20 files changed, 1411 insertions, 5 deletions

diff --git a/.hgignore b/.hgignore
index b180d92003..35651757e7 100644
--- a/.hgignore
+++ b/.hgignore
@@ -70,3 +70,4 @@ glob:indra/newview/avatar_icons_cache.txt
 glob:indra/newview/avatar_lad.log
 glob:*.diff
 *.rej
+indra/newview/stat
diff --git a/indra/llmessage/CMakeLists.txt b/indra/llmessage/CMakeLists.txt
index d98781e9e6..9974d103a2 100644
--- a/indra/llmessage/CMakeLists.txt
+++ b/indra/llmessage/CMakeLists.txt
@@ -38,6 +38,7 @@ set(llmessage_SOURCE_FILES
     llcurl.cpp
     lldatapacker.cpp
     lldispatcher.cpp
+	llexperiencecache.cpp
     llfiltersd2xmlrpc.cpp
     llhost.cpp
     llhttpassetstorage.cpp
@@ -128,6 +129,7 @@ set(llmessage_HEADER_FILES
     lldbstrings.h
     lldispatcher.h
     lleventflags.h
+	llexperiencecache.h
     llfiltersd2xmlrpc.h
     llfollowcamparams.h
     llhost.h
diff --git a/indra/llmessage/llexperiencecache.cpp b/indra/llmessage/llexperiencecache.cpp
new file mode 100644
index 0000000000..18b950b61e
--- /dev/null
+++ b/indra/llmessage/llexperiencecache.cpp
@@ -0,0 +1,612 @@
+/** 
+ * @file llexperiencecache.cpp
+ * @brief llexperiencecache and related class definitions
+ *
+ * $LicenseInfo:firstyear=2012&license=viewerlgpl$
+ * Second Life Viewer Source Code
+ * Copyright (C) 2012, 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 "llexperiencecache.h"
+
+#include "llavatarname.h"
+#include "llframetimer.h"
+#include "llhttpclient.h"
+#include "llsdserialize.h"
+#include <set>
+#include <map>
+#include "boost/tokenizer.hpp"
+
+
+
+
+
+namespace LLExperienceCache
+{
+	const std::string& MAP_KEY = PUBLIC_KEY;
+	std::string sLookupURL;
+
+	typedef std::map<LLUUID, std::string> ask_queue_t;
+	ask_queue_t sAskQueue;
+
+	typedef std::map<LLUUID, F64> pending_queue_t;
+	pending_queue_t sPendingQueue;
+
+	cache_t sCache;
+	int sMaximumLookups = 10;
+
+	LLFrameTimer sRequestTimer;
+
+	// Periodically clean out expired entries from the cache
+	LLFrameTimer sEraseExpiredTimer;
+
+	// May have multiple callbacks for a single ID, which are
+	// represented as multiple slots bound to the signal.
+	// Avoid copying signals via pointers.
+	typedef std::map<LLUUID, callback_signal_t*> signal_map_t;
+	signal_map_t sSignalMap;
+
+
+	bool max_age_from_cache_control(const std::string& cache_control, S32 *max_age);
+	void eraseExpired();
+
+	void processExperience( const LLUUID& public_key, const LLSD& experience ) 
+	{
+		sCache[public_key]=experience;
+		LLSD & row = sCache[public_key];
+
+		if(row.has("expires"))
+		{
+			row["expires"] = row["expires"].asReal() + LLFrameTimer::getTotalSeconds();
+		}
+
+		if(row.has(PUBLIC_KEY))
+		{
+			sPendingQueue.erase(row[PUBLIC_KEY].asUUID());
+		}
+
+		if(row.has(PRIVATE_KEY))
+		{
+			sPendingQueue.erase(row[PRIVATE_KEY].asUUID());
+		}
+
+		if(row.has(CREATOR_KEY))
+		{
+			sPendingQueue.erase(row[CREATOR_KEY].asUUID());
+		}
+
+			
+		//signal
+		signal_map_t::iterator sig_it =	sSignalMap.find(public_key);
+		if (sig_it != sSignalMap.end())
+		{
+			callback_signal_t* signal = sig_it->second;
+			(*signal)(experience);
+
+			sSignalMap.erase(public_key);
+
+			delete signal;
+		}
+	}
+
+	void initClass( )
+	{
+	}
+
+	const cache_t& getCached()
+	{
+		return sCache;
+	}
+
+	void setMaximumLookups( int maximumLookups)
+	{
+		sMaximumLookups = maximumLookups;
+	}
+
+
+	bool expirationFromCacheControl(LLSD headers, F64 *expires)
+	{
+		// Allow the header to override the default
+		LLSD cache_control_header = headers["cache-control"];
+		if (cache_control_header.isDefined())
+		{
+			S32 max_age = 0;
+			std::string cache_control = cache_control_header.asString();
+			if (max_age_from_cache_control(cache_control, &max_age))
+			{
+				LL_WARNS("ExperienceCache") 
+					<< "got expiration from headers, max_age " << max_age 
+					<< LL_ENDL;
+				F64 now = LLFrameTimer::getTotalSeconds();
+				*expires = now + (F64)max_age;
+				return true;
+			}
+		}
+		return false;
+	}
+
+
+	static const std::string MAX_AGE("max-age");
+	static const boost::char_separator<char> EQUALS_SEPARATOR("=");
+	static const boost::char_separator<char> COMMA_SEPARATOR(",");
+
+	bool max_age_from_cache_control(const std::string& cache_control, S32 *max_age)
+	{
+		// Split the string on "," to get a list of directives
+		typedef boost::tokenizer<boost::char_separator<char> > tokenizer;
+		tokenizer directives(cache_control, COMMA_SEPARATOR);
+
+		tokenizer::iterator token_it = directives.begin();
+		for ( ; token_it != directives.end(); ++token_it)
+		{
+			// Tokens may have leading or trailing whitespace
+			std::string token = *token_it;
+			LLStringUtil::trim(token);
+
+			if (token.compare(0, MAX_AGE.size(), MAX_AGE) == 0)
+			{
+				// ...this token starts with max-age, so let's chop it up by "="
+				tokenizer subtokens(token, EQUALS_SEPARATOR);
+				tokenizer::iterator subtoken_it = subtokens.begin();
+
+				// Must have a token
+				if (subtoken_it == subtokens.end()) return false;
+				std::string subtoken = *subtoken_it;
+
+				// Must exactly equal "max-age"
+				LLStringUtil::trim(subtoken);
+				if (subtoken != MAX_AGE) return false;
+
+				// Must have another token
+				++subtoken_it;
+				if (subtoken_it == subtokens.end()) return false;
+				subtoken = *subtoken_it;
+
+				// Must be a valid integer
+				// *NOTE: atoi() returns 0 for invalid values, so we have to
+				// check the string first.
+				// *TODO: Do servers ever send "0000" for zero?  We don't handle it
+				LLStringUtil::trim(subtoken);
+				if (subtoken == "0")
+				{
+					*max_age = 0;
+					return true;
+				}
+				S32 val = atoi( subtoken.c_str() );
+				if (val > 0 && val < S32_MAX)
+				{
+					*max_age = val;
+					return true;
+				}
+				return false;
+			}
+		}
+		return false;
+	}
+
+
+	void importFile(std::istream& istr)
+	{
+		LLSD data;
+		S32 parse_count = LLSDSerialize::fromXMLDocument(data, istr);
+		if(parse_count < 1) return;
+
+		LLSD experiences = data["experiences"];
+
+		LLUUID public_key;
+		LLSD::map_const_iterator it = experiences.beginMap();
+		for(; it != experiences.endMap() ; ++it)
+		{
+			public_key.set(it->first);
+			sCache[public_key]=it->second;
+		}
+
+		LL_INFOS("ExperienceCache") << "loaded " << sCache.size() << LL_ENDL;
+	}
+
+	void exportFile(std::ostream& ostr)
+	{
+		LLSD experiences;
+
+		cache_t::const_iterator it =sCache.begin();
+		for( ; it != sCache.end() ; ++it)
+		{
+			if(!it->second.has(PUBLIC_KEY) || it->second[PUBLIC_KEY].asUUID().isNull() ||
