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+/** 
+ * @file llfloateractivespeakers.h
+ * @brief Management interface for muting and controlling volume of residents currently speaking
+ *
+ * Copyright (c) 2005-2007, 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://secondlife.com/developers/opensource/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://secondlife.com/developers/opensource/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.
+ */
+
+#ifndef LL_LLFLOATERACTIVESPEAKERS_H
+#define LL_LLFLOATERACTIVESPEAKERS_H
+
+#include "llfloater.h"
+#include "llmemory.h"
+#include "llvoiceclient.h"
+#include "llframetimer.h"
+
+class LLScrollListCtrl;
+class LLButton;
+class LLPanelActiveSpeakers;
+class LLSpeakerMgr;
+class LLVoiceChannel;
+
+
+// data for a given participant in a voice channel
+class LLSpeaker : public LLRefCount
+{
+public:
+        typedef enum e_speaker_type
+        {
+                SPEAKER_AGENT,
+                SPEAKER_OBJECT
+        } ESpeakerType;
+
+        typedef enum e_speaker_status
+        {
+                STATUS_SPEAKING,
+                STATUS_HAS_SPOKEN,
+                STATUS_VOICE_ACTIVE,
+                STATUS_TEXT_ONLY,
+                STATUS_NOT_IN_CHANNEL,
+                STATUS_MUTED
+        } ESpeakerStatus;
+
+
+        LLSpeaker(const LLUUID& id, const LLString& name = LLString::null, const ESpeakerType type = SPEAKER_AGENT);
+        ~LLSpeaker();
+
+        void lookupName();
+
+        static void onAvatarNameLookup(const LLUUID& id, const char* first, const char* last, BOOL is_group, void* user_data);
+
+public:
+
+        ESpeakerStatus  mStatus;                        // current activity status in speech group
+        F32                             mLastSpokeTime;         // timestamp when this speaker last spoke
+        F32                             mSpeechVolume;          // current speech amplitude (timea average rms amplitude?)
+        LLString                mDisplayName;           // cache user name for this speaker
+        LLFrameTimer    mActivityTimer; // time out speakers when they are not part of current voice channel
+        BOOL                    mHasSpoken;                     // has this speaker said anything this session?
+        LLColor4                mDotColor;
+        LLUUID                  mID;
+        BOOL                    mTyping;
+        S32                             mSortIndex;
+        LLViewHandle    mHandle;
+        ESpeakerType    mType;
+
+        typedef std::map<LLViewHandle, LLSpeaker*> speaker_map_t;
+        static speaker_map_t sSpeakers;
+};
+
+class LLSpeakerMgr
+{
+public:
+        LLSpeakerMgr(LLVoiceChannel* channelp);
+        virtual ~LLSpeakerMgr();
+
+        const LLPointer<LLSpeaker> findSpeaker(const LLUUID& avatar_id);
+        void update();
+        void setSpeakerTyping(const LLUUID& speaker_id, BOOL typing);
+        void speakerChatted(const LLUUID& speaker_id);
+        LLPointer<LLSpeaker> setSpeaker(const LLUUID& id, 
+                                        const LLString& name = LLString::null, 
+                                        LLSpeaker::ESpeakerStatus status = LLSpeaker::STATUS_TEXT_ONLY, 
+                                        LLSpeaker::ESpeakerType = LLSpeaker::SPEAKER_AGENT);
+
+        BOOL isVoiceActive();
+
+        typedef std::vector<LLPointer<LLSpeaker> > speaker_list_t;
+        void getSpeakerList(speaker_list_t* speaker_list, BOOL include_text);
+
+protected:
+        virtual void updateSpeakerList();
+
+        typedef std::map<LLUUID, LLPointer<LLSpeaker> > speaker_map_t;
+        speaker_map_t           mSpeakers;
+
+        speaker_list_t          mSpeakersSorted;
+        LLFrameTimer            mSpeechTimer;
+        LLVoiceChannel*         mVoiceChannel;
+};
+
+class LLIMSpeakerMgr : public LLSpeakerMgr
+{
+public:
+        LLIMSpeakerMgr(LLVoiceChannel* channel);
+        
+        void processSpeakerListUpdate(LLSD update);
+        void processSpeakerList(LLSD list);
+        void processSpeakerMap(LLSD list);
+protected:
+        virtual void updateSpeakerList();
+};
+
+class LLActiveSpeakerMgr : public LLSpeakerMgr
+{
+public:
+        LLActiveSpeakerMgr();
+protected:
+        virtual void updateSpeakerList();
+};
+
+class LLLocalSpeakerMgr : public LLSpeakerMgr
+{
+public:
+        LLLocalSpeakerMgr();
+        ~LLLocalSpeakerMgr ();
+protected:
+        virtual void updateSpeakerList();
+};
+
+
+class LLFloaterActiveSpeakers : 
+        public LLUISingleton<LLFloaterActiveSpeakers>, 
+        public LLFloater, 
+        public LLVoiceClientParticipantObserver
+{
+        // friend of singleton class to allow construction inside getInstance() since constructor is protected
+        // to enforce singleton constraint
+        friend class LLUISingleton<LLFloaterActiveSpeakers>;
+public:
+        virtual ~LLFloaterActiveSpeakers();
+
+        /*virtual*/ BOOL postBuild();
+        /*virtual*/ void onClose(bool app_quitting);
+        /*virtual*/ void draw();
+
+        /*virtual*/ void onChange();
+
+        static void* createSpeakersPanel(void* data);
+
+protected:
+        LLFloaterActiveSpeakers(const LLSD& seed);
+
+        LLPanelActiveSpeakers*  mPanel;
+};
+
+class LLPanelActiveSpeakers : public LLPanel
+{
+public:
+        LLPanelActiveSpeakers(LLSpeakerMgr* data_source, BOOL show_text_chatters);
+        virtual ~LLPanelActiveSpeakers();
+
+        /*virtual*/ BOOL postBuild();
+
+        void refreshSpeakers();
+        
+        void setSpeaker(const LLUUID& id, 
+                                        const LLString& name = LLString::null, 
+                                        LLSpeaker::ESpeakerStatus status = LLSpeaker::STATUS_TEXT_ONLY, 
+                                        LLSpeaker::ESpeakerType = LLSpeaker::SPEAKER_AGENT);
+        
+        static void onClickMuteVoice(void* user_data);
+        static void onClickMuteVoiceCommit(LLUICtrl* ctrl, void* user_data);
+        static void onClickMuteTextCommit(LLUICtrl* ctrl, void* user_data);
+        static void onVolumeChange(LLUICtrl* source, void* user_data);
+        static void onClickProfile(void* user_data);
+protected:
+        LLScrollListCtrl*       mSpeakerList;
+        LLUICtrl*                       mMuteVoiceCtrl;
+        LLUICtrl*                       mMuteTextCtrl;
+        LLTextBox*                      mNameText;
+        LLButton*                       mProfileBtn;
+        BOOL                            mShowTextChatters;
+        LLSpeakerMgr*           mSpeakerMgr;
+        LLFrameTimer            mIconAnimationTimer;
+};
+
+extern LLLocalSpeakerMgr*       gLocalSpeakerMgr;
+extern LLActiveSpeakerMgr*              gActiveChannelSpeakerMgr;
+
+#endif // LL_LLFLOATERACTIVESPEAKERS_H