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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 EXTENSIONS_BROWSER_API_FILE_HANDLERS_NON_NATIVE_FILE_SYSTEM_DELEGATE_H_
#define EXTENSIONS_BROWSER_API_FILE_HANDLERS_NON_NATIVE_FILE_SYSTEM_DELEGATE_H_
#include <optional>
#include <string>
#include "base/files/file_path.h"
#include "base/functional/callback.h"
namespace content {
class BrowserContext;
}
namespace extensions {
// Delegate for extension APIs to delegate tasks to a non-native file system on
// Chrome OS.
class NonNativeFileSystemDelegate {
public:
virtual ~NonNativeFileSystemDelegate() {}
// Checks whether |path| points to a non-local filesystem that
// requires special handling.
virtual bool IsUnderNonNativeLocalPath(content::BrowserContext* context,
const base::FilePath& path) = 0;
// Checks whether |path| points to a filesystem that requires special handling
// for retrieving mime types.
virtual bool HasNonNativeMimeTypeProvider(content::BrowserContext* context,
const base::FilePath& path) = 0;
// Returns the mime type of the file pointed by |path|, and asynchronously
// sends the result to |callback|.
virtual void GetNonNativeLocalPathMimeType(
content::BrowserContext* context,
const base::FilePath& path,
base::OnceCallback<void(const std::optional<std::string>&)> callback) = 0;
// Checks whether |path| points to a non-local filesystem directory and calls
// |callback| with the result asynchronously.
virtual void IsNonNativeLocalPathDirectory(
content::BrowserContext* context,
const base::FilePath& path,
base::OnceCallback<void(bool)> callback) = 0;
// Ensures a non-local file exists at |path|, i.e., it does nothing if a file
// is already present, or creates a file there if it isn't. Asynchronously
// calls |callback| with a success value.
virtual void PrepareNonNativeLocalFileForWritableApp(
content::BrowserContext* context,
const base::FilePath& path,
base::OnceCallback<void(bool)> callback) = 0;
};
} // namespace extensions
#endif // EXTENSIONS_BROWSER_API_FILE_HANDLERS_NON_NATIVE_FILE_SYSTEM_DELEGATE_H_
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