Display names from Phoenix. Thanks Wolfspirit!

That's quite a piece of work. I have NO idea how Jess can downplay the
effort that went into this.

And it's still not complete, local chat is not affected, perhaps group
chat too.

indra/llcommon/CMakeLists.txt

@@ -15,6 +15,7 @@ set(llcommon_SOURCE_FILES
     llapp.cpp
     llapr.cpp
     llassettype.cpp
+	llavatarname.cpp
     llbase32.cpp
     llbase64.cpp
     llcommon.cpp
@@ -85,6 +86,7 @@ set(llcommon_HEADER_FILES
     llassettype.h
     llassoclist.h
     llavatarconstants.h
+    llavatarname.h
     llbase32.h
     llbase64.h
     llboost.h

indra/llcommon/llavatarname.cpp

@@ -0,0 +1,117 @@
+/** 
+ * @file llavatarname.cpp
+ * @brief Represents name-related data for an avatar, such as the
+ * username/SLID ("bobsmith123" or "james.linden") and the display
+ * name ("James Cook")
+ *
+ * $LicenseInfo:firstyear=2010&license=viewerlgpl$
+ * 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
+ * $/LicenseInfo$
+ */
+
+/*
+Ported to Phoenix by Wolfspirit Magic.
+*/
+#include "linden_common.h"
+
+#include "llavatarname.h"
+
+#include "lldate.h"
+#include "llsd.h"
+
+// Store these in pre-built std::strings to avoid memory allocations in
+// LLSD map lookups
+static const std::string USERNAME("username");
+static const std::string DISPLAY_NAME("display_name");
+static const std::string LEGACY_FIRST_NAME("legacy_first_name");
+static const std::string LEGACY_LAST_NAME("legacy_last_name");
+static const std::string IS_DISPLAY_NAME_DEFAULT("is_display_name_default");
+static const std::string DISPLAY_NAME_EXPIRES("display_name_expires");
+static const std::string DISPLAY_NAME_NEXT_UPDATE("display_name_next_update");
+
+LLAvatarName::LLAvatarName()
+:	mUsername(),
+	mDisplayName(),
+	mLegacyFirstName(),
+	mLegacyLastName(),
+	mIsDisplayNameDefault(false),
+	mIsDummy(false),
+	mExpires(F64_MAX),
+	mNextUpdate(0.0)
+{ }
+
+bool LLAvatarName::operator<(const LLAvatarName& rhs) const
+{
+	if (mUsername == rhs.mUsername)
+		return mDisplayName < rhs.mDisplayName;
+	else
+		return mUsername < rhs.mUsername;
+}
+
+LLSD LLAvatarName::asLLSD() const
+{
+	LLSD sd;
+	sd[USERNAME] = mUsername;
+	sd[DISPLAY_NAME] = mDisplayName;
+	sd[LEGACY_FIRST_NAME] = mLegacyFirstName;
+	sd[LEGACY_LAST_NAME] = mLegacyLastName;
+	sd[IS_DISPLAY_NAME_DEFAULT] = mIsDisplayNameDefault;
+	sd[DISPLAY_NAME_EXPIRES] = LLDate(mExpires);
+	sd[DISPLAY_NAME_NEXT_UPDATE] = LLDate(mNextUpdate);
+	return sd;
+}
+
+void LLAvatarName::fromLLSD(const LLSD& sd)
+{
+	mUsername = sd[USERNAME].asString();
+	mDisplayName = sd[DISPLAY_NAME].asString();
+	mLegacyFirstName = sd[LEGACY_FIRST_NAME].asString();
+	mLegacyLastName = sd[LEGACY_LAST_NAME].asString();
+	mIsDisplayNameDefault = sd[IS_DISPLAY_NAME_DEFAULT].asBoolean();
+	LLDate expires = sd[DISPLAY_NAME_EXPIRES];
+	mExpires = expires.secondsSinceEpoch();
+	LLDate next_update = sd[DISPLAY_NAME_NEXT_UPDATE];
+	mNextUpdate = next_update.secondsSinceEpoch();
+}
+
+std::string LLAvatarName::getCompleteName() const
+{
+	std::string name;
+	if (!mUsername.empty())
+	{
+		name = mDisplayName + " (" + mUsername + ")";
+	}
+	else
+	{
+		// ...display names are off, legacy name is in mDisplayName
+		name = mDisplayName;
+	}
+	return name;
+}
+
+std::string LLAvatarName::getLegacyName() const
+{
+	std::string name;
+	name.reserve( mLegacyFirstName.size() + 1 + mLegacyLastName.size() );
+	name = mLegacyFirstName;
+	name += " ";
+	name += mLegacyLastName;
+	return name;
+}

indra/llcommon/llavatarname.h

@@ -0,0 +1,95 @@
+/** 
+ * @file llavatarname.h
+ * @brief Represents name-related data for an avatar, such as the
+ * username/SLID ("bobsmith123" or "james.linden") and the display
+ * name ("James Cook")
+ *
+ * $LicenseInfo:firstyear=2010&license=viewerlgpl$
+ * 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
+ * $/LicenseInfo$
+ */
+#ifndef LLAVATARNAME_H
+#define LLAVATARNAME_H
+
+#include <string>
+
+class LLSD;
+
+class LLAvatarName
+{
+public:
+	LLAvatarName();
+	
+	bool operator<(const LLAvatarName& rhs) const;
+
+	LLSD asLLSD() const;
+
+	void fromLLSD(const LLSD& sd);
+
+	// For normal names, returns "James Linden (james.linden)"
+	// When display names are disabled returns just "James Linden"
+	std::string getCompleteName() const;
+
+	// Returns "James Linden" or "bobsmith123 Resident" for backwards
+	// compatibility with systems like voice and muting
+	// *TODO: Eliminate this in favor of username only
+	std::string getLegacyName() const;
+
+	// "bobsmith123" or "james.linden", US-ASCII only
+	std::string mUsername;
+
+	// "Jose' Sanchez" or "James Linden", UTF-8 encoded Unicode
+	// Contains data whether or not user has explicitly set
+	// a display name; may duplicate their username.
+	std::string mDisplayName;
+
+	// For "James Linden", "James"
+	// For "bobsmith123", "bobsmith123"
+	// Used to communicate with legacy systems like voice and muting which
+	// rely on old-style names.
+	// *TODO: Eliminate this in favor of username only
+	std::string mLegacyFirstName;
+
+	// For "James Linden", "Linden"
+	// For "bobsmith123", "Resident"
+	// see above for rationale
+	std::string mLegacyLastName;
+
+	// If true, both display name and SLID were generated from
+	// a legacy first and last name, like "James Linden (james.linden)"
+	bool mIsDisplayNameDefault;
+
+	// Under error conditions, we may insert "dummy" records with
+	// names like "???" into caches as placeholders.  These can be
+	// shown in UI, but are not serialized.
+	bool mIsDummy;
+
+	// Names can change, so need to keep track of when name was
+	// last checked.
+	// Unix time-from-epoch seconds for efficiency
+	F64 mExpires;
+	
+	// You can only change your name every N hours, so record
+	// when the next update is allowed
+	// Unix time-from-epoch seconds
+	F64 mNextUpdate;
+};
+
+#endif