Apply geometry constraints in stories viewer.

Telegram/CMakeLists.txt

@@ -962,6 +962,8 @@ PRIVATE
     media/player/media_player_volume_controller.h
     media/player/media_player_widget.cpp
     media/player/media_player_widget.h
+    media/stories/media_stories_controller.cpp
+    media/stories/media_stories_controller.h
     media/stories/media_stories_delegate.cpp
     media/stories/media_stories_delegate.h
     media/stories/media_stories_header.cpp

Telegram/SourceFiles/history/view/controls/history_view_compose_controls.cpp

@@ -355,6 +355,7 @@ public:
 		rpl::producer<QString> title,
 		rpl::producer<QString> description,
 		rpl::producer<WebPageData*> page);
+	void previewUnregister();
 
 	[[nodiscard]] bool isDisplayed() const;
 	[[nodiscard]] bool isEditingMessage() const;
@@ -413,6 +414,7 @@ private:
 	rpl::event_stream<> _replyCancelled;
 	rpl::event_stream<> _forwardCancelled;
 	rpl::event_stream<> _previewCancelled;
+	rpl::lifetime _previewLifetime;
 
 	rpl::variable<FullMsgId> _editMsgId;
 	rpl::variable<FullMsgId> _replyToId;
@@ -677,17 +679,18 @@ void FieldHeader::resolveMessageData() {
 }
 
 void FieldHeader::previewRequested(
-	rpl::producer<QString> title,
+		rpl::producer<QString> title,
-	rpl::producer<QString> description,
+		rpl::producer<QString> description,
-	rpl::producer<WebPageData*> page) {
+		rpl::producer<WebPageData*> page) {
+	_previewLifetime.destroy();
 
 	std::move(
 		title
 	) | rpl::filter([=] {
 		return !_preview.cancelled;
-	}) | start_with_next([=](const QString &t) {
+	}) | rpl::start_with_next([=](const QString &t) {
 		_title = t;
-	}, lifetime());
+	}, _previewLifetime);
 
 	std::move(
 		description
@@ -695,7 +698,7 @@ void FieldHeader::previewRequested(
 		return !_preview.cancelled;
 	}) | rpl::start_with_next([=](const QString &d) {
 		_description = d;
-	}, lifetime());
+	}, _previewLifetime);
 
 	std::move(
 		page
@@ -704,8 +707,11 @@ void FieldHeader::previewRequested(
 	}) | rpl::start_with_next([=](WebPageData *p) {
 		_preview.data = p;
 		updateVisible();
-	}, lifetime());
+	}, _previewLifetime);
+}
 
+void FieldHeader::previewUnregister() {
+	_previewLifetime.destroy();
 }
 
 void FieldHeader::paintWebPage(Painter &p, not_null<PeerData*> context) {
@@ -996,10 +1002,6 @@ Main::Session &ComposeControls::session() const {
 }
 
 void ComposeControls::setHistory(SetHistoryArgs &&args) {
-	// Right now only single non-null set of history is supported.
-	// Otherwise initWebpageProcess should be updated / rewritten.
-	Expects(!_history && (*args.history));
-
 	_showSlowmodeError = std::move(args.showSlowmodeError);
 	_sendActionFactory = std::move(args.sendActionFactory);
 	_slowmodeSecondsLeft = rpl::single(0)
@@ -1014,6 +1016,7 @@ void ComposeControls::setHistory(SetHistoryArgs &&args) {
 	}
 	unregisterDraftSources();
 	_history = history;
+	_historyLifetime.destroy();
 	_header->setHistory(args);
 	registerDraftSource();
 	_selector->setCurrentPeer(history ? history->peer.get() : nullptr);
@@ -1025,9 +1028,12 @@ void ComposeControls::setHistory(SetHistoryArgs &&args) {
 	updateControlsVisibility();
 	updateFieldPlaceholder();
 	updateAttachBotsMenu();
-	//if (!_history) {
+
-	//	return;
+	_sendAs = nullptr;
-	//}
+	_silent = nullptr;
+	if (!_history) {
+		return;
+	}
 	const auto peer = _history->peer;
 	initSendAsButton(peer);
 	if (peer->isChat() && peer->asChat()->noParticipantInfo()) {
@@ -2134,7 +2140,7 @@ void ComposeControls::initSendAsButton(not_null<PeerData*> peer) {
 			updateControlsGeometry(_wrap->size());
 			orderControls();
 		}
-	}, _wrap->lifetime());
+	}, _historyLifetime);
 
