1614 lines
54 KiB
C++
1614 lines
54 KiB
C++
/* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 4 -*-
|
|
* 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/MemoryReporting.h"
|
|
|
|
#include "mozilla/dom/ContentChild.h"
|
|
#include "gfxAndroidPlatform.h"
|
|
#include "mozilla/Omnijar.h"
|
|
#include "mozilla/UniquePtr.h"
|
|
#include "mozilla/UniquePtrExtensions.h"
|
|
#include "nsIInputStream.h"
|
|
#define gfxToolkitPlatform gfxAndroidPlatform
|
|
|
|
#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 "cairo-ft.h"
|
|
|
|
#include "gfxFT2FontList.h"
|
|
#include "gfxFT2Fonts.h"
|
|
#include "gfxUserFontSet.h"
|
|
#include "gfxFontUtils.h"
|
|
|
|
#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 "nsISimpleEnumerator.h"
|
|
#include "nsIMemory.h"
|
|
#include "gfxFontConstants.h"
|
|
|
|
#include "mozilla/Preferences.h"
|
|
#include "mozilla/scache/StartupCache.h"
|
|
#include <fcntl.h>
|
|
#include <sys/mman.h>
|
|
#include <sys/stat.h>
|
|
|
|
using namespace mozilla;
|
|
|
|
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 cairo_user_data_key_t sFTUserFontDataKey;
|
|
|
|
static __inline void
|
|
BuildKeyNameFromFontName(nsAString &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.
|
|
class AutoFTFace {
|
|
public:
|
|
AutoFTFace(FT2FontEntry* aFontEntry)
|
|
: mFace(nullptr), mFontDataBuf(nullptr), mOwnsFace(false)
|
|
{
|
|
if (aFontEntry->mFTFace) {
|
|
mFace = aFontEntry->mFTFace;
|
|
return;
|
|
}
|
|
|
|
NS_ASSERTION(!aFontEntry->mFilename.IsEmpty(),
|
|
"can't use AutoFTFace for fonts without a filename");
|
|
FT_Library ft = gfxToolkitPlatform::GetPlatform()->GetFTLibrary();
|
|
|
|
// 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.
|
|
if (aFontEntry->mFilename[0] != '/') {
|
|
RefPtr<nsZipArchive> reader =
|
|
Omnijar::GetReader(Omnijar::Type::GRE);
|
|
nsZipItem *item = reader->GetItem(aFontEntry->mFilename.get());
|
|
NS_ASSERTION(item, "failed to find zip entry");
|
|
|
|
uint32_t bufSize = item->RealSize();
|
|
mFontDataBuf = static_cast<uint8_t*>(malloc(bufSize));
|
|
if (mFontDataBuf) {
|
|
nsZipCursor cursor(item, reader, mFontDataBuf, bufSize);
|
|
cursor.Copy(&bufSize);
|
|
NS_ASSERTION(bufSize == item->RealSize(),
|
|
"error reading bundled font");
|
|
|
|
if (FT_Err_Ok != FT_New_Memory_Face(ft, mFontDataBuf, bufSize,
|
|
aFontEntry->mFTFontIndex,
|
|
&mFace)) {
|
|
NS_WARNING("failed to create freetype face");
|
|
}
|
|
}
|
|
} else {
|
|
if (FT_Err_Ok != FT_New_Face(ft, aFontEntry->mFilename.get(),
|
|
aFontEntry->mFTFontIndex, &mFace)) {
|
|
NS_WARNING("failed to create freetype face");
|
|
}
|
|
}
|
|
if (FT_Err_Ok != FT_Select_Charmap(mFace, FT_ENCODING_UNICODE)) {
|
|
NS_WARNING("failed to select Unicode charmap");
|
|
}
|
|
mOwnsFace = true;
|
|
}
|
|
|
|
~AutoFTFace() {
|
|
if (mFace && mOwnsFace) {
|
|
FT_Done_Face(mFace);
|
|
if (mFontDataBuf) {
|
|
free(mFontDataBuf);
|
|
}
|
|
}
|
|
}
|
|
|
|
operator FT_Face() { return mFace; }
|
|
|
|
// If we 'forget' the FT_Face (used when ownership is handed over to Cairo),
|
|
// we do -not- free the mFontDataBuf (if used); that also becomes the
|
|
// responsibility of the new owner of the face.
