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+/** 
+ * @file llcallfloater.h
+ * @author Mike Antipov
+ * @brief Voice Control Panel in a Voice Chats (P2P, Group, Nearby...).
+ *
+ * $LicenseInfo:firstyear=2009&license=viewergpl$
+ * 
+ * Copyright (c) 2009, Linden Research, Inc.
+ * 
+ * Second Life Viewer Source Code
+ * The source code in this file ("Source Code") is provided by Linden Lab
+ * to you under the terms of the GNU General Public License, version 2.0
+ * ("GPL"), unless you have obtained a separate licensing agreement
+ * ("Other License"), formally executed by you and Linden Lab.  Terms of
+ * the GPL can be found in doc/GPL-license.txt in this distribution, or
+ * online at http://secondlifegrid.net/programs/open_source/licensing/gplv2
+ * 
+ * There are special exceptions to the terms and conditions of the GPL as
+ * it is applied to this Source Code. View the full text of the exception
+ * in the file doc/FLOSS-exception.txt in this software distribution, or
+ * online at
+ * http://secondlifegrid.net/programs/open_source/licensing/flossexception
+ * 
+ * By copying, modifying or distributing this software, you acknowledge
+ * that you have read and understood your obligations described above,
+ * and agree to abide by those obligations.
+ * 
+ * ALL LINDEN LAB SOURCE CODE IS PROVIDED "AS IS." LINDEN LAB MAKES NO
+ * WARRANTIES, EXPRESS, IMPLIED OR OTHERWISE, REGARDING ITS ACCURACY,
+ * COMPLETENESS OR PERFORMANCE.
+ * $/LicenseInfo$
+ */
+
+#ifndef LL_LLCALLFLOATER_H
+#define LL_LLCALLFLOATER_H
+
+#include "lldockablefloater.h"
+
+class LLAvatarList;
+class LLParticipantList;
+class LLSpeakerMgr;
+
+/**
+ * The Voice Control Panel is an ambient window summoned by clicking the flyout chevron on the Speak button.
+ * It can be torn-off and freely positioned onscreen.
+ *
+ * When the Resident is engaged in Nearby Voice Chat, the Voice Control Panel provides control over 
+ * the Resident's own microphone input volume, the audible volume of each of the other participants,
+ * the Resident's own Voice Morphing settings (if she has subscribed to enable the feature), and Voice Recording.
+ *
+ * When the Resident is engaged in Group Voice Chat, the Voice Control Panel also provides an 
+ * 'End Call' button to allow the Resident to leave that voice channel.
+ */
+class LLCallFloater : public LLDockableFloater
+{
+public:
+	LLCallFloater(const LLSD& key);
+	~LLCallFloater();
+
+	/*virtual*/ BOOL postBuild();
+	/*virtual*/ void onOpen(const LLSD& key);
+
+private:
+	/**
+	 * Updates mSpeakerManager and list according to current Voice Channel
+	 *
+	 * It compares mSpeakerManager & current Voice Channel session IDs.
+	 * If they are different gets Speaker manager related to current channel and updates channel participant list.
+	 */
+	void updateSession();
+
+	/**
+	 * Refreshes participant list according to current Voice Channel
+	 */
+	void refreshPartisipantList();
+	void onCurrentChannelChanged(const LLUUID& session_id);
+
+private:
+	LLSpeakerMgr* mSpeakerManager;
+	LLParticipantList* mPaticipants;
+	LLAvatarList* mAvatarList;
+};
+
+
+#endif //LL_LLCALLFLOATER_H
+