73 lines
1.8 KiB
C++
73 lines
1.8 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 "lottie/lottie_player.h"
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#include "lottie/lottie_animation.h"
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#include "base/timer.h"
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#include <rpl/event_stream.h>
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namespace Lottie {
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class FrameRenderer;
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struct DisplayFrameRequest {
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};
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struct Update {
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base::variant<
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Information,
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DisplayFrameRequest> data;
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};
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class SinglePlayer final : public Player {
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public:
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SinglePlayer(
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const QByteArray &content,
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const FrameRequest &request,
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std::shared_ptr<FrameRenderer> renderer = nullptr);
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SinglePlayer(
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FnMut<void(FnMut<void(QByteArray &&cached)>)> get, // Main thread.
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FnMut<void(QByteArray &&cached)> put, // Unknown thread.
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const QByteArray &content,
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const FrameRequest &request,
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std::shared_ptr<FrameRenderer> renderer = nullptr);
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~SinglePlayer();
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void start(
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not_null<Animation*> animation,
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std::unique_ptr<SharedState> state) override;
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void failed(not_null<Animation*> animation, Error error) override;
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void updateFrameRequest(
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not_null<const Animation*> animation,
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const FrameRequest &request) override;
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void markFrameShown() override;
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void checkStep() override;
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rpl::producer<Update, Error> updates() const;
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[[nodiscard]] bool ready() const;
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[[nodiscard]] QImage frame(const FrameRequest &request) const;
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private:
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void checkNextFrameAvailability();
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void checkNextFrameRender();
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Animation _animation;
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base::Timer _timer;
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const std::shared_ptr<FrameRenderer> _renderer;
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SharedState *_state = nullptr;
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crl::time _nextFrameTime = kTimeUnknown;
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rpl::event_stream<Update, Error> _updates;
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rpl::lifetime _lifetime;
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};
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} // namespace Lottie
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