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diff --git a/gfx/thebes/gfxFT2FontList.cpp b/gfx/thebes/gfxFT2FontList.cpp
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+++ b/gfx/thebes/gfxFT2FontList.cpp
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+/* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 2 -*-
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#include "mozilla/ArrayUtils.h"
+#include "mozilla/Base64.h"
+#include "mozilla/FontPropertyTypes.h"
+#include "mozilla/MemoryReporting.h"
+
+#include "mozilla/dom/ContentChild.h"
+#include "gfxAndroidPlatform.h"
+#include "mozilla/Omnijar.h"
+#include "mozilla/UniquePtr.h"
+#include "mozilla/UniquePtrExtensions.h"
+#include "nsReadableUtils.h"
+
+#include "nsXULAppAPI.h"
+#include <dirent.h>
+#include <android/log.h>
+#define ALOG(args...) __android_log_print(ANDROID_LOG_INFO, "Gecko", ##args)
+
+#include "ft2build.h"
+#include FT_FREETYPE_H
+#include FT_TRUETYPE_TAGS_H
+#include FT_TRUETYPE_TABLES_H
+#include FT_MULTIPLE_MASTERS_H
+#include "cairo-ft.h"
+
+#include "gfxFT2FontList.h"
+#include "gfxFT2Fonts.h"
+#include "gfxFT2Utils.h"
+#include "gfxUserFontSet.h"
+#include "gfxFontUtils.h"
+#include "SharedFontList-impl.h"
+#include "harfbuzz/hb-ot.h" // for name ID constants
+
+#include "nsServiceManagerUtils.h"
+#include "nsIObserverService.h"
+#include "nsTArray.h"
+#include "nsUnicharUtils.h"
+#include "nsCRT.h"
+
+#include "nsDirectoryServiceUtils.h"
+#include "nsDirectoryServiceDefs.h"
+#include "nsAppDirectoryServiceDefs.h"
+#include "nsIMemory.h"
+#include "nsMemory.h"
+#include "gfxFontConstants.h"
+
+#include "mozilla/EndianUtils.h"
+#include "mozilla/Preferences.h"
+#include "mozilla/scache/StartupCache.h"
+#include <fcntl.h>
+#include <sys/mman.h>
+#include <sys/stat.h>
+
+#ifdef MOZ_WIDGET_ANDROID
+# include "mozilla/jni/Utils.h"
+# include <dlfcn.h>
+#endif
+
+using namespace mozilla;
+using namespace mozilla::gfx;
+
+static LazyLogModule sFontInfoLog("fontInfoLog");
+
+#undef LOG
+#define LOG(args) MOZ_LOG(sFontInfoLog, mozilla::LogLevel::Debug, args)
+#define LOG_ENABLED() MOZ_LOG_TEST(sFontInfoLog, mozilla::LogLevel::Debug)
+
+static __inline void BuildKeyNameFromFontName(nsACString& aName) {
+ ToLowerCase(aName);
+}
+
+// Helper to access the FT_Face for a given FT2FontEntry,
+// creating a temporary face if the entry does not have one yet.
+// This allows us to read font names, tables, etc if necessary
+// without permanently instantiating a freetype face and consuming
+// memory long-term.
+// This may fail (resulting in a null FT_Face), e.g. if it fails to
+// allocate memory to uncompress a font from omnijar.
+already_AddRefed<SharedFTFace> FT2FontEntry::GetFTFace(bool aCommit) {
+ if (mFTFace) {
+ return do_AddRef(mFTFace);
+ }
+
+ NS_ASSERTION(!mFilename.IsEmpty(),
+ "can't use GetFTFace for fonts without a filename");
+
+ // A relative path (no initial "/") means this is a resource in
+ // omnijar, not an installed font on the device.
+ // The NS_ASSERTIONs here should never fail, as the resource must have
+ // been read successfully during font-list initialization or we'd never
+ // have created the font entry. The only legitimate runtime failure
+ // here would be memory allocation, in which case mFace remains null.
+ RefPtr<SharedFTFace> face;
+ if (mFilename[0] != '/') {
+ RefPtr<nsZipArchive> reader = Omnijar::GetReader(Omnijar::Type::GRE);
+ nsZipItem* item = reader->GetItem(mFilename.get());
+ NS_ASSERTION(item, "failed to find zip entry");
+
+ uint32_t bufSize = item->RealSize();
+ uint8_t* fontDataBuf = static_cast<uint8_t*>(malloc(bufSize));
+ if (fontDataBuf) {
+ nsZipCursor cursor(item, reader, fontDataBuf, bufSize);
+ cursor.Copy(&bufSize);
+ NS_ASSERTION(bufSize == item->RealSize(), "error reading bundled font");
+ RefPtr<FTUserFontData> ufd = new FTUserFontData(fontDataBuf, bufSize);
+ face = ufd->CloneFace(mFTFontIndex);
+ if (!face) {
+ NS_WARNING("failed to create freetype face");
+ return nullptr;
+ }
+ }
+ } else {
+ face = Factory::NewSharedFTFace(nullptr, mFilename.get(), mFTFontIndex);
+ if (!face) {
+ NS_WARNING("failed to create freetype face");
+ return nullptr;
+ }
+ if (FT_Err_Ok != FT_Select_Charmap(face->GetFace(), FT_ENCODING_UNICODE) &&
+ FT_Err_Ok !=
+ FT_Select_Charmap(face->GetFace(), FT_ENCODING_MS_SYMBOL)) {
+ NS_WARNING("failed to select Unicode or symbol charmap");
+ }
+ }
+
+ if (aCommit) {
+ mFTFace = face;
+ }
+
+ return face.forget();
+}
+
+FTUserFontData* FT2FontEntry::GetUserFontData() {
+ if (mFTFace && mFTFace->GetData()) {
+ return static_cast<FTUserFontData*>(mFTFace->GetData());
+ }
+ return nullptr;
+}
+
+/*
+ * FT2FontEntry
+ * gfxFontEntry subclass corresponding to a specific face that can be
+ * rendered by freetype. This is associated with a face index in a
+ * file (normally a .ttf/.otf file holding a single face, but in principle
+ * there could be .ttc files with multiple faces).
+ * The FT2FontEntry can create the necessary FT_Face on demand, and can
+ * then create a Cairo font_face and scaled_font for drawing.
+ */
+
+FT2FontEntry::~FT2FontEntry() {
+ if (mMMVar) {
+ FT_Done_MM_Var(mFTFace->GetFace()->glyph->library, mMMVar);
+ }
+}
+
+gfxFontEntry* FT2FontEntry::Clone() const {
+ MOZ_ASSERT(!IsUserFont(), "we can only clone installed fonts!");
+ FT2FontEntry* fe = new FT2FontEntry(Name());
+ fe->mFilename = mFilename;
+ fe->mFTFontIndex = mFTFontIndex;
+ fe->mWeightRange = mWeightRange;
+ fe->mStretchRange = mStretchRange;
+ fe->mStyleRange = mStyleRange;
+ return fe;
+}
+
+gfxFont* FT2FontEntry::CreateFontInstance(const gfxFontStyle* aStyle) {
+ RefPtr<SharedFTFace> face = GetFTFace(true);
+ if (!face) {
+ return nullptr;
+ }
+
+ // If variations are present, we will not use our cached mFTFace
+ // but always create a new one as it will have custom variation
+ // coordinates applied.
+ if ((!mVariationSettings.IsEmpty() ||
+ (aStyle && !aStyle->variationSettings.IsEmpty())) &&
+ (face->GetFace()->face_flags & FT_FACE_FLAG_MULTIPLE_MASTERS)) {
+ // Create a separate FT_Face because we need to apply custom
+ // variation settings to it.
+ RefPtr<SharedFTFace> varFace;
+ if (!mFilename.IsEmpty() && mFilename[0] == '/') {
+ varFace =
+ Factory::NewSharedFTFace(nullptr, mFilename.get(), mFTFontIndex);
+ } else {
+ varFace = face->GetData()->CloneFace(mFTFontIndex);
+ }
+ if (varFace) {
+ // Resolve variations from entry (descriptor) and style (property)
+ AutoTArray<gfxFontVariation, 8> settings;
+ GetVariationsForStyle(settings, aStyle ? *aStyle : gfxFontStyle());
+ gfxFT2FontBase::SetupVarCoords(GetMMVar(), settings, varFace->GetFace());
+ face = std::move(varFace);
+ }
+ }
+
+ int loadFlags = gfxPlatform::GetPlatform()->FontHintingEnabled()
+ ? FT_LOAD_DEFAULT
+ : (FT_LOAD_NO_AUTOHINT | FT_LOAD_NO_HINTING);
+ if (face->GetFace()->face_flags & FT_FACE_FLAG_TRICKY) {
+ loadFlags &= ~FT_LOAD_NO_AUTOHINT;
+ }
+
+ RefPtr<UnscaledFontFreeType> unscaledFont(mUnscaledFont);
+ if (!unscaledFont) {
+ unscaledFont = !mFilename.IsEmpty() && mFilename[0] == '/'
+ ? new UnscaledFontFreeType(mFilename.BeginReading(),
+ mFTFontIndex, mFTFace)
+ : new UnscaledFontFreeType(mFTFace);
+ mUnscaledFont = unscaledFont;
+ }
+
+ gfxFont* font =
+ new gfxFT2Font(unscaledFont, std::move(face), this, aStyle, loadFlags);
+ return font;
+}
+
+/* static */
+FT2FontEntry* FT2FontEntry::CreateFontEntry(
+ const nsACString& aFontName, WeightRange aWeight, StretchRange aStretch,
+ SlantStyleRange aStyle, const uint8_t* aFontData, uint32_t aLength) {
+ // Ownership of aFontData is passed in here; the fontEntry must
+ // retain it as long as the FT_Face needs it, and ensure it is
+ // eventually deleted.
