1 /* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 2 -*-
2 * This Source Code Form is subject to the terms of the Mozilla Public
3 * License, v. 2.0. If a copy of the MPL was not distributed with this
4 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
6 #include "mozilla/Logging.h"
10 #import <AppKit/AppKit.h>
12 #include "gfxFontConstants.h"
13 #include "gfxPlatformMac.h"
14 #include "gfxMacPlatformFontList.h"
15 #include "gfxMacFont.h"
16 #include "gfxUserFontSet.h"
17 #include "SharedFontList-impl.h"
19 #include "harfbuzz/hb.h"
21 #include "AppleUtils.h"
22 #include "MainThreadUtils.h"
23 #include "nsDirectoryServiceUtils.h"
24 #include "nsDirectoryServiceDefs.h"
25 #include "nsAppDirectoryServiceDefs.h"
26 #include "nsIDirectoryEnumerator.h"
27 #include "nsCharTraits.h"
28 #include "nsCocoaUtils.h"
29 #include "nsComponentManagerUtils.h"
30 #include "nsServiceManagerUtils.h"
33 #include "mozilla/dom/ContentChild.h"
34 #include "mozilla/dom/ContentParent.h"
35 #include "mozilla/FontPropertyTypes.h"
36 #include "mozilla/MemoryReporting.h"
37 #include "mozilla/Preferences.h"
38 #include "mozilla/ProfilerLabels.h"
39 #include "mozilla/Sprintf.h"
40 #include "mozilla/StaticPrefs_gfx.h"
41 #include "mozilla/Telemetry.h"
42 #include "mozilla/gfx/2D.h"
48 #include "StandardFonts-macos.inc"
50 using namespace mozilla;
51 using namespace mozilla::gfx;
53 // cache Cocoa's "shared font manager" for performance
54 static NSFontManager* sFontManager;
56 static void GetStringForNSString(const NSString* aSrc, nsAString& aDest) {
57 aDest.SetLength(aSrc.length);
58 [aSrc getCharacters:reinterpret_cast<unichar*>(aDest.BeginWriting())
59 range:NSMakeRange(0, aSrc.length)];
62 static NSString* GetNSStringForString(const nsAString& aSrc) {
64 stringWithCharacters:reinterpret_cast<const unichar*>(aSrc.BeginReading())
65 length:aSrc.Length()];
68 #define LOG_FONTLIST(args) \
69 MOZ_LOG(gfxPlatform::GetLog(eGfxLog_fontlist), mozilla::LogLevel::Debug, args)
70 #define LOG_FONTLIST_ENABLED() \
71 MOZ_LOG_TEST(gfxPlatform::GetLog(eGfxLog_fontlist), mozilla::LogLevel::Debug)
72 #define LOG_CMAPDATA_ENABLED() \
73 MOZ_LOG_TEST(gfxPlatform::GetLog(eGfxLog_cmapdata), mozilla::LogLevel::Debug)
75 class gfxMacFontFamily final : public CTFontFamily {
77 gfxMacFontFamily(const nsACString& aName, NSFont* aSystemFont)
78 : CTFontFamily(aName, FontVisibility::Unknown),
79 mForSystemFont(aSystemFont) {
80 // I don't think the system font instance is at much risk of being deleted,
81 // but to be on the safe side let's retain a reference until we're finished
82 // using it for lazy initialization.
83 [mForSystemFont retain];
86 void FindStyleVariationsLocked(FontInfoData* aFontInfoData = nullptr)
87 MOZ_REQUIRES(mLock) override;
90 // If non-null, this is a family representing the system UI font, and should
91 // use the given NSFont as the basis for initialization as the normal
92 // font-manager APIs based on family name won't handle it.