+				it->second.has("error"))
+				continue;
+
+			experiences[it->first.asString()] = it->second;
+		}
+
+		LLSD data;
+		data["experiences"] = experiences;
+
+		LLSDSerialize::toPrettyXML(data, ostr);
+	}
+
+	class LLExperienceResponder : public LLHTTPClient::Responder
+	{
+	public:
+		LLExperienceResponder(const ask_queue_t& keys)
+			:mKeys(keys)
+		{
+
+		}
+
+		virtual void completedHeader(U32 status, const std::string& reason, const LLSD& content)
+		{
+			mHeaders = content;
+		}
+
+		virtual void result(const LLSD& content)
+		{
+			LLSD experiences = content["experience_keys"];
+			LLSD::array_const_iterator it = experiences.beginArray();
+			for( /**/ ; it != experiences.endArray(); ++it)
+			{
+				const LLSD& row = *it;
+				LLUUID public_key = row[PUBLIC_KEY].asUUID();
+
+
+				LL_INFOS("ExperienceCache") << "Received result for " << public_key 
+					<< " display '" << row[LLExperienceCache::NAME].asString() << "'" << LL_ENDL ;
+
+				processExperience(public_key, row);
+			}
+
+			LLSD error_ids = content["error_ids"];
+			LLSD::map_const_iterator errIt = error_ids.beginMap();
+			for( /**/ ; errIt != error_ids.endMap() ; ++errIt )
+			{
+				LLUUID id = LLUUID(errIt->first);			
+				for( it = errIt->second.beginArray(); it != errIt->second.endArray() ; ++it)
+				{
+					LL_INFOS("ExperienceCache") << "Clearing error result for " << id 
+						<< " of type '" << it->asString() << "'" << LL_ENDL ;
+
+					erase(id, it->asString());
+				}
+			}
+
+			LL_INFOS("ExperienceCache") << sCache.size() << " cached experiences" << LL_ENDL;
+		}
+
+		virtual void error(U32 status, const std::string& reason)
+		{
+ 			LL_WARNS("ExperienceCache") << "Request failed "<<status<<" "<<reason<< LL_ENDL;
+ 			// We're going to construct a dummy record and cache it for a while,
+ 			// either briefly for a 503 Service Unavailable, or longer for other
+ 			// errors.
+ 			F64 retry_timestamp = errorRetryTimestamp(status);
+ 
+ 
+ 			// Add dummy records for all agent IDs in this request
+ 			ask_queue_t::const_iterator it = mKeys.begin();
+ 			for ( ; it != mKeys.end(); ++it)
+			{
+				LLSD exp;
+				exp["expires"]=retry_timestamp;
+				exp[it->second] = it->first;
+				exp["key_type"] = it->second;
+				exp["uuid"] = it->first;
+				exp["error"] = (LLSD::Integer)status;
+ 				LLExperienceCache::processExperience(it->first, exp);
+ 			}
+
+		}
+
+		// Return time to retry a request that generated an error, based on
+		// error type and headers.  Return value is seconds-since-epoch.
+		F64 errorRetryTimestamp(S32 status)
+		{
+
+			// Retry-After takes priority
+			LLSD retry_after = mHeaders["retry-after"];
+			if (retry_after.isDefined())
+			{
+				// We only support the delta-seconds type
+				S32 delta_seconds = retry_after.asInteger();
+				if (delta_seconds > 0)
+				{
+					// ...valid delta-seconds
+					return F64(delta_seconds);
+				}
+			}
+
+			// If no Retry-After, look for Cache-Control max-age
+			F64 expires = 0.0;
+			if (LLExperienceCache::expirationFromCacheControl(mHeaders, &expires))
+			{
+				return expires;
+			}
+
+			// No information in header, make a guess
+			if (status == 503)
+			{
+				// ...service unavailable, retry soon
+				const F64 SERVICE_UNAVAILABLE_DELAY = 600.0; // 10 min
+				return SERVICE_UNAVAILABLE_DELAY;
+			}
+			else if (status == 499)
+			{
+				// ...we were probably too busy, retry quickly
+				const F64 BUSY_DELAY = 10.0; // 10 seconds
+				return BUSY_DELAY;
+
+			}
+			else
+			{
+				// ...other unexpected error
+				const F64 DEFAULT_DELAY = 3600.0; // 1 hour
+				return DEFAULT_DELAY;
+			}
+		}
+
+	private:
+		ask_queue_t mKeys;
+		LLSD mHeaders;
+	};
+
+	void requestExperiences() 
+	{
+		if(sAskQueue.empty() || sLookupURL.empty())
+			return;
+
+		F64 now = LLFrameTimer::getTotalSeconds();
+
+		const U32 EXP_URL_SEND_THRESHOLD = 3000;
+
+
+		std::ostringstream ostr;
+
+		ask_queue_t keys;
+
+		ostr << sLookupURL;
+
+		char arg='?';
+
+		int request_count = 0;
+		for(ask_queue_t::const_iterator it = sAskQueue.begin() ; it != sAskQueue.end() && request_count < sMaximumLookups; ++it)
+		{
+			const LLUUID& key = it->first;
+			const std::string& key_type = it->second;
+
+			ostr << arg << key_type << '=' << key.asString() ;
+		
+			keys[key]=key_type;
+			request_count++;
+
+			sPendingQueue[key] = now;
+
+			arg='&';
+
+			if(ostr.tellp() > EXP_URL_SEND_THRESHOLD)
+			{
+				LL_INFOS("ExperienceCache") <<  " query: " << ostr.str() << LL_ENDL;
+				LLHTTPClient::get(ostr.str(), new LLExperienceResponder(keys));
+				ostr.clear();
+				ostr.str(sLookupURL);
+				arg='?';
+				keys.clear();
+			}
+		}
+
+		if(ostr.tellp() > sLookupURL.size())
+		{
+			LL_INFOS("ExperienceCache") <<  " query: " << ostr.str() << LL_ENDL;
+			LLHTTPClient::get(ostr.str(), new LLExperienceResponder(keys));
+		}
+
+		sAskQueue.clear();
+	}
+
+	bool isRequestPending(const LLUUID& public_key)
+	{
+		bool isPending = false;
+		const F64 PENDING_TIMEOUT_SECS = 5.0 * 60.0;
+
+		pending_queue_t::const_iterator it = sPendingQueue.find(public_key);
+
+		if(it != sPendingQueue.end())
+		{
+			F64 expire_time = LLFrameTimer::getTotalSeconds() - PENDING_TIMEOUT_SECS;
+			isPending = (it->second > expire_time);
+		}
+
+		return isPending;
+	}
+
+
+	void setLookupURL( const std::string& lookup_url )
+	{
+		sLookupURL = lookup_url;
+		if(!sLookupURL.empty())
+		{
+			sLookupURL += "id/";
+		}
+	}
+
+	bool hasLookupURL()
+	{
+		return !sLookupURL.empty();
+	}
+
+	void idle()
+	{
+
+		const F32 SECS_BETWEEN_REQUESTS = 0.1f;
+		if (!sRequestTimer.checkExpirationAndReset(SECS_BETWEEN_REQUESTS))
+		{
+			return;
+		}
+
+		// Must be large relative to above
+		const F32 ERASE_EXPIRED_TIMEOUT = 60.f; // seconds
+		if (sEraseExpiredTimer.checkExpirationAndReset(ERASE_EXPIRED_TIMEOUT))
+		{
+			eraseExpired();
+		}
+
+
+		if(!sAskQueue.empty())
+		{
+			requestExperiences();
+		}
+	}
+
+	struct FindByKey
+	{
+		FindByKey(const LLUUID& key, const std::string& key_type):mKey(key), mKeyType(key_type){}
+		const LLUUID& mKey;
+		const std::string& mKeyType;
+
+		bool operator()(cache_t::value_type& experience)
+		{
+			return experience.second.has(mKeyType) && experience.second[mKeyType].asUUID() == mKey;
+		}
+	};
+
+
+	cache_t::iterator Find(const LLUUID& key, const std::string& key_type)
+	{
+		LL_INFOS("ExperienceCache") << " searching for " << key << " of type " << key_type << LL_ENDL;
+		if(key_type == MAP_KEY)
+		{
+			return sCache.find(key);
