| /* |
| * libjingle |
| * Copyright 2004--2005, Google Inc. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions are met: |
| * |
| * 1. Redistributions of source code must retain the above copyright notice, |
| * this list of conditions and the following disclaimer. |
| * 2. Redistributions in binary form must reproduce the above copyright notice, |
| * 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. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED |
| * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF |
| * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO |
| * EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, |
| * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; |
| * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, |
| * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR |
| * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF |
| * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| |
| #include "talk/examples/call/discoitemsquerytask.h" |
| #include "talk/base/scoped_ptr.h" |
| #include "talk/xmpp/constants.h" |
| |
| |
| namespace buzz { |
| |
| namespace { |
| const int kDiscoItemsTimeout = 60; |
| } // namespace |
| |
| DiscoItemsQueryTask::DiscoItemsQueryTask(XmppTaskParentInterface* parent, |
| const std::string& node, |
| const Jid& to) |
| : XmppTask(parent, XmppEngine::HL_SINGLE), node_(node) { |
| set_timeout_seconds(kDiscoItemsTimeout); |
| to_ = to; |
| } |
| |
| int DiscoItemsQueryTask::ProcessStart() { |
| talk_base::scoped_ptr<XmlElement> get(MakeIq(STR_GET, to_, task_id())); |
| |
| XmlElement* element = new XmlElement(QN_DISCO_ITEMS_QUERY, true); |
| element->AddAttr(QN_NODE, node_); |
| |
| get->AddElement(element); |
| |
| if (SendStanza(get.get()) != XMPP_RETURN_OK) { |
| SignalDiscoItemsError(to_, NULL); |
| return STATE_ERROR; |
| } |
| |
| return STATE_RESPONSE; |
| } |
| |
| int DiscoItemsQueryTask::ProcessResponse() { |
| const XmlElement* stanza = NextStanza(); |
| if (stanza == NULL) |
| return STATE_BLOCKED; |
| |
| bool success = false; |
| if (stanza->Attr(QN_TYPE) != STR_ERROR) { |
| const XmlElement* query = stanza->FirstNamed(QN_DISCO_ITEMS_QUERY); |
| if (query) { |
| SignalGotDiscoItems(to_, query); |
| success = true; |
| } |
| } |
| |
| if (!success) { |
| SignalDiscoItemsError(to_, stanza->FirstNamed(QN_ERROR)); |
| } |
| |
| return STATE_DONE; |
| } |
| |
| int DiscoItemsQueryTask::OnTimeout() { |
| SignalDiscoItemsError(to_, NULL); |
| return XmppTask::OnTimeout(); |
| } |
| |
| bool DiscoItemsQueryTask::HandleStanza(const XmlElement* stanza) { |
| if (!MatchResponseIq(stanza, to_, task_id())) |
| return false; |
| QueueStanza(stanza); |
| return true; |
| |
| } |
| |
| } |