class ContactRosterItem;

class FileTransferController;

class ChatWindow {

public:

enum AckState {Pending, Received, Failed};

enum ReceiptState {ReceiptRequested, ReceiptReceived};

enum Tristate {Yes, No, Maybe};

enum OccupantAction {Kick, Ban, MakeModerator, MakeParticipant, MakeVisitor, AddContact};

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.

virtual SecurityLabelsCatalog::Item getSelectedSecurityLabel() = 0;

virtual void setInputEnabled(bool enabled) = 0;

virtual void setRosterModel(Roster* model) = 0;

virtual void setTabComplete(TabComplete* completer) = 0;

virtual void replaceLastMessage(const std::string& message) = 0;

virtual void setAckState(const std::string& id, AckState state) = 0;

virtual void flash() = 0;

virtual void setSubject(const std::string& subject) = 0;

virtual void setAffiliations(MUCOccupant::Affiliation, const std::vector<JID>&) = 0;

/**

* Set an alert on the window.

* @param alertText Description of alert (required).

* @param buttonText Button text to use (optional, no button is shown if empty).

*/

virtual void setAlert(const std::string& alertText, const std::string& buttonText = "") = 0;

/**

* Removes an alert.

*/