+		}
+
+		return std::find_if(sCache.begin(), sCache.end(), FindByKey(key, key_type));
+	}
+
+
+	void erase( const LLUUID& key, const std::string& key_type )
+	{
+		cache_t::iterator it = Find(key, key_type);
+				
+		if(it != sCache.end())
+		{
+			sCache.erase(it);
+		}
+	}
+
+	void eraseExpired()
+	{
+		F64 now = LLFrameTimer::getTotalSeconds();
+		cache_t::iterator it = sCache.begin();
+		while (it != sCache.end())
+		{
+			cache_t::iterator cur = it;
+			LLSD& exp = cur->second;
+			++it;
+			if(exp.has("expires") && exp["expires"].asReal() < now)
+			{
+				if(exp.has("key_type") && exp.has("uuid"))
+				{
+					fetch(exp["uuid"].asUUID(), exp["key_type"].asString(), true);
+					sCache.erase(cur);
+				}
+				else if(exp.has(MAP_KEY))
+				{
+					LLUUID id = exp[MAP_KEY];
+					if(!id.isNull())
+					{
+						fetch(id, MAP_KEY, true);
+					}
+				}
+			}
+		}
+	}
+
+	
+	bool fetch( const LLUUID& key, const std::string& key_type, bool refresh/* = true*/ ) 
+	{
+		if(!key.isNull() && !isRequestPending(key) && (refresh || Find(key, key_type)==sCache.end()))
+		{
+			LL_INFOS("ExperienceCache") << " queue request for " << key_type << " " << key << LL_ENDL ;
+			sAskQueue[key]=key_type;
+
+			return true;
+		}
+		return false;
+	}
+
+	void insert(const LLSD& experience_data )
+	{
+		if(experience_data.has(MAP_KEY))
+		{
+			sCache[experience_data[MAP_KEY].asUUID()]=experience_data;
+		}
+		else
+		{
+			LL_WARNS("ExperienceCache") << ": Ignoring cache insert of experience which is missing " << MAP_KEY << LL_ENDL;
+		}
+	}
+
+	bool get( const LLUUID& key, const std::string& key_type, LLSD& experience_data )
+	{
+		if(key.isNull()) return false;
+		cache_t::const_iterator it = Find(key, key_type);
+	
+		if (it != sCache.end())
+		{
+			experience_data = it->second;
+			return true;
+		}
+		
+		fetch(key, key_type);
+
+		return false;
+	}
+
+
+	void get( const LLUUID& key, const std::string& key_type, callback_slot_t slot )
+	{
+		if(key.isNull()) return;
+
+		cache_t::const_iterator it = Find(key, key_type);
+		if (it != sCache.end())
+		{
+			// ...name already exists in cache, fire callback now
+			callback_signal_t signal;
+			signal.connect(slot);
+			
+			signal(it->second);
+			return;
+		}
+
+		fetch(key, key_type);
+
+		// always store additional callback, even if request is pending
+		signal_map_t::iterator sig_it = sSignalMap.find(key);
+		if (sig_it == sSignalMap.end())
+		{
+			// ...new callback for this id
+			callback_signal_t* signal = new callback_signal_t();
+			signal->connect(slot);
+			sSignalMap[key] = signal;
+		}
+		else
+		{
+			// ...existing callback, bind additional slot
+			callback_signal_t* signal = sig_it->second;
+			signal->connect(slot);
+		}
+	}
+
+}
diff --git a/indra/llmessage/llexperiencecache.h b/indra/llmessage/llexperiencecache.h
new file mode 100644
index 0000000000..396a244935
--- /dev/null
+++ b/indra/llmessage/llexperiencecache.h
@@ -0,0 +1,84 @@
+/** 
+ * @file llexperiencecache.h
+ * @brief Caches information relating to experience keys
+ *
+ * $LicenseInfo:firstyear=2012&license=viewerlgpl$
+ * Second Life Viewer Source Code
+ * Copyright (C) 2012, 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
+ * $/LicenseInfo$
+ */
+
+
+
+#ifndef LL_LLEXPERIENCECACHE_H
+#define LL_LLEXPERIENCECACHE_H
+
+#include "linden_common.h"
+#include <boost/signals2.hpp>
+
+class LLSD;
+class LLUUID;
+
+
+
+namespace LLExperienceCache
+{
+	const std::string PUBLIC_KEY	= "public-id";
+	const std::string PRIVATE_KEY	= "private-id";
+	const std::string CREATOR_KEY	= "creator-id";
+	const std::string NAME			= "name";
+	const std::string PROPERTIES	= "properties";
+	const std::string EXPIRES		= "expires";  
+
+	const int EXPERIENCE_INVALID    = (1 << 0);
+	const int EXPERIENCE_NORMAL     = (1 << 1);
+	const int EXPERIENCE_REGION     = (1 << 2);
+	const static F64 DEFAULT_EXPIRATION = 600.0;
+
+	// dummy name used when we have nothing else
+	const std::string DUMMY_NAME = "\?\?\?";
+	// Callback types for get() below
+	typedef boost::signals2::signal<void (const LLSD& experience)>
+		callback_signal_t;
+	typedef callback_signal_t::slot_type callback_slot_t;
+	typedef std::map<LLUUID, LLSD> cache_t;
+
+
+	void setLookupURL(const std::string& lookup_url);
+	bool hasLookupURL();
+
+	void setMaximumLookups(int maximumLookups);
+
+	void idle();
+	void exportFile(std::ostream& ostr);
+	void importFile(std::istream& istr);
+	void initClass();
+	
+	void erase(const LLUUID& key, const std::string& key_type);
+	bool fetch(const LLUUID& key, const std::string& key_type, bool refresh = false);
+	void insert(LLSD& experience_data);
+	bool get(const LLUUID& key, const std::string& key_type, LLSD& experience_data);
+
+	// If name information is in cache, callback will be called immediately.
+	void get(const LLUUID& key, const std::string& key_type, callback_slot_t slot);
+
+	const cache_t& getCached();
+};
+
+#endif // LL_LLEXPERIENCECACHE_H
diff --git a/indra/newview/CMakeLists.txt b/indra/newview/CMakeLists.txt
index dff2c04fbc..20999c9028 100755
--- a/indra/newview/CMakeLists.txt
+++ b/indra/newview/CMakeLists.txt
@@ -202,6 +202,7 @@ set(viewer_SOURCE_FILES
     llfloatereditwater.cpp
     llfloaterenvironmentsettings.cpp
     llfloaterevent.cpp
+    llfloaterexperiences.cpp
     llfloaterfonttest.cpp
     llfloatergesture.cpp
     llfloatergodtools.cpp
@@ -371,6 +372,7 @@ set(viewer_SOURCE_FILES
     llpanelclassified.cpp
     llpanelcontents.cpp
     llpaneleditwearable.cpp
+    llpanelexperiences.cpp
     llpanelface.cpp
     llpanelgenerictip.cpp
     llpanelgroup.cpp
@@ -779,6 +781,7 @@ set(viewer_HEADER_FILES
     llfloatereditwater.h
     llfloaterenvironmentsettings.h
     llfloaterevent.h
+    llfloaterexperiences.h
     llfloaterfonttest.h
     llfloatergesture.h
     llfloatergodtools.h
@@ -942,6 +945,7 @@ set(viewer_HEADER_FILES
     llpanelclassified.h
     llpanelcontents.h
     llpaneleditwearable.h
+    llpanelexperiences.h
     llpanelface.h
     llpanelgenerictip.h
     llpanelgroup.h
diff --git a/indra/newview/llappviewer.cpp b/indra/newview/llappviewer.cpp
index 30f82926f1..c4fdc1ee21 100644
--- a/indra/newview/llappviewer.cpp
+++ b/indra/newview/llappviewer.cpp
@@ -100,6 +100,7 @@
 // Linden library includes
 #include "llavatarnamecache.h"
 #include "lldiriterator.h"
+#include "llexperiencecache.h"
 #include "llimagej2c.h"
 #include "llmemory.h"
 #include "llprimitive.h"
@@ -4149,7 +4150,7 @@ void LLAppViewer::loadNameCache()
 }
 
