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2ca80adeb2
std::function is internally allowed to allocate, and these functions aren't being stored anywhere (only called), so we can freely get rid of some minor overhead here by passing by reference. This change also creates aliases for the functions, so that there isn't a lot of visual noise when reading the function signatures.
69 lines
1.9 KiB
C++
69 lines
1.9 KiB
C++
// Copyright 2017 Dolphin Emulator Project
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// SPDX-License-Identifier: GPL-2.0-or-later
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#pragma once
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#include <atomic>
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#include <cstddef>
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#include <functional>
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#include <memory>
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#include <string>
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#include <vector>
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#include "Common/CommonTypes.h"
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class PointerWrap;
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namespace UICommon
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{
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class GameFile;
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std::vector<std::string> FindAllGamePaths(const std::vector<std::string>& directories_to_scan,
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bool recursive_scan);
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class GameFileCache
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{
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public:
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enum class DeleteOnDisk
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{
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No = 0,
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Yes = 1,
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};
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using ForEachFn = std::function<void(const std::shared_ptr<const GameFile>&)>;
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using GameAddedToCacheFn = std::function<void(const std::shared_ptr<const GameFile>&)>;
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using GameRemovedFromCacheFn = std::function<void(const std::string&)>;
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using GameUpdatedFn = std::function<void(const std::shared_ptr<const GameFile>&)>;
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GameFileCache();
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void ForEach(const ForEachFn& f) const;
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size_t GetSize() const;
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void Clear(DeleteOnDisk delete_on_disk);
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// Returns nullptr if the file is invalid.
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std::shared_ptr<const GameFile> AddOrGet(const std::string& path, bool* cache_changed);
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// These functions return true if the call modified the cache.
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bool Update(const std::vector<std::string>& all_game_paths,
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const GameAddedToCacheFn& game_added_to_cache = {},
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const GameRemovedFromCacheFn& game_removed_from_cache = {},
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const std::atomic_bool& processing_halted = false);
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bool UpdateAdditionalMetadata(const GameUpdatedFn& game_updated = {},
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const std::atomic_bool& processing_halted = false);
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bool Load();
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bool Save();
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private:
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bool UpdateAdditionalMetadata(std::shared_ptr<GameFile>* game_file);
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bool SyncCacheFile(bool save);
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void DoState(PointerWrap* p, u64 size = 0);
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std::string m_path;
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std::vector<std::shared_ptr<GameFile>> m_cached_files;
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};
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} // namespace UICommon
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