protimer/remote.html at main · srdjankotarlic/protimer · GitHub

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<!DOCTYPE html>
<html lang="sr">
<head>
<meta charset="UTF-8">
<meta name="referrer" content="no-referrer">
<meta name="viewport" content="width=device-width, initial-scale=1, maximum-scale=1, user-scalable=no">
<meta http-equiv="Content-Security-Policy" content="default-src 'self'; script-src 'unsafe-inline'; style-src 'unsafe-inline'; connect-src 'self'">
<meta name="apple-mobile-web-app-capable" content="yes">
<meta name="theme-color" content="#0b0d11">
<title>ProTimer — Daljinski</title>
<style>
  :root{ --bg:#0b0d11; --panel:#13161c; --panel2:#1a1f28; --border:#232936;
    --text:#e8edf3; --dim:#7d8794; --accent:#2ea043; --accent-h:#3fb950;
    --amber:#d9a441; --red:#f0564d; --blue:#4493f8; }
  *{box-sizing:border-box; margin:0; -webkit-tap-highlight-color:transparent; user-select:none;}
  body{background:var(--bg); color:var(--text); overflow-x:hidden;
    font:16px/1.4 -apple-system,"Helvetica Neue",system-ui,sans-serif;
    padding:14px; max-width:560px; margin:0 auto; -webkit-user-select:none;}
  input{user-select:auto; -webkit-user-select:auto;}
  .head{display:flex; align-items:center; gap:8px; margin-bottom:12px;}
  .brand{font-weight:800; letter-spacing:2px; font-size:14px;}
  .brand b{color:var(--accent-h);}
  .conn{margin-left:auto; font-size:12px; color:var(--dim); display:flex; align-items:center; gap:6px;}
  .dot{width:8px; height:8px; border-radius:50%; background:var(--red);}
  .dot.on{background:var(--accent-h);}

  .disp{background:#000; border:1px solid var(--border); border-radius:14px;
    padding:22px 12px; text-align:center; margin-bottom:14px;}
  .disp .lbl{font-size:13px; color:var(--dim); min-height:16px; margin-bottom:4px;
    white-space:nowrap; overflow:hidden; text-overflow:ellipsis;}
  .disp .t{font-family:"SF Mono",ui-monospace,Menlo,monospace; font-weight:700;
    font-variant-numeric:tabular-nums; font-size:21vw; line-height:1; color:#fff;}
  @media(min-width:560px){ .disp .t{font-size:118px;} }
  .disp .t.neg{animation:pulse 1s steps(2,start) infinite;}
  @keyframes pulse{50%{opacity:.3;}}
  .disp .msg{font-size:15px; color:var(--amber); font-weight:600; min-height:18px; margin-top:6px;}

  .grid{display:grid; gap:9px; margin-bottom:14px;}
  .g2{grid-template-columns:1fr 1fr;} .g3{grid-template-columns:1fr 1fr 1fr;} .g4{grid-template-columns:repeat(4,1fr);}
  button{background:var(--panel2); color:var(--text); border:1px solid var(--border);
    border-radius:12px; padding:16px 8px; font-size:16px; font-weight:600; cursor:pointer;
    -webkit-appearance:none; transition:transform .05s;}
  button:active{transform:scale(.96);}
  button.big{padding:22px 8px; font-size:20px; font-weight:800;}
  button.start{background:var(--accent); border-color:var(--accent); color:#fff;}
  button.start.run{background:#9a6a06; border-color:#bb8009;}
  button.go{background:var(--accent); border-color:var(--accent); color:#fff;}
  button.bk{background:transparent; border-color:#5a2b28; color:#e88;}
  button.bk.on{background:var(--red); border-color:var(--red); color:#fff;}
  button.adj{font-family:"SF Mono",Menlo,monospace; font-size:15px; padding:14px 4px;}
  .sec{font-size:11px; letter-spacing:1.5px; color:var(--dim); text-transform:uppercase; margin:4px 2px 8px;}
  .msgrow{display:flex; gap:8px;}
  .msgrow input{flex:1; background:var(--panel2); border:1px solid var(--border); color:var(--text);
    border-radius:12px; padding:14px; font-size:16px; outline:none;}
  .preset{background:var(--panel); font-size:14px; padding:12px 6px;}
  .foot{text-align:center; color:#566070; font-size:12px; margin:16px 0 8px;}
</style>
</head>
<body>
  <div class="head">
    <div class="brand">PRO<b>TIMER</b> · <span data-i18n="remoteWord">Daljinski</span></div>
    <div class="conn"><span class="dot" id="dot"></span><span id="connTxt">…</span></div>
  </div>

