Implement channel stories views / reactions.

Telegram/SourceFiles/data/data_changes.h

@@ -221,14 +221,14 @@ struct StoryUpdate {
 	enum class Flag : uint32 {
 		None = 0,
 
-		Edited      = (1U << 0),
-		Destroyed   = (1U << 1),
-		NewAdded    = (1U << 2),
-		ViewsAdded  = (1U << 3),
-		MarkRead    = (1U << 4),
-		Reaction    = (1U << 5),
+		Edited       = (1U << 0),
+		Destroyed    = (1U << 1),
+		NewAdded     = (1U << 2),
+		ViewsChanged = (1U << 3),
+		MarkRead     = (1U << 4),
+		Reaction     = (1U << 5),
 
-		LastUsedBit = (1U << 5),
+		LastUsedBit  = (1U << 5),
 	};
 	using Flags = base::flags<Flag>;
 	friend inline constexpr auto is_flag_type(Flag) { return true; }

Telegram/SourceFiles/data/data_story.cpp

@@ -410,8 +410,17 @@ Data::ReactionId Story::sentReactionId() const {
 
 void Story::setReactionId(Data::ReactionId id) {
 	if (_sentReactionId != id) {
+		const auto wasEmpty = _sentReactionId.empty();
 		_sentReactionId = id;
-		session().changes().storyUpdated(this, UpdateFlag::Reaction);
+		auto flags = UpdateFlag::Reaction | UpdateFlag();
+		if (_views.known && _sentReactionId.empty() != wasEmpty) {
+			const auto delta = wasEmpty ? 1 : -1;
+			if (_views.reactions + delta >= 0) {
+				_views.reactions += delta;
+				flags |= UpdateFlag::ViewsChanged;
+			}
+		}
+		session().changes().storyUpdated(this, flags);
 	}
 }
 
@@ -438,6 +447,7 @@ void Story::applyViewsSlice(
 		|| (_views.total != slice.total);
 	_views.reactions = slice.reactions;
 	_views.total = slice.total;
+	_views.known = true;
 	if (offset.isEmpty()) {
 		_views = slice;
 	} else if (_views.nextOffset == offset) {
@@ -468,14 +478,14 @@ void Story::applyViewsSlice(
 				// Count not changed, but list of recent viewers changed.
 				_peer->session().changes().storyUpdated(
 					this,
-					UpdateFlag::ViewsAdded);
+					UpdateFlag::ViewsChanged);
 			}
 		}
 	}
 	if (changed) {
 		_peer->session().changes().storyUpdated(
 			this,
-			UpdateFlag::ViewsAdded);
+			UpdateFlag::ViewsChanged);
 	}
 }
 
@@ -528,9 +538,11 @@ void Story::applyFields(
 	auto views = _views.total;
 	auto reactions = _views.reactions;
 	auto viewers = std::vector<not_null<PeerData*>>();
+	auto viewsKnown = _views.known;
 	if (const auto info = data.vviews()) {
 		views = info->data().vviews_count().v;
 		reactions = info->data().vreactions_count().value_or_empty();
+		viewsKnown = true;
 		if (const auto list = info->data().vrecent_viewers()) {
 			viewers.reserve(list->v.size());
 			auto &owner = _peer->owner();
@@ -577,8 +589,14 @@ void Story::applyFields(
 	_edited = edited;
 	_pinned = pinned;
 	_noForwards = noForwards;
-	if (_views.reactions != reactions || _views.total != views) {
-		_views = StoryViews{ .reactions = reactions, .total = views };
+	if (_views.reactions != reactions
+		|| _views.total != views
+		|| _views.known != viewsKnown) {
+		_views = StoryViews{
+			.reactions = reactions,
+			.total = views,
+			.known = viewsKnown,
+		};
 	}
 	if (viewsChanged) {
 		_recentViewers = std::move(viewers);
@@ -607,7 +625,7 @@ void Story::applyFields(
 	if (!initial && (changed || viewsChanged || reactionChanged)) {
 		_peer->session().changes().storyUpdated(this, UpdateFlag()
 			| (changed ? UpdateFlag::Edited : UpdateFlag())
-			| (viewsChanged ? UpdateFlag::ViewsAdded : UpdateFlag())
+			| (viewsChanged ? UpdateFlag::ViewsChanged : UpdateFlag())
 			| (reactionChanged ? UpdateFlag::Reaction : UpdateFlag()));
 	}
 	if (!initial && (captionChanged || mediaChanged)) {