 	updateSendAsButton();
 }
@@ -2218,7 +2224,7 @@ void ComposeControls::initVoiceRecordBar() {
 	_voiceRecordBar->setStartRecordingFilter([=] {
 		const auto error = [&]() -> std::optional<QString> {
 			const auto peer = _history ? _history->peer.get() : nullptr;
-			if (!peer) {
+			if (peer) {
 				if (const auto error = Data::RestrictionError(
 						peer,
 						ChatRestriction::SendVoiceMessages)) {
@@ -2448,10 +2454,9 @@ void ComposeControls::updateMessagesTTLShown() {
 }
 
 bool ComposeControls::updateSendAsButton() {
-	Expects(_history != nullptr);
+	const auto peer = _history ? _history->peer.get() : nullptr;
-
+	if (!peer
-	const auto peer = _history->peer;
+		|| !_regularWindow
-	if (!_regularWindow
 		|| isEditingMessage()
 		|| !session().sendAsPeers().shouldChoose(peer)) {
 		if (!_sendAs) {
@@ -2467,7 +2472,7 @@ bool ComposeControls::updateSendAsButton() {
 		st::sendAsButton);
 	Ui::SetupSendAsButton(
 		_sendAs.get(),
-		rpl::single(peer.get()),
+		rpl::single(peer),
 		_regularWindow);
 	return true;
 }
@@ -2781,15 +2786,18 @@ bool ComposeControls::handleCancelRequest() {
 }
 
 void ComposeControls::initWebpageProcess() {
-	Expects(_history);
+	if (!_history) {
+		_preview = nullptr;
+		_header->previewUnregister();
+		return;
+	}
 
-	auto &lifetime = _wrap->lifetime();
 	_preview = std::make_unique<WebpageProcessor>(_history, _field);
 
 	_preview->paintRequests(
 	) | rpl::start_with_next(crl::guard(_header.get(), [=] {
 		_header->update();
-	}), lifetime);
+	}), _historyLifetime);
 
 	session().changes().peerUpdates(
 		Data::PeerUpdate::Flag::Rights
@@ -2818,7 +2826,7 @@ void ComposeControls::initWebpageProcess() {
 				updateControlsGeometry(_wrap->size());
 			}
 		}
-	}, lifetime);
+	}, _historyLifetime);
 
 	_header->previewRequested(
 		_preview->titleChanges(),

Telegram/SourceFiles/history/view/controls/history_view_compose_controls.h

@@ -389,10 +389,11 @@ private:
 
 	std::unique_ptr<WebpageProcessor> _preview;
 
-	rpl::lifetime _uploaderSubscriptions;
-
 	Fn<void()> _raiseEmojiSuggestions;
 
+	rpl::lifetime _historyLifetime;
+	rpl::lifetime _uploaderSubscriptions;
+
 };
 
