зеркало из https://github.com/mozilla/gecko-dev.git
1564 строки
52 KiB
C++
1564 строки
52 KiB
C++
/* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 4 -*-
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#include "mozilla/ArrayUtils.h"
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#include "mozilla/Base64.h"
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#include "mozilla/MemoryReporting.h"
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#include "mozilla/dom/ContentChild.h"
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#include "gfxAndroidPlatform.h"
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#include "mozilla/Omnijar.h"
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#include "nsAutoPtr.h"
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#include "nsIInputStream.h"
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#define gfxToolkitPlatform gfxAndroidPlatform
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#include "nsXULAppAPI.h"
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#include <dirent.h>
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#include <android/log.h>
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#define ALOG(args...) __android_log_print(ANDROID_LOG_INFO, "Gecko" , ## args)
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#include "ft2build.h"
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#include FT_FREETYPE_H
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#include FT_TRUETYPE_TAGS_H
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#include FT_TRUETYPE_TABLES_H
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#include "cairo-ft.h"
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#include "gfxFT2FontList.h"
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#include "gfxFT2Fonts.h"
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#include "gfxUserFontSet.h"
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#include "gfxFontUtils.h"
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#include "nsServiceManagerUtils.h"
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#include "nsTArray.h"
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#include "nsUnicharUtils.h"
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#include "nsDirectoryServiceUtils.h"
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#include "nsDirectoryServiceDefs.h"
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#include "nsAppDirectoryServiceDefs.h"
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#include "nsISimpleEnumerator.h"
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#include "nsIMemory.h"
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#include "gfxFontConstants.h"
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#include "mozilla/Preferences.h"
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#include "mozilla/scache/StartupCache.h"
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#include <fcntl.h>
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#include <sys/mman.h>
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#include <sys/stat.h>
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using namespace mozilla;
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static PRLogModuleInfo *
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GetFontInfoLog()
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{
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static PRLogModuleInfo *sLog;
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if (!sLog)
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sLog = PR_NewLogModule("fontInfoLog");
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return sLog;
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}
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#undef LOG
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#define LOG(args) MOZ_LOG(GetFontInfoLog(), mozilla::LogLevel::Debug, args)
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#define LOG_ENABLED() MOZ_LOG_TEST(GetFontInfoLog(), mozilla::LogLevel::Debug)
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static cairo_user_data_key_t sFTUserFontDataKey;
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static __inline void
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BuildKeyNameFromFontName(nsAString &aName)
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{
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ToLowerCase(aName);
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}
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// Helper to access the FT_Face for a given FT2FontEntry,
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// creating a temporary face if the entry does not have one yet.
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// This allows us to read font names, tables, etc if necessary
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// without permanently instantiating a freetype face and consuming
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// memory long-term.
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// This may fail (resulting in a null FT_Face), e.g. if it fails to
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// allocate memory to uncompress a font from omnijar.
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class AutoFTFace {
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public:
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AutoFTFace(FT2FontEntry* aFontEntry)
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: mFace(nullptr), mFontDataBuf(nullptr), mOwnsFace(false)
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{
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if (aFontEntry->mFTFace) {
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mFace = aFontEntry->mFTFace;
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return;
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}
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NS_ASSERTION(!aFontEntry->mFilename.IsEmpty(),
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"can't use AutoFTFace for fonts without a filename");
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FT_Library ft = gfxToolkitPlatform::GetPlatform()->GetFTLibrary();
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// A relative path (no initial "/") means this is a resource in
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// omnijar, not an installed font on the device.
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// The NS_ASSERTIONs here should never fail, as the resource must have
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// been read successfully during font-list initialization or we'd never
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// have created the font entry. The only legitimate runtime failure
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// here would be memory allocation, in which case mFace remains null.
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if (aFontEntry->mFilename[0] != '/') {
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nsRefPtr<nsZipArchive> reader =
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Omnijar::GetReader(Omnijar::Type::GRE);
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nsZipItem *item = reader->GetItem(aFontEntry->mFilename.get());
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NS_ASSERTION(item, "failed to find zip entry");
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uint32_t bufSize = item->RealSize();
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mFontDataBuf = static_cast<uint8_t*>(malloc(bufSize));
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if (mFontDataBuf) {
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nsZipCursor cursor(item, reader, mFontDataBuf, bufSize);
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cursor.Copy(&bufSize);
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NS_ASSERTION(bufSize == item->RealSize(),
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"error reading bundled font");
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if (FT_Err_Ok != FT_New_Memory_Face(ft, mFontDataBuf, bufSize,
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aFontEntry->mFTFontIndex,
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&mFace)) {
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NS_WARNING("failed to create freetype face");
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}
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}
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} else {
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if (FT_Err_Ok != FT_New_Face(ft, aFontEntry->mFilename.get(),
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aFontEntry->mFTFontIndex, &mFace)) {
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NS_WARNING("failed to create freetype face");
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}
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}
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if (FT_Err_Ok != FT_Select_Charmap(mFace, FT_ENCODING_UNICODE)) {
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NS_WARNING("failed to select Unicode charmap");
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}
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mOwnsFace = true;
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}
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~AutoFTFace() {
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if (mFace && mOwnsFace) {
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FT_Done_Face(mFace);
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if (mFontDataBuf) {
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free(mFontDataBuf);
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}
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}
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}
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operator FT_Face() { return mFace; }
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// If we 'forget' the FT_Face (used when ownership is handed over to Cairo),
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// we do -not- free the mFontDataBuf (if used); that also becomes the
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// responsibility of the new owner of the face.
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FT_Face forget() {
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NS_ASSERTION(mOwnsFace, "can't forget() when we didn't own the face");
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mOwnsFace = false;
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return mFace;
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}
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const uint8_t* FontData() const { return mFontDataBuf; }
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private:
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FT_Face mFace;
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uint8_t* mFontDataBuf; // Uncompressed data (for fonts stored in a JAR),
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// or null for fonts instantiated from a file.
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// If non-null, this must survive as long as the
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// FT_Face.
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bool mOwnsFace;
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};
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/*
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* FT2FontEntry
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* gfxFontEntry subclass corresponding to a specific face that can be
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* rendered by freetype. This is associated with a face index in a
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* file (normally a .ttf/.otf file holding a single face, but in principle
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* there could be .ttc files with multiple faces).
