Start group call members list.

Telegram/CMakeLists.txt

@@ -266,6 +266,8 @@ PRIVATE
     calls/calls_call.h
     calls/calls_group_call.cpp
     calls/calls_group_call.h
+    calls/calls_group_members.cpp
+    calls/calls_group_members.h
     calls/calls_group_panel.cpp
     calls/calls_group_panel.h
     calls/calls_emoji_fingerprint.cpp

Telegram/SourceFiles/boxes/boxes.style

@@ -219,7 +219,6 @@ contactsPhotoCheckIcon: defaultPeerListCheckIcon;
 contactsPhotoCheck: defaultPeerListCheck;
 contactsPhotoCheckbox: defaultPeerListCheckbox;
 contactsPhotoDisabledCheckFg: menuIconFg;
-contactsNameCheckedFg: windowActiveTextFg;
 contactsRipple: defaultRippleAnimation;
 
 contactsMarginTop: 4px;

Telegram/SourceFiles/boxes/peer_list_box.cpp

@@ -1283,7 +1283,7 @@ crl::time PeerListContent::paintRow(
 			selected);
 	}
 	auto nameCheckedRatio = row->disabled() ? 0. : row->checkedRatio();
-	p.setPen(anim::pen(st::contactsNameFg, st::contactsNameCheckedFg, nameCheckedRatio));
+	p.setPen(anim::pen(_st.item.nameFg, _st.item.nameFgChecked, nameCheckedRatio));
 	name.drawLeftElided(p, namex, _st.item.namePosition.y(), namew, width());
 
 	if (!actionSize.isEmpty()) {

Telegram/SourceFiles/boxes/peers/edit_participants_box.h

@@ -135,7 +135,6 @@ private:
 // Viewing admins, banned or restricted users list with search.
 class ParticipantsBoxController
 	: public PeerListController
-	, private base::Subscriber
 	, public base::has_weak_ptr {
 public:
 	using Role = ParticipantsRole;

Telegram/SourceFiles/calls/calls.style

@@ -22,14 +22,14 @@ CallSignalBars {
 
 callRadius: 6px;
 callShadow: Shadow {
-	left: icon {{ "call_shadow_left", windowShadowFg }};
-	topLeft: icon {{ "call_shadow_top_left", windowShadowFg }};
-	top: icon {{ "call_shadow_top", windowShadowFg }};
-	topRight: icon {{ "call_shadow_top_left-flip_horizontal", windowShadowFg }};
-	right: icon {{ "call_shadow_left-flip_horizontal", windowShadowFg }};
-	bottomRight: icon {{ "call_shadow_top_left-flip_vertical-flip_horizontal", windowShadowFg }};
-	bottom: icon {{ "call_shadow_top-flip_vertical", windowShadowFg }};
-	bottomLeft: icon {{ "call_shadow_top_left-flip_vertical", windowShadowFg }};
+	left: icon {{ "calls/call_shadow_left", windowShadowFg }};
+	topLeft: icon {{ "calls/call_shadow_top_left", windowShadowFg }};
+	top: icon {{ "calls/call_shadow_top", windowShadowFg }};
+	topRight: icon {{ "calls/call_shadow_top_left-flip_horizontal", windowShadowFg }};
+	right: icon {{ "calls/call_shadow_left-flip_horizontal", windowShadowFg }};
+	bottomRight: icon {{ "calls/call_shadow_top_left-flip_vertical-flip_horizontal", windowShadowFg }};
+	bottom: icon {{ "calls/call_shadow_top-flip_vertical", windowShadowFg }};
+	bottomLeft: icon {{ "calls/call_shadow_top_left-flip_vertical", windowShadowFg }};
 	extend: margins(9px, 8px, 9px, 10px);
 	fallback: windowShadowFgFallback;
 }
@@ -72,7 +72,7 @@ callBodyWithPreview: CallBodyLayout {
 	muteSize: 0px;
 	mutePosition: point(90px, 84px);
 }
-callMutedPeerIcon: icon {{ "calls_mute_userpic", callIconFg }};
+callMutedPeerIcon: icon {{ "calls/calls_mute_userpic", callIconFg }};
 
 callOutgoingPreviewMin: size(360px, 120px);
 callOutgoingPreview: size(540px, 180px); // default, for height == callHeight.
@@ -89,7 +89,7 @@ callSignalBarsPadding: margins(8px, 9px, 11px, 5px);
 callFingerprintTop: 8px;
 callFingerprintBottom: -16px;
 
-callTooltipMutedIcon: icon{{ "calls_mute_tooltip", videoPlayIconFg }};
+callTooltipMutedIcon: icon{{ "calls/calls_mute_tooltip", videoPlayIconFg }};
 callTooltipMutedIconPosition: point(10px, 5px);
 callTooltipPadding: margins(41px, 7px, 15px, 8px);
 
