Add m-esr52 at 52.6.0

1 files changed, 182 insertions, 0 deletions

diff --git a/gfx/thebes/gfxMacPlatformFontList.h b/gfx/thebes/gfxMacPlatformFontList.h
new file mode 100644
index 000000000..0ab062dca
--- /dev/null
+++ b/gfx/thebes/gfxMacPlatformFontList.h
@@ -0,0 +1,182 @@
+/* -*- 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_ */