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* The FT2FontEntry can create the necessary FT_Face on demand, and can
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* then create a Cairo font_face and scaled_font for drawing.
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*/
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cairo_scaled_font_t *
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FT2FontEntry::CreateScaledFont(const gfxFontStyle *aStyle)
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{
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cairo_font_face_t *cairoFace = CairoFontFace();
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if (!cairoFace) {
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return nullptr;
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}
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cairo_scaled_font_t *scaledFont = nullptr;
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cairo_matrix_t sizeMatrix;
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cairo_matrix_t identityMatrix;
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// XXX deal with adjusted size
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cairo_matrix_init_scale(&sizeMatrix, aStyle->size, aStyle->size);
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cairo_matrix_init_identity(&identityMatrix);
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// synthetic oblique by skewing via the font matrix
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bool needsOblique = !IsItalic() &&
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(aStyle->style & (NS_FONT_STYLE_ITALIC | NS_FONT_STYLE_OBLIQUE)) &&
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aStyle->allowSyntheticStyle;
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if (needsOblique) {
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cairo_matrix_t style;
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cairo_matrix_init(&style,
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1, //xx
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0, //yx
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-1 * OBLIQUE_SKEW_FACTOR, //xy
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1, //yy
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0, //x0
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0); //y0
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cairo_matrix_multiply(&sizeMatrix, &sizeMatrix, &style);
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}
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cairo_font_options_t *fontOptions = cairo_font_options_create();
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if (gfxPlatform::GetPlatform()->RequiresLinearZoom()) {
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cairo_font_options_set_hint_metrics(fontOptions, CAIRO_HINT_METRICS_OFF);
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}
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scaledFont = cairo_scaled_font_create(cairoFace,
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&sizeMatrix,
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&identityMatrix, fontOptions);
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cairo_font_options_destroy(fontOptions);
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NS_ASSERTION(cairo_scaled_font_status(scaledFont) == CAIRO_STATUS_SUCCESS,
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"Failed to make scaled font");
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return scaledFont;
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}
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FT2FontEntry::~FT2FontEntry()
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{
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// Do nothing for mFTFace here since FTFontDestroyFunc is called by cairo.
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mFTFace = nullptr;
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#ifndef ANDROID
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if (mFontFace) {
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cairo_font_face_destroy(mFontFace);
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mFontFace = nullptr;
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}
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#endif
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}
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gfxFont*
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FT2FontEntry::CreateFontInstance(const gfxFontStyle *aFontStyle, bool aNeedsBold)
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{
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cairo_scaled_font_t *scaledFont = CreateScaledFont(aFontStyle);
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if (!scaledFont) {
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return nullptr;
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}
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gfxFont *font = new gfxFT2Font(scaledFont, this, aFontStyle, aNeedsBold);
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cairo_scaled_font_destroy(scaledFont);
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return font;
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}
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/* static */
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FT2FontEntry*
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FT2FontEntry::CreateFontEntry(const nsAString& aFontName,
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uint16_t aWeight,
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int16_t aStretch,
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bool aItalic,
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const uint8_t* aFontData,
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uint32_t aLength)
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{
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// Ownership of aFontData is passed in here; the fontEntry must
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// retain it as long as the FT_Face needs it, and ensure it is
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// eventually deleted.
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FT_Face face;
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FT_Error error =
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FT_New_Memory_Face(gfxToolkitPlatform::GetPlatform()->GetFTLibrary(),
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aFontData, aLength, 0, &face);
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if (error != FT_Err_Ok) {
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free((void*)aFontData);
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return nullptr;
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}
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if (FT_Err_Ok != FT_Select_Charmap(face, FT_ENCODING_UNICODE)) {
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FT_Done_Face(face);
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free((void*)aFontData);
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return nullptr;
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}
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// Create our FT2FontEntry, which inherits the name of the userfont entry
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// as it's not guaranteed that the face has valid names (bug 737315)
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FT2FontEntry* fe =
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FT2FontEntry::CreateFontEntry(face, nullptr, 0, aFontName,
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aFontData);
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if (fe) {
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fe->mItalic = aItalic;
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fe->mWeight = aWeight;
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fe->mStretch = aStretch;
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fe->mIsDataUserFont = true;
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}
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return fe;
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}
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class FTUserFontData {
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public:
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FTUserFontData(FT_Face aFace, const uint8_t* aData)
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: mFace(aFace), mFontData(aData)
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{
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}
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~FTUserFontData()
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{
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FT_Done_Face(mFace);
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if (mFontData) {
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free((void*)mFontData);
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}
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}
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const uint8_t *FontData() const { return mFontData; }
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private:
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FT_Face mFace;
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const uint8_t *mFontData;
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};
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static void
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FTFontDestroyFunc(void *data)
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{
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FTUserFontData *userFontData = static_cast<FTUserFontData*>(data);
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delete userFontData;
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}
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/* static */
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FT2FontEntry*
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FT2FontEntry::CreateFontEntry(const FontListEntry& aFLE)
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{
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FT2FontEntry *fe = new FT2FontEntry(aFLE.faceName());
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fe->mFilename = aFLE.filepath();
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fe->mFTFontIndex = aFLE.index();
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fe->mWeight = aFLE.weight();
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fe->mStretch = aFLE.stretch();
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fe->mItalic = aFLE.italic();
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return fe;
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}
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// Helpers to extract font entry properties from an FT_Face
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static bool
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FTFaceIsItalic(FT_Face aFace)
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{
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return !!(aFace->style_flags & FT_STYLE_FLAG_ITALIC);
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}
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static uint16_t
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FTFaceGetWeight(FT_Face aFace)
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{
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TT_OS2 *os2 = static_cast<TT_OS2*>(FT_Get_Sfnt_Table(aFace, ft_sfnt_os2));
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uint16_t os2weight = 0;
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if (os2 && os2->version != 0xffff) {
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// Technically, only 100 to 900 are valid, but some fonts
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// have this set wrong -- e.g. "Microsoft Logo Bold Italic" has
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// it set to 6 instead of 600. We try to be nice and handle that
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// as well.
