firefox/devtools/server/tests/browser/browser_animation_playerState.js

/* 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",
    0
  );
  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",
    0
  );
  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",
    1
  );
  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",
    0
  );
  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",
    0
  );
  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;
}