+ RefPtr<FTUserFontData> ufd = new FTUserFontData(aFontData, aLength);
+ RefPtr<SharedFTFace> face = ufd->CloneFace();
+ if (!face) {
+ return nullptr;
+ }
+ // Create our FT2FontEntry, which inherits the name of the userfont entry
+ // as it's not guaranteed that the face has valid names (bug 737315)
+ FT2FontEntry* fe =
+ FT2FontEntry::CreateFontEntry(aFontName, nullptr, 0, nullptr);
+ if (fe) {
+ fe->mFTFace = face;
+ fe->mStyleRange = aStyle;
+ fe->mWeightRange = aWeight;
+ fe->mStretchRange = aStretch;
+ fe->mIsDataUserFont = true;
+ }
+ return fe;
+}
+
+/* static */
+FT2FontEntry* FT2FontEntry::CreateFontEntry(const FontListEntry& aFLE) {
+ FT2FontEntry* fe = new FT2FontEntry(aFLE.faceName());
+ fe->mFilename = aFLE.filepath();
+ fe->mFTFontIndex = aFLE.index();
+ fe->mWeightRange = WeightRange::FromScalar(aFLE.weightRange());
+ fe->mStretchRange = StretchRange::FromScalar(aFLE.stretchRange());
+ fe->mStyleRange = SlantStyleRange::FromScalar(aFLE.styleRange());
+ return fe;
+}
+
+// Extract font entry properties from an hb_face_t
+static void SetPropertiesFromFace(gfxFontEntry* aFontEntry,
+ const hb_face_t* aFace) {
+ // OS2 width class to CSS 'stretch' mapping from
+ // https://docs.microsoft.com/en-gb/typography/opentype/spec/os2#uswidthclass
+ const float kOS2WidthToStretch[] = {
+ 100, // (invalid, treat as normal)
+ 50, // Ultra-condensed
+ 62.5, // Extra-condensed
+ 75, // Condensed
+ 87.5, // Semi-condensed
+ 100, // Normal
+ 112.5, // Semi-expanded
+ 125, // Expanded
+ 150, // Extra-expanded
+ 200 // Ultra-expanded
+ };
+
+ // Get the macStyle field from the 'head' table
+ hb_blob_t* blob = hb_face_reference_table(aFace, HB_TAG('h', 'e', 'a', 'd'));
+ unsigned int len;
+ const char* data = hb_blob_get_data(blob, &len);
+ uint16_t style = 0;
+ if (len >= sizeof(HeadTable)) {
+ const HeadTable* head = reinterpret_cast<const HeadTable*>(data);
+ style = head->macStyle;
+ }
+ hb_blob_destroy(blob);
+
+ // Get the OS/2 table for weight & width fields
+ blob = hb_face_reference_table(aFace, HB_TAG('O', 'S', '/', '2'));
+ data = hb_blob_get_data(blob, &len);
+ uint16_t os2weight = 400;
+ float stretch = 100.0;
+ if (len >= offsetof(OS2Table, fsType)) {
+ const OS2Table* os2 = reinterpret_cast<const OS2Table*>(data);
+ os2weight = os2->usWeightClass;
+ uint16_t os2width = os2->usWidthClass;
+ if (os2width < ArrayLength(kOS2WidthToStretch)) {
+ stretch = kOS2WidthToStretch[os2width];
+ }
+ }
+ hb_blob_destroy(blob);
+
+ aFontEntry->mStyleRange = SlantStyleRange(
+ (style & 2) ? FontSlantStyle::Italic() : FontSlantStyle::Normal());
+ aFontEntry->mWeightRange = WeightRange(FontWeight(int(os2weight)));
+ aFontEntry->mStretchRange = StretchRange(FontStretch(stretch));
+}
+
+// Used to create the font entry for installed faces on the device,
+// when iterating over the fonts directories.
+// We use the hb_face_t to retrieve the details needed for the font entry,
+// but do *not* save a reference to it, nor create a cairo face.
+/* static */
+FT2FontEntry* FT2FontEntry::CreateFontEntry(const nsACString& aName,
+ const char* aFilename,
+ uint8_t aIndex,
+ const hb_face_t* aFace) {
+ FT2FontEntry* fe = new FT2FontEntry(aName);
+ fe->mFilename = aFilename;
+ fe->mFTFontIndex = aIndex;
+
+ if (aFace) {
+ SetPropertiesFromFace(fe, aFace);
+ } else {
+ // If nullptr is passed for aFace, the caller is intending to override
+ // these attributes anyway. We just set defaults here to be safe.
+ fe->mStyleRange = SlantStyleRange(FontSlantStyle::Normal());
+ fe->mWeightRange = WeightRange(FontWeight::Normal());
+ fe->mStretchRange = StretchRange(FontStretch::Normal());
+ }
+
+ return fe;
+}
+
+FT2FontEntry* gfxFT2Font::GetFontEntry() {
+ return static_cast<FT2FontEntry*>(mFontEntry.get());
+}
+
+// Copied/modified from similar code in gfxMacPlatformFontList.mm:
+// Complex scripts will not render correctly unless Graphite or OT
+// layout tables are present.
+// For OpenType, we also check that the GSUB table supports the relevant
+// script tag, to avoid using things like Arial Unicode MS for Lao (it has
+// the characters, but lacks OpenType support).
+
+// TODO: consider whether we should move this to gfxFontEntry and do similar
+// cmap-masking on all platforms to avoid using fonts that won't shape
+// properly.
+
+nsresult FT2FontEntry::ReadCMAP(FontInfoData* aFontInfoData) {
+ if (mCharacterMap || mShmemCharacterMap) {
+ return NS_OK;
+ }
+
+ RefPtr<gfxCharacterMap> charmap = new gfxCharacterMap();
+
+ nsresult rv = NS_ERROR_NOT_AVAILABLE;
+ hb_blob_t* cmapBlob = GetFontTable(TTAG_cmap);
+ if (cmapBlob) {
+ unsigned int length;
+ const char* data = hb_blob_get_data(cmapBlob, &length);
+ rv = gfxFontUtils::ReadCMAP((const uint8_t*)data, length, *charmap,
+ mUVSOffset);
+ hb_blob_destroy(cmapBlob);
+ }
+
+ if (NS_SUCCEEDED(rv) && !mIsDataUserFont && !HasGraphiteTables()) {
+ // For downloadable fonts, trust the author and don't
+ // try to munge the cmap based on script shaping support.
+
+ // We also assume a Graphite font knows what it's doing,
+ // and provides whatever shaping is needed for the
+ // characters it supports, so only check/clear the
+ // complex-script ranges for non-Graphite fonts
+
+ // for layout support, check for the presence of opentype layout tables
+ bool hasGSUB = HasFontTable(TRUETYPE_TAG('G', 'S', 'U', 'B'));
+
+ for (const ScriptRange* sr = gfxPlatformFontList::sComplexScriptRanges;
+ sr->rangeStart; sr++) {
+ // check to see if the cmap includes complex script codepoints
+ if (charmap->TestRange(sr->rangeStart, sr->rangeEnd)) {
+ // We check for GSUB here, as GPOS alone would not be ok.
+ if (hasGSUB && SupportsScriptInGSUB(sr->tags, sr->numTags)) {
+ continue;
+ }
+ charmap->ClearRange(sr->rangeStart, sr->rangeEnd);
+ }
+ }
+ }
+
+#ifdef MOZ_WIDGET_ANDROID
+ // Hack for the SamsungDevanagari font, bug 1012365:
+ // pretend the font supports U+0972.
+ if (!charmap->test(0x0972) && charmap->test(0x0905) &&
+ charmap->test(0x0945)) {
+ charmap->set(0x0972);
+ }
+#endif
+
+ mHasCmapTable = NS_SUCCEEDED(rv);
+
+ if (mHasCmapTable) {
+ gfxPlatformFontList* pfl = gfxPlatformFontList::PlatformFontList();
+ fontlist::FontList* sharedFontList = pfl->SharedFontList();
+ if (!IsUserFont() && mShmemFace) {
+ mShmemFace->SetCharacterMap(sharedFontList, charmap); // async
+ if (!TrySetShmemCharacterMap()) {
+ // Temporarily retain charmap, until the shared version is
+ // ready for use.
+ mCharacterMap = charmap;
+ }
+ } else {
+ mCharacterMap = pfl->FindCharMap(charmap);
+ }
+ } else {
+ // if error occurred, initialize to null cmap
+ mCharacterMap = new gfxCharacterMap();
+ }
+
+ return rv;
+}
+
+hb_face_t* FT2FontEntry::CreateHBFace() const {
+ hb_face_t* result = nullptr;
+
+ if (mFilename[0] == '/') {
+ // An absolute path means a normal file in the filesystem, so we can use
+ // hb_blob_create_from_file to read it.
+ hb_blob_t* fileBlob = hb_blob_create_from_file(mFilename.get());
+ if (hb_blob_get_length(fileBlob) > 0) {
+ result = hb_face_create(fileBlob, mFTFontIndex);
+ }
+ hb_blob_destroy(fileBlob);
+ } else {
+ // A relative path means an omnijar resource, which we may need to
+ // decompress to a temporary buffer.
