talk/examples/chat/textchatsendtask.cc

/*
 * libjingle
 * Copyright 2004--2013, Google Inc.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
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 *     this list of conditions and the following disclaimer in the documentation
 *     and/or other materials provided with the distribution.
 *  3. The name of the author may not be used to endorse or promote products
 *     derived from this software without specific prior written permission.
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 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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 */

#include "talk/examples/chat/textchatsendtask.h"

#include "talk/xmpp/constants.h"
#include "talk/xmpp/xmppclient.h"

namespace buzz {
TextChatSendTask::TextChatSendTask(XmppTaskParentInterface* parent)
  : XmppTask(parent) {
}

TextChatSendTask::~TextChatSendTask() {
  Stop();
}

XmppReturnStatus TextChatSendTask::Send(const Jid& to,
                                        const std::string& textmessage) {
  // Make sure we are actually connected.
  if (GetState() != STATE_INIT && GetState() != STATE_START) {
    return XMPP_RETURN_BADSTATE;
  }

  // Put together the chat stanza...
  XmlElement* message_stanza = new XmlElement(QN_MESSAGE);

  // ... and specify the required attributes...
  message_stanza->AddAttr(QN_TO, to.Str());
  message_stanza->AddAttr(QN_TYPE, "chat");
  message_stanza->AddAttr(QN_LANG, "en");

  // ... and fill out the body.
  XmlElement* message_body = new XmlElement(QN_BODY);
  message_body->AddText(textmessage);
  message_stanza->AddElement(message_body);

  // Now queue it up.
  QueueStanza(message_stanza);

  return XMPP_RETURN_OK;
}

int TextChatSendTask::ProcessStart() {
  const XmlElement* stanza = NextStanza();
  if (stanza == NULL) {
    return STATE_BLOCKED;
  }

  if (SendStanza(stanza) != XMPP_RETURN_OK) {
    return STATE_ERROR;
  }

  return STATE_START;
}

}  // namespace buzz