Telegram/SourceFiles/data/data_story.h

@@ -71,6 +71,7 @@ struct StoryViews {
 	QString nextOffset;
 	int reactions = 0;
 	int total = 0;
+	bool known = false;
 };
 
 struct StoryArea {

Telegram/SourceFiles/lang/lang_tag.cpp

@@ -937,6 +937,10 @@ ShortenedCount FormatCountToShort(int64 number) {
 	return result;
 }
 
+QString FormatCountDecimal(int64 number) {
+	return QString("%L1").arg(number);
+}
+
 PluralResult Plural(
 		ushort keyBase,
 		float64 value,
@@ -973,7 +977,7 @@ PluralResult Plural(
 		if (type == lt_count_short) {
 			return { shift, shortened.string };
 		} else if (type == lt_count_decimal) {
-			return { shift, QString("%L1").arg(round) };
+			return { shift, FormatCountDecimal(round) };
 		}
 		return { shift, QString::number(round) };
 	}

Telegram/SourceFiles/lang/lang_tag.h

@@ -14,13 +14,16 @@ namespace Lang {
 inline constexpr auto kTextCommandLangTag = 0x20;
 constexpr auto kTagReplacementSize = 4;
 
-int FindTagReplacementPosition(const QString &original, ushort tag);
+[[nodiscard]] int FindTagReplacementPosition(
+	const QString &original, 
+	ushort tag);
 
 struct ShortenedCount {
 	int64 number = 0;
 	QString string;
 };
-ShortenedCount FormatCountToShort(int64 number);
+[[nodiscard]] ShortenedCount FormatCountToShort(int64 number);
+[[nodiscard]] QString FormatCountDecimal(int64 number);
 
 struct PluralResult {
 	int keyShift = 0;

Telegram/SourceFiles/media/stories/media_stories_controller.cpp

@@ -855,24 +855,32 @@ void Controller::show(
 	if (!changeShown(story)) {
 		return;
 	}
-	_viewed = false;
-	invalidate_weak_ptrs(&_viewsLoadGuard);
-	_reactions->hide();
-	if (_replyArea->focused()) {
-		unfocusReply();
-	}
 
 	_replyArea->show({
 		.peer = unsupported ? nullptr : peer.get(),
 		.id = story->id(),
 	}, _reactions->likedValue());
 
+	const auto wasLikeButton = QPointer(_recentViews->likeButton());
 	_recentViews->show({
 		.list = story->recentViewers(),
 		.reactions = story->reactions(),
 		.total = story->views(),
-		.valid = peer->isSelf(),
-	});
+		.self = peer->isSelf(),
+		.channel = peer->isChannel(),
+	}, _reactions->likedValue());
+	if (const auto nowLikeButton = _recentViews->likeButton()) {
+		if (wasLikeButton != nowLikeButton) {
+			_reactions->attachToReactionButton(nowLikeButton);
+		}
+	}
+
+	if (peer->isSelf() || peer->isChannel()) {
+		_reactions->setReactionIconWidget(_recentViews->likeIconWidget());
+	} else if (const auto like = _replyArea->likeAnimationTarget()) {
+		_reactions->setReactionIconWidget(like);
+	}
+	_reactions->showLikeFrom(story);
 
 	stories.loadAround(storyId, context);
 