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if (os2->usWeightClass >= 100 && os2->usWeightClass <= 900) {
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os2weight = os2->usWeightClass;
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} else if (os2->usWeightClass >= 1 && os2->usWeightClass <= 9) {
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os2weight = os2->usWeightClass * 100;
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}
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}
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uint16_t result;
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if (os2weight != 0) {
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result = os2weight;
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} else if (aFace->style_flags & FT_STYLE_FLAG_BOLD) {
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result = 700;
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} else {
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result = 400;
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}
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NS_ASSERTION(result >= 100 && result <= 900, "Invalid weight in font!");
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return result;
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}
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// Used to create the font entry for installed faces on the device,
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// when iterating over the fonts directories.
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// We use the FT_Face to retrieve the details needed for the font entry,
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// but unless we have been passed font data (i.e. for a user font),
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// we do *not* save a reference to it, nor create a cairo face,
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// as we don't want to keep a freetype face for every installed font
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// permanently in memory.
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/* static */
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FT2FontEntry*
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FT2FontEntry::CreateFontEntry(FT_Face aFace,
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const char* aFilename, uint8_t aIndex,
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const nsAString& aName,
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const uint8_t* aFontData)
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{
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FT2FontEntry *fe = new FT2FontEntry(aName);
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fe->mItalic = FTFaceIsItalic(aFace);
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fe->mWeight = FTFaceGetWeight(aFace);
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fe->mFilename = aFilename;
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fe->mFTFontIndex = aIndex;
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if (aFontData) {
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fe->mFTFace = aFace;
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int flags = gfxPlatform::GetPlatform()->FontHintingEnabled() ?
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FT_LOAD_DEFAULT :
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(FT_LOAD_NO_AUTOHINT | FT_LOAD_NO_HINTING);
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fe->mFontFace = cairo_ft_font_face_create_for_ft_face(aFace, flags);
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FTUserFontData *userFontData = new FTUserFontData(aFace, aFontData);
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cairo_font_face_set_user_data(fe->mFontFace, &sFTUserFontDataKey,
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userFontData, FTFontDestroyFunc);
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}
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return fe;
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}
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// construct font entry name for an installed font from names in the FT_Face,
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// and then create our FT2FontEntry
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static FT2FontEntry*
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CreateNamedFontEntry(FT_Face aFace, const char* aFilename, uint8_t aIndex)
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{
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if (!aFace->family_name) {
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return nullptr;
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}
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nsAutoString fontName;
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AppendUTF8toUTF16(aFace->family_name, fontName);
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if (aFace->style_name && strcmp("Regular", aFace->style_name)) {
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fontName.Append(' ');
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AppendUTF8toUTF16(aFace->style_name, fontName);
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}
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return FT2FontEntry::CreateFontEntry(aFace, aFilename, aIndex, fontName);
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}
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FT2FontEntry*
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gfxFT2Font::GetFontEntry()
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{
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return static_cast<FT2FontEntry*> (mFontEntry.get());
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}
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cairo_font_face_t *
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FT2FontEntry::CairoFontFace()
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{
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if (!mFontFace) {
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AutoFTFace face(this);
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if (!face) {
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return nullptr;
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}
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mFTFace = face.forget();
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int flags = gfxPlatform::GetPlatform()->FontHintingEnabled() ?
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FT_LOAD_DEFAULT :
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(FT_LOAD_NO_AUTOHINT | FT_LOAD_NO_HINTING);
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mFontFace = cairo_ft_font_face_create_for_ft_face(face, flags);
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FTUserFontData *userFontData = new FTUserFontData(face, face.FontData());
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cairo_font_face_set_user_data(mFontFace, &sFTUserFontDataKey,
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userFontData, FTFontDestroyFunc);
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}
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return mFontFace;
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}
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// Copied/modified from similar code in gfxMacPlatformFontList.mm:
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// Complex scripts will not render correctly unless Graphite or OT
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// layout tables are present.
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// For OpenType, we also check that the GSUB table supports the relevant
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// script tag, to avoid using things like Arial Unicode MS for Lao (it has
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// the characters, but lacks OpenType support).
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// TODO: consider whether we should move this to gfxFontEntry and do similar
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// cmap-masking on all platforms to avoid using fonts that won't shape
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// properly.
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nsresult
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FT2FontEntry::ReadCMAP(FontInfoData *aFontInfoData)
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{
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if (mCharacterMap) {
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return NS_OK;
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}
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nsRefPtr<gfxCharacterMap> charmap = new gfxCharacterMap();
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AutoFallibleTArray<uint8_t,16384> buffer;
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nsresult rv = CopyFontTable(TTAG_cmap, buffer);
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if (NS_SUCCEEDED(rv)) {
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bool unicodeFont;
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bool symbolFont;
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rv = gfxFontUtils::ReadCMAP(buffer.Elements(), buffer.Length(),
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*charmap, mUVSOffset,
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unicodeFont, symbolFont);
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}
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if (NS_SUCCEEDED(rv) && !HasGraphiteTables()) {
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// We assume a Graphite font knows what it's doing,
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// and provides whatever shaping is needed for the
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// characters it supports, so only check/clear the
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// complex-script ranges for non-Graphite fonts
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// for layout support, check for the presence of opentype layout tables
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bool hasGSUB = HasFontTable(TRUETYPE_TAG('G','S','U','B'));
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for (const ScriptRange* sr = gfxPlatformFontList::sComplexScriptRanges;
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sr->rangeStart; sr++) {
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// check to see if the cmap includes complex script codepoints
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if (charmap->TestRange(sr->rangeStart, sr->rangeEnd)) {
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// We check for GSUB here, as GPOS alone would not be ok.