+ RefPtr<nsZipArchive> reader = Omnijar::GetReader(Omnijar::Type::GRE);
+ nsZipItem* item = reader->GetItem(mFilename.get());
+ MOZ_ASSERT(item, "failed to find zip entry");
+ if (item) {
+ // TODO(jfkthame):
+ // Check whether the item is compressed; if not, we could just get a
+ // pointer without needing to allocate a buffer and copy the data.
+ // (Currently this configuration isn't used for Gecko on Android.)
+ uint32_t length = item->RealSize();
+ uint8_t* buffer = static_cast<uint8_t*>(malloc(length));
+ if (buffer) {
+ nsZipCursor cursor(item, reader, buffer, length);
+ cursor.Copy(&length);
+ MOZ_ASSERT(length == item->RealSize(), "error reading font");
+ if (length == item->RealSize()) {
+ hb_blob_t* blob =
+ hb_blob_create((const char*)buffer, length,
+ HB_MEMORY_MODE_READONLY, buffer, free);
+ result = hb_face_create(blob, mFTFontIndex);
+ hb_blob_destroy(blob);
+ }
+ }
+ }
+ }
+
+ return result;
+}
+
+bool FT2FontEntry::HasFontTable(uint32_t aTableTag) {
+ if (mAvailableTables.Count() > 0) {
+ return mAvailableTables.GetEntry(aTableTag);
+ }
+
+ // If we haven't created a FreeType face already, try to avoid that by
+ // reading the available table tags via harfbuzz and caching in a hashset.
+ if (!mFTFace && !mFilename.IsEmpty()) {
+ hb_face_t* face = CreateHBFace();
+ if (face) {
+ // Read table tags in batches; 32 should be enough for most fonts in a
+ // single operation.
+ const unsigned TAG_BUF_LENGTH = 32;
+ hb_tag_t tags[TAG_BUF_LENGTH];
+ unsigned int startOffset = 0;
+ unsigned int totalTables = 0;
+ do {
+ unsigned int count = TAG_BUF_LENGTH;
+ // Updates count to the number of table tags actually retrieved
+ totalTables = hb_face_get_table_tags(face, startOffset, &count, tags);
+ startOffset += count;
+ while (count-- > 0) {
+ mAvailableTables.PutEntry(tags[count]);
+ }
+ } while (startOffset < totalTables);
+ hb_face_destroy(face);
+ } else {
+ // Failed to create the HarfBuzz face! The font is probably broken.
+ // Put a dummy entry in mAvailableTables so that we don't bother
+ // re-trying here.
+ mAvailableTables.PutEntry(uint32_t(-1));
+ }
+ return mAvailableTables.GetEntry(aTableTag);
+ }
+
+ RefPtr<SharedFTFace> face = GetFTFace();
+ return gfxFT2FontEntryBase::FaceHasTable(face, aTableTag);
+}
+
+nsresult FT2FontEntry::CopyFontTable(uint32_t aTableTag,
+ nsTArray<uint8_t>& aBuffer) {
+ RefPtr<SharedFTFace> face = GetFTFace();
+ return gfxFT2FontEntryBase::CopyFaceTable(face, aTableTag, aBuffer);
+}
+
+hb_blob_t* FT2FontEntry::GetFontTable(uint32_t aTableTag) {
+ if (FTUserFontData* userFontData = GetUserFontData()) {
+ // If there's a cairo font face, we may be able to return a blob
+ // that just wraps a range of the attached user font data
+ if (userFontData->FontData()) {
+ return gfxFontUtils::GetTableFromFontData(userFontData->FontData(),
+ aTableTag);
+ }
+ }
+
+ // If the FT_Face hasn't been instantiated, try to read table directly
+ // via harfbuzz API to avoid expensive FT_Face creation.
+ if (!mFTFace && !mFilename.IsEmpty()) {
+ hb_face_t* face = CreateHBFace();
+ if (face) {
+ hb_blob_t* result = hb_face_reference_table(face, aTableTag);
+ hb_face_destroy(face);
+ return result;
+ }
+ }
+
+ // Otherwise, use the default method (which in turn will call our
+ // implementation of CopyFontTable).
+ return gfxFontEntry::GetFontTable(aTableTag);
+}
+
+bool FT2FontEntry::HasVariations() {
+ if (!mHasVariationsInitialized) {
+ mHasVariationsInitialized = true;
+ if (mFTFace) {
+ mHasVariations =
+ mFTFace->GetFace()->face_flags & FT_FACE_FLAG_MULTIPLE_MASTERS;
+ } else {
+ mHasVariations = gfxPlatform::GetPlatform()->HasVariationFontSupport() &&
+ HasFontTable(TRUETYPE_TAG('f', 'v', 'a', 'r'));
+ }
+ }
+ return mHasVariations;
+}
+
+void FT2FontEntry::GetVariationAxes(nsTArray<gfxFontVariationAxis>& aAxes) {
+ if (!HasVariations()) {
+ return;
+ }
+ FT_MM_Var* mmVar = GetMMVar();
+ if (!mmVar) {
+ return;
+ }
+ gfxFT2Utils::GetVariationAxes(mmVar, aAxes);
+}
+
+void FT2FontEntry::GetVariationInstances(
+ nsTArray<gfxFontVariationInstance>& aInstances) {
+ if (!HasVariations()) {
+ return;
+ }
+ FT_MM_Var* mmVar = GetMMVar();
+ if (!mmVar) {
+ return;
+ }
+ gfxFT2Utils::GetVariationInstances(this, mmVar, aInstances);
+}
+
+FT_MM_Var* FT2FontEntry::GetMMVar() {
+ if (mMMVarInitialized) {
+ return mMMVar;
+ }
+ mMMVarInitialized = true;
+ RefPtr<SharedFTFace> face = GetFTFace(true);
+ if (!face) {
+ return nullptr;
+ }
+ if (FT_Err_Ok != FT_Get_MM_Var(face->GetFace(), &mMMVar)) {
+ mMMVar = nullptr;
+ }
+ return mMMVar;
+}
+
+void FT2FontEntry::AddSizeOfExcludingThis(MallocSizeOf aMallocSizeOf,
+ FontListSizes* aSizes) const {
+ gfxFontEntry::AddSizeOfExcludingThis(aMallocSizeOf, aSizes);
+ aSizes->mFontListSize +=
+ mFilename.SizeOfExcludingThisIfUnshared(aMallocSizeOf);
+}
+
+void FT2FontEntry::AddSizeOfIncludingThis(MallocSizeOf aMallocSizeOf,
+ FontListSizes* aSizes) const {
+ aSizes->mFontListSize += aMallocSizeOf(this);
+ AddSizeOfExcludingThis(aMallocSizeOf, aSizes);
+}
+
+/*
+ * FT2FontFamily
+ * A standard gfxFontFamily; just adds a method used to support sending
+ * the font list from chrome to content via IPC.
+ */
+
+void FT2FontFamily::AddFacesToFontList(nsTArray<FontListEntry>* aFontList) {
+ for (int i = 0, n = mAvailableFonts.Length(); i < n; ++i) {
+ const FT2FontEntry* fe =
+ static_cast<const FT2FontEntry*>(mAvailableFonts[i].get());
+ if (!fe) {
+ continue;
+ }
+
+ aFontList->AppendElement(FontListEntry(
+ Name(), fe->Name(), fe->mFilename, fe->Weight().AsScalar(),
+ fe->Stretch().AsScalar(), fe->SlantStyle().AsScalar(), fe->mFTFontIndex,
+ Visibility()));
+ }
+}
+
+/*
+ * Startup cache support for the font list:
+ * We store the list of families and faces, with their style attributes and the
+ * corresponding font files, in the startup cache.
+ * This allows us to recreate the gfxFT2FontList collection of families and
+ * faces without instantiating Freetype faces for each font file (in order to
+ * find their attributes), leading to significantly quicker startup.
+ */
+
+#define CACHE_KEY "font.cached-list"
+
+void gfxFT2FontList::CollectInitData(const FontListEntry& aFLE,
+ const nsCString& aPSName,
+ const nsCString& aFullName,
+ StandardFile aStdFile) {
+ nsAutoCString key(aFLE.familyName());
+ BuildKeyNameFromFontName(key);
+ auto faceList = mFaceInitData.Get(key);
+ if (!faceList) {
+ faceList = new nsTArray<fontlist::Face::InitData>;
+ mFaceInitData.Put(key, faceList);
+ mFamilyInitData.AppendElement(
+ fontlist::Family::InitData{key, aFLE.familyName()});
+ }
+ faceList->AppendElement(
+ fontlist::Face::InitData{aFLE.filepath(), aFLE.index(), false,
+ WeightRange::FromScalar(aFLE.weightRange()),
+ StretchRange::FromScalar(aFLE.stretchRange()),
+ SlantStyleRange::FromScalar(aFLE.styleRange())});
+ nsAutoCString psname(aPSName), fullname(aFullName);
+ if (!psname.IsEmpty()) {
+ ToLowerCase(psname);
+ mLocalNameTable.Put(psname,
+ fontlist::LocalFaceRec::InitData(key, aFLE.filepath()));
+ }
+ if (!fullname.IsEmpty()) {
+ ToLowerCase(fullname);
+ if (fullname != psname) {
+ mLocalNameTable.Put(
+ fullname, fontlist::LocalFaceRec::InitData(key, aFLE.filepath()));
+ }
+ }
+}
+
+class FontNameCache {
+ public:
+ // Delimiters used in the cached font-list records we store in startupCache
+ static const char kFileSep = 0x1c;
+ static const char kGroupSep = 0x1d;
+ static const char kRecordSep = 0x1e;
+ static const char kFieldSep = 0x1f;
+
+ // Separator for font property ranges; we only look for this within a
+ // field that holds a serialized FontPropertyValue or Range, so there's no
+ // risk of conflicting with printable characters in font names.