@@ -906,7 +914,6 @@ bool Controller::changeShown(Data::Story *story) {
 			story,
 			Data::Stories::Polling::Viewer);
 	}
-	_reactions->showLikeFrom(story);
 
 	const auto &locations = story
 		? story->locations()
@@ -923,6 +930,14 @@ bool Controller::changeShown(Data::Story *story) {
 		_areas.clear();
 	}
 
+	_viewed = false;
+	invalidate_weak_ptrs(&_viewsLoadGuard);
+	_reactions->hide();
+	_reactions->setReactionIconWidget(nullptr);
+	if (_replyArea->focused()) {
+		unfocusReply();
+	}
+
 	return true;
 }
 
@@ -947,7 +962,7 @@ void Controller::subscribeToSession() {
 	}, _sessionLifetime);
 	_session->changes().storyUpdates(
 		Data::StoryUpdate::Flag::Edited
-		| Data::StoryUpdate::Flag::ViewsAdded
+		| Data::StoryUpdate::Flag::ViewsChanged
 	) | rpl::filter([=](const Data::StoryUpdate &update) {
 		return (update.story == this->story());
 	}) | rpl::start_with_next([=](const Data::StoryUpdate &update) {
@@ -959,7 +974,8 @@ void Controller::subscribeToSession() {
 				.list = update.story->recentViewers(),
 				.reactions = update.story->reactions(),
 				.total = update.story->views(),
-				.valid = update.story->peer()->isSelf(),
+				.self = update.story->peer()->isSelf(),
+				.channel = update.story->peer()->isChannel(),
 			});
 		}
 	}, _sessionLifetime);

Telegram/SourceFiles/media/stories/media_stories_reactions.cpp

@@ -445,7 +445,8 @@ void Reactions::Panel::collapse(Mode mode) {
 	}
 }
 
-void Reactions::Panel::attachToReactionButton(not_null<Ui::RpWidget*> button) {
+void Reactions::Panel::attachToReactionButton(
+		not_null<Ui::RpWidget*> button) {
 	base::install_event_filter(button, [=](not_null<QEvent*> e) {
 		if (e->type() == QEvent::ContextMenu && !button->isHidden()) {
 			show(Reactions::Mode::Reaction);
@@ -662,10 +663,17 @@ void Reactions::setReplyFieldState(
 }
 
 void Reactions::attachToReactionButton(not_null<Ui::RpWidget*> button) {
-	_likeButton = button;
 	_panel->attachToReactionButton(button);
 }
 
+void Reactions::setReactionIconWidget(Ui::RpWidget *widget) {
+	if (_likeIconWidget != widget) {
+		assignLikedId({});
+		_likeIconWidget = widget;
+		_reactionAnimation = nullptr;
+	}
+}
+
 auto Reactions::attachToMenu(
 	not_null<Ui::PopupMenu*> menu,
 	QPoint desiredPosition)
@@ -751,7 +759,7 @@ void Reactions::ready() {
 void Reactions::animateAndProcess(Chosen &&chosen) {
 	const auto like = (chosen.mode == Mode::Reaction);
 	const auto wrap = _controller->wrap();
-	const auto target = like ? _likeButton : wrap.get();
+	const auto target = like ? _likeIconWidget : wrap.get();
 	const auto story = _controller->story();
 	if (!story || !target) {
 		return;
@@ -796,7 +804,7 @@ Fn<void(Ui::ReactionFlyCenter)> Reactions::setLikedIdIconInit(
 		return nullptr;
 	}
 	assignLikedId(id);
-	if (id.empty() || !_likeButton) {
+	if (id.empty() || !_likeIconWidget) {
 		return nullptr;
 	}
 	return crl::guard(&_likeIconGuard, [=](Ui::ReactionFlyCenter center) {
@@ -812,12 +820,12 @@ void Reactions::initLikeIcon(
 		not_null<Data::Session*> owner,
 		Data::ReactionId id,
 		Ui::ReactionFlyCenter center) {
-	Expects(_likeButton != nullptr);
+	Expects(_likeIconWidget != nullptr);
 