|
|
FT_Face forget() {
|
|
NS_ASSERTION(mOwnsFace, "can't forget() when we didn't own the face");
|
|
mOwnsFace = false;
|
|
return mFace;
|
|
}
|
|
|
|
const uint8_t* FontData() const { return mFontDataBuf; }
|
|
|
|
private:
|
|
FT_Face mFace;
|
|
uint8_t* mFontDataBuf; // Uncompressed data (for fonts stored in a JAR),
|
|
// or null for fonts instantiated from a file.
|
|
// If non-null, this must survive as long as the
|
|
// FT_Face.
|
|
bool mOwnsFace;
|
|
};
|
|
|
|
/*
|
|
* 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.
|
|
*/
|
|
|
|
cairo_scaled_font_t *
|
|
FT2FontEntry::CreateScaledFont(const gfxFontStyle *aStyle)
|
|
{
|
|
cairo_font_face_t *cairoFace = CairoFontFace();
|
|
if (!cairoFace) {
|
|
return nullptr;
|
|
}
|
|
|
|
cairo_scaled_font_t *scaledFont = nullptr;
|
|
|
|
cairo_matrix_t sizeMatrix;
|
|
cairo_matrix_t identityMatrix;
|
|
|
|
// XXX deal with adjusted size
|
|
cairo_matrix_init_scale(&sizeMatrix, aStyle->size, aStyle->size);
|
|
cairo_matrix_init_identity(&identityMatrix);
|
|
|
|
// synthetic oblique by skewing via the font matrix
|
|
bool needsOblique = IsUpright() &&
|
|
aStyle->style != NS_FONT_STYLE_NORMAL &&
|
|
aStyle->allowSyntheticStyle;
|
|
|
|
if (needsOblique) {
|
|
cairo_matrix_t style;
|
|
cairo_matrix_init(&style,
|
|
1, //xx
|
|
0, //yx
|
|
-1 * OBLIQUE_SKEW_FACTOR, //xy
|
|
1, //yy
|
|
0, //x0
|
|
0); //y0
|
|
cairo_matrix_multiply(&sizeMatrix, &sizeMatrix, &style);
|
|
}
|
|
|
|
cairo_font_options_t *fontOptions = cairo_font_options_create();
|
|
|
|
if (gfxPlatform::GetPlatform()->RequiresLinearZoom()) {
|
|
cairo_font_options_set_hint_metrics(fontOptions, CAIRO_HINT_METRICS_OFF);
|
|
}
|
|
|
|
scaledFont = cairo_scaled_font_create(cairoFace,
|
|
&sizeMatrix,
|
|
&identityMatrix, fontOptions);
|
|
cairo_font_options_destroy(fontOptions);
|
|
|
|
NS_ASSERTION(cairo_scaled_font_status(scaledFont) == CAIRO_STATUS_SUCCESS,
|
|
"Failed to make scaled font");
|
|
|
|
return scaledFont;
|
|
}
|
|
|
|
FT2FontEntry::~FT2FontEntry()
|
|
{
|
|
// Do nothing for mFTFace here since FTFontDestroyFunc is called by cairo.
|
|
mFTFace = nullptr;
|
|
|
|
#ifndef ANDROID
|
|
if (mFontFace) {
|
|
cairo_font_face_destroy(mFontFace);
|
|
mFontFace = nullptr;
|
|
}
|
|
#endif
|
|
}
|
|
|
|
gfxFont*
|
|
FT2FontEntry::CreateFontInstance(const gfxFontStyle *aFontStyle, bool aNeedsBold)
|
|
{
|
|
cairo_scaled_font_t *scaledFont = CreateScaledFont(aFontStyle);
|
|
if (!scaledFont) {
|
|
return nullptr;
|
|
}
|
|
gfxFont *font = new gfxFT2Font(scaledFont, this, aFontStyle, aNeedsBold);
|
|
cairo_scaled_font_destroy(scaledFont);
|
|
return font;
|
|
}
|
|
|
|
/* static */
|
|
FT2FontEntry*
|
|
FT2FontEntry::CreateFontEntry(const nsAString& aFontName,
|
|
uint16_t aWeight,
|
|
int16_t aStretch,
|
|
uint8_t 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.