 } // namespace HistoryView

Telegram/SourceFiles/media/stories/media_stories_controller.cpp

@@ -0,0 +1,155 @@
+/*
+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 "media/stories/media_stories_controller.h"
+
+#include "data/data_stories.h"
+#include "media/stories/media_stories_delegate.h"
+#include "media/stories/media_stories_header.h"
+#include "media/stories/media_stories_slider.h"
+#include "media/stories/media_stories_reply.h"
+#include "ui/rp_widget.h"
+#include "styles/style_media_view.h"
+#include "styles/style_widgets.h"
+#include "styles/style_boxes.h" // UserpicButton
+
+namespace Media::Stories {
+
+Controller::Controller(not_null<Delegate*> delegate)
+: _delegate(delegate)
+, _wrap(_delegate->storiesWrap())
+, _header(std::make_unique<Header>(this))
+, _slider(std::make_unique<Slider>(this))
+, _replyArea(std::make_unique<ReplyArea>(this)) {
+	initLayout();
+}
+
+void Controller::initLayout() {
+	const auto headerHeight = st::storiesHeaderMargin.top()
+		+ st::storiesHeaderPhoto.photoSize
+		+ st::storiesHeaderMargin.bottom();
+	const auto sliderHeight = st::storiesSliderMargin.top()
+		+ st::storiesSlider.width
+		+ st::storiesSliderMargin.bottom();
+	const auto outsideHeaderHeight = headerHeight + sliderHeight;
+	const auto fieldMinHeight = st::storiesFieldMargin.top()
+		+ st::storiesAttach.height
+		+ st::storiesFieldMargin.bottom();
+	const auto minHeightForOutsideHeader = st::storiesMaxSize.height()
+		+ outsideHeaderHeight
+		+ fieldMinHeight;
+	_layout = _wrap->sizeValue(
+	) | rpl::map([=](QSize size) {
+		size = QSize(
+			std::max(size.width(), st::mediaviewMinWidth),
+			std::max(size.height(), st::mediaviewMinHeight));
+
+		auto layout = Layout();
+		layout.headerLayout = (size.height() >= minHeightForOutsideHeader)
+			? HeaderLayout::Outside
+			: HeaderLayout::Normal;
+
+		const auto topSkip = (layout.headerLayout == HeaderLayout::Outside)
+			? outsideHeaderHeight
+			: st::storiesFieldMargin.bottom();
+		const auto bottomSkip = fieldMinHeight;
+		const auto maxWidth = size.width() - 2 * st::storiesSideSkip;
+		const auto availableHeight = size.height() - topSkip - bottomSkip;
+		const auto maxContentHeight = std::min(
+			availableHeight,
+			st::storiesMaxSize.height());
+		const auto nowWidth = maxContentHeight * st::storiesMaxSize.width()
+			/ st::storiesMaxSize.height();
+		const auto contentWidth = std::min(nowWidth, maxWidth);
+		const auto contentHeight = (contentWidth < nowWidth)
+			? (contentWidth * st::storiesMaxSize.height()
+				/ st::storiesMaxSize.width())
+			: maxContentHeight;
+		const auto addedTopSkip = (availableHeight - contentHeight) / 2;
+		layout.content = QRect(
+			(size.width() - contentWidth) / 2,
+			addedTopSkip + topSkip,
+			contentWidth,
+			contentHeight);
+
+		if (layout.headerLayout == HeaderLayout::Outside) {
+			layout.header = QRect(
+				layout.content.topLeft() - QPoint(0, outsideHeaderHeight),
+				QSize(contentWidth, outsideHeaderHeight));
+			layout.slider = QRect(
+				layout.header.topLeft() + QPoint(0, headerHeight),
+				QSize(contentWidth, sliderHeight));
+		} else {
+			layout.slider = QRect(
+				layout.content.topLeft(),
+				QSize(contentWidth, sliderHeight));
+			layout.header = QRect(
+				layout.slider.topLeft() + QPoint(0, sliderHeight),
+				QSize(contentWidth, headerHeight));
+		}
+		layout.controlsWidth = std::max(
+			layout.content.width(),
+			st::storiesControlsMinWidth);
+		layout.controlsBottomPosition = QPoint(
+			(size.width() - layout.controlsWidth) / 2,
+			(layout.content.y()
+				+ layout.content.height()
+				+ fieldMinHeight
+				- st::storiesFieldMargin.bottom()));
+		layout.autocompleteRect = QRect(
+			layout.controlsBottomPosition.x(),
+			0,
+			layout.controlsWidth,
+			layout.controlsBottomPosition.y());
+
+		return layout;
+	});
+}
+
+not_null<Ui::RpWidget*> Controller::wrap() const {
+	return _wrap;
+}
+
+Layout Controller::layout() const {
+	Expects(_layout.current().has_value());
+
+	return *_layout.current();
+}
+
+rpl::producer<Layout> Controller::layoutValue() const {
+	return _layout.value() | rpl::filter_optional();
+}
+
+std::shared_ptr<ChatHelpers::Show> Controller::uiShow() const {
+	return _delegate->storiesShow();
+}
+
+auto Controller::stickerOrEmojiChosen() const
+->rpl::producer<ChatHelpers::FileChosen> {
+	return _delegate->storiesStickerOrEmojiChosen();
+}
+
+void Controller::show(const Data::StoriesList &list, int index) {
+	Expects(index < list.items.size());
+
+	const auto &item = list.items[index];
+
+	const auto id = ShownId{
+		.user = list.user,
+		.id = item.id,
+	};
+	if (_shown == id) {
+		return;
+	}
+	_shown = id;
+
+	_header->show({ .user = list.user, .date = item.date });
+	_slider->show({ .index = index, .total = int(list.items.size()) });
+	_replyArea->show({ .user = list.user });
+}
+
+} // namespace Media::Stories

