From 643ecd2c2c2789b49b2f83059ce71685e375aa88 Mon Sep 17 00:00:00 2001
From: 23rd <23rd@vivaldi.net>
Date: Thu, 25 Apr 2024 14:10:30 +0300
Subject: [PATCH] Implemented initial ui of moderation box.

---
 Telegram/CMakeLists.txt                       |   2 +
 Telegram/Resources/langs/lang.strings         |  10 +
 Telegram/SourceFiles/boxes/boxes.style        |  13 +
 .../boxes/moderate_messages_box.cpp           | 494 ++++++++++++++++++
 .../SourceFiles/boxes/moderate_messages_box.h |  19 +
 Telegram/lib_ui                               |   2 +-
 6 files changed, 539 insertions(+), 1 deletion(-)
 create mode 100644 Telegram/SourceFiles/boxes/moderate_messages_box.cpp
 create mode 100644 Telegram/SourceFiles/boxes/moderate_messages_box.h

diff --git a/Telegram/CMakeLists.txt b/Telegram/CMakeLists.txt
index 0ffd19f99..2f42270ee 100644
--- a/Telegram/CMakeLists.txt
+++ b/Telegram/CMakeLists.txt
@@ -273,6 +273,8 @@ PRIVATE
     boxes/local_storage_box.h
     boxes/max_invite_box.cpp
     boxes/max_invite_box.h
+    boxes/moderate_messages_box.cpp
+    boxes/moderate_messages_box.h
     boxes/peer_list_box.cpp
     boxes/peer_list_box.h
     boxes/peer_list_controllers.cpp
diff --git a/Telegram/Resources/langs/lang.strings b/Telegram/Resources/langs/lang.strings
index 62cf4464e..1174605db 100644
--- a/Telegram/Resources/langs/lang.strings
+++ b/Telegram/Resources/langs/lang.strings
@@ -2854,7 +2854,17 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 "lng_in_dlg_audio_count#other" = "{count} audio";
 
 "lng_ban_user" = "Ban User";
+"lng_ban_users" = "Ban users";
+"lng_restrict_users" = "Restrict users";
 "lng_delete_all_from_user" = "Delete all from {user}";
+"lng_delete_all_from_users" = "Delete all from users";
+"lng_restrict_user_part" = "Partially restrict this user";
+"lng_restrict_users_part" = "Partially restrict users";
+"lng_restrict_user_full" = "Fully ban this user";
+"lng_restrict_users_full" = "Fully ban users";
+"lng_restrict_users_part_single_header" = "What can this user do?";
+"lng_restrict_users_part_header#one" = "What can {count} selected user do?";
+"lng_restrict_users_part_header#other" = "What can {count} selected users do?";
 "lng_report_spam" = "Report Spam";
 "lng_report_spam_and_leave" = "Report spam and leave";
 "lng_report_spam_done" = "Thank you for your report.";
diff --git a/Telegram/SourceFiles/boxes/boxes.style b/Telegram/SourceFiles/boxes/boxes.style
index 890bb87e7..ef166d580 100644
--- a/Telegram/SourceFiles/boxes/boxes.style
+++ b/Telegram/SourceFiles/boxes/boxes.style
@@ -1074,3 +1074,16 @@ collectibleBox: Box(defaultBox) {
 	buttonHeight: 36px;
 	button: collectibleCopy;
 }
+
+moderateBoxUserpic: UserpicButton(defaultUserpicButton) {
+	size: size(34px, 42px);
+	photoSize: 34px;
+	photoPosition: point(0px, 4px);
+}
+moderateBoxExpand: icon {{ "chat/reply_type_group", boxTextFg }};
+moderateBoxExpandHeight: 20px;
+moderateBoxExpandRight: 10px;
+moderateBoxExpandInnerSkip: 2px;
+moderateBoxExpandFont: font(11px);
+moderateBoxExpandToggleSize: 4px;
+moderateBoxExpandToggleFourStrokes: 3px;
diff --git a/Telegram/SourceFiles/boxes/moderate_messages_box.cpp b/Telegram/SourceFiles/boxes/moderate_messages_box.cpp
new file mode 100644
index 000000000..49d436700
--- /dev/null
+++ b/Telegram/SourceFiles/boxes/moderate_messages_box.cpp
@@ -0,0 +1,494 @@
+/*
+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 "boxes/moderate_messages_box.h"
+
+#include "boxes/delete_messages_box.h"
+#include "boxes/peers/edit_peer_permissions_box.h"
+#include "data/data_channel.h"
+#include "data/data_chat.h"
+#include "data/data_peer.h"
