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/*
* 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
* copyright notice, this list of conditions and the following disclaimer
* in the documentation and/or other materials provided with the
* distribution.
* * Neither the name of Google Inc. nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "third_party/blink/renderer/core/animation/css/css_animatable_value_factory.h"
#include "third_party/blink/renderer/core/animation/animatable/animatable_double.h"
#include "third_party/blink/renderer/core/animation/animatable/animatable_filter_operations.h"
#include "third_party/blink/renderer/core/animation/animatable/animatable_transform.h"
#include "third_party/blink/renderer/core/animation/compositor_animations.h"
#include "third_party/blink/renderer/core/animation/property_handle.h"
#include "third_party/blink/renderer/core/css/properties/css_property.h"
#include "third_party/blink/renderer/core/style/computed_style.h"
#include "third_party/blink/renderer/platform/runtime_enabled_features.h"
namespace blink {
static AnimatableValue* CreateFromTransformProperties(
scoped_refptr<TransformOperation> transform,
double zoom,
scoped_refptr<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));
}
return AnimatableTransform::Create(operation, has_transform ? zoom : 1);
}
AnimatableValue* CSSAnimatableValueFactory::Create(
const PropertyHandle& property,
const ComputedStyle& style) {
const CSSProperty& css_property = property.GetCSSProperty();
#if DCHECK_IS_ON()
// Variables are conditionally interpolable and compositable.
if (css_property.PropertyID() != CSSPropertyID::kVariable) {
DCHECK(css_property.IsInterpolable());
DCHECK(css_property.IsCompositableProperty());
}
#endif
switch (css_property.PropertyID()) {
case CSSPropertyID::kOpacity:
return AnimatableDouble::Create(style.Opacity());
case CSSPropertyID::kFilter:
return AnimatableFilterOperations::Create(style.Filter());
case CSSPropertyID::kBackdropFilter:
return AnimatableFilterOperations::Create(style.BackdropFilter());
case CSSPropertyID::kTransform:
return AnimatableTransform::Create(style.Transform(),
style.EffectiveZoom());
case CSSPropertyID::kTranslate: {
return CreateFromTransformProperties(style.Translate(),
style.EffectiveZoom(), nullptr);
}
case CSSPropertyID::kRotate: {
return CreateFromTransformProperties(style.Rotate(),
style.EffectiveZoom(), nullptr);
}
case CSSPropertyID::kScale: {
return CreateFromTransformProperties(style.Scale(), style.EffectiveZoom(),
nullptr);
}
case CSSPropertyID::kVariable: {
if (!RuntimeEnabledFeatures::OffMainThreadCSSPaintEnabled()) {
return nullptr;
}
const AtomicString& property_name = property.CustomPropertyName();
const CSSValue* value = style.GetRegisteredVariable(property_name);
const auto* primitive_value = DynamicTo<CSSPrimitiveValue>(value);
if (!primitive_value || !primitive_value->IsNumber())
return nullptr;
return AnimatableDouble::Create(primitive_value->GetFloatValue());
}
default:
NOTREACHED();
return nullptr;
}
}
} // namespace blink
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