зеркало из https://github.com/mozilla/gecko-dev.git
597 строки
22 KiB
C++
597 строки
22 KiB
C++
/* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 2 -*-
|
|
* This Source Code Form is subject to the terms of the Mozilla Public
|
|
* License, v. 2.0. If a copy of the MPL was not distributed with this
|
|
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
|
|
|
|
#ifndef GFXPLATFORMFONTLIST_H_
|
|
#define GFXPLATFORMFONTLIST_H_
|
|
|
|
#include "nsDataHashtable.h"
|
|
#include "nsRefPtrHashtable.h"
|
|
#include "nsTHashtable.h"
|
|
|
|
#include "gfxFontUtils.h"
|
|
#include "gfxFontInfoLoader.h"
|
|
#include "gfxFont.h"
|
|
#include "gfxFontConstants.h"
|
|
#include "gfxPlatform.h"
|
|
#include "gfxFontFamilyList.h"
|
|
|
|
#include "nsIMemoryReporter.h"
|
|
#include "mozilla/Attributes.h"
|
|
#include "mozilla/FontPropertyTypes.h"
|
|
#include "mozilla/MemoryReporting.h"
|
|
#include "mozilla/Mutex.h"
|
|
#include "mozilla/RangedArray.h"
|
|
#include "nsLanguageAtomService.h"
|
|
|
|
class CharMapHashKey : public PLDHashEntryHdr {
|
|
public:
|
|
typedef gfxCharacterMap* KeyType;
|
|
typedef const gfxCharacterMap* KeyTypePointer;
|
|
|
|
explicit CharMapHashKey(const gfxCharacterMap* aCharMap)
|
|
: mCharMap(const_cast<gfxCharacterMap*>(aCharMap)) {
|
|
MOZ_COUNT_CTOR(CharMapHashKey);
|
|
}
|
|
CharMapHashKey(const CharMapHashKey& toCopy) : mCharMap(toCopy.mCharMap) {
|
|
MOZ_COUNT_CTOR(CharMapHashKey);
|
|
}
|
|
~CharMapHashKey() { MOZ_COUNT_DTOR(CharMapHashKey); }
|
|
|
|
gfxCharacterMap* GetKey() const { return mCharMap; }
|
|
|
|
bool KeyEquals(const gfxCharacterMap* aCharMap) const {
|
|
NS_ASSERTION(!aCharMap->mBuildOnTheFly && !mCharMap->mBuildOnTheFly,
|
|
"custom cmap used in shared cmap hashtable");
|
|
// cmaps built on the fly never match
|
|
if (aCharMap->mHash != mCharMap->mHash) {
|
|
return false;
|
|
}
|
|
return mCharMap->Equals(aCharMap);
|
|
}
|
|
|
|
static const gfxCharacterMap* KeyToPointer(gfxCharacterMap* aCharMap) {
|
|
return aCharMap;
|
|
}
|
|
static PLDHashNumber HashKey(const gfxCharacterMap* aCharMap) {
|
|
return aCharMap->mHash;
|
|
}
|
|
|
|
enum { ALLOW_MEMMOVE = true };
|
|
|
|
protected:
|
|
// charMaps are not owned by the shared cmap cache, but it will be notified
|
|
// by gfxCharacterMap::Release() when an entry is about to be deleted
|
|
gfxCharacterMap* MOZ_NON_OWNING_REF mCharMap;
|
|
};
|
|
|
|
// gfxPlatformFontList is an abstract class for the global font list on the
|
|
// system; concrete subclasses for each platform implement the actual interface
|
|
// to the system fonts. This class exists because we cannot rely on the platform
|
|
// font-finding APIs to behave in sensible/similar ways, particularly with rich,
|
|
// complex OpenType families, so we do our own font family/style management here
|
|
// instead.
|
|
|
|
// Much of this is based on the old gfxQuartzFontCache, but adapted for use on
|
|
// all platforms.