 void LLAppViewer::saveNameCache()
-	{
+{
 	// display names cache
 	std::string filename =
 		gDirUtilp->getExpandedFilename(LL_PATH_CACHE, "avatar_name_cache.xml");
@@ -4157,7 +4158,7 @@ void LLAppViewer::saveNameCache()
 	if(name_cache_stream.is_open())
 	{
 		LLAvatarNameCache::exportFile(name_cache_stream);
-}
+	}
 
 	if (!gCacheName) return;
 
@@ -4170,6 +4171,32 @@ void LLAppViewer::saveNameCache()
 	}
 }
 
+
+void LLAppViewer::saveExperienceCache()
+{
+	std::string filename =
+		gDirUtilp->getExpandedFilename(LL_PATH_CACHE, "experience_cache.xml");
+	LL_INFOS("ExperienceCache") << "Saving " << filename << LL_ENDL;
+	llofstream cache_stream(filename);
+	if(cache_stream.is_open())
+	{
+		LLExperienceCache::exportFile(cache_stream);
+	}
+}
+
+void LLAppViewer::loadExperienceCache()
+{
+	std::string filename =
+		gDirUtilp->getExpandedFilename(LL_PATH_CACHE, "experience_cache.xml");
+	LL_INFOS("ExperienceCache") << "Loading " << filename << LL_ENDL;
+	llifstream cache_stream(filename);
+	if(cache_stream.is_open())
+	{
+		LLExperienceCache::importFile(cache_stream);
+	}
+}
+
+
 /*!	@brief		This class is an LLFrameTimer that can be created with
 				an elapsed time that starts counting up from the given value
 				rather than 0.0.
@@ -4372,7 +4399,7 @@ void LLAppViewer::idle()
 	    // floating throughout the various object lists.
 	    //
 		idleNameCache();
-    
+		idleExperienceCache();
 		idleNetwork();
 	    	        
 
@@ -4786,6 +4813,22 @@ void LLAppViewer::idleNameCache()
 	LLAvatarNameCache::idle();
 }
 
