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/* -*- 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/. */
#ifndef gfxMacPlatformFontList_H_
#define gfxMacPlatformFontList_H_
#include <CoreFoundation/CoreFoundation.h>
#include "mozilla/MemoryReporting.h"
#include "nsDataHashtable.h"
#include "nsRefPtrHashtable.h"
#include "gfxPlatformFontList.h"
#include "gfxPlatform.h"
#include "gfxPlatformMac.h"
#include "nsUnicharUtils.h"
#include "nsTArray.h"
#include "mozilla/LookAndFeel.h"
class gfxMacPlatformFontList;
// a single member of a font family (i.e. a single face, such as Times Italic)
class MacOSFontEntry : public gfxFontEntry
{
public:
friend class gfxMacPlatformFontList;
MacOSFontEntry(const nsAString& aPostscriptName, int32_t aWeight,
bool aIsStandardFace = false,
double aSizeHint = 0.0);
// for use with data fonts
MacOSFontEntry(const nsAString& aPostscriptName, CGFontRef aFontRef,
uint16_t aWeight, uint16_t aStretch, uint8_t aStyle,
bool aIsDataUserFont, bool aIsLocal);
virtual ~MacOSFontEntry() {
::CGFontRelease(mFontRef);
}
virtual CGFontRef GetFontRef();
// override gfxFontEntry table access function to bypass table cache,
// use CGFontRef API to get direct access to system font data
virtual hb_blob_t *GetFontTable(uint32_t aTag) override;
virtual void AddSizeOfIncludingThis(mozilla::MallocSizeOf aMallocSizeOf,
FontListSizes* aSizes) const override;
nsresult ReadCMAP(FontInfoData *aFontInfoData = nullptr) override;
bool RequiresAATLayout() const { return mRequiresAAT; }
bool IsCFF();
protected:
virtual gfxFont* CreateFontInstance(const gfxFontStyle *aFontStyle, bool aNeedsBold) override;
virtual bool HasFontTable(uint32_t aTableTag) override;
static void DestroyBlobFunc(void* aUserData);
CGFontRef mFontRef; // owning reference to the CGFont, released on destruction
double mSizeHint;
bool mFontRefInitialized;
bool mRequiresAAT;
bool mIsCFF;
bool mIsCFFInitialized;
nsTHashtable<nsUint32HashKey> mAvailableTables;
};
class gfxMacPlatformFontList : public gfxPlatformFontList {
public:
static gfxMacPlatformFontList* PlatformFontList() {
return static_cast<gfxMacPlatformFontList*>(sPlatformFontList);
}
static int32_t AppleWeightToCSSWeight(int32_t aAppleWeight);
bool GetStandardFamilyName(const nsAString& aFontName, nsAString& aFamilyName) override;
gfxFontEntry* LookupLocalFont(const nsAString& aFontName,
uint16_t aWeight,
int16_t aStretch,
uint8_t aStyle) override;
gfxFontEntry* MakePlatformFont(const nsAString& aFontName,
uint16_t aWeight,
int16_t aStretch,
uint8_t aStyle,
const uint8_t* aFontData,
uint32_t aLength) override;
bool FindAndAddFamilies(const nsAString& aFamily,
nsTArray<gfxFontFamily*>* aOutput,
gfxFontStyle* aStyle = nullptr,
gfxFloat aDevToCssSize = 1.0) override;
// lookup the system font for a particular system font type and set
// the name and style characteristics
void LookupSystemFont(mozilla::LookAndFeel::FontID aSystemFontID,
nsAString& aSystemFontName,
gfxFontStyle &aFontStyle,
float aDevPixPerCSSPixel);
protected:
virtual gfxFontFamily*
GetDefaultFontForPlatform(const gfxFontStyle* aStyle) override;
private:
friend class gfxPlatformMac;
gfxMacPlatformFontList();
virtual ~gfxMacPlatformFontList();
// initialize font lists
virtual nsresult InitFontListForPlatform() override;
// special case font faces treated as font families (set via prefs)
void InitSingleFaceList();
// initialize system fonts
void InitSystemFontNames();
// helper function to lookup in both hidden system fonts and normal fonts
gfxFontFamily* FindSystemFontFamily(const nsAString& aFamily);
static void RegisteredFontsChangedNotificationCallback(CFNotificationCenterRef center,
void *observer,
CFStringRef name,
const void *object,
CFDictionaryRef userInfo);
// attempt to use platform-specific fallback for the given character
// return null if no usable result found
gfxFontEntry*
PlatformGlobalFontFallback(const uint32_t aCh,
Script aRunScript,
const gfxFontStyle* aMatchStyle,
gfxFontFamily** aMatchedFamily) override;
bool UsesSystemFallback() override { return true; }
already_AddRefed<FontInfoData> CreateFontInfoData() override;
// Add the specified family to mSystemFontFamilies or mFontFamilies.
// Ideally we'd use NSString* instead of CFStringRef here, but this header
// file is included in .cpp files, so we can't use objective C classes here.
// But CFStringRef and NSString* are the same thing anyway (they're
// toll-free bridged).
void AddFamily(CFStringRef aFamily);
#ifdef MOZ_BUNDLED_FONTS
void ActivateBundledFonts();
#endif
enum {
kATSGenerationInitial = -1
};
// default font for use with system-wide font fallback
CTFontRef mDefaultFont;
// hidden system fonts used within UI elements, there may be a whole set
// for different locales (e.g. .Helvetica Neue UI, .SF NS Text)
FontFamilyTable mSystemFontFamilies;
// font families that -apple-system maps to
// Pre-10.11 this was always a single font family, such as Lucida Grande
// or Helvetica Neue. For OSX 10.11, Apple uses pair of families
// for the UI, one for text sizes and another for display sizes
bool mUseSizeSensitiveSystemFont;
nsString mSystemTextFontFamilyName;
nsString mSystemDisplayFontFamilyName; // only used on OSX 10.11
};
#endif /* gfxMacPlatformFontList_H_ */
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