browser_animation_setCurrentTime.js

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/* Any copyright is dedicated to the Public Domain.

   http://creativecommons.org/publicdomain/zero/1.0/ */

"use strict";

// Check that the AnimationsActor allows changing many players' currentTimes at once.

add_task(async function () {

  const { target, walker, animations } = await initAnimationsFrontForUrl(

    MAIN_DOMAIN + "animation.html"

);

  await testSetCurrentTimes(walker, animations);

  await target.destroy();

  gBrowser.removeCurrentTab();

});

async function testSetCurrentTimes(walker, animations) {

  ok(animations.setCurrentTimes, "The AnimationsActor has the right method");

  info("Retrieve multiple animated node and its animation players");

  const nodeMulti = await walker.querySelector(

    walker.rootNode,

    ".multiple-animations"

);

  const players = await animations.getAnimationPlayersForNode(nodeMulti);

  Assert.greater(players.length, 1, "Node has more than 1 animation player");

  info("Try to set multiple current times at once");

  // Assume that all animations were created at same time.

  const createdTime = players[1].state.createdTime;

  await animations.setCurrentTimes(players, createdTime + 500, true);

  info("Get the states of players and verify their correctness");

  for (let i = 0; i < players.length; i++) {

    const state = await players[i].getCurrentState();

    is(state.playState, "paused", `Player ${i + 1} is paused`);

is(

      parseInt(state.currentTime.toPrecision(4), 10),

      500,

      `Player ${i + 1} has the right currentTime`

);