|
|
|
|
struct FontListSizes {
|
|
uint32_t mFontListSize; // size of the font list and dependent objects
|
|
// (font family and face names, etc), but NOT
|
|
// including the font table cache and the cmaps
|
|
uint32_t
|
|
mFontTableCacheSize; // memory used for the gfxFontEntry table caches
|
|
uint32_t mCharMapsSize; // memory used for cmap coverage info
|
|
uint32_t mLoaderSize; // memory used for (platform-specific) loader
|
|
};
|
|
|
|
class gfxUserFontSet;
|
|
|
|
class gfxPlatformFontList : public gfxFontInfoLoader {
|
|
friend class InitOtherFamilyNamesRunnable;
|
|
|
|
public:
|
|
typedef mozilla::StretchRange StretchRange;
|
|
typedef mozilla::SlantStyleRange SlantStyleRange;
|
|
typedef mozilla::WeightRange WeightRange;
|
|
typedef mozilla::unicode::Script Script;
|
|
|
|
static gfxPlatformFontList* PlatformFontList() { return sPlatformFontList; }
|
|
|
|
static nsresult Init() {
|
|
NS_ASSERTION(!sPlatformFontList, "What's this doing here?");
|
|
gfxPlatform::GetPlatform()->CreatePlatformFontList();
|
|
if (!sPlatformFontList) {
|
|
return NS_ERROR_OUT_OF_MEMORY;
|
|
}
|
|
return NS_OK;
|
|
}
|
|
|
|
static void Shutdown() {
|
|
delete sPlatformFontList;
|
|
sPlatformFontList = nullptr;
|
|
}
|
|
|
|
virtual ~gfxPlatformFontList();
|
|
|
|
// initialize font lists
|
|
nsresult InitFontList();
|
|
|
|
virtual void GetFontList(nsAtom* aLangGroup, const nsACString& aGenericFamily,
|
|
nsTArray<nsString>& aListOfFonts);
|
|
|
|
void UpdateFontList();
|
|
|
|
virtual void ClearLangGroupPrefFonts();
|
|
|
|
virtual void GetFontFamilyList(nsTArray<RefPtr<gfxFontFamily>>& aFamilyArray);
|
|
|
|
gfxFontEntry* SystemFindFontForChar(uint32_t aCh, uint32_t aNextCh,
|
|
Script aRunScript,
|
|
const gfxFontStyle* aStyle);
|
|
|
|
// Flags to control optional behaviors in FindAndAddFamilies. The sense
|
|
// of the bit flags have been chosen such that the default parameter of
|
|
// FindFamiliesFlags(0) in FindFamily will give the most commonly-desired
|
|
// behavior, and only a few callsites need to explicitly pass other values.
|
|
enum class FindFamiliesFlags {
|
|
// If set, "other" (e.g. localized) family names should be loaded
|
|
// immediately; if clear, InitOtherFamilyNames is allowed to defer
|
|
// loading to avoid blocking.
|
|
eForceOtherFamilyNamesLoading = 1 << 0,
|
|
|
|
// If set, FindAndAddFamilies should not check for legacy "styled
|
|
// family" names to add to the font list. This is used to avoid
|
|
// a recursive search when using FindFamily to find a potential base
|
|
// family name for a styled variant.
|
|
eNoSearchForLegacyFamilyNames = 1 << 1,
|
|
|
|
// If set, FindAndAddFamilies will not add a missing entry to
|
|
// mOtherNamesMissed
|
|
eNoAddToNamesMissedWhenSearching = 1 << 2
|
|
};
|
|
|
|
// Find family(ies) matching aFamily and append to the aOutput array
|
|
// (there may be multiple results in the case of fontconfig aliases, etc).
|
|
// Return true if any match was found and appended, false if none.
|
|
virtual bool FindAndAddFamilies(const nsACString& aFamily,
|
|
nsTArray<FamilyAndGeneric>* aOutput,
|
|
FindFamiliesFlags aFlags,
|
|
gfxFontStyle* aStyle = nullptr,
|
|
gfxFloat aDevToCssSize = 1.0);
|
|
|
|
gfxFontEntry* FindFontForFamily(const nsACString& aFamily,
|
|
const gfxFontStyle* aStyle);
|
|
|
|
// name lookup table methods
|
|
|
|
void AddOtherFamilyName(gfxFontFamily* aFamilyEntry,
|
|
nsCString& aOtherFamilyName);
|
|
|
|
void AddFullname(gfxFontEntry* aFontEntry, const nsCString& aFullname);
|
|
|
|
void AddPostscriptName(gfxFontEntry* aFontEntry,
|
|
const nsCString& aPostscriptName);
|
|
|
|
bool NeedFullnamePostscriptNames() { return mExtraNames != nullptr; }
|
|
|
|
// pure virtual functions, to be provided by concrete subclasses
|
|
|
|
// get the system default font family
|
|
gfxFontFamily* GetDefaultFont(const gfxFontStyle* aStyle);
|
|
|
|
/**
|
|
* Look up a font by name on the host platform.
