74 lines
3.0 KiB
C
74 lines
3.0 KiB
C
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/*
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* libjingle
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* Copyright 2004--2012, Google Inc.
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*
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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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*
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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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*
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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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*/
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#ifndef THIRD_PARTY_LIBJINGLE_FILES_TALK_XMPP_PRESENCERECEIVETASK_H_
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#define THIRD_PARTY_LIBJINGLE_FILES_TALK_XMPP_PRESENCERECEIVETASK_H_
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#include "talk/base/sigslot.h"
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#include "talk/xmpp/presencestatus.h"
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#include "talk/xmpp/xmpptask.h"
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namespace buzz {
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// A task to receive presence status callbacks from the XMPP server.
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class PresenceReceiveTask : public XmppTask {
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public:
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// Arguments:
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// parent a reference to task interface associated withe the XMPP client.
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explicit PresenceReceiveTask(XmppTaskParentInterface* parent);
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// Shuts down the thread associated with this task.
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virtual ~PresenceReceiveTask();
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// Starts pulling queued status messages and dispatching them to the
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// PresenceUpdate() callback.
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virtual int ProcessStart();
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// Slot for presence message callbacks
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sigslot::signal1<const PresenceStatus&> PresenceUpdate;
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protected:
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// Called by the XMPP engine when presence stanzas are received from the
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// server.
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virtual bool HandleStanza(const XmlElement * stanza);
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private:
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// Handles presence stanzas by converting the data to PresenceStatus
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// objects and passing those along to the SignalStatusUpadate() callback.
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void HandlePresence(const Jid& from, const XmlElement * stanza);
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// Extracts presence information for the presence stanza sent form the
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// server.
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static void DecodeStatus(const Jid& from, const XmlElement * stanza,
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PresenceStatus* status);
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};
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} // namespace buzz
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#endif // THIRD_PARTY_LIBJINGLE_FILES_TALK_XMPP_PRESENCERECEIVETASK_H_
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