+void LLAppViewer::idleExperienceCache()
+{
+	LLViewerRegion* region = gAgent.getRegion();
+	if (!region) return;
+	
+	std::string lookup_url=region->getCapability("GetExperienceInfo"); 
+	if(!lookup_url.empty() && lookup_url.back() != '/')
+	{
+		lookup_url += '/';
+	}
+	
+	LLExperienceCache::setLookupURL(lookup_url);
+
+	LLExperienceCache::idle();
+}
+
 //
 // Handle messages, and all message related stuff
 //
@@ -4949,6 +4992,7 @@ void LLAppViewer::disconnectViewer()
 	}
 
 	saveNameCache();
+	saveExperienceCache();
 
 	// close inventory interface, close all windows
 	LLFloaterInventory::cleanup();
diff --git a/indra/newview/llappviewer.h b/indra/newview/llappviewer.h
index 7a474f9122..4bf6bec0e8 100644
--- a/indra/newview/llappviewer.h
+++ b/indra/newview/llappviewer.h
@@ -114,6 +114,10 @@ public:
     void loadNameCache();
     void saveNameCache();
 
+	void loadExperienceCache();
+	void saveExperienceCache();
+
+
 	void removeMarkerFile(bool leave_logout_marker = false);
 	
     // LLAppViewer testing helpers.
@@ -218,6 +222,7 @@ private:
     void idle(); 
     void idleShutdown();
 	// update avatar SLID and display name caches
+	void idleExperienceCache();
 	void idleNameCache();
     void idleNetwork();
 
