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Diffstat (limited to 'indra/newview/llspeakingindicatormanager.cpp')
| -rw-r--r-- | indra/newview/llspeakingindicatormanager.cpp | 315 |
1 files changed, 315 insertions, 0 deletions
diff --git a/indra/newview/llspeakingindicatormanager.cpp b/indra/newview/llspeakingindicatormanager.cpp new file mode 100644 index 0000000000..ede1d6bebe --- /dev/null +++ b/indra/newview/llspeakingindicatormanager.cpp @@ -0,0 +1,315 @@ +/** + * @file llspeakingindicatormanager.cpp + * @author Mike Antipov + * @brief Implementation of SpeackerIndicatorManager class to process registered LLSpeackerIndicator + * depend on avatars are in the same voice channel. + * + * $LicenseInfo:firstyear=2010&license=viewerlgpl$ + * 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 + * $/LicenseInfo$ + */ + +#include "llviewerprecompiledheaders.h" +#include "llspeakingindicatormanager.h" + + +#include "llvoicechannel.h" +#include "llvoiceclient.h" + +/** + * This class intended to control visibility of avatar speaking indicators depend on whether avatars + * are in the same voice channel. + * + * Speaking indicator should be visible for avatars in the same voice channel. See EXT-3976. + * + * It stores passed instances of LLOutputMonitorCtrl in a multimap by avatar LLUUID. + * It observes changing of voice channel and changing of participant list in voice channel. + * When voice channel or voice participant list is changed it updates visibility of an appropriate + * speaking indicator. + * + * Several indicators can be registered for the same avatar. + */ +class SpeakingIndicatorManager : public LLSingleton<SpeakingIndicatorManager>, LLVoiceClientParticipantObserver +{ + LOG_CLASS(SpeakingIndicatorManager); +public: + + /** + * Stores passed speaking indicator to control its visibility. + * + * Registered indicator is set visible if an appropriate avatar is in the same voice channel with Agent. + * It ignores instances of Agent's indicator. + * + * @param speaker_id LLUUID of an avatar whose speaking indicator is registered. + * @param speaking_indicator instance of the speaking indicator to be registered. + * @param session_id session UUID for which indicator should be shown only. + * If this parameter is set registered indicator will be shown only in voice channel + * which has the same session id (EXT-5562). + */ + void registerSpeakingIndicator(const LLUUID& speaker_id, LLSpeakingIndicator* const speaking_indicator, + const LLUUID& session_id = LLUUID::null); + + /** + * Removes passed speaking indicator from observing. + * + * @param speaker_id LLUUID of an avatar whose speaking indicator should be unregistered. + * @param speaking_indicator instance of the speaking indicator to be unregistered. + */ + void unregisterSpeakingIndicator(const LLUUID& speaker_id, const LLSpeakingIndicator* const speaking_indicator); + +private: + typedef std::set<LLUUID> speaker_ids_t; + typedef std::multimap<LLUUID, LLSpeakingIndicator*> speaking_indicators_mmap_t; + typedef speaking_indicators_mmap_t::value_type speaking_indicator_value_t; + typedef speaking_indicators_mmap_t::const_iterator indicator_const_iterator; + typedef std::pair<indicator_const_iterator, indicator_const_iterator> indicator_range_t; + + friend class LLSingleton<SpeakingIndicatorManager>; + SpeakingIndicatorManager(); + ~SpeakingIndicatorManager(); + + /** + * Callback to determine when voice channel is changed. + * + * It switches all registered speaking indicators off. + * To reduce overheads only switched on indicators are processed. + */ + void sOnCurrentChannelChanged(const LLUUID& session_id); + + /** + * Callback of changing voice participant list (from LLVoiceClientParticipantObserver). + * + * Switches off indicators had been switched on and switches on indicators of current participants list. + * There is only a few indicators in lists should be switched off/on. + * So, method does not calculate difference