Enable interpolation of CSS property font-variation-settings

third_party/WebKit/Source/core/animation/css/CSSAnimatableValueFactory.cpp

 /*
  * Copyright (C) 2013 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 21 matching lines @@
 
 #include "core/CSSValueKeywords.h"
 #include "core/animation/FontWeightConversion.h"
 #include "core/animation/LengthPropertyFunctions.h"
 #include "core/animation/PropertyHandle.h"
 #include "core/animation/animatable/AnimatableClipPathOperation.h"
 #include "core/animation/animatable/AnimatableColor.h"
 #include "core/animation/animatable/AnimatableDouble.h"
 #include "core/animation/animatable/AnimatableDoubleAndBool.h"
 #include "core/animation/animatable/AnimatableFilterOperations.h"
+#include "core/animation/animatable/AnimatableFontVariationSettings.h"
 #include "core/animation/animatable/AnimatableImage.h"
 #include "core/animation/animatable/AnimatableLength.h"
 #include "core/animation/animatable/AnimatableLengthBox.h"
 #include "core/animation/animatable/AnimatableLengthBoxAndBool.h"
 #include "core/animation/animatable/AnimatableLengthPoint.h"
 #include "core/animation/animatable/AnimatableLengthPoint3D.h"
 #include "core/animation/animatable/AnimatableLengthSize.h"
 #include "core/animation/animatable/AnimatablePath.h"
 #include "core/animation/animatable/AnimatableRepeatable.h"
 #include "core/animation/animatable/AnimatableSVGPaint.h"
@@ skipping 241 matching lines @@
 
 static double FontStretchToDouble(FontStretch font_stretch) {
   return static_cast<unsigned>(font_stretch);
 }
 
 static PassRefPtr<AnimatableValue> CreateFromFontStretch(
     FontStretch font_stretch) {
   return CreateFromDouble(FontStretchToDouble(font_stretch));
 }
 
+static PassRefPtr<AnimatableValue> CreateFromFontVariationSettings(
+    FontVariationSettings* settings) {
+  return AnimatableFontVariationSettings::Create(settings);
+}
+
 static PassRefPtr<AnimatableValue> CreateFromTransformProperties(
     PassRefPtr<TransformOperation> transform,
     double zoom,
     PassRefPtr<TransformOperation> initial_transform) {
   TransformOperations operation;
   bool has_transform = static_cast<bool>(transform);
   if (has_transform || initial_transform) {
     operation.Operations().push_back(
         std::move(has_transform ? transform : initial_transform));
   }
@@ skipping 126 matching lines @@
       // FIXME: Should we introduce an option to pass the computed font size
       // here, allowing consumers to enable text zoom rather than Text
       // Autosizing? See http://crbug.com/227545.
       return CreateFromDouble(style.SpecifiedFontSize());
     case CSSPropertyFontSizeAdjust:
       return style.HasFontSizeAdjust()
                  ? CreateFromDouble(style.FontSizeAdjust())
                  : AnimatableUnknown::Create(CSSValueNone);
     case CSSPropertyFontStretch:
       return CreateFromFontStretch(style.GetFontStretch());
+    case CSSPropertyFontVariationSettings:
+      return CreateFromFontVariationSettings(
+          style.GetFontDescription().VariationSettings());
     case CSSPropertyFontWeight:
       return CreateFromFontWeight(style.GetFontWeight());
     case CSSPropertyHeight:
       return CreateFromLength(style.Height(), style);
     case CSSPropertyLightingColor:
       return CreateFromColor(property_id, style);
     case CSSPropertyListStyleImage:
       return CreateFromStyleImage(style.ListStyleImage());
     case CSSPropertyLeft:
       return CreateFromLength(style.Left(), style);
@@ skipping 205 matching lines @@
       if (style.HasAutoZIndex())
         return AnimatableUnknown::Create(CSSValueAuto);
       return CreateFromDouble(style.ZIndex());
     default:
       NOTREACHED();
       return nullptr;
   }
 }
 
 }  // namespace blink