react-player-controls

react-player-controls
 

This is a minimal set of modular, tested and hopefully useful React components for composing media player interfaces. It is designed for you to compose media player controls yourself using a small and easy-to-learn API.

👴 Check the old README for version 0.5.x, which contained more pre-baked components, if you are still on that version. 👵

From a library point of view, creating and providing components like <Player /> or <ProgressBar /> tends to result in abstractions with tons of props, often preventing arbitrary customisation, whilst providing little real value. These abstractions prove especially hindering when it comes to styling child elements. Therefor, instead of shipping these composite components, there is a collection of recipies that you can more or less copy-paste right into your project. Along with these plain components are a few boilerplate sets of styles in different forms that you can use if you want.

You can see the base components in action on the examples page.

⚠️ NOTE: This library does not deal with actual media in any way, only the UI. ⚠️

Table of contents

• Installation
• Usage
• API
• Recipies
• Contribute

Installation

npm i react-player-controls

Usage

// ES2015+ import
import { Slider, Direction } from 'react-player-controls'

// Using CommonJS
const { Slider, Direction } = require('react-player-controls')

API

• <Button />
• Direction
• <FormattedTime />
• <PlayerIcon />
• <Slider />

<Button />

<Button /> is basically a simple HTML button.

<Button onClick={() => alert('clicked')}>
  Click me
</Button>

Prop name	Default value	Description
onClick	-	Required. A callback function that is invoked when the button is clicked.
isEnabled	true	Whether the button is enabled. Setting this to false will set the disabled attribute on the button element to true.
className	null	A string to set as the HTML class attribute
style	{}	Styles to set on the button element.
children	null	Child elements.

Direction

An enum describing a slider's active axis.

Key	Value
HORIZONTAL	"HORIZONTAL"
VERTICAL	"VERTICAL"

<FormattedTime />

<FormattedTime /> translates a number of seconds into the player-friendly format of m:ss, or h:mm:ss if the total time is one hour or higher.

// This will render -1:01:02
<FormattedTime numSeconds={-3662} />

Prop name	Default value	Description
numSeconds	0	A number of seconds, positive or negative
className	null	A string to set as the HTML class attribute
style	{}	Styles to set on the wrapping span element.

<PlayerIcon />

<PlayerIcon /> is not really a component in itself, but a container of a number of icon components.

<PlayerIcon.Play />
<PlayerIcon.Pause />
<PlayerIcon.Previous />
<PlayerIcon.Next />
<PlayerIcon.SoundOn />
<PlayerIcon.SoundOff />

Any props passed to a <PlayerIcon.* /> component will be passed onto the underlying svg element.

<Slider />

The <Slider /> helps you build things like volume controls and progress bars. Slightly counterintuitively, it does not take a value prop, but expects you to keep track of this yourself and render whatever you want inside it.

What this component actually does is that it renders an element inside itself, on top of its children, which listens to mouse events and invokes change and intent callbacks with relative, normalised values based on those events.

<Slider
  direction={Direction.HORIZONTAL}
  isEnabled
  onIntent={intent => console.log(`hovered at ${intent}`)}
  onIntentStart={intent => console.log(`entered with mouse at ${intent}`)}
  onIntentEnd={() => console.log('left with mouse')}
  onChange={newValue => console.log(`clicked at ${newValue}`)}
  onChangeStart={startValue => console.log(`started dragging at ${startValue}`)}
  onChangeEnd={endValue => console.log(`stopped dragging at ${endValue}`)}
>
  {/* Here we render whatever we want. Nothings is rendered by default. */}
</Slider>

Prop name	Default value	Description
direction	Direction.HORIZONTAL	The slider's direction
isEnabled	true	Whether the slider is interactable
onIntent	() => {}	A function that is invoked with the relative, normalised value at which the user is hovering (when not dragging).
onIntentStart	() => {}	A function this is invoked with the relative, normalised value at which the user started hovering the slider (when not dragging).
onIntentEnd	() => {}	A function this is invoked when the mouse left the slider area (when not dragging).
onChange	() => {}	A function that is invoked with the latest relative, normalised value that the user has set by either clicking or dragging.
onChangeStart	() => {}	A function that is invoked with the relative, normalised value at which the user started changing the slider's value.
onChangeEnd	() => {}	A function that is invoked with the relative, normalised value at which the user stopped changing the slider's value. When the component unmounts, this function will be invoked with a value of null.
children	null	Child elements.
className	null	A string to set as the HTML class attribute.
style	{}	Styles to set on the wrapping div element.
overlayZIndex	10	The z-index of the invisible overlay that captures mouse events

