|
| 1 | + /* Get elements */ |
| 2 | +const player = document.querySelector('.player'); |
| 3 | +const video = player.querySelector('.viewer'); |
| 4 | +const progress = player.querySelector('.progress'); |
| 5 | +const progressBar = player.querySelector('.progress__filled'); |
| 6 | +const toggle = player.querySelector('.toggle'); |
| 7 | +const skipButtons = player.querySelectorAll('[data-skip]'); |
| 8 | +const ranges = player.querySelectorAll('.player__slider'); |
| 9 | + |
| 10 | + /* Build functions */ |
| 11 | + |
| 12 | +const togglePlay = () => { |
| 13 | + const method = video.paused ? 'play' : 'pause'; |
| 14 | + video[method](); |
| 15 | +} |
| 16 | + |
| 17 | +const updateButton = target => { |
| 18 | + toggle.textContent = target.paused ? '►' : '❚ ❚'; |
| 19 | +} |
| 20 | + |
| 21 | +const skip = target => { |
| 22 | + video.currentTime += parseFloat(target.dataset.skip); |
| 23 | +} |
| 24 | + |
| 25 | +const handleRangeUpdate = target => { |
| 26 | + video[target.name] = target.value; |
| 27 | +} |
| 28 | + |
| 29 | +const handleProgress = () => { |
| 30 | + const percent = (video.currentTime / video.duration) * 100; |
| 31 | + progressBar.style.flexBasis = `${percent}%`; |
| 32 | +} |
| 33 | + |
| 34 | +const scrub = event => { |
| 35 | + const scrubTime = (event.offsetX / progress.offsetWidth) * video.duration; |
| 36 | + video.currentTime = scrubTime; |
| 37 | +} |
| 38 | + |
| 39 | + /* Hook up event listeners */ |
| 40 | +video.addEventListener('click', togglePlay); |
| 41 | +video.addEventListener('play', event => updateButton(event.target)); |
| 42 | +video.addEventListener('pause', event => updateButton(event.target)); |
| 43 | + |
| 44 | +skipButtons.forEach(button => button.addEventListener('click', event => skip(event.target))); |
| 45 | + |
| 46 | +ranges.forEach(range => range.addEventListener('change', event => handleRangeUpdate(event.target))); |
| 47 | +ranges.forEach(range => range.addEventListener('mousemove', event => handleRangeUpdate(event.target))); |
| 48 | + |
| 49 | +video.addEventListener('timeupdate', handleProgress); |
| 50 | + |
| 51 | + |
| 52 | +let mousedown = false; |
| 53 | +progress.addEventListener('click', scrub); |
| 54 | +progress.addEventListener('mousemove', e => mousedown && scrub(e)); |
| 55 | +progress.addEventListener('mousedown', () => mousedown = true); |
| 56 | +progress.addEventListener('mouseup', () => mousedown = false); |
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