diff --git a/indra/newview/llfloaterexperiences.cpp b/indra/newview/llfloaterexperiences.cpp
new file mode 100644
index 0000000000..b862b41bba
--- /dev/null
+++ b/indra/newview/llfloaterexperiences.cpp
@@ -0,0 +1,14 @@
+#include "llviewerprecompiledheaders.h"
+
+#include "llpanelexperiences.h"
+#include "llfloaterexperiences.h"
+
+LLFloaterExperiences::LLFloaterExperiences(const LLSD& data)
+	:LLFloater(data)
+{
+}
+
+BOOL LLFloaterExperiences::postBuild()
+{
+	return TRUE;
+}
diff --git a/indra/newview/llfloaterexperiences.h b/indra/newview/llfloaterexperiences.h
new file mode 100644
index 0000000000..1e5f216f8d
--- /dev/null
+++ b/indra/newview/llfloaterexperiences.h
@@ -0,0 +1,45 @@
+/** 
+ * @file llfloaterexperiences.h
+ * @brief LLFloaterExperiences class definition
+ *
+ * $LicenseInfo:firstyear=2012&license=viewerlgpl$
+ * Second Life Viewer Source Code
+ * Copyright (C) 2012, 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
+ * $/LicenseInfo$
+ */
+
+#ifndef LL_LLFLOATEREXPERIENCES_H
+#define LL_LLFLOATEREXPERIENCES_H
+
+#include "llfloater.h"
+
+class LLFloaterExperiences :
+	public LLFloater
+{
+public:
+	LLFloaterExperiences(const LLSD& data);
+
+protected:
+	/*virtual*/ BOOL	postBuild();
+
+private:
+
+};
+
+#endif //LL_LLFLOATEREXPERIENCES_H
diff --git a/indra/newview/llpanelexperiences.cpp b/indra/newview/llpanelexperiences.cpp
new file mode 100644
index 0000000000..02a3c4c410
--- /dev/null
+++ b/indra/newview/llpanelexperiences.cpp
@@ -0,0 +1,302 @@
+#include "llviewerprecompiledheaders.h"
+
+
+#include "llpanelprofile.h"
+#include "lluictrlfactory.h"
+#include "llexperiencecache.h"
+#include "llagent.h"
+
+#include "llpanelexperiences.h"
+
+
+static LLRegisterPanelClassWrapper<LLPanelExperiences> register_experiences_panel("experiences_panel");
+
+
+LLPanelExperiences::LLPanelExperiences(  )
+	:	mExperiencesList(NULL),
+	mExperiencesAccTab(NULL),
+	mProfilePanel(NULL),
+	mPanelExperienceInfo(NULL),
+	mNoExperiences(false)
+{
+
+}
+
+void* LLPanelExperiences::create( void* data )
+{
+	return new LLPanelExperiences();
+}
+
+void ExperienceResult(LLHandle<LLPanelExperiences> panel, const LLSD& experience)
+{
+	LLPanelExperiences* experiencePanel = panel.get();
+	if(experiencePanel)
+	{
+		experiencePanel->addExperienceInfo(experience);
+	}
+}
+
+class LLExperienceListResponder : public LLHTTPClient::Responder
+{
+public:
+	LLExperienceListResponder(const LLHandle<LLPanelExperiences>& parent):mParent(parent)
+	{
+	}
+
+	LLHandle<LLPanelExperiences> mParent;
+
+	virtual void result(const LLSD& content)
+	{
+		if(mParent.isDead())
+			return;
+
+		LLSD experiences = content["experiences"];
+		LLSD::array_const_iterator it = experiences.beginArray();
+		for( /**/ ; it != experiences.endArray(); ++it)
+		{
+			LLUUID public_key = it->asUUID();
+
+			LLExperienceCache::get(public_key, LLExperienceCache::PUBLIC_KEY, boost::bind(ExperienceResult, mParent, _1));
+		}
+	}
+};
+
+void LLPanelExperiences::addExperienceInfo(const LLSD& experience)
+{
+	LLExperienceItem* item = new LLExperienceItem();
+	if(experience.has(LLExperienceCache::NAME))
+	{
+		item->setExperienceName(experience[LLExperienceCache::NAME].asString());
+	}
+	else if(experience.has("error"))
+	{
+		item->setExperienceName(experience["error"].asString());
+	}
+
+	if(experience.has(LLExperienceCache::PUBLIC_KEY))
+	{
+		item->setExperienceDescription(experience[LLExperienceCache::PUBLIC_KEY].asString());
+	}
+
+	mExperiencesList->addItem(item);
+
+}
+
+
+BOOL LLPanelExperiences::postBuild( void )
+{
+	mExperiencesList = getChild<LLFlatListView>("experiences_list");
+	if(hasString("no_experiences"))
+	{
+		mExperiencesList->setNoItemsCommentText(getString("no_experiences"));
+	}
+
+
+	LLViewerRegion* region = gAgent.getRegion();
+	if (region)
+	{
+		std::string lookup_url=region->getCapability("GetExperiences"); 
+		if(!lookup_url.empty())
+		{
+			LLHTTPClient::get(lookup_url, new LLExperienceListResponder(getDerivedHandle<LLPanelExperiences>()));
+		}
+	}
+
+	mExperiencesAccTab = getChild<LLAccordionCtrlTab>("tab_experiences");
+	mExperiencesAccTab->setDropDownStateChangedCallback(boost::bind(&LLPanelExperiences::onAccordionStateChanged, this, mExperiencesAccTab));
+	mExperiencesAccTab->setDisplayChildren(true);
+
+	return TRUE;
+}
+
+void LLPanelExperiences::onOpen( const LLSD& key )
+{
+	LLPanel::onOpen(key);
+}
+
+void LLPanelExperiences::onClosePanel()
+{
+	if (mPanelExperienceInfo)
+	{
+		onPanelExperienceClose(mPanelExperienceInfo);
+	}
+}
+
+void LLPanelExperiences::updateData()
+{
+	if(isDirty())
+	{
+		mNoExperiences = false;
+	}
+}
+
+LLExperienceItem* LLPanelExperiences::getSelectedExperienceItem()
+{
+	LLPanel* selected_item = mExperiencesList->getSelectedItem();
+	if (!selected_item) return NULL;
+
+	return dynamic_cast<LLExperienceItem*>(selected_item);
+}
+
+void LLPanelExperiences::setProfilePanel( LLPanelProfile* profile_panel )
+{
+	mProfilePanel = profile_panel;
+}
+
+void LLPanelExperiences::onListCommit( const LLFlatListView* f_list )
+{
+	if(f_list == mExperiencesList)
+	{
+		mExperiencesList->resetSelection(true);
+	}
+	else
+	{
+		llwarns << "Unknown list" << llendl;
+	}
+	
+	//updateButtons();
+}
+
+void LLPanelExperiences::onAccordionStateChanged( const LLAccordionCtrlTab* acc_tab )
+{
+	if(!mExperiencesAccTab->getDisplayChildren())
+	{
+		mExperiencesList->resetSelection(true);
+	}
+
+}
+
+void LLPanelExperiences::openExperienceInfo()
+{
+	LLSD selected_value = mExperiencesList->getSelectedValue();
+	if(selected_value.isUndefined())
+	{
+		return;
+	}
+
+	LLExperienceItem* experience = (LLExperienceItem*)mExperiencesList->getSelectedItem();
+
+	createExperienceInfoPanel();
+
+	LLSD params;
+	params["experience_name"] = experience->getExperienceName();
+	params["experience_desc"] = experience->getExperienceDescription();
+
+	getProfilePanel()->openPanel(mPanelExperienceInfo, params);
+
+}
+
+
+void LLPanelExperiences::createExperienceInfoPanel()
+{
+	if(!mPanelExperienceInfo)
+	{
+		mPanelExperienceInfo = LLPanelExperienceInfo::create();
+		mPanelExperienceInfo->setExitCallback(boost::bind(&LLPanelExperiences::onPanelExperienceClose, this, mPanelExperienceInfo));
+		mPanelExperienceInfo->setVisible(FALSE);
+	}
+}
+
+void LLPanelExperiences::onPanelExperienceClose( LLPanel* panel )
+{
+	getProfilePanel()->closePanel(panel);
+}
+
+LLPanelProfile* LLPanelExperiences::getProfilePanel()
+{
+	llassert_always(NULL != mProfilePanel);
+	
+	return mProfilePanel;
+}
+
+
+
+
+
+
+
+
+
+
+
+LLExperienceItem::LLExperienceItem()
+{
+	buildFromFile("panel_experience_info.xml");
+}
+
+void LLExperienceItem::init( LLSD* experience_data )
+{
+	if(experience_data)
+	{
+		setExperienceDescription(experience_data->has(LLExperienceCache::PUBLIC_KEY)?(*experience_data)[LLExperienceCache::PUBLIC_KEY].asString() : std::string());
+		setExperienceName(experience_data->has(LLExperienceCache::NAME)?(*experience_data)[LLExperienceCache::NAME].asString() : std::string());
+	}
+}
+
+void LLExperienceItem::setExperienceDescription( const std::string& val )
+{
+	mExperienceDescription = val;
+	getChild<LLUICtrl>("experience_desc")->setValue(val);
+}
+
+void LLExperienceItem::setExperienceName( const std::string& val )
+{
+	mExperienceName = val;
+	getChild<LLUICtrl>("experience_name")->setValue(val);
+}
+
+BOOL LLExperienceItem::postBuild()
+{
+	return TRUE;
+}
+
+void LLExperienceItem::update()
+{
+
+}
+
+void LLExperienceItem::processProperties( void* data, EAvatarProcessorType type )
+{
+
+}
+
+LLExperienceItem::~LLExperienceItem()
+{
+
+}
+
+
+void LLPanelExperienceInfo::setExperienceName( const std::string& name )
+{
+	getChild<LLUICtrl>("experience_name")->setValue(name);
+}
+
+void LLPanelExperienceInfo::setExperienceDesc( const std::string& desc )
+{
+	getChild<LLUICtrl>("experience_desc")->setValue(desc);
+}
+
+void LLPanelExperienceInfo::onOpen( const LLSD& key )
+{
+	setExperienceName(key["experience_name"]);
+	setExperienceDesc(key["experience_desc"]);
+
+	/*
+	LLAvatarPropertiesProcessor::getInstance()->addObserver(
+	getAvatarId(), this);
+	LLAvatarPropertiesProcessor::getInstance()->sendPickInfoRequest(
+	getAvatarId(), getPickId());
+	*/
+}
+
+LLPanelExperienceInfo* LLPanelExperienceInfo::create()
+{
+	LLPanelExperienceInfo* panel = new LLPanelExperienceInfo();
+	panel->buildFromFile("panel_experience_info.xml");
+	return panel;
+}
+
+void LLPanelExperienceInfo::setExitCallback( const commit_callback_t& cb )
+{
+	getChild<LLButton>("back_btn")->setClickedCallback(cb);
+}
diff --git a/indra/newview/llpanelexperiences.h b/indra/newview/llpanelexperiences.h
new file mode 100644
index 0000000000..1fe3f6ae1d
--- /dev/null
+++ b/indra/newview/llpanelexperiences.h
@@ -0,0 +1,119 @@
+/** 
+ * @file llpanelpicks.h
+ * @brief LLPanelPicks and related class definitions
+ *
+ * $LicenseInfo:firstyear=2012&license=viewerlgpl$
+ * Second Life Viewer Source Code
+ * Copyright (C) 2012, 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
+ * $/LicenseInfo$
+ */
+
+#ifndef LL_LLPANELEXPERIENCES_H
+#define LL_LLPANELEXPERIENCES_H
+
+#include "llaccordionctrltab.h"
+#include "llflatlistview.h"
+#include "llpanelavatar.h"
+
+class LLExperienceItem;
+class LLPanelProfile; 
+
+class LLPanelExperienceInfo
+	: public LLPanel
+{
+public:
+	static LLPanelExperienceInfo* create();
+	
+	void onOpen(const LLSD& key);
+	void setExperienceName( const std::string& name );
+	void setExperienceDesc( const std::string& desc );
+
+
+	virtual void setExitCallback(const commit_callback_t& cb);
+};
+
+
+class LLPanelExperiences
+	: public LLPanel /*LLPanelProfileTab*/
+{
+public:
+	LLPanelExperiences();
+
+	static void* create(void* data);
+
+	/*virtual*/ BOOL postBuild(void);
+
+	/*virtual*/ void onOpen(const LLSD& key);
+
+	/*virtual*/ void onClosePanel();
+
+	void updateData();
+
+	LLExperienceItem* getSelectedExperienceItem();
+
+	void setProfilePanel(LLPanelProfile* profile_panel);
+	void addExperienceInfo(const LLSD& experience);
+protected:
+
+	void onListCommit(const LLFlatListView* f_list);
+	void onAccordionStateChanged(const LLAccordionCtrlTab* acc_tab);
+
+
+	void openExperienceInfo();
+	void createExperienceInfoPanel();
+	void onPanelExperienceClose(LLPanel* panel);
+	LLPanelProfile* getProfilePanel();
+private:
+	LLFlatListView* mExperiencesList;
+	LLAccordionCtrlTab* mExperiencesAccTab;
+	LLPanelProfile* mProfilePanel;
+	LLPanelExperienceInfo* mPanelExperienceInfo;
+	bool mNoExperiences;
+};
+
+
+class LLExperienceItem 
+	: public LLPanel
+	//, public LLAvatarPropertiesObserver
+{
+public:
+	LLExperienceItem();
+	~LLExperienceItem();
+
+	void init(LLSD* experience_data);
+	/*virtual*/ BOOL postBuild();
+	void update();
+
+	/*virtual*/ void processProperties(void* data, EAvatarProcessorType type);
+
+	void setCreatorID(const LLUUID& val) { mCreatorID = val; }
+	void setExperienceDescription(const std::string& val);
+	void setExperienceName(const std::string& val);
+
+	const LLUUID& getCreatorID() const { return mCreatorID; }
+	const std::string& getExperienceName() const { return mExperienceName; }
+	const std::string& getExperienceDescription() const { return mExperienceDescription; }
+
+protected:
+	LLUUID mCreatorID;
+
+	std::string mExperienceName;
+	std::string mExperienceDescription;
+};
+#endif // LL_LLPANELEXPERIENCES_H
diff --git a/indra/newview/llstartup.cpp b/indra/newview/llstartup.cpp
index 3d1fd74ba6..a58a26b6fe 100755
--- a/indra/newview/llstartup.cpp
+++ b/indra/newview/llstartup.cpp
@@ -47,6 +47,7 @@
 
