libpurple/smiley-theme.c

   1 /* purple
   2  *
   3  * Purple is the legal property of its developers, whose names are too numerous
   4  * to list here.  Please refer to the COPYRIGHT file distributed with this
   5  * source distribution.
   6  *
   7  * This program is free software; you can redistribute it and/or modify
   8  * it under the terms of the GNU General Public License as published by
   9  * the Free Software Foundation; either version 2 of the License, or
  10  * (at your option) any later version.
  11  *
  12  * This program is distributed in the hope that it will be useful,
  13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15  * GNU General Public License for more details.
  16  *
  17  * You should have received a copy of the GNU General Public License
  18  * along with this program; if not, write to the Free Software
  19  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02111-1301  USA
  20  */
  21
  22 #include "smiley-theme.h"
  23
  24 static PurpleSmileyTheme *current = NULL;
  25
  26 /*******************************************************************************
  27  * API implementation
  28  ******************************************************************************/
  29
  30 PurpleSmileyList *
  31 purple_smiley_theme_get_smileys(PurpleSmileyTheme *theme, gpointer ui_data)
  32 {
  33         PurpleSmileyThemeClass *klass;
  34
  35         g_return_val_if_fail(PURPLE_IS_SMILEY_THEME(theme), NULL);
  36         klass = PURPLE_SMILEY_THEME_GET_CLASS(theme);
  37         g_return_val_if_fail(klass != NULL, NULL);
  38         g_return_val_if_fail(klass->get_smileys != NULL, NULL);
  39
  40         return klass->get_smileys(theme, ui_data);
  41 }
  42
  43 void
  44 purple_smiley_theme_set_current(PurpleSmileyTheme *theme)
  45 {
  46         PurpleSmileyThemeClass *klass;
  47
  48         g_return_if_fail(theme == NULL || PURPLE_IS_SMILEY_THEME(theme));
  49
  50         if (theme)
  51                 g_object_ref(theme);
  52         if (current)
  53                 g_object_unref(current);
  54         current = theme;
  55
  56         if (!theme)
  57                 return;
  58         klass = PURPLE_SMILEY_THEME_GET_CLASS(theme);
  59         g_return_if_fail(klass != NULL);
  60         if (klass->activate)
  61                 klass->activate(theme);
  62 }
  63
  64 PurpleSmileyTheme *
  65 purple_smiley_theme_get_current(void)
  66 {
  67         return current;
  68 }
  69
  70 void
  71 _purple_smiley_theme_uninit(void)
  72 {
  73         purple_smiley_theme_set_current(NULL);
  74 }
  75
  76
  77 /*******************************************************************************
  78  * Object stuff
  79  ******************************************************************************/
  80
  81 GType
  82 purple_smiley_theme_get_type(void)
  83 {
  84         static GType type = 0;
  85
  86         if (G_UNLIKELY(type == 0)) {
  87                 static const GTypeInfo info = {
  88                         .class_size = sizeof(PurpleSmileyThemeClass),
  89                         .instance_size = sizeof(PurpleSmileyTheme),
  90                 };
  91
  92                 type = g_type_register_static(G_TYPE_OBJECT,
  93                         "PurpleSmileyTheme", &info, G_TYPE_FLAG_ABSTRACT);
  94         }
  95
  96         return type;
  97 }