Telegram/SourceFiles/media/stories/media_stories_controller.h

@@ -0,0 +1,91 @@
+/*
+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 ChatHelpers {
+class Show;
+struct FileChosen;
+} // namespace ChatHelpers
+
+namespace Data {
+struct StoriesList;
+} // namespace Data
+
+namespace Ui {
+class RpWidget;
+} // namespace Ui
+
+namespace Media::Stories {
+
+class Header;
+class Slider;
+class ReplyArea;
+class Delegate;
+
+struct ShownId {
+	UserData *user = nullptr;
+	StoryId id = 0;
+
+	explicit operator bool() const {
+		return user != nullptr && id != 0;
+	}
+	friend inline auto operator<=>(ShownId, ShownId) = default;
+	friend inline bool operator==(ShownId, ShownId) = default;
+};
+
+enum class HeaderLayout {
+	Normal,
+	Outside,
+};
+
+struct Layout {
+	QRect content;
+	QRect header;
+	QRect slider;
+	int controlsWidth = 0;
+	QPoint controlsBottomPosition;
+	QRect autocompleteRect;
+	HeaderLayout headerLayout = HeaderLayout::Normal;
+
+	friend inline auto operator<=>(Layout, Layout) = default;
+	friend inline bool operator==(Layout, Layout) = default;
+};
+
+class Controller final {
+public:
+	explicit Controller(not_null<Delegate*> delegate);
+
+	[[nodiscard]] not_null<Ui::RpWidget*> wrap() const;
+	[[nodiscard]] Layout layout() const;
+	[[nodiscard]] rpl::producer<Layout> layoutValue() const;
+
+	[[nodiscard]] std::shared_ptr<ChatHelpers::Show> uiShow() const;
+	[[nodiscard]] auto stickerOrEmojiChosen() const
+	-> rpl::producer<ChatHelpers::FileChosen>;
+
+	void show(const Data::StoriesList &list, int index);
+
+private:
+	void initLayout();
+
+	const not_null<Delegate*> _delegate;
+
+	rpl::variable<std::optional<Layout>> _layout;
+
+	const not_null<Ui::RpWidget*> _wrap;
+	const std::unique_ptr<Header> _header;
+	const std::unique_ptr<Slider> _slider;
+	const std::unique_ptr<ReplyArea> _replyArea;
+
+	ShownId _shown;
+
+	rpl::lifetime _lifetime;
+
+};
+
+} // namespace Media::Stories

Telegram/SourceFiles/media/stories/media_stories_header.cpp

@@ -9,18 +9,18 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 
 #include "base/unixtime.h"
 #include "data/data_user.h"
-#include "media/stories/media_stories_delegate.h"
+#include "media/stories/media_stories_controller.h"
 #include "ui/controls/userpic_button.h"
 #include "ui/text/format_values.h"
 #include "ui/widgets/labels.h"
 #include "ui/painter.h"
 #include "ui/rp_widget.h"
-#include "styles/style_boxes.h" // defaultUserpicButton.
+#include "styles/style_media_view.h"
 
 namespace Media::Stories {
 
-Header::Header(not_null<Delegate*> delegate)
+Header::Header(not_null<Controller*> controller)
-: _delegate(delegate) {
+: _controller(controller) {
 }
 
 Header::~Header() {
@@ -34,32 +34,37 @@ void Header::show(HeaderData data) {
 	_data = data;
 	if (userChanged) {
 		_date = nullptr;
-		const auto parent = _delegate->storiesWrap();
+		const auto parent = _controller->wrap();
 		auto widget = std::make_unique<Ui::RpWidget>(parent);
 		const auto raw = widget.get();
-		parent->sizeValue() | rpl::start_with_next([=](QSize size) {
-			raw->setGeometry(50, 50, 600, 100);
-		}, raw->lifetime());
 		raw->setAttribute(Qt::WA_TransparentForMouseEvents);
 		const auto userpic = Ui::CreateChild<Ui::UserpicButton>(
 			raw,
 			data.user,
-			st::defaultUserpicButton);
+			st::storiesHeaderPhoto);
-		userpic->move(0, 0);
+		userpic->show();
+		userpic->move(
+			st::storiesHeaderMargin.left(),
+			st::storiesHeaderMargin.top());
 		const auto name = Ui::CreateChild<Ui::FlatLabel>(
 			raw,
 			data.user->firstName,
-			st::defaultFlatLabel);
+			st::storiesHeaderName);
-		name->move(100, 0);
+		name->move(st::storiesHeaderNamePosition);
 		raw->show();
 		_widget = std::move(widget);
+
+		_controller->layoutValue(
+		) | rpl::start_with_next([=](const Layout &layout) {
+			raw->setGeometry(layout.header);
+		}, raw->lifetime());
 	}
 	_date = std::make_unique<Ui::FlatLabel>(
 		_widget.get(),
 		Ui::FormatDateTime(base::unixtime::parse(data.date)),
-		st::defaultFlatLabel);
+		st::storiesHeaderDate);
-	_date->move(100, 50);
 	_date->show();
+	_date->move(st::storiesHeaderDatePosition);
 }
 
