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Telegram/SourceFiles/boxes/background_box.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/layers/box_content.h"
+
+class PeerData;
+
+namespace Window {
+class SessionController;
+} // namespace Window
+
+namespace Data {
+class WallPaper;
+} // namespace Data
+
+class BackgroundBox : public Ui::BoxContent {
+public:
+	BackgroundBox(
+		QWidget*,
+		not_null<Window::SessionController*> controller,
+		PeerData *forPeer = nullptr);
+
+protected:
+	void prepare() override;
+
+private:
+	class Inner;
+
+	void chosen(const Data::WallPaper &paper);
+	[[nodiscard]] bool hasDefaultForPeer() const;
+	[[nodiscard]] bool chosenDefaultForPeer(
+		const Data::WallPaper &paper) const;
+	void removePaper(const Data::WallPaper &paper);
+	void resetForPeer();
+	[[nodiscard]] bool forChannel() const;
+
+	void chooseFromFile();
+
+	const not_null<Window::SessionController*> _controller;
+
+	QPointer<Inner> _inner;
+	PeerData *_forPeer = nullptr;
+
+};