|
|
*
|
|
* Note that the style attributes (weight, stretch, style) are NOT used in
|
|
* selecting the platform font, which is looked up by name only; these are
|
|
* values to be recorded in the new font entry.
|
|
*/
|
|
virtual gfxFontEntry* LookupLocalFont(const nsACString& aFontName,
|
|
WeightRange aWeightForEntry,
|
|
StretchRange aStretchForEntry,
|
|
SlantStyleRange aStyleForEntry) = 0;
|
|
|
|
/**
|
|
* Create a new platform font from downloaded data (@font-face).
|
|
*
|
|
* Note that the style attributes (weight, stretch, style) are NOT related
|
|
* (necessarily) to any values within the font resource itself; these are
|
|
* values to be recorded in the new font entry and used for face selection,
|
|
* in place of whatever inherent style attributes the resource may have.
|
|
*
|
|
* This method takes ownership of the data block passed in as aFontData,
|
|
* and must ensure it is free()'d when no longer required.
|
|
*/
|
|
virtual gfxFontEntry* MakePlatformFont(const nsACString& aFontName,
|
|
WeightRange aWeightForEntry,
|
|
StretchRange aStretchForEntry,
|
|
SlantStyleRange aStyleForEntry,
|
|
const uint8_t* aFontData,
|
|
uint32_t aLength) = 0;
|
|
|
|
// get the standard family name on the platform for a given font name
|
|
// (platforms may override, eg Mac)
|
|
virtual bool GetStandardFamilyName(const nsCString& aFontName,
|
|
nsACString& aFamilyName);
|
|
|
|
// get the default font name which is available on the system from
|
|
// font.name-list.*. if there are no available fonts in the pref,
|
|
// returns nullptr.
|
|
gfxFontFamily* GetDefaultFontFamily(const nsACString& aLangGroup,
|
|
const nsACString& aGenericFamily);
|
|
|
|
virtual void AddSizeOfExcludingThis(mozilla::MallocSizeOf aMallocSizeOf,
|
|
FontListSizes* aSizes) const;
|
|
virtual void AddSizeOfIncludingThis(mozilla::MallocSizeOf aMallocSizeOf,
|
|
FontListSizes* aSizes) const;
|
|
|
|
// search for existing cmap that matches the input
|
|
// return the input if no match is found
|
|
gfxCharacterMap* FindCharMap(gfxCharacterMap* aCmap);
|
|
|
|
// add a cmap to the shared cmap set
|
|
gfxCharacterMap* AddCmap(const gfxCharacterMap* aCharMap);
|
|
|
|
// remove the cmap from the shared cmap set
|
|
void RemoveCmap(const gfxCharacterMap* aCharMap);
|
|
|
|
// keep track of userfont sets to notify when global fontlist changes occur
|
|
void AddUserFontSet(gfxUserFontSet* aUserFontSet) {
|
|
mUserFontSetList.PutEntry(aUserFontSet);
|
|
}
|
|
|
|
void RemoveUserFontSet(gfxUserFontSet* aUserFontSet) {
|
|
mUserFontSetList.RemoveEntry(aUserFontSet);
|
|
}
|
|
|
|
static const gfxFontEntry::ScriptRange sComplexScriptRanges[];
|
|
|
|
void GetFontlistInitInfo(uint32_t& aNumInits, uint32_t& aLoaderState) {
|
|
aNumInits = mFontlistInitCount;
|
|
aLoaderState = (uint32_t)mState;
|
|
}
|
|
|
|
virtual void AddGenericFonts(mozilla::FontFamilyType aGenericType,
|
|
nsAtom* aLanguage,
|
|
nsTArray<FamilyAndGeneric>& aFamilyList);
|
|
|
|
nsTArray<RefPtr<gfxFontFamily>>* GetPrefFontsLangGroup(
|
|
mozilla::FontFamilyType aGenericType, eFontPrefLang aPrefLang);
|
|
|
|
// in some situations, need to make decisions about ambiguous characters, may
|
|