 } // namespace Media::Stories

Telegram/SourceFiles/media/stories/media_stories_header.h

@@ -16,24 +16,26 @@ class FlatLabel;
 
 namespace Media::Stories {
 
-class Delegate;
+class Controller;
 
 struct HeaderData {
 	not_null<UserData*> user;
 	TimeId date = 0;
 
 	friend inline auto operator<=>(HeaderData, HeaderData) = default;
+	friend inline bool operator==(HeaderData, HeaderData) = default;
 };
 
 class Header final {
 public:
-	explicit Header(not_null<Delegate*> delegate);
+	explicit Header(not_null<Controller*> controller);
 	~Header();
 
 	void show(HeaderData data);
 
 private:
-	const not_null<Delegate*> _delegate;
+	const not_null<Controller*> _controller;
+
 	std::unique_ptr<Ui::RpWidget> _widget;
 	std::unique_ptr<Ui::FlatLabel> _date;
 	std::optional<HeaderData> _data;

Telegram/SourceFiles/media/stories/media_stories_reply.cpp

@@ -7,42 +7,156 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 */
 #include "media/stories/media_stories_reply.h"
 
+#include "base/call_delayed.h"
 #include "chat_helpers/compose/compose_show.h"
 #include "chat_helpers/tabbed_selector.h"
+#include "data/data_session.h"
+#include "data/data_user.h"
+#include "history/view/controls/compose_controls_common.h"
 #include "history/view/controls/history_view_compose_controls.h"
-#include "media/stories/media_stories_delegate.h"
+#include "inline_bots/inline_bot_result.h"
+#include "media/stories/media_stories_controller.h"
 #include "menu/menu_send.h"
+#include "styles/style_media_view.h"
 
 namespace Media::Stories {
 
-ReplyArea::ReplyArea(not_null<Delegate*> delegate)
+ReplyArea::ReplyArea(not_null<Controller*> controller)
-: _delegate(delegate)
+: _controller(controller)
 , _controls(std::make_unique<HistoryView::ComposeControls>(
-	_delegate->storiesWrap(),
+	_controller->wrap(),
 	HistoryView::ComposeControlsDescriptor{
-		.show = _delegate->storiesShow(),
+		.show = _controller->uiShow(),
 		.unavailableEmojiPasted = [=](not_null<DocumentData*> emoji) {
 			showPremiumToast(emoji);
 		},
 		.mode = HistoryView::ComposeControlsMode::Normal,
 		.sendMenuType = SendMenu::Type::SilentOnly,
-		.stickerOrEmojiChosen = _delegate->storiesStickerOrEmojiChosen(),
+		.stickerOrEmojiChosen = _controller->stickerOrEmojiChosen(),
 	}
 )) {
-	_delegate->storiesWrap()->sizeValue(
+	initGeometry();
-	) | rpl::start_with_next([=](QSize size) {
+	initActions();
-		_controls->resizeToWidth(size.width() - 200);
-		_controls->move(100, size.height() - _controls->heightCurrent() - 20);
-		_controls->setAutocompleteBoundingRect({ QPoint() ,size });
-	}, _lifetime);
-
-	_controls->show();
-	_controls->showFinished();
 }
 
