tdesktop/Telegram/SourceFiles/data/data_group_call.cpp

586 lines
16 KiB
C++

/*
This file is part of Telegram Desktop,
the official desktop application for the Telegram messaging service.
For license and copyright information please follow this link:
https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
*/
#include "data/data_group_call.h"
#include "base/unixtime.h"
#include "data/data_channel.h"
#include "data/data_chat.h"
#include "data/data_changes.h"
#include "data/data_session.h"
#include "main/main_session.h"
#include "calls/calls_instance.h"
#include "calls/calls_group_call.h"
#include "core/application.h"
#include "apiwrap.h"
namespace Data {
namespace {
constexpr auto kRequestPerPage = 30;
constexpr auto kSpeakingAfterActive = crl::time(6000);
constexpr auto kActiveAfterJoined = crl::time(1000);
} // namespace
GroupCall::GroupCall(
not_null<PeerData*> peer,
uint64 id,
uint64 accessHash)
: _id(id)
, _accessHash(accessHash)
, _peer(peer)
, _speakingByActiveFinishTimer([=] { checkFinishSpeakingByActive(); }) {
}
GroupCall::~GroupCall() {
api().request(_unknownUsersRequestId).cancel();
api().request(_participantsRequestId).cancel();
api().request(_reloadRequestId).cancel();
}
uint64 GroupCall::id() const {
return _id;
}
not_null<PeerData*> GroupCall::peer() const {
return _peer;
}
MTPInputGroupCall GroupCall::input() const {
return MTP_inputGroupCall(MTP_long(_id), MTP_long(_accessHash));
}
void GroupCall::setPeer(not_null<PeerData*> peer) {
Expects(peer->migrateFrom() == _peer);
Expects(_peer->migrateTo() == peer);
_peer = peer;
}
auto GroupCall::participants() const
-> const std::vector<Participant> & {
return _participants;
}
void GroupCall::requestParticipants() {
if (_participantsRequestId || _reloadRequestId) {
return;
} else if (_participants.size() >= _fullCount.current() && _allReceived) {
return;
} else if (_allReceived) {
reload();
return;
}
_participantsRequestId = api().request(MTPphone_GetGroupParticipants(
input(),
MTP_vector<MTPint>(), // ids
MTP_vector<MTPint>(), // ssrcs
MTP_string(_nextOffset),
MTP_int(kRequestPerPage)
)).done([=](const MTPphone_GroupParticipants &result) {
result.match([&](const MTPDphone_groupParticipants &data) {
_nextOffset = qs(data.vnext_offset());
_peer->owner().processUsers(data.vusers());
applyParticipantsSlice(
data.vparticipants().v,
ApplySliceSource::SliceLoaded);
_fullCount = data.vcount().v;
if (!_allReceived
&& (data.vparticipants().v.size() < kRequestPerPage)) {
_allReceived = true;
}
if (_allReceived) {
_fullCount = _participants.size();
}
});
_participantsSliceAdded.fire({});
_participantsRequestId = 0;
changePeerEmptyCallFlag();
}).fail([=](const RPCError &error) {
_fullCount = _participants.size();
_allReceived = true;
_participantsRequestId = 0;
changePeerEmptyCallFlag();
}).send();
}
void GroupCall::changePeerEmptyCallFlag() {
const auto chat = _peer->asChat();
const auto channel = _peer->asChannel();
constexpr auto chatFlag = MTPDchat::Flag::f_call_not_empty;
constexpr auto channelFlag = MTPDchannel::Flag::f_call_not_empty;
if (_peer->groupCall() != this) {
return;
} else if (fullCount() > 0) {
if (chat && !(chat->flags() & chatFlag)) {
chat->addFlags(chatFlag);
chat->session().changes().peerUpdated(
chat,
Data::PeerUpdate::Flag::GroupCall);
} else if (channel && !(channel->flags() & channelFlag)) {
channel->addFlags(channelFlag);
channel->session().changes().peerUpdated(
channel,
Data::PeerUpdate::Flag::GroupCall);
}
} else if (chat && (chat->flags() & chatFlag)) {
chat->removeFlags(chatFlag);
chat->session().changes().peerUpdated(
chat,
Data::PeerUpdate::Flag::GroupCall);
} else if (channel && (channel->flags() & channelFlag)) {
channel->removeFlags(channelFlag);
channel->session().changes().peerUpdated(
channel,
