385 lines
10 KiB
C++
385 lines
10 KiB
C++
/*
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This file is part of Telegram Desktop,
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the official desktop application for the Telegram messaging service.
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For license and copyright information please follow this link:
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https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
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*/
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#include "data/data_group_call.h"
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#include "data/data_channel.h"
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#include "data/data_changes.h"
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#include "data/data_session.h"
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#include "main/main_session.h"
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#include "apiwrap.h"
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namespace Data {
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namespace {
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constexpr auto kRequestPerPage = 30;
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} // namespace
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GroupCall::GroupCall(
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not_null<ChannelData*> channel,
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uint64 id,
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uint64 accessHash)
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: _channel(channel)
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, _id(id)
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, _accessHash(accessHash) {
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}
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GroupCall::~GroupCall() {
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api().request(_unknownSsrcsRequestId).cancel();
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api().request(_participantsRequestId).cancel();
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api().request(_reloadRequestId).cancel();
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}
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uint64 GroupCall::id() const {
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return _id;
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}
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not_null<ChannelData*> GroupCall::channel() const {
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return _channel;
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}
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MTPInputGroupCall GroupCall::input() const {
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return MTP_inputGroupCall(MTP_long(_id), MTP_long(_accessHash));
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}
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auto GroupCall::participants() const
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-> const std::vector<Participant> & {
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return _participants;
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}
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void GroupCall::requestParticipants() {
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if (_participantsRequestId || _reloadRequestId) {
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return;
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} else if (_participants.size() >= _fullCount.current() && _allReceived) {
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return;
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} else if (_allReceived) {
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reload();
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return;
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}
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_participantsRequestId = api().request(MTPphone_GetGroupParticipants(
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input(),
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MTP_vector<MTPint>(), // ids
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MTP_vector<MTPint>(), // ssrcs
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MTP_string(_nextOffset),
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MTP_int(kRequestPerPage)
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)).done([=](const MTPphone_GroupParticipants &result) {
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result.match([&](const MTPDphone_groupParticipants &data) {
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_nextOffset = qs(data.vnext_offset());
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_channel->owner().processUsers(data.vusers());
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applyParticipantsSlice(
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data.vparticipants().v,
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ApplySliceSource::SliceLoaded);
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_fullCount = data.vcount().v;
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if (!_allReceived
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&& (data.vparticipants().v.size() < kRequestPerPage)) {
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_allReceived = true;
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}
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if (_allReceived) {
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_fullCount = _participants.size();
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}
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});
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_participantsSliceAdded.fire({});
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_participantsRequestId = 0;
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}).fail([=](const RPCError &error) {
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_fullCount = _participants.size();
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_allReceived = true;
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_participantsRequestId = 0;
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}).send();
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}
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int GroupCall::fullCount() const {
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return _fullCount.current();
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}
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rpl::producer<int> GroupCall::fullCountValue() const {
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return _fullCount.value();
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}
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bool GroupCall::participantsLoaded() const {
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return _allReceived;
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}
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UserData *GroupCall::userBySsrc(uint32 ssrc) const {
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const auto i = _userBySsrc.find(ssrc);
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return (i != end(_userBySsrc)) ? i->second.get() : nullptr;
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}
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rpl::producer<> GroupCall::participantsSliceAdded() {
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return _participantsSliceAdded.events();
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}
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auto GroupCall::participantUpdated() const
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-> rpl::producer<ParticipantUpdate> {
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return _participantUpdates.events();
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}
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void GroupCall::applyUpdate(const MTPGroupCall &update) {
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applyCall(update, false);
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}
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void GroupCall::applyCall(const MTPGroupCall &call, bool force) {
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call.match([&](const MTPDgroupCall &data) {
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const auto changed = (_version != data.vversion().v)
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|| (_fullCount.current() != data.vparticipants_count().v)
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|| (_joinMuted != data.is_join_muted())
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|| (_canChangeJoinMuted != data.is_can_change_join_muted());
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if (!force && !changed) {
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return;
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} else if (!force && _version > data.vversion().v) {
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reload();
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return;