 #include "llares.h"
 #include "llavatarnamecache.h"
+#include "llexperiencecache.h"
 #include "lllandmark.h"
 #include "llcachename.h"
 #include "lldir.h"
@@ -1398,6 +1399,9 @@ bool idle_startup()
 		LLStartUp::initNameCache();
 		display_startup();
 
+		LLStartUp::initExperienceCache();
+		display_startup();
+
 		// update the voice settings *after* gCacheName initialization
 		// so that we can construct voice UI that relies on the name cache
 		LLVoiceClient::getInstance()->updateSettings();
@@ -2809,6 +2813,13 @@ void LLStartUp::initNameCache()
 	LLAvatarNameCache::setUseDisplayNames(gSavedSettings.getBOOL("UseDisplayNames"));
 }
 
+
+void LLStartUp::initExperienceCache()
+{
+	LLAppViewer::instance()->loadExperienceCache();
+	LLExperienceCache::initClass();
+}
+
 void LLStartUp::cleanupNameCache()
 {
 	LLAvatarNameCache::cleanupClass();
@@ -3504,3 +3515,4 @@ void transition_back_to_login_panel(const std::string& emsg)
 	reset_login(); // calls LLStartUp::setStartupState( STATE_LOGIN_SHOW );
 	gSavedSettings.setBOOL("AutoLogin", FALSE);
 }
+
diff --git a/indra/newview/llstartup.h b/indra/newview/llstartup.h
index 760e38890b..00e03bcda6 100755
--- a/indra/newview/llstartup.h
+++ b/indra/newview/llstartup.h
@@ -91,6 +91,7 @@ public:
 	static void fontInit();
 
 	static void initNameCache();
+	static void initExperienceCache();
 	
 	static void cleanupNameCache();
 
diff --git a/indra/newview/llviewerfloaterreg.cpp b/indra/newview/llviewerfloaterreg.cpp
index 1f7cf0cdd4..5582d256f8 100644
--- a/indra/newview/llviewerfloaterreg.cpp
+++ b/indra/newview/llviewerfloaterreg.cpp
@@ -56,6 +56,7 @@
 #include "llfloatereditsky.h"
 #include "llfloatereditwater.h"
 #include "llfloaterenvironmentsettings.h"
+#include "llfloaterexperiences.h"
 #include "llfloaterevent.h"
 #include "llfloaterdestinations.h"
 #include "llfloaterfonttest.h"
@@ -204,7 +205,8 @@ void LLViewerFloaterReg::registerFloaters()
 	LLFloaterReg::add("env_edit_day_cycle", "floater_edit_day_cycle.xml", (LLFloaterBuildFunc)&LLFloaterReg::build<LLFloaterEditDayCycle>);
 
 	LLFloaterReg::add("event", "floater_event.xml", (LLFloaterBuildFunc)&LLFloaterReg::build<LLFloaterEvent>);
-	
+	LLFloaterReg::add("experiences", "floater_experiences.xml", (LLFloaterBuildFunc)&LLFloaterReg::build<LLFloaterExperiences>);
+
 	LLFloaterReg::add("font_test", "floater_font_test.xml", (LLFloaterBuildFunc)&LLFloaterReg::build<LLFloaterFontTest>);
 
