Skip to content
New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Jump to bottom

Reapply "Add allow-discrete to non-interpolable WPTs" #44713

Merged
merged 1 commit into from
Feb 23, 2024
Merged

Reapply "Add allow-discrete to non-interpolable WPTs" #44713

Changes from all commits
Commits
Show all changes
1 commit
Select commit
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
63 changes: 61 additions & 2 deletions css/support/interpolation-testcommon.js
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -104,6 +104,59 @@
},
};

var cssTransitionsInterpolationAllowDiscrete = {
name: 'CSS Transitions with transition-behavior:allow-discrete',
isSupported: function() {return true;},
supportsProperty: function() {return true;},
supportsValue: function() {return true;},
setup: function(property, from, target) {
target.style.setProperty(property, isNeutralKeyframe(from) ? '' : from);
},
nonInterpolationExpectations: function(from, to) {
return expectFlip(from, to, 0.5);
},
notAnimatableExpectations: function(from, to, underlying) {
return expectFlip(from, to, -Infinity);
},
interpolate: function(property, from, to, at, target, behavior) {
// Force a style recalc on target to set the 'from' value.
getComputedStyle(target).getPropertyValue(property);
target.style.transitionDuration = '100s';
target.style.transitionDelay = '-50s';
target.style.transitionTimingFunction = createEasing(at);
target.style.transitionProperty = property;
target.style.transitionBehavior = 'allow-discrete';
target.style.setProperty(property, isNeutralKeyframe(to) ? '' : to);
},
};

var cssTransitionAllInterpolationAllowDiscrete = {
name: 'CSS Transitions with transition-property:all and transition-behavor:allow-discrete',
isSupported: function() {return true;},
// The 'all' value doesn't cover custom properties.
supportsProperty: function(property) {return property.indexOf('--') !== 0;},
supportsValue: function() {return true;},
setup: function(property, from, target) {
target.style.setProperty(property, isNeutralKeyframe(from) ? '' : from);
},
nonInterpolationExpectations: function(from, to) {
return expectFlip(from, to, 0.5);
},
notAnimatableExpectations: function(from, to, underlying) {
return expectFlip(from, to, -Infinity);
},
interpolate: function(property, from, to, at, target, behavior) {
// Force a style recalc on target to set the 'from' value.
getComputedStyle(target).getPropertyValue(property);
target.style.transitionDuration = '100s';
target.style.transitionDelay = '-50s';
target.style.transitionTimingFunction = createEasing(at);
target.style.transitionProperty = 'all';
target.style.transitionBehavior = 'allow-discrete';
target.style.setProperty(property, isNeutralKeyframe(to) ? '' : to);
},
};

var webAnimationsInterpolation = {
name: 'Web Animations',
isSupported: function() {return 'animate' in Element.prototype;},
Expand Down Expand Up @@ -435,13 +488,19 @@
function test_not_animatable(options) {
test_interpolation(options, expectNotAnimatable);
}
function create_tests() {
function create_tests(addAllowDiscreteTests) {
var interpolationMethods = [
cssTransitionsInterpolation,
cssTransitionAllInterpolation,
cssAnimationsInterpolation,
webAnimationsInterpolation,
];
if (addAllowDiscreteTests) {
interpolationMethods = [
cssTransitionsInterpolationAllowDiscrete,
cssTransitionAllInterpolationAllowDiscrete,
].concat(interpolationMethods);
}
var container = createElement(document.body);
var targets = createTestTargets(interpolationMethods, interpolationTests, compositionTests, container);
// Separate interpolation and measurement into different phases to avoid O(n^2) of the number of targets.
Expand All @@ -456,7 +515,7 @@

function test_interpolation(options, expectations) {
interpolationTests.push({options, expectations});
create_tests();
create_tests(expectations === expectNoInterpolation || expectations === expectNotAnimatable);
interpolationTests = [];
}
function test_composition(options, expectations) {
Expand Down