bvandeusen
6ff00ea24d
Single mount point alongside useMediaSession. Once called, the dispatcher's \$effect watchers run for the lifetime of the SPA.
90 lines
2.8 KiB
Svelte
90 lines
2.8 KiB
Svelte
<script lang="ts">
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import '../app.css';
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import { page } from '$app/state';
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import { goto } from '$app/navigation';
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import { QueryClientProvider } from '@tanstack/svelte-query';
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import { queryClient } from '$lib/query/client';
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import { user } from '$lib/auth/store.svelte';
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import Shell from '$lib/components/Shell.svelte';
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import {
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registerAudioEl,
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reportTimeUpdate,
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reportDuration,
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reportStateFromAudio,
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player
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} from '$lib/player/store.svelte';
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import { useMediaSession } from '$lib/player/mediaSession.svelte';
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import { useEventsDispatcher } from '$lib/player/events.svelte';
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let { children } = $props<{ children: import('svelte').Snippet }>();
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let audioEl: HTMLAudioElement | undefined = $state();
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// Reactive guard: runs every time page.url or user.value changes.
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$effect(() => {
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const path = page.url.pathname;
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const isLogin = path === '/login';
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if (user.value === null && !isLogin) {
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const returnTo = path + page.url.search;
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goto('/login?returnTo=' + encodeURIComponent(returnTo), { replaceState: true });
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} else if (user.value !== null && isLogin) {
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goto('/', { replaceState: true });
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}
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});
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$effect(() => {
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if (audioEl) registerAudioEl(audioEl);
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return () => registerAudioEl(null);
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});
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$effect(() => {
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if (!audioEl) return;
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const src = player.current?.stream_url;
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if (src) {
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const absolute = new URL(src, window.location.origin).href;
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if (audioEl.src !== absolute) audioEl.src = src;
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} else {
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audioEl.removeAttribute('src');
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audioEl.load();
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}
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});
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$effect(() => {
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if (audioEl) audioEl.volume = player.volume;
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});
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$effect(() => {
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if (!audioEl) return;
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// "Intent to play" = loading or playing. During 'loading' the DOM hasn't
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// emitted 'playing' yet, but we still need to call play() to get there.
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const intent = player.state === 'playing' || player.state === 'loading';
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if (intent) {
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audioEl.play().catch(() => { /* interrupted / blocked — store gets the event */ });
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} else {
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audioEl.pause();
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}
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});
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useMediaSession();
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useEventsDispatcher();
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</script>
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<audio
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bind:this={audioEl}
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preload="metadata"
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ontimeupdate={() => audioEl && reportTimeUpdate(audioEl.currentTime)}
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onloadedmetadata={() => audioEl && reportDuration(audioEl.duration)}
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onplaying={() => reportStateFromAudio('playing')}
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onpause={() => reportStateFromAudio('paused')}
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onwaiting={() => reportStateFromAudio('waiting')}
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onended={() => reportStateFromAudio('ended')}
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onerror={() => reportStateFromAudio('error', audioEl?.error?.message)}
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></audio>
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<QueryClientProvider client={queryClient}>
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{#if user.value !== null && page.url.pathname !== '/login'}
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<Shell>{@render children()}</Shell>
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{:else}
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{@render children()}
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{/if}
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</QueryClientProvider>
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