PurpleBuddyIcon *
purple_buddy_icon_unref(PurpleBuddyIcon *icon)
{
if (icon == NULL)
return NULL;
g_return_val_if_fail(icon->ref_count > 0, NULL);
icon->ref_count--;
if (icon->ref_count == 0)
{
GHashTable *icon_cache = g_hash_table_lookup(account_cache, purple_buddy_icon_get_account(icon));
if (icon_cache != NULL)
g_hash_table_remove(icon_cache, purple_buddy_icon_get_username(icon));
g_free(icon->username);
g_free(icon->checksum);
purple_imgstore_unref(icon->img);
PURPLE_DBUS_UNREGISTER_POINTER(icon);
g_slice_free(PurpleBuddyIcon, icon);
return NULL;
}
return icon;
}
static TwitterConvIcon *buddy_icon_to_conv_icon(PurpleBuddyIcon * buddy_icon)
{
TwitterConvIcon *conv_icon;
g_return_val_if_fail(buddy_icon != NULL, NULL);
conv_icon = twitter_conv_icon_new(purple_buddy_icon_get_account(buddy_icon), purple_buddy_icon_get_username(buddy_icon));
conv_icon_set_buddy_icon_data(conv_icon, buddy_icon);
return conv_icon;
}
void
purple_buddy_icon_update(PurpleBuddyIcon *icon)
{
PurpleConversation *conv;
PurpleAccount *account;
const char *username;
PurpleBuddyIcon *icon_to_set;
GSList *buddies;
g_return_if_fail(icon != NULL);
account = purple_buddy_icon_get_account(icon);
username = purple_buddy_icon_get_username(icon);
/* If no data exists (icon->img == NULL), then call the functions below
* with NULL to unset the icon. They will then unref the icon and it should
* be destroyed. The only way it wouldn't be destroyed is if someone
* else is holding a reference to it, in which case they can kill
* the icon when they realize it has no data. */
icon_to_set = icon->img ? icon : NULL;
/* Ensure that icon remains valid throughout */
purple_buddy_icon_ref(icon);
buddies = purple_find_buddies(account, username);
while (buddies != NULL)
{
PurpleBuddy *buddy = (PurpleBuddy *)buddies->data;
char *old_icon;
purple_buddy_set_icon(buddy, icon_to_set);
old_icon = g_strdup(purple_blist_node_get_string((PurpleBlistNode *)buddy,
"buddy_icon"));
if (icon->img && purple_buddy_icons_is_caching())
{
const char *filename = purple_imgstore_get_filename(icon->img);
purple_blist_node_set_string((PurpleBlistNode *)buddy,
"buddy_icon",
filename);
if (icon->checksum && *icon->checksum)
{
purple_blist_node_set_string((PurpleBlistNode *)buddy,
"icon_checksum",
icon->checksum);
}
else
{
purple_blist_node_remove_setting((PurpleBlistNode *)buddy,
"icon_checksum");
}
ref_filename(filename);
}
else if (!icon->img)
{
purple_blist_node_remove_setting((PurpleBlistNode *)buddy, "buddy_icon");
purple_blist_node_remove_setting((PurpleBlistNode *)buddy, "icon_checksum");
}
unref_filename(old_icon);
g_free(old_icon);
buddies = g_slist_delete_link(buddies, buddies);
}
conv = purple_find_conversation_with_account(PURPLE_CONV_TYPE_IM, username, account);
if (conv != NULL)
purple_conv_im_set_icon(PURPLE_CONV_IM(conv), icon_to_set);
/* icon's refcount was incremented above */
purple_buddy_icon_unref(icon);
}