88 lines
		
	
	
	
		
			2.3 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			88 lines
		
	
	
	
		
			2.3 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
/*
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This file is part of Telegram Desktop,
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the official desktop application for the Telegram messaging service.
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For license and copyright information please follow this link:
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https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
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*/
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#pragma once
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#include "boxes/abstract_box.h"
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#include "base/binary_guard.h"
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#include "history/admin_log/history_admin_log_item.h"
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#include "history/view/history_view_element.h"
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#include "ui/effects/animations.h"
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#include "ui/effects/radial_animation.h"
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#include "data/data_wall_paper.h"
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namespace Data {
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class DocumentMedia;
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} // namespace Data
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namespace Window {
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class SessionController;
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} // namespace Window
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namespace Ui {
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class Checkbox;
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class ChatStyle;
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} // namespace Ui
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class BackgroundPreviewBox
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	: public Ui::BoxContent
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	, private HistoryView::SimpleElementDelegate {
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public:
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	BackgroundPreviewBox(
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		QWidget*,
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		not_null<Window::SessionController*> controller,
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		const Data::WallPaper &paper);
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	static bool Start(
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		not_null<Window::SessionController*> controller,
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		const QString &slug,
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		const QMap<QString, QString> ¶ms);
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protected:
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	void prepare() override;
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	void paintEvent(QPaintEvent *e) override;
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private:
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	using Element = HistoryView::Element;
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	not_null<HistoryView::ElementDelegate*> delegate();
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	HistoryView::Context elementContext() override;
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	void apply();
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	void share();
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	void radialAnimationCallback(crl::time now);
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	QRect radialRect() const;
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	void generateBackground();
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	void checkLoadedDocument();
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	void setScaledFromThumb();
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	void setScaledFromImage(QImage &&image, QImage &&blurred);
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	void updateServiceBg(const std::vector<QColor> &bg);
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	void paintImage(Painter &p);
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	void paintRadial(Painter &p);
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	void paintTexts(Painter &p, crl::time ms);
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	void paintDate(Painter &p);
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	void createBlurCheckbox();
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	int textsTop() const;
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	void startFadeInFrom(QPixmap previous);
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	void checkBlurAnimationStart();
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	const not_null<Window::SessionController*> _controller;
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	std::unique_ptr<Ui::ChatStyle> _chatStyle;
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	AdminLog::OwnedItem _text1;
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	AdminLog::OwnedItem _text2;
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	Data::WallPaper _paper;
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	std::shared_ptr<Data::DocumentMedia> _media;
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	QImage _full;
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	QPixmap _generated, _scaled, _blurred, _fadeOutThumbnail;
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	Ui::Animations::Simple _fadeIn;
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	Ui::RadialAnimation _radial;
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	base::binary_guard _generating;
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	std::optional<QColor> _serviceBg;
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	object_ptr<Ui::Checkbox> _blur = { nullptr };
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};
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