1 /* 2 * PROJECT: ReactOS Font Shell Extension 3 * LICENSE: GPL-2.0-or-later (https://spdx.org/licenses/GPL-2.0-or-later) 4 * PURPOSE: Shell extension entry point 5 * COPYRIGHT: Copyright 2019,2020 Mark Jansen (mark.jansen@reactos.org) 6 */ 7 8 #include "precomp.h" 9 10 WINE_DEFAULT_DEBUG_CHANNEL(fontext); 11 12 const GUID CLSID_CFontExt = { 0xbd84b380, 0x8ca2, 0x1069, { 0xab, 0x1d, 0x08, 0x00, 0x09, 0x48, 0xf5, 0x34 } }; 13 14 15 class CFontExtModule : public CComModule 16 { 17 public: 18 void Init(_ATL_OBJMAP_ENTRY *p, HINSTANCE h, const GUID *plibid) 19 { 20 g_FontCache = new CFontCache(); 21 CComModule::Init(p, h, plibid); 22 } 23 24 void Term() 25 { 26 delete g_FontCache; 27 g_FontCache = NULL; 28 CComModule::Term(); 29 } 30 }; 31 32 BEGIN_OBJECT_MAP(ObjectMap) 33 OBJECT_ENTRY(CLSID_CFontExt, CFontExt) 34 END_OBJECT_MAP() 35 36 37 LONG g_ModuleRefCnt; 38 CFontExtModule gModule; 39 40 41 STDAPI DllCanUnloadNow() 42 { 43 if (g_ModuleRefCnt) 44 return S_FALSE; 45 return gModule.DllCanUnloadNow(); 46 } 47 48 STDAPI DllGetClassObject(REFCLSID rclsid, REFIID riid, LPVOID *ppv) 49 { 50 return gModule.DllGetClassObject(rclsid, riid, ppv); 51 } 52 53 54 STDAPI DllRegisterServer() 55 { 56 WCHAR Path[MAX_PATH] = { 0 }; 57 static const char DesktopIniContents[] = "[.ShellClassInfo]\r\nCLSID={BD84B380-8CA2-1069-AB1D-08000948F534}\r\n"; 58 HANDLE hFile; 59 HRESULT hr; 60 61 hr = gModule.DllRegisterServer(FALSE); 62 if (FAILED_UNEXPECTEDLY(hr)) 63 return hr; 64 65 hr = SHGetFolderPathW(NULL, CSIDL_FONTS, NULL, 0, Path); 66 if (FAILED_UNEXPECTEDLY(hr)) 67 return hr; 68 69 // Make this a system folder: 70 // Ideally this should not be done here, but when installing 71 // Otherwise, livecd won't have this set properly 72 DWORD dwAttributes = GetFileAttributesW(Path); 73 if (dwAttributes != INVALID_FILE_ATTRIBUTES) 74 { 75 dwAttributes |= FILE_ATTRIBUTE_SYSTEM; 76 SetFileAttributesW(Path, dwAttributes); 77 } 78 else 79 { 80 ERR("Unable to get attributes for fonts folder (%d)\n", GetLastError()); 81 } 82 83 if (!PathAppendW(Path, L"desktop.ini")) 84 return E_FAIL; 85 86 hFile = CreateFileW(Path, GENERIC_WRITE, 0, NULL, CREATE_ALWAYS, FILE_ATTRIBUTE_SYSTEM | FILE_ATTRIBUTE_HIDDEN, NULL); 87 if (hFile == INVALID_HANDLE_VALUE) 88 return HRESULT_FROM_WIN32(GetLastError()); 89 90 DWORD BytesWritten, BytesToWrite = strlen(DesktopIniContents); 91 if (WriteFile(hFile, DesktopIniContents, (DWORD)BytesToWrite, &BytesWritten, NULL)) 92 hr = (BytesToWrite == BytesWritten) ? S_OK : E_FAIL; 93 else 94 hr = HRESULT_FROM_WIN32(GetLastError()); 95 CloseHandle(hFile); 96 return hr; 97 } 98 99 STDAPI DllUnregisterServer() 100 { 101 return gModule.DllUnregisterServer(FALSE); 102 } 103 104 105 EXTERN_C 106 BOOL WINAPI DllMain(HINSTANCE hInstance, DWORD dwReason, LPVOID lpReserved) 107 { 108 switch (dwReason) 109 { 110 case DLL_PROCESS_ATTACH: 111 DisableThreadLibraryCalls(hInstance); 112 gModule.Init(ObjectMap, hInstance, NULL); 113 break; 114 case DLL_PROCESS_DETACH: 115 gModule.Term(); 116 break; 117 } 118 119 return TRUE; 120 } 121