Add 'rejoin as' and 'change title' toast notifications.

Telegram/Resources/langs/lang.strings

@@ -2013,6 +2013,8 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 "lng_group_call_is_recorded" = "Voice chat is being recorded.";
 "lng_group_call_can_speak_here" = "You can now speak.";
 "lng_group_call_can_speak" = "You can now speak in {chat}.";
+"lng_group_call_title_changed" = "Voice chat title changed to {title}";
+"lng_group_call_join_as_changed" = "Members of this voice chat will now see you as {name}";
 
 "lng_no_mic_permission" = "Telegram needs access to your microphone so that you can make calls and record voice messages.";
 

Telegram/SourceFiles/calls/calls_group_call.cpp

@@ -930,12 +930,12 @@ void GroupCall::changeTitle(const QString &title) {
 		return;
 	}
 
-	real->setTitle(title);
 	_api.request(MTPphone_EditGroupCallTitle(
 		inputCall(),
 		MTP_string(title)
 	)).done([=](const MTPUpdates &result) {
 		_peer->session().api().applyUpdates(result);
+		_titleChanged.fire({});
 	}).fail([=](const MTP::Error &error) {
 	}).send();
 }
@@ -1374,11 +1374,6 @@ void GroupCall::sendSelfUpdate(SendUpdateType type) {
 	}).send();
 }
 
-auto GroupCall::instanceStateValue() const -> rpl::producer<InstanceState> {
-	using namespace rpl::mappers;
-	return _instanceState.value();
-}
-
 void GroupCall::setCurrentAudioDevice(bool input, const QString &deviceId) {
 	if (input) {
 		_mediaDevices->switchToAudioInput(deviceId);

Telegram/SourceFiles/calls/calls_group_call.h

@@ -158,7 +158,12 @@ public:
 		TransitionToRtc,
 		Connected,
 	};
-	[[nodiscard]] rpl::producer<InstanceState> instanceStateValue() const;
+	[[nodiscard]] InstanceState instanceState() const {
+		return _instanceState.current();
+	}
+	[[nodiscard]] rpl::producer<InstanceState> instanceStateValue() const {
+		return _instanceState.value();
+	}
 
 	[[nodiscard]] rpl::producer<LevelUpdate> levelUpdates() const {
 		return _levelUpdates.events();
@@ -169,6 +174,9 @@ public:
 	[[nodiscard]] rpl::producer<> allowedToSpeakNotifications() const {
 		return _allowedToSpeakNotifications.events();
 	}
+	[[nodiscard]] rpl::producer<> titleChanged() const {
+		return _titleChanged.events();
+	}
 	static constexpr auto kSpeakLevelThreshold = 0.2;
 
 	void setCurrentAudioDevice(bool input, const QString &deviceId);
@@ -304,6 +312,7 @@ private:
 	base::flat_map<uint32, Data::LastSpokeTimes> _lastSpoke;
 	rpl::event_stream<Group::RejoinEvent> _rejoinEvents;
 	rpl::event_stream<> _allowedToSpeakNotifications;
+	rpl::event_stream<> _titleChanged;
 	base::Timer _lastSpokeCheckTimer;
 	base::Timer _checkJoinedTimer;
 

Telegram/SourceFiles/calls/calls_group_panel.cpp

@@ -24,6 +24,7 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 #include "ui/layers/generic_box.h"
 #include "ui/text/text_utilities.h"
 #include "ui/toast/toast.h"
+#include "ui/toasts/common_toasts.h"
 #include "ui/special_buttons.h"
 #include "info/profile/info_profile_values.h" // Info::Profile::Value.
 #include "core/application.h"
@@ -284,6 +285,8 @@ Panel::Panel(not_null<GroupCall*> call)
 	initControls();
 	initLayout();
 	showAndActivate();
+	setupJoinAsChangedToasts();
+	setupTitleChangedToasts();
 
 	call->allowedToSpeakNotifications(
 	) | rpl::start_with_next([=] {
@@ -597,6 +600,46 @@ void Panel::initWithCall(GroupCall *call) {
 	}, _callLifetime);
 }
 
+void Panel::setupJoinAsChangedToasts() {
+	_call->rejoinEvents(
+	) | rpl::filter([](RejoinEvent event) {
+		return (event.wasJoinAs != event.nowJoinAs);
+	}) | rpl::map([=] {
+		return _call->stateValue() | rpl::filter([](State state) {
+			return (state == State::Joined);
+		}) | rpl::take(1);
+	}) | rpl::flatten_latest() | rpl::start_with_next([=] {
+		Ui::ShowMultilineToast({
+			.parentOverride = widget(),
+			.text = tr::lng_group_call_join_as_changed(
+				tr::now,
+				lt_name,
+				Ui::Text::Bold(_call->joinAs()->name),
+				Ui::Text::WithEntities),
+		});
+	}, widget()->lifetime());
+}
+
+void Panel::setupTitleChangedToasts() {
+	_call->titleChanged(
+	) | rpl::filter([=] {
+		return _peer->groupCall() && _peer->groupCall()->id() == _call->id();
+	}) | rpl::map([=] {
+		return _peer->groupCall()->title().isEmpty()
+			? _peer->name
+			: _peer->groupCall()->title();
+	}) | rpl::start_with_next([=](const QString &title) {
+		Ui::ShowMultilineToast({
+			.parentOverride = widget(),
+			.text = tr::lng_group_call_title_changed(
+				tr::now,
+				lt_title,
+				Ui::Text::Bold(title),
+				Ui::Text::WithEntities),
+		});
+	}, widget()->lifetime());
+}
+
 void Panel::subscribeToChanges(not_null<Data::GroupCall*> real) {
 	_titleText = real->titleValue();
 

Telegram/SourceFiles/calls/calls_group_panel.h

@@ -76,6 +76,8 @@ private:
 	void initWithCall(GroupCall *call);
 	void initLayout();
 	void initGeometry();
+	void setupJoinAsChangedToasts();
+	void setupTitleChangedToasts();
 
 	bool handleClose();
 

Telegram/SourceFiles/ui/toasts/common_toasts.cpp

@@ -13,14 +13,19 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 namespace Ui {
 
 void ShowMultilineToast(MultilineToastArgs &&args) {
-	Ui::Toast::Show(Ui::Toast::Config{
+	auto config = Ui::Toast::Config{
 		.text = std::move(args.text),
 		.st = &st::defaultMultilineToast,
 		.durationMs = (args.duration
 			? args.duration
 			: Ui::Toast::kDefaultDuration),
 		.multiline = true,
-	});
+	};
+	if (args.parentOverride) {
+		Ui::Toast::Show(args.parentOverride, std::move(config));
+	} else {
+		Ui::Toast::Show(std::move(config));
+	}
 }
 
 } // namespace Ui

Telegram/SourceFiles/ui/toasts/common_toasts.h

@@ -12,6 +12,7 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 namespace Ui {
 
 struct MultilineToastArgs {
+	QWidget *parentOverride = nullptr;
 	TextWithEntities text;
 	crl::time duration = 0;
 };