Merge from http://hg.secondlife.com/viewer-identity (display names)

1 files changed, 208 insertions, 0 deletions

diff --git a/indra/newview/llviewerdisplayname.cpp b/indra/newview/llviewerdisplayname.cpp
new file mode 100644
index 0000000000..5741fab29a
--- /dev/null
+++ b/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 "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");