between these list it only switches off already + * switched on indicators and switches on indicators of voice channel participants + */ + void onParticipantsChanged(); + + /** + * Changes state of indicators specified by LLUUIDs + * + * @param speakers_uuids - avatars' LLUUIDs whose speaking indicators should be switched + * @param switch_on - if TRUE specified indicator will be switched on, off otherwise. + */ + void switchSpeakerIndicators(const speaker_ids_t& speakers_uuids, BOOL switch_on); + + /** + * Ensures that passed instance of Speaking Indicator does not exist among registered ones. + * If yes, it will be removed. + */ + void ensureInstanceDoesNotExist(LLSpeakingIndicator* const speaking_indicator); + + + /** + * Multimap with all registered speaking indicators + */ + speaking_indicators_mmap_t mSpeakingIndicators; + + /** + * LUUIDs of avatar for which we have speaking indicators switched on. + * + * Is used to switch off all previously ON indicators when voice participant list is changed. + * + * @see onChange() + */ + speaker_ids_t mSwitchedIndicatorsOn; +}; + +////////////////////////////////////////////////////////////////////////// +// PUBLIC SECTION +////////////////////////////////////////////////////////////////////////// +void SpeakingIndicatorManager::registerSpeakingIndicator(const LLUUID& speaker_id, LLSpeakingIndicator* const speaking_indicator, + const LLUUID& session_id) +{ + // do not exclude agent's indicators. They should be processed in the same way as others. See EXT-3889. + + LL_DEBUGS("SpeakingIndicator") << "Registering indicator: " << speaker_id << "|"<< speaking_indicator << ", session: " << session_id << LL_ENDL; + + + ensureInstanceDoesNotExist(speaking_indicator); + + speaking_indicator->setTargetSessionID(session_id); + + speaking_indicator_value_t value_type(speaker_id, speaking_indicator); + mSpeakingIndicators.insert(value_type); + + speaker_ids_t speakers_uuids; + BOOL is_in_same_voice = LLVoiceClient::getInstance()->isParticipant(speaker_id); + + speakers_uuids.insert(speaker_id); + switchSpeakerIndicators(speakers_uuids, is_in_same_voice); +} + +void SpeakingIndicatorManager::unregisterSpeakingIndicator(const LLUUID& speaker_id, const LLSpeakingIndicator* const speaking_indicator) +{ + LL_DEBUGS("SpeakingIndicator") << "Unregistering indicator: " << speaker_id << "|"<< speaking_indicator << LL_ENDL; + speaking_indicators_mmap_t::iterator it; + it = mSpeakingIndicators.find(speaker_id); + for (;it != mSpeakingIndicators.end(); ++it) + { + if (it->second == speaking_indicator) + { + LL_DEBUGS("SpeakingIndicator") << "Unregistered." << LL_ENDL; + mSpeakingIndicators.erase(it); + break; + } + } +} + +////////////////////////////////////////////////////////////////////////// +// PRIVATE SECTION +////////////////////////////////////////////////////////////////////////// +SpeakingIndicatorManager::SpeakingIndicatorManager() +{ + LLVoiceChannel::setCurrentVoiceChannelChangedCallback(boost::bind(&SpeakingIndicatorManager::sOnCurrentChannelChanged, this, _1)); + LLVoiceClient::getInstance()->addObserver(this); +} + +SpeakingIndicatorManager::~SpeakingIndicatorManager() +{ + // Don't use LLVoiceClient::getInstance() here without check + // singleton MAY have already been destroyed. + if(LLVoiceClient::instanceExists()) + { + LLVoiceClient::getInstance()->removeObserver(this); + } +} + +void SpeakingIndicatorManager::sOnCurrentChannelChanged(const LLUUID& /*session_id*/) +{ + switchSpeakerIndicators(mSwitchedIndicatorsOn, FALSE); + mSwitchedIndicatorsOn.clear(); +} + +void SpeakingIndicatorManager::onParticipantsChanged() +{ + LL_DEBUGS("SpeakingIndicator") << "Voice participant list was changed, updating indicators" << LL_ENDL; + + speaker_ids_t speakers_uuids; + LLVoiceClient::getInstance()->getParticipantList(speakers_uuids); + + LL_DEBUGS("SpeakingIndicator") << "Switching all OFF, count: " << mSwitchedIndicatorsOn.size() << LL_ENDL; + // switch all indicators