// need to look at multiple pref langs
|
|
void GetLangPrefs(eFontPrefLang aPrefLangs[], uint32_t& aLen,
|
|
eFontPrefLang aCharLang, eFontPrefLang aPageLang);
|
|
|
|
// convert a lang group to enum constant (i.e. "zh-TW" ==>
|
|
// eFontPrefLang_ChineseTW)
|
|
static eFontPrefLang GetFontPrefLangFor(const char* aLang);
|
|
|
|
// convert a lang group atom to enum constant
|
|
static eFontPrefLang GetFontPrefLangFor(nsAtom* aLang);
|
|
|
|
// convert an enum constant to a lang group atom
|
|
static nsAtom* GetLangGroupForPrefLang(eFontPrefLang aLang);
|
|
|
|
// convert a enum constant to lang group string (i.e. eFontPrefLang_ChineseTW
|
|
// ==> "zh-TW")
|
|
static const char* GetPrefLangName(eFontPrefLang aLang);
|
|
|
|
// map a Unicode range (based on char code) to a font language for Preferences
|
|
static eFontPrefLang GetFontPrefLangFor(uint8_t aUnicodeRange);
|
|
|
|
// returns true if a pref lang is CJK
|
|
static bool IsLangCJK(eFontPrefLang aLang);
|
|
|
|
// helper method to add a pref lang to an array, if not already in array
|
|
static void AppendPrefLang(eFontPrefLang aPrefLangs[], uint32_t& aLen,
|
|
eFontPrefLang aAddLang);
|
|
|
|
// default serif/sans-serif choice based on font.default.xxx prefs
|
|
mozilla::FontFamilyType GetDefaultGeneric(eFontPrefLang aLang);
|
|
|
|
// Returns true if the font family whitelist is not empty.
|
|
bool IsFontFamilyWhitelistActive();
|
|
|
|
static void FontWhitelistPrefChanged(const char* aPref, void* aClosure);
|
|
|
|
bool AddWithLegacyFamilyName(const nsACString& aLegacyName,
|
|
gfxFontEntry* aFontEntry);
|
|
|
|
static const char* GetGenericName(mozilla::FontFamilyType aGenericType);
|
|
|
|
protected:
|
|
class InitOtherFamilyNamesRunnable : public mozilla::CancelableRunnable {
|
|
public:
|
|
InitOtherFamilyNamesRunnable()
|
|
: CancelableRunnable(
|
|
"gfxPlatformFontList::InitOtherFamilyNamesRunnable"),
|
|
mIsCanceled(false) {}
|
|
|
|
NS_IMETHOD Run() override {
|
|
if (mIsCanceled) {
|
|
return NS_OK;
|
|
}
|
|
|
|
gfxPlatformFontList* fontList = gfxPlatformFontList::PlatformFontList();
|
|
if (!fontList) {
|
|
return NS_OK;
|
|
}
|
|
|
|
fontList->InitOtherFamilyNamesInternal(true);
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
virtual nsresult Cancel() override {
|
|
mIsCanceled = true;
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
private:
|
|
bool mIsCanceled;
|
|
};
|
|
|
|
class MemoryReporter final : public nsIMemoryReporter {
|
|
~MemoryReporter() {}
|
|
|
|
public:
|
|
NS_DECL_ISUPPORTS
|
|
NS_DECL_NSIMEMORYREPORTER
|
|
};
|
|
|
|
template <bool ForNameList>
|
|
class PrefNameMaker final : public nsAutoCString {
|
|
void Init(const nsACString& aGeneric, const nsACString& aLangGroup) {
|
|
if (ForNameList) {
|
|
AssignLiteral("font.name-list.");
|
|
} else {
|
|
AssignLiteral("font.name.");
|
|
}
|
|
Append(aGeneric);
|
|
if (!aLangGroup.IsEmpty()) {
|
|
Append('.');
|
|
Append(aLangGroup);
|
|
}
|
|
}
|
|
|
|
public:
|
|
PrefNameMaker(const nsACString& aGeneric, const nsACString& aLangGroup) {
|
|
Init(aGeneric, aLangGroup);
|
|
}
|
|
|
|
PrefNameMaker(const char* aGeneric, const char* aLangGroup) {
|
|
