gecko-dev/devtools/client/animationinspector/test/browser_animation_timeline_...

85 строки
3.3 KiB
JavaScript

/* vim: set ts=2 et sw=2 tw=80: */
/* Any copyright is dedicated to the Public Domain.
http://creativecommons.org/publicdomain/zero/1.0/ */
"use strict";
// Check that the iteration start is displayed correctly in time blocks.
add_task(function* () {
yield addTab(URL_ROOT + "doc_script_animation.html");
let {panel} = yield openAnimationInspector();
let timelineComponent = panel.animationsTimelineComponent;
let timeBlockComponents = timelineComponent.timeBlocks;
let detailsComponents = timelineComponent.details;
for (let i = 0; i < timeBlockComponents.length; i++) {
info(`Expand time block ${i} so its keyframes are visible`);
yield clickOnAnimation(panel, i);
info(`Check the state of time block ${i}`);
let {containerEl, animation: {state}} = timeBlockComponents[i];
checkAnimationTooltip(containerEl, state);
checkIterationBackground(containerEl, state);
// Get the first set of keyframes (there's only one animated property
// anyway), and the first frame element from there, we're only interested in
// its offset.
let keyframeComponent = detailsComponents[i].keyframeComponents[0];
let frameEl = keyframeComponent.keyframesEl.querySelector(".frame");
checkKeyframeOffset(containerEl, frameEl, state);
}
});
function checkAnimationTooltip(el, {iterationStart, duration}) {
info("Check an animation's iterationStart data in its tooltip");
let title = el.querySelector(".name").getAttribute("title");
let iterationStartTime = iterationStart * duration / 1000;
let iterationStartTimeString = iterationStartTime.toLocaleString(undefined, {
maximumFractionDigits: 2,
minimumFractionDigits: 2
}).replace(".", "\\.");
let iterationStartString = iterationStart.toString().replace(".", "\\.");
let regex = new RegExp("Iteration start: " + iterationStartString +
" \\(" + iterationStartTimeString + "s\\)");
ok(title.match(regex), "The tooltip shows the expected iteration start");
}
function checkIterationBackground(el, {iterationCount, iterationStart}) {
info("Check the background-image used to display iterations is offset " +
"correctly to represent the iterationStart");
let iterationsEl = el.querySelector(".iterations");
let start = getIterationStartFromBackground(iterationsEl, iterationCount);
is(start, iterationStart % 1,
"The right background-position for iteration start");
}
function getIterationStartFromBackground(el, iterationCount) {
if (iterationCount == 1) {
let size = parseFloat(/([.\d]+)%/.exec(el.style.backgroundSize)[1]);
return 1 - size / 100;
}
let size = parseFloat(/([.\d]+)%/.exec(el.style.backgroundSize)[1]);
let position = parseFloat(/([-\d]+)%/.exec(el.style.backgroundPosition)[1]);
let iterationStartW = -position / size * (100 - size);
let rounded = Math.round(iterationStartW * 100);
return rounded / 10000;
}
function checkKeyframeOffset(timeBlockEl, frameEl, {iterationStart}) {
info("Check that the first keyframe is offset correctly");
let start = getIterationStartFromLeft(frameEl);
is(start, iterationStart % 1, "The frame offset for iteration start");
}
function getIterationStartFromLeft(el) {
let left = 100 - parseFloat(/(\d+)%/.exec(el.style.left)[1]);
return left / 100;
}