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if (hasGSUB && SupportsScriptInGSUB(sr->tags)) {
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continue;
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|
}
|
|
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();
|
|
mCharacterMap = pfl->FindCharMap(charmap);
|
|
} else {
|
|
// if error occurred, initialize to null cmap
|
|
mCharacterMap = new gfxCharacterMap();
|
|
}
|
|
return rv;
|
|
}
|
|
|
|
nsresult
|
|
FT2FontEntry::CopyFontTable(uint32_t aTableTag,
|
|
FallibleTArray<uint8_t>& aBuffer)
|
|
{
|
|
AutoFTFace face(this);
|
|
if (!face) {
|
|
return NS_ERROR_FAILURE;
|
|
}
|
|
|
|
FT_Error status;
|
|
FT_ULong len = 0;
|
|
status = FT_Load_Sfnt_Table(face, aTableTag, 0, nullptr, &len);
|
|
if (status != FT_Err_Ok || len == 0) {
|
|
return NS_ERROR_FAILURE;
|
|
}
|
|
|
|
if (!aBuffer.SetLength(len, fallible)) {
|
|
return NS_ERROR_OUT_OF_MEMORY;
|
|
}
|
|
uint8_t *buf = aBuffer.Elements();
|
|
status = FT_Load_Sfnt_Table(face, aTableTag, 0, buf, &len);
|
|
NS_ENSURE_TRUE(status == FT_Err_Ok, NS_ERROR_FAILURE);
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
hb_blob_t*
|
|
FT2FontEntry::GetFontTable(uint32_t aTableTag)
|
|
{
|
|
if (mFontFace) {
|
|
// 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
|
|
FTUserFontData *userFontData = static_cast<FTUserFontData*>(
|
|
cairo_font_face_get_user_data(mFontFace, &sFTUserFontDataKey));
|
|
if (userFontData && userFontData->FontData()) {
|
|
return GetTableFromFontData(userFontData->FontData(), aTableTag);
|
|
}
|
|
}
|
|
|
|
// otherwise, use the default method (which in turn will call our
|
|
// implementation of CopyFontTable)
|
|
return gfxFontEntry::GetFontTable(aTableTag);
|
|
}
|
|
|
|
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(InfallibleTArray<FontListEntry>* aFontList,
|
|
Visibility aVisibility)
|
|
{
|
|
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(), fe->Stretch(),
|
|
fe->IsItalic(),
|
|
fe->mFTFontIndex,
|
|
aVisibility == kHidden));
|
|
}
|
|
}
|
|
|
|
/*
|
|
* 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"
|
|
|
|
class FontNameCache {
|
|
public:
|
|
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(),
|
|
"StartupCacheFontNameCache should only be used in chrome "
|
|
"process");
|
|
mCache = mozilla::scache::StartupCache::GetSingleton();
|
|
|
|
Init();
|
|
}
|
|
|
|
~FontNameCache()
|
|
{
|
|
if (!mWriteNeeded || !mCache) {
|
|
return;
|
|
}
|
|
|
|
nsAutoCString buf;
|
|
for (auto iter = mMap.Iter(); !iter.Done(); iter.Next()) {
|
|
auto entry = static_cast<FNCMapEntry*>(iter.Get());
|
|
if (!entry->mFileExists) {
|
|
// skip writing entries for files that are no longer present
|
|
continue;
|
|
}
|
|
buf.Append(entry->mFilename);
|
|
buf.Append(';');
|
|
buf.Append(entry->mFaces);
|
|
buf.Append(';');
|
|
buf.AppendInt(entry->mTimestamp);
|
|
buf.Append(';');
|
|
buf.AppendInt(entry->mFilesize);
|
|
buf.Append(';');
|
|
}
|
|
mCache->PutBuffer(CACHE_KEY, buf.get(), buf.Length() + 1);
|
|
}
|
|
|
|
void Init()
|
|
{
|
|
if (!mCache) {
|
|
return;
|
|
}
|
|
uint32_t size;
|
|
char* buf;
|
|
if (NS_FAILED(mCache->GetBuffer(CACHE_KEY, &buf, &size))) {
|
|
return;
|
|
}
|
|
|
|
LOG(("got: %s from the cache", nsDependentCString(buf, size).get()));
|
|
|
|
const char* beginning = buf;
|
|
const char* end = strchr(beginning, ';');
|
|
while (end) {
|
|
nsCString filename(beginning, end - beginning);
|
|
beginning = end + 1;
|
|
if (!(end = strchr(beginning, ';'))) {
|
|
break;
|
|
}
|
|
nsCString faceList(beginning, end - beginning);
|
|
beginning = end + 1;
|
|
if (!(end = strchr(beginning, ';'))) {
|
|
break;
|
|
}
|
|
uint32_t timestamp = strtoul(beginning, nullptr, 10);
|
|
beginning = end + 1;
|
|
if (!(end = strchr(beginning, ';'))) {
|
|
break;
|
|
}
|
|
uint32_t filesize = strtoul(beginning, 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;
|
|
}
|
|
|
|
beginning = end + 1;
|
|
end = strchr(beginning, ';');
|
|
}
|
|
|
|
// Should we use free() or delete[] here? See bug 684700.
|
|
free(buf);
|
|
}
|
|
|
|
virtual 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;
|
|
}
|
|
}
|
|
|
|
virtual 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;
|
|
|
|
typedef struct : public PLDHashEntryHdr {
|
|
public:
|
|
nsCString mFilename;
|
|
uint32_t mTimestamp;
|
|
uint32_t mFilesize;
|
|
nsCString mFaces;
|
|
bool mFileExists;
|
|
} FNCMapEntry;
|
|
|
|
static PLDHashNumber StringHash(PLDHashTable *table, const void *key)
|
|
{
|
|
return HashString(reinterpret_cast<const char*>(key));
|
|
}
|
|
|
|
static bool HashMatchEntry(PLDHashTable *table,
|
|
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.