-	_likeIcon = std::make_unique<Ui::RpWidget>(_likeButton);
+	_likeIcon = std::make_unique<Ui::RpWidget>(_likeIconWidget);
 	const auto icon = _likeIcon.get();
 	icon->show();
-	_likeButton->sizeValue() | rpl::start_with_next([=](QSize size) {
+	_likeIconWidget->sizeValue() | rpl::start_with_next([=](QSize size) {
 		icon->setGeometry(QRect(QPoint(), size));
 	}, icon->lifetime());
 

Telegram/SourceFiles/media/stories/media_stories_reactions.h

@@ -83,6 +83,7 @@ public:
 		rpl::producer<bool> focused,
 		rpl::producer<bool> hasSendText);
 	void attachToReactionButton(not_null<Ui::RpWidget*> button);
+	void setReactionIconWidget(Ui::RpWidget *widget);
 
 	using AttachStripResult = HistoryView::Reactions::AttachSelectorResult;
 	[[nodiscard]] AttachStripResult attachToMenu(
@@ -123,7 +124,7 @@ private:
 	bool _replyFocused = false;
 	bool _hasSendText = false;
 
-	Ui::RpWidget *_likeButton = nullptr;
+	Ui::RpWidget *_likeIconWidget = nullptr;
 	rpl::variable<Data::ReactionId> _liked;
 	base::has_weak_ptr _likeIconGuard;
 	std::unique_ptr<Ui::RpWidget> _likeIcon;

Telegram/SourceFiles/media/stories/media_stories_recent_views.cpp

@@ -18,6 +18,7 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 #include "ui/chat/group_call_userpics.h"
 #include "ui/controls/who_reacted_context_action.h"
 #include "ui/layers/box_content.h"
+#include "ui/widgets/buttons.h"
 #include "ui/widgets/popup_menu.h"
 #include "ui/painter.h"
 #include "ui/rp_widget.h"
@@ -128,7 +129,24 @@ RecentViews::RecentViews(not_null<Controller*> controller)
 
 RecentViews::~RecentViews() = default;
 
-void RecentViews::show(RecentViewsData data) {
+void RecentViews::show(
+		RecentViewsData data,
+		rpl::producer<Data::ReactionId> likedValue) {
+	const auto guard = gsl::finally([&] {
+		if (_likeIcon && likedValue) {
+			std::move(
+				likedValue
+			) | rpl::map([](const Data::ReactionId &id) {
+				return !id.empty();
+			}) | rpl::start_with_next([=](bool liked) {
+				const auto icon = liked
+					? &st::storiesComposeControls.liked
+					: &st::storiesLikesIcon;
+				_likeIcon->setIconOverride(icon, icon);
+			}, _likeIcon->lifetime());
+		}
+	});
+
 	if (_data == data) {
 		return;
 	}
@@ -137,27 +155,49 @@ void RecentViews::show(RecentViewsData data) {
 		|| (_data.reactions != data.reactions);
 	const auto usersChanged = !_userpics || (_data.list != data.list);
 	_data = data;
-	if (!_data.valid) {
+	if (!_data.self) {
 		_text = {};
 		_clickHandlerLifetime.destroy();
 		_userpicsLifetime.destroy();
 		_userpics = nullptr;
 		_widget = nullptr;
-		return;
+	} else {
+		if (!_widget) {
+			setupWidget();
+		}
+		if (!_userpics) {
+			setupUserpics();
+		}
+		if (countersChanged) {
+			updateText();
+		}
+		if (usersChanged) {
+			updateUserpics();
+		}
+		refreshClickHandler();
 	}
-	if (!_widget) {
-		setupWidget();
+
+	if (!_data.channel) {
+		_likeIcon = nullptr;
+		_likeWrap = nullptr;
+		_viewsWrap = nullptr;
+	} else {
+		_viewsCounter = Lang::FormatCountDecimal(std::max(_data.total, 1));
+		_likesCounter = _data.reactions
+			? Lang::FormatCountDecimal(_data.reactions)
+			: QString();
+		if (!_likeWrap || !_likeIcon || !_viewsWrap) {
+			setupViewsReactions();
+		}
 	}
-	if (!_userpics) {
-		setupUserpics();
-	}
-	if (countersChanged) {
-		updateText();
-	}
-	if (usersChanged) {
-		updateUserpics();
-	}
-	refreshClickHandler();
+}
+
+Ui::RpWidget *RecentViews::likeButton() const {
+	return _likeWrap.get();
+}
+
+Ui::RpWidget *RecentViews::likeIconWidget() const {
+	return _likeIcon.get();
 }
 