 ReplyArea::~ReplyArea() {
 }
 
+void ReplyArea::initGeometry() {
+	_controller->layoutValue(
+	) | rpl::start_with_next([=](const Layout &layout) {
+		_controls->resizeToWidth(layout.content.width());
+		const auto position = layout.controlsBottomPosition
+			- QPoint(0, _controls->heightCurrent());
+		_controls->move(position.x(), position.y());
+		_controls->setAutocompleteBoundingRect(layout.autocompleteRect);
+	}, _lifetime);
+}
+
+void ReplyArea::send(Api::SendOptions options) {
+	// #TODO stories
+}
+
+void ReplyArea::sendVoice(VoiceToSend &&data) {
+	// #TODO stories
+}
+
+void ReplyArea::chooseAttach(std::optional<bool> overrideCompress) {
+	// #TODO stories
+}
+
+void ReplyArea::initActions() {
+	_controls->cancelRequests(
+	) | rpl::start_with_next([=] {
+		// #TODO stories
+	}, _lifetime);
+
+	_controls->sendRequests(
+	) | rpl::start_with_next([=](Api::SendOptions options) {
+		send(options);
+	}, _lifetime);
+
+	_controls->sendVoiceRequests(
+	) | rpl::start_with_next([=](VoiceToSend &&data) {
+		sendVoice(std::move(data));
+	}, _lifetime);
+
+	_controls->attachRequests(
+	) | rpl::filter([=] {
+		return !_choosingAttach;
+	}) | rpl::start_with_next([=](std::optional<bool> overrideCompress) {
+		_choosingAttach = true;
+		base::call_delayed(
+			st::storiesAttach.ripple.hideDuration,
+			this,
+			[=] { chooseAttach(overrideCompress); });
+	}, _lifetime);
+
+	_controls->fileChosen(
+	) | rpl::start_with_next([=](ChatHelpers::FileChosen data) {
+		_controller->uiShow()->hideLayer();
+		//controller()->sendingAnimation().appendSending(
+		//	data.messageSendingFrom);
+		//const auto localId = data.messageSendingFrom.localId;
+		//sendExistingDocument(data.document, data.options, localId);
+	}, _lifetime);
+
+	_controls->photoChosen(
+	) | rpl::start_with_next([=](ChatHelpers::PhotoChosen chosen) {
+		//sendExistingPhoto(chosen.photo, chosen.options);
+	}, _lifetime);
+
+	_controls->inlineResultChosen(
+	) | rpl::start_with_next([=](ChatHelpers::InlineChosen chosen) {
+		//controller()->sendingAnimation().appendSending(
+		//	chosen.messageSendingFrom);
+		//const auto localId = chosen.messageSendingFrom.localId;
+		//sendInlineResult(chosen.result, chosen.bot, chosen.options, localId);
+	}, _lifetime);
+
+	_controls->setMimeDataHook([=](
+			not_null<const QMimeData*> data,
+			Ui::InputField::MimeAction action) {
+		if (action == Ui::InputField::MimeAction::Check) {
+			return false;// checkSendingFiles(data);
+		} else if (action == Ui::InputField::MimeAction::Insert) {
+			return false;/* confirmSendingFiles(
+				data,
+				std::nullopt,
+				Core::ReadMimeText(data));*/
+		}
+		Unexpected("action in MimeData hook.");
+	});
+
+	_controls->lockShowStarts(
+	) | rpl::start_with_next([=] {
+	}, _lifetime);
+
+	_controls->show();
+	_controls->finishAnimating();
+	_controls->showFinished();
+}
+
+void ReplyArea::show(ReplyAreaData data) {
+	if (_data == data) {
+		return;
+	}
+	const auto userChanged = (_data.user != data.user);
+	_data = data;
+	if (!userChanged) {
+		if (_data.user) {
+			_controls->clear();
+		}
+		return;
+	}
+	const auto user = data.user;
+	const auto history = user ? user->owner().history(user).get() : nullptr;
+	_controls->setHistory({
+		.history = history,
+	});
+	_controls->clear();
+}
+
 void ReplyArea::showPremiumToast(not_null<DocumentData*> emoji) {
 	// #TODO stories
 }

Telegram/SourceFiles/media/stories/media_stories_reply.h

@@ -7,31 +7,57 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 */
 #pragma once
 
+#include "base/weak_ptr.h"
+
+namespace Api {
+struct SendOptions;
+} // namespace Api
+
 namespace HistoryView {
 class ComposeControls;
 } // namespace HistoryView
 
+namespace HistoryView::Controls {
+struct VoiceToSend;
+} // namespace HistoryView::Controls
+
 namespace Media::Stories {
 
-class Delegate;
+class Controller;
 
 struct ReplyAreaData {
-	not_null<UserData*> user;
+	UserData *user = nullptr;
+	StoryId id = 0;
 
 	friend inline auto operator<=>(ReplyAreaData, ReplyAreaData) = default;
+	friend inline bool operator==(ReplyAreaData, ReplyAreaData) = default;
 };
 
-class ReplyArea final {
+class ReplyArea final : public base::has_weak_ptr {
 public:
-	explicit ReplyArea(not_null<Delegate*> delegate);
+	explicit ReplyArea(not_null<Controller*> controller);
 	~ReplyArea();
 
+	void show(ReplyAreaData data);
+
 private:
+	using VoiceToSend = HistoryView::Controls::VoiceToSend;
+
+	void initGeometry();
+	void initActions();
+
+	void send(Api::SendOptions options);
+	void sendVoice(VoiceToSend &&data);
+	void chooseAttach(std::optional<bool> overrideSendImagesAsPhotos);
+
 	void showPremiumToast(not_null<DocumentData*> emoji);
 