|
|
FT_Face face;
|
|
FT_Error error =
|
|
FT_New_Memory_Face(gfxToolkitPlatform::GetPlatform()->GetFTLibrary(),
|
|
aFontData, aLength, 0, &face);
|
|
if (error != FT_Err_Ok) {
|
|
free((void*)aFontData);
|
|
return nullptr;
|
|
}
|
|
if (FT_Err_Ok != FT_Select_Charmap(face, FT_ENCODING_UNICODE)) {
|
|
FT_Done_Face(face);
|
|
free((void*)aFontData);
|
|
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(face, nullptr, 0, aFontName,
|
|
aFontData);
|
|
if (fe) {
|
|
fe->mStyle = aStyle;
|
|
fe->mWeight = aWeight;
|
|
fe->mStretch = aStretch;
|
|
fe->mIsDataUserFont = true;
|
|
}
|
|
return fe;
|
|
}
|
|
|
|
class FTUserFontData {
|
|
public:
|
|
FTUserFontData(FT_Face aFace, const uint8_t* aData)
|
|
: mFace(aFace), mFontData(aData)
|
|
{
|
|
}
|
|
|
|
~FTUserFontData()
|
|
{
|
|
FT_Done_Face(mFace);
|
|
if (mFontData) {
|
|
free((void*)mFontData);
|
|
}
|
|
}
|
|
|
|
const uint8_t *FontData() const { return mFontData; }
|
|
|
|
private:
|
|
FT_Face mFace;
|
|
const uint8_t *mFontData;
|
|
};
|
|
|
|
static void
|
|
FTFontDestroyFunc(void *data)
|
|
{
|
|
FTUserFontData *userFontData = static_cast<FTUserFontData*>(data);
|
|
delete userFontData;
|
|
}
|
|
|
|
/* static */
|
|
FT2FontEntry*
|
|
FT2FontEntry::CreateFontEntry(const FontListEntry& aFLE)
|
|
{
|
|
FT2FontEntry *fe = new FT2FontEntry(aFLE.faceName());
|
|
fe->mFilename = aFLE.filepath();
|
|
fe->mFTFontIndex = aFLE.index();
|
|
fe->mWeight = aFLE.weight();
|
|
fe->mStretch = aFLE.stretch();
|
|
fe->mStyle = (aFLE.italic() ? NS_FONT_STYLE_ITALIC : NS_FONT_STYLE_NORMAL);
|
|
return fe;
|
|
}
|
|
|
|
// Helpers to extract font entry properties from an FT_Face
|
|
static bool
|
|
FTFaceIsItalic(FT_Face aFace)
|
|
{
|
|
return !!(aFace->style_flags & FT_STYLE_FLAG_ITALIC);
|
|
}
|
|
|
|
static uint16_t
|
|
FTFaceGetWeight(FT_Face aFace)
|
|
{
|
|
TT_OS2 *os2 = static_cast<TT_OS2*>(FT_Get_Sfnt_Table(aFace, ft_sfnt_os2));
|
|
uint16_t os2weight = 0;
|
|
if (os2 && os2->version != 0xffff) {
|
|
// Technically, only 100 to 900 are valid, but some fonts
|
|
// have this set wrong -- e.g. "Microsoft Logo Bold Italic" has
|
|
// it set to 6 instead of 600. We try to be nice and handle that
|
|
// as well.
|
|
if (os2->usWeightClass >= 100 && os2->usWeightClass <= 900) {
|
|
os2weight = os2->usWeightClass;
|
|
} else if (os2->usWeightClass >= 1 && os2->usWeightClass <= 9) {
|
|
os2weight = os2->usWeightClass * 100;
|
|
}
|
|
}
|
|
|
|
uint16_t result;
|
|
if (os2weight != 0) {
|
|
result = os2weight;
|
|
} else if (aFace->style_flags & FT_STYLE_FLAG_BOLD) {
|
|
result = 700;
|
|
} else {
|
|
result = 400;
|
|
}
|
|
|
|
NS_ASSERTION(result >= 100 && result <= 900, "Invalid weight in font!");
|
|
|
|
return result;
|
|
}
|
|
|
|
// Used to create the font entry for installed faces on the device,
|
|
// when iterating over the fonts directories.
