Improve group call members list updating.

Telegram/SourceFiles/boxes/peer_list_box.cpp

@@ -426,9 +426,9 @@ bool PeerListRow::checked() const {
 	return _checkbox && _checkbox->checked();
 }
 
-void PeerListRow::setCustomStatus(const QString &status) {
+void PeerListRow::setCustomStatus(const QString &status, bool active) {
 	setStatusText(status);
-	_statusType = StatusType::Custom;
+	_statusType = active ? StatusType::CustomActive : StatusType::Custom;
 	_statusValidTill = 0;
 }
 
@@ -438,7 +438,10 @@ void PeerListRow::clearCustomStatus() {
 }
 
 void PeerListRow::refreshStatus() {
-	if (!_initialized || special() || _statusType == StatusType::Custom) {
+	if (!_initialized
+		|| special()
+		|| _statusType == StatusType::Custom
+		|| _statusType == StatusType::CustomActive) {
 		return;
 	}
 	_statusType = StatusType::LastSeen;
@@ -550,7 +553,8 @@ void PeerListRow::paintStatusText(
 		int availableWidth,
 		int outerWidth,
 		bool selected) {
-	auto statusHasOnlineColor = (_statusType == PeerListRow::StatusType::Online);
+	auto statusHasOnlineColor = (_statusType == PeerListRow::StatusType::Online)
+		|| (_statusType == PeerListRow::StatusType::CustomActive);
 	p.setFont(st::contactsStatusFont);
 	p.setPen(statusHasOnlineColor ? st.statusFgActive : (selected ? st.statusFgOver : st.statusFg));
 	_status.drawLeftElided(p, x, y, availableWidth, outerWidth);

Telegram/SourceFiles/boxes/peer_list_box.h

@@ -88,7 +88,7 @@ public:
 	[[nodiscard]] virtual auto generatePaintUserpicCallback()
 		-> PaintRoundImageCallback;
 
-	void setCustomStatus(const QString &status);
+	void setCustomStatus(const QString &status, bool active = false);
 	void clearCustomStatus();
 
 	// Box interface.
@@ -127,6 +127,7 @@ public:
 		Online,
 		LastSeen,
 		Custom,
+		CustomActive,
 	};
 	virtual void refreshStatus();
 	crl::time refreshStatusTime() const;

Telegram/SourceFiles/calls/calls_group_call.cpp

@@ -11,6 +11,7 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 #include "apiwrap.h"
 #include "lang/lang_keys.h"
 #include "boxes/confirm_box.h"
+#include "base/unixtime.h"
 #include "core/application.h"
 #include "core/core_settings.h"
 #include "data/data_changes.h"
@@ -93,19 +94,21 @@ void GroupCall::start() {
 
 void GroupCall::join(const MTPInputGroupCall &inputCall) {
 	setState(State::Joining);
+	_channel->setCall(inputCall);
+
 	inputCall.match([&](const MTPDinputGroupCall &data) {
 		_id = data.vid().v;
 		_accessHash = data.vaccess_hash().v;
 		createAndStartController();
 		rejoin();
 	});
-	_channel->setCall(inputCall);
 
-	_channel->session().changes().peerFlagsValue(
+	using Update = Data::GroupCall::ParticipantUpdate;
-		_channel,
+	_channel->call()->participantUpdated(
-		Data::PeerUpdate::Flag::GroupCall
+	) | rpl::filter([=](const Update &update) {
-	) | rpl::start_with_next([=] {
+		return (_instance != nullptr) && update.removed;
-		checkParticipants();
+	}) | rpl::start_with_next([=](const Update &update) {
+		_instance->removeSsrcs({ update.participant.source });
 	}, _lifetime);
 }
 
@@ -113,6 +116,9 @@ void GroupCall::rejoin() {
 	Expects(_state.current() == State::Joining);
 
