/**
 * @license
 * Copyright Google Inc. All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
import {ɵStyleData} from '@angular/animations';
import {AnimationEngineInstruction, AnimationTransitionInstructionType} from '../render/animation_engine_instruction';

export interface AnimationTimelineInstruction extends AnimationEngineInstruction {
  element: any;
  keyframes: ɵStyleData[];
  preStyleProps: string[];
  postStyleProps: string[];
  duration: number;
  delay: number;
  totalTime: number;
  easing: string|null;
  stretchStartingKeyframe?: boolean;
  subTimeline: boolean;
}

export function createTimelineInstruction(
    element: any, keyframes: ɵStyleData[], preStyleProps: string[], postStyleProps: string[],
    duration: number, delay: number, easing: string | null = null,
    subTimeline: boolean = false): AnimationTimelineInstruction {
  return {
    type: AnimationTransitionInstructionType.TimelineAnimation,
    element,
    keyframes,
    preStyleProps,
    postStyleProps,
    duration,
    delay,
    totalTime: duration + delay, easing, subTimeline
  };
}