1 /* 2 * Copyright (C) 2007, 2009 Apple Inc. All rights reserved. 3 * 4 * Redistribution and use in source and binary forms, with or without 5 * modification, are permitted provided that the following conditions 6 * are met: 7 * 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 3. Neither the name of Apple Computer, Inc. ("Apple") nor the names of 14 * its contributors may be used to endorse or promote products derived 15 * from this software without specific prior written permission. 16 * 17 * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY 18 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 19 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 20 * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY 21 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 22 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 23 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND 24 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 27 */ 28 29 #include "config.h" 30 #include "FontDatabase.h" 31 32 #include "CString.h" 33 #include "FileSystem.h" 34 #include "PlatformString.h" 35 #include <WebKitSystemInterface/WebKitSystemInterface.h> 36 #include <shlobj.h> 37 #include <wtf/RetainPtr.h> 38 39 namespace WebCore { 40 41 static String systemFontsDirectory() 42 { 43 static bool initialized; 44 static String directory; 45 46 if (!initialized) { 47 initialized = true; 48 49 Vector<UChar> buffer(MAX_PATH); 50 if (FAILED(SHGetFolderPath(0, CSIDL_FONTS | CSIDL_FLAG_CREATE, 0, 0, buffer.data()))) 51 return directory; 52 buffer.resize(wcslen(buffer.data())); 53 54 directory = String::adopt(buffer); 55 } 56 57 return directory; 58 } 59 60 static String fontsPlistPath() 61 { 62 static String path = pathByAppendingComponent(localUserSpecificStorageDirectory(), "FontsList.plist"); 63 return path; 64 } 65 66 static bool systemHasFontsNewerThanFontsPlist() 67 { 68 WIN32_FILE_ATTRIBUTE_DATA plistAttributes = {0}; 69 if (!GetFileAttributesEx(fontsPlistPath().charactersWithNullTermination(), GetFileExInfoStandard, &plistAttributes)) 70 return true; 71 72 WIN32_FILE_ATTRIBUTE_DATA fontsDirectoryAttributes = {0}; 73 if (!GetFileAttributesEx(systemFontsDirectory().charactersWithNullTermination(), GetFileExInfoStandard, &fontsDirectoryAttributes)) 74 return true; 75 76 return CompareFileTime(&plistAttributes.ftLastWriteTime, &fontsDirectoryAttributes.ftLastWriteTime) < 0; 77 } 78 79 static RetainPtr<CFPropertyListRef> readFontPlist() 80 { 81 CString plistPath = fontsPlistPath().utf8(); 82 83 RetainPtr<CFURLRef> url(AdoptCF, CFURLCreateFromFileSystemRepresentation(0, reinterpret_cast<const UInt8*>(plistPath.data()), plistPath.length(), false)); 84 if (!url) 85 return 0; 86 87 RetainPtr<CFReadStreamRef> stream(AdoptCF, CFReadStreamCreateWithFile(0, url.get())); 88 if (!stream) 89 return 0; 90 91 if (!CFReadStreamOpen(stream.get())) 92 return 0; 93 94 CFPropertyListFormat format = kCFPropertyListBinaryFormat_v1_0 | kCFPropertyListXMLFormat_v1_0; 95 RetainPtr<CFPropertyListRef> plist(AdoptCF, CFPropertyListCreateFromStream(0, stream.get(), 0, kCFPropertyListMutableContainersAndLeaves, &format, 0)); 96 97 CFReadStreamClose(stream.get()); 98 99 return plist; 100 } 101 102 static bool populateFontDatabaseFromPlist(CFPropertyListRef plist) 103 { 104 if (!plist) 105 return false; 106 107 wkAddFontsFromPlist(plist); 108 return true; 109 } 110 111 static bool populateFontDatabaseFromFileSystem() 112 { 113 RetainPtr<CFStringRef> directory(AdoptCF, systemFontsDirectory().createCFString()); 114 if (!directory) 115 return false; 116 117 wkAddFontsInDirectory(directory.get()); 118 