Add ability to Raise Hand in ForceMuted state.

Telegram/Resources/langs/lang.strings

@@ -1929,6 +1929,9 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 "lng_group_call_you_are_live" = "You are Live";
 "lng_group_call_force_muted" = "Muted by admin";
 "lng_group_call_force_muted_sub" = "You are in Listen Only mode";
+"lng_group_call_raise_hand_tip" = "Click if you want to speak";
+"lng_group_call_raised_hand" = "You asked to speak";
+"lng_group_call_raised_hand_sub" = "We let the speakers know";
 "lng_group_call_connecting" = "Connecting...";
 "lng_group_call_leave" = "Leave";
 "lng_group_call_leave_title" = "Leave voice chat";

Telegram/SourceFiles/calls/calls_group_call.cpp

@@ -173,7 +173,8 @@ GroupCall::GroupCall(
 		if (_instance) {
 			updateInstanceMuteState();
 		}
-		if (_mySsrc) {
+		if (_mySsrc && !_initialMuteStateSent) {
+			_initialMuteStateSent = true;
 			maybeSendMutedUpdate(previous);
 		}
 	}, _lifetime);
@@ -371,6 +372,7 @@ void GroupCall::rejoin() {
 	}
 
 	_mySsrc = 0;
+	_initialMuteStateSent = false;
 	setState(State::Joining);
 	ensureControllerCreated();
 	setInstanceMode(InstanceMode::None);
@@ -464,7 +466,8 @@ void GroupCall::applyMeInCallLocally() {
 	const auto volume = (i != end(participants))
 		? i->volume
 		: Group::kDefaultVolume;
-	const auto canSelfUnmute = (muted() != MuteState::ForceMuted);
+	const auto canSelfUnmute = (muted() != MuteState::ForceMuted)
+		&& (muted() != MuteState::RaisedHand);
 	const auto flags = (canSelfUnmute ? Flag::f_can_self_unmute : Flag(0))
 		| (lastActive ? Flag::f_active_date : Flag(0))
 		| (_mySsrc ? Flag(0) : Flag::f_left)
@@ -612,10 +615,12 @@ void GroupCall::setMuted(MuteState mute) {
 	const auto set = [=] {
 		const auto wasMuted = (muted() == MuteState::Muted)
 			|| (muted() == MuteState::PushToTalk);
+		const auto wasRaiseHand = (muted() == MuteState::RaisedHand);
 		_muted = mute;
 		const auto nowMuted = (muted() == MuteState::Muted)
 			|| (muted() == MuteState::PushToTalk);
-		if (wasMuted != nowMuted) {
+		const auto nowRaiseHand = (muted() == MuteState::RaisedHand);
+		if (wasMuted != nowMuted || wasRaiseHand != nowRaiseHand) {
 			applyMeInCallLocally();
 		}
 	};
@@ -626,6 +631,15 @@ void GroupCall::setMuted(MuteState mute) {
 	}
 }
 
+void GroupCall::setMutedAndUpdate(MuteState mute) {
+	const auto was = muted();
+	const auto send = _initialMuteStateSent;
+	setMuted(mute);
+	if (send) {
+		maybeSendMutedUpdate(was);
+	}
+}
+
 void GroupCall::handleUpdate(const MTPGroupCall &call) {
 	return call.match([&](const MTPDgroupCall &data) {
 		if (_acceptFields) {
@@ -814,12 +828,15 @@ void GroupCall::handleUpdate(const MTPDupdateGroupCallParticipants &data) {
 				hangup();
 			}
 			if (data.is_muted() && !data.is_can_self_unmute()) {
-				setMuted(MuteState::ForceMuted);
+				setMuted(data.vraise_hand_rating().value_or_empty()
+					? MuteState::RaisedHand
+					: MuteState::ForceMuted);
 			} else if (_instanceMode == InstanceMode::Stream) {
 				LOG(("Call Info: Rejoin after unforcemute in stream mode."));
 				setState(State::Joining);
 				rejoin();
-			} else if (muted() == MuteState::ForceMuted) {
+			} else if (muted() == MuteState::ForceMuted
+				|| muted() == MuteState::RaisedHand) {
 				setMuted(MuteState::Muted);
 			} else if (data.is_muted() && muted() != MuteState::Muted) {
 				setMuted(MuteState::Muted);
@@ -1176,23 +1193,28 @@ void GroupCall::maybeSendMutedUpdate(MuteState previous) {
 	const auto now = muted();
 	const auto wasActive = (previous == MuteState::Active);
 	const auto nowActive = (now == MuteState::Active);
-	if (now == MuteState::ForceMuted
-		|| previous == MuteState::ForceMuted
-		|| (nowActive == wasActive)) {
-		return;
+	if ((wasActive && now == MuteState::Muted)
+		|| (nowActive
+			&& (previous == MuteState::Muted
+				|| previous == MuteState::PushToTalk))
+		|| (now == MuteState::ForceMuted
+			&& previous == MuteState::RaisedHand)
+		|| (now == MuteState::RaisedHand
+			&& previous == MuteState::ForceMuted)) {
+		sendMutedUpdate();
 	}
-	sendMutedUpdate();
 }
 
