Additional changes for iOS

Still not flawless. More work required.

src/js/components/Stream.tsx

@@ -1,31 +1,24 @@
 import * as Quran from 'lib/Quran';
-import React, { useEffect, useRef } from 'react';
+import React, { useEffect } from 'react';
 import { formatNumber, TFunction } from 'lib/i18n';
 import { Slice } from 'lib/Quran/Slice';
 import classNames from 'classnames';
 
 interface Props {
-  reciter: Quran.Reciter
   surah: Quran.Surah
   stream: Quran.Ayat
   locale: Quran.Locale
   slice: Slice
   endOfStream: boolean
   isPaused: boolean
-  soundOn: boolean
-  setSoundOn: (v: boolean) => void
   t: TFunction
 }
 
-export function Stream({ reciter, surah, stream, locale, slice, endOfStream, isPaused, setSoundOn, soundOn, t }: Props) {
+export function Stream({ surah, stream, locale, slice, endOfStream, isPaused, t }: Props) {
   const className = classNames('body', 'stream');
   const style: React.CSSProperties = endOfStream || isPaused ?
                                      { 'overflowY': 'auto' } :
                                      { 'overflowY': 'hidden' };
-  const audioRef = useRef<HTMLAudioElement>(null);
-  const { url: baseUrl } = reciter;
-  const ayah = stream[stream.length-1];
-  const src = `${baseUrl}/${surah.id}/${ayah.id}.mp3`;
   const ayat = stream.map((ayah: Quran.Ayah) => {
     return (
       <li key={ayah.id} className="ayah fade">
@@ -51,31 +44,9 @@ export function Stream({ reciter, surah, stream, locale, slice, endOfStream, isP
     }
   }, [stream]);
 
-  useEffect(() => {
-    const audio = audioRef.current;
-    if (!audio) {
-      return;
-    } else if (isPaused || !soundOn) {
-      audio.pause();
-    } else if (soundOn) {
-      audio.play()
-           .catch(() => setSoundOn(false));
-    }
-  }, [stream, isPaused, soundOn]);
-
-  useEffect(() => {
-    const audio = audioRef.current;
-    if (audio) {
-      audio.addEventListener('ended', () => {
-        audio.setAttribute('src', src);
-      });
-    }
-  }, [audioRef.current]);
-
   return (
     <ul lang={locale} className={className} style={style}>
       {ayat}
-      <audio src={src} ref={audioRef} />
     </ul>
   );
 }

src/js/components/Timer.tsx

@@ -9,28 +9,32 @@ interface Props {
   soundOn: boolean
   setStream: (stream: Quran.Ayat) => void
   isPaused: boolean
+  isStalled: boolean
 }
 
-export function Timer ({ surah, stream, soundOn, setStream, locale, isPaused }: Props) {
+export function Timer ({ surah, stream, isStalled, soundOn, setStream, locale, isPaused }: Props) {
   const ayah = stream[stream.length - 1];
   const [ms, setMs] = useState(ayah.readTimeMs);
   const [tid, setTid] = useState<ReturnType<typeof setTimeout>>();
+
   useEffect(() => {
     if (tid) {
       clearTimeout(tid);
       setTid(undefined);
     }
     setMs(ayah.readTimeMs);
-  }, [soundOn, ayah.id]);
+  }, [ayah.id, soundOn]);
+
   useEffect(() => {
-    if (isPaused) {
+    if (isStalled || isPaused) {
       return;
     } else if (ms <= 0) {
       setStream([...stream, surah.ayat[ayah.id]]);
     } else {
       setTid(setTimeout(() => setMs(ms - 100), 100));
     }
-  }, [ms, isPaused]);
+  }, [isStalled, isPaused, soundOn, ms]);
+
   return (
     <div className='timer'>
       {formatNumber(ms / 1000, locale)}

src/js/pages/surah/stream.tsx

@@ -1,4 +1,4 @@
-import React, { useState, useEffect } from 'react';
+import React, { useRef, useState, useEffect } from 'react';
 import ReactDOM from 'react-dom/client';
 import classNames from 'classnames';
 import { get as getCookie } from 'es-cookie';
@@ -31,10 +31,15 @@ function SurahStream({ node, reciters, locale, slice, paused, t }: Props) {
   const [stream, setStream] = useState<Quran.Ayat>([]);
   const [isPaused, setIsPaused] = useState<boolean>(paused);
   const [soundOn, setSoundOn] = useState<boolean>(false);
+  const [isStalled, setIsStalled] = useState<boolean>(false);
   const [theme, setTheme] = useState(getCookie('theme') || 'moon');
   const [reciter] = useState<Quran.Reciter>(reciters[0]);
   const [surah] = useState<Quran.Surah>(Quran.Surah.fromDOMNode(locale, node, getTimeSlots(reciter)));
   const readyToRender = stream.length > 0;
+  const audioRef = useRef<HTMLAudioElement>(null);
+  const { url: baseUrl } = reciter;
+  const ayah = stream[stream.length-1];
+  const src = `${baseUrl}/${surah.id}/${ayah?.id}.mp3`;
   const getAyahParam = (slice: Slice, stream: Quran.Ayat) => {
     if (slice.coversSubsetOfSurah) {
       return `${slice.begin}..${slice.end}`;
@@ -69,6 +74,27 @@ function SurahStream({ node, reciters, locale, slice, paused, t }: Props) {
     }
   }, [stream.length === 0]);
 
+  useEffect(() => {
+    const audio = audioRef.current;
+    if (!audio) {
+      return;
+    } else if (isPaused || !soundOn) {
+      audio.pause();
+    } else if (soundOn) {
+      audio.play()
+           .catch(() => setSoundOn(false));
+    }
+  }, [stream, isPaused, soundOn]);
+
+  useEffect(() => {
+    const audio = audioRef.current;
+    audio.addEventListener('ended', () => audio.setAttribute('src', src));
+    audio.addEventListener('stalled', () => setIsStalled(true));
+    audio.addEventListener('waiting', () => setIsStalled(true));
+    audio.addEventListener('playing', () => setIsStalled(false));
+    audio.addEventListener('play', () => setIsStalled(false));
+  }, []);
+
   return (
     <div className={classNames('content', 'theme', theme, locale)}>
       <div className="header">
@@ -91,15 +117,12 @@ function SurahStream({ node, reciters, locale, slice, paused, t }: Props) {
       )}
       {readyToRender &&
        <Stream
-         reciter={reciter}
          slice={slice}
          surah={surah}
          stream={stream}
          locale={locale}
          endOfStream={endOfStream}
          isPaused={isPaused}
-         soundOn={soundOn}
-         setSoundOn={setSoundOn}
          t={t}
        />
       }
@@ -120,10 +143,12 @@ function SurahStream({ node, reciters, locale, slice, paused, t }: Props) {
            locale={locale}
            isPaused={isPaused}
            soundOn={soundOn}
+           isStalled={isStalled}
          />}
         {readyToRender && endOfStream &&
          <RefreshShape onClick={() => setStream([])} />}
       </div>
+      <audio src={src} ref={audioRef} />
     </div>
   );
 }