 	_mySsrc = 0;
+	applySelfInCallLocally();
+	LOG(("Call Info: Requesting join payload."));
+
 	const auto weak = base::make_weak(this);
 	_instance->emitJoinPayload([=](tgcalls::GroupJoinPayload payload) {
 		crl::on_main(weak, [=, payload = std::move(payload)]{
@@ -134,6 +140,9 @@ void GroupCall::rejoin() {
 			root.insert("fingerprints", fingerprints);
 			root.insert("ssrc", double(payload.ssrc));
 
+			LOG(("Call Info: Join payload received, joining with source: %1."
+				).arg(ssrc));
+
 			const auto json = QJsonDocument(root).toJson(
 				QJsonDocument::Compact);
 			const auto muted = _muted.current();
@@ -146,6 +155,7 @@ void GroupCall::rejoin() {
 			)).done([=](const MTPUpdates &updates) {
 				_mySsrc = ssrc;
 				setState(State::Joined);
+				applySelfInCallLocally();
 
 				if (_muted.current() != muted) {
 					sendMutedUpdate();
@@ -159,28 +169,28 @@ void GroupCall::rejoin() {
 	});
 }
 
-void GroupCall::checkParticipants() {
+void GroupCall::applySelfInCallLocally() {
-	if (!joined()) {
-		return;
-	}
 	const auto call = _channel->call();
 	if (!call || call->id() != _id) {
-		finish(FinishType::Ended);
 		return;
 	}
-	const auto &sources = call->sources();
+	const auto my = [&] {
-	if (sources.size() != call->fullCount() || sources.empty()) {
+		const auto self = _channel->session().userId();
-		call->reload();
+		const auto now = base::unixtime::now();
-		return;
+		using Flag = MTPDgroupCallParticipant::Flag;
-	}
+		return MTP_groupCallParticipant(
-	auto ssrcs = std::vector<uint32_t>();
+			MTP_flags((_mySsrc ? Flag(0) : Flag::f_left)
-	ssrcs.reserve(sources.size());
+				| (_muted.current() ? Flag::f_muted : Flag(0))),
-	for (const auto source : sources) {
+			MTP_int(self),
-		if (source != _mySsrc) {
+			MTP_int(now),
-			ssrcs.push_back(source);
+			MTP_int(0),
-		}
+			MTP_int(_mySsrc));
-	}
+	};
-//	_instance->setSsrcs(std::move(ssrcs));
+	call->applyUpdateChecked(
+		MTP_updateGroupCallParticipants(
+			inputCall(),
+			MTP_vector<MTPGroupCallParticipant>(1, my()),
+			MTP_int(0)).c_updateGroupCallParticipants());
 }
 
 void GroupCall::hangup() {
@@ -292,7 +302,6 @@ void GroupCall::handleUpdate(const MTPGroupCall &call) {
 					});
 				}
 				_instance->setJoinResponsePayload(payload);
-				checkParticipants();
 			});
 		}
 	}, [&](const MTPDgroupCallDiscarded &data) {

Telegram/SourceFiles/calls/calls_group_call.h

@@ -36,6 +36,9 @@ public:
 		const MTPInputGroupCall &inputCall);
 	~GroupCall();
 
+	[[nodiscard]] uint64 id() const {
+		return _id;
+	}
 	[[nodiscard]] not_null<ChannelData*> channel() const {
 		return _channel;
 	}
@@ -92,11 +95,11 @@ private:
 	void handleControllerError(const QString &error);
 	void createAndStartController();
 	void destroyController();
-	void checkParticipants();
 
 	void setState(State state);
 	void finish(FinishType type);
 	void sendMutedUpdate();
+	void applySelfInCallLocally();
 	void rejoin();
 
 	[[nodiscard]] MTPInputGroupCall inputCall() const;

Telegram/SourceFiles/calls/calls_group_members.cpp

@@ -24,40 +24,6 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 namespace Calls {
 namespace {
 
