// Copyright 2017 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#ifndef COMPONENTS_CLIENT_HINTS_BROWSER_CLIENT_HINTS_H_
#define COMPONENTS_CLIENT_HINTS_BROWSER_CLIENT_HINTS_H_

#include <memory>

#include "base/memory/ref_counted.h"
#include "base/memory/scoped_refptr.h"
#include "components/content_settings/core/browser/cookie_settings.h"
#include "components/keyed_service/core/keyed_service.h"
#include "content/public/browser/client_hints_controller_delegate.h"
#include "third_party/blink/public/common/user_agent/user_agent_metadata.h"

class GURL;
class HostContentSettingsMap;

namespace client_hints {

class ClientHints : public KeyedService,
                    public content::ClientHintsControllerDelegate {
 public:
  ClientHints(content::BrowserContext* context,
              network::NetworkQualityTracker* network_quality_tracker,
              HostContentSettingsMap* settings_map,
              scoped_refptr<content_settings::CookieSettings> cookie_settings,
              const blink::UserAgentMetadata& user_agent_metadata);

  ClientHints(const ClientHints&) = delete;
  ClientHints& operator=(const ClientHints&) = delete;

  ~ClientHints() override;

  // content::ClientHintsControllerDelegate:
  network::NetworkQualityTracker* GetNetworkQualityTracker() override;

  void GetAllowedClientHintsFromSource(
      const GURL& url,
      blink::EnabledClientHints* client_hints) override;

  bool IsJavaScriptAllowed(const GURL& url) override;

  bool AreThirdPartyCookiesBlocked(const GURL& url) override;

  blink::UserAgentMetadata GetUserAgentMetadata() override;

  void PersistClientHints(
      const url::Origin& primary_origin,
      const std::vector<network::mojom::WebClientHintsType>& client_hints,
      base::TimeDelta expiration_duration) override;

  void SetAdditionalClientHints(
      const std::vector<network::mojom::WebClientHintsType>&) override;

  void ClearAdditionalClientHints() override;

 private:
  content::BrowserContext* context_ = nullptr;
  network::NetworkQualityTracker* network_quality_tracker_ = nullptr;
  HostContentSettingsMap* settings_map_ = nullptr;
  scoped_refptr<content_settings::CookieSettings> cookie_settings_;
  blink::UserAgentMetadata user_agent_metadata_;
  std::vector<network::mojom::WebClientHintsType> additional_hints_;
};

}  // namespace client_hints

#endif  // COMPONENTS_CLIENT_HINTS_BROWSER_CLIENT_HINTS_H_