+#include "data/data_user.h"
+#include "history/history.h"
+#include "history/history_item.h"
+#include "lang/lang_keys.h"
+#include "ui/controls/userpic_button.h"
+#include "ui/effects/ripple_animation.h"
+#include "ui/effects/toggle_arrow.h"
+#include "ui/layers/generic_box.h"
+#include "ui/painter.h"
+#include "ui/rect.h"
+#include "ui/rect_part.h"
+#include "ui/text/text_utilities.h"
+#include "ui/vertical_list.h"
+#include "ui/widgets/checkbox.h"
+#include "ui/wrap/slide_wrap.h"
+#include "styles/style_boxes.h"
+#include "styles/style_layers.h"
+
+namespace {
+
+enum class ModerateOption {
+	Ban = (1 << 0),
+	DeleteAll = (1 << 1),
+};
+inline constexpr bool is_flag_type(ModerateOption) { return true; }
+using ModerateOptions = base::flags<ModerateOption>;
+
+ModerateOptions CalculateModerateOptions(const HistoryItemsList &items) {
+	Expects(!items.empty());
+
+	const auto peer = items.front()->history()->peer;
+	auto allCanBan = true;
+	auto allCanDelete = true;
+	for (const auto &item : items) {
+		if (!allCanBan && !allCanDelete) {
+			return ModerateOptions(0);
+		}
+		if (peer != item->history()->peer) {
+			return ModerateOptions(0);
+		}
+		if (!item->suggestBanReport()) {
+			allCanBan = false;
+		}
+		if (!item->suggestDeleteAllReport()) {
+			allCanDelete = false;
+		}
+	}
+	return ModerateOptions(0)
+		| (allCanBan ? ModerateOption::Ban : ModerateOptions(0))
+		| (allCanDelete ? ModerateOption::DeleteAll : ModerateOptions(0));
+}
+
+class Button final : public Ui::RippleButton {
+public:
+	Button(not_null<QWidget*> parent, int count);
+
+	void setChecked(bool checked);
+	[[nodiscard]] bool checked() const;
+
+	[[nodiscard]] static QSize ComputeSize(int);
+
+private:
+	void paintEvent(QPaintEvent *event) override;
+	QImage prepareRippleMask() const override;
+	QPoint prepareRippleStartPosition() const override;
+
+	const int _count;
+	const QString _text;
+	bool _checked = false;
+
+	Ui::Animations::Simple _animation;
+
+};
+
+Button::Button(not_null<QWidget*> parent, int count)
+: RippleButton(parent, st::defaultRippleAnimation)
+, _count(count)
+, _text(QString::number(std::abs(_count))) {
+}
+
+QSize Button::ComputeSize(int count) {
+	return QSize(
+		st::moderateBoxExpandHeight
+			+ st::moderateBoxExpand.width()
+			+ st::moderateBoxExpandInnerSkip * 4
+			+ st::moderateBoxExpandFont->width(
+				QString::number(std::abs(count)))
+			+ st::moderateBoxExpandToggleSize,
+		st::moderateBoxExpandHeight);
+}
+
+void Button::setChecked(bool checked) {
+	if (_checked == checked) {
+		return;
+	}
+	_checked = checked;
+	_animation.stop();
+	_animation.start(
+		[=] { update(); },
+		checked ? 0 : 1,
+		checked ? 1 : 0,
+		st::slideWrapDuration);
+}
+
+bool Button::checked() const {
+	return _checked;
+}
+
+void Button::paintEvent(QPaintEvent *event) {
+	auto p = Painter(this);
+	auto hq = PainterHighQualityEnabler(p);
+	Ui::RippleButton::paintRipple(p, QPoint());
+	const auto radius = height() / 2;
+	p.setPen(Qt::NoPen);
+	st::moderateBoxExpand.paint(
+		p,
+		radius,
+		(height() - st::moderateBoxExpand.height()) / 2,
+		width());
+
+	const auto innerSkip = st::moderateBoxExpandInnerSkip;
+
+	p.setBrush(Qt::NoBrush);
+	p.setPen(st::boxTextFg);
+	p.setFont(st::moderateBoxExpandFont);
+	p.drawText(
+		QRect(
+			innerSkip + radius + st::moderateBoxExpand.width(),
+			0,
+			width(),
+			height()),
+		_text,
+		style::al_left);
+
+	const auto path = Ui::ToggleUpDownArrowPath(
+		width() - st::moderateBoxExpandToggleSize - radius,
+		height() / 2,
+		st::moderateBoxExpandToggleSize,
+		st::moderateBoxExpandToggleFourStrokes,