off + switchSpeakerIndicators(mSwitchedIndicatorsOn, FALSE); + mSwitchedIndicatorsOn.clear(); + + LL_DEBUGS("SpeakingIndicator") << "Switching all ON, count: " << speakers_uuids.size() << LL_ENDL; + // then switch current voice participants indicators on + switchSpeakerIndicators(speakers_uuids, TRUE); +} + +void SpeakingIndicatorManager::switchSpeakerIndicators(const speaker_ids_t& speakers_uuids, BOOL switch_on) +{ + LLVoiceChannel* voice_channel = LLVoiceChannel::getCurrentVoiceChannel(); + LLUUID session_id; + if (voice_channel) + { + session_id = voice_channel->getSessionID(); + } + + speaker_ids_t::const_iterator it_uuid = speakers_uuids.begin(); + for (; it_uuid != speakers_uuids.end(); ++it_uuid) + { + LL_DEBUGS("SpeakingIndicator") << "Looking for indicator: " << *it_uuid << LL_ENDL; + indicator_range_t it_range = mSpeakingIndicators.equal_range(*it_uuid); + indicator_const_iterator it_indicator = it_range.first; + bool was_found = false; + bool was_switched_on = false; + for (; it_indicator != it_range.second; ++it_indicator) + { + was_found = true; + LLSpeakingIndicator* indicator = (*it_indicator).second; + + BOOL switch_current_on = switch_on; + + // we should show indicator for specified voice session only if this is current channel. EXT-5562. + if (switch_current_on && indicator->getTargetSessionID().notNull()) + { + switch_current_on = indicator->getTargetSessionID() == session_id; + LL_DEBUGS("SpeakingIndicator") << "Session: " << session_id << ", target: " << indicator->getTargetSessionID() << ", the same? = " << switch_current_on << LL_ENDL; + } + was_switched_on = was_switched_on || switch_current_on; + + indicator->switchIndicator(switch_current_on); + + } + + if (was_found) + { + LL_DEBUGS("SpeakingIndicator") << mSpeakingIndicators.count(*it_uuid) << " indicators where found" << LL_ENDL; + + if (switch_on && !was_switched_on) + { + LL_DEBUGS("SpeakingIndicator") << "but non of them where switched on" << LL_ENDL; + } + + if (was_switched_on) + { + // store switched on indicator to be able switch it off + mSwitchedIndicatorsOn.insert(*it_uuid); + } + } + } +} + +void SpeakingIndicatorManager::ensureInstanceDoesNotExist(LLSpeakingIndicator* const speaking_indicator) +{ + LL_DEBUGS("SpeakingIndicator") << "Searching for an registered indicator instance: " << speaking_indicator << LL_ENDL; + speaking_indicators_mmap_t::iterator it = mSpeakingIndicators.begin(); + for (;it != mSpeakingIndicators.end(); ++it) + { + if (it->second == speaking_indicator) + { + LL_DEBUGS("SpeakingIndicator") << "Found" << LL_ENDL; + break; + } + } + + // It is possible with LLOutputMonitorCtrl the same instance of indicator is registered several + // times with different UUIDs. This leads to crash after instance is destroyed because the + // only one (specified by UUID in unregisterSpeakingIndicator()) is removed from the map. + // So, using stored deleted pointer leads to crash. See EXT-4782. + if (it != mSpeakingIndicators.end()) + { + llwarns << "The same instance of indicator has already been registered, removing it: " << it->first << "|"<< speaking_indicator << llendl; + llassert(it == mSpeakingIndicators.end()); + mSpeakingIndicators.erase(it); + } +} + + +/************************************************************************/ +/* LLSpeakingIndicatorManager namespace implementation */ +/************************************************************************/ + +void LLSpeakingIndicatorManager::registerSpeakingIndicator(const LLUUID& speaker_id, LLSpeakingIndicator* const speaking_indicator, + const LLUUID& session_id) +{ + SpeakingIndicatorManager::instance().registerSpeakingIndicator(speaker_id, speaking_indicator, session_id); +} + +void LLSpeakingIndicatorManager::unregisterSpeakingIndicator(const LLUUID& speaker_id, const LLSpeakingIndicator* const speaking_indicator) +{ + SpeakingIndicatorManager::instance().unregisterSpeakingIndicator(speaker_id, speaking_indicator); +} + +// EOF + |