1 files changed, 208 insertions, 0 deletions

diff --git a/linden/indra/newview/llviewerdisplayname.cpp b/linden/indra/newview/llviewerdisplayname.cpp
new file mode 100644
index 0000000..6a7cab3
--- /dev/null
+++ b/linden/indra/newview/llviewerdisplayname.cpp
@@ -0,0 +1,208 @@
+/** 
+ * @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 "llnotifications.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;
+                LLNotifications::instance().add("DisplayNameUpdate", args);
+                if (agent_id == gAgent.getID())
+                {
+                        LLViewerDisplayName::sNameChangedSignal();
+                }
+        }
+};
+
+LLHTTPRegistration<LLSetDisplayNameReply>
+    gHTTPRegistrationMessageSetDisplayNameReply(
+                "/message/SetDisplayNameReply");
+
+LLHTTPRegistration<LLDisplayNameUpdate>
+    gHTTPRegistrationMessageDisplayNameUpdate(
+                "/message/DisplayNameUpdate");