src/avatars.c

   1 /*
   2  * Claws Mail -- a GTK based, lightweight, and fast e-mail client
   3  * Copyright (C) 2014-2016 Ricardo Mones and the Claws Mail team
   4  *
   5  * This program is free software; you can redistribute it and/or modify
   6  * it under the terms of the GNU General Public License as published by
   7  * the Free Software Foundation; either version 3 of the License, or
   8  * (at your option) any later version.
   9  *
  10  * This program is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13  * GNU General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU General Public License
  16  * along with this program. If not, see <http://www.gnu.org/licenses/>.
  17  */
  18
  19 #ifdef HAVE_CONFIG_H
  20 #  include "config.h"
  21 #include "claws-features.h"
  22 #endif
  23
  24 #include <glib.h>
  25 #include <glib/gi18n.h>
  26 #include <gtk/gtk.h>
  27
  28 #include "defs.h"
  29 #include "hooks.h"
  30 #include "gtkutils.h"
  31 #include "procmsg.h"
  32 #include "prefs_common.h"
  33 #include "avatars.h"
  34
  35 static gulong avatar_render_hook_id = HOOK_NONE;
  36
  37 AvatarRender *avatars_avatarrender_new(MsgInfo *msginfo)
  38 {
  39         AvatarRender *ar = g_new0(AvatarRender, 1);
  40         ar->full_msginfo = msginfo;
  41         ar->image = NULL;
  42         ar->type = 0;
  43
  44         return ar;
  45 }
  46
  47 void avatars_avatarrender_free(AvatarRender *avrender)
  48 {
  49         if (avrender == NULL)
  50                 return;
  51
  52         if (avrender->image != NULL) {
  53                 gtk_widget_destroy(avrender->image);
  54         }
  55         g_free(avrender);
  56 }
  57
  58 gboolean avatars_internal_rendering_hook(gpointer source, gpointer data)
  59 {
  60         AvatarRender *avatarr = (AvatarRender *)source;
  61         gchar *aface;
  62
  63         if (!(prefs_common.enable_avatars & AVATARS_ENABLE_RENDER)) {
  64                 debug_print("Internal rendering of avatars is disabled\n");
  65                 return FALSE;
  66         }
  67
  68         if (avatarr == NULL) {
  69                 g_warning("internal rendering invoked with NULL argument");
  70                 return FALSE;
  71         }
  72
  73         if (avatarr->image != NULL) {
  74                 g_warning("memory leak: image widget not destroyed");
  75         }
  76
  77         aface = procmsg_msginfo_get_avatar(avatarr->full_msginfo, AVATAR_FACE);
  78         if (aface) {
  79                 avatarr->image = face_get_from_header(aface);
  80                 avatarr->type  = AVATAR_FACE;
  81         }
  82 #if HAVE_LIBCOMPFACE
  83         else {
  84                 aface = procmsg_msginfo_get_avatar(avatarr->full_msginfo, AVATAR_XFACE);
  85                 if (aface) {
  86                         avatarr->image = xface_get_from_header(aface);
  87                         avatarr->type  = AVATAR_XFACE;
  88                 }
  89         }
  90 #endif
  91         return FALSE;
  92 }
  93
  94 void avatars_init(void)
  95 {
  96         if (avatar_render_hook_id != HOOK_NONE) {
  97                 g_warning("internal avatars rendering already initialized");
  98                 return;
  99         }
 100         avatar_render_hook_id = hooks_register_hook(AVATAR_IMAGE_RENDER_HOOKLIST, avatars_internal_rendering_hook, NULL);
 101         if (avatar_render_hook_id == HOOK_NONE) {
 102                 g_warning("failed to register avatars internal rendering hook");
 103         }
 104 }
 105
 106 void avatars_done(void)
 107 {
 108         if (avatar_render_hook_id != HOOK_NONE) {
 109                 hooks_unregister_hook(AVATAR_IMAGE_RENDER_HOOKLIST, avatar_render_hook_id);
 110                 avatar_render_hook_id = HOOK_NONE;
 111         }
 112 }