@@ -114,7 +114,7 @@ callButtonLabel: FlatLabel(defaultFlatLabel) {
 
 callAnswer: CallButton {
 	button: IconButton(callButton) {
-		icon: icon {{ "call_answer", callIconFg }};
+		icon: icon {{ "calls/call_answer", callIconFg }};
 		ripple: RippleAnimation(defaultRippleAnimation) {
 			color: callAnswerRipple;
 		}
@@ -127,7 +127,7 @@ callAnswer: CallButton {
 }
 callHangup: CallButton {
 	button: IconButton(callButton) {
-		icon: icon {{ "call_discard", callIconFg }};
+		icon: icon {{ "calls/call_discard", callIconFg }};
 		ripple: RippleAnimation(defaultRippleAnimation) {
 			color: callHangupRipple;
 		}
@@ -138,7 +138,7 @@ callHangup: CallButton {
 }
 callCancel: CallButton {
 	button: IconButton(callButton) {
-		icon: icon {{ "call_cancel", callIconFgActive }};
+		icon: icon {{ "calls/call_cancel", callIconFgActive }};
 		ripple: RippleAnimation(defaultRippleAnimation) {
 			color: callIconActiveRipple;
 		}
@@ -149,7 +149,7 @@ callCancel: CallButton {
 }
 callMicrophoneMute: CallButton {
 	button: IconButton(callButton) {
-		icon: icon {{ "call_record_active", callIconFg }};
+		icon: icon {{ "calls/call_record_active", callIconFg }};
 		ripple: RippleAnimation(defaultRippleAnimation) {
 			color: callMuteRipple;
 		}
@@ -160,7 +160,7 @@ callMicrophoneMute: CallButton {
 }
 callMicrophoneUnmute: CallButton(callMicrophoneMute) {
 	button: IconButton(callButton) {
-		icon: icon {{ "call_record_muted", callIconFgActive }};
+		icon: icon {{ "calls/call_record_muted", callIconFgActive }};
 		ripple: RippleAnimation(defaultRippleAnimation) {
 			color: callIconActiveRipple;
 		}
@@ -169,7 +169,7 @@ callMicrophoneUnmute: CallButton(callMicrophoneMute) {
 }
 callCameraMute: CallButton(callMicrophoneMute) {
 	button: IconButton(callButton) {
-		icon: icon {{ "call_camera_active", callIconFg }};
+		icon: icon {{ "calls/call_camera_active", callIconFg }};
 		ripple: RippleAnimation(defaultRippleAnimation) {
 			color: callMuteRipple;
 		}
@@ -177,7 +177,7 @@ callCameraMute: CallButton(callMicrophoneMute) {
 }
 callCameraUnmute: CallButton(callMicrophoneUnmute) {
 	button: IconButton(callButton) {
-		icon: icon {{ "call_camera_muted", callIconFgActive }};
+		icon: icon {{ "calls/call_camera_muted", callIconFgActive }};
 		ripple: RippleAnimation(defaultRippleAnimation) {
 			color: callIconActiveRipple;
 		}
@@ -223,7 +223,7 @@ callBarMuteToggle: IconButton {
 	width: 41px;
 	height: 38px;
 
-	icon: icon {{ "call_record_active", callBarFg }};
+	icon: icon {{ "calls/call_record_active", callBarFg }};
 	iconPosition: point(3px, 2px);
 
 	ripple: RippleAnimation(defaultRippleAnimation) {
@@ -232,11 +232,11 @@ callBarMuteToggle: IconButton {
 	rippleAreaPosition: point(5px, 3px);
 	rippleAreaSize: 32px;
 }
-callBarUnmuteIcon: icon {{ "call_record_muted", callBarFg }};
+callBarUnmuteIcon: icon {{ "calls/call_record_muted", callBarFg }};
 callBarRightSkip: 12px;
 callBarSkip: 10px;
 callBarHangup: IconButton(callBarMuteToggle) {
-	icon: icon {{ "call_discard", callBarFg }};
+	icon: icon {{ "calls/call_discard", callBarFg }};
 	iconPosition: point(3px, 1px);
 }
 callBarLabel: LabelSimple(defaultLabelSimple) {
@@ -254,16 +254,16 @@ callBarInfoLabel: FlatLabel(defaultFlatLabel) {
 callBarLabelTop: 10px;
 
 callArrowPosition: point(-2px, 1px);
-callArrowIn: icon {{ "call_arrow_in", callArrowFg }};
-callArrowOut: icon {{ "call_arrow_out", callArrowFg }};
-callArrowMissed: icon {{ "call_arrow_in", callArrowMissedFg }};
+callArrowIn: icon {{ "calls/call_arrow_in", callArrowFg }};
+callArrowOut: icon {{ "calls/call_arrow_out", callArrowFg }};
+callArrowMissed: icon {{ "calls/call_arrow_in", callArrowMissedFg }};
 callArrowSkip: 4px;
 callReDial: IconButton {
 	width: 40px;
 	height: 56px;
 
-	icon: icon {{ "call_answer", menuIconFg }};
-	iconOver: icon {{ "call_answer", menuIconFgOver }};
+	icon: icon {{ "calls/call_answer", menuIconFg }};
+	iconOver: icon {{ "calls/call_answer", menuIconFgOver }};
 	iconPosition: point(-1px, -1px);
 
 	ripple: defaultRippleAnimation;
@@ -272,8 +272,8 @@ callReDial: IconButton {
 }
 
 callCameraReDial: IconButton(callReDial) {
-	icon: icon {{ "call_camera_active", menuIconFg }};
-	iconOver: icon {{ "call_camera_active", menuIconFgOver }};
+	icon: icon {{ "calls/call_camera_active", menuIconFg }};
+	iconOver: icon {{ "calls/call_camera_active", menuIconFgOver }};
 }
 
 callRatingPadding: margins(24px, 12px, 24px, 0px);
@@ -281,7 +281,7 @@ callRatingStar: IconButton {
 	width: 36px;
 	height: 36px;
 
-	icon: icon {{ "call_rating", windowSubTextFg }};
+	icon: icon {{ "calls/call_rating", windowSubTextFg }};
 	iconPosition: point(-1px, -1px);
 
