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// Copyright 2013 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef COMPONENTS_WEBUI_FLAGS_FLAGS_STORAGE_H_
#define COMPONENTS_WEBUI_FLAGS_FLAGS_STORAGE_H_
#include <set>
#include <string>
namespace flags_ui {
// Base class for flags storage implementations. Enables the about_flags
// functions to store and retrieve data from various sources like PrefService
// and CrosSettings.
class FlagsStorage {
public:
virtual ~FlagsStorage() = default;
// Retrieves the flags as a set of strings.
virtual std::set<std::string> GetFlags() const = 0;
// Stores the |flags| and returns true on success.
virtual bool SetFlags(const std::set<std::string>& flags) = 0;
// Retrieves the serialized origin list corresponding to
// |internal_entry_name|. Does not check if the return value is well formed.
virtual std::string GetOriginListFlag(
const std::string& internal_entry_name) const = 0;
// Sets the serialized |origin_list_value| corresponding to
// |internal_entry_name|. Does not check if |origin_list_value| is well
// formed.
virtual void SetOriginListFlag(const std::string& internal_entry_name,
const std::string& origin_list_value) = 0;
// Retrieves the serialized origin list corresponding to
// |internal_entry_name|. Does not check if the return value is well formed.
virtual std::string GetStringFlag(
const std::string& internal_entry_name) const = 0;
// Sets the serialized |origin_list_value| corresponding to
// |internal_entry_name|. Does not check if |origin_list_value| is well
// formed.
virtual void SetStringFlag(const std::string& internal_entry_name,
const std::string& string_value) = 0;
// Lands pending changes to disk immediately.
virtual void CommitPendingWrites() = 0;
};
} // namespace flags_ui
#endif // COMPONENTS_WEBUI_FLAGS_FLAGS_STORAGE_H_
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