tdesktop/Telegram/SourceFiles/lottie/lottie_multi_player.h

115 lines
3.3 KiB
C++

/*
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 "lottie/lottie_player.h"
#include "base/timer.h"
#include "base/algorithm.h"
#include "base/flat_set.h"
#include "base/flat_map.h"
#include <rpl/event_stream.h>
namespace Lottie {
class Animation;
class FrameRenderer;
struct MultiUpdate {
//base::variant<
// std::pair<Animation*, Information>,
// DisplayMultiFrameRequest,
// std::pair<Animation*, Error>> data;
};
class MultiPlayer final : public Player {
public:
MultiPlayer(
Quality quality = Quality::Default,
std::shared_ptr<FrameRenderer> renderer = nullptr);
~MultiPlayer();
void start(
not_null<Animation*> animation,
std::unique_ptr<SharedState> state) override;
void failed(not_null<Animation*> animation, Error error) override;
void updateFrameRequest(
not_null<const Animation*> animation,
const FrameRequest &request) override;
bool markFrameShown() override;
void checkStep() override;
not_null<Animation*> append(
FnMut<void(FnMut<void(QByteArray &&cached)>)> get, // Main thread.
FnMut<void(QByteArray &&cached)> put, // Unknown thread.
const QByteArray &content,
const FrameRequest &request);
not_null<Animation*> append(
const QByteArray &content,
const FrameRequest &request);
rpl::producer<MultiUpdate> updates() const;
void remove(not_null<Animation*> animation);
void pause(not_null<Animation*> animation);
void unpause(not_null<Animation*> animation);
private:
struct PausedInfo {
not_null<SharedState*> state;
crl::time pauseTime = kTimeUnknown;
crl::time pauseDelay = kTimeUnknown;
};
struct StartingInfo {
std::unique_ptr<SharedState> state;
bool paused = false;
};
void addNewToActive(
not_null<Animation*> animation,
StartingInfo &&info);
[[nodiscard]] int countFrameIndex(
not_null<SharedState*> state,
crl::time time,
crl::time delay) const;
void startAtRightTime(std::unique_ptr<SharedState> state);
void processPending();
void markFrameDisplayed(crl::time now);
void addTimelineDelay(crl::time delayed);
void checkNextFrameAvailability();
void checkNextFrameRender();
void unpauseFirst(
not_null<Animation*> animation,
not_null<SharedState*> state);
void pauseAndSaveState(not_null<Animation*> animation);
void unpauseAndKeepUp(not_null<Animation*> animation);
void removeNow(not_null<Animation*> animation);
Quality _quality = Quality::Default;
base::Timer _timer;
const std::shared_ptr<FrameRenderer> _renderer;
std::vector<std::unique_ptr<Animation>> _animations;
base::flat_map<not_null<Animation*>, not_null<SharedState*>> _active;
base::flat_map<not_null<Animation*>, PausedInfo> _paused;
base::flat_set<not_null<Animation*>> _pendingPause;
base::flat_set<not_null<Animation*>> _pendingUnpause;
base::flat_set<not_null<Animation*>> _pausedBeforeStart;
base::flat_set<not_null<Animation*>> _pendingRemove;
base::flat_map<not_null<Animation*>, StartingInfo> _pendingToStart;
crl::time _started = kTimeUnknown;
crl::time _lastSyncTime = kTimeUnknown;
crl::time _delay = 0;
crl::time _nextFrameTime = kTimeUnknown;
rpl::event_stream<MultiUpdate> _updates;
rpl::lifetime _lifetime;
};
} // namespace Lottie