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}
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_joinMuted = data.is_join_muted();
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_canChangeJoinMuted = data.is_can_change_join_muted();
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_version = data.vversion().v;
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_fullCount = data.vparticipants_count().v;
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}, [&](const MTPDgroupCallDiscarded &data) {
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const auto id = _id;
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const auto channel = _channel;
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crl::on_main(&channel->session(), [=] {
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if (channel->call() && channel->call()->id() == id) {
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channel->clearCall();
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}
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});
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});
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}
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void GroupCall::reload() {
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if (_reloadRequestId) {
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return;
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} else if (_participantsRequestId) {
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api().request(_participantsRequestId).cancel();
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_participantsRequestId = 0;
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}
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_reloadRequestId = api().request(
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MTPphone_GetGroupCall(input())
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).done([=](const MTPphone_GroupCall &result) {
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result.match([&](const MTPDphone_groupCall &data) {
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_channel->owner().processUsers(data.vusers());
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_participants.clear();
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_userBySsrc.clear();
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applyParticipantsSlice(
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data.vparticipants().v,
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ApplySliceSource::SliceLoaded);
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applyCall(data.vcall(), true);
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_allReceived = (_fullCount.current() == _participants.size());
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_participantsSliceAdded.fire({});
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});
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_reloadRequestId = 0;
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}).fail([=](const RPCError &error) {
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_reloadRequestId = 0;
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}).send();
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}
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void GroupCall::applyParticipantsSlice(
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const QVector<MTPGroupCallParticipant> &list,
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ApplySliceSource sliceSource) {
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auto changedCount = _fullCount.current();
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for (const auto &participant : list) {
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participant.match([&](const MTPDgroupCallParticipant &data) {
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const auto userId = data.vuser_id().v;
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const auto user = _channel->owner().user(userId);
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const auto i = ranges::find(
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_participants,
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user,
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&Participant::user);
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if (data.is_left()) {
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if (i != end(_participants)) {
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auto update = ParticipantUpdate{
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.was = *i,
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};
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_userBySsrc.erase(i->ssrc);
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_participants.erase(i);
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if (sliceSource != ApplySliceSource::SliceLoaded) {
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_participantUpdates.fire(std::move(update));
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}
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}
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if (changedCount > _participants.size()) {
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--changedCount;
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}
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return;
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}
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const auto was = (i != end(_participants))
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? std::make_optional(*i)
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: std::nullopt;
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const auto value = Participant{
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.user = user,
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.date = data.vdate().v,
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.lastActive = was ? was->lastActive : 0,
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.ssrc = uint32(data.vsource().v),
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.speaking = !data.is_muted() && (was ? was->speaking : false),
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.muted = data.is_muted(),
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.canSelfUnmute = !data.is_muted() || data.is_can_self_unmute(),
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};
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if (i == end(_participants)) {
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_userBySsrc.emplace(value.ssrc, user);
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_participants.push_back(value);
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_channel->owner().unregisterInvitedToCallUser(_id, user);
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++changedCount;
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} else {
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if (i->ssrc != value.ssrc) {
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_userBySsrc.erase(i->ssrc);
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_userBySsrc.emplace(value.ssrc, user);
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}
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*i = value;
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}
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if (sliceSource != ApplySliceSource::SliceLoaded) {
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_participantUpdates.fire({
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.was = was,
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.now = value,
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});
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}
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});
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}
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if (sliceSource == ApplySliceSource::UpdateReceived) {
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_fullCount = changedCount;
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}
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}
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void GroupCall::applyParticipantsMutes(
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const MTPDupdateGroupCallParticipants &update) {
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for (const auto &participant : update.vparticipants().v) {
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participant.match([&](const MTPDgroupCallParticipant &data) {
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if (data.is_left()) {
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return;
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}
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const auto userId = data.vuser_id().v;
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const auto user = _channel->owner().user(userId);
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const auto i = ranges::find(
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_participants,
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user,
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&Participant::user);
