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/**
* @file llviewerdisplayname.cpp
* @brief Wrapper for display name functionality
*
* $LicenseInfo:firstyear=2010&license=viewerlgpl$
* Second Life Viewer Source Code
* Copyright (C) 2010, Linden Research, Inc.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation;
* version 2.1 of the License only.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*
* Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA
* $/LicenseInfo$
*/
#include "llviewerprecompiledheaders.h"
#include "llviewerdisplayname.h"
// viewer includes
#include "llagent.h"
#include "llviewerregion.h"
#include "llvoavatar.h"
// library includes
#include "llavatarnamecache.h"
#include "llhttpclient.h"
#include "llhttpnode.h"
#include "llnotificationsutil.h"
#include "llui.h" // getLanguage()
namespace LLViewerDisplayName
{
// Fired when viewer receives server response to display name change
set_name_signal_t sSetDisplayNameSignal;
}
class LLSetDisplayNameResponder : public LLHTTPClient::Responder
{
public:
// only care about errors
/*virtual*/ void error(U32 status, const std::string& reason)
{
LLViewerDisplayName::sSetDisplayNameSignal(false, "", LLSD());
LLViewerDisplayName::sSetDisplayNameSignal.disconnect_all_slots();
}
};
void LLViewerDisplayName::set(const std::string& display_name, const set_name_slot_t& slot)
{
// TODO: simple validation here
LLViewerRegion* region = gAgent.getRegion();
llassert(region);
std::string cap_url = region->getCapability("SetDisplayName");
if (cap_url.empty())
{
// this server does not support display names, report error
slot(false, "unsupported", LLSD());
return;
}
// People API can return localized error messages. Indicate our
// language preference via header.
LLSD headers;
headers["Accept-Language"] = LLUI::getLanguage();
// People API requires both the old and new value to change a variable.
// Our display name will be in cache before the viewer's UI is available
// to request a change, so we can use direct lookup without callback.
LLAvatarName av_name;
if (!LLAvatarNameCache::get( gAgent.getID(), &av_name))
{
slot(false, "name unavailable", LLSD());
return;
}
// People API expects array of [ "old value", "new value" ]
LLSD change_array = LLSD::emptyArray();
change_array.append(av_name.mDisplayName);
change_array.append(display_name);
llinfos << "Set name POST to " << cap_url << llendl;
// Record our caller for when the server sends back a reply
sSetDisplayNameSignal.connect(slot);
// POST the requested change. The sim will not send a response back to
// this request directly, rather it will send a separate message after it
// communicates with the back-end.
LLSD body;
body["display_name"] = change_array;
LLHTTPClient::post(cap_url, body, new LLSetDisplayNameResponder, headers);
}
class LLSetDisplayNameReply : public LLHTTPNode
{
LOG_CLASS(LLSetDisplayNameReply);
public:
/*virtual*/ void post(
LLHTTPNode::ResponsePtr response,
const LLSD& context,
const LLSD& input) const
{
LLSD body = input["body"];
S32 status = body["status"].asInteger();
bool success = (status == 200);
std::string reason = body["reason"].asString();
LLSD content = body["content"];
llinfos << "status " << status << " reason " << reason << llendl;
// If viewer's concept of display name is out-of-date, the set request
// will fail with 409 Conflict. If that happens, fetch up-to-date
// name information.
if (status == 409)
{
LLUUID agent_id = gAgent.getID();
// Flush stale data
LLAvatarNameCache::erase( agent_id );
// Queue request for new data
LLAvatarName ignored;
LLAvatarNameCache::get( agent_id, &ignored );
// Kill name tag, as it is wrong
LLVOAvatar::invalidateNameTag( agent_id );
}
// inform caller of result
LLViewerDisplayName::sSetDisplayNameSignal(success, reason, content);
LLViewerDisplayName::sSetDisplayNameSignal.disconnect_all_slots();
}
};
class LLDisplayNameUpdate : public LLHTTPNode
{
/*virtual*/ void post(
LLHTTPNode::ResponsePtr response,
const LLSD& context,
const LLSD& input) const
{
LLSD body = input["body"];
LLUUID agent_id = body["agent_id"];
std::string old_display_name = body["old_display_name"];
// By convention this record is called "agent" in the People API
LLSD name_data = body["agent"];
// Inject the new name data into cache
LLAvatarName av_name;
av_name.fromLLSD( name_data );
llinfos << "name-update now " << LLDate::now()
<< " next_update " << LLDate(av_name.mNextUpdate)
<< llendl;
// Name expiration time may be provided in headers, or we may use a
// default value
// *TODO: get actual headers out of ResponsePtr
//LLSD headers = response->mHeaders;
LLSD headers;
av_name.mExpires =
LLAvatarNameCache::nameExpirationFromHeaders(headers);
LLAvatarNameCache::insert(agent_id, av_name);
// force name tag to update
LLVOAvatar::invalidateNameTag(agent_id);
// Don't show a notification for my name, because we'll show a nicer
// dialog
if (agent_id != gAgent.getID())
{
LLSD args;
args["OLD_NAME"] = old_display_name;
args["SLID"] = av_name.mUsername;
args["NEW_NAME"] = av_name.mDisplayName;
LLNotificationsUtil::add("DisplayNameUpdate", args);
}
}
};
LLHTTPRegistration<LLSetDisplayNameReply>
gHTTPRegistrationMessageSetDisplayNameReply(
"/message/SetDisplayNameReply");
LLHTTPRegistration<LLDisplayNameUpdate>
gHTTPRegistrationMessageDisplayNameUpdate(
"/message/DisplayNameUpdate");
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