+ // Note that this must be a character that will terminate strtof() parsing
+ // of a number.
+ static const char kRangeSep = ':';
+
+ // Creates the object but does NOT load the cached data from the startup
+ // cache; call Init() after creation to do that.
+ FontNameCache() : mMap(&mOps, sizeof(FNCMapEntry), 0), mWriteNeeded(false) {
+ // HACK ALERT: it's weird to assign |mOps| after we passed a pointer to
+ // it to |mMap|'s constructor. A more normal approach here would be to
+ // have a static |sOps| member. Unfortunately, this mysteriously but
+ // consistently makes Fennec start-up slower, so we take this
+ // unorthodox approach instead. It's safe because PLDHashTable's
+ // constructor doesn't dereference the pointer; it just makes a copy of
+ // it.
+ mOps = (PLDHashTableOps){StringHash, HashMatchEntry, MoveEntry,
+ PLDHashTable::ClearEntryStub, nullptr};
+
+ MOZ_ASSERT(XRE_IsParentProcess(),
+ "FontNameCache should only be used in chrome process");
+ mCache = mozilla::scache::StartupCache::GetSingleton();
+ }
+
+ ~FontNameCache() { WriteCache(); }
+
+ size_t EntryCount() const { return mMap.EntryCount(); }
+
+ void DropStaleEntries() {
+ for (auto iter = mMap.Iter(); !iter.Done(); iter.Next()) {
+ auto entry = static_cast<FNCMapEntry*>(iter.Get());
+ if (!entry->mFileExists) {
+ iter.Remove();
+ }
+ }
+ }
+
+ void WriteCache() {
+ if (!mWriteNeeded || !mCache) {
+ return;
+ }
+
+ LOG(("Writing FontNameCache:"));
+ nsAutoCString buf;
+ for (auto iter = mMap.Iter(); !iter.Done(); iter.Next()) {
+ auto entry = static_cast<FNCMapEntry*>(iter.Get());
+ MOZ_ASSERT(entry->mFileExists);
+ buf.Append(entry->mFilename);
+ buf.Append(kGroupSep);
+ buf.Append(entry->mFaces);
+ buf.Append(kGroupSep);
+ buf.AppendInt(entry->mTimestamp);
+ buf.Append(kGroupSep);
+ buf.AppendInt(entry->mFilesize);
+ buf.Append(kFileSep);
+ }
+
+ LOG(("putting FontNameCache to " CACHE_KEY ", length %u",
+ buf.Length() + 1));
+ mCache->PutBuffer(CACHE_KEY, UniquePtr<char[]>(ToNewCString(buf)),
+ buf.Length() + 1);
+ mWriteNeeded = false;
+ }
+
+ // This may be called more than once (if we re-load the font list).
+ void Init() {
+ if (!mCache) {
+ return;
+ }
+
+ uint32_t size;
+ const char* cur;
+ if (NS_FAILED(mCache->GetBuffer(CACHE_KEY, &cur, &size))) {
+ LOG(("no cache of " CACHE_KEY));
+ return;
+ }
+
+ LOG(("got: %u bytes from the cache " CACHE_KEY, size));
+
+ mMap.Clear();
+ mWriteNeeded = false;
+
+ while (const char* fileEnd = strchr(cur, kFileSep)) {
+ // The cached record for one file is at [cur, fileEnd].
+
+ // Find end of field that starts at aStart, terminated by kGroupSep or
+ // end of record.
+ auto endOfField = [=](const char* aStart) -> const char* {
+ MOZ_ASSERT(aStart <= fileEnd);
+ const char* end = static_cast<const char*>(
+ memchr(aStart, kGroupSep, fileEnd - aStart));
+ if (end) {
+ return end;
+ }
+ return fileEnd;
+ };
+
+ // Advance aStart and aEnd to indicate the range of the next field and
+ // return true, or just return false if already at end of record.
+ auto nextField = [=](const char*& aStart, const char*& aEnd) -> bool {
+ if (aEnd < fileEnd) {
+ aStart = aEnd + 1;
+ aEnd = endOfField(aStart);
+ return true;
+ }
+ return false;
+ };
+
+ const char* end = endOfField(cur);
+ nsCString filename(cur, end - cur);
+ if (!nextField(cur, end)) {
+ break;
+ }
+ nsCString faceList(cur, end - cur);
+ if (!nextField(cur, end)) {
+ break;
+ }
+ uint32_t timestamp = strtoul(cur, nullptr, 10);
+ if (!nextField(cur, end)) {
+ break;
+ }
+ uint32_t filesize = strtoul(cur, nullptr, 10);
+
+ auto mapEntry =
+ static_cast<FNCMapEntry*>(mMap.Add(filename.get(), fallible));
+ if (mapEntry) {
+ mapEntry->mFilename.Assign(filename);
+ mapEntry->mTimestamp = timestamp;
+ mapEntry->mFilesize = filesize;
+ mapEntry->mFaces.Assign(faceList);
+ // entries from the startupcache are marked "non-existing"
+ // until we have confirmed that the file still exists
+ mapEntry->mFileExists = false;
+ }
+
+ cur = fileEnd + 1;
+ }
+ }
+
+ void GetInfoForFile(const nsCString& aFileName, nsCString& aFaceList,
+ uint32_t* aTimestamp, uint32_t* aFilesize) {
+ auto entry = static_cast<FNCMapEntry*>(mMap.Search(aFileName.get()));
+ if (entry) {
+ *aTimestamp = entry->mTimestamp;
+ *aFilesize = entry->mFilesize;
+ aFaceList.Assign(entry->mFaces);
+ // this entry does correspond to an existing file
+ // (although it might not be up-to-date, in which case
+ // it will get overwritten via CacheFileInfo)
+ entry->mFileExists = true;
+ }
+ }
+
+ void CacheFileInfo(const nsCString& aFileName, const nsCString& aFaceList,
+ uint32_t aTimestamp, uint32_t aFilesize) {
+ auto entry = static_cast<FNCMapEntry*>(mMap.Add(aFileName.get(), fallible));
+ if (entry) {
+ entry->mFilename.Assign(aFileName);
+ entry->mTimestamp = aTimestamp;
+ entry->mFilesize = aFilesize;
+ entry->mFaces.Assign(aFaceList);
+ entry->mFileExists = true;
+ }
+ mWriteNeeded = true;
+ }
+
+ private:
+ mozilla::scache::StartupCache* mCache;
+ PLDHashTable mMap;
+ bool mWriteNeeded;
+
+ PLDHashTableOps mOps;
+
+ struct FNCMapEntry : public PLDHashEntryHdr {
+ public:
+ nsCString mFilename;
+ uint32_t mTimestamp;
+ uint32_t mFilesize;
+ nsCString mFaces;
+ bool mFileExists;
+ };
+
+ static PLDHashNumber StringHash(const void* key) {
+ return HashString(reinterpret_cast<const char*>(key));
+ }
+
+ static bool HashMatchEntry(const PLDHashEntryHdr* aHdr, const void* key) {
+ const FNCMapEntry* entry = static_cast<const FNCMapEntry*>(aHdr);
+ return entry->mFilename.Equals(reinterpret_cast<const char*>(key));
+ }
+
+ static void MoveEntry(PLDHashTable* table, const PLDHashEntryHdr* aFrom,
+ PLDHashEntryHdr* aTo) {
+ FNCMapEntry* to = static_cast<FNCMapEntry*>(aTo);
+ const FNCMapEntry* from = static_cast<const FNCMapEntry*>(aFrom);
+ to->mFilename.Assign(from->mFilename);
+ to->mTimestamp = from->mTimestamp;
+ to->mFilesize = from->mFilesize;
+ to->mFaces.Assign(from->mFaces);
+ to->mFileExists = from->mFileExists;
+ }
+};
+
+/***************************************************************
+ *
+ * gfxFT2FontList
+ *
+ */
+
+// For Mobile, we use gfxFT2Fonts, and we build the font list by directly
+// scanning the system's Fonts directory for OpenType and TrueType files.