Data::PeerUpdate::Flag::GroupCall);
}
}
int GroupCall::fullCount() const {
return _fullCount.current();
}
rpl::producer<int> GroupCall::fullCountValue() const {
return _fullCount.value();
}
bool GroupCall::participantsLoaded() const {
return _allReceived;
}
UserData *GroupCall::userBySsrc(uint32 ssrc) const {
const auto i = _userBySsrc.find(ssrc);
return (i != end(_userBySsrc)) ? i->second.get() : nullptr;
}
rpl::producer<> GroupCall::participantsSliceAdded() {
return _participantsSliceAdded.events();
}
auto GroupCall::participantUpdated() const
-> rpl::producer<ParticipantUpdate> {
return _participantUpdates.events();
}
void GroupCall::applyUpdate(const MTPGroupCall &update) {
applyCall(update, false);
}
void GroupCall::applyCall(const MTPGroupCall &call, bool force) {
call.match([&](const MTPDgroupCall &data) {
const auto changed = (_version != data.vversion().v)
|| (_fullCount.current() != data.vparticipants_count().v)
|| (_joinMuted != data.is_join_muted())
|| (_canChangeJoinMuted != data.is_can_change_join_muted());
if (!force && !changed) {
return;
} else if (!force && _version > data.vversion().v) {
reload();
return;
}
_joinMuted = data.is_join_muted();
_canChangeJoinMuted = data.is_can_change_join_muted();
_version = data.vversion().v;
_fullCount = data.vparticipants_count().v;
changePeerEmptyCallFlag();
}, [&](const MTPDgroupCallDiscarded &data) {
const auto id = _id;
const auto peer = _peer;
crl::on_main(&peer->session(), [=] {
if (peer->groupCall() && peer->groupCall()->id() == id) {
if (const auto chat = peer->asChat()) {
chat->clearGroupCall();
} else if (const auto channel = peer->asChannel()) {
channel->clearGroupCall();
}
}
});
});
}
void GroupCall::reload() {
if (_reloadRequestId) {
return;
} else if (_participantsRequestId) {
api().request(_participantsRequestId).cancel();
_participantsRequestId = 0;
}
_reloadRequestId = api().request(
MTPphone_GetGroupCall(input())
).done([=](const MTPphone_GroupCall &result) {
result.match([&](const MTPDphone_groupCall &data) {
_peer->owner().processUsers(data.vusers());
_participants.clear();
_speakingByActiveFinishes.clear();
_userBySsrc.clear();
applyParticipantsSlice(
data.vparticipants().v,
ApplySliceSource::SliceLoaded);
applyCall(data.vcall(), true);
_allReceived = (_fullCount.current() == _participants.size());
_participantsSliceAdded.fire({});
});
_reloadRequestId = 0;
}).fail([=](const RPCError &error) {
_reloadRequestId = 0;
}).send();
}
void GroupCall::applyParticipantsSlice(
const QVector<MTPGroupCallParticipant> &list,
ApplySliceSource sliceSource) {
const auto amInCall = inCall();
const auto now = base::unixtime::now();
const auto speakingAfterActive = TimeId(kSpeakingAfterActive / 1000);
auto changedCount = _fullCount.current();
for (const auto &participant : list) {
participant.match([&](const MTPDgroupCallParticipant &data) {
const auto userId = data.vuser_id().v;
const auto user = _peer->owner().user(userId);
const auto i = ranges::find(
_participants,
user,
&Participant::user);
if (data.is_left()) {
if (i != end(_participants)) {
auto update = ParticipantUpdate{
.was = *i,
};
_userBySsrc.erase(i->ssrc);
_speakingByActiveFinishes.remove(user);
_participants.erase(i);
if (sliceSource != ApplySliceSource::SliceLoaded) {
_participantUpdates.fire(std::move(update));
}
}
if (changedCount > _participants.size()) {
--changedCount;
}
return;
}
const auto was = (i != end(_participants))
? std::make_optional(*i)
: std::nullopt;
const auto canSelfUnmute = !data.is_muted()
|| data.is_can_self_unmute();
const auto lastActive = data.vactive_date().value_or(
was ? was->lastActive : 0);
const auto speaking = canSelfUnmute
&& ((was ? was->speaking : false)
|| (!amInCall
&& (lastActive + speakingAfterActive > now)));
const auto value = Participant{
