source: protocols/bee_chat.c @ be1efa3

  /********************************************************************\
  * BitlBee -- An IRC to other IM-networks gateway                     *
  *                                                                    *
  * Copyright 2002-2010 Wilmer van der Gaast and others                *
  \********************************************************************/

/* Stuff to handle rooms                                                */

/*
  This program is free software; you can redistribute it and/or modify
  it under the terms of the GNU General Public License as published by
  the Free Software Foundation; either version 2 of the License, or
  (at your option) any later version.

  This program is distributed in the hope that it will be useful,
  but WITHOUT ANY WARRANTY; without even the implied warranty of
  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  GNU General Public License for more details.

  You should have received a copy of the GNU General Public License with
  the Debian GNU/Linux distribution in /usr/share/common-licenses/GPL;
  if not, write to the Free Software Foundation, Inc., 51 Franklin St.,
  Fifth Floor, Boston, MA  02110-1301  USA
*/

#define BITLBEE_CORE
#include "bitlbee.h"

struct groupchat *imcb_chat_new( struct im_connection *ic, const char *handle )
{
        struct groupchat *c = g_new0( struct groupchat, 1 );
        bee_t *bee = ic->bee;
        
        /* This one just creates the conversation structure, user won't see
           anything yet until s/he is joined to the conversation. (This
           allows you to add other already present participants first.) */
        
        ic->groupchats = g_slist_prepend( ic->groupchats, c );
        c->ic = ic;
        c->title = g_strdup( handle );
        c->topic = g_strdup_printf( "BitlBee groupchat: \"%s\". Please keep in mind that root-commands won't work here. Have fun!", c->title );
        
        if( set_getbool( &ic->bee->set, "debug" ) )
                imcb_log( ic, "Creating new conversation: (id=%p,handle=%s)", c, handle );
        
        if( bee->ui->chat_new )
                bee->ui->chat_new( bee, c );
        
        return c;
}

void imcb_chat_name_hint( struct groupchat *c, const char *name )
{
        bee_t *bee = c->ic->bee;
        
        if( bee->ui->chat_name_hint )
                bee->ui->chat_name_hint( bee, c, name );
}

void imcb_chat_free( struct groupchat *c )
{
        struct im_connection *ic = c->ic;
        bee_t *bee = ic->bee;
        GList *ir;
        
        if( bee->ui->chat_free )
                bee->ui->chat_free( bee, c );
        
        if( set_getbool( &ic->bee->set, "debug" ) )
                imcb_log( ic, "You were removed from conversation %p", c );
        
        ic->groupchats = g_slist_remove( ic->groupchats, c );
        
        for( ir = c->in_room; ir; ir = ir->next )
                g_free( ir->data );
        g_list_free( c->in_room );
        g_free( c->title );
        g_free( c->topic );
        g_free( c );
}

static gboolean handle_is_self( struct im_connection *ic, const char *handle )
{
        return ( ic->acc->prpl->handle_is_self ) ?
                 ic->acc->prpl->handle_is_self( ic, handle ) :
                 ( ic->acc->prpl->handle_cmp( ic->acc->user, handle ) == 0 );
}

void imcb_chat_msg( struct groupchat *c, const char *who, char *msg, uint32_t flags, time_t sent_at )
{
        struct im_connection *ic = c->ic;
        bee_t *bee = ic->bee;
        bee_user_t *bu;
        gboolean temp;
        char *s;
        
        /* Gaim sends own messages through this too. IRC doesn't want this, so kill them */
        if( handle_is_self( ic, who ) )
                return;
        
        bu = bee_user_by_handle( bee, ic, who );
        temp = ( bu == NULL );
        
        if( temp )
                bu = bee_user_new( bee, ic, who, BEE_USER_ONLINE );
        
        s = set_getstr( &ic->bee->set, "strip_html" );
        if( ( g_strcasecmp( s, "always" ) == 0 ) ||
            ( ( ic->flags & OPT_DOES_HTML ) && s ) )
                strip_html( msg );
        
        if( bee->ui->chat_msg )
                bee->ui->chat_msg( bee, c, bu, msg, sent_at );
        
