gfxAndroidPlatform.h

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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_ANDROID_H

#define GFX_PLATFORM_ANDROID_H

#include "gfxPlatform.h"

#include "gfxUserFontSet.h"

#include "nsCOMPtr.h"

#include "nsTArray.h"

class gfxAndroidPlatform final : public gfxPlatform {

 public:

  gfxAndroidPlatform();

  virtual ~gfxAndroidPlatform();

  static gfxAndroidPlatform* GetPlatform() {

    return (gfxAndroidPlatform*)gfxPlatform::GetPlatform();

  already_AddRefed<gfxASurface> CreateOffscreenSurface(

      const IntSize& aSize, gfxImageFormat aFormat) override;

  gfxImageFormat GetOffscreenFormat() override { return mOffscreenFormat; }

  // platform implementations of font functions

  bool CreatePlatformFontList() override;

  void ReadSystemFontList(mozilla::dom::SystemFontList*) override;

  void GetCommonFallbackFonts(uint32_t aCh, Script aRunScript,

                              eFontPresentation aPresentation,

                              nsTArray<const char*>& aFontList) override;

  bool FontHintingEnabled() override;

  bool RequiresLinearZoom() override;

  already_AddRefed<mozilla::gfx::VsyncSource> CreateGlobalHardwareVsyncSource()

      override;

  static bool CheckVariationFontSupport();

 protected:

  void InitAcceleration() override;

  bool AccelerateLayersByDefault() override { return true; }

 private:

  gfxImageFormat mOffscreenFormat;

};

#endif /* GFX_PLATFORM_ANDROID_H */