93 NSFont* mForSystemFont = nullptr;
96 void gfxMacFontFamily::FindStyleVariationsLocked(FontInfoData* aFontInfoData) {
101 AUTO_PROFILER_LABEL_DYNAMIC_NSCSTRING("gfxMacFontFamily::FindStyleVariations",
104 nsAutoreleasePool localPool;
106 if (mForSystemFont) {
107 MOZ_ASSERT(gfxPlatform::HasVariationFontSupport());
109 auto addToFamily = [&](NSFont* aNSFont) MOZ_REQUIRES(mLock) {
110 NSString* psNameNS = aNSFont.fontDescriptor.postscriptName;
111 nsAutoString nameUTF16;
112 nsAutoCString psName;
113 nsCocoaUtils::GetStringForNSString(psNameNS, nameUTF16);
114 CopyUTF16toUTF8(nameUTF16, psName);
117 new CTFontEntry(psName, WeightRange(FontWeight::NORMAL), true, 0.0);
119 // Set the appropriate style, assuming it may not have a variation range.
120 fe->mStyleRange = SlantStyleRange(
121 (aNSFont.fontDescriptor.symbolicTraits & NSFontItalicTrait)
122 ? FontSlantStyle::ITALIC
123 : FontSlantStyle::NORMAL);
125 // Set up weight (and width, if present) ranges.
126 fe->SetupVariationRanges();
127 AddFontEntryLocked(fe);
130 addToFamily(mForSystemFont);
132 // See if there is a corresponding italic face, and add it to the family.
133 NSFont* italicFont = [sFontManager convertFont:mForSystemFont
134 toHaveTrait:NSItalicFontMask];
135 if (italicFont != mForSystemFont) {
136 addToFamily(italicFont);
139 [mForSystemFont release];
140 mForSystemFont = nullptr;
146 CTFontFamily::FindStyleVariationsLocked(aFontInfoData);
149 /* gfxSingleFaceMacFontFamily */
151 class gfxSingleFaceMacFontFamily final : public gfxFontFamily {
153 gfxSingleFaceMacFontFamily(const nsACString& aName,
154 FontVisibility aVisibility)
155 : gfxFontFamily(aName, aVisibility) {
156 mFaceNamesInitialized = true; // omit from face name lists
159 virtual ~gfxSingleFaceMacFontFamily() = default;
161 void FindStyleVariationsLocked(FontInfoData* aFontInfoData = nullptr)
162 MOZ_REQUIRES(mLock) override{};
164 void LocalizedName(nsACString& aLocalizedName) override;
166 void ReadOtherFamilyNames(gfxPlatformFontList* aPlatformFontList) override;
168 bool IsSingleFaceFamily() const override { return true; }
171 void gfxSingleFaceMacFontFamily::LocalizedName(nsACString& aLocalizedName) {
172 nsAutoreleasePool localPool;
174 AutoReadLock lock(mLock);
176 if (!HasOtherFamilyNames()) {
177 aLocalizedName = mName;
181 gfxFontEntry* fe = mAvailableFonts[0];
182 NSFont* font = [NSFont
183 fontWithName:GetNSStringForString(NS_ConvertUTF8toUTF16(fe->Name()))
186 NSString* localized = [font displayName];
188 nsAutoString locName;
189 GetStringForNSString(localized, locName);
190 CopyUTF16toUTF8(locName, aLocalizedName);
195 // failed to get localized name, just use the canonical one
196 aLocalizedName = mName;
199 void gfxSingleFaceMacFontFamily::ReadOtherFamilyNames(
200 gfxPlatformFontList* aPlatformFontList) {
201 AutoWriteLock lock(mLock);
202 if (mOtherFamilyNamesInitialized) {
206 gfxFontEntry* fe = mAvailableFonts[0];
211 const uint32_t kNAME = TRUETYPE_TAG('n', 'a', 'm', 'e');
213 gfxFontEntry::AutoTable nameTable(fe, kNAME);
218 mHasOtherFamilyNames =
219 ReadOtherFamilyNamesForFace(aPlatformFontList, nameTable, true);
221 mOtherFamilyNamesInitialized = true;
224 /* gfxMacPlatformFontList */
227 gfxMacPlatformFontList::gfxMacPlatformFontList() : CoreTextFontList() {
228 CheckFamilyList(kBaseFonts);
230 // cache this in a static variable so that gfxMacFontFamily objects
231 // don't have to repeatedly look it up
232 sFontManager = [NSFontManager sharedFontManager];
234 // Load the font-list preferences now, so that we don't have to do it from
235 // Init[Shared]FontListForPlatform, which may be called off-main-thread.
