// Copyright 2020 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#ifndef CONTENT_PUBLIC_BROWSER_FRAME_ACCEPT_HEADER_H_
#define CONTENT_PUBLIC_BROWSER_FRAME_ACCEPT_HEADER_H_

#include <string>

#include "content/common/content_export.h"

namespace content {
class BrowserContext;

// The value that should be set for the "Accept" header for frame navigations.
// Includes signed exchange and image decoder information (when applicable) that
// are not available from the network service. This may also accept signed
// exchange responses when |allow_sxg_responses| is true.
//
// - When `allow_sxg_responses` is true, this must run on the UI thread.
// - When `allow_sxg_responses` is false, this can run on any thread, and
//   `browser_context` is not used. Namely, this is used for off-the-main-thread
//   prefetch.
CONTENT_EXPORT std::string FrameAcceptHeaderValue(
    bool allow_sxg_responses,
    BrowserContext* browser_context);

}  // namespace content

#endif  // CONTENT_PUBLIC_BROWSER_FRAME_ACCEPT_HEADER_H_