 	ripple: RippleAnimation(defaultRippleAnimation) {
@@ -290,7 +290,7 @@ callRatingStar: IconButton {
 	rippleAreaPosition: point(0px, 0px);
 	rippleAreaSize: 36px;
 }
-callRatingStarFilled: icon {{ "call_rating_filled", lightButtonFg }};
+callRatingStarFilled: icon {{ "calls/call_rating_filled", lightButtonFg }};
 callRatingStarTop: 4px;
 callRatingComment: InputField(defaultInputField) {
 	textMargins: margins(1px, 26px, 1px, 4px);
@@ -327,43 +327,43 @@ callTitleButton: IconButton {
 	iconPosition: point(0px, 0px);
 }
 callTitleMinimizeIcon: icon {
-	{ "calls_minimize_shadow", windowShadowFg },
-	{ "calls_minimize_main", callNameFg },
+	{ "calls/calls_minimize_shadow", windowShadowFg },
+	{ "calls/calls_minimize_main", callNameFg },
 };
 callTitleMinimizeIconOver: icon {
 	{ size(34px, 30px), callBgButton },
 	{ size(34px, 30px), callMuteRipple },
-	{ "calls_minimize_shadow", windowShadowFg },
-	{ "calls_minimize_main", callNameFg },
+	{ "calls/calls_minimize_shadow", windowShadowFg },
+	{ "calls/calls_minimize_main", callNameFg },
 };
 callTitleMaximizeIcon: icon {
-	{ "calls_maximize_shadow", windowShadowFg },
-	{ "calls_maximize_main", callNameFg },
+	{ "calls/calls_maximize_shadow", windowShadowFg },
+	{ "calls/calls_maximize_main", callNameFg },
 };
 callTitleMaximizeIconOver: icon {
 	{ size(34px, 30px), callBgButton },
 	{ size(34px, 30px), callMuteRipple },
-	{ "calls_maximize_shadow", windowShadowFg },
-	{ "calls_maximize_main", callNameFg },
+	{ "calls/calls_maximize_shadow", windowShadowFg },
+	{ "calls/calls_maximize_main", callNameFg },
 };
 callTitleRestoreIcon: icon {
-	{ "calls_restore_shadow", windowShadowFg },
-	{ "calls_restore_main", callNameFg },
+	{ "calls/calls_restore_shadow", windowShadowFg },
+	{ "calls/calls_restore_main", callNameFg },
 };
 callTitleRestoreIconOver: icon {
 	{ size(34px, 30px), callBgButton },
 	{ size(34px, 30px), callMuteRipple },
-	{ "calls_restore_shadow", windowShadowFg },
-	{ "calls_restore_main", callNameFg },
+	{ "calls/calls_restore_shadow", windowShadowFg },
+	{ "calls/calls_restore_main", callNameFg },
 };
 callTitleCloseIcon: icon {
-	{ "calls_close_shadow", windowShadowFg },
-	{ "calls_close_main", callNameFg },
+	{ "calls/calls_close_shadow", windowShadowFg },
+	{ "calls/calls_close_main", callNameFg },
 };
 callTitleCloseIconOver: icon {
 	{ size(34px, 30px), titleButtonCloseBgOver },
-	{ "calls_close_shadow", windowShadowFg },
-	{ "calls_close_main", titleButtonCloseFgOver },
+	{ "calls/calls_close_shadow", windowShadowFg },
+	{ "calls/calls_close_main", titleButtonCloseFgOver },
 };
 callTitle: WindowTitle(defaultWindowTitle) {
 	height: 0px;
@@ -394,7 +394,7 @@ callTitle: WindowTitle(defaultWindowTitle) {
 	closeIconActive: callTitleCloseIcon;
 	closeIconActiveOver: callTitleCloseIconOver;
 }
-callTitleShadow: icon {{ "calls_shadow_controls", windowShadowFg }};
+callTitleShadow: icon {{ "calls/calls_shadow_controls", windowShadowFg }};
 
 callErrorToast: Toast(defaultToast) {
 	minWidth: 240px;
@@ -402,3 +402,78 @@ callErrorToast: Toast(defaultToast) {
 
 groupCallWidth: 380px;
 groupCallHeight: 580px;
+
+groupCallRipple: RippleAnimation(defaultRippleAnimation) {
+	color: groupCallMembersRipple;
+}
+groupCallMembersList: PeerList(defaultPeerList) {
+	item: PeerListItem(defaultPeerListItem) {
+		button: OutlineButton(defaultPeerListButton) {
+			textBg: groupCallMembersBg;
+			textBgOver: groupCallMembersBg;
+
+			textFg: groupCallMemberInactiveStatus;
+			textFgOver: groupCallMemberInactiveStatus;
+
+			font: normalFont;
+			padding: margins(11px, 5px, 11px, 5px);
+
+			ripple: groupCallRipple;
+		}
+		height: 52px;
+		photoPosition: point(12px, 6px);
+		namePosition: point(68px, 7px);
+		statusPosition: point(68px, 27px);
+		photoSize: 40px;
+		nameFg: groupCallMembersFg;
+		nameFgChecked: groupCallMembersFg;
+		statusFg: groupCallMemberInactiveStatus;
+		statusFgOver: groupCallMemberInactiveStatus;
+		statusFgActive: groupCallMemberActiveStatus;
+	}
+}
+groupCallMembersHeader: 47px;
+groupCallMembersMargin: margins(16px, 16px, 16px, 28px);
+groupCallAddMember: IconButton(defaultIconButton) {
+	width: 36px;
+	height: 36px;
+	iconPosition: point(3px, 5px);
+	icon: icon {{ "info_add_member", groupCallMemberInactiveIcon }};
+	iconOver: icon {{ "info_add_member", groupCallMemberInactiveIcon }};
+	rippleAreaPosition: point(0px, 0px);
+	rippleAreaSize: 36px;
+	ripple: groupCallRipple;
+}
+groupCallHeaderPosition: point(16px, 16px);
+groupCallHeaderLabel: FlatLabel(defaultFlatLabel) {
+	maxHeight: 18px;
+	textFg: groupCallMembersFg;
+	style: TextStyle(defaultTextStyle) {
+		font: semiboldFont;
+		linkFont: semiboldFont;
+		linkFontOver: semiboldFont;
+	}
+}
+groupCallAddButtonPosition: point(10px, 7px);
+
+groupCallInactiveButton: IconButton {
+	width: 36px;
+	height: 52px;
+
+	icon: icon {{ "calls/group_calls_muted", groupCallMemberInactiveIcon }};
+	iconOver: icon {{ "calls/group_calls_muted", groupCallMemberInactiveIcon }};
+	iconPosition: point(-1px, -1px);
+
+	ripple: groupCallRipple;
+	rippleAreaPosition: point(0px, 8px);
+	rippleAreaSize: 36px;
+}
+groupCallActiveButton: IconButton(groupCallInactiveButton) {
+	icon: icon {{ "calls/group_calls_unmuted", groupCallMemberActiveIcon }};
+	iconOver: icon {{ "calls/group_calls_unmuted", groupCallMemberActiveIcon }};
+}
+groupCallMutedButton: IconButton(groupCallInactiveButton) {
+	icon: icon {{ "calls/group_calls_muted", groupCallMemberMutedIcon }};
+	iconOver: icon {{ "calls/group_calls_muted", groupCallMemberMutedIcon }};
+}
+groupCallMemberButtonSkip: 10px;