-	const not_null<Delegate*> _delegate;
+	const not_null<Controller*> _controller;
 	const std::unique_ptr<HistoryView::ComposeControls> _controls;
 
+	ReplyAreaData _data;
+	bool _choosingAttach = false;
+
 	rpl::lifetime _lifetime;
 
 };

Telegram/SourceFiles/media/stories/media_stories_slider.cpp

@@ -7,12 +7,68 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 */
 #include "media/stories/media_stories_slider.h"
 
+#include "media/stories/media_stories_controller.h"
+#include "ui/painter.h"
+#include "ui/rp_widget.h"
+#include "styles/style_widgets.h"
+#include "styles/style_media_view.h"
+
 namespace Media::Stories {
 
-Slider::Slider() {
+Slider::Slider(not_null<Controller*> controller)
+: _controller(controller) {
 }
 
 Slider::~Slider() {
 }
 
+void Slider::show(SliderData data) {
+	if (_data == data) {
+		return;
+	}
+	_data = data;
+
+	const auto parent = _controller->wrap();
+	auto widget = std::make_unique<Ui::RpWidget>(parent);
+	const auto raw = widget.get();
+
+	raw->paintRequest(
+	) | rpl::filter([=] {
+		return (raw->width() >= st::storiesSlider.width);
+	}) | rpl::start_with_next([=](QRect clip) {
+		auto clipf = QRectF(clip);
+		auto p = QPainter(raw);
+		const auto single = st::storiesSlider.width;
+		const auto skip = st::storiesSliderSkip;
+		// width() == single * max + skip * (max - 1);
+		// max == (width() + skip) / (single + skip);
+		const auto max = (raw->width() + skip) / (single + skip);
+		Assert(max > 0);
+		const auto count = std::clamp(_data.total, 1, max);
+		const auto index = std::clamp(data.index, 0, count - 1);
+		const auto radius = st::storiesSlider.width / 2.;
+		const auto width = (raw->width() - (count - 1) * skip)
+			/ float64(count);
+		auto hq = PainterHighQualityEnabler(p);
+		auto left = 0.;
+		for (auto i = 0; i != count; ++i) {
+			const auto rect = QRectF(left, 0, width, single);
+			p.setBrush((i == index) // #TODO stories
+				? st::mediaviewPipControlsFgOver
+				: st::mediaviewPipPlaybackInactive);
+			p.setPen(Qt::NoPen);
+			p.drawRoundedRect(rect, radius, radius);
+			left += width + skip;
+		}
+	}, raw->lifetime());
+
+	raw->show();
+	_widget = std::move(widget);
+
+	_controller->layoutValue(
+	) | rpl::start_with_next([=](const Layout &layout) {
+		raw->setGeometry(layout.slider - st::storiesSliderMargin);
+	}, raw->lifetime());
+}
+
 } // namespace Media::Stories

Telegram/SourceFiles/media/stories/media_stories_slider.h

@@ -7,13 +7,35 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 */
 #pragma once
 
+namespace Ui {
+class RpWidget;
+} // namespace Ui
+
 namespace Media::Stories {
 
+class Controller;
+
+struct SliderData {
+	int index = 0;
+	int total = 0;
+
+	friend inline auto operator<=>(SliderData, SliderData) = default;
+	friend inline bool operator==(SliderData, SliderData) = default;
+};
+
 class Slider final {
 public:
-	Slider();
+	explicit Slider(not_null<Controller*> controller);
 	~Slider();
 
+	void show(SliderData data);
+
+private:
+	const not_null<Controller*> _controller;
+
+	std::unique_ptr<Ui::RpWidget> _widget;
+
+	SliderData _data;
 
 };
 

Telegram/SourceFiles/media/stories/media_stories_view.cpp

@@ -7,6 +7,7 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 */
 #include "media/stories/media_stories_view.h"
 
+#include "media/stories/media_stories_controller.h"
 #include "media/stories/media_stories_delegate.h"
 #include "media/stories/media_stories_header.h"
 #include "media/stories/media_stories_slider.h"
@@ -15,23 +16,17 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 namespace Media::Stories {
 