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if (i != end(_participants)) {
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const auto was = *i;
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i->muted = data.is_muted();
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i->canSelfUnmute = !i->muted || data.is_can_self_unmute();
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if (i->muted) {
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i->speaking = false;
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}
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_participantUpdates.fire({
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.was = was,
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.now = *i,
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});
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}
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});
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}
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}
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void GroupCall::applyLastSpoke(uint32 ssrc, crl::time when, crl::time now) {
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const auto i = _userBySsrc.find(ssrc);
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if (i == end(_userBySsrc)) {
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_unknownSpokenSsrcs.emplace(ssrc, when);
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requestUnknownSsrcs();
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return;
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}
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const auto j = ranges::find(_participants, i->second, &Participant::user);
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Assert(j != end(_participants));
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const auto speaking = (when + kSpeakStatusKeptFor >= now) && !j->muted;
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if (j->speaking != speaking) {
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const auto was = *j;
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j->speaking = speaking;
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_participantUpdates.fire({
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.was = was,
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.now = *j,
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});
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}
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}
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void GroupCall::requestUnknownSsrcs() {
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if (_unknownSsrcsRequestId || _unknownSpokenSsrcs.empty()) {
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return;
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}
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const auto ssrcs = [&] {
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if (_unknownSpokenSsrcs.size() < kRequestPerPage) {
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return base::take(_unknownSpokenSsrcs);
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}
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auto result = base::flat_map<uint32, crl::time>();
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result.reserve(kRequestPerPage);
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while (result.size() < kRequestPerPage) {
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const auto [ssrc, when] = _unknownSpokenSsrcs.back();
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result.emplace(ssrc, when);
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_unknownSpokenSsrcs.erase(_unknownSpokenSsrcs.end() - 1);
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}
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return result;
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}();
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auto inputs = QVector<MTPint>();
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inputs.reserve(ssrcs.size());
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for (const auto [ssrc, when] : ssrcs) {
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inputs.push_back(MTP_int(ssrc));
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}
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_unknownSsrcsRequestId = api().request(MTPphone_GetGroupParticipants(
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input(),
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MTP_vector<MTPint>(), // ids
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MTP_vector<MTPint>(inputs),
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MTP_string(QString()),
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MTP_int(kRequestPerPage)
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)).done([=](const MTPphone_GroupParticipants &result) {
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result.match([&](const MTPDphone_groupParticipants &data) {
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_channel->owner().processUsers(data.vusers());
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applyParticipantsSlice(
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data.vparticipants().v,
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ApplySliceSource::UnknownLoaded);
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});
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_unknownSsrcsRequestId = 0;
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const auto now = crl::now();
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for (const auto [ssrc, when] : ssrcs) {
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applyLastSpoke(ssrc, when, now);
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_unknownSpokenSsrcs.remove(ssrc);
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}
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requestUnknownSsrcs();
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}).fail([=](const RPCError &error) {
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_unknownSsrcsRequestId = 0;
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for (const auto [ssrc, when] : ssrcs) {
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_unknownSpokenSsrcs.remove(ssrc);
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}
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requestUnknownSsrcs();
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}).send();
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}
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void GroupCall::applyUpdate(const MTPDupdateGroupCallParticipants &update) {
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const auto version = update.vversion().v;
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if (version < _version) {
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return;
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} else if (version == _version) {
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applyParticipantsMutes(update);
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return;
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} else if (version != _version + 1) {
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applyParticipantsMutes(update);
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reload();
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return;
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}
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_version = update.vversion().v;
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applyUpdateChecked(update);
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}
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void GroupCall::applyUpdateChecked(
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const MTPDupdateGroupCallParticipants &update) {
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applyParticipantsSlice(
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update.vparticipants().v,
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ApplySliceSource::UpdateReceived);
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}
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void GroupCall::setJoinMutedLocally(bool muted) {
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_joinMuted = muted;
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}
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bool GroupCall::joinMuted() const {
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return _joinMuted;
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}
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bool GroupCall::canChangeJoinMuted() const {
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return _canChangeJoinMuted;
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}
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ApiWrap &GroupCall::api() const {
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return _channel->session().api();
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}
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} // namespace Data
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