+
+#define JAR_LAST_MODIFED_TIME "jar-last-modified-time"
+
+class WillShutdownObserver : public nsIObserver {
+ public:
+ NS_DECL_ISUPPORTS
+ NS_DECL_NSIOBSERVER
+
+ explicit WillShutdownObserver(gfxFT2FontList* aFontList)
+ : mFontList(aFontList) {}
+
+ void Remove() {
+ nsCOMPtr<nsIObserverService> obs = services::GetObserverService();
+ if (obs) {
+ obs->RemoveObserver(this, NS_XPCOM_WILL_SHUTDOWN_OBSERVER_ID);
+ }
+ mFontList = nullptr;
+ }
+
+ protected:
+ virtual ~WillShutdownObserver() = default;
+
+ gfxFT2FontList* mFontList;
+};
+
+NS_IMPL_ISUPPORTS(WillShutdownObserver, nsIObserver)
+
+NS_IMETHODIMP
+WillShutdownObserver::Observe(nsISupports* aSubject, const char* aTopic,
+ const char16_t* aData) {
+ if (!nsCRT::strcmp(aTopic, NS_XPCOM_WILL_SHUTDOWN_OBSERVER_ID)) {
+ mFontList->WillShutdown();
+ } else {
+ MOZ_ASSERT_UNREACHABLE("unexpected notification topic");
+ }
+ return NS_OK;
+}
+
+gfxFT2FontList::gfxFT2FontList() : mJarModifiedTime(0) {
+ nsCOMPtr<nsIObserverService> obs = services::GetObserverService();
+ if (obs) {
+ mObserver = new WillShutdownObserver(this);
+ obs->AddObserver(mObserver, NS_XPCOM_WILL_SHUTDOWN_OBSERVER_ID, false);
+ }
+}
+
+gfxFT2FontList::~gfxFT2FontList() {
+ if (mObserver) {
+ mObserver->Remove();
+ }
+}
+
+bool gfxFT2FontList::AppendFacesFromCachedFaceList(CollectFunc aCollectFace,
+ const nsCString& aFileName,
+ const nsCString& aFaceList,
+ StandardFile aStdFile) {
+ const char* start = aFaceList.get();
+ int count = 0;
+
+ while (const char* recEnd = strchr(start, FontNameCache::kRecordSep)) {
+ auto endOfField = [=](const char* aStart) -> const char* {
+ MOZ_ASSERT(aStart <= recEnd);
+ const char* end = static_cast<const char*>(
+ memchr(aStart, FontNameCache::kFieldSep, recEnd - aStart));
+ if (end) {
+ return end;
+ }
+ return recEnd;
+ };
+
+ auto nextField = [=](const char*& aStart, const char*& aEnd) -> bool {
+ if (aEnd < recEnd) {
+ aStart = aEnd + 1;
+ aEnd = endOfField(aStart);
+ return true;
+ }
+ return false;
+ };
+
+ const char* end = endOfField(start);
+ nsAutoCString familyName(start, end - start);
+ nsAutoCString key(familyName);
+ ToLowerCase(key);
+
+ if (!nextField(start, end)) {
+ break;
+ }
+ nsAutoCString faceName(start, end - start);
+
+ if (!nextField(start, end)) {
+ break;
+ }
+ uint32_t index = strtoul(start, nullptr, 10);
+
+ if (!nextField(start, end)) {
+ break;
+ }
+ nsAutoCString minStyle(start, end - start);
+ nsAutoCString maxStyle(minStyle);
+ int32_t colon = minStyle.FindChar(FontNameCache::kRangeSep);
+ if (colon > 0) {
+ maxStyle.Assign(minStyle.BeginReading() + colon + 1);
+ minStyle.Truncate(colon);
+ }
+
+ if (!nextField(start, end)) {
+ break;
+ }
+ char* limit;
+ float minWeight = strtof(start, &limit);
+ float maxWeight;
+ if (*limit == FontNameCache::kRangeSep && limit + 1 < end) {
+ maxWeight = strtof(limit + 1, nullptr);
+ } else {
+ maxWeight = minWeight;
+ }
+
+ if (!nextField(start, end)) {
+ break;
+ }
+ float minStretch = strtof(start, &limit);
+ float maxStretch;
+ if (*limit == FontNameCache::kRangeSep && limit + 1 < end) {
+ maxStretch = strtof(limit + 1, nullptr);
+ } else {
+ maxStretch = minStretch;
+ }
+
+ if (!nextField(start, end)) {
+ break;
+ }
+ nsAutoCString psname(start, end - start);
+
+ if (!nextField(start, end)) {
+ break;
+ }
+ nsAutoCString fullname(start, end - start);
+
+ if (!nextField(start, end)) {
+ break;
+ }
+ FontVisibility visibility = FontVisibility(strtoul(start, nullptr, 10));
+
+ FontListEntry fle(
+ familyName, faceName, aFileName,
+ WeightRange(FontWeight(minWeight), FontWeight(maxWeight)).AsScalar(),
+ StretchRange(FontStretch(minStretch), FontStretch(maxStretch))
+ .AsScalar(),
+ SlantStyleRange(FontSlantStyle::FromString(minStyle.get()),
+ FontSlantStyle::FromString(maxStyle.get()))
+ .AsScalar(),
+ index, visibility);
+
+ aCollectFace(fle, psname, fullname, aStdFile);
+ count++;
+
+ start = recEnd + 1;
+ }
+
+ return count > 0;
+}
+
+void FT2FontEntry::AppendToFaceList(nsCString& aFaceList,
+ const nsACString& aFamilyName,
+ const nsACString& aPSName,
+ const nsACString& aFullName,
+ FontVisibility aVisibility) {
+ aFaceList.Append(aFamilyName);
+ aFaceList.Append(FontNameCache::kFieldSep);
+ aFaceList.Append(Name());
+ aFaceList.Append(FontNameCache::kFieldSep);
+ aFaceList.AppendInt(mFTFontIndex);
+ aFaceList.Append(FontNameCache::kFieldSep);
+ // Note that ToString() appends to the destination string without
+ // replacing existing contents (see FontPropertyTypes.h)
+ SlantStyle().Min().ToString(aFaceList);
+ aFaceList.Append(FontNameCache::kRangeSep);
+ SlantStyle().Max().ToString(aFaceList);
+ aFaceList.Append(FontNameCache::kFieldSep);
+ aFaceList.AppendFloat(Weight().Min().ToFloat());
+ aFaceList.Append(FontNameCache::kRangeSep);
+ aFaceList.AppendFloat(Weight().Max().ToFloat());
+ aFaceList.Append(FontNameCache::kFieldSep);
+ aFaceList.AppendFloat(Stretch().Min().Percentage());
+ aFaceList.Append(FontNameCache::kRangeSep);
+ aFaceList.AppendFloat(Stretch().Max().Percentage());
+ aFaceList.Append(FontNameCache::kFieldSep);
+ aFaceList.Append(aPSName);
+ aFaceList.Append(FontNameCache::kFieldSep);
+ aFaceList.Append(aFullName);
+ aFaceList.Append(FontNameCache::kFieldSep);
+ aFaceList.AppendInt(int(aVisibility));
+ aFaceList.Append(FontNameCache::kRecordSep);
+}
+
+void FT2FontEntry::CheckForBrokenFont(gfxFontFamily* aFamily) {
+ // note if the family is in the "bad underline" blocklist
+ if (aFamily->IsBadUnderlineFamily()) {
+ mIsBadUnderlineFont = true;
+ }
+ nsAutoCString familyKey(aFamily->Name());
+ BuildKeyNameFromFontName(familyKey);
+ CheckForBrokenFont(familyKey);
+}
+
+void FT2FontEntry::CheckForBrokenFont(const nsACString& aFamilyKey) {
+ // bug 721719 - set the IgnoreGSUB flag on entries for Roboto
+ // because of unwanted on-by-default "ae" ligature.
+ // (See also AppendFaceFromFontListEntry.)
