userlist.c

Linux下的多协议即时通讯程序源代码

	passport = msn_user_get_passport(user);
	store = msn_user_get_store_name(user);

	if (list_op & MSN_LIST_FL_OP)
	{
		GSList *c;
		for (c = group_ids; c != NULL; c = g_slist_next(c))
		{
			int group_id;
			group_id = GPOINTER_TO_INT(c->data);
			msn_user_add_group_id(user, group_id);
		}

		/* FIXME: It might be a real alias */
		/* Umm, what? This might fix bug #1385130 */
		serv_got_alias(gc, passport, store);
	}

	if (list_op & MSN_LIST_AL_OP)
	{
		/* These are users who are allowed to see our status. */
		purple_privacy_deny_remove(account, passport, TRUE);
		purple_privacy_permit_add(account, passport, TRUE);
	}

	if (list_op & MSN_LIST_BL_OP)
	{
		/* These are users who are not allowed to see our status. */
		purple_privacy_permit_remove(account, passport, TRUE);
		purple_privacy_deny_add(account, passport, TRUE);
	}

	if (list_op & MSN_LIST_RL_OP)
	{
		/* These are users who have us on their buddy list. */
		/*
		 * TODO: What is store name set to when this happens?
		 *       For one of my accounts "[e-mail]"
		 *       the store name was "something."  Maybe we
		 *       should use the friendly name, instead? --KingAnt
		 */

		if (!(list_op & (MSN_LIST_AL_OP | MSN_LIST_BL_OP)))
		{
			got_new_entry(gc, passport, store);
		}
	}

	user->list_op = list_op;
}

/**************************************************************************
 * UserList functions
 **************************************************************************/

MsnUserList*
msn_userlist_new(MsnSession *session)
{
	MsnUserList *userlist;

	userlist = g_new0(MsnUserList, 1);

	userlist->session = session;
	userlist->buddy_icon_requests = g_queue_new();
	
	/* buddy_icon_window is the number of allowed simultaneous buddy icon requests.
	 * XXX With smarter rate limiting code, we could allow more at once... 5 was the limit set when
	 * we weren't retrieiving any more than 5 per MSN session. */
	userlist->buddy_icon_window = 1;

	return userlist;
}

void
msn_userlist_destroy(MsnUserList *userlist)
{
	GList *l;

	for (l = userlist->users; l != NULL; l = l->next)
	{
		msn_user_destroy(l->data);
	}

	g_list_free(userlist->users);

	for (l = userlist->groups; l != NULL; l = l->next)
	{
		msn_group_destroy(l->data);
	}

	g_list_free(userlist->groups);

	g_queue_free(userlist->buddy_icon_requests);

	if (userlist->buddy_icon_request_timer)
		purple_timeout_remove(userlist->buddy_icon_request_timer);

	g_free(userlist);
}

void
msn_userlist_add_user(MsnUserList *userlist, MsnUser *user)
{
	userlist->users = g_list_append(userlist->users, user);
}

void
msn_userlist_remove_user(MsnUserList *userlist, MsnUser *user)
{
	userlist->users = g_list_remove(userlist->users, user);
}

MsnUser *
msn_userlist_find_user(MsnUserList *userlist, const char *passport)
{
	GList *l;

	g_return_val_if_fail(passport != NULL, NULL);

	for (l = userlist->users; l != NULL; l = l->next)
	{
		MsnUser *user = (MsnUser *)l->data;

		g_return_val_if_fail(user->passport != NULL, NULL);

		if (!strcmp(passport, user->passport))
			return user;
	}

	return NULL;
}

void
msn_userlist_add_group(MsnUserList *userlist, MsnGroup *group)
{
	userlist->groups = g_list_append(userlist->groups, group);
}

void
msn_userlist_remove_group(MsnUserList *userlist, MsnGroup *group)
{
	userlist->groups = g_list_remove(userlist->groups, group);
}