236 gfxFontUtils::GetPrefsFontList("font.single-face-list", mSingleFaceFonts);
239 FontVisibility gfxMacPlatformFontList::GetVisibilityForFamily(
240 const nsACString& aName) const {
241 if (aName[0] == '.' || aName.LowerCaseEqualsLiteral("lastresort")) {
242 return FontVisibility::Hidden;
244 if (FamilyInList(aName, kBaseFonts)) {
245 return FontVisibility::Base;
247 #ifdef MOZ_BUNDLED_FONTS
248 if (mBundledFamilies.Contains(aName)) {
249 return FontVisibility::Base;
252 return FontVisibility::User;
255 bool gfxMacPlatformFontList::DeprecatedFamilyIsAvailable(
256 const nsACString& aName) {
257 NSString* family = GetNSStringForString(NS_ConvertUTF8toUTF16(aName));
258 return [[sFontManager availableMembersOfFontFamily:family] count] > 0;
261 void gfxMacPlatformFontList::InitAliasesForSingleFaceList() {
262 for (const auto& familyName : mSingleFaceFonts) {
263 LOG_FONTLIST(("(fontlist-singleface) face name: %s\n", familyName.get()));
264 // Each entry in the "single face families" list is expected to be a
265 // colon-separated pair of FaceName:Family,
266 // where FaceName is the individual face name (psname) of a font
267 // that should be exposed as a separate family name,
268 // and Family is the standard family to which that face belongs.
269 // The only such face listed by default is
271 auto colon = familyName.FindChar(':');
272 if (colon == kNotFound) {
276 // Look for the parent family in the main font family list,
277 // and ensure we have loaded its list of available faces.
279 GenerateFontListKey(Substring(familyName, colon + 1), key);
280 fontlist::Family* family = SharedFontList()->FindFamily(key);
282 // The parent family is not present, so just ignore this entry.
285 if (!family->IsInitialized()) {
286 if (!gfxPlatformFontList::InitializeFamily(family)) {
287 // This shouldn't ever fail, but if it does, we can safely ignore it.
288 MOZ_ASSERT(false, "failed to initialize font family");
293 // Truncate the entry from prefs at the colon, so now it is just the
294 // desired single-face-family name.
295 nsAutoCString aliasName(Substring(familyName, 0, colon));
297 // Look through the family's faces to see if this one is present.
298 fontlist::FontList* list = SharedFontList();
299 const fontlist::Pointer* facePtrs = family->Faces(list);
300 for (size_t i = 0; i < family->NumFaces(); i++) {
301 if (facePtrs[i].IsNull()) {
304 auto* face = facePtrs[i].ToPtr<const fontlist::Face>(list);
305 if (face->mDescriptor.AsString(list).Equals(aliasName)) {
306 // Found it! Create an entry in the Alias table.
307 GenerateFontListKey(aliasName, key);
308 if (SharedFontList()->FindFamily(key) || mAliasTable.Get(key)) {
309 // If the family name is already known, something's misconfigured;
311 MOZ_ASSERT(false, "single-face family already known");
314 auto aliasData = mAliasTable.GetOrInsertNew(key);
315 // The "alias" here isn't based on an existing family, so we don't call
316 // aliasData->InitFromFamily(); the various flags are left as defaults.
317 aliasData->mFaces.AppendElement(facePtrs[i]);
318 aliasData->mBaseFamily = aliasName;
319 aliasData->mVisibility = family->Visibility();
324 if (!mAliasTable.IsEmpty()) {
325 // This will be updated when the font loader completes, but we require
326 // at least the Osaka-Mono alias to be available immediately.
327 SharedFontList()->SetAliases(mAliasTable);
331 void gfxMacPlatformFontList::InitSingleFaceList() {
332 for (const auto& familyName : mSingleFaceFonts) {
333 LOG_FONTLIST(("(fontlist-singleface) face name: %s\n", familyName.get()));
334 // Each entry in the "single face families" list is expected to be a
335 // colon-separated pair of FaceName:Family,
336 // where FaceName is the individual face name (psname) of a font
337 // that should be exposed as a separate family name,
338 // and Family is the standard family to which that face belongs.