Init(nsDependentCString(aGeneric), nsDependentCString(aLangGroup));
|
|
}
|
|
|
|
PrefNameMaker(const char* aGeneric, nsAtom* aLangGroup) {
|
|
if (aLangGroup) {
|
|
Init(nsDependentCString(aGeneric), nsAtomCString(aLangGroup));
|
|
} else {
|
|
Init(nsDependentCString(aGeneric), nsAutoCString());
|
|
}
|
|
}
|
|
};
|
|
|
|
typedef PrefNameMaker<false> NamePref;
|
|
typedef PrefNameMaker<true> NameListPref;
|
|
|
|
explicit gfxPlatformFontList(bool aNeedFullnamePostscriptNames = true);
|
|
|
|
static gfxPlatformFontList* sPlatformFontList;
|
|
|
|
// Convenience method to return the first matching family (if any) as found
|
|
// by FindAndAddFamilies().
|
|
gfxFontFamily* FindFamily(const nsACString& aFamily,
|
|
FindFamiliesFlags aFlags = FindFamiliesFlags(0),
|
|
gfxFontStyle* aStyle = nullptr,
|
|
gfxFloat aDevToCssSize = 1.0) {
|
|
AutoTArray<FamilyAndGeneric, 1> families;
|
|
return FindAndAddFamilies(aFamily, &families, aFlags, aStyle, aDevToCssSize)
|
|
? families[0].mFamily
|
|
: nullptr;
|
|
}
|
|
|
|
// Lookup family name in global family list without substitutions or
|
|
// localized family name lookup. Used for common font fallback families.
|
|
gfxFontFamily* FindFamilyByCanonicalName(const nsACString& aFamily) {
|
|
nsAutoCString key;
|
|
gfxFontFamily* familyEntry;
|
|
GenerateFontListKey(aFamily, key);
|
|
if ((familyEntry = mFontFamilies.GetWeak(key))) {
|
|
return CheckFamily(familyEntry);
|
|
}
|
|
return nullptr;
|
|
}
|
|
|
|
// returns default font for a given character, null otherwise
|
|
gfxFontEntry* CommonFontFallback(uint32_t aCh, uint32_t aNextCh,
|
|
Script aRunScript,
|
|
const gfxFontStyle* aMatchStyle,
|
|
gfxFontFamily** aMatchedFamily);
|
|
|
|
// Search fonts system-wide for a given character, null if not found.
|
|
gfxFontEntry* GlobalFontFallback(const uint32_t aCh, Script aRunScript,
|
|
const gfxFontStyle* aMatchStyle,
|
|
uint32_t& aCmapCount,
|
|
gfxFontFamily** aMatchedFamily);
|
|
|
|
// Platform-specific implementation of global font fallback, if any;
|
|
// this may return nullptr in which case the default cmap-based fallback
|
|
// will be performed.
|
|
virtual gfxFontEntry* PlatformGlobalFontFallback(
|
|
const uint32_t aCh, Script aRunScript, const gfxFontStyle* aMatchStyle,
|
|
gfxFontFamily** aMatchedFamily) {
|
|
return nullptr;
|
|
}
|
|
|
|
// whether system-based font fallback is used or not
|
|
// if system fallback is used, no need to load all cmaps
|
|
virtual bool UsesSystemFallback() { return false; }
|
|
|
|
void AppendCJKPrefLangs(eFontPrefLang aPrefLangs[], uint32_t& aLen,
|
|
eFontPrefLang aCharLang, eFontPrefLang aPageLang);
|
|
|
|
// verifies that a family contains a non-zero font count
|
|
gfxFontFamily* CheckFamily(gfxFontFamily* aFamily);
|
|
|
|
// initialize localized family names
|
|
void InitOtherFamilyNames(bool aDeferOtherFamilyNamesLoading);
|
|
void InitOtherFamilyNamesInternal(bool aDeferOtherFamilyNamesLoading);
|
|
void CancelInitOtherFamilyNamesTask();
|
|
|
|
// search through font families, looking for a given name, initializing
|
|
// facename lists along the way. first checks all families with names
|
|
// close to face name, then searchs all families if not found.