Recipies

Styled buttons with icons

import { Button, PlayerIcon } from 'react-player-controls'

// A base component that has base styles applied to it
const PlayerButton = ({ style, children, ...props }) => (
  <Button
    style={{
      appearance: 'none',
      outline: 'none',
      border: 'none',
      borderRadius: 3,
      background: 'white',
      color: 'blue',
      '&:hover': {
        'color': 'lightblue',
      },
      ...style,
    }}
    {...props}
  >
    {children}
  </Button>
)

// Compose buttons with matching icons. Use whatever icon library
// you want. If you don't have any particular logic for each of the
// buttons, you might not need this abstraction.
const PlayButton = props => <Button {...props}><PlayerIcon.Play /></Button>
const PauseButton = props => <Button {...props}><PlayerIcon.Pause /></Button>
const PreviousButton = props => <Button {...props}><PlayerIcon.Previous /></Button>
const NextButton = props => <Button {...props}><PlayerIcon.Next /></Button>

Styled slider

import { Direction, Slider } from 'react-player-controls'

const WHITE_SMOKE = '#eee'
const GRAY = '#878c88'
const GREEN = '#72d687'

// A colored bar that will represent the current value
const SliderBar = ({ direction, value, style }) => (
  <div
    style={Object.assign({}, {
      position: 'absolute',
      background: GRAY,
      borderRadius: 4,
    }, direction === Direction.HORIZONTAL ? {
      top: 0,
      bottom: 0,
      left: 0,
      width: `${value * 100}%`,
    } : {
      right: 0,
      bottom: 0,
      left: 0,
      height: `${value * 100}%`,
    }, style)}
  />
)

// A handle to indicate the current value
const SliderHandle = ({ direction, value, style }) => (
  <div
    style={Object.assign({}, {
      position: 'absolute',
      width: 16,
      height: 16,
      background: GREEN,
      borderRadius: '100%',
      transform: 'scale(1)',
      transition: 'transform 0.2s',
      '&:hover': {
        transform: 'scale(1.3)',
      }
    }, direction === Direction.HORIZONTAL ? {
      top: 0,
      left: `${value * 100}%`,
      marginTop: -4,
      marginLeft: -8,
    } : {
      left: 0,
      bottom: `${value * 100}%`,
      marginBottom: -8,
      marginLeft: -4,
    }, style)}
  />
)

// A composite progress bar component
const ProgressBar = ({ isEnabled, direction, value, ...props }) => (
  <Slider
    isEnabled={isEnabled}
    direction={direction}
    onChange={/* store value somehow */}
    style={{
      width: direction === Direction.HORIZONTAL ? 200 : 8,
      height: direction === Direction.HORIZONTAL ? 8 : 130,
      borderRadius: 4,
      background: WHITE_SMOKE,
      transition: direction === Direction.HORIZONTAL ? 'width 0.1s' : 'height 0.1s',
      cursor: isEnabled === true ? 'pointer' : 'default',
    }}
    {...props}
  >
    <SliderBar direction={direction} value={value} style={{ background: isEnabled ? GREEN : GRAY }} />
    <SliderHandle direction={direction} value={value} style={{ background: isEnabled ? GREEN : GRAY }} />
  </Slider>
)

// Now use <ProgressBar /> somewhere
<ProgressBar
  isEnabled
  direction={Direction.HORIZONTAL}
  value={currentTime / currentSong.duration}
  onChange={value => seek(value * currentSong.duration)}
/>

Playback controls

import { Button } from 'react-player-controls'
import Icon from 'some-icon-library'

const PlaybackControls = ({
  isPlaying,
  onPlaybackChange,
  hasPrevious,
  onPrevious,
  hasNext,
  onNext,
}) => (
  <div>
    <Button disabled={hasPrevious === false} onClick={onPrevious}>
      <Icon.Previous />
    </Button>

    <Button onClick={() => onPlaybackChange(!isPlaying)}>
      {isPlaying ? <Icon.Pause /> : <Icon.Play />}
    </Button>

    <Button disabled={hasNext === false} onClick={onNext}>
      <Icon.Next />
    </Button>
  </div>
)

// Use PlaybackControls in a player context
<PlaybackControls
  isPlaying={player.isPlaying}
  onPlaybackChange={isPlaying => player.setIsPlaying(isPlaying)}
  hasPrevious={songs.indexOf(currentSong) > 0}
  hasNext={songs.indexOf(currentSong) < songs.length - 1}
  onPrevious={player.setSong(songs[songs.indexOf(currentSong) - 1])}
  onNext={player.setSong(songs[songs.indexOf(currentSong) + 1])}
/>