+		_animation.value(_checked ? 1. : 0.));
+	p.fillPath(path, st::boxTextFg);
+}
+
+QImage Button::prepareRippleMask() const {
+	return Ui::RippleAnimation::RoundRectMask(size(), size().height() / 2);
+}
+
+QPoint Button::prepareRippleStartPosition() const {
+	return mapFromGlobal(QCursor::pos());
+}
+
+} // namespace
+
+void CreateModerateMessagesBox(
+		not_null<Ui::GenericBox*> box,
+		const HistoryItemsList &items) {
+	const auto options = CalculateModerateOptions(items);
+	const auto inner = box->verticalLayout();
+
+	const auto users = [&] {
+		auto result = std::vector<not_null<UserData*>>();
+		for (const auto &item : items) {
+			if (const auto user = item->from()->asUser()) {
+				if (!ranges::contains(result, not_null{ user })) {
+					result.push_back(user);
+				}
+			}
+		}
+		return result;
+	}();
+	Assert(!users.empty());
+
+	const auto isSingle = users.size() == 1;
+	const auto buttonPadding = isSingle
+		? QMargins()
+		: QMargins(0, 0, Button::ComputeSize(users.size()).width(), 0);
+
+	struct Controller final {
+		rpl::event_stream<bool> toggleRequestsFromTop;
+		rpl::event_stream<bool> toggleRequestsFromInner;
+		rpl::event_stream<bool> checkAllRequests;
+	};
+	const auto createUsersList = [&](not_null<Controller*> controller) {
+		const auto wrap = inner->add(
+			object_ptr<Ui::SlideWrap<Ui::VerticalLayout>>(
+				inner,
+				object_ptr<Ui::VerticalLayout>(inner)));
+		wrap->toggle(false, anim::type::instant);
+
+		controller->toggleRequestsFromTop.events(
+		) | rpl::start_with_next([=](bool toggled) {
+			wrap->toggle(toggled, anim::type::normal);
+		}, wrap->lifetime());
+
+		const auto container = wrap->entity();
+		Ui::AddSkip(container);
+
+		auto &lifetime = wrap->lifetime();
+		const auto clicks = lifetime.make_state<rpl::event_stream<>>();
+		const auto checkboxes = ranges::views::all(
+			users
+		) | ranges::views::transform([&](not_null<UserData*> user) {
+			const auto line = container->add(
+				object_ptr<Ui::AbstractButton>(container));
+			const auto &st = st::moderateBoxUserpic;
+			line->resize(line->width(), st.size.height());
+
+			const auto userpic = Ui::CreateChild<Ui::UserpicButton>(
+				line,
+				user,
+				st);
+			const auto checkbox = Ui::CreateChild<Ui::Checkbox>(
+				line,
+				user->name(),
+				false,
+				st::defaultBoxCheckbox);
+			line->widthValue(
+			) | rpl::start_with_next([=](int width) {
+				userpic->moveToLeft(
+					st::boxRowPadding.left()
+						+ checkbox->checkRect().width()
+						+ st::defaultBoxCheckbox.textPosition.x(),
+					0);
+				const auto skip = st::defaultBoxCheckbox.textPosition.x();
+				checkbox->resizeToWidth(width
+					- rect::right(userpic)
+					- skip
+					- st::boxRowPadding.right());
+				checkbox->moveToLeft(
+					rect::right(userpic) + skip,
+					((userpic->height() - checkbox->height()) / 2)
+						+ st::defaultBoxCheckbox.margin.top());
+			}, checkbox->lifetime());
+
+			userpic->setAttribute(Qt::WA_TransparentForMouseEvents);
+			checkbox->setAttribute(Qt::WA_TransparentForMouseEvents);
+
+			line->setClickedCallback([=] {
+				checkbox->setChecked(!checkbox->checked());
+				clicks->fire({});
+			});
+
+			return checkbox;
+		}) | ranges::to_vector;
+
+		clicks->events(
+		) | rpl::start_with_next([=] {
+			controller->toggleRequestsFromInner.fire_copy(
+				ranges::any_of(checkboxes, &Ui::Checkbox::checked));
+		}, container->lifetime());
+
+		controller->checkAllRequests.events(
+		) | rpl::start_with_next([=](bool checked) {
+			for (const auto &c : checkboxes) {
+				c->setChecked(checked);
+			}
+		}, container->lifetime());