|
|
gfxFontEntry* SearchFamiliesForFaceName(const nsACString& aFaceName);
|
|
|
|
// helper method for finding fullname/postscript names in facename lists
|
|
gfxFontEntry* FindFaceName(const nsACString& aFaceName);
|
|
|
|
// look up a font by name, for cases where platform font list
|
|
// maintains explicit mappings of fullname/psname ==> font
|
|
virtual gfxFontEntry* LookupInFaceNameLists(const nsACString& aFontName);
|
|
|
|
// commonly used fonts for which the name table should be loaded at startup
|
|
virtual void PreloadNamesList();
|
|
|
|
// load the bad underline blacklist from pref.
|
|
void LoadBadUnderlineList();
|
|
|
|
void GenerateFontListKey(const nsACString& aKeyName, nsACString& aResult);
|
|
|
|
virtual void GetFontFamilyNames(nsTArray<nsCString>& aFontFamilyNames);
|
|
|
|
// helper function to map lang to lang group
|
|
nsAtom* GetLangGroup(nsAtom* aLanguage);
|
|
|
|
// gfxFontInfoLoader overrides, used to load in font cmaps
|
|
virtual void InitLoader() override;
|
|
virtual bool LoadFontInfo() override;
|
|
virtual void CleanupLoader() override;
|
|
|
|
// read the loader initialization prefs, and start it
|
|
void GetPrefsAndStartLoader();
|
|
|
|
// for font list changes that affect all documents
|
|
void ForceGlobalReflow() { gfxPlatform::ForceGlobalReflow(); }
|
|
|
|
void RebuildLocalFonts();
|
|
|
|
void ResolveGenericFontNames(
|
|
mozilla::FontFamilyType aGenericType, eFontPrefLang aPrefLang,
|
|
nsTArray<RefPtr<gfxFontFamily>>* aGenericFamilies);
|
|
|
|
void ResolveEmojiFontNames(nsTArray<RefPtr<gfxFontFamily>>* aGenericFamilies);
|
|
|
|
void GetFontFamiliesFromGenericFamilies(
|
|
nsTArray<nsCString>& aGenericFamilies, nsAtom* aLangGroup,
|
|
nsTArray<RefPtr<gfxFontFamily>>* aFontFamilies);
|
|
|
|
virtual nsresult InitFontListForPlatform() = 0;
|
|
|
|
void ApplyWhitelist();
|
|
|
|
// Create a new gfxFontFamily of the appropriate subclass for the platform,
|
|
// used when AddWithLegacyFamilyName needs to create a new family.
|
|
virtual gfxFontFamily* CreateFontFamily(const nsACString& aName) const = 0;
|
|
|
|
typedef nsRefPtrHashtable<nsCStringHashKey, gfxFontFamily> FontFamilyTable;
|
|
typedef nsRefPtrHashtable<nsCStringHashKey, gfxFontEntry> FontEntryTable;
|
|
|
|
// used by memory reporter to accumulate sizes of family names in the table
|
|
static size_t SizeOfFontFamilyTableExcludingThis(
|
|
const FontFamilyTable& aTable, mozilla::MallocSizeOf aMallocSizeOf);
|
|
static size_t SizeOfFontEntryTableExcludingThis(
|
|
const FontEntryTable& aTable, mozilla::MallocSizeOf aMallocSizeOf);
|
|
|
|
// Platform-specific helper for GetDefaultFont(...).
|
|
virtual gfxFontFamily* GetDefaultFontForPlatform(
|
|
const gfxFontStyle* aStyle) = 0;
|
|
|
|
// Protects mFontFamilies.