|
|
|
|
gfxFT2FontList::gfxFT2FontList()
|
|
{
|
|
}
|
|
|
|
void
|
|
gfxFT2FontList::AppendFacesFromCachedFaceList(
|
|
const nsCString& aFileName,
|
|
const nsCString& aFaceList,
|
|
StandardFile aStdFile,
|
|
FT2FontFamily::Visibility aVisibility)
|
|
{
|
|
const char *beginning = aFaceList.get();
|
|
const char *end = strchr(beginning, ',');
|
|
while (end) {
|
|
nsString familyName =
|
|
NS_ConvertUTF8toUTF16(beginning, end - beginning);
|
|
ToLowerCase(familyName);
|
|
beginning = end + 1;
|
|
if (!(end = strchr(beginning, ','))) {
|
|
break;
|
|
}
|
|
nsString faceName =
|
|
NS_ConvertUTF8toUTF16(beginning, end - beginning);
|
|
beginning = end + 1;
|
|
if (!(end = strchr(beginning, ','))) {
|
|
break;
|
|
}
|
|
uint32_t index = strtoul(beginning, nullptr, 10);
|
|
beginning = end + 1;
|
|
if (!(end = strchr(beginning, ','))) {
|
|
break;
|
|
}
|
|
bool italic = (*beginning != '0');
|
|
beginning = end + 1;
|
|
if (!(end = strchr(beginning, ','))) {
|
|
break;
|
|
}
|
|
uint32_t weight = strtoul(beginning, nullptr, 10);
|
|
beginning = end + 1;
|
|
if (!(end = strchr(beginning, ','))) {
|
|
break;
|
|
}
|
|
int32_t stretch = strtol(beginning, nullptr, 10);
|
|
|
|
FontListEntry fle(familyName, faceName, aFileName,
|
|
weight, stretch, italic, index,
|
|
aVisibility == FT2FontFamily::kHidden);
|
|
AppendFaceFromFontListEntry(fle, aStdFile);
|
|
|
|
beginning = end + 1;
|
|
end = strchr(beginning, ',');
|
|
}
|
|
}
|
|
|
|
static void
|
|
AppendToFaceList(nsCString& aFaceList,
|
|
nsAString& aFamilyName, FT2FontEntry* aFontEntry)
|
|
{
|
|
aFaceList.Append(NS_ConvertUTF16toUTF8(aFamilyName));
|
|
aFaceList.Append(',');
|
|
aFaceList.Append(NS_ConvertUTF16toUTF8(aFontEntry->Name()));
|
|
aFaceList.Append(',');
|
|
aFaceList.AppendInt(aFontEntry->mFTFontIndex);
|
|
aFaceList.Append(',');
|
|
aFaceList.Append(aFontEntry->IsItalic() ? '1' : '0');
|
|
aFaceList.Append(',');
|
|
aFaceList.AppendInt(aFontEntry->Weight());
|
|
aFaceList.Append(',');
|
|
aFaceList.AppendInt(aFontEntry->Stretch());
|
|
aFaceList.Append(',');
|
|
}
|
|
|
|
void
|
|
FT2FontEntry::CheckForBrokenFont(gfxFontFamily *aFamily)
|
|
{
|
|
// note if the family is in the "bad underline" blacklist
|
|
if (aFamily->IsBadUnderlineFamily()) {
|
|
mIsBadUnderlineFont = true;
|
|
}
|
|
|
|
// bug 721719 - set the IgnoreGSUB flag on entries for Roboto
|
|
// because of unwanted on-by-default "ae" ligature.
|
|
// (See also AppendFaceFromFontListEntry.)
|
|
if (aFamily->Name().EqualsLiteral("roboto")) {
|
|
mIgnoreGSUB = true;
|
|
}
|
|
|
|
// 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
|
|
else if (aFamily->Name().EqualsLiteral("droid sans arabic")) {
|
|
AutoFTFace face(this);
|
|
if (face) {
|
|
const TT_Header *head = static_cast<const TT_Header*>
|
|
(FT_Get_Sfnt_Table(face, ft_sfnt_head));
|
|
if (head && head->CheckSum_Adjust == 0xe445242) {
|
|
mIgnoreGSUB = true;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
void
|
|
gfxFT2FontList::AppendFacesFromFontFile(const nsCString& aFileName,
|
|
FontNameCache *aCache,
|
|
StandardFile aStdFile,
|
|
FT2FontFamily::Visibility aVisibility)
|
|
{
|
|
nsCString cachedFaceList;
|
|
uint32_t filesize = 0, timestamp = 0;
|
|
if (aCache) {
|
|
aCache->GetInfoForFile(aFileName, cachedFaceList, ×tamp, &filesize);
|
|
}
|
|
|
|
struct stat s;
|
|
int statRetval = stat(aFileName.get(), &s);
|
|
if (!cachedFaceList.IsEmpty() && 0 == statRetval &&
|
|
s.st_mtime == timestamp && s.st_size == filesize)
|
|
{
|
|
LOG(("using cached font info for %s", aFileName.get()));
|
|
AppendFacesFromCachedFaceList(aFileName, cachedFaceList, aStdFile,
|
|
aVisibility);
|
|
return;
|
|
}
|
|
|
|
FT_Library ftLibrary = gfxAndroidPlatform::GetPlatform()->GetFTLibrary();
|
|
FT_Face dummy;
|
|
if (FT_Err_Ok == FT_New_Face(ftLibrary, aFileName.get(), -1, &dummy)) {
|
|
LOG(("reading font info via FreeType for %s", aFileName.get()));
|
|
nsCString newFaceList;
|
|
timestamp = s.st_mtime;
|
|
filesize = s.st_size;
|
|
for (FT_Long i = 0; i < dummy->num_faces; i++) {
|
|
FT_Face face;
|
|
if (FT_Err_Ok != FT_New_Face(ftLibrary, aFileName.get(), i, &face)) {
|
|
continue;
|
|
}
|
|
AddFaceToList(aFileName, i, aStdFile, aVisibility, face, newFaceList);
|
|
FT_Done_Face(face);
|
|
}
|
|
FT_Done_Face(dummy);
|
|
if (aCache && 0 == statRetval && !newFaceList.IsEmpty()) {
|
|
aCache->CacheFileInfo(aFileName, newFaceList, timestamp, filesize);
|
|
}
|
|
}
|
|
}
|
|
|
|
#define JAR_LAST_MODIFED_TIME "jar-last-modified-time"
|
|
|
|
void
|
|
gfxFT2FontList::FindFontsInOmnijar(FontNameCache *aCache)
|
|
{
|
|
bool jarChanged = false;
|
|
|
|
mozilla::scache::StartupCache* cache =
|
|
mozilla::scache::StartupCache::GetSingleton();
|
|
char *cachedModifiedTimeBuf;
|
|
uint32_t longSize;
|
|
int64_t jarModifiedTime;
|
|
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(&jarModifiedTime);
|
|
if (jarModifiedTime > *(int64_t*)cachedModifiedTimeBuf) {
|
|
jarChanged = true;
|
|
}
|
|
}
|
|
|
|
static const char* sJarSearchPaths[] = {
|
|
"res/fonts/*.ttf$",
|
|
};
|
|
nsRefPtr<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;
|
|
}
|
|
}
|
|
|
|
if (cache) {
|
|
cache->PutBuffer(JAR_LAST_MODIFED_TIME, (char*)&jarModifiedTime,
|
|
sizeof(jarModifiedTime));
|
|
}
|
|
}
|
|
|
|
// Given the freetype 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,