-class MembersController final
-	: public PeerListController
-	, public base::has_weak_ptr {
-public:
-	explicit MembersController(not_null<GroupCall*> call);
-
-	Main::Session &session() const override;
-	void prepare() override;
-	void rowClicked(not_null<PeerListRow*> row) override;
-	void rowActionClicked(not_null<PeerListRow*> row) override;
-	base::unique_qptr<Ui::PopupMenu> rowContextMenu(
-		QWidget *parent,
-		not_null<PeerListRow*> row) override;
-	void loadMoreRows() override;
-
-private:
-	[[nodiscard]] std::unique_ptr<PeerListRow> createRow(
-		not_null<UserData*> user) const;
-
-	void prepareRows();
-
-	void setupListChangeViewers();
-	bool appendRow(not_null<UserData*> user);
-	bool prependRow(not_null<UserData*> user);
-	bool removeRow(not_null<UserData*> user);
-
-	const base::weak_ptr<GroupCall> _call;
-	const not_null<ChannelData*> _channel;
-
-	Ui::BoxPointer _addBox;
-	rpl::lifetime _lifetime;
-
-};
-
 class Row final : public PeerListRow {
 public:
 	Row(not_null<ChannelData*> channel, not_null<UserData*> user);
@@ -68,6 +34,8 @@ public:
 		Muted,
 	};
 
+	void updateState(const Data::GroupCall::Participant *participant);
+
 	void addActionRipple(QPoint point, Fn<void()> updateCallback) override;
 	void stopLastActionRipple() override;
 
@@ -108,6 +76,50 @@ private:
 
 };
 
+class MembersController final
+	: public PeerListController
+	, public base::has_weak_ptr {
+public:
+	explicit MembersController(not_null<GroupCall*> call);
+
+	Main::Session &session() const override;
+	void prepare() override;
+	void rowClicked(not_null<PeerListRow*> row) override;
+	void rowActionClicked(not_null<PeerListRow*> row) override;
+	base::unique_qptr<Ui::PopupMenu> rowContextMenu(
+		QWidget *parent,
+		not_null<PeerListRow*> row) override;
+	void loadMoreRows() override;
+
+	[[nodiscard]] rpl::producer<int> fullCountValue() const {
+		return _fullCount.value();
+	}
+
+private:
+
+	[[nodiscard]] std::unique_ptr<PeerListRow> createSelfRow() const;
+	[[nodiscard]] std::unique_ptr<PeerListRow> createRow(
+		const Data::GroupCall::Participant &participant) const;
+
+	void prepareRows(not_null<Data::GroupCall*> real);
+
+	void setupListChangeViewers(not_null<GroupCall*> call);
+	void subscribeToChanges(not_null<Data::GroupCall*> real);
+	void updateRow(
+		const Data::GroupCall::Participant &participant);
+	void updateRow(
+		not_null<Row*> row,
+		const Data::GroupCall::Participant *participant) const;
+
+	const base::weak_ptr<GroupCall> _call;
+	const not_null<ChannelData*> _channel;
+
+	rpl::variable<int> _fullCount = 1;
+	Ui::BoxPointer _addBox;
+	rpl::lifetime _lifetime;
+
+};
+
 Row::Row(not_null<ChannelData*> channel, not_null<UserData*> user)
 : PeerListRow(user)
 , _state(ComputeState(channel, user))
@@ -115,6 +127,24 @@ Row::Row(not_null<ChannelData*> channel, not_null<UserData*> user)
 	refreshStatus();
 }
 
+void Row::updateState(const Data::GroupCall::Participant *participant) {
+	if (!participant) {
+		if (peer()->isSelf()) {
+			setCustomStatus(tr::lng_group_call_connecting(tr::now));
+		} else {
+			setCustomStatus(QString());
+		}
+		_state = State::Inactive;
+	} else if (!participant->muted) {
+		_state = State::Active;
+	} else if (participant->canSelfUnmute) {
+		_state = State::Inactive;
+	} else {
+		_state = State::Muted;
+	}
+	_st = ComputeIconStyle(_state);
+}
+
 void Row::paintAction(
 		Painter &p,
 		int x,
@@ -146,7 +176,7 @@ void Row::refreshStatus() {
 		case State::Active: return tr::lng_group_call_active(tr::now);
 		}
 		Unexpected("State in Row::refreshStatus.");
-	}());
+	}(), (_state == State::Active));
 }
 