339 // The only such face listed by default is
341 auto colon = familyName.FindChar(':');
342 if (colon == kNotFound) {
346 // Look for the parent family in the main font family list,
347 // and ensure we have loaded its list of available faces.
348 nsAutoCString key(Substring(familyName, colon + 1));
350 gfxFontFamily* family = mFontFamilies.GetWeak(key);
351 if (!family || family->IsHidden()) {
354 family->FindStyleVariations();
356 // Truncate the entry from prefs at the colon, so now it is just the
357 // desired single-face-family name.
358 nsAutoCString aliasName(Substring(familyName, 0, colon));
360 // Look through the family's faces to see if this one is present.
361 const gfxFontEntry* fe = nullptr;
363 for (const auto& face : family->GetFontList()) {
364 if (face->Name().Equals(aliasName)) {
369 family->ReadUnlock();
374 // We found the correct face, so create the single-face family record.
375 GenerateFontListKey(aliasName, key);
376 LOG_FONTLIST(("(fontlist-singleface) family name: %s, key: %s\n",
377 aliasName.get(), key.get()));
379 // add only if doesn't exist already
380 if (!mFontFamilies.GetWeak(key)) {
381 RefPtr<gfxFontFamily> familyEntry =
382 new gfxSingleFaceMacFontFamily(aliasName, family->Visibility());
383 // We need a separate font entry, because its family name will
384 // differ from the one we found in the main list.
385 CTFontEntry* fontEntry =
386 new CTFontEntry(fe->Name(), fe->Weight(), true,
387 static_cast<const CTFontEntry*>(fe)->mSizeHint);
388 familyEntry->AddFontEntry(fontEntry);
389 familyEntry->SetHasStyles(true);
390 mFontFamilies.InsertOrUpdate(key, std::move(familyEntry));
391 LOG_FONTLIST(("(fontlist-singleface) added new family: %s, key: %s\n",
392 aliasName.get(), key.get()));
397 // System fonts under OSX may contain weird "meta" names but if we create
398 // a new font using just the Postscript name, the NSFont api returns an object
399 // with the actual real family name. For example, under OSX 10.11:
401 // [[NSFont menuFontOfSize:8.0] familyName] ==> .AppleSystemUIFont
402 // [[NSFont fontWithName:[[[NSFont menuFontOfSize:8.0] fontDescriptor]
404 // size:8.0] familyName] ==> .SF NS Text
406 static NSString* GetRealFamilyName(NSFont* aFont) {
407 NSString* psName = [[aFont fontDescriptor] postscriptName];
408 // With newer macOS versions and SDKs (e.g. when compiled against SDK 10.15),
409 // [NSFont fontWithName:] fails for hidden system fonts, because the
410 // underlying Core Text functions it uses reject such names and tell us to use
411 // the special CTFontCreateUIFontForLanguage API instead. To work around this,
412 // as we don't yet work directly with the CTFontUIFontType identifiers, we
413 // create a Core Graphics font (as it doesn't reject system font names), and
414 // use this to create a Core Text font that we can query for the family name.
415 // Eventually we should move to using CTFontUIFontType constants to identify
416 // system fonts, and eliminate the need to instantiate them (indirectly) from
417 // their postscript names.
418 AutoCFRelease<CGFontRef> cgFont =
419 CGFontCreateWithFontName(CFStringRef(psName));
421 return [aFont familyName];
424 AutoCFRelease<CTFontRef> ctFont =
425 CTFontCreateWithGraphicsFont(cgFont, 0.0, nullptr, nullptr);
427 return [aFont familyName];
429 NSString* familyName = (NSString*)CTFontCopyFamilyName(ctFont);
431 return [familyName autorelease];
434 void gfxMacPlatformFontList::InitSystemFontNames() {
436 NSFont* sys = [NSFont systemFontOfSize:0.0];
437 NSString* textFamilyName = GetRealFamilyName(sys);
438 nsAutoString familyName;
439 nsCocoaUtils::GetStringForNSString(textFamilyName, familyName);
440 CopyUTF16toUTF8(familyName, mSystemFontFamilyName);
442 // We store an in-process gfxFontFamily for the system font even if using the
443 // shared fontlist to manage "normal" fonts, because the hidden system fonts
444 // may be excluded from the font list altogether. This family will be
445 // populated based on the given NSFont.