Telegram/SourceFiles/calls/calls_group_members.cpp

@@ -0,0 +1,528 @@
+/*
+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 "calls/calls_group_members.h"
+
+#include "calls/calls_group_call.h"
+#include "data/data_channel.h"
+#include "data/data_user.h"
+#include "data/data_changes.h"
+#include "data/data_group_call.h"
+#include "ui/widgets/buttons.h"
+#include "ui/widgets/scroll_area.h"
+#include "ui/widgets/popup_menu.h"
+#include "ui/text/text_utilities.h"
+#include "ui/effects/ripple_animation.h"
+#include "main/main_session.h"
+#include "lang/lang_keys.h"
+#include "styles/style_calls.h"
+
+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);
+
+	enum class State {
+		Active,
+		Inactive,
+		Muted,
+	};
+
+	void addActionRipple(QPoint point, Fn<void()> updateCallback) override;
+	void stopLastActionRipple() override;
+
+	int nameIconWidth() const override {
+		return 0;
+	}
+	QSize actionSize() const override {
+		return QSize(_st->width, _st->height);
+	}
+	QMargins actionMargins() const override {
+		return QMargins(
+			0,
+			0,
+			st::groupCallMemberButtonSkip,
+			0);
+	}
+	void paintAction(
+		Painter &p,
+		int x,
+		int y,
+		int outerWidth,
+		bool selected,
+		bool actionSelected) override;
+
+private:
+	void refreshStatus() override;
+
+	[[nodiscard]] static State ComputeState(
+		not_null<ChannelData*> channel,
+		not_null<UserData*> user);
+	[[nodiscard]] static not_null<const style::IconButton*> ComputeIconStyle(
+		State state);
+
+	State _state = State::Inactive;
+	not_null<const style::IconButton*> _st;
+
+	std::unique_ptr<Ui::RippleAnimation> _actionRipple;
+
+};
+
+Row::Row(not_null<ChannelData*> channel, not_null<UserData*> user)
+: PeerListRow(user)
+, _state(ComputeState(channel, user))
+, _st(ComputeIconStyle(_state)) {
+	refreshStatus();
+}
+
+void Row::paintAction(
+		Painter &p,
+		int x,
+		int y,
+		int outerWidth,
+		bool selected,
+		bool actionSelected) {
+	auto size = actionSize();
+	if (_actionRipple) {
+		_actionRipple->paint(
+			p,
+			x + _st->rippleAreaPosition.x(),
+			y + _st->rippleAreaPosition.y(),
+			outerWidth);
+		if (_actionRipple->empty()) {
+			_actionRipple.reset();
+		}
+	}
+	_st->icon.paintInCenter(
+		p,
+		style::rtlrect(x, y, size.width(), size.height(), outerWidth));
+}
+
+void Row::refreshStatus() {
+	setCustomStatus([&] {
+		switch (_state) {
+		case State::Inactive:
+		case State::Muted: return "listening";
+		case State::Active: return "speaking";
+		}
+		return "";
+	}());
+}
+
+Row::State Row::ComputeState(
+		not_null<ChannelData*> channel,
+		not_null<UserData*> user) {
+	const auto call = channel->call();
+	if (!call) {
+		return State::Inactive;
+	}
+	const auto &participants = call->participants();
+	const auto i = ranges::find(
+		participants,
+		user,
+		&Data::GroupCall::Participant::user);
+	if (i == end(participants)) {
+		return State::Inactive;
+	}
+	return !i->muted
+		? State::Active
+		: i->canSelfUnmute
+		? State::Inactive
+		: State::Muted;
+}
+
+not_null<const style::IconButton*> Row::ComputeIconStyle(
+		State state) {
+	switch (state) {
+	case State::Inactive: return &st::groupCallInactiveButton;
+	case State::Active: return &st::groupCallActiveButton;
+	case State::Muted: return &st::groupCallMutedButton;
+	}
+	Unexpected("State in Row::ComputeIconStyle.");
+}
+
+void Row::addActionRipple(QPoint point, Fn<void()> updateCallback) {
+	if (!_actionRipple) {
+		auto mask = Ui::RippleAnimation::ellipseMask(
+			QSize(_st->rippleAreaSize, _st->rippleAreaSize));
+		_actionRipple = std::make_unique<Ui::RippleAnimation>(
+			_st->ripple,
+			std::move(mask),
+			std::move(updateCallback));
+	}
+	_actionRipple->add(point - _st->rippleAreaPosition);
+}
+
+void Row::stopLastActionRipple() {
+	if (_actionRipple) {
+		_actionRipple->lastStop();
+	}
+}
+
+MembersController::MembersController(not_null<GroupCall*> call)
+: _call(call)
+, _channel(call->channel()) {
+	setupListChangeViewers();
+}
+
+void MembersController::setupListChangeViewers() {
+	const auto call = _call.get();
+	const auto channel = call->channel();
+	channel->session().changes().peerUpdates(
+		channel,
+		Data::PeerUpdate::Flag::GroupCall
+	) | rpl::start_with_next([=] {
+		prepareRows();
+	}, _lifetime);
+}
+
+Main::Session &MembersController::session() const {
+	return _call->channel()->session();
+}
+
+void MembersController::prepare() {
+	delegate()->peerListSetSearchMode(PeerListSearchMode::Disabled);
+	//delegate()->peerListSetTitle(std::move(title));
+	setDescriptionText(tr::lng_contacts_loading(tr::now));
+	setSearchNoResultsText(tr::lng_blocked_list_not_found(tr::now));
+
+	prepareRows();
+	delegate()->peerListRefreshRows();
+
+	loadMoreRows();
+}
+
+void MembersController::prepareRows() {
+	const auto real = _channel->call();
+	if (!real) {
+		return;
+	}
+	auto foundSelf = false;
+	auto changed = false;
+	const auto &participants = real->participants();
+	auto count = delegate()->peerListFullRowsCount();
+	for (auto i = 0; i != count;) {
+		auto row = delegate()->peerListRowAt(i);
+		auto user = row->peer()->asUser();
+		if (user->isSelf()) {
+			foundSelf = true;
+		}
+		const auto contains = ranges::contains(
+			participants,
+			not_null{ user },
+			&Data::GroupCall::Participant::user);
+		if (contains) {
+			++i;
+		} else {
+			changed = true;
+			delegate()->peerListRemoveRow(row);
+			--count;
+		}
+	}
+	if (!foundSelf) {
+		if (auto row = createRow(_channel->session().user())) {
+			changed = true;
+			delegate()->peerListAppendRow(std::move(row));
+		}
+	}
+	for (const auto &participant : participants) {
+		if (auto row = createRow(participant.user)) {
+			changed = true;
+			delegate()->peerListAppendRow(std::move(row));
+		}
+	}
+	if (changed) {
+		delegate()->peerListRefreshRows();
+	}
+}
+
+void MembersController::loadMoreRows() {