  <div class="disp">
    <div class="lbl" id="lbl"></div>
    <div class="t" id="time">--:--</div>
    <div class="msg" id="msg"></div>
  </div>

  <div class="grid g2">
    <button class="big start" id="btnStart">▶ START</button>
    <button class="big" id="btnReset">↺ RESET</button>
  </div>

  <div class="sec" data-i18n="correction">Korekcija</div>
  <div class="grid g4">
    <button class="adj" data-adj="-60">−1m</button>
    <button class="adj" data-adj="-10">−10s</button>
    <button class="adj" data-adj="10">+10s</button>
    <button class="adj" data-adj="60">+1m</button>
  </div>

  <div class="grid g2">
    <button class="go" id="btnGo" data-i18n="goNext">GO ▶ SLEDEĆI</button>
    <button class="bk" id="btnBk">■ BLACKOUT</button>
  </div>

  <div class="sec" data-i18n="quickDur">Brzo trajanje</div>
  <div class="grid g4" id="chips"></div>

  <div class="sec" data-i18n="msgToSpeaker">Poruka govorniku</div>
  <div class="grid g3" style="margin-bottom:9px">
    <button class="preset" data-i18n="preset1">Ubrzaj</button>
    <button class="preset" data-i18n="preset2">Završavaj</button>
    <button class="preset" data-i18n="preset3">STOP</button>
  </div>
  <div class="msgrow">
    <input type="text" id="msgIn" data-i18n-ph="ownMsg" placeholder="Svoja poruka…" enterkeyhint="send">
    <button id="btnMsg" style="padding:14px 16px" data-i18n="send">Pošalji</button>
    <button id="btnMsgClr" style="padding:14px 14px; background:transparent">✕</button>
  </div>

  <div class="foot" data-i18n="foot">Kontrola radi dok je glavni ProTimer otvoren na računaru.</div>

<script>
const $ = id => document.getElementById(id);
function pad(n){ return String(n).padStart(2,'0'); }
function fmtSecs(s,neg){ const h=Math.floor(s/3600),m=Math.floor((s%3600)/60),x=s%60;
  return (neg?'−':'')+(h>0?`${h}:${pad(m)}:${pad(x)}`:`${m}:${pad(x)}`); }
function fmtMs(ms){ return ms>=0?fmtSecs(Math.ceil(ms/1000),false):fmtSecs(Math.floor(-ms/1000),true); }

// ---------- jezik / language ----------
const I18N = {
  sr: { remoteWord:'Daljinski', connecting:'povezivanje…', live:'uživo', lost:'veza pala…',
    start:'▶ START', pause:'⏸ PAUZA', correction:'Korekcija', goNext:'GO ▶ SLEDEĆI',
    quickDur:'Brzo trajanje', msgToSpeaker:'Poruka govorniku',
    preset1:'Ubrzaj', preset2:'Završavaj', preset3:'STOP', ownMsg:'Svoja poruka…', send:'Pošalji',
    foot:'Kontrola radi dok je glavni ProTimer otvoren na računaru.' },
  en: { remoteWord:'Remote', connecting:'connecting…', live:'live', lost:'connection lost…',
    start:'▶ START', pause:'⏸ PAUSE', correction:'Adjust', goNext:'GO ▶ NEXT',
    quickDur:'Quick duration', msgToSpeaker:'Message to speaker',
    preset1:'Speed up', preset2:'Wrap up', preset3:'STOP', ownMsg:'Your message…', send:'Send',
    foot:'Works while the main ProTimer is open on the computer.' }
};
let lang = 'sr';
function tr(key){ return (I18N[lang] && I18N[lang][key]) || I18N.sr[key] || key; }
function applyLang(){
  document.documentElement.lang = lang;
  document.querySelectorAll('[data-i18n]').forEach(el => el.textContent = tr(el.dataset.i18n));
  document.querySelectorAll('[data-i18n-ph]').forEach(el => el.placeholder = tr(el.dataset.i18nPh));
}
applyLang();

