class RosterItem;

class ContactRosterItem;

class FileTransferController;

class ChatWindow {

public:

enum AckState {Pending, Received, Failed};

enum ReceiptState {ReceiptRequested, ReceiptReceived};

enum Tristate {Yes, No, Maybe};

enum FileTransferState {WaitingForAccept, Negotiating, Transferring, Canceled, Finished, FTFailed};

ChatWindow() {}

virtual ~ChatWindow() {};

/** Add message to window.

* @return id of added message (for acks).

*/

virtual std::string addMessage(const std::string& message, const std::string& senderName, bool senderIsSelf, boost::shared_ptr<SecurityLabel> label, const std::string& avatarPath, const boost::posix_time::ptime& time) = 0;

/** Adds action to window.