Port CSS visibility animations to CSSInterpolationTypes

third_party/WebKit/Source/core/animation/StringKeyframe.cpp

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "core/animation/StringKeyframe.h"
 
 #include "core/XLinkNames.h"
 #include "core/animation/CSSColorInterpolationType.h"
 #include "core/animation/CSSFontWeightInterpolationType.h"
 #include "core/animation/CSSImageInterpolationType.h"
 #include "core/animation/CSSImageListInterpolationType.h"
 #include "core/animation/CSSLengthInterpolationType.h"
 #include "core/animation/CSSLengthListInterpolationType.h"
 #include "core/animation/CSSNumberInterpolationType.h"
 #include "core/animation/CSSPaintInterpolationType.h"
 #include "core/animation/CSSShadowListInterpolationType.h"
 #include "core/animation/CSSValueInterpolationType.h"
+#include "core/animation/CSSVisibilityInterpolationType.h"
 #include "core/animation/CompositorAnimations.h"
 #include "core/animation/ConstantStyleInterpolation.h"
 #include "core/animation/DefaultSVGInterpolation.h"
 #include "core/animation/DeferredLegacyStyleInterpolation.h"
 #include "core/animation/DoubleStyleInterpolation.h"
 #include "core/animation/FilterStyleInterpolation.h"
 #include "core/animation/ImageSliceStyleInterpolation.h"
 #include "core/animation/InterpolationType.h"
 #include "core/animation/InvalidatableInterpolation.h"
 #include "core/animation/LegacyStyleInterpolation.h"
@@ skipping 225 matching lines @@
         case CSSPropertyBackgroundImage:
         case CSSPropertyWebkitMaskImage:
             applicableTypes->append(adoptPtr(new CSSImageListInterpolationType(cssProperty)));
             break;
         case CSSPropertyStrokeDasharray:
             applicableTypes->append(adoptPtr(new CSSLengthListInterpolationType(cssProperty)));
             break;
         case CSSPropertyFontWeight:
             applicableTypes->append(adoptPtr(new CSSFontWeightInterpolationType(cssProperty)));
             break;
+        case CSSPropertyVisibility:
+            applicableTypes->append(adoptPtr(new CSSVisibilityInterpolationType(cssProperty)));
+            break;
         default:
             // TODO(alancutter): Support all interpolable CSS properties here so we can stop falling back to the old StyleInterpolation implementation.
             if (CSSPropertyMetadata::isInterpolableProperty(cssProperty))
                 fallbackToLegacy = true;
             break;
         }
 
         if (!fallbackToLegacy)
             applicableTypes->append(adoptPtr(new CSSValueInterpolationType(cssProperty)));
 
@@ skipping 369 matching lines @@
     RefPtrWillBeRawPtr<SVGPropertyBase> fromValue = attribute->currentValueBase()->cloneForAnimation(m_value);
     RefPtrWillBeRawPtr<SVGPropertyBase> toValue = attribute->currentValueBase()->cloneForAnimation(toSVGPropertySpecificKeyframe(end).value());
 
     if (!fromValue || !toValue)
         return nullptr;
 
     return createSVGInterpolation(fromValue.get(), toValue.get(), attribute);
 }
 
 } // namespace blink