+	if (const auto call = _call.get()) {
+		if (const auto real = call->channel()->call()) {
+			real->requestParticipants();
+		}
+	}
+}
+
+void MembersController::rowClicked(not_null<PeerListRow*> row) {
+	Expects(row->peer()->isUser());
+
+	const auto user = row->peer()->asUser();
+}
+
+void MembersController::rowActionClicked(
+		not_null<PeerListRow*> row) {
+	Expects(row->peer()->isUser());
+
+	const auto user = row->peer()->asUser();
+}
+
+base::unique_qptr<Ui::PopupMenu> MembersController::rowContextMenu(
+		QWidget *parent,
+		not_null<PeerListRow*> row) {
+	Expects(row->peer()->isUser());
+
+	const auto user = row->peer()->asUser();
+	auto result = base::make_unique_q<Ui::PopupMenu>(parent);
+	//result->addAction( // #TODO calls
+	//	tr::lng_context_view_profile(tr::now),
+	//	crl::guard(this, [=] { _navigation->showPeerInfo(user); }));
+	return result;
+}
+
+bool MembersController::appendRow(not_null<UserData*> user) {
+	if (delegate()->peerListFindRow(user->id)) {
+		return false;
+	}
+	delegate()->peerListAppendRow(createRow(user));
+	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 {
+	return std::make_unique<Row>(_channel, user);
+}
+
+} // namespace
+
+GroupMembers::GroupMembers(
+	QWidget *parent,
+	not_null<GroupCall*> call)
+: RpWidget(parent)
+, _call(call)
+, _scroll(this, st::defaultSolidScroll)
+, _listController(std::make_unique<MembersController>(call)) {
+	setupHeader(call);
+	setupList();
+	setContent(_list);
+	_listController->setDelegate(static_cast<PeerListDelegate*>(this));
+
+	paintRequest(
+	) | rpl::start_with_next([=](QRect clip) {
+		QPainter(this).fillRect(clip, st::groupCallMembersBg);
+	}, lifetime());
+}
+
+int GroupMembers::desiredHeight() const {
+	auto desired = _header ? _header->height() : 0;
+	auto count = [this] {
+		if (const auto call = _call.get()) {
+			if (const auto real = call->channel()->call()) {
+				return real->fullCount();
+			}
+		}
+		return 0;
+	}();
+	desired += qMax(count, _list->fullRowsCount())
+		* st::groupCallMembersList.item.height;
+	return qMax(height(), desired);
+}
+
+void GroupMembers::setupHeader(not_null<GroupCall*> call) {
+	_header = object_ptr<Ui::FixedHeightWidget>(
+		this,
+		st::groupCallMembersHeader);
+	auto parent = _header.data();
+
+	_titleWrap = Ui::CreateChild<Ui::RpWidget>(parent);
+	_title = setupTitle(call);
+	_addMember = Ui::CreateChild<Ui::IconButton>(
+		parent,
+		st::groupCallAddMember);
+	setupButtons();
+
+	widthValue(
+	) | rpl::start_with_next([this](int width) {
+		_header->resizeToWidth(width);
+	}, _header->lifetime());
+}
+
+object_ptr<Ui::FlatLabel> GroupMembers::setupTitle(
+		not_null<GroupCall*> call) {
+	const auto channel = call->channel();
+	auto count = channel->session().changes().peerFlagsValue(
+		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(),
+			Ui::Text::Upper
+		),
+		st::groupCallHeaderLabel);
+	result->setAttribute(Qt::WA_TransparentForMouseEvents);
+	return result;
+}
+
+void GroupMembers::setupButtons() {
+	using namespace rpl::mappers;
+
+	_addMember->showOn(rpl::single(true));
+	_addMember->addClickHandler([=] { // TODO throttle(ripple duration)
+		addMember();
+	});
+}
+
+void GroupMembers::setupList() {
+	auto topSkip = _header ? _header->height() : 0;
+	_list = _scroll->setOwnedWidget(object_ptr<ListWidget>(
+		this,
+		_listController.get(),
+		st::groupCallMembersList));
+
+	sizeValue(
+	) | rpl::start_with_next([=](QSize size) {
+		_scroll->setGeometry(0, topSkip, size.width(), size.height() - topSkip);
+		_list->resizeToWidth(size.width());
+	}, _list->lifetime());
+
+	_list->heightValue(
+	) | rpl::start_with_next([=](int listHeight) {
+		auto newHeight = (listHeight > 0)
+			? (topSkip + listHeight)
+			: 0;
+		resize(width(), newHeight);
+	}, _list->lifetime());
+	_list->moveToLeft(0, topSkip);
+	_list->show();
+}
+
+void GroupMembers::resizeEvent(QResizeEvent *e) {
+	if (_header) {
+		updateHeaderControlsGeometry(width());
+	}
+}
+
+void GroupMembers::updateHeaderControlsGeometry(int newWidth) {
+	auto availableWidth = newWidth
+		- st::groupCallAddButtonPosition.x();
+	_addMember->moveToLeft(
+		availableWidth - _addMember->width(),
+		st::groupCallAddButtonPosition.y(),
+		newWidth);
+	if (!_addMember->isHidden()) {
+		availableWidth -= _addMember->width();
+	}
+
+	_titleWrap->resize(
+		availableWidth - _addMember->width() - st::groupCallHeaderPosition.x(),
+		_title->height());
+	_titleWrap->moveToLeft(
+		st::groupCallHeaderPosition.x(),
+		st::groupCallHeaderPosition.y(),
+		newWidth);
+	_titleWrap->setAttribute(Qt::WA_TransparentForMouseEvents);
+
+	_title->resizeToWidth(_titleWrap->width());
+	_title->moveToLeft(0, 0);
+}
+
+void GroupMembers::addMember() {
+	// #TODO calls
+}
+
+void GroupMembers::visibleTopBottomUpdated(
+		int visibleTop,
+		int visibleBottom) {
+	setChildVisibleTopBottom(_list, visibleTop, visibleBottom);
+}
+
+void GroupMembers::peerListSetTitle(rpl::producer<QString> title) {
+}
+
+void GroupMembers::peerListSetAdditionalTitle(rpl::producer<QString> title) {
+}
+
+bool GroupMembers::peerListIsRowChecked(not_null<PeerListRow*> row) {
+	return false;
+}
+
+void GroupMembers::peerListScrollToTop() {
+}
+
+int GroupMembers::peerListSelectedRowsCount() {
+	return 0;
+}
+
+std::vector<not_null<PeerData*>> GroupMembers::peerListCollectSelectedRows() {
+	return {};
+}
+
+void GroupMembers::peerListAddSelectedPeerInBunch(not_null<PeerData*> peer) {
+	Unexpected("Item selection in Info::Profile::Members.");
+}
+
+void GroupMembers::peerListAddSelectedRowInBunch(not_null<PeerListRow*> row) {
+	Unexpected("Item selection in Info::Profile::Members.");
+}
+
+void GroupMembers::peerListFinishSelectedRowsBunch() {
+}
+
+void GroupMembers::peerListSetDescription(
+		object_ptr<Ui::FlatLabel> description) {
+	description.destroy();
+}
+
+} // namespace Calls

