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Member "evolution-mapi-3.46.1/src/camel/camel-mapi-folder-summary.c" (2 Dec 2022, 4685 Bytes) of package /linux/misc/evolution-mapi-3.46.1.tar.xz:

    1 /* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
    2 /*
    3  * This program is free software; you can redistribute it and/or
    4  * modify it under the terms of the GNU Lesser General Public
    5  * License as published by the Free Software Foundation; either
    6  * version 2 of the License, or (at your option) version 3.
    7  *
    8  * This program is distributed in the hope that it will be useful,
    9  * but WITHOUT ANY WARRANTY; without even the implied warranty of
   10  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
   11  * Lesser General Public License for more details.
   12  *
   13  * You should have received a copy of the GNU Lesser General Public
   14  * License along with the program; if not, see <http://www.gnu.org/licenses/>
   15  *
   16  *
   17  * Authors:
   18  *     Johnny Jacob <jjohnny@novell.com>
   19  *
   20  * Copyright (C) 1999-2008 Novell, Inc. (www.novell.com)
   21  *
   22  */
   23 
   24 #include "evolution-mapi-config.h"
   25 
   26 #include <errno.h>
   27 #include <stdlib.h>
   28 #include <string.h>
   29 #include <unistd.h>
   30 #include <sys/stat.h>
   31 
   32 #include "camel-mapi-folder.h"
   33 #include "camel-mapi-folder-summary.h"
   34 #include "camel-mapi-store.h"
   35 
   36 #define CAMEL_MAPI_FOLDER_SUMMARY_VERSION (1)
   37 
   38 /*Prototypes*/
   39 static CamelFIRecord *mapi_summary_header_save (CamelFolderSummary *, GError **error);
   40 static gboolean mapi_summary_header_load (CamelFolderSummary *, CamelFIRecord *fir);
   41 
   42 /*End of Prototypes*/
   43 
   44 G_DEFINE_TYPE (CamelMapiFolderSummary, camel_mapi_folder_summary, CAMEL_TYPE_FOLDER_SUMMARY)
   45 
   46 static void
   47 camel_mapi_folder_summary_class_init (CamelMapiFolderSummaryClass *class)
   48 {
   49     CamelFolderSummaryClass *folder_summary_class;
   50 
   51     folder_summary_class = CAMEL_FOLDER_SUMMARY_CLASS (class);
   52     folder_summary_class->message_info_type = CAMEL_TYPE_MAPI_MESSAGE_INFO;
   53     folder_summary_class->summary_header_save = mapi_summary_header_save;
   54     folder_summary_class->summary_header_load = mapi_summary_header_load;
   55 }
   56 
   57 static void
   58 camel_mapi_folder_summary_init (CamelMapiFolderSummary *mapi_summary)
   59 {
   60 }
   61 
   62 /**
   63  * camel_mapi_folder_summary_new:
   64  *
   65  * This will create a new CamelMapiFolderSummary object and read in the
   66  * summary data from disk, if it exists.
   67  *
   68  * Return value: A new CamelMapiFolderSummary object.
   69  **/
   70 CamelFolderSummary *
   71 camel_mapi_folder_summary_new (CamelFolder *folder)
   72 {
   73     CamelFolderSummary *summary;
   74     GError *local_error = NULL;
   75 
   76     summary = g_object_new (CAMEL_TYPE_MAPI_FOLDER_SUMMARY, "folder", folder, NULL);
   77 
   78     if (!camel_folder_summary_load (summary, &local_error)) {
   79         /* FIXME: Isn't this dangerous ? We clear the summary
   80         if it cannot be loaded, for some random reason.
   81         We need to pass the ex and find out why it is not loaded etc. ? */
   82         camel_folder_summary_clear (summary, NULL);
   83         g_warning ("Unable to load summary %s\n", local_error ? local_error->message : "Unknown error");
   84     }
   85 
   86     g_clear_error (&local_error);
   87 
   88     return summary;
   89 }
   90 
   91 static gboolean
   92 mapi_summary_header_load (CamelFolderSummary *summary, CamelFIRecord *fir)
   93 {
   94     CamelMapiFolderSummary *mapi_summary = CAMEL_MAPI_FOLDER_SUMMARY (summary);
   95     CamelFolderSummaryClass *folder_summary_class;
   96     gchar *part;
   97 
   98     folder_summary_class = CAMEL_FOLDER_SUMMARY_CLASS (
   99         camel_mapi_folder_summary_parent_class);
  100 
  101     if (!folder_summary_class->summary_header_load (summary, fir))
  102         return FALSE;
  103 
  104     part = fir->bdata;
  105 
  106     if (part)
  107         mapi_summary->version = camel_util_bdata_get_number (&part, 0);
  108 
  109     return TRUE;
  110 }
  111 
  112 static CamelFIRecord *
  113 mapi_summary_header_save (CamelFolderSummary *summary, GError **error)
  114 {
  115     CamelFolderSummaryClass *folder_summary_class;
  116     struct _CamelFIRecord *fir;
  117 
  118     folder_summary_class = CAMEL_FOLDER_SUMMARY_CLASS (camel_mapi_folder_summary_parent_class);
  119 
  120     fir = folder_summary_class->summary_header_save (summary, error);
  121 
  122     if (!fir)
  123         return NULL;
  124 
  125     fir->bdata = g_strdup_printf ("%d", CAMEL_MAPI_FOLDER_SUMMARY_VERSION);
  126 
  127     return fir;
  128 }
  129 
  130 void
  131 mapi_summary_clear (CamelFolderSummary *summary, gboolean uncache)
  132 {
  133     CamelFolderChangeInfo *changes;
  134     CamelMessageInfo *info;
  135     gint i;
  136     const gchar *uid;
  137     GPtrArray *known_uids;
  138 
  139     changes = camel_folder_change_info_new ();
  140     known_uids = camel_folder_summary_get_array (summary);
  141     for (i = 0; known_uids && i < known_uids->len; i++) {
  142         if (!(info = camel_folder_summary_get (summary, g_ptr_array_index (known_uids, i))))
  143             continue;
  144 
  145         uid = camel_message_info_get_uid (info);
  146         camel_folder_change_info_remove_uid (changes, uid);
  147         camel_folder_summary_remove_uid (summary, uid);
  148         g_clear_object (&info);
  149     }
  150 
  151     camel_folder_summary_free_array (known_uids);
  152     camel_folder_summary_clear (summary, NULL);
  153 
  154     if (camel_folder_change_info_changed (changes))
  155         camel_folder_changed (camel_folder_summary_get_folder (summary), changes);
  156     camel_folder_change_info_free (changes);
  157 }