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