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Telegram/SourceFiles/info/global_media/info_global_media_widget.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 "info/info_content_widget.h"
+#include "info/media/info_media_widget.h"
+
+namespace Storage {
+enum class SharedMediaType : signed char;
+} // namespace Storage
+
+namespace Info::GlobalMedia {
+
+class InnerWidget;
+
+class Memento final : public ContentMemento {
+public:
+	Memento(not_null<Controller*> controller);
+	Memento(not_null<UserData*> self, Storage::SharedMediaType type);
+	~Memento();
+
+	object_ptr<ContentWidget> createWidget(
+		QWidget *parent,
+		not_null<Controller*> controller,
+		const QRect &geometry) override;
+
+	Section section() const override;
+
+	[[nodiscard]] Media::Memento &media() {
+		return _media;
+	}
+	[[nodiscard]] const Media::Memento &media() const {
+		return _media;
+	}
+
+private:
+	Media::Memento _media;
+
+};
+
+class Widget final : public ContentWidget {
+public:
+	Widget(QWidget *parent, not_null<Controller*> controller);
+
+	bool showInternal(
+		not_null<ContentMemento*> memento) override;
+
+	void setInternalState(
+		const QRect &geometry,
+		not_null<Memento*> memento);
+
+	rpl::producer<SelectedItems> selectedListValue() const override;
+	void selectionAction(SelectionAction action) override;
+
+	void fillTopBarMenu(const Ui::Menu::MenuCallback &addAction) override;
+
+	rpl::producer<QString> title() override;
+
+private:
+	void saveState(not_null<Memento*> memento);
+	void restoreState(not_null<Memento*> memento);
+
+	std::shared_ptr<ContentMemento> doCreateMemento() override;
+
+	InnerWidget *_inner = nullptr;
+
+};
+
+[[nodiscard]] std::shared_ptr<Info::Memento> Make(
+	not_null<UserData*> self,
+	Storage::SharedMediaType type);
+
+} // namespace Info::GlobalMedia