gfx/thebes/gfxMacPlatformFontList.h@97036ab72558 (annotated)
gfx/thebes/gfxMacPlatformFontList.h
Tue, 06 Jan 2015 21:39:09 +0100
- author
- Michael Schloh von Bennewitz <michael@schloh.com>
- date
- Tue, 06 Jan 2015 21:39:09 +0100
- branch
- TOR_BUG_9701
- changeset 8
- 97036ab72558
- permissions
- -rw-r--r--
Conditionally force memory storage according to privacy.thirdparty.isolate;
This solves Tor bug #9701, complying with disk avoidance documented in
https://www.torproject.org/projects/torbrowser/design/#disk-avoidance.
| michael@0 | 1 | /* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 4 -*- |
| michael@0 | 2 | * This Source Code Form is subject to the terms of the Mozilla Public |
| michael@0 | 3 | * License, v. 2.0. If a copy of the MPL was not distributed with this |
| michael@0 | 4 | * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ |
| michael@0 | 5 | |
| michael@0 | 6 | #ifndef gfxMacPlatformFontList_H_ |
| michael@0 | 7 | #define gfxMacPlatformFontList_H_ |
| michael@0 | 8 | |
| michael@0 | 9 | #include <CoreFoundation/CoreFoundation.h> |
| michael@0 | 10 | |
| michael@0 | 11 | #include "mozilla/MemoryReporting.h" |
| michael@0 | 12 | #include "nsDataHashtable.h" |
| michael@0 | 13 | #include "nsRefPtrHashtable.h" |
| michael@0 | 14 | |
| michael@0 | 15 | #include "gfxPlatformFontList.h" |
| michael@0 | 16 | #include "gfxPlatform.h" |
| michael@0 | 17 | #include "gfxPlatformMac.h" |
| michael@0 | 18 | |
| michael@0 | 19 | #include "nsUnicharUtils.h" |
| michael@0 | 20 | #include "nsTArray.h" |
| michael@0 | 21 | |
| michael@0 | 22 | class gfxMacPlatformFontList; |
| michael@0 | 23 | |
| michael@0 | 24 | // a single member of a font family (i.e. a single face, such as Times Italic) |
| michael@0 | 25 | class MacOSFontEntry : public gfxFontEntry |
| michael@0 | 26 | { |
| michael@0 | 27 | public: |
| michael@0 | 28 | friend class gfxMacPlatformFontList; |
| michael@0 | 29 | |
| michael@0 | 30 | MacOSFontEntry(const nsAString& aPostscriptName, int32_t aWeight, |
| michael@0 | 31 | bool aIsStandardFace = false); |
| michael@0 | 32 | |
| michael@0 | 33 | // for use with data fonts |
| michael@0 | 34 | MacOSFontEntry(const nsAString& aPostscriptName, CGFontRef aFontRef, |
| michael@0 | 35 | uint16_t aWeight, uint16_t aStretch, uint32_t aItalicStyle, |
| michael@0 | 36 | bool aIsUserFont, bool aIsLocal); |
| michael@0 | 37 | |
| michael@0 | 38 | virtual ~MacOSFontEntry() { |
| michael@0 | 39 | ::CGFontRelease(mFontRef); |
| michael@0 | 40 | } |
| michael@0 | 41 | |
| michael@0 | 42 | virtual CGFontRef GetFontRef(); |
| michael@0 | 43 | |
| michael@0 | 44 | // override gfxFontEntry table access function to bypass table cache, |
| michael@0 | 45 | // use CGFontRef API to get direct access to system font data |
| michael@0 | 46 | virtual hb_blob_t *GetFontTable(uint32_t aTag) MOZ_OVERRIDE; |
| michael@0 | 47 | |
| michael@0 | 48 | virtual void AddSizeOfIncludingThis(mozilla::MallocSizeOf aMallocSizeOf, |
| michael@0 | 49 | FontListSizes* aSizes) const; |
| michael@0 | 50 | |
| michael@0 | 51 | nsresult ReadCMAP(FontInfoData *aFontInfoData = nullptr); |
| michael@0 | 52 | |
| michael@0 | 53 | bool RequiresAATLayout() const { return mRequiresAAT; } |
| michael@0 | 54 | |
| michael@0 | 55 | bool IsCFF(); |
| michael@0 | 56 | |
| michael@0 | 57 | protected: |
| michael@0 | 58 | virtual gfxFont* CreateFontInstance(const gfxFontStyle *aFontStyle, bool aNeedsBold); |