        if( temp )
                bee_user_free( bee, bu );
}

void imcb_chat_log( struct groupchat *c, char *format, ... )
{
        struct im_connection *ic = c->ic;
        bee_t *bee = ic->bee;
        va_list params;
        char *text;
        
        if( !bee->ui->chat_log )
                return;
        
        va_start( params, format );
        text = g_strdup_vprintf( format, params );
        va_end( params );
        
        bee->ui->chat_log( bee, c, text );
        g_free( text );
}

void imcb_chat_topic( struct groupchat *c, char *who, char *topic, time_t set_at )
{
        struct im_connection *ic = c->ic;
        bee_t *bee = ic->bee;
        bee_user_t *bu;
        
        if( !bee->ui->chat_topic )
                return;
        
        if( who == NULL)
                bu = NULL;
        else if( handle_is_self( ic, who ) )
                bu = bee->user;
        else
                bu = bee_user_by_handle( bee, ic, who );
        
        if( ( g_strcasecmp( set_getstr( &ic->bee->set, "strip_html" ), "always" ) == 0 ) ||
            ( ( ic->flags & OPT_DOES_HTML ) && set_getbool( &ic->bee->set, "strip_html" ) ) )
                strip_html( topic );
        
        bee->ui->chat_topic( bee, c, topic, bu );
}

void imcb_chat_add_buddy( struct groupchat *c, const char *handle )
{
        struct im_connection *ic = c->ic;
        bee_t *bee = ic->bee;
        bee_user_t *bu = bee_user_by_handle( bee, ic, handle );
        gboolean me;
        
        if( set_getbool( &c->ic->bee->set, "debug" ) )
                imcb_log( c->ic, "User %s added to conversation %p", handle, c );
        
        me = handle_is_self( ic, handle );
        
        /* Most protocols allow people to join, even when they're not in
           your contact list. Try to handle that here */
        if( !me && !bu )
                bu = bee_user_new( bee, ic, handle, BEE_USER_LOCAL );
        
        /* Add the handle to the room userlist */
        /* TODO: Use bu instead of a string */
        c->in_room = g_list_append( c->in_room, g_strdup( handle ) );
        
        if( bee->ui->chat_add_user )
                bee->ui->chat_add_user( bee, c, me ? bee->user : bu );
        
        if( me )
                c->joined = 1;
}

void imcb_chat_remove_buddy( struct groupchat *c, const char *handle, const char *reason )
{
        struct im_connection *ic = c->ic;
        bee_t *bee = ic->bee;
        bee_user_t *bu = NULL;
        
        if( set_getbool( &bee->set, "debug" ) )
                imcb_log( ic, "User %s removed from conversation %p (%s)", handle, c, reason ? reason : "" );
        
        /* It might be yourself! */
        if( handle_is_self( ic, handle ) )
        {
                if( c->joined == 0 )
                        return;
                
                bu = bee->user;
                c->joined = 0;
        }
        else
        {
                bu = bee_user_by_handle( bee, ic, handle );
        }
        
        if( bee->ui->chat_remove_user && bu )
                bee->ui->chat_remove_user( bee, c, bu );
}

int bee_chat_msg( bee_t *bee, struct groupchat *c, const char *msg, int flags )
{
        struct im_connection *ic = c->ic;
        char *buf = NULL;
        
        if( ( ic->flags & OPT_DOES_HTML ) && ( g_strncasecmp( msg, "<html>", 6 ) != 0 ) )
        {
                buf = escape_html( msg );
                msg = buf;
        }
        else
                buf = g_strdup( msg );
        
        ic->acc->prpl->chat_msg( c, buf, flags );
        g_free( buf );
        
        return 1;
}

struct groupchat *bee_chat_by_title( bee_t *bee, struct im_connection *ic, const char *title )
{
        struct groupchat *c;
        GSList *l;
        
        for( l = ic->groupchats; l; l = l->next )
        {
                c = l->data;
                if( strcmp( c->title, title ) == 0 )
                        return c;
        }
        
        return NULL;
}

void imcb_chat_invite( struct im_connection *ic, const char *name, const char *who, const char *msg )
{
        bee_user_t *bu = bee_user_by_handle( ic->bee, ic, who );
        
        if( bu && ic->bee->ui->chat_invite )
                ic->bee->ui->chat_invite( ic->bee, bu, name, msg );
}