3632,7 @@ static gint do_copy_msgs(FolderItem *dest, GSList *msglist, gboolean remove_sour
        statusbar_progress_all(0,0,0);
        statusbar_pop_all();
 
-       g_relation_destroy(relation);
+       g_hash_table_destroy(relation);
        if (not_moved != NULL) {
                g_slist_free(not_moved);
                return -1;
@@ -3608,7 +3737,8 @@ gint folder_item_remove_msg(FolderItem *item, gint num)
 
        if (!item->folder->account || item->folder->account->imap_use_trash) {
                if (msginfo != NULL) {
-                       remove_msginfo_from_cache(item, msginfo);
+                       if (ret == 0)
+                               remove_msginfo_from_cache(item, msginfo);
                        procmsg_msginfo_free(msginfo);
                }
        }
@@ -3991,7 +4121,7 @@ static Folder *folder_get_from_xml(GNode *node)
        return folder;
 }
 
-static gchar *folder_get_list_path(void)
+gchar *folder_get_list_path(void)
 {
        static gchar *filename = NULL;
 
@@ -4226,6 +4356,7 @@ static void folder_item_restore_persist_prefs(FolderItem *item, GHashTable *ppta
        item->ret_rcpt  = pp->ret_rcpt;
        item->hide_read_msgs = pp->hide_read_msgs;
        item->hide_del_msgs = pp->hide_del_msgs;
+       item->hide_read_threads = pp->hide_read_threads;
        item->sort_key  = pp->sort_key;
        item->sort_type = pp->sort_type;
 }
@@ -4252,6 +4383,7 @@ static void folder_get_persist_prefs_recursive(GNode *node, GHashTable *pptable)
                pp->ret_rcpt  = item->ret_rcpt; 
                pp->hide_read_msgs = item->hide_read_msgs;
                pp->hide_del_msgs = item->hide_del_msgs;
+               pp->hide_read_threads = item->hide_read_threads;
                pp->sort_key  = item->sort_key;
                pp->sort_type = item->sort_type;
                g_hash_table_insert(pptable, id, pp);
@@ -4556,6 +4688,22 @@ gboolean folder_has_parent_of_type(FolderItem *item,
        return FALSE;
 }
 
+gboolean folder_is_child_of(FolderItem *item, FolderItem *parent)
+{
+       if (item == NULL || parent == NULL)
+               return FALSE;
+
+       while (item != NULL) {
+               if (parent == item)
+                       return TRUE;
+
+               item = folder_item_parent(item);
+       }
+
+       return FALSE;
+}
+
+
 gboolean folder_subscribe (const gchar *uri)
 {
        GList *cur;
@@ -4582,3 +4730,92 @@ gboolean folder_get_sort_type            (Folder         *folder,
        folder->klass->get_sort_type(folder, sort_key, sort_type); 
        return TRUE;
 }
+
+gint folder_item_search_msgs   (Folder                 *folder,
+                                FolderItem             *container,
+                                MsgNumberList          **msgs,
+                                gboolean               *on_server,
+                                MatcherList            *predicate,
+                                SearchProgressNotify   progress_cb,
+                                gpointer               progress_data)
+{
+       gint result = -1;
+       
+       folder_item_update_freeze();
+
+       if (folder->klass->search_msgs)
+               result = folder->klass->search_msgs(folder, container,
+                               msgs, on_server, predicate, progress_cb, progress_data);
+       if (result < 0)
+               result = folder_item_search_msgs_local(folder, container,
+                               msgs, on_server, predicate, progress_cb, progress_data);
+       
+       folder_item_update_thaw();
+
+       return result;
+}
+
+MsgNumberList *folder_item_get_number_list(FolderItem *item)
+{
+       GSList *nums = NULL;
+       GSList *msglist = folder_item_get_msg_list(item);
+
+       nums = procmsg_get_number_list_for_msgs(msglist);
+       procmsg_msg_list_free(msglist);
+       
+       return nums;
+}
+
+gint folder_item_search_msgs_local     (Folder                 *folder,
+                                        FolderItem             *container,
+                                        MsgNumberList          **msgs,
+                                        gboolean               *on_server,
+                                        MatcherList            *predicate,
+                                        SearchProgressNotify   progress_cb,
+                                        gpointer               progress_data)
+{
+       GSList *result = NULL;
+       GSList *cur = NULL;
+       gint matched_count = 0;
+       guint processed_count = 0;
+       gint msgcount;
+       GSList *nums = NULL;
+
+       if (*msgs == NULL) {
+               nums = folder_item_get_number_list(container);
+       } else {
+               nums = *msgs;
+       }
+
+       msgcount = g_slist_length(nums);
+
+       if (msgcount < 0)
+               return -1;
+
+       for (cur = nums; cur != NULL; cur = cur->next) {
+               guint msgnum = GPOINTER_TO_UINT(cur->data);
+               MsgInfo *msg = folder_item_get_msginfo(container, msgnum);
+
+               if (msg == NULL) {
+                       g_slist_free(result);
+                       return -1;
+               }
+
+               if (matcherlist_match(predicate, msg)) {
+                       result = g_slist_prepend(result, GUINT_TO_POINTER(msg->msgnum));
+                       matched_count++;
+               }
+               processed_count++;
+
+               if (progress_cb != NULL
+                   && !progress_cb(progress_data, FALSE, processed_count,
+                           matched_count, msgcount))
+                       break;
+       }
+
+       g_slist_free(nums);
+       *msgs = g_slist_reverse(result);
+
+       return matched_count;
+}
+