CFontCache.hpp

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/*
 * PROJECT:     ReactOS Font Shell Extension
 * LICENSE:     GPL-2.0-or-later (https://spdx.org/licenses/GPL-2.0-or-later)
 * PURPOSE:     font list cache handling
 * COPYRIGHT:   Copyright 2019-2021 Mark Jansen <mark.jansen@reactos.org>
 */

#pragma once


class CFontInfo
{
private:
    CStringW m_Name;
    CStringW m_File;
    bool m_FileRead;

    bool m_AttrsRead;
    LARGE_INTEGER m_FileSize;
    FILETIME m_FileWriteTime;
    DWORD m_dwFileAttributes;

    void ReadAttrs();

public:
    CFontInfo(LPCWSTR name = L"");

    const CStringW& Name() const;   // Font display name stored in the registry
    const bool Valid() const;

    const CStringW& File();         // Full path or file, depending on how it's stored in the registry
    const LARGE_INTEGER& FileSize();
    const FILETIME& FileWriteTime();
    DWORD FileAttributes();
};


class CFontCache
{
private:
    CAtlArray<CFontInfo> m_Fonts;
    CStringW m_FontFolderPath;

protected:
    CFontCache();

    void Insert(CAtlList<CFontInfo>& fonts, const CStringW& KeyName);

public:
    void Read();

    void SetFontDir(const LPCWSTR Path);
    const CStringW& FontPath() const { return m_FontFolderPath; }

    size_t Size();
    CStringW Name(size_t Index);    // Font display name stored in the registry

    CFontInfo* Find(const FontPidlEntry* fontEntry);
    CStringW Filename(CFontInfo* info, bool alwaysFullPath = false);

    friend class CFontExtModule;
};


extern CFontCache* g_FontCache;