 Row::State Row::ComputeState(
@@ -202,18 +232,81 @@ void Row::stopLastActionRipple() {
 MembersController::MembersController(not_null<GroupCall*> call)
 : _call(call)
 , _channel(call->channel()) {
-	setupListChangeViewers();
+	setupListChangeViewers(call);
 }
 
-void MembersController::setupListChangeViewers() {
+void MembersController::setupListChangeViewers(not_null<GroupCall*> call) {
-	const auto call = _call.get();
 	const auto channel = call->channel();
-	channel->session().changes().peerUpdates(
+	channel->session().changes().peerFlagsValue(
 		channel,
 		Data::PeerUpdate::Flag::GroupCall
-	) | rpl::start_with_next([=] {
+	) | rpl::map([=] {
-		prepareRows();
+		return channel->call();
+	}) | rpl::filter([=](Data::GroupCall *real) {
+		const auto call = _call.get();
+		return call && real && (real->id() == call->id());
+	}) | rpl::take(
+		1
+	) | rpl::start_with_next([=](not_null<Data::GroupCall*> real) {
+		subscribeToChanges(real);
 	}, _lifetime);
+
+	call->stateValue(
+	) | rpl::start_with_next([=] {
+		const auto call = _call.get();
+		const auto real = channel->call();
+		if (call && real && (real->id() == call->id())) {
+			//updateRow(channel->session().user());
+		}
+	}, _lifetime);
+}
+
+void MembersController::subscribeToChanges(not_null<Data::GroupCall*> real) {
+	_fullCount = real->fullCountValue(
+	) | rpl::map([](int value) {
+		return std::max(value, 1);
+	});
+
+	real->participantsSliceAdded(
+	) | rpl::start_with_next([=] {
+		prepareRows(real);
+	}, _lifetime);
+
+	using Update = Data::GroupCall::ParticipantUpdate;
+	real->participantUpdated(
+	) | rpl::start_with_next([=](const Update &update) {
+		const auto user = update.participant.user;
+		if (update.removed) {
+			if (auto row = delegate()->peerListFindRow(user->id)) {
+				if (user->isSelf()) {
+					static_cast<Row*>(row)->updateState(nullptr);
+					delegate()->peerListUpdateRow(row);
+				} else {
+					delegate()->peerListRemoveRow(row);
+					delegate()->peerListRefreshRows();
+				}
+			}
+		} else {
+			updateRow(update.participant);
+		}
+	}, _lifetime);
+}
+
+void MembersController::updateRow(
+		const Data::GroupCall::Participant &participant) {
+	if (auto row = delegate()->peerListFindRow(participant.user->id)) {
+		updateRow(static_cast<Row*>(row), &participant);
+	} else if (auto row = createRow(participant)) {
+		delegate()->peerListAppendRow(std::move(row));
+		delegate()->peerListRefreshRows();
+	}
+}
+
+void MembersController::updateRow(
+		not_null<Row*> row,
+		const Data::GroupCall::Participant *participant) const {
+	row->updateState(participant);
+	delegate()->peerListUpdateRow(row);
 }
 
 Main::Session &MembersController::session() const {
@@ -226,17 +319,18 @@ void MembersController::prepare() {
 	setDescriptionText(tr::lng_contacts_loading(tr::now));
 	setSearchNoResultsText(tr::lng_blocked_list_not_found(tr::now));
 
-	prepareRows();
+	const auto call = _call.get();
-	delegate()->peerListRefreshRows();
+	if (const auto real = _channel->call();
-
+		real && call && real->id() == call->id()) {
+		prepareRows(real);
+	} else if (auto row = createSelfRow()) {
+		delegate()->peerListAppendRow(std::move(row));
+		delegate()->peerListRefreshRows();
+	}
 	loadMoreRows();
 }
 
