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// Copyright 2017 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef COMPONENTS_DOWNLOAD_INTERNAL_BACKGROUND_SERVICE_DRIVER_ENTRY_H_
#define COMPONENTS_DOWNLOAD_INTERNAL_BACKGROUND_SERVICE_DRIVER_ENTRY_H_
#include <optional>
#include <string>
#include <vector>
#include "base/files/file_path.h"
#include "base/memory/ref_counted.h"
#include "base/time/time.h"
#include "build/blink_buildflags.h"
#include "build/build_config.h"
#include "url/gurl.h"
#if BUILDFLAG(USE_BLINK)
#include "storage/browser/blob/blob_data_handle.h"
#endif
namespace net {
class HttpResponseHeaders;
} // namespace net
namespace download {
// A snapshot of the states of a download. It's preferred to use the data on the
// fly and query new ones from download driver, instead of caching the states.
struct DriverEntry {
// States of the download. Mostly maps to
// download::DownloadItem::DownloadState.
enum class State {
IN_PROGRESS = 0,
COMPLETE = 1,
CANCELLED = 2,
INTERRUPTED = 3,
UNKNOWN = 4, /* Not created from a download item object. */
};
DriverEntry();
DriverEntry(const DriverEntry& other);
~DriverEntry();
// The unique identifier of the download.
std::string guid;
// The current state of the download.
State state;
// If the download is paused.
bool paused;
// If the download is done.
bool done;
// Whether the download is resumable. Determined by whether "Accept-Ranges" or
// "Content-Range" is present in the response headers and if it has strong
// validators. If false, the download may not be resumable.
bool can_resume;
// The number of bytes downloaded.
uint64_t bytes_downloaded;
// The expected total size of the download, set to 0 if the Content-Length
// http header is not presented.
uint64_t expected_total_size;
// The physical file path for the download. It can be different from the
// target file path requested while the file is downloading, as it may
// download to a temporary path. After completion, this would be set to the
// target file path.
// Will be empty file path in incognito mode.
base::FilePath current_file_path;
#if BUILDFLAG(USE_BLINK)
// The blob data handle that contains download data.
// Will be available after the download is completed in incognito mode.
std::optional<storage::BlobDataHandle> blob_handle;
#endif
// Time the download was marked as complete, base::Time() if the download is
// not yet complete.
base::Time completion_time;
// The response headers for the most recent download request.
scoped_refptr<const net::HttpResponseHeaders> response_headers;
// The url chain of the download. Download may encounter redirects, and
// fetches the content from the last url in the chain.
std::vector<GURL> url_chain;
// An optional base::HexEncoded SHA-256 hash (if available) of the file
// contents. If empty there is no available hash value.
std::string hash256;
};
} // namespace download
#endif // COMPONENTS_DOWNLOAD_INTERNAL_BACKGROUND_SERVICE_DRIVER_ENTRY_H_
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