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| 1 | +// 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 | +const fullscreen = player.querySelector('button[name="fullscreen"]') |
| 10 | + |
| 11 | +// functions |
| 12 | +function togglePlay() { |
| 13 | + const method = video.paused ? 'play' : 'pause' |
| 14 | + video[method]() |
| 15 | +} |
| 16 | + |
| 17 | +function updateButton() { |
| 18 | + const icon = this.paused ? '►' : '❚ ❚' |
| 19 | + toggle.textContent = icon |
| 20 | +} |
| 21 | + |
| 22 | +function skip() { |
| 23 | + video.currentTime += parseFloat(this.dataset.skip) |
| 24 | +} |
| 25 | + |
| 26 | +function handleRangeUpdate() { |
| 27 | + video[this.name] = this.value |
| 28 | +} |
| 29 | + |
| 30 | +function handleProgress() { |
| 31 | + const percent = (video.currentTime / video.duration) * 100 |
| 32 | + progressBar.style.flexBasis = `${percent}%` |
| 33 | +} |
| 34 | + |
| 35 | +function scrub(e) { |
| 36 | + const scrubTime = (e.offsetX / progress.offsetWidth) * video.duration |
| 37 | + video.currentTime = scrubTime |
| 38 | +} |
| 39 | + |
| 40 | +function handleFullscreen() { |
| 41 | + if (!document.mozFullScreen && !document.webkitFullScreen) { |
| 42 | + if (video.mozRequestFullScreen) { |
| 43 | + video.mozRequestFullScreen(); |
| 44 | + } else { |
| 45 | + video.webkitRequestFullScreen(Element.ALLOW_KEYBOARD_INPUT); |
| 46 | + } |
| 47 | + } else { |
| 48 | + if (document.mozCancelFullScreen) { |
| 49 | + document.mozCancelFullScreen(); |
| 50 | + } else { |
| 51 | + document.webkitCancelFullScreen(); |
| 52 | + } |
| 53 | + } |
| 54 | +} |
| 55 | + |
| 56 | +// event listeners |
| 57 | +video.addEventListener('click', togglePlay) |
| 58 | +video.addEventListener('play', updateButton) |
| 59 | +video.addEventListener('pause', updateButton) |
| 60 | +video.addEventListener('timeupdate', handleProgress) |
| 61 | + |
| 62 | +toggle.addEventListener('click', togglePlay) |
| 63 | + |
| 64 | +skipButtons.forEach(button => button.addEventListener('click', skip)) |
| 65 | + |
| 66 | +ranges.forEach(range => range.addEventListener('change', handleRangeUpdate)) |
| 67 | +ranges.forEach(range => range.addEventListener('mousemove', handleRangeUpdate)) |
| 68 | + |
| 69 | +let mouseDown = false |
| 70 | +progress.addEventListener('click', scrub) |
| 71 | +progress.addEventListener('mousemove', (e) => mouseDown && scrub(e)) |
| 72 | +progress.addEventListener('mousedown', () => mouseDown = true) |
| 73 | +progress.addEventListener('mouseup', () => mouseDown = false) |
| 74 | + |
| 75 | +fullscreen.addEventListener('click', handleFullscreen) |
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