 void GroupCall::sendMutedUpdate() {
 	_api.request(_updateMuteRequestId).cancel();
 	using Flag = MTPphone_EditGroupCallParticipant::Flag;
 	_updateMuteRequestId = _api.request(MTPphone_EditGroupCallParticipant(
-		MTP_flags((muted() != MuteState::Active) ? Flag::f_muted : Flag(0)),
+		MTP_flags(((muted() != MuteState::Active) ? Flag::f_muted : Flag(0))
+			| Flag::f_raise_hand),
 		inputCall(),
 		_joinAs->input,
 		MTP_int(100000), // volume
-		MTPBool() // #TODO calls raise_hand
+		MTP_bool(muted() == MuteState::RaisedHand)
 	)).done([=](const MTPUpdates &result) {
 		_updateMuteRequestId = 0;
 		_peer->session().api().applyUpdates(result);
@@ -1364,6 +1386,7 @@ void GroupCall::applyGlobalShortcutChanges() {
 
 void GroupCall::pushToTalk(bool pressed, crl::time delay) {
 	if (muted() == MuteState::ForceMuted
+		|| muted() == MuteState::RaisedHand
 		|| muted() == MuteState::Active) {
 		return;
 	} else if (pressed) {

Telegram/SourceFiles/calls/calls_group_call.h

@@ -50,6 +50,7 @@ enum class MuteState {
 	PushToTalk,
 	Muted,
 	ForceMuted,
+	RaisedHand,
 };
 
 [[nodiscard]] inline auto MapPushToTalkToActive() {
@@ -120,6 +121,7 @@ public:
 	void changeTitle(const QString &title);
 
 	void setMuted(MuteState mute);
+	void setMutedAndUpdate(MuteState mute);
 	[[nodiscard]] MuteState muted() const {
 		return _muted.current();
 	}
@@ -263,6 +265,7 @@ private:
 	std::vector<not_null<PeerData*>> _possibleJoinAs;
 
 	rpl::variable<MuteState> _muted = MuteState::Muted;
+	bool _initialMuteStateSent = false;
 	bool _acceptFields = false;
 
 	rpl::event_stream<Group::ParticipantState> _otherParticipantStateValue;

Telegram/SourceFiles/calls/calls_group_panel.cpp

@@ -471,13 +471,15 @@ void GroupPanel::initControls() {
 	) | rpl::filter([=](Qt::MouseButton button) {
 		return (button == Qt::LeftButton) && (_call != nullptr);
 	}) | rpl::start_with_next([=] {
-		if (_call->muted() == MuteState::ForceMuted) {
-			_mute->shake();
-		} else {
-			_call->setMuted((_call->muted() == MuteState::Muted)
-				? MuteState::Active
-				: MuteState::Muted);
-		}
+		const auto oldState = _call->muted();
+		const auto newState = (oldState == MuteState::ForceMuted)
+			? MuteState::RaisedHand
+			: (oldState == MuteState::RaisedHand)
+			? MuteState::ForceMuted
+			: (oldState == MuteState::Muted)
+			? MuteState::Active
+			: MuteState::Muted;
+		_call->setMutedAndUpdate(newState);
 	}, _mute->lifetime());
 
 	_hangup->setClickedCallback([=] { endCall(); });
@@ -562,13 +564,17 @@ void GroupPanel::initWithCall(GroupCall *call) {
 				? tr::lng_group_call_connecting(tr::now)
 				: mute == MuteState::ForceMuted
 				? tr::lng_group_call_force_muted(tr::now)
+				: mute == MuteState::RaisedHand
+				? tr::lng_group_call_raised_hand(tr::now)
 				: mute == MuteState::Muted
 				? tr::lng_group_call_unmute(tr::now)
 				: tr::lng_group_call_you_are_live(tr::now)),
 			.subtext = (connecting
 				? QString()
 				: mute == MuteState::ForceMuted
-				? tr::lng_group_call_force_muted_sub(tr::now)
+				? tr::lng_group_call_raise_hand_tip(tr::now)
+				: mute == MuteState::RaisedHand
+				? tr::lng_group_call_raised_hand_sub(tr::now)
 				: mute == MuteState::Muted
 				? tr::lng_group_call_unmute_sub(tr::now)
 				: QString()),
@@ -576,6 +582,8 @@ void GroupPanel::initWithCall(GroupCall *call) {
 				? Ui::CallMuteButtonType::Connecting
 				: mute == MuteState::ForceMuted
 				? Ui::CallMuteButtonType::ForceMuted
+				: mute == MuteState::RaisedHand
+				? Ui::CallMuteButtonType::RaisedHand
 				: mute == MuteState::Muted
 				? Ui::CallMuteButtonType::Muted
 				: Ui::CallMuteButtonType::Active),

Telegram/SourceFiles/calls/calls_top_bar.cpp

@@ -60,7 +60,7 @@ constexpr auto kBlobUpdateInterval = crl::time(100);
 auto BarStateFromMuteState(MuteState state, bool connecting) {
 	return (connecting
 		? BarState::Connecting
-		: state == MuteState::ForceMuted
+		: (state == MuteState::ForceMuted || state == MuteState::RaisedHand)
 		? BarState::ForceMuted
 		: state == MuteState::Muted
 		? BarState::Muted
@@ -274,7 +274,8 @@ void TopBar::initControls() {
 		if (const auto call = _call.get()) {
 			call->setMuted(!call->muted());
 		} else if (const auto group = _groupCall.get()) {
-			if (group->muted() == MuteState::ForceMuted) {
+			if (group->muted() == MuteState::ForceMuted
+				|| group->muted() == MuteState::RaisedHand) {
 				Ui::Toast::Show(tr::lng_group_call_force_muted_sub(tr::now));
 			} else {
 				group->setMuted((group->muted() == MuteState::Muted)