chrome/browser/android/preferences/cookie_controls_service_bridge.h

// 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 CHROME_BROWSER_ANDROID_PREFERENCES_COOKIE_CONTROLS_SERVICE_BRIDGE_H_
#define CHROME_BROWSER_ANDROID_PREFERENCES_COOKIE_CONTROLS_SERVICE_BRIDGE_H_

#include "base/android/jni_weak_ref.h"
#include "base/memory/raw_ptr.h"
#include "base/scoped_observation.h"
#include "chrome/browser/ui/cookie_controls/cookie_controls_service.h"
#include "components/content_settings/core/common/cookie_controls_enforcement.h"

class Profile;

// Communicates between CookieControlsService (C++ backend) and observers
// in the Incognito NTP Java UI.
class CookieControlsServiceBridge : public CookieControlsService::Observer {
 public:
  CookieControlsServiceBridge(JNIEnv* env,
                              const base::android::JavaParamRef<jobject>& obj,
                              Profile* profile);

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

  ~CookieControlsServiceBridge() override;

  // Destroys the CookieControlsServiceBridge object. This needs to be called on
  // the java side when the object is not in use anymore.
  void Destroy(JNIEnv* env);

  void HandleCookieControlsToggleChanged(JNIEnv* env, jboolean checked);

  void UpdateServiceIfNecessary(JNIEnv* env);

  // CookieControlsService::Observer
  void OnThirdPartyCookieBlockingPrefChanged() override;
  void OnThirdPartyCookieBlockingPolicyChanged() override;

 private:
  // Updates cookie controls UI when third-party cookie blocking setting has
  // changed.
  void SendCookieControlsUIChanges();
  // Starts a service to observe the current profile.
  void UpdateServiceIfNecessary();

  raw_ptr<CookieControlsService> service_;
  base::android::ScopedJavaGlobalRef<jobject> jobject_;
  raw_ptr<Profile> profile_;
  base::ScopedObservation<CookieControlsService,
                          CookieControlsService::Observer>
      cookie_controls_service_obs_{this};
};

#endif  // CHROME_BROWSER_ANDROID_PREFERENCES_COOKIE_CONTROLS_SERVICE_BRIDGE_H_