Telegram/SourceFiles/calls/calls_group_members.h

@@ -0,0 +1,76 @@
+/*
+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
+*/
+#pragma once
+
+#include "boxes/peer_list_box.h"
+
+namespace Ui {
+class ScrollArea;
+} // namespace Ui
+
+namespace Calls {
+
+class GroupCall;
+
+class GroupMembers final
+	: public Ui::RpWidget
+	, private PeerListContentDelegate {
+public:
+	GroupMembers(
+		QWidget *parent,
+		not_null<GroupCall*> call);
+
+	int desiredHeight() const;
+
+private:
+	using ListWidget = PeerListContent;
+
+	void visibleTopBottomUpdated(
+		int visibleTop,
+		int visibleBottom) override;
+
+	void resizeEvent(QResizeEvent *e) override;
+
+	// PeerListContentDelegate interface.
+	void peerListSetTitle(rpl::producer<QString> title) override;
+	void peerListSetAdditionalTitle(rpl::producer<QString> title) override;
+	bool peerListIsRowChecked(not_null<PeerListRow*> row) override;
+	int peerListSelectedRowsCount() override;
+	void peerListScrollToTop() override;
+	std::vector<not_null<PeerData*>> peerListCollectSelectedRows() override;
+	void peerListAddSelectedPeerInBunch(
+		not_null<PeerData*> peer) override;
+	void peerListAddSelectedRowInBunch(
+		not_null<PeerListRow*> row) override;
+	void peerListFinishSelectedRowsBunch() override;
+	void peerListSetDescription(
+		object_ptr<Ui::FlatLabel> description) override;
+
+	void setupHeader(not_null<GroupCall*> call);
+	object_ptr<Ui::FlatLabel> setupTitle(not_null<GroupCall*> call);
+	void setupList();
+
+	void setupButtons();
+
+	void addMember();
+	void showMembersWithSearch(bool withSearch);
+	void updateHeaderControlsGeometry(int newWidth);
+
+	base::weak_ptr<GroupCall> _call;
+	object_ptr<Ui::ScrollArea> _scroll;
+	std::unique_ptr<PeerListController> _listController;
+	object_ptr<Ui::RpWidget> _header = { nullptr };
+	ListWidget *_list = { nullptr };
+
+	Ui::RpWidget *_titleWrap = nullptr;
+	Ui::FlatLabel *_title = nullptr;
+	Ui::IconButton *_addMember = nullptr;
+
+};
+
+} // namespace Calls

Telegram/SourceFiles/calls/calls_group_panel.cpp

@@ -7,42 +7,15 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 */
 #include "calls/calls_group_panel.h"
 
-#include "data/data_photo.h"
-#include "data/data_session.h"
-#include "data/data_user.h"
-#include "data/data_file_origin.h"
-#include "data/data_photo_media.h"
-#include "data/data_cloud_file.h"
-#include "data/data_changes.h"
-#include "calls/calls_emoji_fingerprint.h"
-#include "calls/calls_signal_bars.h"
-#include "calls/calls_userpic.h"
-#include "calls/calls_video_bubble.h"
+#include "calls/calls_group_members.h"
 #include "ui/widgets/buttons.h"
-#include "ui/widgets/labels.h"
-#include "ui/widgets/shadow.h"
 #include "ui/widgets/window.h"
 #include "ui/effects/ripple_animation.h"
-#include "ui/image/image.h"
-#include "ui/text/format_values.h"
-#include "ui/wrap/fade_wrap.h"
-#include "ui/wrap/padding_wrap.h"
-#include "ui/platform/ui_platform_utility.h"
-#include "ui/toast/toast.h"
-#include "ui/empty_userpic.h"
-#include "ui/emoji_config.h"
 #include "core/application.h"
-#include "mainwindow.h"
 #include "lang/lang_keys.h"
-#include "main/main_session.h"
-#include "apiwrap.h"
-#include "platform/platform_specific.h"
-#include "base/platform/base_platform_info.h"
-#include "window/main_window.h"
+#include "base/event_filter.h"
 #include "app.h"
-#include "webrtc/webrtc_video_track.h"
 #include "styles/style_calls.h"
-#include "styles/style_chat.h"
 
