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+/* -*- 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 GFX_PLATFORM_MAC_H
+#define GFX_PLATFORM_MAC_H
+
+#include "nsTArrayForwardDeclare.h"
+#include "gfxPlatform.h"
+#include "mozilla/LookAndFeel.h"
+
+namespace mozilla {
+namespace gfx {
+class DrawTarget;
+class VsyncSource;
+} // namespace gfx
+} // namespace mozilla
+
+class gfxPlatformMac : public gfxPlatform {
+ public:
+ gfxPlatformMac();
+ virtual ~gfxPlatformMac();
+
+ // Call early in startup to register the macOS supplemental language fonts
+ // so that they're usable by the browser. This is intended to be called as
+ // early as possible, before most services etc are initialized; it starts
+ // a separate thread to register the fonts, because this is quite slow.
+ static void RegisterSupplementalFonts();
+
+ // Call from the main thread at the point where we need to start using the
+ // font list; this will wait (if necessary) for the registration thread to
+ // finish.
+ static void WaitForFontRegistration();
+
+ static gfxPlatformMac* GetPlatform() {
+ return (gfxPlatformMac*)gfxPlatform::GetPlatform();
+ }
+
+ already_AddRefed<gfxASurface> CreateOffscreenSurface(
+ const IntSize& aSize, gfxImageFormat aFormat) override;
+
+ bool CreatePlatformFontList() override;
+
+ void ReadSystemFontList(mozilla::dom::SystemFontList* aFontList) override;
+
+ void GetCommonFallbackFonts(uint32_t aCh, Script aRunScript,
+ eFontPresentation aPresentation,
+ nsTArray<const char*>& aFontList) override;
+
+ // lookup the system font for a particular system font type and set
+ // the name and style characteristics
+ static void LookupSystemFont(mozilla::LookAndFeel::FontID aSystemFontID,
+ nsACString& aSystemFontName,
+ gfxFontStyle& aFontStyle);
+
+ bool SupportsApzWheelInput() const override { return true; }
+
+ bool RespectsFontStyleSmoothing() const override {
+ // gfxMacFont respects the font smoothing hint.
+ return true;
+ }
+
+ bool RequiresAcceleratedGLContextForCompositorOGL() const override {
+ // On OS X in a VM, unaccelerated CompositorOGL shows black flashes, so we
+ // require accelerated GL for CompositorOGL but allow unaccelerated GL for
+ // BasicCompositor.
+ return true;
+ }
+
+ already_AddRefed<mozilla::gfx::VsyncSource> CreateGlobalHardwareVsyncSource()
+ override;
+
+ // lower threshold on font anti-aliasing
+ uint32_t GetAntiAliasingThreshold() { return mFontAntiAliasingThreshold; }
+
+ static bool CheckVariationFontSupport();
+
+ bool SupportsHDR() override;
+
+ protected:
+ bool AccelerateLayersByDefault() override;
+
+ BackendPrefsData GetBackendPrefs() const override;
+
+ void InitPlatformGPUProcessPrefs() override;
+
+ private:
+ nsTArray<uint8_t> GetPlatformCMSOutputProfileData() override;
+
+ // read in the pref value for the lower threshold on font anti-aliasing
+ static uint32_t ReadAntiAliasingThreshold();
+
+ static void FontRegistrationCallback(void* aUnused);
+
+ uint32_t mFontAntiAliasingThreshold;
+
+ static PRThread* sFontRegistrationThread;
+};
+
+#endif /* GFX_PLATFORM_MAC_H */