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Telegram/SourceFiles/info/info_top_bar.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 "ui/rp_widget.h"
+#include "ui/round_rect.h"
+#include "ui/wrap/fade_wrap.h"
+#include "ui/effects/animations.h"
+#include "ui/effects/numbers_animation.h"
+#include "info/info_wrap_widget.h"
+
+namespace style {
+struct InfoTopBar;
+} // namespace style
+
+namespace Dialogs::Stories {
+class List;
+struct Content;
+} // namespace Dialogs::Stories
+
+namespace Window {
+class SessionNavigation;
+} // namespace Window
+
+namespace Ui {
+class AbstractButton;
+class IconButton;
+class FlatLabel;
+class InputField;
+class SearchFieldController;
+class LabelWithNumbers;
+} // namespace Ui
+
+namespace Info {
+
+class Key;
+class Section;
+
+struct TitleDescriptor {
+	rpl::producer<QString> title;
+	rpl::producer<QString> subtitle;
+};
+
+class TopBar : public Ui::RpWidget {
+public:
+	TopBar(
+		QWidget *parent,
+		not_null<Window::SessionNavigation*> navigation,
+		const style::InfoTopBar &st,
+		SelectedItems &&items);
+
+	[[nodiscard]] auto backRequest() const {
+		return _backClicks.events();
+	}
+	[[nodiscard]] auto storyClicks() const {
+		return _storyClicks.events();
+	}
+
+	void setTitle(TitleDescriptor descriptor);
+	void setStories(rpl::producer<Dialogs::Stories::Content> content);
+	void enableBackButton();
+	void highlight();
+
+	template <typename ButtonWidget>
+	ButtonWidget *addButton(base::unique_qptr<ButtonWidget> button) {
+		auto result = button.get();
+		pushButton(std::move(button));
+		return result;
+	}
+
+	template <typename ButtonWidget>
+	ButtonWidget *addButtonWithVisibility(
+			base::unique_qptr<ButtonWidget> button,
+			rpl::producer<bool> shown) {
+		auto result = button.get();
+		forceButtonVisibility(
+			pushButton(std::move(button)),
+			std::move(shown));
+		return result;
+	}
+
+	void createSearchView(
+		not_null<Ui::SearchFieldController*> controller,
+		rpl::producer<bool> &&shown,
+		bool startsFocused);
+	bool focusSearchField();
+
+	void setSelectedItems(SelectedItems &&items);
+	SelectedItems takeSelectedItems();
+
+	[[nodiscard]] auto selectionActionRequests() const
+		-> rpl::producer<SelectionAction>;
+
+	void finishAnimating() {
+		updateControlsVisibility(anim::type::instant);
+	}
+
+	void showSearch();
+
+	void checkBeforeCloseByEscape(Fn<void()> close);
+
+protected:
+	int resizeGetHeight(int newWidth) override;
+	void paintEvent(QPaintEvent *e) override;
+
+private:
+	void updateControlsGeometry(int newWidth);
+	void updateDefaultControlsGeometry(int newWidth);
+	void updateSelectionControlsGeometry(int newWidth);
+	void updateStoriesGeometry(int newWidth);
+	Ui::FadeWrap<Ui::RpWidget> *pushButton(
+		base::unique_qptr<Ui::RpWidget> button);
+	void forceButtonVisibility(
+		Ui::FadeWrap<Ui::RpWidget> *button,
+		rpl::producer<bool> shown);
+	void removeButton(not_null<Ui::RpWidget*> button);
+	void startHighlightAnimation();
+	void updateControlsVisibility(anim::type animated);
+
+	[[nodiscard]] bool selectionMode() const;
+	[[nodiscard]] bool storiesTitle() const;
+	[[nodiscard]] bool searchMode() const;
+	[[nodiscard]] Ui::StringWithNumbers generateSelectedText() const;
+	[[nodiscard]] bool computeCanDelete() const;
+	[[nodiscard]] bool computeCanForward() const;
+	[[nodiscard]] bool computeCanUnpinStories() const;
+	[[nodiscard]] bool computeCanToggleStoryPin() const;
+	[[nodiscard]] bool computeAllStoriesInProfile() const;
+	void updateSelectionState();
+	void createSelectionControls();
+
+	void performForward();
+	void performDelete();
+	void performToggleStoryPin();
+
+	void setSearchField(
+		base::unique_qptr<Ui::InputField> field,
+		rpl::producer<bool> &&shown,
+		bool startsFocused);
+	void clearSearchField();
+	void createSearchView(
+		not_null<Ui::InputField*> field,
+		rpl::producer<bool> &&shown,
+		bool startsFocused);
+
+	template <typename Callback>
+	void registerUpdateControlCallback(QObject *guard, Callback &&callback);
+
+	template <typename Widget, typename IsVisible>
+	void registerToggleControlCallback(Widget *widget, IsVisible &&callback);
+
+	const not_null<Window::SessionNavigation*> _navigation;
+
+	const style::InfoTopBar &_st;
+	std::optional<Ui::RoundRect> _roundRect;
+	Ui::Animations::Simple _a_highlight;
+	bool _highlight = false;
+	QPointer<Ui::FadeWrap<Ui::IconButton>> _back;
+	std::vector<base::unique_qptr<Ui::RpWidget>> _buttons;
+	QPointer<Ui::FadeWrap<Ui::FlatLabel>> _title;
+	QPointer<Ui::FadeWrap<Ui::FlatLabel>> _subtitle;
+
+	bool _searchModeEnabled = false;
+	bool _searchModeAvailable = false;
+	base::unique_qptr<Ui::RpWidget> _searchView;
+	QPointer<Ui::InputField> _searchField;
+
+	rpl::event_stream<> _backClicks;
+	rpl::event_stream<uint64> _storyClicks;
+
+	SelectedItems _selectedItems;
+	bool _canDelete = false;
+	bool _canForward = false;
+	bool _canToggleStoryPin = false;
+	bool _canUnpinStories = false;
+	bool _allStoriesInProfile = false;
+	QPointer<Ui::FadeWrap<Ui::IconButton>> _cancelSelection;
+	QPointer<Ui::FadeWrap<Ui::LabelWithNumbers>> _selectionText;
+	QPointer<Ui::FadeWrap<Ui::IconButton>> _forward;
+	QPointer<Ui::FadeWrap<Ui::IconButton>> _delete;
+	QPointer<Ui::FadeWrap<Ui::IconButton>> _toggleStoryInProfile;
+	QPointer<Ui::FadeWrap<Ui::IconButton>> _toggleStoryPin;
+	rpl::event_stream<SelectionAction> _selectionActionRequests;
+
+	QPointer<Ui::FadeWrap<Ui::AbstractButton>> _storiesWrap;
+	QPointer<Dialogs::Stories::List> _stories;
+	rpl::lifetime _storiesLifetime;
+	int _storiesCount = 0;
+
+	using UpdateCallback = Fn<bool(anim::type)>;
+	std::map<QObject*, UpdateCallback> _updateControlCallbacks;
+
+};
+
+} // namespace Info