.user = user,
.date = data.vdate().v,
.lastActive = lastActive,
.ssrc = uint32(data.vsource().v),
.speaking = canSelfUnmute && (was ? was->speaking : false),
.muted = data.is_muted(),
.canSelfUnmute = canSelfUnmute,
};
if (i == end(_participants)) {
_userBySsrc.emplace(value.ssrc, user);
_participants.push_back(value);
_peer->owner().unregisterInvitedToCallUser(_id, user);
} else {
if (i->ssrc != value.ssrc) {
_userBySsrc.erase(i->ssrc);
_userBySsrc.emplace(value.ssrc, user);
}
*i = value;
}
if (data.is_just_joined()) {
++changedCount;
}
if (sliceSource != ApplySliceSource::SliceLoaded) {
_participantUpdates.fire({
.was = was,
.now = value,
});
}
});
}
if (sliceSource == ApplySliceSource::UpdateReceived) {
_fullCount = changedCount;
changePeerEmptyCallFlag();
}
}
void GroupCall::applyLastSpoke(
uint32 ssrc,
LastSpokeTimes when,
crl::time now) {
const auto i = _userBySsrc.find(ssrc);
if (i == end(_userBySsrc)) {
_unknownSpokenSsrcs[ssrc] = when;
requestUnknownParticipants();
return;
}
const auto j = ranges::find(_participants, i->second, &Participant::user);
Assert(j != end(_participants));
_speakingByActiveFinishes.remove(j->user);
const auto sounding = (when.anything + kSoundStatusKeptFor >= now)
&& j->canSelfUnmute;
const auto speaking = sounding
&& (when.voice + kSoundStatusKeptFor >= now);
if (j->sounding != sounding || j->speaking != speaking) {
const auto was = *j;
j->sounding = sounding;
j->speaking = speaking;
_participantUpdates.fire({
.was = was,
.now = *j,
});
}
}
void GroupCall::applyActiveUpdate(
UserId userId,
LastSpokeTimes when,
UserData *userLoaded) {
if (inCall()) {
return;
}
const auto i = userLoaded
? ranges::find(
_participants,
not_null{ userLoaded },
&Participant::user)
: _participants.end();
if (i == end(_participants)) {
_unknownSpokenUids[userId] = when;
requestUnknownParticipants();
return;
} else if (!i->canSelfUnmute) {
return;
}
const auto was = std::make_optional(*i);
const auto now = crl::now();
const auto elapsed = TimeId((now - when.anything) / crl::time(1000));
const auto lastActive = base::unixtime::now() - elapsed;
const auto finishes = when.anything + kSpeakingAfterActive;
if (lastActive <= i->lastActive || finishes <= now) {
return;
}
_speakingByActiveFinishes[i->user] = finishes;
if (!_speakingByActiveFinishTimer.isActive()) {
_speakingByActiveFinishTimer.callOnce(finishes - now);
}
i->lastActive = lastActive;
i->speaking = true;
i->canSelfUnmute = true;
if (!was->speaking || !was->canSelfUnmute) {
_participantUpdates.fire({
.was = was,
.now = *i,
});
}
}
void GroupCall::checkFinishSpeakingByActive() {
const auto now = crl::now();
auto nearest = 0;
auto stop = std::vector<not_null<UserData*>>();
for (auto i = begin(_speakingByActiveFinishes); i != end(_speakingByActiveFinishes);) {
const auto when = i->second;
if (now >= when) {
stop.push_back(i->first);
i = _speakingByActiveFinishes.erase(i);
} else {
if (!nearest || nearest > when) {
nearest = when;
}
++i;
}
}
for (const auto user : stop) {
const auto i = ranges::find(_participants, user, &Participant::user);
if (i->speaking) {
const auto was = *i;
i->speaking = false;
_participantUpdates.fire({
.was = was,
.now = *i,
});
}
}
if (nearest) {
_speakingByActiveFinishTimer.callOnce(nearest - now);
}
}
void GroupCall::requestUnknownParticipants() {
if (_unknownUsersRequestId
|| (_unknownSpokenSsrcs.empty() && _unknownSpokenUids.empty())) {
return;
}
const auto ssrcs = [&] {
if (_unknownSpokenSsrcs.size() < kRequestPerPage) {
return base::take(_unknownSpokenSsrcs);
}
auto result = base::flat_map<uint32, LastSpokeTimes>();
result.reserve(kRequestPerPage);
while (result.size() < kRequestPerPage) {
const auto [ssrc, when] = _unknownSpokenSsrcs.back();
result.emplace(ssrc, when);