+ if (aFamilyKey.EqualsLiteral("roboto")) {
+ mIgnoreGSUB = true;
+ return;
+ }
+
+ // bug 706888 - set the IgnoreGSUB flag on the broken version of
+ // Droid Sans Arabic from certain phones, as identified by the
+ // font checksum in the 'head' table
+ if (aFamilyKey.EqualsLiteral("droid sans arabic")) {
+ RefPtr<SharedFTFace> face = GetFTFace();
+ if (face) {
+ const TT_Header* head = static_cast<const TT_Header*>(
+ FT_Get_Sfnt_Table(face->GetFace(), ft_sfnt_head));
+ if (head && head->CheckSum_Adjust == 0xe445242) {
+ mIgnoreGSUB = true;
+ }
+ }
+ }
+}
+
+void gfxFT2FontList::AppendFacesFromBlob(
+ const nsCString& aFileName, StandardFile aStdFile, hb_blob_t* aBlob,
+ FontNameCache* aCache, uint32_t aTimestamp, uint32_t aFilesize) {
+ nsCString newFaceList;
+ uint32_t numFaces = 1;
+ unsigned int length;
+ const char* data = hb_blob_get_data(aBlob, &length);
+ // Check for a possible TrueType Collection
+ if (length >= sizeof(TTCHeader)) {
+ const TTCHeader* ttc = reinterpret_cast<const TTCHeader*>(data);
+ if (ttc->ttcTag == TRUETYPE_TAG('t', 't', 'c', 'f')) {
+ numFaces = ttc->numFonts;
+ }
+ }
+ for (unsigned int index = 0; index < numFaces; index++) {
+ hb_face_t* face = hb_face_create(aBlob, index);
+ if (face != hb_face_get_empty()) {
+ AddFaceToList(aFileName, index, aStdFile, face, newFaceList);
+ }
+ hb_face_destroy(face);
+ }
+ if (aCache && !newFaceList.IsEmpty()) {
+ aCache->CacheFileInfo(aFileName, newFaceList, aTimestamp, aFilesize);
+ }
+}
+
+void gfxFT2FontList::AppendFacesFromFontFile(const nsCString& aFileName,
+ FontNameCache* aCache,
+ StandardFile aStdFile) {
+ nsCString cachedFaceList;
+ uint32_t filesize = 0, timestamp = 0;
+ if (aCache) {
+ aCache->GetInfoForFile(aFileName, cachedFaceList, &timestamp, &filesize);
+ }
+
+ struct stat s;
+ int statRetval = stat(aFileName.get(), &s);
+ if (!cachedFaceList.IsEmpty() && 0 == statRetval &&
+ uint32_t(s.st_mtime) == timestamp && s.st_size == filesize) {
+ CollectFunc unshared =
+ [](const FontListEntry& aFLE, const nsCString& aPSName,
+ const nsCString& aFullName, StandardFile aStdFile) {
+ PlatformFontList()->AppendFaceFromFontListEntry(aFLE, aStdFile);
+ };
+ CollectFunc shared = [](const FontListEntry& aFLE, const nsCString& aPSName,
+ const nsCString& aFullName, StandardFile aStdFile) {
+ PlatformFontList()->CollectInitData(aFLE, aPSName, aFullName, aStdFile);
+ };
+ if (AppendFacesFromCachedFaceList(SharedFontList() ? shared : unshared,
+ aFileName, cachedFaceList, aStdFile)) {
+ LOG(("using cached font info for %s", aFileName.get()));
+ return;
+ }
+ }
+
+ hb_blob_t* fileBlob = hb_blob_create_from_file(aFileName.get());
+ if (hb_blob_get_length(fileBlob) > 0) {
+ LOG(("reading font info via harfbuzz for %s", aFileName.get()));
+ AppendFacesFromBlob(aFileName, aStdFile, fileBlob,
+ 0 == statRetval ? aCache : nullptr, s.st_mtime,
+ s.st_size);
+ }
+ hb_blob_destroy(fileBlob);
+}
+
+void gfxFT2FontList::FindFontsInOmnijar(FontNameCache* aCache) {
+ bool jarChanged = false;
+
+ mozilla::scache::StartupCache* cache =
+ mozilla::scache::StartupCache::GetSingleton();
+ const char* cachedModifiedTimeBuf;
+ uint32_t longSize;
+ if (cache &&
+ NS_SUCCEEDED(cache->GetBuffer(JAR_LAST_MODIFED_TIME,
+ &cachedModifiedTimeBuf, &longSize)) &&
+ longSize == sizeof(int64_t)) {
+ nsCOMPtr<nsIFile> jarFile = Omnijar::GetPath(Omnijar::Type::GRE);
+ jarFile->GetLastModifiedTime(&mJarModifiedTime);
+ if (mJarModifiedTime > LittleEndian::readInt64(cachedModifiedTimeBuf)) {
+ jarChanged = true;
+ }
+ }
+
+ static const char* sJarSearchPaths[] = {
+ "res/fonts/*.ttf$",
+ };
+ RefPtr<nsZipArchive> reader = Omnijar::GetReader(Omnijar::Type::GRE);
+ for (unsigned i = 0; i < ArrayLength(sJarSearchPaths); i++) {
+ nsZipFind* find;
+ if (NS_SUCCEEDED(reader->FindInit(sJarSearchPaths[i], &find))) {
+ const char* path;
+ uint16_t len;
+ while (NS_SUCCEEDED(find->FindNext(&path, &len))) {
+ nsCString entryName(path, len);
+ AppendFacesFromOmnijarEntry(reader, entryName, aCache, jarChanged);
+ }
+ delete find;
+ }
+ }
+}
+
+static void GetName(hb_face_t* aFace, hb_ot_name_id_t aNameID,
+ nsACString& aName) {
+ unsigned int n = 0;
+ n = hb_ot_name_get_utf8(aFace, aNameID, HB_LANGUAGE_INVALID, &n, nullptr);
+ if (n) {
+ aName.SetLength(n++); // increment n to account for NUL terminator
+ n = hb_ot_name_get_utf8(aFace, aNameID, HB_LANGUAGE_INVALID, &n,
+ aName.BeginWriting());
+ }
+}
+
+// Given the harfbuzz face corresponding to an entryName and face index,
+// add the face to the available font list and to the faceList string
+void gfxFT2FontList::AddFaceToList(const nsCString& aEntryName, uint32_t aIndex,
+ StandardFile aStdFile, hb_face_t* aFace,
+ nsCString& aFaceList) {
+ nsAutoCString familyName;
+ bool preferTypographicNames = true;
+ GetName(aFace, HB_OT_NAME_ID_TYPOGRAPHIC_FAMILY, familyName);
+ if (familyName.IsEmpty()) {
+ preferTypographicNames = false;
+ GetName(aFace, HB_OT_NAME_ID_FONT_FAMILY, familyName);
+ }
+ if (familyName.IsEmpty()) {
+ return;
+ }
+
+ nsAutoCString fullname;
+ GetName(aFace, HB_OT_NAME_ID_FULL_NAME, fullname);
+ if (fullname.IsEmpty()) {
+ // Construct fullname from family + style
+ fullname = familyName;
+ nsAutoCString styleName;
+ if (preferTypographicNames) {
+ GetName(aFace, HB_OT_NAME_ID_TYPOGRAPHIC_SUBFAMILY, styleName);
+ }
+ if (styleName.IsEmpty()) {
+ GetName(aFace, HB_OT_NAME_ID_FONT_SUBFAMILY, styleName);
+ }
+ if (!styleName.IsEmpty() && !styleName.EqualsLiteral("Regular")) {
+ fullname.Append(' ');
+ fullname.Append(styleName);
+ }
+ }
+
+ // Build the font entry name and create an FT2FontEntry,
+ // but do -not- keep a reference to the FT_Face.
+ // (When using the shared font list, this entry will not be retained,
+ // it is used only to call AppendToFaceList.)
+ RefPtr<FT2FontEntry> fe =
+ FT2FontEntry::CreateFontEntry(fullname, aEntryName.get(), aIndex, aFace);
+
+ if (fe) {
+ fe->mStandardFace = (aStdFile == kStandard);
+ nsAutoCString familyKey(familyName);
+ BuildKeyNameFromFontName(familyKey);
+
+ FontVisibility visibility = FontVisibility::Unknown;
+
+ nsAutoCString psname;
+ GetName(aFace, HB_OT_NAME_ID_POSTSCRIPT_NAME, psname);
+
+ if (SharedFontList()) {
+ FontListEntry fle(familyName, fe->Name(), fe->mFilename,
+ fe->Weight().AsScalar(), fe->Stretch().AsScalar(),
+ fe->SlantStyle().AsScalar(), fe->mFTFontIndex,
+ visibility);
+ CollectInitData(fle, psname, fullname, aStdFile);
+ } else {
+ RefPtr<gfxFontFamily> family = mFontFamilies.GetWeak(familyKey);
+ if (!family) {
+ family = new FT2FontFamily(familyName, visibility);
+ mFontFamilies.Put(familyKey, RefPtr{family});
+ if (mSkipSpaceLookupCheckFamilies.Contains(familyKey)) {
+ family->SetSkipSpaceFeatureCheck(true);
+ }
+ if (mBadUnderlineFamilyNames.ContainsSorted(familyKey)) {
+ family->SetBadUnderlineFamily();
+ }
+ }
+ family->AddFontEntry(fe);
+ fe->CheckForBrokenFont(family);
+ }
+
+ fe->AppendToFaceList(aFaceList, familyName, psname, fullname, visibility);
+ if (LOG_ENABLED()) {
+ nsAutoCString weightString;
+ fe->Weight().ToString(weightString);
+ nsAutoCString stretchString;
+ fe->Stretch().ToString(stretchString);
+ LOG(
+ ("(fontinit) added (%s) to family (%s)"
+ " with style: %s weight: %s stretch: %s",
+ fe->Name().get(), familyName.get(),
+ fe->IsItalic() ? "italic" : "normal", weightString.get(),
+ stretchString.get()));
+ }
+ }
+}
+
+void gfxFT2FontList::AppendFacesFromOmnijarEntry(nsZipArchive* aArchive,
+ const nsCString& aEntryName,
+ FontNameCache* aCache,
+ bool aJarChanged) {
+ nsCString faceList;
+ if (aCache && !aJarChanged) {
+ uint32_t filesize, timestamp;
+ aCache->GetInfoForFile(aEntryName, faceList, &timestamp, &filesize);
+ if (faceList.Length() > 0) {
+ CollectFunc unshared =
+ [](const FontListEntry& aFLE, const nsCString& aPSName,
+ const nsCString& aFullName, StandardFile aStdFile) {
+ PlatformFontList()->AppendFaceFromFontListEntry(aFLE, aStdFile);
+ };
+ CollectFunc shared = [](const FontListEntry& aFLE,
+ const nsCString& aPSName,
+ const nsCString& aFullName,
+ StandardFile aStdFile) {
+ PlatformFontList()->CollectInitData(aFLE, aPSName, aFullName, aStdFile);
+ };
+ if (AppendFacesFromCachedFaceList(SharedFontList() ? shared : unshared,
+ aEntryName, faceList, kStandard)) {
+ return;
+ }
+ }
+ }
+
+ nsZipItem* item = aArchive->GetItem(aEntryName.get());
+ NS_ASSERTION(item, "failed to find zip entry");
+
+ uint32_t bufSize = item->RealSize();
+
+ // We use fallible allocation here; if there's not enough RAM, we'll simply
+ // ignore the bundled fonts and fall back to the device's installed fonts.
+ char* buffer = static_cast<char*>(malloc(bufSize));
+ if (!buffer) {
+ return;
+ }
+
+ nsZipCursor cursor(item, aArchive, (uint8_t*)buffer, bufSize);
+ uint8_t* data = cursor.Copy(&bufSize);
+ MOZ_ASSERT(data && bufSize == item->RealSize(), "error reading bundled font");
+ if (!data) {
+ return;
+ }
+
+ hb_blob_t* blob =
+ hb_blob_create(buffer, bufSize, HB_MEMORY_MODE_READONLY, buffer, free);
+ AppendFacesFromBlob(aEntryName, kStandard, blob, aCache, 0, bufSize);
+ hb_blob_destroy(blob);
+}
+
+// Called on each family after all fonts are added to the list;
+// if aSortFaces is true this will sort faces to give priority to "standard"
+// font files.
