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.

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

*/

virtual std::string addAction(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;

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

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

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

virtual void replaceMessage(const std::string& message, const std::string& id, const boost::posix_time::ptime& time) = 0;

// File transfer related stuff

virtual std::string addFileTransfer(const std::string& senderName, bool senderIsSelf, const std::string& filename, const boost::uintmax_t sizeInBytes) = 0;

virtual void setFileTransferProgress(std::string, const int percentageDone) = 0;

virtual void setFileTransferStatus(std::string, const FileTransferState state, const std::string& msg = "") = 0;

virtual void addMUCInvitation(const std::string& senderName, const JID& jid, const std::string& reason, const std::string& password, bool direct = true) = 0;

// message receipts

virtual void setMessageReceiptState(const std::string& id, ChatWindow::ReceiptState state) = 0;