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// Copyright 2022 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef EXTENSIONS_BROWSER_EXTENSION_PREFS_HELPER_H_
#define EXTENSIONS_BROWSER_EXTENSION_PREFS_HELPER_H_
#include <string>
#include "extensions/browser/extension_prefs_scope.h"
class ExtensionPrefValueMap;
namespace base {
class Value;
}
namespace extensions {
class ExtensionPrefs;
class ExtensionPrefsHelper {
public:
ExtensionPrefsHelper(ExtensionPrefs* prefs, ExtensionPrefValueMap* value_map);
ExtensionPrefsHelper(const ExtensionPrefsHelper&) = delete;
ExtensionPrefsHelper& operator=(const ExtensionPrefsHelper&) = delete;
~ExtensionPrefsHelper();
// Functions for manipulating preference values that are controlled by the
// extension. In other words, these are not pref values *about* the extension,
// but rather about something global the extension wants to override.
// Set a new extension-controlled preference value.
void SetExtensionControlledPref(const std::string& extension_id,
const std::string& pref_key,
ExtensionPrefsScope scope,
base::Value value);
// Remove an extension-controlled preference value.
void RemoveExtensionControlledPref(const std::string& extension_id,
const std::string& pref_key,
ExtensionPrefsScope scope);
// Returns true if currently no extension with higher precedence controls the
// preference.
bool CanExtensionControlPref(const std::string& extension_id,
const std::string& pref_key,
bool incognito);
// Returns true if extension `extension_id` currently controls the
// preference. If `from_incognito` is not a nullptr value, looks at incognito
// preferences first, and |from_incognito| is set to true if the effective
// pref value is coming from the incognito preferences, false if it is coming
// from the normal ones.
bool DoesExtensionControlPref(const std::string& extension_id,
const std::string& pref_key,
bool* from_incognito);
ExtensionPrefs* prefs() { return prefs_; }
const ExtensionPrefs* prefs() const { return prefs_; }
private:
ExtensionPrefs* const prefs_;
ExtensionPrefValueMap* const value_map_;
};
} // namespace extensions
#endif // EXTENSIONS_BROWSER_EXTENSION_PREFS_HELPER_H_
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