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// Copyright 2020 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 "third_party/blink/renderer/core/animation/animation_utils.h"
#include "testing/gtest/include/gtest/gtest.h"
#include "third_party/blink/renderer/core/animation/animation_input_helpers.h"
#include "third_party/blink/renderer/core/animation/invalidatable_interpolation.h"
#include "third_party/blink/renderer/core/css/properties/css_property_ref.h"
#include "third_party/blink/renderer/core/css/resolver/style_resolver.h"
#include "third_party/blink/renderer/core/dom/document.h"
#include "third_party/blink/renderer/core/style/computed_style.h"
#include "third_party/blink/renderer/core/testing/core_unit_test_helper.h"
#include "third_party/googletest/src/googletest/include/gtest/gtest.h"
namespace blink {
class AnimationUtilsTest : public RenderingTest {
public:
AnimationUtilsTest() = default;
StringKeyframe* AddKeyframe(StringKeyframeVector& keyframes, double offset) {
StringKeyframe* keyframe = MakeGarbageCollected<StringKeyframe>();
keyframe->SetOffset(offset);
keyframes.push_back(keyframe);
return keyframe;
}
void AddProperty(StringKeyframe* keyframe,
CSSPropertyID property_id,
String value) {
keyframe->SetCSSPropertyValue(property_id, value,
SecureContextMode::kInsecureContext,
/*style_sheet_contents=*/nullptr);
}
void AddInterpolation(ActiveInterpolationsMap& interpolations_map,
const StringKeyframeVector& keyframes,
PropertyHandle property_handle) {
ActiveInterpolationsMap::AddResult entry = interpolations_map.insert(
property_handle, MakeGarbageCollected<ActiveInterpolations>());
ActiveInterpolations* active_interpolations = entry.stored_value->value;
PropertySpecificKeyframe* from_keyframe =
CreatePropertySpecificKeyframe(keyframes[0], property_handle, 0);
PropertySpecificKeyframe* to_keyframe =
CreatePropertySpecificKeyframe(keyframes[1], property_handle, 1);
Interpolation* interpolation =
MakeGarbageCollected<InvalidatableInterpolation>(
property_handle, from_keyframe, to_keyframe);
interpolation->Interpolate(/*iteration=*/0, /*progress=*/1);
active_interpolations->push_back(interpolation);
}
PropertySpecificKeyframe* CreatePropertySpecificKeyframe(
Keyframe* keyframe,
PropertyHandle property_handle,
double offset) {
return keyframe->CreatePropertySpecificKeyframe(
property_handle, EffectModel::kCompositeReplace, offset);
}
};
TEST_F(AnimationUtilsTest, ForEachInterpolatedPropertyValue) {
SetBodyInnerHTML("<div id='target' style='left:10px'></div>");
Element* target = GetElementById("target");
PropertyHandleSet properties;
properties.insert(PropertyHandle(GetCSSPropertyLeft()));
properties.insert(PropertyHandle(GetCSSPropertyTop()));
HashMap<String, String> map;
ActiveInterpolationsMap interpolations_map;
base::RepeatingCallback<void(PropertyHandle, const CSSValue*)> callback =
WTF::BindRepeating(
[](HashMap<String, String>* map, PropertyHandle property,
const CSSValue* value) {
String property_name =
AnimationInputHelpers::PropertyHandleToKeyframeAttribute(
property);
map->Set(property_name, value->CssText());
},
WTF::Unretained(&map));
AnimationUtils::ForEachInterpolatedPropertyValue(
target, properties, interpolations_map, callback);
EXPECT_EQ(2U, map.size());
EXPECT_EQ("10px", map.at("left"));
EXPECT_EQ("auto", map.at("top"));
map.clear();
StringKeyframeVector keyframes;
StringKeyframe* fromKeyframe = AddKeyframe(keyframes, 0);
AddProperty(fromKeyframe, CSSPropertyID::kLeft, "10px");
AddProperty(fromKeyframe, CSSPropertyID::kTop, "auto");
StringKeyframe* toKeyframe = AddKeyframe(keyframes, 1);
AddProperty(toKeyframe, CSSPropertyID::kLeft, "20px");
AddProperty(toKeyframe, CSSPropertyID::kTop, "40px");
AddInterpolation(interpolations_map, keyframes,
PropertyHandle(GetCSSPropertyLeft()));
AddInterpolation(interpolations_map, keyframes,
PropertyHandle(GetCSSPropertyTop()));
AnimationUtils::ForEachInterpolatedPropertyValue(
target, properties, interpolations_map, callback);
EXPECT_EQ(2U, map.size());
EXPECT_EQ("20px", map.at("left"));
EXPECT_EQ("40px", map.at("top"));
}
} // namespace blink
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