// Copyright 2012 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_EXTENSIONS_PREFERENCE_PREFERENCE_HELPERS_H_
#define CHROME_BROWSER_EXTENSIONS_PREFERENCE_PREFERENCE_HELPERS_H_

#include <string>

#include "base/values.h"
#include "build/chromeos_buildflags.h"
#include "extensions/browser/extension_event_histogram_value.h"
#include "extensions/buildflags/buildflags.h"
#include "extensions/common/extension_id.h"
#include "extensions/common/mojom/api_permission_id.mojom-shared.h"
#include "extensions/common/permissions/permission_set.h"

static_assert(BUILDFLAG(ENABLE_EXTENSIONS_CORE));

class PrefService;
class Profile;

namespace extensions {
namespace preference_helpers {

// Returns a string constant (defined in the API) indicating the level of
// control this extension has over the specified preference.
const char* GetLevelOfControl(Profile* profile,
                              const ExtensionId& extension_id,
                              const std::string& browser_pref,
                              bool incognito);

// Dispatches `event_name` to extensions listening to the event and holding
// `permission`. `args` is passed as arguments to the event listener.  A
// key-value for the level of control the extension has over `browser_pref` is
// injected into the first item of `args`, which must be of type
// dictionary.
void DispatchEventToExtensions(Profile* profile,
                               events::HistogramValue histogram_value,
                               const std::string& event_name,
                               base::Value::List args,
                               mojom::APIPermissionID permission,
                               bool incognito,
                               const std::string& browser_pref);

// Returns preferences service of the given profile. If `incognito` is true and
// `profile` has an Incognito profile, the preferenecs of the Incognito profile
// is returned and otherwise a read-only copy of `profile`'s preferences is
// given.
PrefService* GetProfilePrefService(Profile* profile, bool incognito);

}  // namespace preference_helpers
}  // namespace extensions

#endif  // CHROME_BROWSER_EXTENSIONS_PREFERENCE_PREFERENCE_HELPERS_H_