-void MembersController::prepareRows() {
+void MembersController::prepareRows(not_null<Data::GroupCall*> real) {
-	const auto real = _channel->call();
-	if (!real) {
-		return;
-	}
 	auto foundSelf = false;
 	auto changed = false;
 	const auto &participants = real->participants();
@@ -262,13 +356,19 @@ void MembersController::prepareRows() {
 		}
 	}
 	if (!foundSelf) {
-		if (auto row = createRow(_channel->session().user())) {
+		const auto self = _channel->session().user();
+		const auto i = ranges::find(
+			participants,
+			_channel->session().user(),
+			&Data::GroupCall::Participant::user);
+		auto row = (i != end(participants)) ? createRow(*i) : createSelfRow();
+		if (row) {
 			changed = true;
 			delegate()->peerListAppendRow(std::move(row));
 		}
 	}
 	for (const auto &participant : participants) {
-		if (auto row = createRow(participant.user)) {
+		if (auto row = createRow(participant)) {
 			changed = true;
 			delegate()->peerListAppendRow(std::move(row));
 		}
@@ -279,10 +379,8 @@ void MembersController::prepareRows() {
 }
 
 void MembersController::loadMoreRows() {
-	if (const auto call = _call.get()) {
+	if (const auto real = _channel->call()) {
-		if (const auto real = call->channel()->call()) {
+		real->requestParticipants();
-			real->requestParticipants();
-		}
 	}
 }
 
@@ -308,33 +406,18 @@ base::unique_qptr<Ui::PopupMenu> MembersController::rowContextMenu(
 	return nullptr;
 }
 
-bool MembersController::appendRow(not_null<UserData*> user) {
+std::unique_ptr<PeerListRow> MembersController::createSelfRow() const {
-	if (delegate()->peerListFindRow(user->id)) {
+	const auto self = _channel->session().user();
-		return false;
+	auto result = std::make_unique<Row>(_channel, self);
-	}
+	updateRow(result.get(), nullptr);
-	delegate()->peerListAppendRow(createRow(user));
+	return result;
-	return true;
-}
-
-bool MembersController::prependRow(not_null<UserData*> user) {
-	if (auto row = delegate()->peerListFindRow(user->id)) {
-		return false;
-	}
-	delegate()->peerListPrependRow(createRow(user));
-	return true;
-}
-
-bool MembersController::removeRow(not_null<UserData*> user) {
-	if (auto row = delegate()->peerListFindRow(user->id)) {
-		delegate()->peerListRemoveRow(row);
-		return true;
-	}
-	return false;
 }
 
 std::unique_ptr<PeerListRow> MembersController::createRow(
-		not_null<UserData*> user) const {
+		const Data::GroupCall::Participant &participant) const {
-	return std::make_unique<Row>(_channel, user);
+	auto result = std::make_unique<Row>(_channel, participant.user);
+	updateRow(result.get(), &participant);
+	return result;
 }
 
 } // namespace
@@ -393,19 +476,13 @@ void GroupMembers::setupHeader(not_null<GroupCall*> call) {
 
 object_ptr<Ui::FlatLabel> GroupMembers::setupTitle(
 		not_null<GroupCall*> call) {
-	const auto channel = call->channel();
+	const auto controller = static_cast<MembersController*>(
-	auto count = channel->session().changes().peerFlagsValue(
+		_listController.get());
-		channel,
-		Data::PeerUpdate::Flag::GroupCall
-	) | rpl::map([=] {
-		const auto call = channel->call();
-		return std::max(call ? call->fullCount() : 0, 1);
-	});
 	auto result = object_ptr<Ui::FlatLabel>(
 		_titleWrap,
 		tr::lng_chat_status_members(
 			lt_count_decimal,
-			std::move(count) | tr::to_count(),
+			controller->fullCountValue() | tr::to_count(),
 			Ui::Text::Upper
 		),
 		st::groupCallHeaderLabel);

Telegram/SourceFiles/calls/calls_group_members.h

@@ -13,6 +13,10 @@ namespace Ui {
 class ScrollArea;
 } // namespace Ui
 
+namespace Data {
+class GroupCall;
+} // namespace Data
+
 namespace Calls {
 
 class GroupCall;
@@ -58,7 +62,6 @@ private:
 	void setupButtons();
 
 	void addMember();
-	void showMembersWithSearch(bool withSearch);
 	void updateHeaderControlsGeometry(int newWidth);
 
 	base::weak_ptr<GroupCall> _call;

