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/* 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";
requestLongerTimeout(2);
// Also checks that the button goes to the right state when the scrubber has
// reached the end of the timeline: continues to be in playing mode for infinite
// animations, goes to paused mode otherwise.
// And test that clicking the button once the scrubber has reached the end of
// the timeline does the right thing.
add_task(function* () {
yield addTab(URL_ROOT + "doc_simple_animation.html");
let {panel, controller, inspector} = yield openAnimationInspector();
let btn = panel.playTimelineButtonEl;
// For a finite animation, once the scrubber reaches the end of the timeline, the pause
// button should go back to paused mode.
info("Select a finite animation and wait for the animation to complete");
yield selectNodeAndWaitForAnimations(".negative-delay", inspector);
let onButtonPaused = waitForButtonPaused(btn);
let onTimelineUpdated = controller.once(controller.PLAYERS_UPDATED_EVENT);
// The page is reloaded to avoid missing the animation.
yield reloadTab(inspector);
yield onTimelineUpdated;
yield onButtonPaused;
ok(btn.classList.contains("paused"),
"The button is in paused state once finite animations are done");
yield assertScrubberMoving(panel, false);
info("Click again on the button to play the animation from the start again");
yield clickTimelinePlayPauseButton(panel);
ok(!btn.classList.contains("paused"),
"Clicking the button once finite animations are done should restart them");
yield assertScrubberMoving(panel, true);
});
function waitForButtonPaused(btn) {
return new Promise(resolve => {
let observer = new btn.ownerDocument.defaultView.MutationObserver(mutations => {
for (let mutation of mutations) {
if (mutation.type === "attributes" &&
mutation.attributeName === "class" &&
!mutation.oldValue.includes("paused") &&
btn.classList.contains("paused")) {
observer.disconnect();
resolve();
}
}
});
observer.observe(btn, { attributes: true, attributeOldValue: true });
});
}
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