 View::View(not_null<Delegate*> delegate)
-: _delegate(delegate)
+: _controller(std::make_unique<Controller>(delegate)) {
-, _wrap(_delegate->storiesWrap())
-, _header(std::make_unique<Header>(_delegate))
-, _slider(std::make_unique<Slider>())
-, _replyArea(std::make_unique<ReplyArea>(_delegate)) {
 }
 
 View::~View() = default;
 
 void View::show(const Data::StoriesList &list, int index) {
-	Expects(index < list.items.size());
+	_controller->show(list, index);
+}
 
-	const auto &item = list.items[index];
+QRect View::contentGeometry() const {
-	_header->show({
+	return _controller->layout().content;
-		.user = list.user,
-		.date = item.date,
-	});
 }
 
 } // namespace Media::Stories

Telegram/SourceFiles/media/stories/media_stories_view.h

@@ -7,18 +7,14 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 */
 #pragma once
 
-#include "data/data_stories.h"
+namespace Data {
-
+struct StoriesList;
-namespace Ui {
+} // namespace Data
-class RpWidget;
-} // namespace Ui
 
 namespace Media::Stories {
 
-class Header;
-class Slider;
-class ReplyArea;
 class Delegate;
+class Controller;
 
 class View final {
 public:
@@ -26,14 +22,10 @@ public:
 	~View();
 
 	void show(const Data::StoriesList &list, int index);
+	[[nodiscard]] QRect contentGeometry() const;
 
 private:
-	const not_null<Delegate*> _delegate;
+	const std::unique_ptr<Controller> _controller;
-	const not_null<Ui::RpWidget*> _wrap;
-
-	std::unique_ptr<Header> _header;
-	std::unique_ptr<Slider> _slider;
-	std::unique_ptr<ReplyArea> _replyArea;
 
 };
 

Telegram/SourceFiles/media/view/media_view.style

@@ -10,6 +10,7 @@ using "ui/basic.style";
 using "ui/widgets/widgets.style";
 using "ui/menu_icons.style";
 using "media/player/media_player.style";
+using "boxes/boxes.style";
 
 mediaviewOverDuration: 150;
 
@@ -403,3 +404,41 @@ pipVolumeIcon2: icon {{ "player/player_volume_on", mediaviewPipControlsFg }};
 pipVolumeIcon2Over: icon {{ "player/player_volume_on", mediaviewPipControlsFgOver }};
 
 speedSliderDividerSize: size(2px, 8px);
+
+storiesMaxSize: size(405px, 720px);
+storiesSlider: MediaSlider(mediaviewPlayback) {
+	width: 2px;
+	seekSize: size(2px, 2px);
+}
+storiesSliderMargin: margins(8px, 7px, 8px, 10px);
+storiesSliderSkip: 4px;
+storiesHeaderMargin: margins(12px, 3px, 12px, 8px);
+storiesHeaderPhoto: UserpicButton(defaultUserpicButton) {
+	size: size(28px, 28px);
+	photoSize: 28px;
+}
+storiesHeaderName: FlatLabel(defaultFlatLabel) {
+	textFg: mediaviewPipControlsFgOver; // #TODO stories
+	style: semiboldTextStyle;
+}
+storiesHeaderNamePosition: point(50px, 2px);
+storiesHeaderDate: FlatLabel(defaultFlatLabel) {
+	textFg: mediaviewPipControlsFg; // #TODO stories
+}
+storiesHeaderDatePosition: point(50px, 19px);
+storiesControlsMinWidth: 200px;
+storiesFieldMargin: margins(0px, 14px, 0px, 16px);
+storiesAttach: IconButton(defaultIconButton) {
+	width: 44px;
+	height: 46px;
+
+	icon: icon {{ "chat/input_attach", historyComposeIconFg }};
+	iconOver: icon {{ "chat/input_attach", historyComposeIconFgOver }};
+
+	rippleAreaPosition: point(2px, 3px);
+	rippleAreaSize: 40px;
+	ripple: RippleAnimation(defaultRippleAnimation) {
+		color: windowBgOver;
+	}
+}
+storiesSideSkip: 145px;

Telegram/SourceFiles/media/view/media_view_overlay_widget.cpp

@@ -1543,6 +1543,14 @@ void OverlayWidget::recountSkipTop() {
 }
 
 void OverlayWidget::resizeContentByScreenSize() {
+	if (_stories) {
+		const auto content = _stories->contentGeometry();
+		_x = content.x();
+		_y = content.y();
+		_w = content.width();
+		_h = content.height();
+		return;
+	}
 	recountSkipTop();
 	const auto availableWidth = width();
 	const auto countZoomFor = [&](int outerw, int outerh) {