tdesktop/Telegram/SourceFiles/media/streaming/media_streaming_loader_local.h

55 lines
1.4 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 "media/streaming/media_streaming_loader.h"
#include "mtproto/sender.h"
#include "data/data_file_origin.h"
class ApiWrap;
namespace Media {
namespace Streaming {
class LoaderLocal : public Loader, public base::has_weak_ptr {
public:
LoaderLocal(std::unique_ptr<QIODevice> device);
[[nodiscard]] Storage::Cache::Key baseCacheKey() const override;
[[nodiscard]] int64 size() const override;
void load(int64 offset) override;
void cancel(int64 offset) override;
void resetPriorities() override;
void setPriority(int priority) override;
void stop() override;
void tryRemoveFromQueue() override;
// Parts will be sent from the main thread.
[[nodiscard]] rpl::producer<LoadedPart> parts() const override;
void attachDownloader(
not_null<Storage::StreamedFileDownloader*> downloader) override;
void clearAttachedDownloader() override;
private:
void fail();
const std::unique_ptr<QIODevice> _device;
const int64 _size = 0;
rpl::event_stream<LoadedPart> _parts;
};
std::unique_ptr<LoaderLocal> MakeFileLoader(const QString &path);
std::unique_ptr<LoaderLocal> MakeBytesLoader(const QByteArray &bytes);
} // namespace Streaming
} // namespace Media