/*
    kimiface.h - KDE Instant Messenger DCOP Interface

    Copyright (c) 2004    Will Stephenson	 <lists@stevello.free-online.co.uk>

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

    This library 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
Library General Public License for more details.

You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
*/

#ifndef KIMIFACE_H
#define KIMIFACE_H

#include <tqpixmap.h>
#include <dcopobject.h>
#include <tqstringlist.h>
#include <kurl.h>

/**
 * Generic DCOP interface for KDE instant messenger applications
 * Note one omission of this interface is the lack of control over the range of values used for protocols' names.
 * @author Will Stephenson <lists@stevello.free-online.co.uk>
 */
class KIMIface : virtual public DCOPObject
{
    K_DCOP

        k_dcop:
    // ACCESSORS
    // contact list
    /**
     * Obtain a list of IM-contactable entries in the KDE
     * address book.
     * @return a list of KABC uids.
     */
    virtual TQStringList allContacts() = 0;
    /**
     * Obtain a list of  KDE address book entries who are
     * currently reachable.
     * @return a list of KABC uids who can receive a message, even if online.
     */
    virtual TQStringList reachableContacts() = 0;
    /**
     * Obtain a list of  KDE address book entries who are
     * currently online.
     * @return a list of KABC uids who are online with unspecified presence.
     */
    virtual TQStringList onlineContacts() = 0;
    /**
     * Obtain a list of  KDE address book entries who may
     * receive file transfers.
     * @return a list of KABC uids capable of file transfer.
     */
    virtual TQStringList fileTransferContacts() = 0;

    // individual
    /**
     * Confirm if a given KABC uid is known to KIMProxy
     * @param uid the KABC uid you are interested in.
     * @return whether one of the chat programs KIMProxy talks to knows of this KABC uid.
     */
    virtual bool isPresent( const TQString & uid ) = 0;
    /**
     * Obtain the IM app's idea of the contact's display name
     * Useful if KABC lookups may be too slow
     * @param uid KABC uid.
     * @return The corresponding display name.
     */
    virtual TQString displayName( const TQString & uid ) = 0;
    /**
     * Obtain the IM presence as a i18ned string for the specified addressee
     * @param uid the KABC uid you want the presence for.
     * @return the i18ned string describing presence.
     */
    virtual TQString presenceString( const TQString & uid ) = 0;
    /**
     * Obtain the IM presence as a number (see KIMIface) for the specified addressee
     * @param uid the KABC uid you want the presence for.
     * @return a numeric representation of presence - currently one of 0 (Unknown), 1 (Offline), 2 (Connecting), 3 (Away), 4 (Online)
     */
    virtual int presenceStatus( const TQString & uid ) = 0;
    /**
     * Indicate if a given uid can receive files
     * @param uid the KABC uid you are interested in.
     * @return Whether the specified addressee can receive files.
     */
    virtual bool canReceiveFiles( const TQString & uid ) = 0;
    /**
     * Some media are unidirectional (eg, sending SMS via a web interface).
     * @param uid the KABC uid you are interested in.
     * @return Whether the specified addressee can respond.
     */
    virtual bool canRespond( const TQString & uid ) = 0;
    /**
     * Get the KABC uid corresponding to the supplied IM address
     * Protocols should be
     * @param contactId the protocol specific identifier for the contact, eg UIN for ICQ, screenname for AIM, nick for IRC.
     * @param protocol the protocol, eg one of "AIMProtocol", "MSNProtocol", "ICTQProtocol",
     * @return a KABC uid or null if none found/
     */
    virtual TQString locate( const TQString & contactId, const TQString & protocol ) = 0;
    // metadata
    /**
     * Obtain the icon representing IM presence for the specified addressee
     * @param uid the KABC uid you want the presence for.
     * @return a pixmap representing the uid's presence.
     */
    virtual TQPixmap icon( const TQString & uid ) = 0;
    /**
     * Get the supplied addressee's current context (home, work, or any).
     * @param uid the KABC uid you want the context for.
     * @return A TQString describing the context, or null if not supported.
     */
    virtual TQString context( const TQString & uid ) = 0;
    // App capabilities
    /**
     * Discover what protocols the application supports
     * @return the set of protocols that the application supports
     */
    virtual TQStringList protocols() = 0;

    // ACTORS
    /**
     * Send a single message to the specified addressee
     * Any response will be handled by the IM client as a normal
     * conversation.
     * @param uid the KABC uid you want to chat with.
     * @param message the message to send them.
     */
    virtual void messageContact( const TQString &uid, const TQString& message ) = 0;

    /**
     * Open a chat to a contact, and optionally set some initial text
     */
    virtual void messageNewContact( const TQString &contactId, const TQString &protocol ) = 0;

    /**
     * Start a chat session with the specified addressee
     * @param uid the KABC uid you want to chat with.
     */
    virtual void chatWithContact( const TQString &uid ) = 0;

    /**
     * Send the file to the contact
     * @param uid the KABC uid you are sending to.
     * @param sourceURL a KURL to send.
     * @param altFileName an alternate filename describing the file
     * @param fileSize file size in bytes
     */
    virtual void sendFile(const TQString &uid, const KURL &sourceURL,
        const TQString &altFileName = TQString(), uint fileSize = 0) = 0;

    // MUTATORS
    // Contact list
    /**
     * Add a contact to the contact list
     * @param contactId the protocol specific identifier for the contact, eg UIN for ICQ, screenname for AIM, nick for IRC.
     * @param protocol the protocol, eg one of "AIMProtocol", "MSNProtocol", "ICTQProtocol", ...
     * @return whether the add succeeded.  False may signal already present, protocol not supported, or add operation not supported.
     */
    virtual bool addContact( const TQString &contactId, const TQString &protocol ) = 0;
    // SIGNALS
    k_dcop_signals:
    /**
     * Indicates that a contact's presence has changed
     * @param uid the contact whose presence changed.
     * @param appId the dcop application id of the program the signal originates from.
     * @param presence the new numeric presence @ref presenceStatus
     */
    void contactPresenceChanged( TQString uid, TQCString appId, int presence );
};
#endif