|
|
mozilla::Mutex mFontFamiliesMutex;
|
|
|
|
// canonical family name ==> family entry (unique, one name per family entry)
|
|
FontFamilyTable mFontFamilies;
|
|
|
|
// other family name ==> family entry (not unique, can have multiple names per
|
|
// family entry, only names *other* than the canonical names are stored here)
|
|
FontFamilyTable mOtherFamilyNames;
|
|
|
|
// flag set after InitOtherFamilyNames is called upon first name lookup miss
|
|
bool mOtherFamilyNamesInitialized;
|
|
|
|
// The pending InitOtherFamilyNames() task.
|
|
RefPtr<mozilla::CancelableRunnable> mPendingOtherFamilyNameTask;
|
|
|
|
// flag set after fullname and Postcript name lists are populated
|
|
bool mFaceNameListsInitialized;
|
|
|
|
struct ExtraNames {
|
|
ExtraNames() : mFullnames(64), mPostscriptNames(64) {}
|
|
|
|
// fullname ==> font entry (unique, one name per font entry)
|
|
FontEntryTable mFullnames;
|
|
// Postscript name ==> font entry (unique, one name per font entry)
|
|
FontEntryTable mPostscriptNames;
|
|
};
|
|
mozilla::UniquePtr<ExtraNames> mExtraNames;
|
|
|
|
// face names missed when face name loading takes a long time
|
|
mozilla::UniquePtr<nsTHashtable<nsCStringHashKey>> mFaceNamesMissed;
|
|
|
|
// localized family names missed when face name loading takes a long time
|
|
mozilla::UniquePtr<nsTHashtable<nsCStringHashKey>> mOtherNamesMissed;
|
|
|
|
typedef nsTArray<RefPtr<gfxFontFamily>> PrefFontList;
|
|
typedef mozilla::RangedArray<mozilla::UniquePtr<PrefFontList>,
|
|
mozilla::eFamily_generic_first,
|
|
mozilla::eFamily_generic_count>
|
|
PrefFontsForLangGroup;
|
|
mozilla::RangedArray<PrefFontsForLangGroup, eFontPrefLang_First,
|
|
eFontPrefLang_Count>
|
|
mLangGroupPrefFonts;
|
|
mozilla::UniquePtr<PrefFontList> mEmojiPrefFont;
|
|
|
|
// when system-wide font lookup fails for a character, cache it to skip future
|
|
// searches
|
|
gfxSparseBitSet mCodepointsWithNoFonts;
|
|
|
|
// the family to use for U+FFFD fallback, to avoid expensive search every time
|
|
// on pages with lots of problems
|
|
RefPtr<gfxFontFamily> mReplacementCharFallbackFamily;
|
|
|
|
// Sorted array of lowercased family names; use ContainsSorted to test
|
|
nsTArray<nsCString> mBadUnderlineFamilyNames;
|
|
|
|
// character map data shared across families
|
|
// contains weak ptrs to cmaps shared by font entry objects
|
|
nsTHashtable<CharMapHashKey> mSharedCmaps;
|
|
|
|
// data used as part of the font cmap loading process
|
|
nsTArray<RefPtr<gfxFontFamily>> mFontFamiliesToLoad;
|
|
uint32_t mStartIndex;
|
|
uint32_t mNumFamilies;
|
|
|
|
// xxx - info for diagnosing no default font aborts
|
|
// see bugs 636957, 1070983, 1189129
|
|
uint32_t mFontlistInitCount; // num times InitFontList called
|
|
|
|
nsTHashtable<nsPtrHashKey<gfxUserFontSet>> mUserFontSetList;
|
|
|
|
nsLanguageAtomService* mLangService;
|
|
|
|
nsTArray<uint32_t> mCJKPrefLangs;
|
|
nsTArray<mozilla::FontFamilyType> mDefaultGenericsLangGroup;
|
|
|
|
bool mFontFamilyWhitelistActive;
|
|
};
|
|
|
|
MOZ_MAKE_ENUM_CLASS_BITWISE_OPERATORS(gfxPlatformFontList::FindFamiliesFlags)
|
|
|
|
#endif /* GFXPLATFORMFONTLIST_H_ */
|