+static void FinalizeFamilyMemberList(nsCStringHashKey::KeyType aKey,
+ RefPtr<gfxFontFamily>& aFamily,
+ bool aSortFaces) {
+ gfxFontFamily* family = aFamily.get();
+
+ family->SetHasStyles(true);
+
+ if (aSortFaces) {
+ family->SortAvailableFonts();
+ }
+ family->CheckForSimpleFamily();
+}
+
+void gfxFT2FontList::FindFonts() {
+ MOZ_ASSERT(XRE_IsParentProcess());
+
+ // Chrome process: get the cached list (if any)
+ if (!mFontNameCache) {
+ mFontNameCache = MakeUnique<FontNameCache>();
+ }
+ mFontNameCache->Init();
+
+#if defined(MOZ_WIDGET_ANDROID)
+ // Android API 29+ provides system font and font matcher API for native code.
+ typedef void* (*_ASystemFontIterator_open)();
+ typedef void* (*_ASystemFontIterator_next)(void*);
+ typedef void (*_ASystemFontIterator_close)(void*);
+ typedef const char* (*_AFont_getFontFilePath)(const void*);
+ typedef void (*_AFont_close)(void*);
+
+ static _ASystemFontIterator_open systemFontIterator_open = nullptr;
+ static _ASystemFontIterator_next systemFontIterator_next = nullptr;
+ static _ASystemFontIterator_close systemFontIterator_close = nullptr;
+ static _AFont_getFontFilePath font_getFontFilePath = nullptr;
+ static _AFont_close font_close = nullptr;
+
+ static bool firstTime = true;
+
+ if (firstTime) {
+ if (jni::GetAPIVersion() >= 29) {
+ void* handle = dlopen("libandroid.so", RTLD_LAZY | RTLD_LOCAL);
+ MOZ_ASSERT(handle);
+
+ systemFontIterator_open =
+ (_ASystemFontIterator_open)dlsym(handle, "ASystemFontIterator_open");
+ systemFontIterator_next =
+ (_ASystemFontIterator_next)dlsym(handle, "ASystemFontIterator_next");
+ systemFontIterator_close = (_ASystemFontIterator_close)dlsym(
+ handle, "ASystemFontIterator_close");
+ font_getFontFilePath =
+ (_AFont_getFontFilePath)dlsym(handle, "AFont_getFontFilePath");
+ font_close = (_AFont_close)dlsym(handle, "AFont_close");
+
+ if (NS_WARN_IF(!systemFontIterator_next) ||
+ NS_WARN_IF(!systemFontIterator_close) ||
+ NS_WARN_IF(!font_getFontFilePath) || NS_WARN_IF(!font_close)) {
+ // Since any functions aren't resolved, use old way to enumerate fonts.
+ systemFontIterator_open = nullptr;
+ }
+ }
+ firstTime = false;
+ }
+
+ bool useSystemFontAPI = !!systemFontIterator_open;
+ if (useSystemFontAPI) {
+ void* iter = systemFontIterator_open();
+ if (iter) {
+ void* font = systemFontIterator_next(iter);
+ while (font) {
+ nsAutoCString path(font_getFontFilePath(font));
+ AppendFacesFromFontFile(path, mFontNameCache.get(), kStandard);
+ font_close(font);
+ font = systemFontIterator_next(iter);
+ }
+
+ systemFontIterator_close(iter);
+ } else {
+ useSystemFontAPI = false;
+ }
+ }
+
+ if (!useSystemFontAPI)
+#endif
+ {
+ // ANDROID_ROOT is the root of the android system, typically /system;
+ // font files are in /$ANDROID_ROOT/fonts/
+ nsCString root;
+ char* androidRoot = PR_GetEnv("ANDROID_ROOT");
+ if (androidRoot) {
+ root = androidRoot;
+ } else {
+ root = "/system"_ns;
+ }
+ root.AppendLiteral("/fonts");
+
+ FindFontsInDir(root, mFontNameCache.get());
+ }
+
+ // Look for fonts stored in omnijar, unless we're on a low-memory
+ // device where we don't want to spend the RAM to decompress them.
+ // (Prefs may disable this, or force-enable it even with low memory.)
+ bool lowmem;
+ nsCOMPtr<nsIMemory> mem = nsMemory::GetGlobalMemoryService();
+ if (StaticPrefs::gfx_bundled_fonts_activate_AtStartup() > 0 ||
+ (StaticPrefs::gfx_bundled_fonts_activate_AtStartup() < 0 &&
+ NS_SUCCEEDED(mem->IsLowMemoryPlatform(&lowmem)) && !lowmem)) {
+ FindFontsInOmnijar(mFontNameCache.get());
+ }
+
+ // Look for downloaded fonts in a profile-agnostic "fonts" directory.
+ nsCOMPtr<nsIProperties> dirSvc =
+ do_GetService(NS_DIRECTORY_SERVICE_CONTRACTID);
+ if (dirSvc) {
+ nsCOMPtr<nsIFile> appDir;
+ nsresult rv = dirSvc->Get(NS_XPCOM_CURRENT_PROCESS_DIR, NS_GET_IID(nsIFile),
+ getter_AddRefs(appDir));
+ if (NS_SUCCEEDED(rv)) {
+ appDir->AppendNative("fonts"_ns);
+ nsCString localPath;
+ if (NS_SUCCEEDED(appDir->GetNativePath(localPath))) {
+ FindFontsInDir(localPath, mFontNameCache.get());
+ }
+ }
+ }
+
+ // look for locally-added fonts in a "fonts" subdir of the profile
+ nsCOMPtr<nsIFile> localDir;
+ nsresult rv = NS_GetSpecialDirectory(NS_APP_USER_PROFILE_LOCAL_50_DIR,
+ getter_AddRefs(localDir));
+ if (NS_SUCCEEDED(rv) && NS_SUCCEEDED(localDir->Append(u"fonts"_ns))) {
+ nsCString localPath;
+ rv = localDir->GetNativePath(localPath);
+ if (NS_SUCCEEDED(rv)) {
+ FindFontsInDir(localPath, mFontNameCache.get());
+ }
+ }
+
+ mFontNameCache->DropStaleEntries();
+ if (!mFontNameCache->EntryCount()) {
+ // if we can't find any usable fonts, we are doomed!
+ MOZ_CRASH("No font files found");
+ }
+
+ // Write out FontCache data if needed
+ WriteCache();
+}
+
+void gfxFT2FontList::WriteCache() {
+ if (mFontNameCache) {
+ mFontNameCache->WriteCache();
+ }
+ mozilla::scache::StartupCache* cache =
+ mozilla::scache::StartupCache::GetSingleton();
+ if (cache && mJarModifiedTime > 0) {
+ const size_t bufSize = sizeof(mJarModifiedTime);
+ auto buf = MakeUnique<char[]>(bufSize);
+ LittleEndian::writeInt64(buf.get(), mJarModifiedTime);
+
+ LOG(("WriteCache: putting Jar, length %zu", bufSize));
+ cache->PutBuffer(JAR_LAST_MODIFED_TIME, std::move(buf), bufSize);
+ }
+ LOG(("Done with writecache"));
+}
+
+void gfxFT2FontList::FindFontsInDir(const nsCString& aDir,
+ FontNameCache* aFNC) {
+ static const char* sStandardFonts[] = {"DroidSans.ttf",
+ "DroidSans-Bold.ttf",
+ "DroidSerif-Regular.ttf",
+ "DroidSerif-Bold.ttf",
+ "DroidSerif-Italic.ttf",
+ "DroidSerif-BoldItalic.ttf",
+ "DroidSansMono.ttf",
+ "DroidSansArabic.ttf",
+ "DroidSansHebrew.ttf",
+ "DroidSansThai.ttf",
+ "MTLmr3m.ttf",
+ "MTLc3m.ttf",
+ "NanumGothic.ttf",
+ "DroidSansJapanese.ttf",
+ "DroidSansFallback.ttf"};
+
+ DIR* d = opendir(aDir.get());
+ if (!d) {
+ return;
+ }
+
+ struct dirent* ent = nullptr;
+ while ((ent = readdir(d)) != nullptr) {
+ const char* ext = strrchr(ent->d_name, '.');
+ if (!ext) {
+ continue;
+ }
+ if (strcasecmp(ext, ".ttf") == 0 || strcasecmp(ext, ".otf") == 0 ||
+ strcasecmp(ext, ".woff") == 0 || strcasecmp(ext, ".ttc") == 0) {
+ bool isStdFont = false;
+ for (unsigned int i = 0; i < ArrayLength(sStandardFonts) && !isStdFont;
+ i++) {
+ isStdFont = strcmp(sStandardFonts[i], ent->d_name) == 0;
+ }
+
+ nsCString s(aDir);
+ s.Append('/');
+ s.Append(ent->d_name);
+
+ // Add the face(s) from this file to our font list;
+ // note that if we have cached info for this file in fnc,
+ // and the file is unchanged, we won't actually need to read it.
+ // If the file is new/changed, this will update the FontNameCache.