Telegram/SourceFiles/calls/calls_group_panel.cpp

@@ -11,6 +11,8 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 #include "ui/widgets/buttons.h"
 #include "ui/widgets/window.h"
 #include "ui/effects/ripple_animation.h"
+#include "ui/layers/layer_manager.h"
+#include "boxes/confirm_box.h"
 #include "core/application.h"
 #include "lang/lang_keys.h"
 #include "base/event_filter.h"
@@ -216,6 +218,7 @@ GroupPanel::GroupPanel(not_null<GroupCall*> call)
 : _call(call)
 , _channel(call->channel())
 , _window(std::make_unique<Ui::Window>(Core::App().getModalParent()))
+, _layerBg(std::make_unique<Ui::LayerManager>(_window->body()))
 #ifdef Q_OS_WIN
 , _controls(std::make_unique<Ui::Platform::TitleControls>(
 	_window.get(),
@@ -300,9 +303,10 @@ void GroupPanel::initControls() {
 		}
 	});
 	_hangup->setClickedCallback([=] {
-		if (_call) {
+		_layerBg->showBox(Box<ConfirmBox>(
-			_call->hangup();
+			tr::lng_group_call_leave_sure(tr::now),
-		}
+			tr::lng_group_call_leave(tr::now),
+			[=] { if (_call) _call->hangup(); }));
 	});
 	_settings->setClickedCallback([=] {
 	});
@@ -409,7 +413,7 @@ void GroupPanel::updateControlsGeometry() {
 		- membersTop
 		- st::groupCallMembersMargin.bottom();
 	_members->setGeometry(
-		st::groupCallMembersMargin.left(),
+		(widget()->width() - membersWidth) / 2,
 		membersTop,
 		membersWidth,
 		std::min(desiredHeight, availableHeight));
@@ -426,6 +430,7 @@ void GroupPanel::refreshTitle() {
 				widget(),
 				tr::lng_group_call_title(),
 				st::groupCallHeaderLabel);
+			_title->setAttribute(Qt::WA_TransparentForMouseEvents);
 			_window->setTitle(u" "_q);
 		}
 		const auto best = _title->naturalWidth();

Telegram/SourceFiles/calls/calls_group_panel.h

@@ -30,6 +30,7 @@ template <typename Widget>
 class PaddingWrap;
 class Window;
 class ScrollArea;
+class LayerManager;
 namespace Platform {
 class TitleControls;
 } // namespace Platform
@@ -84,6 +85,7 @@ private:
 	not_null<ChannelData*> _channel;
 
 	const std::unique_ptr<Ui::Window> _window;
+	const std::unique_ptr<Ui::LayerManager> _layerBg;
 
 #ifdef Q_OS_WIN
 	std::unique_ptr<Ui::Platform::TitleControls> _controls;

Telegram/SourceFiles/data/data_group_call.cpp

@@ -51,14 +51,10 @@ auto GroupCall::participants() const
 	return _participants;
 }
 
-const base::flat_set<uint32> &GroupCall::sources() const {
-	return _sources;
-}
-
 void GroupCall::requestParticipants() {
 	if (_participantsRequestId || _reloadRequestId) {
 		return;
-	} else if (_participants.size() >= _fullCount && _allReceived) {
+	} else if (_participants.size() >= _fullCount.current() && _allReceived) {
 		return;
 	} else if (_allReceived) {
 		reload();
@@ -83,9 +79,7 @@ void GroupCall::requestParticipants() {
 				_fullCount = _participants.size();
 			}
 		});
-		_channel->session().changes().peerUpdated(
+		_participantsSliceAdded.fire({});
-			_channel,
-			PeerUpdate::Flag::GroupCall);
 		_participantsRequestId = 0;
 	}).fail([=](const RPCError &error) {
 		_fullCount = _participants.size();
@@ -98,13 +92,26 @@ void GroupCall::requestParticipants() {
 }
 
 int GroupCall::fullCount() const {
-	return _fullCount;
+	return _fullCount.current();
+}
+
+rpl::producer<int> GroupCall::fullCountValue() const {
+	return _fullCount.value();
 }
 