let S = null, lastStateVersion = -1, lastServerInstance = null;
const TOKEN = new URLSearchParams(location.search).get('t') || '';
let clockOffsetMs=0, clockSynced=false, clockSyncing=false;
const hostNow=()=>Date.now()+clockOffsetMs;
async function syncClock(samples=3){
  if(clockSyncing) return;
  clockSyncing=true;
  let best=null;
  try{
    for(let i=0;i<samples;i++){
      const started=Date.now();
      const aborter=new AbortController();
      const timeout=setTimeout(()=>aborter.abort(),location.protocol==='https:'?7000:3000);
      let data;
      try{
        const response=await fetch('/time',{cache:'no-store',signal:aborter.signal});
        if(!response.ok) throw new Error('time '+response.status);
        data=await response.json();
      }finally{ clearTimeout(timeout); }
      const received=Date.now(), rtt=received-started;
      if(Number.isFinite(data.now)&&(!best||rtt<best.rtt)) best={rtt,offset:data.now-(started+received)/2};
    }
    if(best){ clockOffsetMs=best.offset; clockSynced=true; }
  }catch(_){}
  clockSyncing=false;
}
function cmd(type, value){
  fetch('/cmd', { method:'POST', headers:{'Content-Type':'application/json','x-pt-token':TOKEN},
    body: JSON.stringify({ type, value }) }).catch(()=>{});
}

function applyState(next){
  if(!next||typeof next!=='object') return false;
  if(typeof next._instance==='string'&&next._instance!==lastServerInstance){
    lastServerInstance=next._instance;
    lastStateVersion=-1;
  }
  const version=Number(next._version);
  if(Number.isFinite(version)){
    if(version<=lastStateVersion) return false;
    lastStateVersion=version;
  }
  S=next;
  if(!clockSynced&&Number.isFinite(S._serverNow)) clockOffsetMs=S._serverNow-Date.now();
  if(S.lang&&S.lang!==lang){ lang=S.lang; applyLang(); if($('dot').classList.contains('on')) $('connTxt').textContent=tr('live'); }
  return true;
}

// prijem stanja (SSE + HTTPS long-poll rezerva za javni link)
let lastPollSuccess=0, pollController=null;
const markLive=()=>{ $('dot').classList.add('on'); $('connTxt').textContent=tr('live'); };
const markLost=()=>{
  if(location.protocol==='https:'&&Date.now()-lastPollSuccess<25000) return;
  $('dot').classList.remove('on'); $('connTxt').textContent=tr('lost');
};
function connect(){
  const es = new EventSource('/events');
  es.onopen = () => { markLive(); syncClock(1); };
  es.onmessage = e => { try { applyState(JSON.parse(e.data)); } catch(_){} };
  es.onerror = () => { markLost(); es.close(); setTimeout(connect,1000); };
}
async function pollLoop(){
  let failures=0;
  while(true){
    const aborter=new AbortController();
    pollController=aborter;
    const timeout=setTimeout(()=>aborter.abort(),30000);
    try{
      const response=await fetch('/poll?since='+encodeURIComponent(lastStateVersion)+'&r='+Date.now(),{cache:'no-store',signal:aborter.signal});
      if(!response.ok) throw new Error('poll '+response.status);
      const payload=await response.json();
      if(payload.state) applyState(payload.state);
      if(Number.isFinite(payload.version)&&payload.version>lastStateVersion) lastStateVersion=payload.version;
      failures=0;
      lastPollSuccess=Date.now(); markLive();
    }catch(_){
      markLost();
      failures=Math.min(failures+1,5);
      await new Promise(resolve=>setTimeout(resolve,Math.min(5000,500*(2**(failures-1)))+Math.random()*250));
    }finally{ clearTimeout(timeout); if(pollController===aborter) pollController=null; }
  }
}
$('connTxt').textContent = tr('connecting');
if(location.protocol==='https:') pollLoop(); else connect();
syncClock(location.protocol==='https:'?1:3);
setInterval(()=>syncClock(1),30000);
document.addEventListener('visibilitychange',()=>{ if(!document.hidden){ if(pollController)pollController.abort(); syncClock(); } });
window.addEventListener('online',()=>{ if(pollController)pollController.abort(); syncClock(); });