+ AppendFacesFromFontFile(s, aFNC, isStdFont ? kStandard : kUnknown);
+ }
+ }
+
+ closedir(d);
+}
+
+void gfxFT2FontList::AppendFaceFromFontListEntry(const FontListEntry& aFLE,
+ StandardFile aStdFile) {
+ FT2FontEntry* fe = FT2FontEntry::CreateFontEntry(aFLE);
+ if (fe) {
+ nsAutoCString key(aFLE.familyName());
+ BuildKeyNameFromFontName(key);
+ fe->mStandardFace = (aStdFile == kStandard);
+ RefPtr<gfxFontFamily> family = mFontFamilies.GetWeak(key);
+ if (!family) {
+ family = new FT2FontFamily(aFLE.familyName(), aFLE.visibility());
+ mFontFamilies.Put(key, RefPtr{family});
+ if (mSkipSpaceLookupCheckFamilies.Contains(key)) {
+ family->SetSkipSpaceFeatureCheck(true);
+ }
+ if (mBadUnderlineFamilyNames.ContainsSorted(key)) {
+ family->SetBadUnderlineFamily();
+ }
+ }
+ family->AddFontEntry(fe);
+
+ fe->CheckForBrokenFont(family);
+ }
+}
+
+void gfxFT2FontList::ReadSystemFontList(nsTArray<FontListEntry>* aList) {
+ for (auto iter = mFontFamilies.Iter(); !iter.Done(); iter.Next()) {
+ auto family = static_cast<FT2FontFamily*>(iter.Data().get());
+ family->AddFacesToFontList(aList);
+ }
+}
+
+static void LoadSkipSpaceLookupCheck(
+ nsTHashtable<nsCStringHashKey>& aSkipSpaceLookupCheck) {
+ AutoTArray<nsCString, 5> skiplist;
+ gfxFontUtils::GetPrefsFontList(
+ "font.whitelist.skip_default_features_space_check", skiplist);
+ uint32_t numFonts = skiplist.Length();
+ for (uint32_t i = 0; i < numFonts; i++) {
+ ToLowerCase(skiplist[i]);
+ aSkipSpaceLookupCheck.PutEntry(skiplist[i]);
+ }
+}
+
+nsresult gfxFT2FontList::InitFontListForPlatform() {
+ LoadSkipSpaceLookupCheck(mSkipSpaceLookupCheckFamilies);
+
+ if (XRE_IsParentProcess()) {
+ // This will populate/update mFontNameCache and store it in the
+ // startupCache for future startups.
+ FindFonts();
+
+ // Finalize the families by sorting faces into standard order
+ // and marking "simple" families.
+ for (auto iter = mFontFamilies.Iter(); !iter.Done(); iter.Next()) {
+ nsCStringHashKey::KeyType key = iter.Key();
+ RefPtr<gfxFontFamily>& family = iter.Data();
+ FinalizeFamilyMemberList(key, family, /* aSortFaces */ true);
+ }
+
+ return NS_OK;
+ }
+
+ // Content process: use font list passed from the chrome process via
+ // the GetXPCOMProcessAttributes message.
+ auto& fontList = dom::ContentChild::GetSingleton()->SystemFontList();
+ for (FontListEntry& fle : fontList) {
+ // We don't need to identify "standard" font files here,
+ // as the faces are already sorted.
+ AppendFaceFromFontListEntry(fle, kUnknown);
+ }
+
+ // We don't need to sort faces (because they were already sorted by the
+ // chrome process, so we just maintain the existing order)
+ for (auto iter = mFontFamilies.Iter(); !iter.Done(); iter.Next()) {
+ nsCStringHashKey::KeyType key = iter.Key();
+ RefPtr<gfxFontFamily>& family = iter.Data();
+ FinalizeFamilyMemberList(key, family, /* aSortFaces */ false);
+ }
+
+ LOG(("got font list from chrome process: %" PRIdPTR " faces in %" PRIu32
+ " families",
+ fontList.Length(), mFontFamilies.Count()));
+ fontList.Clear();
+
+ return NS_OK;
+}
+
+void gfxFT2FontList::InitSharedFontListForPlatform() {
+ if (!XRE_IsParentProcess()) {
+ // Content processes will access the shared-memory data created by the
+ // parent, so don't need to scan for available fonts themselves.
+ return;
+ }
+
+ // This will populate mFontNameCache with entries for all the available font
+ // files, and record them in mFamilies (unshared list) or mFamilyInitData and
+ // mFaceInitData (shared font list).
+ FindFonts();
+
+ mozilla::fontlist::FontList* list = SharedFontList();
+ list->SetFamilyNames(mFamilyInitData);
+
+ auto families = list->Families();
+ for (uint32_t i = 0; i < mFamilyInitData.Length(); i++) {
+ auto faceList = mFaceInitData.Get(mFamilyInitData[i].mKey);
+ MOZ_ASSERT(faceList);
+ families[i].AddFaces(list, *faceList);
+ }
+
+ mFamilyInitData.Clear();
+ mFaceInitData.Clear();
+}
+
+gfxFontEntry* gfxFT2FontList::CreateFontEntry(fontlist::Face* aFace,
+ const fontlist::Family* aFamily) {
+ fontlist::FontList* list = SharedFontList();
+ nsAutoCString desc(aFace->mDescriptor.AsString(list));
+ FT2FontEntry* fe =
+ FT2FontEntry::CreateFontEntry(desc, desc.get(), aFace->mIndex, nullptr);
+ fe->InitializeFrom(aFace, aFamily);
+ fe->CheckForBrokenFont(aFamily->Key().AsString(list));
+ return fe;
+}
+
+// called for each family name, based on the assumption that the
+// first part of the full name is the family name
+
+gfxFontEntry* gfxFT2FontList::LookupLocalFont(const nsACString& aFontName,
+ WeightRange aWeightForEntry,
+ StretchRange aStretchForEntry,
+ SlantStyleRange aStyleForEntry) {
+ if (SharedFontList()) {
+ return LookupInSharedFaceNameList(aFontName, aWeightForEntry,
+ aStretchForEntry, aStyleForEntry);
+ }
+ // walk over list of names
+ FT2FontEntry* fontEntry = nullptr;
+
+ for (auto iter = mFontFamilies.Iter(); !iter.Done(); iter.Next()) {
+ // Check family name, based on the assumption that the
+ // first part of the full name is the family name
+ RefPtr<gfxFontFamily>& fontFamily = iter.Data();
+
+ // does the family name match up to the length of the family name?
+ const nsCString& family = fontFamily->Name();
+
+ const nsAutoCString fullNameFamily(
+ Substring(aFontName, 0, family.Length()));
+
+ // if so, iterate over faces in this family to see if there is a match
+ if (family.Equals(fullNameFamily, nsCaseInsensitiveCStringComparator)) {
+ nsTArray<RefPtr<gfxFontEntry> >& fontList = fontFamily->GetFontList();
+ int index, len = fontList.Length();
+ for (index = 0; index < len; index++) {
+ gfxFontEntry* fe = fontList[index];
+ if (!fe) {
+ continue;
+ }
+ if (fe->Name().Equals(aFontName, nsCaseInsensitiveCStringComparator)) {
+ fontEntry = static_cast<FT2FontEntry*>(fe);
+ goto searchDone;
+ }
+ }
+ }
+ }
+
+searchDone:
+ if (!fontEntry) {
+ return nullptr;
+ }
+
+ // Clone the font entry so that we can then set its style descriptors
+ // from the userfont entry rather than the actual font.
+
+ // Ensure existence of mFTFace in the original entry
+ RefPtr<SharedFTFace> face = fontEntry->GetFTFace(true);
+ if (!face) {
+ return nullptr;
+ }
+
+ FT2FontEntry* fe = FT2FontEntry::CreateFontEntry(
+ fontEntry->Name(), fontEntry->mFilename.get(), fontEntry->mFTFontIndex,
+ nullptr);
+ if (fe) {
+ fe->mStyleRange = aStyleForEntry;
+ fe->mWeightRange = aWeightForEntry;
+ fe->mStretchRange = aStretchForEntry;
+ fe->mIsLocalUserFont = true;
+ }
+
+ return fe;
+}
+
+FontFamily gfxFT2FontList::GetDefaultFontForPlatform(const gfxFontStyle* aStyle,
+ nsAtom* aLanguage) {
+ FontFamily ff;
+#if defined(MOZ_WIDGET_ANDROID)
+ ff = FindFamily("Roboto"_ns);
+ if (ff.IsNull()) {
+ ff = FindFamily("Droid Sans"_ns);
+ }
+#endif
+ /* TODO: what about Qt or other platforms that may use this? */
+ return ff;
+}
+
+gfxFontEntry* gfxFT2FontList::MakePlatformFont(const nsACString& aFontName,
+ WeightRange aWeightForEntry,
+ StretchRange aStretchForEntry,
+ SlantStyleRange aStyleForEntry,
+ const uint8_t* aFontData,
+ uint32_t aLength) {
+ // The FT2 font needs the font data to persist, so we do NOT free it here
+ // but instead pass ownership to the font entry.
+ // Deallocation will happen later, when the font face is destroyed.
+ return FT2FontEntry::CreateFontEntry(aFontName, aWeightForEntry,
+ aStretchForEntry, aStyleForEntry,
+ aFontData, aLength);
+}
+
+gfxFontFamily* gfxFT2FontList::CreateFontFamily(
+ const nsACString& aName, FontVisibility aVisibility) const {
+ return new FT2FontFamily(aName, aVisibility);
+}
+
+void gfxFT2FontList::WillShutdown() {
+ LOG(("WillShutdown"));
+ WriteCache();
+ mFontNameCache = nullptr;
+}
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-30 04:31:17 +0000