 void RecentViews::refreshClickHandler() {
@@ -236,6 +276,74 @@ void RecentViews::setupWidget() {
 	}, raw->lifetime());
 }
 
+void RecentViews::setupViewsReactions() {
+	_viewsWrap = std::make_unique<Ui::RpWidget>(_controller->wrap());
+	_likeWrap = std::make_unique<Ui::AbstractButton>(_controller->wrap());
+	_likeIcon = std::make_unique<Ui::IconButton>(
+		_likeWrap.get(),
+		st::storiesComposeControls.like);
+	_likeIcon->setAttribute(Qt::WA_TransparentForMouseEvents);
+
+	_controller->layoutValue(
+	) | rpl::start_with_next([=](const Layout &layout) {
+		_outer = layout.views;
+		updateViewsReactionsGeometry();
+	}, _likeWrap->lifetime());
+
+	const auto views = Ui::CreateChild<Ui::FlatLabel>(
+		_viewsWrap.get(),
+		_viewsCounter.value(),
+		st::storiesViewsText);
+	views->show();
+	views->setAttribute(Qt::WA_TransparentForMouseEvents);
+	views->move(st::storiesViewsTextPosition);
+
+	views->widthValue(
+	) | rpl::start_with_next([=](int width) {
+		_viewsWrap->resize(views->x() + width, _likeIcon->height());
+		updateViewsReactionsGeometry();
+	}, _viewsWrap->lifetime());
+	_viewsWrap->paintRequest() | rpl::start_with_next([=] {
+		auto p = QPainter(_viewsWrap.get());
+		const auto &icon = st::storiesViewsIcon;
+		const auto top = (_viewsWrap->height() - icon.height()) / 2;
+		icon.paint(p, 0, top, _viewsWrap->width());
+	}, _viewsWrap->lifetime());
+
+	_likeIcon->move(0, 0);
+	const auto likes = Ui::CreateChild<Ui::FlatLabel>(
+		_likeWrap.get(),
+		_likesCounter.value(),
+		st::storiesLikesText);
+	likes->show();
+	likes->setAttribute(Qt::WA_TransparentForMouseEvents);
+	likes->move(st::storiesLikesTextPosition);
+
+	likes->widthValue(
+	) | rpl::start_with_next([=](int width) {
+		width += width
+			? st::storiesLikesTextRightSkip
+			: st::storiesLieksEmptyRightSkip;
+		_likeWrap->resize(likes->x() + width, _likeIcon->height());
+		updateViewsReactionsGeometry();
+	}, _likeWrap->lifetime());
+
+	_viewsWrap->show();
+	_likeIcon->show();
+	_likeWrap->show();
+
+	_likeWrap->setClickedCallback([=] {
+		_controller->toggleLiked();
+	});
+}
+
+void RecentViews::updateViewsReactionsGeometry() {
+	_viewsWrap->move(_outer.topLeft() + st::storiesViewsPosition);
+	_likeWrap->move(_outer.topLeft()
+		+ QPoint(_outer.width() - _likeWrap->width(), 0)
+		+ st::storiesLikesPosition);
+}
+
 void RecentViews::updatePartsGeometry() {
 	const auto skip = st::storiesRecentViewsSkip;
 	const auto full = _userpicsWidth + skip + _text.maxWidth();