446 RefPtr<gfxFontFamily> fam = new gfxMacFontFamily(mSystemFontFamilyName, sys);
449 GenerateFontListKey(mSystemFontFamilyName, key);
450 mFontFamilies.InsertOrUpdate(key, std::move(fam));
454 // different system font API's always map to the same family under OSX, so
455 // just assume that and emit a warning if that ever changes
456 NSString* sysFamily = GetRealFamilyName([NSFont systemFontOfSize:0.0]);
457 if ([sysFamily compare:GetRealFamilyName([NSFont
458 boldSystemFontOfSize:0.0])] != NSOrderedSame ||
459 [sysFamily compare:GetRealFamilyName([NSFont
460 controlContentFontOfSize:0.0])] != NSOrderedSame ||
461 [sysFamily compare:GetRealFamilyName([NSFont menuBarFontOfSize:0.0])] !=
463 [sysFamily compare:GetRealFamilyName([NSFont toolTipsFontOfSize:0.0])] !=
465 NS_WARNING("system font types map to different font families"
466 " -- please log a bug!!");
471 FontFamily gfxMacPlatformFontList::GetDefaultFontForPlatform(
472 nsPresContext* aPresContext, const gfxFontStyle* aStyle,
474 nsAutoreleasePool localPool;
476 NSString* defaultFamily = [[NSFont userFontOfSize:aStyle->size] familyName];
477 nsAutoString familyName;
479 GetStringForNSString(defaultFamily, familyName);
480 return FindFamily(aPresContext, NS_ConvertUTF16toUTF8(familyName));
483 void gfxMacPlatformFontList::LookupSystemFont(LookAndFeel::FontID aSystemFontID,
484 nsACString& aSystemFontName,
485 gfxFontStyle& aFontStyle) {
486 // Provide a local pool because we may be called from stylo threads.
487 nsAutoreleasePool localPool;
489 // code moved here from widget/cocoa/nsLookAndFeel.mm
490 NSFont* font = nullptr;
491 switch (aSystemFontID) {
492 case LookAndFeel::FontID::MessageBox:
493 case LookAndFeel::FontID::StatusBar:
494 case LookAndFeel::FontID::MozList:
495 case LookAndFeel::FontID::MozField:
496 case LookAndFeel::FontID::MozButton:
497 font = [NSFont systemFontOfSize:NSFont.smallSystemFontSize];
500 case LookAndFeel::FontID::SmallCaption:
501 font = [NSFont boldSystemFontOfSize:NSFont.smallSystemFontSize];
504 case LookAndFeel::FontID::Icon: // used in urlbar; tried labelFont, but too
506 font = [NSFont controlContentFontOfSize:0.0];
509 case LookAndFeel::FontID::MozPullDownMenu:
510 font = [NSFont menuBarFontOfSize:0.0];
513 case LookAndFeel::FontID::Caption:
514 case LookAndFeel::FontID::Menu:
516 font = [NSFont systemFontOfSize:0.0];
519 NS_ASSERTION(font, "system font not set");
521 aSystemFontName.AssignASCII("-apple-system");
523 NSFontSymbolicTraits traits = font.fontDescriptor.symbolicTraits;
524 aFontStyle.style = (traits & NSFontItalicTrait) ? FontSlantStyle::ITALIC
525 : FontSlantStyle::NORMAL;
527 (traits & NSFontBoldTrait) ? FontWeight::BOLD : FontWeight::NORMAL;
528 aFontStyle.stretch = (traits & NSFontExpandedTrait) ? FontStretch::EXPANDED
529 : (traits & NSFontCondensedTrait)
530 ? FontStretch::CONDENSED
531 : FontStretch::NORMAL;
532 aFontStyle.size = font.pointSize;
533 aFontStyle.systemFont = true;