 #ifdef Q_OS_WIN
 #include "ui/platform/win/ui_window_title_win.h"
@@ -246,9 +219,9 @@ GroupPanel::GroupPanel(not_null<GroupCall*> call)
 #ifdef Q_OS_WIN
 , _controls(std::make_unique<Ui::Platform::TitleControls>(
 	_window.get(),
-	st::callTitle,
-	[=](bool maximized) { toggleFullScreen(maximized); }))
+	st::callTitle))
 #endif // Q_OS_WIN
+, _members(widget(), call)
 , _settings(widget(), st::callCancel)
 , _hangup(widget(), st::callHangup)
 , _mute(widget(), st::callMicrophoneMute, &st::callMicrophoneUnmute) {
@@ -262,6 +235,9 @@ GroupPanel::GroupPanel(not_null<GroupCall*> call)
 GroupPanel::~GroupPanel() = default;
 
 void GroupPanel::showAndActivate() {
+	if (_window->isHidden()) {
+		_window->show();
+	}
 	_window->raise();
 	_window->setWindowState(_window->windowState() | Qt::WindowActive);
 	_window->activateWindow();
@@ -276,17 +252,13 @@ void GroupPanel::initWindow() {
 	_window->setTitle(u" "_q);
 	_window->setTitleStyle(st::callTitle);
 
-	_window->events(
-	) | rpl::start_with_next([=](not_null<QEvent*> e) {
-		if (e->type() == QEvent::Close) {
-			handleClose();
-		} else if (e->type() == QEvent::KeyPress) {
-			if ((static_cast<QKeyEvent*>(e.get())->key() == Qt::Key_Escape)
-				&& _window->isFullScreen()) {
-				_window->showNormal();
-			}
+	base::install_event_filter(_window.get(), [=](not_null<QEvent*> e) {
+		if (e->type() == QEvent::Close && handleClose()) {
+			e->ignore();
+			return base::EventFilterResult::Cancel;
 		}
-	}, _window->lifetime());
+		return base::EventFilterResult::Continue;
+	});
 
 	_window->setBodyTitleArea([=](QPoint widgetPoint) {
 		using Flag = Ui::WindowTitleHitTestFlag;
@@ -301,31 +273,8 @@ void GroupPanel::initWindow() {
 		const auto inControls = false;
 		return inControls
 			? Flag::None
-			: (Flag::Move | Flag::FullScreen);
+			: (Flag::Move | Flag::Maximize);
 	});
-
-#ifdef Q_OS_WIN
-	// On Windows we replace snap-to-top maximizing with fullscreen.
-	//
-	// We have to switch first to showNormal, so that showFullScreen
-	// will remember correct normal window geometry and next showNormal
-	// will show it instead of a moving maximized window.
-	//
-	// We have to do it in InvokeQueued, otherwise it still captures
-	// the maximized window geometry and saves it.
-	//
-	// I couldn't find a less glitchy way to do that *sigh*.
-	const auto object = _window->windowHandle();
-	const auto signal = &QWindow::windowStateChanged;
-	QObject::connect(object, signal, [=](Qt::WindowState state) {
-		if (state == Qt::WindowMaximized) {
-			InvokeQueued(object, [=] {
-				_window->showNormal();
-				_window->showFullScreen();
-			});
-		}
-	});
-#endif // Q_OS_WIN
 }
 
 void GroupPanel::initWidget() {
@@ -382,6 +331,11 @@ void GroupPanel::initWithCall(GroupCall *call) {
 	) | rpl::start_with_next([=](State state) {
 		stateChanged(state);
 	}, _callLifetime);
+
+	_members->desiredHeightValue(
+	) | rpl::start_with_next([=] {
+		updateControlsGeometry();
+	}, _members->lifetime());
 }
 
 void GroupPanel::initLayout() {
@@ -412,22 +366,33 @@ void GroupPanel::initGeometry() {
 	updateControlsGeometry();
 }
 
-void GroupPanel::toggleFullScreen(bool fullscreen) {
-	if (fullscreen) {
-		_window->showFullScreen();
-	} else {
-		_window->showNormal();
-	}
-}
-
 void GroupPanel::updateControlsGeometry() {
 	if (widget()->size().isEmpty()) {
 		return;
 	}
-	const auto top = widget()->height() - 2 * _mute->height();
-	_mute->move((widget()->width() - _mute->width()) / 2, top);
-	_settings->moveToLeft(_settings->width(), top);
-	_hangup->moveToRight(_settings->width(), top);
+	const auto desiredHeight = _members->desiredHeight();
+	const auto membersWidth = widget()->width()
+		- st::groupCallMembersMargin.left()
+		- st::groupCallMembersMargin.right();
+	const auto muteTop = widget()->height() - 2 * _mute->height();
+	const auto buttonsTop = muteTop;
+#ifdef Q_OS_WIN
+	const auto membersTop = st::callTitleButton.height
+		+ st::groupCallMembersMargin.top() / 2;
+#else // Q_OS_WIN
+	const auto membersTop = st::groupCallMembersMargin.top();
+#endif // Q_OS_WIN
+	const auto availableHeight = buttonsTop
+		- membersTop
+		- st::groupCallMembersMargin.bottom();
+	_members->setGeometry(
+		st::groupCallMembersMargin.left(),
+		membersTop,
+		membersWidth,
+		std::min(desiredHeight, availableHeight));
+	_mute->move((widget()->width() - _mute->width()) / 2, muteTop);
+	_settings->moveToLeft(_settings->width(), buttonsTop);
+	_hangup->moveToRight(_settings->width(), buttonsTop);
 }
 
 void GroupPanel::paint(QRect clip) {
@@ -435,14 +400,16 @@ void GroupPanel::paint(QRect clip) {
 
 	auto region = QRegion(clip);
 	for (const auto rect : region) {
-		p.fillRect(rect, st::callBgOpaque);
+		p.fillRect(rect, st::groupCallBg);
 	}
 }
 