return true; 119 } 120 121 static CFStringRef fontFilenamesFromRegistryKey() 122 { 123 static CFStringRef key = CFSTR("WebKitFontFilenamesFromRegistry"); 124 return key; 125 } 126 127 static void writeFontDatabaseToPlist(CFPropertyListRef cgFontDBPropertyList, CFPropertyListRef filenamesFromRegistry) 128 { 129 if (!cgFontDBPropertyList) 130 return; 131 132 RetainPtr<CFDataRef> data; 133 134 if (!filenamesFromRegistry || CFGetTypeID(cgFontDBPropertyList) != CFDictionaryGetTypeID()) 135 data.adoptCF(CFPropertyListCreateXMLData(kCFAllocatorDefault, cgFontDBPropertyList)); 136 else { 137 RetainPtr<CFMutableDictionaryRef> dictionary(AdoptCF, CFDictionaryCreateMutableCopy(kCFAllocatorDefault, 2, static_cast<CFDictionaryRef>(cgFontDBPropertyList))); 138 CFDictionarySetValue(dictionary.get(), fontFilenamesFromRegistryKey(), filenamesFromRegistry); 139 data.adoptCF(CFPropertyListCreateXMLData(kCFAllocatorDefault, dictionary.get())); 140 } 141 142 if (!data) 143 return; 144 145 safeCreateFile(fontsPlistPath(), data.get()); 146 } 147 148 static RetainPtr<CFArrayRef> fontFilenamesFromRegistry() 149 { 150 RetainPtr<CFMutableArrayRef> filenames(AdoptCF, CFArrayCreateMutable(kCFAllocatorDefault, 0, &kCFTypeArrayCallBacks)); 151 152 HKEY key; 153 if (FAILED(RegOpenKeyEx(HKEY_LOCAL_MACHINE, TEXT("SOFTWARE\\Microsoft\\Windows NT\\CurrentVersion\\Fonts"), 0, KEY_READ, &key))) 154 return filenames; 155 156 DWORD valueCount; 157 DWORD maxNameLength; 158 DWORD maxValueLength; 159 if (FAILED(RegQueryInfoKey(key, 0, 0, 0, 0, 0, 0, &valueCount, &maxNameLength, &maxValueLength, 0, 0))) { 160 RegCloseKey(key); 161 return filenames; 162 } 163 164 Vector<TCHAR> name(maxNameLength + 1); 165 Vector<BYTE> value(maxValueLength + 1); 166 167 for (size_t i = 0; i < valueCount; ++i) { 168 DWORD nameLength = name.size(); 169 DWORD valueLength = value.size(); 170 DWORD type; 171 if (FAILED(RegEnumValue(key, i, name.data(), &nameLength, 0, &type, value.data(), &valueLength))) 172 continue; 173 if (type != REG_SZ) 174 continue; 175 176 RetainPtr<CFDataRef> filename(AdoptCF, CFDataCreate(kCFAllocatorDefault, value.data(), valueLength)); 177 CFArrayAppendValue(filenames.get(), filename.get()); 178 } 179 180 RegCloseKey(key); 181 return filenames; 182 } 183 184 void populateFontDatabase() 185 { 186 static bool initialized; 187 if (initialized) 188 return; 189 initialized = true; 190 191 if (wkCanCreateCGFontWithLOGFONT()) 192 return; 193 194 RetainPtr<CFPropertyListRef> propertyList = readFontPlist(); 195 RetainPtr<CFArrayRef> lastFilenamesFromRegistry; 196 if (propertyList && CFGetTypeID(propertyList.get()) == CFDictionaryGetTypeID()) { 197 CFDictionaryRef dictionary = static_cast<CFDictionaryRef>(propertyList.get()); 198 CFArrayRef array = static_cast<CFArrayRef>(CFDictionaryGetValue(dictionary, fontFilenamesFromRegistryKey())); 199 if (array && CFGetTypeID(array) == CFArrayGetTypeID()) 200 lastFilenamesFromRegistry = array; 201 } 202 RetainPtr<CFArrayRef> currentFilenamesFromRegistry = fontFilenamesFromRegistry(); 203 bool registryChanged = !lastFilenamesFromRegistry || !CFEqual(lastFilenamesFromRegistry.get(), currentFilenamesFromRegistry.get()); 204 205 if (!registryChanged && !systemHasFontsNewerThanFontsPlist()) { 206 if (populateFontDatabaseFromPlist(propertyList.get())) 207 return; 208 } 209 210 if (populateFontDatabaseFromFileSystem()) { 211 wkAddFontsFromRegistry(); 212 RetainPtr<CFPropertyListRef> cgFontDBPropertyList(AdoptCF, wkCreateFontsPlist()); 213 writeFontDatabaseToPlist(cgFontDBPropertyList.get(), currentFilenamesFromRegistry.get()); 214 } 215 } 216 217 } // namespace WebCore 218