+	};
+
+	const auto appendList = [&](not_null<Ui::Checkbox*> checkbox) {
+		const auto button = Ui::CreateChild<Button>(inner, users.size());
+		button->resize(Button::ComputeSize(users.size()));
+
+		const auto overlay = Ui::CreateChild<Ui::AbstractButton>(inner);
+
+		checkbox->geometryValue(
+		) | rpl::start_with_next([=](const QRect &rect) {
+			overlay->setGeometry(rect);
+			overlay->raise();
+
+			button->moveToRight(
+				st::moderateBoxExpandRight,
+				rect.top() + (rect.height() - button->height()) / 2,
+				box->width());
+			button->raise();
+		}, button->lifetime());
+
+		const auto controller = checkbox->lifetime().make_state<Controller>();
+		controller->toggleRequestsFromInner.events(
+		) | rpl::start_with_next([=](bool toggled) {
+			checkbox->setChecked(toggled);
+		}, checkbox->lifetime());
+		button->setClickedCallback([=] {
+			button->setChecked(!button->checked());
+			controller->toggleRequestsFromTop.fire_copy(button->checked());
+		});
+		overlay->setClickedCallback([=] {
+			checkbox->setChecked(!checkbox->checked());
+			controller->checkAllRequests.fire_copy(checkbox->checked());
+		});
+		createUsersList(controller);
+	};
+
+	Ui::AddSkip(inner);
+	box->addRow(
+		object_ptr<Ui::FlatLabel>(
+			box,
+			(items.size() == 1)
+				? tr::lng_selected_delete_sure_this()
+				: tr::lng_selected_delete_sure(
+					lt_count,
+					rpl::single(items.size()) | tr::to_count()),
+			st::boxLabel));
+	Ui::AddSkip(inner);
+	Ui::AddSkip(inner);
+	Ui::AddSkip(inner);
+	{
+		const auto report = box->addRow(
+			object_ptr<Ui::Checkbox>(
+				box,
+				tr::lng_report_spam(tr::now),
+				false,
+				st::defaultBoxCheckbox),
+			st::boxRowPadding + buttonPadding);
+		if (!isSingle) {
+			appendList(report);
+		}
+	}
+
+	if (options & ModerateOption::DeleteAll) {
+		Ui::AddSkip(inner);
+		Ui::AddSkip(inner);
+
+		const auto deleteAll = inner->add(
+			object_ptr<Ui::Checkbox>(
+				inner,
+				!(isSingle)
+					? tr::lng_delete_all_from_users(
+						tr::now,
+						Ui::Text::WithEntities)
+					: tr::lng_delete_all_from_user(
+						tr::now,
+						lt_user,
+						Ui::Text::Bold(items.front()->from()->name()),
+						Ui::Text::WithEntities),
+				false,
+				st::defaultBoxCheckbox),
+			st::boxRowPadding + buttonPadding);
+		if (!isSingle) {
+			appendList(deleteAll);
+		}
+	}
+	if (options & ModerateOption::Ban) {
+		auto ownedWrap = object_ptr<Ui::SlideWrap<Ui::VerticalLayout>>(
+			inner,
+			object_ptr<Ui::VerticalLayout>(inner));
+
+		Ui::AddSkip(inner);
+		Ui::AddSkip(inner);
+		const auto ban = inner->add(
+			object_ptr<Ui::Checkbox>(
+				box,
+				rpl::conditional(
+					ownedWrap->toggledValue(),
+					tr::lng_context_restrict_user(),
+					rpl::conditional(
+						rpl::single(isSingle),
+						tr::lng_ban_user(),
+						tr::lng_ban_users())),
+				false,
+				st::defaultBoxCheckbox),
+			st::boxRowPadding + buttonPadding);
+		if (!isSingle) {
+			appendList(ban);
+		}
+		Ui::AddSkip(inner);
+		Ui::AddSkip(inner);
+
+		const auto wrap = inner->add(std::move(ownedWrap));
+		const auto container = wrap->entity();
+		wrap->toggle(false, anim::type::instant);
+		auto label = object_ptr<Ui::FlatLabel>(
+			inner,
+			wrap->toggledValue(
+			) | rpl::map([isSingle](bool toggled) {
+				return Ui::Text::Link(
+					((toggled && isSingle)
+						? tr::lng_restrict_user_part
+						: (toggled && !isSingle)
+						? tr::lng_restrict_users_part
+						: isSingle
+						? tr::lng_restrict_user_full
+						: tr::lng_restrict_users_full)(tr::now),
+					u"internal:"_q);
+			}),
+			st::boxDividerLabel);
+
+		auto &lifetime = wrap->lifetime();