function render(){
  if(!S) return;
  const now=hostNow(); let text, neg=false, col='#fff';
  if(S.mode==='clock'){ const d=new Date(now); text=`${pad(d.getHours())}:${pad(d.getMinutes())}:${pad(d.getSeconds())}`; }
  else if(S.mode==='countup'){ const el=S.running?S.elapsedMs+(now-S.startAt):S.elapsedMs; text=fmtSecs(Math.floor(el/1000),false); }
  else {
    let rem=S.running?S.endAt-now:S.remMs; if(!S.overtime&&rem<0) rem=0;
    if(S.useWarnColors){ if(rem<=S.redSec*1000) col=S.warnRed||'#ff4540'; else if(rem<=S.yellowSec*1000) col=S.warnYellow||'#ffc23a'; }
    if(rem<0){ col=S.warnRed||'#ff4540'; neg=true; }
    text=fmtMs(rem);
  }
  const t=$('time'); if(t.textContent!==text)t.textContent=text; if(t.style.color!==col)t.style.color=col;
  const tClass='t'+(neg?' neg':''); if(t.className!==tClass)t.className=tClass;
  const label=S.text||'', message=S.message?S.message.text:'';
  if($('lbl').textContent!==label)$('lbl').textContent=label;
  if($('msg').textContent!==message)$('msg').textContent=message;
  $('btnStart').classList.toggle('run', S.running);
  const startText=S.running?tr('pause'):tr('start'); if($('btnStart').textContent!==startText)$('btnStart').textContent=startText;
  $('btnBk').classList.toggle('on', S.blackout);
}
render();
setInterval(render,50);

// kontrole
$('btnStart').addEventListener('click', ()=>cmd('start'));
$('btnReset').addEventListener('click', ()=>cmd('reset'));
$('btnGo').addEventListener('click', ()=>cmd('go'));
$('btnBk').addEventListener('click', ()=>cmd('blackout'));
document.querySelectorAll('[data-adj]').forEach(b=>b.addEventListener('click',()=>cmd('adjust',+b.dataset.adj)));
[1,2,5,10,15,20,30,45].forEach(min=>{
  const b=document.createElement('button'); b.className='adj'; b.textContent=min+'m';
  b.addEventListener('click',()=>cmd('setDuration',min*60000)); $('chips').appendChild(b);
});
document.querySelectorAll('.preset').forEach(b=>b.addEventListener('click',()=>cmd('message',b.textContent)));
$('btnMsg').addEventListener('click', ()=>{ const v=$('msgIn').value.trim(); if(v){ cmd('message',v); $('msgIn').value=''; $('msgIn').blur(); } });
$('msgIn').addEventListener('keydown', e=>{ if(e.key==='Enter') $('btnMsg').click(); });
$('btnMsgClr').addEventListener('click', ()=>cmd('clearMessage'));
</script>
</body>
</html>