Progress bar with buffer

import { Direction, Slider } from 'react-player-controls'

const Bar = ({ style, children, ...props }) => (
  <div
    style={{
      height: 6,
      width: '100%',
      ...style,
    }}
  >
    {children}
  </div>
)

const ProgressBarWithBuffer = ({
  amountBuffered,
  ...props,
}) => (
  <Slider
    direction={Direction.HORIZONTAL}
    {...props}
  >
    {/* Background bar */}
    <Bar style={{ background: 'gray', width: '100%' }} />

    {/* Buffer bar */}
    <Bar style={{ background: 'silver', width: `${amountBuffered * 100}%` }} />

    {/* Playtime bar */}
    <Bar style={{ background: 'blue', width: `${100 * currentTime / duration}%` }} />
  </Slider>
)

// Use buffer bar somewhere
<ProgressBarWithBuffer
  amountBuffered={secondsBuffered / duration}
  {/* callback props etc */}
/>

Progress bar that shows the target time on hover

import { Direction, FormattedTime, Slider } from 'react-player-controls'

// Create a basic bar that represents time
const TimeBar = ({ children }) => (
  <div
    style={{
      height: 6,
      width: '100%',
      background: 'gray',
    }}
  >
    {children}
  </div>
)

// Create a tooltip that will show the time
const TimeTooltip = ({ numSeconds, style = {} }) => (
  <div
    style={{
      display: 'inline-block',
      position: 'absolute',
      bottom: '100%',
      transform: 'translateX(-50%)',
      padding: 8,
      borderRadius: 3,
      background: 'darkblue',
      color: 'white',
      fontSize: 12,
      fontWeight: 'bold',
      lineHeight: 16,
      textAlign: 'center',
      ...style,
    }}
  >
    <FormattedTime numSeconds={numSeconds} />
  </div>
)

// Create a component to keep track of user interactions
class BarWithTimeOnHover extends React.Component {
  static propTypes = {
    duration: PropTypes.number.isRequired,
  }

  constructor(props) {
    super(props)

    this.state = {
      // This will be a normalised value between 0 and 1,
      // or null when not hovered
      hoverValue: null,
    }

    this.handleIntent = this.handleIntent.bind(this)
    this.handleIntentEnd = this.handleIntentEnd.bind(this)
  }

  handleIntent(value) {
    this.setState({
      hoverValue: value,
    })
  }

  handleIntentEnd() {
    // Note that this might not be invoked if the user ends
    // a control change with the mouse outside of the slider
    // element, so you might want to do this inside a
    // onChangeEnd callback too.
    this.setState({
      hoverValue: null,
    })
  }

  render() {
    const { duration } = this.props
    const { hoverValue } = this.state

    return (
      <Slider
        direction={Direction.HORIZONTAL}
        style={{
          position: 'relative',
        }}
        onIntent={this.handleIntent}
        onIntentEnd={this.handleIntentEnd}
      >
        <TimeBar />

        {hoverValue !== null && (
          <TimeTooltip
            numSeconds={hoverValue * duration}
            style={{
              left: `${hoverValue * 100}%`,
            }}
          />
        )}
      </Slider>
    )
  }
}

// Let's use it somewhere
<BarWithTimeOnHover duration={video.duration} />

Base CSS styles (as seen on the docs page)

/* Root slider component */
.slider {
  position: relative;
}

.slider.is-horizontal {
  width: 200px;
  height: 8px;
}

.slider.is-vertical {
  width: 8px;
  height: 200px;
}

/* Bars – can be progress. value, buffer or whatever */
.bar {
  position: absolute;
  border-radius: 50%;
}

.bar.is-background {
  background: #878c88;
}

.bar.is-value {
  background: #72d687;
}

.bar.is-horizontal {
  top: 0;
  bottom: 0;
  left: 0;
  /* width: set dynamically in js */;
  height: 100%;
}

.bar.is-vertical {
  right: 0;
  bottom: 0;
  left: 0;
  width: 100%;
  /* height: set dynamically in js */;
}

/* Slider handle */
.handle {
  position: absolute;
  width: 16px;
  height: 16px;
  background: 'green';
  border-radius: 50%;
  transform: scale(1);
  transition: transform 0.2s;
}

.handle:hover {
  transform: scale(1.3);
}

.handle.is-horizontal {
  top: 0;
  /* left: set dynamically in js to x %; */
  margin-top: -4px;
  margin-left: -8px;
}

.handle.is-vertical {
  left: 0;
  /* bottom: set dynamically in js to x %; */
  margin-bottom: -8px;
  margin-left: -4px;
}

Contribute

Contributions are very welcome, no matter your experience! Please submit a PR and we'll take it from there.