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// Copyright 2015 The Cobalt Authors. All Rights Reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#include "cobalt/css_parser/animation_shorthand_property_parse_structures.h"
#include "cobalt/cssom/css_declared_style_data.h"
namespace cobalt {
namespace css_parser {
namespace {
// While the inital values for animation_duration, animation_timing_function
// and animation_delay are well defined, they are lists of single objects,
// and right here what we really need are those single objects. These wrapper
// functions extract the single element out of the initial list values for
// each different optional animation property.
base::TimeDelta GetInitialDelay() {
return base::polymorphic_downcast<const cssom::TimeListValue*>(
cssom::GetPropertyInitialValue(cssom::kAnimationDelayProperty)
.get())
->value()[0];
}
scoped_refptr<cssom::PropertyValue> GetInitialDirection() {
return base::polymorphic_downcast<const cssom::PropertyListValue*>(
cssom::GetPropertyInitialValue(cssom::kAnimationDirectionProperty)
.get())
->value()[0];
}
base::TimeDelta GetInitialDuration() {
return base::polymorphic_downcast<const cssom::TimeListValue*>(
cssom::GetPropertyInitialValue(cssom::kAnimationDurationProperty)
.get())
->value()[0];
}
scoped_refptr<cssom::PropertyValue> GetInitialFillMode() {
return base::polymorphic_downcast<const cssom::PropertyListValue*>(
cssom::GetPropertyInitialValue(cssom::kAnimationFillModeProperty)
.get())
->value()[0];
}
scoped_refptr<cssom::PropertyValue> GetInitialIterationCount() {
return base::polymorphic_downcast<const cssom::PropertyListValue*>(
cssom::GetPropertyInitialValue(
cssom::kAnimationIterationCountProperty)
.get())
->value()[0];
}
scoped_refptr<cssom::PropertyValue> GetInitialName() {
return base::polymorphic_downcast<const cssom::PropertyListValue*>(
cssom::GetPropertyInitialValue(cssom::kAnimationFillModeProperty)
.get())
->value()[0];
}
scoped_refptr<cssom::TimingFunction> GetInitialTimingFunction() {
return base::polymorphic_downcast<const cssom::TimingFunctionListValue*>(
cssom::GetPropertyInitialValue(
cssom::kAnimationTimingFunctionProperty)
.get())
->value()[0];
}
} // namespace
void SingleAnimationShorthand::ReplaceNullWithInitialValues() {
if (!delay) {
delay = GetInitialDelay();
}
if (!direction) {
direction = GetInitialDirection();
}
if (!duration) {
duration = GetInitialDuration();
}
if (!fill_mode) {
fill_mode = GetInitialFillMode();
}
if (!iteration_count) {
iteration_count = GetInitialIterationCount();
}
if (!name) {
name = GetInitialName();
}
if (!timing_function) {
timing_function = GetInitialTimingFunction();
}
}
} // namespace css_parser
} // namespace cobalt