 bool GroupCall::participantsLoaded() const {
 	return _allReceived;
 }
 
+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);
 }
@@ -112,7 +119,7 @@ void GroupCall::applyUpdate(const MTPGroupCall &update) {
 void GroupCall::applyCall(const MTPGroupCall &call, bool force) {
 	call.match([&](const MTPDgroupCall &data) {
 		const auto changed = (_version != data.vversion().v)
-			|| (_fullCount != data.vparticipants_count().v);
+			|| (_fullCount.current() != data.vparticipants_count().v);
 		if (!force && !changed) {
 			return;
 		} else if (!force && _version > data.vversion().v) {
@@ -130,9 +137,6 @@ void GroupCall::applyCall(const MTPGroupCall &call, bool force) {
 		_finished = true;
 		_duration = data.vduration().v;
 	});
-	_channel->session().changes().peerUpdated(
-		_channel,
-		PeerUpdate::Flag::GroupCall);
 }
 
 void GroupCall::reload() {
@@ -148,17 +152,10 @@ void GroupCall::reload() {
 		result.match([&](const MTPDphone_groupCall &data) {
 			_channel->owner().processUsers(data.vusers());
 			_participants.clear();
-			_sources.clear();
 			applyParticipantsSlice(data.vparticipants().v);
-			for (const auto &source : data.vsources().v) {
-				_sources.emplace(source.v);
-			}
-			_fullCount = _sources.size();
-			if (_participants.size() > _fullCount) {
-				_fullCount = _participants.size();
-			}
-			_allReceived = (_fullCount == _participants.size());
 			applyCall(data.vcall(), true);
+			_allReceived = (_fullCount.current() == _participants.size());
+			_participantsSliceAdded.fire({});
 		});
 		_reloadRequestId = 0;
 	}).fail([=](const RPCError &error) {
@@ -167,7 +164,9 @@ void GroupCall::reload() {
 }
 
 void GroupCall::applyParticipantsSlice(
-		const QVector<MTPGroupCallParticipant> &list) {
+		const QVector<MTPGroupCallParticipant> &list,
+		bool sendIndividualUpdates) {
+	auto fullCount = _fullCount.current();
 	for (const auto &participant : list) {
 		participant.match([&](const MTPDgroupCallParticipant &data) {
 			const auto userId = data.vuser_id().v;
@@ -178,11 +177,17 @@ void GroupCall::applyParticipantsSlice(
 				&Participant::user);
 			if (data.is_left()) {
 				if (i != end(_participants)) {
-					_sources.remove(i->source);
+					auto update = ParticipantUpdate{
+						.participant = *i,
+						.removed = true,
+					};
 					_participants.erase(i);
+					if (sendIndividualUpdates) {
+						_participantUpdates.fire(std::move(update));
+					}
 				}
-				if (_fullCount > _participants.size()) {
+				if (fullCount > _participants.size()) {
-					--_fullCount;
+					--fullCount;
 				}
 				return;
 			}
@@ -195,28 +200,69 @@ void GroupCall::applyParticipantsSlice(
 			};
 			if (i == end(_participants)) {
 				_participants.push_back(value);
-				++_fullCount;
+				++fullCount;
 			} else {
 				*i = value;
 			}
-			_sources.emplace(uint32(data.vsource().v));
+			_participantUpdates.fire({
+				.participant = value,
+			});
 		});
 	}
-	ranges::sort(_participants, std::greater<>(), &Participant::date);
+	ranges::sort(_participants, std::greater<>(), [](const Participant &p) {
+		return p.lastActivePrecise
+			? p.lastActivePrecise
+			: p.lastActive
+			? p.lastActive
+			: p.date;
+	});
+	_fullCount = fullCount;
+}
+
+void GroupCall::applyParticipantsMutes(
+		const MTPDupdateGroupCallParticipants &update) {
+	for (const auto &participant : update.vparticipants().v) {
+		participant.match([&](const MTPDgroupCallParticipant &data) {
+			if (data.is_left()) {
+				return;
+			}
+			const auto userId = data.vuser_id().v;
+			const auto user = _channel->owner().user(userId);
+			const auto i = ranges::find(
+				_participants,
+				user,
+				&Participant::user);
+			if (i != end(_participants)) {
+				i->muted = data.is_muted();
+				i->canSelfUnmute = data.is_can_self_unmute();
+				_participantUpdates.fire({
+					.participant = *i,
+				});
+			}
+		});
+	}
+
 }
 