|
|
// We use the FT_Face to retrieve the details needed for the font entry,
|
|
// but unless we have been passed font data (i.e. for a user font),
|
|
// we do *not* save a reference to it, nor create a cairo face,
|
|
// as we don't want to keep a freetype face for every installed font
|
|
// permanently in memory.
|
|
/* static */
|
|
FT2FontEntry*
|
|
FT2FontEntry::CreateFontEntry(FT_Face aFace,
|
|
const char* aFilename, uint8_t aIndex,
|
|
const nsAString& aName,
|
|
const uint8_t* aFontData)
|
|
{
|
|
FT2FontEntry *fe = new FT2FontEntry(aName);
|
|
fe->mStyle = (FTFaceIsItalic(aFace) ?
|
|
NS_FONT_STYLE_ITALIC : NS_FONT_STYLE_NORMAL);
|
|
fe->mWeight = FTFaceGetWeight(aFace);
|
|
fe->mFilename = aFilename;
|
|
fe->mFTFontIndex = aIndex;
|
|
|
|
if (aFontData) {
|
|
fe->mFTFace = aFace;
|
|
int flags = gfxPlatform::GetPlatform()->FontHintingEnabled() ?
|
|
FT_LOAD_DEFAULT :
|
|
(FT_LOAD_NO_AUTOHINT | FT_LOAD_NO_HINTING);
|
|
fe->mFontFace = cairo_ft_font_face_create_for_ft_face(aFace, flags);
|
|
FTUserFontData *userFontData = new FTUserFontData(aFace, aFontData);
|
|
cairo_font_face_set_user_data(fe->mFontFace, &sFTUserFontDataKey,
|
|
userFontData, FTFontDestroyFunc);
|
|
}
|
|
|
|
return fe;
|
|
}
|
|
|
|
// construct font entry name for an installed font from names in the FT_Face,
|
|
// and then create our FT2FontEntry
|
|
static FT2FontEntry*
|
|
CreateNamedFontEntry(FT_Face aFace, const char* aFilename, uint8_t aIndex)
|
|
{
|
|
if (!aFace->family_name) {
|
|
return nullptr;
|
|
}
|
|
nsAutoString fontName;
|
|
AppendUTF8toUTF16(aFace->family_name, fontName);
|
|
if (aFace->style_name && strcmp("Regular", aFace->style_name)) {
|
|
fontName.Append(' ');
|
|
AppendUTF8toUTF16(aFace->style_name, fontName);
|
|
}
|
|
return FT2FontEntry::CreateFontEntry(aFace, aFilename, aIndex, fontName);
|
|
}
|
|
|
|
FT2FontEntry*
|
|
gfxFT2Font::GetFontEntry()
|
|
{
|
|
return static_cast<FT2FontEntry*> (mFontEntry.get());
|
|
}
|
|
|
|
cairo_font_face_t *
|
|
FT2FontEntry::CairoFontFace()
|
|
{
|
|
if (!mFontFace) {
|
|
AutoFTFace face(this);
|
|
if (!face) {
|
|
return nullptr;
|
|
}
|
|
mFTFace = face.forget();
|
|
int flags = gfxPlatform::GetPlatform()->FontHintingEnabled() ?