-void GroupPanel::handleClose() {
+bool GroupPanel::handleClose() {
 	if (_call) {
-		_call->hangup();
+		_window->hide();
+		return true;
 	}
+	return false;
 }
 
 not_null<Ui::RpWidget*> GroupPanel::widget() const {

Telegram/SourceFiles/calls/calls_group_panel.h

@@ -29,6 +29,7 @@ class FadeWrap;
 template <typename Widget>
 class PaddingWrap;
 class Window;
+class ScrollArea;
 namespace Platform {
 class TitleControls;
 } // namespace Platform
@@ -44,6 +45,8 @@ namespace Calls {
 class Userpic;
 class SignalBars;
 
+class GroupMembers;
+
 class GroupPanel final {
 public:
 	GroupPanel(not_null<GroupCall*> call);
@@ -67,14 +70,11 @@ private:
 	void initLayout();
 	void initGeometry();
 
-	void handleClose();
+	bool handleClose();
 
 	void updateControlsGeometry();
 	void stateChanged(State state);
 	void showControls();
-	void startDurationUpdateTimer(crl::time currentDuration);
-
-	void toggleFullScreen(bool fullscreen);
 
 	GroupCall *_call = nullptr;
 	not_null<ChannelData*> _channel;
@@ -87,6 +87,8 @@ private:
 
 	rpl::lifetime _callLifetime;
 
+	object_ptr<GroupMembers> _members;
+
 	object_ptr<Button> _settings;
 	object_ptr<Button> _hangup;
 	object_ptr<Button> _mute;

Telegram/SourceFiles/history/view/history_view_group_call_tracker.cpp

@@ -35,7 +35,7 @@ rpl::producer<Ui::GroupCallBarContent> GroupCallTracker::content() const {
 		if (!call || (current && current->channel() == channel)) {
 			return { .shown = false };
 		} else if (!call->fullCount() && !call->participantsLoaded()) {
-			call->requestParticipants();
+			call->reload();
 		}
 		return { .count = call->fullCount(), .shown = true };
 	});

Telegram/SourceFiles/ui/chat/chat.style

@@ -517,22 +517,22 @@ historyUnreadBarFont: semiboldFont;
 historyForwardChooseMargins: margins(30px, 10px, 30px, 10px);
 historyForwardChooseFont: font(16px);
 
-historyCallArrowIn: icon {{ "call_arrow_in", historyCallArrowInFg }};
-historyCallArrowInSelected: icon {{ "call_arrow_in", historyCallArrowInFgSelected }};
-historyCallArrowMissedIn: icon {{ "call_arrow_in", historyCallArrowMissedInFg }};
-historyCallArrowMissedInSelected: icon {{ "call_arrow_in", historyCallArrowMissedInFgSelected }};
-historyCallArrowOut: icon {{ "call_arrow_out", historyCallArrowOutFg }};
-historyCallArrowOutSelected: icon {{ "call_arrow_out", historyCallArrowOutFgSelected }};
+historyCallArrowIn: icon {{ "calls/call_arrow_in", historyCallArrowInFg }};
+historyCallArrowInSelected: icon {{ "calls/call_arrow_in", historyCallArrowInFgSelected }};
+historyCallArrowMissedIn: icon {{ "calls/call_arrow_in", historyCallArrowMissedInFg }};
+historyCallArrowMissedInSelected: icon {{ "calls/call_arrow_in", historyCallArrowMissedInFgSelected }};
+historyCallArrowOut: icon {{ "calls/call_arrow_out", historyCallArrowOutFg }};
+historyCallArrowOutSelected: icon {{ "calls/call_arrow_out", historyCallArrowOutFgSelected }};
 historyCallWidth: 240px;
 historyCallHeight: 56px;
-historyCallInIcon: icon {{ "call_answer", msgFileInBg }};
-historyCallInIconSelected: icon {{ "call_answer", msgFileInBgSelected }};
-historyCallOutIcon: icon {{ "call_answer", msgFileOutBg }};
-historyCallOutIconSelected: icon {{ "call_answer", msgFileOutBgSelected }};
-historyCallCameraInIcon: icon {{ "call_camera_active", msgFileInBg }};
-historyCallCameraInIconSelected: icon {{ "call_camera_active", msgFileInBgSelected }};
-historyCallCameraOutIcon: icon {{ "call_camera_active", msgFileOutBg }};
-historyCallCameraOutIconSelected: icon {{ "call_camera_active", msgFileOutBgSelected }};
+historyCallInIcon: icon {{ "calls/call_answer", msgFileInBg }};
+historyCallInIconSelected: icon {{ "calls/call_answer", msgFileInBgSelected }};
+historyCallOutIcon: icon {{ "calls/call_answer", msgFileOutBg }};
+historyCallOutIconSelected: icon {{ "calls/call_answer", msgFileOutBgSelected }};
+historyCallCameraInIcon: icon {{ "calls/call_camera_active", msgFileInBg }};
+historyCallCameraInIconSelected: icon {{ "calls/call_camera_active", msgFileInBgSelected }};
+historyCallCameraOutIcon: icon {{ "calls/call_camera_active", msgFileOutBg }};
+historyCallCameraOutIconSelected: icon {{ "calls/call_camera_active", msgFileOutBgSelected }};
 historyCallIconPosition: point(12px, 10px);
 historyCallLeft: 16px;
 historyCallTop: 9px;

Telegram/lib_ui

@@ -1 +1 @@
-Subproject commit f06346fbf03900c278e1d59717e1387bffc03f39
+Subproject commit e73bae12e26811f70adff5adfafbdb2548e02cd0