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Telegram/SourceFiles/media/stories/media_stories_reactions.h

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+/*
+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 "data/data_message_reaction_id.h"
+#include "ui/effects/animations.h"
+
+namespace Data {
+class DocumentMedia;
+struct ReactionId;
+class Session;
+class Story;
+struct SuggestedReaction;
+struct WeatherArea;
+} // namespace Data
+
+namespace HistoryView::Reactions {
+class Selector;
+struct ChosenReaction;
+enum class AttachSelectorResult;
+} // namespace HistoryView::Reactions
+
+namespace Ui {
+class RpWidget;
+struct ReactionFlyAnimationArgs;
+struct ReactionFlyCenter;
+class EmojiFlyAnimation;
+class PopupMenu;
+} // namespace Ui
+
+namespace Media::Stories {
+
+class Controller;
+
+enum class ReactionsMode {
+	Message,
+	Reaction,
+};
+
+class StoryAreaView {
+public:
+	virtual ~StoryAreaView() = default;
+
+	virtual void setAreaGeometry(QRect geometry, float64 radius) = 0;
+	virtual void updateReactionsCount(int count) = 0;
+	virtual void playEffect() = 0;
+	virtual bool contains(QPoint point) = 0;
+};
+
+class Reactions final {
+public:
+	explicit Reactions(not_null<Controller*> controller);
+	~Reactions();
+
+	using Mode = ReactionsMode;
+
+	template <typename Reaction>
+	struct ChosenWrap {
+		Reaction reaction;
+		Mode mode;
+	};
+	using Chosen = ChosenWrap<HistoryView::Reactions::ChosenReaction>;
+
+	[[nodiscard]] rpl::producer<bool> activeValue() const;
+	[[nodiscard]] rpl::producer<Chosen> chosen() const;
+
+	[[nodiscard]] Data::ReactionId liked() const;
+	[[nodiscard]] rpl::producer<Data::ReactionId> likedValue() const;
+	void showLikeFrom(Data::Story *story);
+
+	void hide();
+	void outsidePressed();
+	void toggleLiked();
+	void applyLike(Data::ReactionId id);
+	void ready();
+
+	[[nodiscard]] auto makeSuggestedReactionWidget(
+		const Data::SuggestedReaction &reaction)
+	-> std::unique_ptr<StoryAreaView>;
+	[[nodiscard]] auto makeWeatherAreaWidget(
+		const Data::WeatherArea &data,
+		rpl::producer<bool> weatherInCelsius)
+	-> std::unique_ptr<StoryAreaView>;
+
+	void setReplyFieldState(
+		rpl::producer<bool> focused,
+		rpl::producer<bool> hasSendText);
+	void attachToReactionButton(not_null<Ui::RpWidget*> button);
+	void setReactionIconWidget(Ui::RpWidget *widget);
+
+	void animateAndProcess(Chosen &&chosen);
+
+	using AttachStripResult = HistoryView::Reactions::AttachSelectorResult;
+	[[nodiscard]] AttachStripResult attachToMenu(
+		not_null<Ui::PopupMenu*> menu,
+		QPoint desiredPosition);
+
+private:
+	class Panel;
+
+	void assignLikedId(Data::ReactionId id);
+	[[nodiscard]] Fn<void(Ui::ReactionFlyCenter)> setLikedIdIconInit(
+		not_null<Data::Session*> owner,
+		Data::ReactionId id,
+		bool force = false);
+	void setLikedIdFrom(Data::Story *story);
+	void setLikedId(
+		not_null<Data::Session*> owner,
+		Data::ReactionId id,
+		bool force = false);
+	void startReactionAnimation(
+		Ui::ReactionFlyAnimationArgs from,
+		not_null<QWidget*> target,
+		Fn<void(Ui::ReactionFlyCenter)> done = nullptr);
+	void waitForLikeIcon(
+		not_null<Data::Session*> owner,
+		Data::ReactionId id);
+	void initLikeIcon(
+		not_null<Data::Session*> owner,
+		Data::ReactionId id,
+		Ui::ReactionFlyCenter center);
+
+	const not_null<Controller*> _controller;
+	const std::unique_ptr<Panel> _panel;
+
+	rpl::event_stream<Chosen> _chosen;
+	bool _replyFocused = false;
+	bool _hasSendText = false;
+
+	Ui::RpWidget *_likeIconWidget = nullptr;
+	rpl::variable<Data::ReactionId> _liked;
+	base::has_weak_ptr _likeIconGuard;
+	std::unique_ptr<Ui::RpWidget> _likeIcon;
+	std::shared_ptr<Data::DocumentMedia> _likeIconMedia;
+
+	std::unique_ptr<Ui::EmojiFlyAnimation> _reactionAnimation;
+
+	rpl::lifetime _likeIconWaitLifetime;
+	rpl::lifetime _likeFromLifetime;
+	rpl::lifetime _lifetime;
+
+};
+
+} // namespace Media::Stories