/
Player.svelte
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Player.svelte
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<script lang="ts">
import { createEventDispatcher } from "svelte";
import { Play, Pause, Maximise, Undo } from "@gradio/icons";
import { loaded } from "./utils";
export let src: string;
export let subtitle: string | null = null;
export let mirror: boolean;
export let autoplay: boolean;
export let label = "test";
const dispatch = createEventDispatcher<{
play: undefined;
pause: undefined;
stop: undefined;
end: undefined;
}>();
let time = 0;
let duration: number;
let paused = true;
let video: HTMLVideoElement;
function handleMove(e: TouchEvent | MouseEvent): void {
if (!duration) return;
if (e.type === "click") {
handle_click(e as MouseEvent);
return;
}
if (e.type !== "touchmove" && !((e as MouseEvent).buttons & 1)) return;
const clientX =
e.type === "touchmove"
? (e as TouchEvent).touches[0].clientX
: (e as MouseEvent).clientX;
const { left, right } = (
e.currentTarget as HTMLProgressElement
).getBoundingClientRect();
time = (duration * (clientX - left)) / (right - left);
}
async function play_pause(): Promise<void> {
if (document.fullscreenElement != video) {
const isPlaying =
video.currentTime > 0 &&
!video.paused &&
!video.ended &&
video.readyState > video.HAVE_CURRENT_DATA;
if (!isPlaying) {
await video.play();
} else video.pause();
}
}
function handle_click(e: MouseEvent): void {
const { left, right } = (
e.currentTarget as HTMLProgressElement
).getBoundingClientRect();
time = (duration * (e.clientX - left)) / (right - left);
}
function format(seconds: number): string {
if (isNaN(seconds) || !isFinite(seconds)) return "...";
const minutes = Math.floor(seconds / 60);
let _seconds: number | string = Math.floor(seconds % 60);
if (_seconds < 10) _seconds = `0${_seconds}`;
return `${minutes}:${_seconds}`;
}
function handle_end(): void {
dispatch("stop");
dispatch("end");
}
function open_full_screen(): void {
video.requestFullscreen();
}
</script>
<div class="wrap">
<video
{src}
preload="auto"
on:click={play_pause}
on:play
on:pause
on:ended={handle_end}
bind:currentTime={time}
bind:duration
bind:paused
bind:this={video}
class:mirror
use:loaded={{ autoplay }}
data-testid={`${label}-player`}
>
<track kind="captions" src={subtitle} default />
</video>
<div class="controls">
<div class="inner">
<span
role="button"
tabindex="0"
class="icon"
aria-label="play-pause-replay-button"
on:click={play_pause}
on:keydown={play_pause}
>
{#if time === duration}
<Undo />
{:else if paused}
<Play />
{:else}
<Pause />
{/if}
</span>
<span class="time">{format(time)} / {format(duration)}</span>
<!-- TODO: implement accessible video timeline for 4.0 -->
<!-- svelte-ignore a11y-click-events-have-key-events -->
<!-- svelte-ignore a11y-no-noninteractive-element-interactions -->
<progress
value={time / duration || 0}
on:mousemove={handleMove}
on:touchmove|preventDefault={handleMove}
on:click|stopPropagation|preventDefault={handle_click}
/>
<div
role="button"
tabindex="0"
class="icon"
aria-label="full-screen"
on:click={open_full_screen}
on:keypress={open_full_screen}
>
<Maximise />
</div>
</div>
</div>
</div>
<style lang="postcss">
span {
text-shadow: 0 0 8px rgba(0, 0, 0, 0.5);
}
progress {
margin-right: var(--size-3);
border-radius: var(--radius-sm);
width: var(--size-full);
height: var(--size-2);
}
progress::-webkit-progress-bar {
border-radius: 2px;
background-color: rgba(255, 255, 255, 0.2);
overflow: hidden;
}
progress::-webkit-progress-value {
background-color: rgba(255, 255, 255, 0.9);
}
video {
position: inherit;
background-color: black;
width: var(--size-full);
height: var(--size-full);
object-fit: contain;
}
.mirror {
transform: scaleX(-1);
}
.controls {
position: absolute;
bottom: 0;
opacity: 0;
transition: 500ms;
margin: var(--size-2);
border-radius: var(--radius-md);
background: var(--color-grey-800);
padding: var(--size-2) var(--size-1);
width: calc(100% - 0.375rem * 2);
width: calc(100% - var(--size-2) * 2);
}
.wrap:hover .controls {
opacity: 1;
}
.inner {
display: flex;
justify-content: space-between;
align-items: center;
padding-right: var(--size-2);
padding-left: var(--size-2);
width: var(--size-full);
height: var(--size-full);
}
.icon {
display: flex;
justify-content: center;
cursor: pointer;
width: var(--size-6);
color: white;
}
.time {
flex-shrink: 0;
margin-right: var(--size-3);
margin-left: var(--size-3);
color: white;
font-size: var(--text-sm);
font-family: var(--font-mono);
}
.wrap {
position: relative;
background-color: var(--background-fill-secondary);
height: var(--size-full);
width: var(--size-full);
}
</style>