|
|
FT2FontFamily::Visibility aVisibility,
|
|
FT_Face aFace,
|
|
nsCString& aFaceList)
|
|
{
|
|
if (FT_Err_Ok != FT_Select_Charmap(aFace, FT_ENCODING_UNICODE)) {
|
|
// ignore faces that don't support a Unicode charmap
|
|
return;
|
|
}
|
|
|
|
// build the font entry name and create an FT2FontEntry,
|
|
// but do -not- keep a reference to the FT_Face
|
|
FT2FontEntry* fe =
|
|
CreateNamedFontEntry(aFace, aEntryName.get(), aIndex);
|
|
|
|
auto& fontFamilies =
|
|
(aVisibility == FT2FontFamily::kHidden) ? mHiddenFontFamilies :
|
|
mFontFamilies;
|
|
|
|
if (fe) {
|
|
NS_ConvertUTF8toUTF16 name(aFace->family_name);
|
|
BuildKeyNameFromFontName(name);
|
|
gfxFontFamily *family = fontFamilies.GetWeak(name);
|
|
if (!family) {
|
|
family = new FT2FontFamily(name);
|
|
fontFamilies.Put(name, family);
|
|
if (mSkipSpaceLookupCheckFamilies.Contains(name)) {
|
|
family->SetSkipSpaceFeatureCheck(true);
|
|
}
|
|
if (mBadUnderlineFamilyNames.Contains(name)) {
|
|
family->SetBadUnderlineFamily();
|
|
}
|
|
}
|
|
fe->mStandardFace = (aStdFile == kStandard);
|
|
family->AddFontEntry(fe);
|
|
|
|
fe->CheckForBrokenFont(family);
|
|
|
|
AppendToFaceList(aFaceList, name, fe);
|
|
if (LOG_ENABLED()) {
|
|
LOG(("(fontinit) added (%s) to family (%s)"
|
|
" with style: %s weight: %d stretch: %d",
|
|
NS_ConvertUTF16toUTF8(fe->Name()).get(),
|
|
NS_ConvertUTF16toUTF8(family->Name()).get(),
|
|
fe->IsItalic() ? "italic" : "normal",
|
|
fe->Weight(), fe->Stretch()));
|
|
}
|
|
}
|
|
}
|
|
|
|
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, ×tamp, &filesize);
|
|
if (faceList.Length() > 0) {
|
|
AppendFacesFromCachedFaceList(aEntryName, faceList);
|
|
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.
|
|
nsAutoArrayPtr<uint8_t> buf(new (fallible) uint8_t[bufSize]);
|
|
if (!buf) {
|
|
return;
|
|
}
|
|
|
|
nsZipCursor cursor(item, aArchive, buf, bufSize);
|
|
uint8_t* data = cursor.Copy(&bufSize);
|
|
NS_ASSERTION(data && bufSize == item->RealSize(),
|
|
"error reading bundled font");
|
|
if (!data) {
|
|
return;
|
|
}
|
|
|
|
FT_Library ftLibrary = gfxAndroidPlatform::GetPlatform()->GetFTLibrary();
|
|
|
|
FT_Face dummy;
|
|
if (FT_Err_Ok != FT_New_Memory_Face(ftLibrary, buf, bufSize, 0, &dummy)) {
|
|
return;
|
|
}
|
|
|
|
for (FT_Long i = 0; i < dummy->num_faces; i++) {
|
|
FT_Face face;
|
|
if (FT_Err_Ok != FT_New_Memory_Face(ftLibrary, buf, bufSize, i, &face)) {
|
|
continue;
|
|
}
|
|
AddFaceToList(aEntryName, i, kStandard, FT2FontFamily::kVisible,
|
|
face, faceList);
|
|
FT_Done_Face(face);
|
|
}
|
|
|
|
FT_Done_Face(dummy);
|
|
|
|
if (aCache && !faceList.IsEmpty()) {
|
|
aCache->CacheFileInfo(aEntryName, faceList, 0, bufSize);
|
|
}
|
|
}
|
|
|
|
// Called on each family after all fonts are added to the list;
|
|
// this will sort faces to give priority to "standard" font files
|
|
// if aUserArg is non-null (i.e. we're using it as a boolean flag)
|
|
static void
|
|
FinalizeFamilyMemberList(nsStringHashKey::KeyType aKey,
|
|
nsRefPtr<gfxFontFamily>& aFamily,
|
|
bool aSortFaces)
|
|
{
|
|
gfxFontFamily *family = aFamily.get();
|
|
|
|
family->SetHasStyles(true);
|
|
|
|
if (aSortFaces) {
|
|
family->SortAvailableFonts();
|
|
}
|
|
family->CheckForSimpleFamily();
|
|
}
|
|
|
|
void
|
|
gfxFT2FontList::FindFonts()
|
|
{
|
|
gfxFontCache *fc = gfxFontCache::GetCache();
|
|
if (fc)
|
|
fc->AgeAllGenerations();
|
|
mPrefFonts.Clear();
|
|
mCodepointsWithNoFonts.reset();
|
|
|
|
mCodepointsWithNoFonts.SetRange(0,0x1f); // C0 controls
|
|
mCodepointsWithNoFonts.SetRange(0x7f,0x9f); // C1 controls
|
|
|
|
if (!XRE_IsParentProcess()) {
|
|
// Content process: ask the Chrome process to give us the list
|
|
InfallibleTArray<FontListEntry> fonts;
|
|
mozilla::dom::ContentChild::GetSingleton()->SendReadFontList(&fonts);
|
|
for (uint32_t i = 0, n = fonts.Length(); i < n; ++i) {
|
|
// We don't need to identify "standard" font files here,
|
|
// as the faces are already sorted.
|
|
AppendFaceFromFontListEntry(fonts[i], kUnknown);
|
|
}
|
|
// Passing null for userdata tells Finalize that it does not need
|
|
// to sort faces (because they were already sorted by chrome,
|
|
// so we just maintain the existing order)
|
|
for (auto iter = mFontFamilies.Iter(); !iter.Done(); iter.Next()) {
|
|
nsStringHashKey::KeyType key = iter.Key();
|
|
nsRefPtr<gfxFontFamily>& family = iter.Data();
|
|
FinalizeFamilyMemberList(key, family, /* aSortFaces */ false);
|
|
}
|
|
for (auto iter = mHiddenFontFamilies.Iter(); !iter.Done(); iter.Next()) {
|
|
nsStringHashKey::KeyType key = iter.Key();
|
|
nsRefPtr<gfxFontFamily>& family = iter.Data();
|
|
FinalizeFamilyMemberList(key, family, /* aSortFaces */ false );
|
|
}
|
|
|
|
LOG(("got font list from chrome process: %d faces in %d families "
|
|
"and %d in hidden families",
|
|
fonts.Length(), mFontFamilies.Count(),
|
|
mHiddenFontFamilies.Count()));
|
|
return;
|
|
}
|
|
|
|
// Chrome process: get the cached list (if any)
|
|
FontNameCache fnc;
|
|
|
|
// 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 = NS_LITERAL_CSTRING("/system");
|
|
}
|
|
root.AppendLiteral("/fonts");
|
|
|
|
FindFontsInDir(root, &fnc, FT2FontFamily::kVisible);
|
|
|
|
if (mFontFamilies.Count() == 0) {
|
|
// if we can't find/read the font directory, we are doomed!
