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Telegram/lib_lottie/lottie/lottie_player.h

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+// This file is part of Desktop App Toolkit,
+// a set of libraries for developing nice desktop applications.
+//
+// For license and copyright information please follow this link:
+// https://github.com/desktop-app/legal/blob/master/LEGAL
+//
+#pragma once
+
+#include "lottie/lottie_common.h"
+#include "base/weak_ptr.h"
+
+#include <rpl/producer.h>
+
+namespace Lottie {
+
+class SharedState;
+
+class Player : public base::has_weak_ptr {
+public:
+	virtual void start(
+		not_null<Animation*> animation,
+		std::unique_ptr<SharedState> state) = 0;
+	virtual void failed(not_null<Animation*> animation, Error error) = 0;
+	virtual void updateFrameRequest(
+		not_null<const Animation*> animation,
+		const FrameRequest &request) = 0;
+	virtual bool markFrameShown() = 0;
+	virtual void checkStep() = 0;
+
+	virtual ~Player() = default;
+
+};
+
+} // namespace Lottie