michael@0: /* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 4 -*-
michael@0:  * This Source Code Form is subject to the terms of the Mozilla Public
michael@0:  * License, v. 2.0. If a copy of the MPL was not distributed with this
michael@0:  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0: 
michael@0: #ifndef gfxMacPlatformFontList_H_
michael@0: #define gfxMacPlatformFontList_H_
michael@0: 
michael@0: #include <CoreFoundation/CoreFoundation.h>
michael@0: 
michael@0: #include "mozilla/MemoryReporting.h"
michael@0: #include "nsDataHashtable.h"
michael@0: #include "nsRefPtrHashtable.h"
michael@0: 
michael@0: #include "gfxPlatformFontList.h"
michael@0: #include "gfxPlatform.h"
michael@0: #include "gfxPlatformMac.h"
michael@0: 
michael@0: #include "nsUnicharUtils.h"
michael@0: #include "nsTArray.h"
michael@0: 
michael@0: class gfxMacPlatformFontList;
michael@0: 
michael@0: // a single member of a font family (i.e. a single face, such as Times Italic)
michael@0: class MacOSFontEntry : public gfxFontEntry
michael@0: {
michael@0: public:
michael@0:     friend class gfxMacPlatformFontList;
michael@0: 
michael@0:     MacOSFontEntry(const nsAString& aPostscriptName, int32_t aWeight,
michael@0:                    bool aIsStandardFace = false);
michael@0: 
michael@0:     // for use with data fonts
michael@0:     MacOSFontEntry(const nsAString& aPostscriptName, CGFontRef aFontRef,
michael@0:                    uint16_t aWeight, uint16_t aStretch, uint32_t aItalicStyle,
michael@0:                    bool aIsUserFont, bool aIsLocal);
michael@0: 
michael@0:     virtual ~MacOSFontEntry() {
michael@0:         ::CGFontRelease(mFontRef);
michael@0:     }
michael@0: 
michael@0:     virtual CGFontRef GetFontRef();
michael@0: 
michael@0:     // override gfxFontEntry table access function to bypass table cache,
michael@0:     // use CGFontRef API to get direct access to system font data
michael@0:     virtual hb_blob_t *GetFontTable(uint32_t aTag) MOZ_OVERRIDE;
michael@0: 
michael@0:     virtual void AddSizeOfIncludingThis(mozilla::MallocSizeOf aMallocSizeOf,
michael@0:                                         FontListSizes* aSizes) const;
michael@0: 
michael@0:     nsresult ReadCMAP(FontInfoData *aFontInfoData = nullptr);
michael@0: 
michael@0:     bool RequiresAATLayout() const { return mRequiresAAT; }
michael@0: 
michael@0:     bool IsCFF();
michael@0: 
michael@0: protected:
michael@0:     virtual gfxFont* CreateFontInstance(const gfxFontStyle *aFontStyle, bool aNeedsBold);
michael@0: 
michael@0:     virtual bool HasFontTable(uint32_t aTableTag);
michael@0: 
michael@0:     static void DestroyBlobFunc(void* aUserData);
michael@0: 
michael@0:     CGFontRef mFontRef; // owning reference to the CGFont, released on destruction
michael@0: 
michael@0:     bool mFontRefInitialized;
michael@0:     bool mRequiresAAT;
michael@0:     bool mIsCFF;
michael@0:     bool mIsCFFInitialized;
michael@0: };
michael@0: 
michael@0: class gfxMacPlatformFontList : public gfxPlatformFontList {
michael@0: public:
michael@0:     static gfxMacPlatformFontList* PlatformFontList() {
michael@0:         return static_cast<gfxMacPlatformFontList*>(sPlatformFontList);
michael@0:     }
michael@0: 
michael@0:     static int32_t AppleWeightToCSSWeight(int32_t aAppleWeight);
michael@0: 
michael@0:     virtual gfxFontFamily* GetDefaultFont(const gfxFontStyle* aStyle);
michael@0: 
michael@0:     virtual bool GetStandardFamilyName(const nsAString& aFontName, nsAString& aFamilyName);
michael@0: 
michael@0:     virtual gfxFontEntry* LookupLocalFont(const gfxProxyFontEntry *aProxyEntry,
michael@0:                                           const nsAString& aFontName);
michael@0:     
michael@0:     virtual gfxFontEntry* MakePlatformFont(const gfxProxyFontEntry *aProxyEntry,
michael@0:                                            const uint8_t *aFontData, uint32_t aLength);
michael@0: 
michael@0:     void ClearPrefFonts() { mPrefFonts.Clear(); }
michael@0: 
michael@0: private:
michael@0:     friend class gfxPlatformMac;
michael@0: 
michael@0:     gfxMacPlatformFontList();
michael@0:     virtual ~gfxMacPlatformFontList();
michael@0: 
michael@0:     // initialize font lists
michael@0:     virtual nsresult InitFontList();
michael@0: 
michael@0:     // special case font faces treated as font families (set via prefs)
michael@0:     void InitSingleFaceList();
michael@0: 
michael@0:     static void RegisteredFontsChangedNotificationCallback(CFNotificationCenterRef center,
michael@0:                                                            void *observer,
michael@0:                                                            CFStringRef name,
michael@0:                                                            const void *object,
michael@0:                                                            CFDictionaryRef userInfo);
michael@0: 
michael@0:     // search fonts system-wide for a given character, null otherwise
michael@0:     virtual gfxFontEntry* GlobalFontFallback(const uint32_t aCh,
michael@0:                                              int32_t aRunScript,
michael@0:                                              const gfxFontStyle* aMatchStyle,
michael@0:                                              uint32_t& aCmapCount,
michael@0:                                              gfxFontFamily** aMatchedFamily);
michael@0: 
michael@0:     virtual bool UsesSystemFallback() { return true; }
michael@0: 
michael@0:     virtual already_AddRefed<FontInfoData> CreateFontInfoData();
michael@0: 
michael@0:     enum {
michael@0:         kATSGenerationInitial = -1
michael@0:     };
michael@0: 
michael@0:     // default font for use with system-wide font fallback
michael@0:     CTFontRef mDefaultFont;
michael@0: };
michael@0: 
michael@0: #endif /* gfxMacPlatformFontList_H_ */