|
|
NS_RUNTIMEABORT("Could not read the system fonts directory");
|
|
}
|
|
|
|
#ifdef MOZ_WIDGET_GONK
|
|
// Look for fonts in /system/fonts/hidden and preload them to the
|
|
// user-font cache as data: URIs
|
|
root.AppendLiteral("/hidden");
|
|
FindFontsInDir(root, &fnc, FT2FontFamily::kHidden);
|
|
#endif
|
|
|
|
// 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 ((NS_SUCCEEDED(mem->IsLowMemoryPlatform(&lowmem)) && !lowmem &&
|
|
Preferences::GetBool("gfx.bundled_fonts.enabled")) ||
|
|
Preferences::GetBool("gfx.bundled_fonts.force-enabled")) {
|
|
FindFontsInOmnijar(&fnc);
|
|
}
|
|
|
|
// 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(NS_LITERAL_CSTRING("fonts"));
|
|
nsCString localPath;
|
|
if (NS_SUCCEEDED(appDir->GetNativePath(localPath))) {
|
|
FindFontsInDir(localPath, &fnc, FT2FontFamily::kVisible);
|
|
}
|
|
}
|
|
}
|
|
|
|
// 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(NS_LITERAL_STRING("fonts")))) {
|
|
nsCString localPath;
|
|
rv = localDir->GetNativePath(localPath);
|
|
if (NS_SUCCEEDED(rv)) {
|
|
FindFontsInDir(localPath, &fnc, FT2FontFamily::kVisible);
|
|
}
|
|
}
|
|
|
|
// Finalize the families by sorting faces into standard order
|
|
// and marking "simple" families.
|
|
// Passing non-null userData here says that we want faces to be sorted.
|
|
for (auto iter = mFontFamilies.Iter(); !iter.Done(); iter.Next()) {
|
|
nsStringHashKey::KeyType key = iter.Key();
|
|
nsRefPtr<gfxFontFamily>& family = iter.Data();
|
|
FinalizeFamilyMemberList(key, family, /* aSortFaces */ true);
|
|
}
|
|
for (auto iter = mHiddenFontFamilies.Iter(); !iter.Done(); iter.Next()) {
|
|
nsStringHashKey::KeyType key = iter.Key();
|
|
nsRefPtr<gfxFontFamily>& family = iter.Data();
|
|
FinalizeFamilyMemberList(key, family, /* aSortFaces */ true);
|
|
}
|
|
}
|
|
|
|
void
|
|
gfxFT2FontList::FindFontsInDir(const nsCString& aDir,
|
|
FontNameCache *aFNC,
|
|
FT2FontFamily::Visibility aVisibility)
|
|
{
|
|
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,
|
|
aVisibility);
|
|
}
|
|
}
|
|
|
|
closedir(d);
|
|
}
|
|
|
|
void
|
|
gfxFT2FontList::AppendFaceFromFontListEntry(const FontListEntry& aFLE,
|
|
StandardFile aStdFile)
|
|
{
|
|
FT2FontEntry* fe = FT2FontEntry::CreateFontEntry(aFLE);
|
|
if (fe) {
|
|
auto& fontFamilies =
|
|
aFLE.isHidden() ? mHiddenFontFamilies : mFontFamilies;
|
|
fe->mStandardFace = (aStdFile == kStandard);
|
|
nsAutoString name(aFLE.familyName());
|
|
gfxFontFamily *family = fontFamilies.GetWeak(name);
|
|
if (!family) {
|
|
family = new FT2FontFamily(name);
|
|
fontFamilies.Put(name, family);
|
|
if (mSkipSpaceLookupCheckFamilies.Contains(name)) {
|
|
family->SetSkipSpaceFeatureCheck(true);
|
|
}
|
|
if (mBadUnderlineFamilyNames.Contains(name)) {
|
|
family->SetBadUnderlineFamily();
|
|
}
|
|
}
|
|
family->AddFontEntry(fe);
|
|
|
|
fe->CheckForBrokenFont(family);
|
|
}
|
|
}
|
|
|
|
void
|
|
gfxFT2FontList::GetSystemFontList(InfallibleTArray<FontListEntry>* retValue)
|
|
{
|
|
for (auto iter = mFontFamilies.Iter(); !iter.Done(); iter.Next()) {
|
|
auto family = static_cast<FT2FontFamily*>(iter.Data().get());
|
|
family->AddFacesToFontList(retValue, FT2FontFamily::kVisible);
|
|
}
|
|
for (auto iter = mHiddenFontFamilies.Iter(); !iter.Done(); iter.Next()) {
|
|
auto family = static_cast<FT2FontFamily*>(iter.Data().get());
|
|
family->AddFacesToFontList(retValue, FT2FontFamily::kHidden);
|
|
}
|
|
}
|
|
|
|
static void
|
|
LoadSkipSpaceLookupCheck(nsTHashtable<nsStringHashKey>& aSkipSpaceLookupCheck)
|
|
{
|
|
nsAutoTArray<nsString, 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]);
|
|
}
|
|
}
|
|
|
|
void
|
|
PreloadAsUserFontFaces(nsStringHashKey::KeyType aKey,
|
|
nsRefPtr<gfxFontFamily>& aFamily)
|
|
{
|
|
gfxFontFamily *family = aFamily.get();
|
|
|
|
auto& faces = family->GetFontList();
|
|
size_t count = faces.Length();
|
|
for (size_t i = 0; i < count; ++i) {
|
|
FT2FontEntry* fe = static_cast<FT2FontEntry*>(faces[i].get());
|
|
if (fe->mFTFontIndex != 0) {
|
|
NS_NOTREACHED("don't try to preload a multi-face font");
|
|
continue;
|
|
}
|
|
|
|
// XXX Should we move the i/o here off the main thread?