|
|
FT_LOAD_DEFAULT :
|
|
(FT_LOAD_NO_AUTOHINT | FT_LOAD_NO_HINTING);
|
|
mFontFace = cairo_ft_font_face_create_for_ft_face(face, flags);
|
|
FTUserFontData *userFontData = new FTUserFontData(face, face.FontData());
|
|
cairo_font_face_set_user_data(mFontFace, &sFTUserFontDataKey,
|
|
userFontData, FTFontDestroyFunc);
|
|
}
|
|
return mFontFace;
|
|
}
|
|
|
|
// 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) {
|
|
return NS_OK;
|
|
}
|
|
|
|
RefPtr<gfxCharacterMap> charmap = new gfxCharacterMap();
|
|
|
|
AutoTArray<uint8_t, 16384> buffer;
|
|
nsresult rv = CopyFontTable(TTAG_cmap, buffer);
|
|
|
|
if (NS_SUCCEEDED(rv)) {
|
|
bool unicodeFont;
|
|
bool symbolFont;
|
|
rv = gfxFontUtils::ReadCMAP(buffer.Elements(), buffer.Length(),
|
|
*charmap, mUVSOffset,
|
|
unicodeFont, symbolFont);
|
|
}
|
|
|
|
if (NS_SUCCEEDED(rv) && !HasGraphiteTables()) {
|
|
// We 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)) {
|
|
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();
|
|
mCharacterMap = pfl->FindCharMap(charmap);
|
|
} else {
|
|
// if error occurred, initialize to null cmap
|
|
mCharacterMap = new gfxCharacterMap();
|
|
}
|
|
return rv;
|
|
}
|
|
|
|
nsresult
|
|
FT2FontEntry::CopyFontTable(uint32_t aTableTag, nsTArray<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 gfxFontUtils::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->mStyle,
|
|
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:
|
|
// 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()
|
|
{
|
|
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);
|
|
}
|
|
|
|
// This may be called more than once (if we re-load the font list).
|
|
void Init()
|
|
{
|
|
if (!mCache) {
|
|
return;
|
|
}
|
|
|
|
uint32_t size;
|
|
UniquePtr<char[]> buf;
|
|
if (NS_FAILED(mCache->GetBuffer(CACHE_KEY, &buf, &size))) {
|
|
return;
|
|
}
|
|
|
|
LOG(("got: %s from the cache", nsDependentCString(buf.get(), size).get()));
|
|
|
|
mMap.Clear();
|
|
mWriteNeeded = false;
|
|
|
|
const char* beginning = buf.get();
|
|
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, ';');
|
|
}
|
|
}
|
|
|
|
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;
|
|
|
|
typedef struct : public PLDHashEntryHdr {
|
|
public:
|
|
nsCString mFilename;
|
|
uint32_t mTimestamp;
|
|
uint32_t mFilesize;
|
|
nsCString mFaces;
|
|
bool mFileExists;
|
|
} FNCMapEntry;
|
|
|
|
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()
|
|
{ }
|
|
|
|
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 {
|
|
NS_NOTREACHED("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();
|
|
}
|
|
}
|
|
|
|
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) {
|
|
NS_ConvertUTF8toUTF16 familyName(beginning, end - beginning);
|
|
ToLowerCase(familyName);
|
|
beginning = end + 1;
|
|
if (!(end = strchr(beginning, ','))) {
|
|
break;
|
|
}
|
|
NS_ConvertUTF8toUTF16 faceName(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);
|
|
}
|
|
}
|
|
}
|
|
|
|
void
|
|
gfxFT2FontList::FindFontsInOmnijar(FontNameCache *aCache)
|
|
{
|
|
bool jarChanged = false;
|
|
|
|
mozilla::scache::StartupCache* cache =
|
|
mozilla::scache::StartupCache::GetSingleton();
|
|
UniquePtr<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 > *(int64_t*)cachedModifiedTimeBuf.get()) {
|
|
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;
|
|
}
|
|
}
|
|
}
|
|
|
|
// 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
|
|
RefPtr<FT2FontEntry> fe =
|
|
CreateNamedFontEntry(aFace, aEntryName.get(), aIndex);
|
|
|
|
auto& fontFamilies =
|
|
(aVisibility == FT2FontFamily::kHidden) ? mHiddenFontFamilies :
|
|
mFontFamilies;
|
|
|
|
if (fe) {
|
|
NS_ConvertUTF8toUTF16 name(aFace->family_name);
|
|
BuildKeyNameFromFontName(name);
|
|
RefPtr<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.
