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// Copyright 2019 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_COMMON_ANDROID_DOWNLOAD_COLLECTION_BRIDGE_H_
#define COMPONENTS_DOWNLOAD_INTERNAL_COMMON_ANDROID_DOWNLOAD_COLLECTION_BRIDGE_H_
#include <map>
#include <memory>
#include <string>
#include "base/files/file.h"
#include "components/download/public/common/download_export.h"
#include "components/download/public/common/download_file.h"
#include "components/download/public/common/in_progress_download_manager.h"
namespace download {
// Native class talking to the java side to publish a download to public
// download collection.
class COMPONENTS_DOWNLOAD_EXPORT DownloadCollectionBridge {
public:
DownloadCollectionBridge(const DownloadCollectionBridge&) = delete;
DownloadCollectionBridge& operator=(const DownloadCollectionBridge&) = delete;
// Creates the intermediate URI for download to write to.
// Called on non UI thread.
static base::FilePath CreateIntermediateUriForPublish(
const GURL& original_url,
const GURL& referrer_url,
const base::FilePath& file_name,
const std::string& mime_type);
// Returns whether a download needs to be published.
// Can be called on any thread.
static bool ShouldPublishDownload(const base::FilePath& file_path);
// Moves existing file content to the intermediate Uri, and remove
// |source_path|.
// Called on non UI thread.
static DownloadInterruptReason MoveFileToIntermediateUri(
const base::FilePath& source_path,
const base::FilePath& destination_uri);
// Deletes the intermediate Uri that is being written to.
// Called on non UI thread.
static void DeleteIntermediateUri(const base::FilePath& intermediate_uri);
// Publishes the intermediate Uri to public download collection, and returns
// the final Uri.
// Called on non UI thread.
static base::FilePath PublishDownload(const base::FilePath& intermediate_uri);
// Opens the intermediate Uri for writing.
// Called on non UI thread.
static base::File OpenIntermediateUri(const base::FilePath& intermediate_uri);
// Checks whether a file name exists.
// Called on non UI thread.
static bool FileNameExists(const base::FilePath& file_name);
// Renames a content URI download to |new_display_name|. Returns true on
// success, and false otherwise.
// Called on non UI thread.
static bool RenameDownloadUri(const base::FilePath& download_uri,
const base::FilePath& new_display_name);
using GetDisplayNamesCallback =
base::OnceCallback<void(InProgressDownloadManager::DisplayNames)>;
// Gets the display name for all downloads.
// Called on non UI thread.
static void GetDisplayNamesForDownloads(GetDisplayNamesCallback cb);
// Gets the display name for a download.
static base::FilePath GetDisplayName(const base::FilePath& download_uri);
// Add a file name for testing so that FileNameExists() will return true
// later.
static void AddExistingFileNameForTesting(const base::FilePath& file_name);
// Clear all file names in the global file name set. If the set is not
// created, create it.
static void ResetExistingFileNamesForTesting();
};
} // namespace download
#endif // COMPONENTS_DOWNLOAD_INTERNAL_COMMON_ANDROID_DOWNLOAD_COLLECTION_BRIDGE_H_
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