|
|
|
|
// Map the font data in fe->mFilename, so we can calculate its CRC32.
|
|
int fd = open(fe->mFilename.get(), O_RDONLY);
|
|
if (fd < 0) {
|
|
continue;
|
|
}
|
|
struct stat buf;
|
|
if (fstat(fd, &buf) != 0 || buf.st_size < 12) {
|
|
close(fd);
|
|
continue;
|
|
}
|
|
char* data = static_cast<char*>(
|
|
mmap(0, buf.st_size, PROT_READ, MAP_PRIVATE, fd, 0));
|
|
close(fd);
|
|
if (data == MAP_FAILED) {
|
|
continue;
|
|
}
|
|
|
|
// Calculate CRC32
|
|
uint32_t crc = crc32(0, nullptr, 0);
|
|
crc = crc32(crc, (Bytef*)data, buf.st_size);
|
|
munmap(data, buf.st_size);
|
|
|
|
#if 0
|
|
ALOG("\n**** Preloading family [%s] face [%s] CRC32 [0x%08x]",
|
|
NS_ConvertUTF16toUTF8(family->Name()).get(),
|
|
fe->mFilename.get(),
|
|
crc);
|
|
#endif
|
|
|
|
fe->mUserFontData = new gfxUserFontData;
|
|
fe->mUserFontData->mRealName = fe->Name();
|
|
fe->mUserFontData->mCRC32 = crc;
|
|
fe->mUserFontData->mLength = buf.st_size;
|
|
|
|
// Stash it persistently in the user-font cache.
|
|
gfxUserFontSet::UserFontCache::CacheFont(
|
|
fe, gfxUserFontSet::UserFontCache::kPersistent);
|
|
}
|
|
}
|
|
|
|
nsresult
|
|
gfxFT2FontList::InitFontList()
|
|
{
|
|
// reset font lists
|
|
gfxPlatformFontList::InitFontList();
|
|
mHiddenFontFamilies.Clear();
|
|
|
|
LoadSkipSpaceLookupCheck(mSkipSpaceLookupCheckFamilies);
|
|
|
|
FindFonts();
|
|
|
|
for (auto iter = mHiddenFontFamilies.Iter(); !iter.Done(); iter.Next()) {
|
|
nsStringHashKey::KeyType key = iter.Key();
|
|
nsRefPtr<gfxFontFamily>& family = iter.Data();
|
|
PreloadAsUserFontFaces(key, family);
|
|
}
|
|
return NS_OK;
|
|
}
|
|
|
|
// 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 nsAString& aFontName,
|
|
uint16_t aWeight,
|
|
int16_t aStretch,
|
|
bool aItalic)
|
|
{
|
|
// walk over list of names
|
|
FT2FontEntry* fontEntry = nullptr;
|
|
nsString fullName(aFontName);
|
|
|
|
// Note that we only check mFontFamilies here, not mHiddenFontFamilies;
|
|
// hence @font-face { src:local(...) } will not find hidden fonts.
|
|
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
|
|
nsRefPtr<gfxFontFamily>& fontFamily = iter.Data();
|
|
|
|
// does the family name match up to the length of the family name?
|
|
const nsString& family = fontFamily->Name();
|
|
nsString fullNameFamily;
|
|
|
|
fullName.Left(fullNameFamily, family.Length());
|
|
|
|
// if so, iterate over faces in this family to see if there is a match
|
|
if (family.Equals(fullNameFamily, nsCaseInsensitiveStringComparator())) {
|
|
nsTArray<nsRefPtr<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(fullName,
|
|
nsCaseInsensitiveStringComparator())) {
|
|
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
|
|
fontEntry->CairoFontFace();
|
|
if (!fontEntry->mFTFace) {
|
|
return nullptr;
|
|
}
|
|
|
|
FT2FontEntry* fe =
|
|
FT2FontEntry::CreateFontEntry(fontEntry->mFTFace,
|
|
fontEntry->mFilename.get(),
|
|
fontEntry->mFTFontIndex,
|
|
fontEntry->Name(), nullptr);
|
|
if (fe) {
|
|
fe->mItalic = aItalic;
|
|
fe->mWeight = aWeight;
|
|
fe->mStretch = aStretch;
|
|
fe->mIsLocalUserFont = true;
|
|
}
|
|
|
|
return fe;
|
|
}
|
|
|
|
gfxFontFamily*
|
|
gfxFT2FontList::GetDefaultFont(const gfxFontStyle* aStyle)
|
|
{
|
|
gfxFontFamily *ff = nullptr;
|
|
#ifdef MOZ_WIDGET_GONK
|
|
ff = FindFamily(NS_LITERAL_STRING("Fira Sans"));
|
|
#elif defined(MOZ_WIDGET_ANDROID)
|
|
ff = FindFamily(NS_LITERAL_STRING("Roboto"));
|
|
if (!ff) {
|
|
ff = FindFamily(NS_LITERAL_STRING("Droid Sans"));
|
|
}
|
|
#endif
|
|
/* TODO: what about Qt or other platforms that may use this? */
|
|
return ff;
|
|
}
|
|
|
|
gfxFontEntry*
|
|
gfxFT2FontList::MakePlatformFont(const nsAString& aFontName,
|
|
uint16_t aWeight,
|
|
int16_t aStretch,
|
|
bool aItalic,
|
|
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, aWeight, aStretch,
|
|
aItalic, aFontData, aLength);
|
|
}
|
|
|
|
void
|
|
gfxFT2FontList::GetFontFamilyList(nsTArray<nsRefPtr<gfxFontFamily> >& aFamilyArray)
|
|
{
|
|
for (auto iter = mFontFamilies.Iter(); !iter.Done(); iter.Next()) {
|
|
nsRefPtr<gfxFontFamily>& family = iter.Data();
|
|
aFamilyArray.AppendElement(family);
|
|
}
|
|
for (auto iter = mHiddenFontFamilies.Iter(); !iter.Done(); iter.Next()) {
|
|
nsRefPtr<gfxFontFamily>& family = iter.Data();
|
|
aFamilyArray.AppendElement(family);
|
|
}
|
|
}
|