+		const auto scrollLifetime = lifetime.make_state<rpl::lifetime>();
+		label->setClickHandlerFilter([=](
+				const ClickHandlerPtr &handler,
+				Qt::MouseButton button) {
+			if (button != Qt::LeftButton) {
+				return false;
+			}
+			wrap->toggle(!wrap->toggled(), anim::type::normal);
+			{
+				const auto start = crl::now();
+				inner->heightValue(
+				) | rpl::start_with_next([=] {
+					if (!wrap->animating()) {
+						scrollLifetime->destroy();
+						Ui::PostponeCall(crl::guard(box, [=] {
+							box->scrollToY(std::numeric_limits<int>::max());
+						}));
+					} else {
+						box->scrollToY(std::numeric_limits<int>::max());
+					}
+				}, *scrollLifetime);
+			}
+			return true;
+		});
+
+		Ui::AddSkip(inner);
+		inner->add(object_ptr<Ui::DividerLabel>(
+			inner,
+			std::move(label),
+			st::defaultBoxDividerLabelPadding,
+			RectPart::Top | RectPart::Bottom));
+
+		using Flag = ChatRestriction;
+		using Flags = ChatRestrictions;
+		const auto peer = items.front()->history()->peer;
+		const auto chat = peer->asChat();
+		const auto channel = peer->asChannel();
+		const auto defaultRestrictions = chat
+			? chat->defaultRestrictions()
+			: channel->defaultRestrictions();
+		const auto prepareFlags = FixDependentRestrictions(
+			defaultRestrictions
+			| ((channel && channel->isPublic())
+				? (Flag::ChangeInfo | Flag::PinMessages)
+				: Flags(0)));
+		const auto disabledMessages = [&] {
+			auto result = base::flat_map<Flags, QString>();
+			{
+				const auto disabled = FixDependentRestrictions(
+					defaultRestrictions
+					| ((channel && channel->isPublic())
+						? (Flag::ChangeInfo | Flag::PinMessages)
+						: Flags(0)));
+				result.emplace(
+					disabled,
+					tr::lng_rights_restriction_for_all(tr::now));
+			}
+			return result;
+		}();
+
+		auto [checkboxes, getRestrictions, changes] = CreateEditRestrictions(
+			box,
+			rpl::conditional(
+				rpl::single(isSingle),
+				tr::lng_restrict_users_part_single_header(),
+				tr::lng_restrict_users_part_header(
+					lt_count,
+					rpl::single(users.size()) | tr::to_count())),
+			prepareFlags,
+			disabledMessages,
+			{ .isForum = peer->isForum() });
+		std::move(
+			changes
+		) | rpl::start_with_next([=] {
+			ban->setChecked(true);
+		}, ban->lifetime());
+		Ui::AddSkip(container);
+		Ui::AddDivider(container);
+		Ui::AddSkip(container);
+		container->add(std::move(checkboxes));
+	}
+	Ui::AddSkip(inner);
+
+	box->addButton(tr::lng_box_delete(), [=] { box->closeBox(); });
+	box->addButton(tr::lng_cancel(), [=] { box->closeBox(); });
+}
+
+bool CanCreateModerateMessagesBox(const HistoryItemsList &items) {
+	const auto options = CalculateModerateOptions(items);
+	return (options & ModerateOption::Ban)
+		|| (options & ModerateOption::DeleteAll);
+}
diff --git a/Telegram/SourceFiles/boxes/moderate_messages_box.h b/Telegram/SourceFiles/boxes/moderate_messages_box.h
new file mode 100644
index 000000000..c2c9f25d5
--- /dev/null
+++ b/Telegram/SourceFiles/boxes/moderate_messages_box.h
@@ -0,0 +1,19 @@
+/*
+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
+
+
+namespace Ui {
+class GenericBox;
+} // namespace Ui
+
+void CreateModerateMessagesBox(
+	not_null<Ui::GenericBox*> box,
+	const HistoryItemsList &items);
+
+[[nodiscard]] bool CanCreateModerateMessagesBox(const HistoryItemsList &);
diff --git a/Telegram/lib_ui b/Telegram/lib_ui
index 69e474ea7..6d1014fa8 160000
--- a/Telegram/lib_ui
+++ b/Telegram/lib_ui
@@ -1 +1 @@
-Subproject commit 69e474ea775f115afb3e4afeb80d3227325dfcc4
+Subproject commit 6d1014fa8f67d4f997c0580a90df075008e0f34c