 void GroupCall::applyUpdate(const MTPDupdateGroupCallParticipants &update) {
-	if (update.vversion().v <= _version) {
+	const auto version = update.vversion().v;
+	if (version < _version) {
 		return;
-	} else if (update.vversion().v != _version + 1) {
+	} else if (version == _version) {
+		applyParticipantsMutes(update);
+		return;
+	} else if (version != _version + 1) {
+		applyParticipantsMutes(update);
 		reload();
 		return;
 	}
 	_version = update.vversion().v;
-	applyParticipantsSlice(update.vparticipants().v);
+	applyUpdateChecked(update);
-	_channel->session().changes().peerUpdated(
+}
-		_channel,
+
-		PeerUpdate::Flag::GroupCall);
+void GroupCall::applyUpdateChecked(
+		const MTPDupdateGroupCallParticipants &update) {
+	applyParticipantsSlice(update.vparticipants().v, true);
 }
 
 } // namespace Data

Telegram/SourceFiles/data/data_group_call.h

@@ -24,21 +24,32 @@ public:
 	struct Participant {
 		not_null<UserData*> user;
 		TimeId date = 0;
+		TimeId lastActive = 0;
+		TimeId lastActivePrecise = 0;
 		uint32 source = 0;
 		bool muted = false;
 		bool canSelfUnmute = false;
 	};
+	struct ParticipantUpdate {
+		Participant participant;
+		bool removed = false;
+	};
 
 	[[nodiscard]] auto participants() const
 		-> const std::vector<Participant> &;
-	[[nodiscard]] const base::flat_set<uint32> &sources() const;
 	void requestParticipants();
 	[[nodiscard]] bool participantsLoaded() const;
 
+	[[nodiscard]] rpl::producer<> participantsSliceAdded();
+	[[nodiscard]] rpl::producer<ParticipantUpdate> participantUpdated() const;
+
 	void applyUpdate(const MTPGroupCall &update);
 	void applyUpdate(const MTPDupdateGroupCallParticipants &update);
+	void applyUpdateChecked(
+		const MTPDupdateGroupCallParticipants &update);
 
 	[[nodiscard]] int fullCount() const;
+	[[nodiscard]] rpl::producer<int> fullCountValue() const;
 
 	void reload();
 	[[nodiscard]] bool finished() const;
@@ -46,7 +57,11 @@ public:
 
 private:
 	void applyCall(const MTPGroupCall &call, bool force);
-	void applyParticipantsSlice(const QVector<MTPGroupCallParticipant> &list);
+	void applyParticipantsSlice(
+		const QVector<MTPGroupCallParticipant> &list,
+		bool sendIndividualUpdates = false);
+	void applyParticipantsMutes(
+		const MTPDupdateGroupCallParticipants &update);
 
 	const not_null<ChannelData*> _channel;
 	const uint64 _id = 0;
@@ -57,9 +72,12 @@ private:
 	mtpRequestId _reloadRequestId = 0;
 
 	std::vector<Participant> _participants;
-	base::flat_set<uint32> _sources;
 	QString _nextOffset;
-	int _fullCount = 0;
+	rpl::variable<int> _fullCount = 0;
+
+	rpl::event_stream<ParticipantUpdate> _participantUpdates;
+	rpl::event_stream<> _participantsSliceAdded;
+
 	int _duration = 0;
 	bool _finished = false;
 	bool _allReceived = false;

Telegram/ThirdParty/tgcalls

@@ -1 +1 @@
-Subproject commit d2c6ad40d717e604859589d854b81229abd11763
+Subproject commit ac86c0ee86293d6fced7dcb48a8c93657f18a7f3