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/**
* @file llvoicechannel.h
* @brief Voice channel related classes
*
* $LicenseInfo:firstyear=2001&license=viewergpl$
*
* Copyright (c) 2001-2009, 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_VOICECHANNEL_H
#define LL_VOICECHANNEL_H
#include "llhandle.h"
#include "llvoiceclient.h"
class LLPanel;
class LLVoiceChannel : public LLVoiceClientStatusObserver
{
public:
typedef enum e_voice_channel_state
{
STATE_NO_CHANNEL_INFO,
STATE_ERROR,
STATE_HUNG_UP,
STATE_READY,
STATE_CALL_STARTED,
STATE_RINGING,
STATE_CONNECTED
} EState;
typedef enum e_voice_channel_direction
{
INCOMING_CALL,
OUTGOING_CALL
} EDirection;
typedef boost::signals2::signal<void(const EState& old_state, const EState& new_state, const EDirection& direction, bool ended_by_agent)> state_changed_signal_t;
// on current channel changed signal
typedef boost::function<void(const LLUUID& session_id)> channel_changed_callback_t;
typedef boost::signals2::signal<void(const LLUUID& session_id)> channel_changed_signal_t;
static channel_changed_signal_t sCurrentVoiceChannelChangedSignal;
static boost::signals2::connection setCurrentVoiceChannelChangedCallback(channel_changed_callback_t cb, bool at_front = false);
LLVoiceChannel(const LLUUID& session_id, const std::string& session_name);
virtual ~LLVoiceChannel();
/*virtual*/ void onChange(EStatusType status, const std::string &channelURI, bool proximal);
virtual void handleStatusChange(EStatusType status);
virtual void handleError(EStatusType status);
virtual void deactivate();
virtual void activate();
virtual void setChannelInfo(
const std::string& uri,
const std::string& credentials);
virtual void getChannelInfo();
virtual BOOL isActive();
virtual BOOL callStarted();
const std::string& getSessionName() const { return mSessionName; }
boost::signals2::connection setStateChangedCallback(const state_changed_signal_t::slot_type& callback)
{ return mStateChangedCallback.connect(callback); }
const LLUUID getSessionID() { return mSessionID; }
EState getState() { return mState; }
void updateSessionID(const LLUUID& new_session_id);
const LLSD& getNotifyArgs() { return mNotifyArgs; }
void setCallDirection(EDirection direction) {mCallDirection = direction;}
EDirection getCallDirection() {return mCallDirection;}
static LLVoiceChannel* getChannelByID(const LLUUID& session_id);
static LLVoiceChannel* getChannelByURI(std::string uri);
static LLVoiceChannel* getCurrentVoiceChannel() { return sCurrentVoiceChannel; }
static void initClass();
static void suspend();
static void resume();
protected:
virtual void setState(EState state);
/**
* Use this method if you want mStateChangedCallback to be executed while state is changed
*/
void doSetState(const EState& state);
void setURI(std::string uri);
// there can be two directions INCOMING and OUTGOING
EDirection mCallDirection;
std::string mURI;
std::string mCredentials;
LLUUID mSessionID;
EState mState;
std::string mSessionName;
LLSD mNotifyArgs;
LLSD mCallDialogPayload;
// true if call was ended by agent
bool mCallEndedByAgent;
BOOL mIgnoreNextSessionLeave;
LLHandle<LLPanel> mLoginNotificationHandle;
typedef std::map<LLUUID, LLVoiceChannel*> voice_channel_map_t;
static voice_channel_map_t sVoiceChannelMap;
typedef std::map<std::string, LLVoiceChannel*> voice_channel_map_uri_t;
static voice_channel_map_uri_t sVoiceChannelURIMap;
static LLVoiceChannel* sCurrentVoiceChannel;
static LLVoiceChannel* sSuspendedVoiceChannel;
static BOOL sSuspended;
private:
state_changed_signal_t mStateChangedCallback;
};
class LLVoiceChannelGroup : public LLVoiceChannel
{
public:
LLVoiceChannelGroup(const LLUUID& session_id, const std::string& session_name);
/*virtual*/ void handleStatusChange(EStatusType status);
/*virtual*/ void handleError(EStatusType status);
/*virtual*/ void activate();
/*virtual*/ void deactivate();
/*vritual*/ void setChannelInfo(
const std::string& uri,
const std::string& credentials);
/*virtual*/ void getChannelInfo();
protected:
virtual void setState(EState state);
private:
U32 mRetries;
BOOL mIsRetrying;
};
class LLVoiceChannelProximal : public LLVoiceChannel, public LLSingleton<LLVoiceChannelProximal>
{
public:
LLVoiceChannelProximal();
/*virtual*/ void onChange(EStatusType status, const std::string &channelURI, bool proximal);
/*virtual*/ void handleStatusChange(EStatusType status);
/*virtual*/ void handleError(EStatusType status);
/*virtual*/ BOOL isActive();
/*virtual*/ void activate();
/*virtual*/ void deactivate();
};
class LLVoiceChannelP2P : public LLVoiceChannelGroup
{
public:
LLVoiceChannelP2P(const LLUUID& session_id, const std::string& session_name, const LLUUID& other_user_id);
/*virtual*/ void handleStatusChange(EStatusType status);
/*virtual*/ void handleError(EStatusType status);
/*virtual*/ void activate();
/*virtual*/ void getChannelInfo();
void setSessionHandle(const std::string& handle, const std::string &inURI);
protected:
virtual void setState(EState state);
private:
std::string mSessionHandle;
LLUUID mOtherUserID;
BOOL mReceivedCall;
};
#endif // LL_VOICECHANNEL_H
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