MsnGroup *
msn_userlist_find_group_with_id(MsnUserList *userlist, int id)
{
	GList *l;

	g_return_val_if_fail(userlist != NULL, NULL);
	g_return_val_if_fail(id       >= 0,    NULL);

	for (l = userlist->groups; l != NULL; l = l->next)
	{
		MsnGroup *group = l->data;

		if (group->id == id)
			return group;
	}

	return NULL;
}

MsnGroup *
msn_userlist_find_group_with_name(MsnUserList *userlist, const char *name)
{
	GList *l;

	g_return_val_if_fail(userlist != NULL, NULL);
	g_return_val_if_fail(name     != NULL, NULL);

	for (l = userlist->groups; l != NULL; l = l->next)
	{
		MsnGroup *group = l->data;

		if ((group->name != NULL) && !g_ascii_strcasecmp(name, group->name))
			return group;
	}

	return NULL;
}

int
msn_userlist_find_group_id(MsnUserList *userlist, const char *group_name)
{
	MsnGroup *group;

	group = msn_userlist_find_group_with_name(userlist, group_name);

	if (group != NULL)
		return msn_group_get_id(group);
	else
		return -1;
}

const char *
msn_userlist_find_group_name(MsnUserList *userlist, int group_id)
{
	MsnGroup *group;

	group = msn_userlist_find_group_with_id(userlist, group_id);

	if (group != NULL)
		return msn_group_get_name(group);
	else
		return NULL;
}

void
msn_userlist_rename_group_id(MsnUserList *userlist, int group_id,
							 const char *new_name)
{
	MsnGroup *group;

	group = msn_userlist_find_group_with_id(userlist, group_id);

	if (group != NULL)
		msn_group_set_name(group, new_name);
}

void
msn_userlist_remove_group_id(MsnUserList *userlist, int group_id)
{
	MsnGroup *group;

	group = msn_userlist_find_group_with_id(userlist, group_id);

	if (group != NULL)
	{
		msn_userlist_remove_group(userlist, group);
		msn_group_destroy(group);
	}
}

void
msn_userlist_rem_buddy(MsnUserList *userlist,
					   const char *who, int list_id, const char *group_name)
{
	MsnUser *user;
	int group_id;
	const char *list;

	user = msn_userlist_find_user(userlist, who);
	group_id = -1;

	if (group_name != NULL)
	{
		group_id = msn_userlist_find_group_id(userlist, group_name);

		if (group_id < 0)
		{
			/* Whoa, there is no such group. */
			purple_debug_error("msn", "Group doesn't exist: %s\n", group_name);
			return;
		}
	}

	/* First we're going to check if not there. */
	if (!(user_is_there(user, list_id, group_id)))
	{
		list = lists[list_id];
		purple_debug_error("msn", "User '%s' is not there: %s\n",
						 who, list);
		return;
	}

	/* Then request the rem to the server. */
	list = lists[list_id];

	msn_notification_rem_buddy(userlist->session->notification, list, who, group_id);
}

void
msn_userlist_add_buddy(MsnUserList *userlist,
					   const char *who, int list_id,
					   const char *group_name)
{
	MsnUser *user;
	int group_id;
	const char *list;
	const char *store_name;

	group_id = -1;

	if (!purple_email_is_valid(who))
	{
		/* only notify the user about problems adding to the friends list
		 * maybe we should do something else for other lists, but it probably
		 * won't cause too many problems if we just ignore it */
		if (list_id == MSN_LIST_FL)
		{
			char *str = g_strdup_printf(_("Unable to add \"%s\"."), who);
			purple_notify_error(NULL, NULL, str,
							  _("The screen name specified is invalid."));
			g_free(str);
		}

		return;
	}

	if (group_name != NULL)
	{
		group_id = msn_userlist_find_group_id(userlist, group_name);

		if (group_id < 0)
		{
			/* Whoa, we must add that group first. */
			msn_request_add_group(userlist, who, NULL, group_name);
			return;
		}
	}

	user = msn_userlist_find_user(userlist, who);

	/* First we're going to check if it's already there. */
	if (user_is_there(user, list_id, group_id))
	{
		list = lists[list_id];
		purple_debug_error("msn", "User '%s' is already there: %s\n", who, list);
		return;
	}

	store_name = (user != NULL) ? get_store_name(user) : who;

	/* Then request the add to the server. */
	list = lists[list_id];

	msn_notification_add_buddy(userlist->session->notification, list, who,
							   store_name, group_id);
}

void
msn_userlist_move_buddy(MsnUserList *userlist, const char *who,
						const char *old_group_name, const char *new_group_name)
{
	int new_group_id;

	new_group_id = msn_userlist_find_group_id(userlist, new_group_name);

	if (new_group_id < 0)
	{
		msn_request_add_group(userlist, who, old_group_name, new_group_name);
		return;
	}

	msn_userlist_add_buddy(userlist, who, MSN_LIST_FL, new_group_name);
	msn_userlist_rem_buddy(userlist, who, MSN_LIST_FL, old_group_name);
}