browser_animation_playerState.js

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/* Any copyright is dedicated to the Public Domain.

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

"use strict";

// Check the animation player's initial state

add_task(async function () {

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

    MAIN_DOMAIN + "animation.html"

);

  await playerHasAnInitialState(walker, animations);

  await playerStateIsCorrect(walker, animations);

  await target.destroy();

  gBrowser.removeCurrentTab();

});

async function playerHasAnInitialState(walker, animations) {

  const node = await walker.querySelector(walker.rootNode, ".simple-animation");

  const [player] = await animations.getAnimationPlayersForNode(node);

  ok(player.initialState, "The player front has an initial state");

  ok("startTime" in player.initialState, "Player's state has startTime");

  ok("currentTime" in player.initialState, "Player's state has currentTime");

  ok("playState" in player.initialState, "Player's state has playState");

  ok("playbackRate" in player.initialState, "Player's state has playbackRate");

  ok("name" in player.initialState, "Player's state has name");

  ok("duration" in player.initialState, "Player's state has duration");

  ok("delay" in player.initialState, "Player's state has delay");

ok(

    "iterationCount" in player.initialState,

    "Player's state has iterationCount"

);

  ok("fill" in player.initialState, "Player's state has fill");

  ok("easing" in player.initialState, "Player's state has easing");

  ok("direction" in player.initialState, "Player's state has direction");

ok(

    "isRunningOnCompositor" in player.initialState,

    "Player's state has isRunningOnCompositor"

);

  ok("type" in player.initialState, "Player's state has type");

ok(

    "documentCurrentTime" in player.initialState,

    "Player's state has documentCurrentTime"

);

  ok("properties" in player.initialState, "Player's state has properties");

async function playerStateIsCorrect(walker, animations) {

  info("Checking the state of the simple animation");

  let player = await getAnimationPlayerForNode(

    walker,

    animations,

    ".simple-animation",

);

  let state = await player.getCurrentState();

  is(state.name, "move", "Name is correct");

  is(state.duration, 200000, "Duration is correct");

  // null = infinite count

  is(state.iterationCount, null, "Iteration count is correct");

  is(state.fill, "none", "Fill is correct");

  is(state.easing, "linear", "Easing is correct");

  is(state.direction, "normal", "Direction is correct");

  is(state.playState, "running", "PlayState is correct");

  is(state.playbackRate, 1, "PlaybackRate is correct");

  is(state.type, "cssanimation", "Type is correct");

  info("Checking the state of the transition");

  player = await getAnimationPlayerForNode(

    walker,

    animations,

    ".transition",

);

  state = await player.getCurrentState();

  is(state.name, "width", "Transition name matches transition property");

  is(state.duration, 500000, "Transition duration is correct");

  // transitions run only once

  is(state.iterationCount, 1, "Transition iteration count is correct");

  is(state.fill, "backwards", "Transition fill is correct");

  is(state.easing, "ease-out", "Transition easing is correct");

  is(state.direction, "normal", "Transition direction is correct");

  is(state.playState, "running", "Transition playState is correct");

  is(state.playbackRate, 1, "Transition playbackRate is correct");

  is(state.type, "csstransition", "Transition type is correct");

  // check easing in properties

  let properties = state.properties;

  is(properties.length, 1, "Length of animated properties is correct");

  let keyframes = properties[0].values;

  is(keyframes.length, 2, "Transition length of keyframe is correct");

  is(keyframes[0].easing, "linear", "Transition keyframes's easing is correct");

  info("Checking the state of one of multiple animations on a node");

  // Checking the 2nd player

  player = await getAnimationPlayerForNode(

    walker,

    animations,

    ".multiple-animations",

);

  state = await player.getCurrentState();

  is(state.name, "glow", "The 2nd animation's name is correct");

  is(state.duration, 100000, "The 2nd animation's duration is correct");

  is(state.iterationCount, 5, "The 2nd animation's iteration count is correct");

  is(state.fill, "both", "The 2nd animation's fill is correct");

  is(state.easing, "linear", "The 2nd animation's easing is correct");

  is(state.direction, "reverse", "The 2nd animation's direction is correct");

  is(state.playState, "running", "The 2nd animation's playState is correct");

  is(state.playbackRate, 1, "The 2nd animation's playbackRate is correct");

  // chech easing in keyframe

  properties = state.properties;

  keyframes = properties[0].values;

  is(keyframes.length, 2, "The 2nd animation's length of keyframe is correct");

is(

    keyframes[0].easing,

    "ease-out",

    "The 2nd animation's easing of keyframes is correct"

);

  info("Checking the state of an animation with delay");

  player = await getAnimationPlayerForNode(

    walker,

    animations,

    ".delayed-animation",

);

  state = await player.getCurrentState();

  is(state.delay, 5000, "The animation delay is correct");

  info("Checking the state of an transition with delay");

  player = await getAnimationPlayerForNode(

    walker,

    animations,

    ".delayed-transition",

);

  state = await player.getCurrentState();

  is(state.delay, 3000, "The transition delay is correct");

async function getAnimationPlayerForNode(

  walker,

  animations,

  nodeSelector,

  index

) {

  const node = await walker.querySelector(walker.rootNode, nodeSelector);

  const players = await animations.getAnimationPlayersForNode(node);

  const player = players[index];

  return player;