|
|
auto buf = MakeUniqueFallible<uint8_t[]>(bufSize);
|
|
if (!buf) {
|
|
return;
|
|
}
|
|
|
|
nsZipCursor cursor(item, aArchive, buf.get(), 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.get(), 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.get(), 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,
|
|
RefPtr<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();
|
|
ClearLangGroupPrefFonts();
|
|
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();
|
|
RefPtr<gfxFontFamily>& family = iter.Data();
|
|
FinalizeFamilyMemberList(key, family, /* aSortFaces */ false);
|
|
}
|
|
for (auto iter = mHiddenFontFamilies.Iter(); !iter.Done(); iter.Next()) {
|
|
nsStringHashKey::KeyType key = iter.Key();
|
|
RefPtr<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)
|
|
if (!mFontNameCache) {
|
|
mFontNameCache = MakeUnique<FontNameCache>();
|
|
}
|
|
mFontNameCache->Init();
|
|
|
|
// 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, mFontNameCache.get(), 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");
|
|
}
|
|
|
|
// 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(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(NS_LITERAL_CSTRING("fonts"));
|
|
nsCString localPath;
|
|
if (NS_SUCCEEDED(appDir->GetNativePath(localPath))) {
|
|
FindFontsInDir(localPath, mFontNameCache.get(),
|
|
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, mFontNameCache.get(),
|
|
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();
|
|
RefPtr<gfxFontFamily>& family = iter.Data();
|
|
FinalizeFamilyMemberList(key, family, /* aSortFaces */ true);
|
|
}
|
|
for (auto iter = mHiddenFontFamilies.Iter(); !iter.Done(); iter.Next()) {
|
|
nsStringHashKey::KeyType key = iter.Key();
|
|
RefPtr<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());
|
|
RefPtr<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)
|
|
{
|
|
AutoTArray<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,
|
|
RefPtr<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 = MakeUnique<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::InitFontListForPlatform()
|
|
{
|
|
// reset hidden font list
|
|
mHiddenFontFamilies.Clear();
|
|
|
|
LoadSkipSpaceLookupCheck(mSkipSpaceLookupCheckFamilies);
|
|
|
|
FindFonts();
|
|
|
|
for (auto iter = mHiddenFontFamilies.Iter(); !iter.Done(); iter.Next()) {
|
|
nsStringHashKey::KeyType key = iter.Key();
|
|
RefPtr<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,
|
|
uint8_t aStyle)
|
|
{
|
|
// 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
|
|
RefPtr<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<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(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->mStyle = aStyle;
|
|
fe->mWeight = aWeight;
|
|
fe->mStretch = aStretch;
|
|
fe->mIsLocalUserFont = true;
|
|
}
|
|
|
|
return fe;
|
|
}
|
|
|
|
gfxFontFamily*
|
|
gfxFT2FontList::GetDefaultFontForPlatform(const gfxFontStyle* aStyle)
|
|
{
|
|
gfxFontFamily *ff = nullptr;
|
|
#if 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,
|
|
uint8_t aStyle,
|
|
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,
|
|
aStyle, aFontData, aLength);
|
|
}
|
|
|
|
void
|
|
gfxFT2FontList::GetFontFamilyList(nsTArray<RefPtr<gfxFontFamily> >& aFamilyArray)
|
|
{
|
|
for (auto iter = mFontFamilies.Iter(); !iter.Done(); iter.Next()) {
|
|
RefPtr<gfxFontFamily>& family = iter.Data();
|
|
aFamilyArray.AppendElement(family);
|
|
}
|
|
for (auto iter = mHiddenFontFamilies.Iter(); !iter.Done(); iter.Next()) {
|
|
RefPtr<gfxFontFamily>& family = iter.Data();
|
|
aFamilyArray.AppendElement(family);
|
|
}
|
|
}
|
|
|
|
void
|
|
gfxFT2FontList::WillShutdown()
|
|
{
|
|
mozilla::scache::StartupCache* cache =
|
|
mozilla::scache::StartupCache::GetSingleton();
|
|
if (cache && mJarModifiedTime > 0) {
|
|
cache->PutBuffer(JAR_LAST_MODIFED_TIME,
|
|
(char*)&mJarModifiedTime, sizeof(mJarModifiedTime));
|
|
}
|
|
mFontNameCache = nullptr;
|
|
}
|