Telegram/SourceFiles/media/stories/media_stories_recent_views.h

@@ -13,9 +13,12 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 
 namespace Data {
 struct StoryView;
+struct ReactionId;
 } // namespace Data
 
 namespace Ui {
+class AbstractButton;
+class IconButton;
 class RpWidget;
 class GroupCallUserpics;
 class PopupMenu;
@@ -34,7 +37,8 @@ struct RecentViewsData {
 	std::vector<not_null<PeerData*>> list;
 	int reactions = 0;
 	int total = 0;
-	bool valid = false;
+	bool self = false;
+	bool channel = false;
 
 	friend inline auto operator<=>(
 		const RecentViewsData &,
@@ -49,7 +53,12 @@ public:
 	explicit RecentViews(not_null<Controller*> controller);
 	~RecentViews();
 
-	void show(RecentViewsData data);
+	void show(
+		RecentViewsData data,
+		rpl::producer<Data::ReactionId> likedValue = nullptr);
+
+	[[nodiscard]] Ui::RpWidget *likeButton() const;
+	[[nodiscard]] Ui::RpWidget *likeIconWidget() const;
 
 private:
 	struct MenuEntry {
@@ -69,6 +78,9 @@ private:
 	void updatePartsGeometry();
 	void showMenu();
 
+	void setupViewsReactions();
+	void updateViewsReactionsGeometry();
+
 	void addMenuRow(Data::StoryView entry, const QDateTime &now);
 	void addMenuRowPlaceholder(not_null<Main::Session*> session);
 	void rebuildMenuTail();
@@ -83,6 +95,12 @@ private:
 	RecentViewsData _data;
 	rpl::lifetime _userpicsLifetime;
 
+	rpl::variable<QString> _viewsCounter;
+	rpl::variable<QString> _likesCounter;
+	std::unique_ptr<Ui::RpWidget> _viewsWrap;
+	std::unique_ptr<Ui::AbstractButton> _likeWrap;
+	std::unique_ptr<Ui::IconButton> _likeIcon;
+
 	base::unique_qptr<Ui::PopupMenu> _menu;
 	rpl::lifetime _menuShortLifetime;
 	std::vector<MenuEntry> _menuEntries;

Telegram/SourceFiles/media/view/media_view.style

@@ -991,3 +991,20 @@ storiesStealthBoxBottom: 11px;
 storiesStealthToast: Toast(defaultMultilineToast) {
 	maxWidth: 340px;
 }
+
+storiesViewsPosition: point(4px, 29px);
+storiesViewsIcon: icon{{ "mediaview/views", storiesComposeGrayText }};
+storiesViewsText: FlatLabel(defaultFlatLabel) {
+	textFg: storiesComposeGrayText;
+}
+storiesViewsTextPosition: point(26px, 14px);
+
+storiesLikesPosition: point(0px, 29px);
+storiesLikesIcon: icon {{ "chat/input_like", storiesComposeWhiteText }};
+storiesLikesText: FlatLabel(defaultFlatLabel) {
+	textFg: storiesComposeWhiteText;
+	style: semiboldTextStyle;
+}
+storiesLikesTextPosition: point(41px, 14px);
+storiesLikesTextRightSkip: 8px;
+storiesLieksEmptyRightSkip: 2px;

Telegram/SourceFiles/ui/boxes/edit_invite_link.cpp

@@ -213,7 +213,7 @@ void EditInviteLinkBox(
 				? tr::lng_group_invite_usage_any(tr::now)
 				: !limit
 				? tr::lng_group_invite_usage_custom(tr::now)
-				: QString("%L1").arg(limit);
+				: Lang::FormatCountDecimal(limit);
 			state->usageButtons.emplace(
 				limit,
 				addButton(usagesWrap, usageGroup, limit, text));