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// Copyright 2019 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 CHROME_BROWSER_UI_WEBUI_NTP_COOKIE_CONTROLS_HANDLER_H_
#define CHROME_BROWSER_UI_WEBUI_NTP_COOKIE_CONTROLS_HANDLER_H_
#include <memory>
#include "components/prefs/pref_change_registrar.h"
#include "content/public/browser/web_ui_message_handler.h"
class CookieControlsHandlerTest;
class Profile;
namespace base {
class ListValue;
class Value;
} // namespace base
namespace policy {
class PolicyChangeRegistrar;
}
// Handles requests for prefs::kCookieControlsMode retrival/update.
class CookieControlsHandler : public content::WebUIMessageHandler {
public:
CookieControlsHandler();
~CookieControlsHandler() override;
// WebUIMessageHandler
void RegisterMessages() override;
void OnJavascriptAllowed() override;
void OnJavascriptDisallowed() override;
void HandleCookieControlsToggleChanged(const base::ListValue* args);
void HandleObserveCookieControlsSettingsChanges(const base::ListValue* args);
// Whether cookie controls UI should be hidden in incognito ntp.
static bool ShouldHideCookieControlsUI(const Profile* profile);
static bool GetToggleCheckedValue(const Profile* profile);
private:
friend class CookieControlsHandlerTest;
// Updates cookie controls UI when underlying setting has changed.
void OnCookieControlsChanged();
// Updates cookie controls UI when third-party cookie blocking setting has
// changed.
void OnThirdPartyCookieBlockingChanged();
void OnThirdPartyCookieBlockingPolicyChanged(const base::Value* previous,
const base::Value* current);
PrefChangeRegistrar pref_change_registrar_;
std::unique_ptr<policy::PolicyChangeRegistrar> policy_registrar_;
DISALLOW_COPY_AND_ASSIGN(CookieControlsHandler);
};
#endif // CHROME_BROWSER_UI_WEBUI_NTP_COOKIE_CONTROLS_HANDLER_H_
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