| michael@0 | 59 | |
| michael@0 | 60 | virtual bool HasFontTable(uint32_t aTableTag); |
| michael@0 | 61 | |
| michael@0 | 62 | static void DestroyBlobFunc(void* aUserData); |
| michael@0 | 63 | |
| michael@0 | 64 | CGFontRef mFontRef; // owning reference to the CGFont, released on destruction |
| michael@0 | 65 | |
| michael@0 | 66 | bool mFontRefInitialized; |
| michael@0 | 67 | bool mRequiresAAT; |
| michael@0 | 68 | bool mIsCFF; |
| michael@0 | 69 | bool mIsCFFInitialized; |
| michael@0 | 70 | }; |
| michael@0 | 71 | |
| michael@0 | 72 | class gfxMacPlatformFontList : public gfxPlatformFontList { |
| michael@0 | 73 | public: |
| michael@0 | 74 | static gfxMacPlatformFontList* PlatformFontList() { |
| michael@0 | 75 | return static_cast<gfxMacPlatformFontList*>(sPlatformFontList); |
| michael@0 | 76 | } |
| michael@0 | 77 | |
| michael@0 | 78 | static int32_t AppleWeightToCSSWeight(int32_t aAppleWeight); |
| michael@0 | 79 | |
| michael@0 | 80 | virtual gfxFontFamily* GetDefaultFont(const gfxFontStyle* aStyle); |
| michael@0 | 81 | |
| michael@0 | 82 | virtual bool GetStandardFamilyName(const nsAString& aFontName, nsAString& aFamilyName); |
| michael@0 | 83 | |
| michael@0 | 84 | virtual gfxFontEntry* LookupLocalFont(const gfxProxyFontEntry *aProxyEntry, |
| michael@0 | 85 | const nsAString& aFontName); |
| michael@0 | 86 | |
| michael@0 | 87 | virtual gfxFontEntry* MakePlatformFont(const gfxProxyFontEntry *aProxyEntry, |
| michael@0 | 88 | const uint8_t *aFontData, uint32_t aLength); |
| michael@0 | 89 | |
| michael@0 | 90 | void ClearPrefFonts() { mPrefFonts.Clear(); } |
| michael@0 | 91 | |
| michael@0 | 92 | private: |
| michael@0 | 93 | friend class gfxPlatformMac; |
| michael@0 | 94 | |
| michael@0 | 95 | gfxMacPlatformFontList(); |
| michael@0 | 96 | virtual ~gfxMacPlatformFontList(); |
| michael@0 | 97 | |
| michael@0 | 98 | // initialize font lists |
| michael@0 | 99 | virtual nsresult InitFontList(); |
| michael@0 | 100 | |
| michael@0 | 101 | // special case font faces treated as font families (set via prefs) |
| michael@0 | 102 | void InitSingleFaceList(); |
| michael@0 | 103 | |
| michael@0 | 104 | static void RegisteredFontsChangedNotificationCallback(CFNotificationCenterRef center, |
| michael@0 | 105 | void *observer, |
| michael@0 | 106 | CFStringRef name, |
| michael@0 | 107 | const void *object, |
| michael@0 | 108 | CFDictionaryRef userInfo); |
| michael@0 | 109 | |
| michael@0 | 110 | // search fonts system-wide for a given character, null otherwise |
| michael@0 | 111 | virtual gfxFontEntry* GlobalFontFallback(const uint32_t aCh, |
| michael@0 | 112 | int32_t aRunScript, |
| michael@0 | 113 | const gfxFontStyle* aMatchStyle, |
| michael@0 | 114 | uint32_t& aCmapCount, |
| michael@0 | 115 | gfxFontFamily** aMatchedFamily); |
| michael@0 | 116 | |
| michael@0 | 117 | virtual bool UsesSystemFallback() { return true; } |
| michael@0 | 118 | |
| michael@0 | 119 | virtual already_AddRefed<FontInfoData> CreateFontInfoData(); |
| michael@0 | 120 | |
| michael@0 | 121 | enum { |
| michael@0 | 122 | kATSGenerationInitial = -1 |
| michael@0 | 123 | }; |
| michael@0 | 124 | |
| michael@0 | 125 | // default font for use with system-wide font fallback |
| michael@0 | 126 | CTFontRef mDefaultFont; |
| michael@0 | 127 | }; |
| michael@0 | 128 | |
| michael@0 | 129 | #endif /* gfxMacPlatformFontList_H_ */ |
