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Telegram/SourceFiles/ui/controls/swipe_handler_data.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
+
+namespace Ui::Controls {
+
+struct SwipeContextData final {
+	[[nodiscard]] bool empty() const {
+		return !ratio
+			&& !reachRatio
+			&& !translation
+			&& !cursorTop;
+	}
+	[[nodiscard]] explicit operator bool() const {
+		return !empty();
+	}
+
+	float64 ratio = 0.;
+	float64 reachRatio = 0.;
+	int64 msgBareId = 0;
+	int translation = 0;
+	int cursorTop = 0;
+};
+
+struct SwipeBackResult final {
+	rpl::lifetime lifetime;
+	Fn<void(SwipeContextData)> callback;
+};
+
+} // namespace Ui::Controls