dolphin/Source/Core/UICommon/GameFileCache.h

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// Copyright 2017 Dolphin Emulator Project
// SPDX-License-Identifier: GPL-2.0-or-later
#pragma once
#include <atomic>
#include <cstddef>
#include <functional>
#include <memory>
#include <string>
#include <vector>
#include "Common/CommonTypes.h"
class PointerWrap;
namespace UICommon
{
class GameFile;
std::vector<std::string> FindAllGamePaths(const std::vector<std::string>& directories_to_scan,
bool recursive_scan);
class GameFileCache
{
public:
enum class DeleteOnDisk
{
No = 0,
Yes = 1,
};
GameFileCache();
void ForEach(std::function<void(const std::shared_ptr<const GameFile>&)> f) const;
size_t GetSize() const;
void Clear(DeleteOnDisk delete_on_disk);
// Returns nullptr if the file is invalid.
std::shared_ptr<const GameFile> AddOrGet(const std::string& path, bool* cache_changed);
// These functions return true if the call modified the cache.
bool Update(const std::vector<std::string>& all_game_paths,
std::function<void(const std::shared_ptr<const GameFile>&)> game_added_to_cache = {},
std::function<void(const std::string&)> game_removed_from_cache = {},
const std::atomic_bool& processing_halted = false);
bool UpdateAdditionalMetadata(
std::function<void(const std::shared_ptr<const GameFile>&)> game_updated = {},
const std::atomic_bool& processing_halted = false);
bool Load();
bool Save();
private:
bool UpdateAdditionalMetadata(std::shared_ptr<GameFile>* game_file);
bool SyncCacheFile(bool save);
void DoState(PointerWrap* p, u64 size = 0);
std::string m_path;
std::vector<std::shared_ptr<GameFile>> m_cached_files;
};
} // namespace UICommon