/** * @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; // Fired when there is a change in the agent's name name_changed_signal_t sNameChangedSignal; void addNameChangedCallback(const name_changed_signal_t::slot_type& cb) { sNameChangedSignal.connect(cb); } } 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); LLSD args; args["OLD_NAME"] = old_display_name; args["SLID"] = av_name.mUsername; args["NEW_NAME"] = av_name.mDisplayName; LLNotificationsUtil::add("DisplayNameUpdate", args); if (agent_id == gAgent.getID()) { LLViewerDisplayName::sNameChangedSignal(); } } }; LLHTTPRegistration<LLSetDisplayNameReply> gHTTPRegistrationMessageSetDisplayNameReply( "/message/SetDisplayNameReply"); LLHTTPRegistration<LLDisplayNameUpdate> gHTTPRegistrationMessageDisplayNameUpdate( "/message/DisplayNameUpdate");