 	LLFloaterReg::add("gestures", "floater_gesture.xml", (LLFloaterBuildFunc)&LLFloaterReg::build<LLFloaterGesture>);
diff --git a/indra/newview/llviewerregion.cpp b/indra/newview/llviewerregion.cpp
index b607afbd9d..7417e4fa06 100644
--- a/indra/newview/llviewerregion.cpp
+++ b/indra/newview/llviewerregion.cpp
@@ -1536,6 +1536,8 @@ void LLViewerRegionImpl::buildCapabilityNames(LLSD& capabilityNames)
 	}
 
 	capabilityNames.append("GetDisplayNames");
+	capabilityNames.append("GetExperiences");
+	capabilityNames.append("GetExperienceInfo");
 	capabilityNames.append("GetMesh");
 	capabilityNames.append("GetObjectCost");
 	capabilityNames.append("GetObjectPhysicsData");
diff --git a/indra/newview/llvoavatar.cpp b/indra/newview/llvoavatar.cpp
index 627238b0f5..2d89db6e28 100755
--- a/indra/newview/llvoavatar.cpp
+++ b/indra/newview/llvoavatar.cpp
@@ -48,6 +48,7 @@
 #include "llanimationstates.h"
 #include "llavatarnamecache.h"
 #include "llavatarpropertiesprocessor.h"
+#include "llexperiencecache.h"
 #include "llphysicsmotion.h"
 #include "llviewercontrol.h"
 #include "llcallingcard.h"		// IDEVO for LLAvatarTracker
@@ -2516,7 +2517,7 @@ void LLVOAvatar::idleUpdate(LLAgent &agent, LLWorld &world, const F64 &time)
 		idleUpdateBelowWater();	// wind effect uses this
 		idleUpdateWindEffect();
 	}
-	
+		
 	idleUpdateNameTag( root_pos_last );
 	idleUpdateRenderCost();
 }
diff --git a/indra/newview/skins/default/xui/en/floater_experiences.xml b/indra/newview/skins/default/xui/en/floater_experiences.xml
new file mode 100644
index 0000000000..57541c8b35
--- /dev/null
+++ b/indra/newview/skins/default/xui/en/floater_experiences.xml
@@ -0,0 +1,29 @@
+<?xml version="1.0" encoding="UTF-8" standalone="yes" ?>
+
+<floater
+  positioning="cascading"
+  can_close="true"
+  can_resize="true"
+  height="400"
+  help_topic="sidebar_experiences"
+  min_height="300"
+  min_width="300"
+  layout="topleft"
+  name="floater_experiences"
+  save_rect="false"
+  single_instance="true"
+  reuse_instance="false"
+  title="EXPERIENCES"
+  width="400">
+  <panel
+    top="3"
+    left="3"
+    layout="topleft"
+    right="-3"
+    follows="all"
+    height="300"
+    class="experiences_panel"
+    filename="panel_experiences.xml"
+    >
+  </panel>
+</floater>
diff --git a/indra/newview/skins/default/xui/en/menu_viewer.xml b/indra/newview/skins/default/xui/en/menu_viewer.xml
index 18932a32d0..9b24460ddf 100644
--- a/indra/newview/skins/default/xui/en/menu_viewer.xml
+++ b/indra/newview/skins/default/xui/en/menu_viewer.xml
@@ -53,6 +53,14 @@
          parameter="" />
       </menu_item_call>
       <menu_item_call
+        label="Experiences..."
+        name="Experiences"
+        shortcut="control|E">
+        <menu_item_call.on_click 
+          function="Floater.ToggleOrBringToFront"
+          parameter="experiences"/>
+      </menu_item_call>
+      <menu_item_call
        label="Places..."
        name="Places">
         <menu_item_call.on_click
diff --git a/indra/newview/skins/default/xui/en/panel_experience_info.xml b/indra/newview/skins/default/xui/en/panel_experience_info.xml
new file mode 100644
index 0000000000..47f366d857
--- /dev/null
+++ b/indra/newview/skins/default/xui/en/panel_experience_info.xml
@@ -0,0 +1,79 @@
+<?xml version="1.0" encoding="utf-8" standalone="yes" ?>
+<panel
+  bg_opaque_color="DkGray2"
+  background_visible="true"
+  background_opaque="true"
+  fit_parent="true"
+  follows="all"
+  height="120"
+  label="Experiences"
+  layout="topleft"
+  left="0"
+  name="panel_experience_info"
+  top_pad="0">
+  <text
+    follows="top|left|right"
+    font="SansSerifHugeBold"
+    height="26"
+    layout="topleft"
+    left_pad="4"
+    name="title"
+    text_color="White"
+    top="2"
+    value="Experience Info"
+    use_ellipses="true"
+    right="-3"/>
+  <text
+    follows="top|left|right"
+    font="SansSerifBig"
+    height="20"
+    layout="topleft"
+    left_pad="4"
+    name="name_label"
+    text_color="White"
+    left="8"
+    top_delta="28"
+    value="Name"
+    use_ellipses="true"
+    right="-3" />
+  <text
+    follows="top|left|right"
+    font="SansSerif"
+    height="20"
+    layout="topleft"
+    left_pad="8"
+    name="experience_name"
+    text_color="White"
+    left="16"
+    top_delta="22"
+    value="[loading...]"
+    use_ellipses="true"
+    right="-3" />
+  <text
+    follows="top|left|right"
+    font="SansSerifBig"
+    height="20"
+    left="8"
+    layout="topleft"
+    left_pad="4"
+    name="desc_label"
+    text_color="White"
+    top_delta="22"
+    value="Description"
+    use_ellipses="true"
+    right="-3" />
+  <expandable_text
+    follows="top|left|right"
+    font="SansSerif"
+    height="20"
+    layout="topleft"
+    left_pad="8"
+    name="experience_desc"
+    text_color="White"
+    left="16"
+    top_delta="22"
+    value="[loading...]"
+    use_ellipses="true"
+    right="-3"
+    word_wrap="true"  />
+</panel>
diff --git a/indra/newview/skins/default/xui/en/panel_experiences.xml b/indra/newview/skins/default/xui/en/panel_experiences.xml
new file mode 100644
index 0000000000..47a3005aae
--- /dev/null
+++ b/indra/newview/skins/default/xui/en/panel_experiences.xml
@@ -0,0 +1,40 @@
+<?xml version="1.0" encoding="utf-8" standalone="yes" ?>
+
+<panel
+  layout="topleft"
+  top="3"
+  left="3"
+  right="-3"
+  bottom="-3"
+  label="Experiences"
+  follows="all">
+  <string
+    name="no_experiences"
+    value="No experiences."/>
+
+  <accordion
+    fit_parent="true"
+    layout="topleft"
+    top="0"
+    left="3"
+    right="-3"
+    bottom="-3"
+    single_expansion="true"
+    follows="all">
+    <accordion_tab
+      name="tab_experiences"
+      layout="topleft"
+      top="0"
+      left="0"
+      right="-3"
+      title="Experiences"
+      follows="all">
+      <flat_list_view
+        name="experiences_list"
+        layout="topleft"
+        top="0"
+        left="0"
+        follows="all"/>
+    </accordion_tab>
+  </accordion>
+</panel>