_unknownSpokenSsrcs.erase(_unknownSpokenSsrcs.end() - 1);
}
return result;
}();
const auto uids = [&] {
if (_unknownSpokenUids.size() + ssrcs.size() < kRequestPerPage) {
return base::take(_unknownSpokenUids);
}
auto result = base::flat_map<UserId, LastSpokeTimes>();
const auto available = (kRequestPerPage - int(ssrcs.size()));
if (available > 0) {
result.reserve(available);
while (result.size() < available) {
const auto [userId, when] = _unknownSpokenUids.back();
result.emplace(userId, when);
_unknownSpokenUids.erase(_unknownSpokenUids.end() - 1);
}
}
return result;
}();
auto ssrcInputs = QVector<MTPint>();
ssrcInputs.reserve(ssrcs.size());
for (const auto [ssrc, when] : ssrcs) {
ssrcInputs.push_back(MTP_int(ssrc));
}
auto uidInputs = QVector<MTPint>();
uidInputs.reserve(uids.size());
for (const auto [userId, when] : uids) {
uidInputs.push_back(MTP_int(userId));
}
_unknownUsersRequestId = api().request(MTPphone_GetGroupParticipants(
input(),
MTP_vector<MTPint>(uidInputs),
MTP_vector<MTPint>(ssrcInputs),
MTP_string(QString()),
MTP_int(kRequestPerPage)
)).done([=](const MTPphone_GroupParticipants &result) {
result.match([&](const MTPDphone_groupParticipants &data) {
_peer->owner().processUsers(data.vusers());
applyParticipantsSlice(
data.vparticipants().v,
ApplySliceSource::UnknownLoaded);
});
_unknownUsersRequestId = 0;
const auto now = crl::now();
for (const auto [ssrc, when] : ssrcs) {
applyLastSpoke(ssrc, when, now);
_unknownSpokenSsrcs.remove(ssrc);
}
for (const auto [userId, when] : uids) {
if (const auto user = _peer->owner().userLoaded(userId)) {
const auto isParticipant = ranges::contains(
_participants,
not_null{ user },
&Participant::user);
if (isParticipant) {
applyActiveUpdate(userId, when, user);
}
}
_unknownSpokenUids.remove(userId);
}
requestUnknownParticipants();
}).fail([=](const RPCError &error) {
_unknownUsersRequestId = 0;
for (const auto [ssrc, when] : ssrcs) {
_unknownSpokenSsrcs.remove(ssrc);
}
for (const auto [userId, when] : uids) {
_unknownSpokenUids.remove(userId);
}
requestUnknownParticipants();
}).send();
}
void GroupCall::setInCall() {
_unknownSpokenUids.clear();
if (_speakingByActiveFinishes.empty()) {
return;
}
auto restartTimer = true;
const auto latest = crl::now() + kActiveAfterJoined;
for (auto &[user, when] : _speakingByActiveFinishes) {
if (when > latest) {
when = latest;
} else {
restartTimer = false;
}
}
if (restartTimer) {
_speakingByActiveFinishTimer.callOnce(kActiveAfterJoined);
}
}
bool GroupCall::inCall() const {
const auto current = Core::App().calls().currentGroupCall();
return (current != nullptr)
&& (current->id() == _id)
&& (current->state() == Calls::GroupCall::State::Joined);
}
void GroupCall::applyUpdate(const MTPDupdateGroupCallParticipants &update) {
const auto version = update.vversion().v;
const auto applyUpdate = [&] {
if (version < _version) {
return false;
}
auto versionShouldIncrement = false;
for (const auto &participant : update.vparticipants().v) {
const auto versioned = participant.match([&](
const MTPDgroupCallParticipant &data) {
return data.is_versioned();
});
if (versioned) {
versionShouldIncrement = true;
break;
}
}
return versionShouldIncrement
? (version == _version + 1)
: (version == _version);
}();
if (!applyUpdate) {
return;
}
_version = version;
applyUpdateChecked(update);
}
void GroupCall::applyUpdateChecked(
const MTPDupdateGroupCallParticipants &update) {
applyParticipantsSlice(
update.vparticipants().v,
ApplySliceSource::UpdateReceived);
}
void GroupCall::setJoinMutedLocally(bool muted) {
_joinMuted = muted;
}
bool GroupCall::joinMuted() const {
return _joinMuted;
}
bool GroupCall::canChangeJoinMuted() const {
return _canChangeJoinMuted;
}
ApiWrap &GroupCall::api() const {
return _peer->session().api();
}
} // namespace Data