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Telegram/SourceFiles/ui/controls/download_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/wrap/slide_wrap.h"
+#include "ui/effects/radial_animation.h"
+#include "ui/widgets/shadow.h"
+#include "ui/text/text.h"
+
+namespace Ui {
+
+class RippleButton;
+
+struct DownloadBarProgress {
+	int64 ready = 0;
+	int64 total = 0;
+};
+
+struct DownloadBarContent {
+	TextWithEntities singleName;
+	QImage singleThumbnail;
+	int count = 0;
+	int done = 0;
+};
+
+class DownloadBar final {
+public:
+	DownloadBar(
+		not_null<QWidget*> parent,
+		rpl::producer<DownloadBarProgress> progress);
+	~DownloadBar();
+
+	void show(DownloadBarContent &&content);
+
+	[[nodiscard]] bool isHidden() const;
+	[[nodiscard]] int height() const;
+	[[nodiscard]] rpl::producer<int> heightValue() const;
+	[[nodiscard]] rpl::producer<bool> shownValue() const;
+	void setGeometry(int left, int top, int width, int height);
+
+	[[nodiscard]] rpl::producer<> clicks() const;
+
+	[[nodiscard]] rpl::lifetime &lifetime();
+
+private:
+	void paint(Painter &p, QRect clip);
+	void refreshIcon();
+	void refreshThumbnail();
+	void refreshInfo(const DownloadBarProgress &progress);
+	void radialAnimationCallback(crl::time now);
+	[[nodiscard]] float64 computeProgress() const;
+
+	SlideWrap<RippleButton> _button;
+	PlainShadow _shadow;
+	DownloadBarContent _content;
+	rpl::variable<DownloadBarProgress> _progress;
+	Ui::Animations::Simple _finishedAnimation;
+	bool _finished = false;
+	QImage _documentIconLarge;
+	QImage _documentIcon;
+	QImage _documentIconDone;
+	qint64 _thumbnailCacheKey = 0;
+	QImage _thumbnailLarge;
+	QImage _thumbnail;
+	QImage _thumbnailDone;
+	Text::String _title;
+	Text::String _info;
+	RadialAnimation _radial;
+
+};
+
+} // namespace Ui