08Permission-gate card — a notice mapping permission state and wait time to its tint

<main class="stage">
<section class="card" id="card">
  <p class="title" id="title">Checking paste permission</p>
  <div class="track" id="track">
    <div class="fill" id="fill"></div>
  </div>
  <p class="msg" id="msg">Checking the permission status</p>
  <button class="retryBtn" id="retryBtn" type="button">Request permission again</button>
</section>
</main>

@use "../../../../site/static/demo-tokens" as *;

@include stage($stage-yellow);

.card {
  --tint: 0.14;
  box-sizing: border-box;
  width: 300px;
  display: flex;
  flex-direction: column;
  align-items: stretch;
  gap: $sp-3;
  background: rgba($subject-orange-deep, var(--tint));
  border: 1px solid rgba($subject-orange-deep, .3);
  border-radius: $r-card;
  padding: $sp-5;
  transition: background-color $dur-quick $ease-out;
}

.title {
  margin: 0;
  color: $subject-ink;
  font-family: -apple-system, "Segoe UI", "Noto Sans KR", sans-serif;
  font-weight: 700;
  font-size: 14px;
}

.track {
  width: 100%;
  height: 6px;
  border-radius: $r-pill;
  background: rgba($subject-ink, .12);
  overflow: hidden;
}

.fill {
  height: 100%;
  width: 0%;
  border-radius: $r-pill;
  background: $subject-orange-deep;
  transition: width $dur-instant linear;
}

.msg {
  margin: 0;
  color: rgba($subject-ink, .72);
  font-family: -apple-system, "Segoe UI", "Noto Sans KR", sans-serif;
  font-size: 12px;
  line-height: 1.4;
}

.retryBtn {
  align-self: flex-start;
  border: 0;
  border-radius: $r-pill;
  padding: $sp-2 $sp-4;
  background: $subject-ink;
  color: $stage-paper;
  font-family: -apple-system, "Segoe UI", "Noto Sans KR", sans-serif;
  font-weight: 600;
  font-size: 12px;
  cursor: pointer;
}

@media (max-width: 340px) {
  .card {
    width: 260px;
    padding: $sp-4;
  }
}

@media (prefers-reduced-motion: reduce) {
  .card, .fill {
    transition: none;
  }
}

html, body {
  margin: 0;
  overflow: hidden;
}

.stage {
  box-sizing: border-box;
  min-height: 100vh;
  display: grid;
  place-items: center;
  margin: 0;
  background: #ffd23f;
  font-family: -apple-system, "Segoe UI", "Noto Sans KR", sans-serif;
  padding: clamp(8px, 4vw, 24px);
}

.card {
  --tint: 0.14;
  box-sizing: border-box;
  width: 300px;
  display: flex;
  flex-direction: column;
  align-items: stretch;
  gap: 12px;
  background: rgba(201, 48, 0, var(--tint));
  border: 1px solid rgba(201, 48, 0, 0.3);
  border-radius: 16px;
  padding: 20px;
  transition: background-color 220ms ease-out;
}

.title {
  margin: 0;
  color: #17141a;
  font-family: -apple-system, "Segoe UI", "Noto Sans KR", sans-serif;
  font-weight: 700;
  font-size: 14px;
}

.track {
  width: 100%;
  height: 6px;
  border-radius: 999px;
  background: rgba(23, 20, 26, 0.12);
  overflow: hidden;
}

.fill {
  height: 100%;
  width: 0%;
  border-radius: 999px;
  background: #c93000;
  transition: width 140ms linear;
}

.msg {
  margin: 0;
  color: rgba(23, 20, 26, 0.72);
  font-family: -apple-system, "Segoe UI", "Noto Sans KR", sans-serif;
  font-size: 12px;
  line-height: 1.4;
}

.retryBtn {
  align-self: flex-start;
  border: 0;
  border-radius: 999px;
  padding: 8px 16px;
  background: #17141a;
  color: #ffffff;
  font-family: -apple-system, "Segoe UI", "Noto Sans KR", sans-serif;
  font-weight: 600;
  font-size: 12px;
  cursor: pointer;
}

@media (max-width: 340px) {
  .card {
    width: 260px;
    padding: 16px;
  }
}
@media (prefers-reduced-motion: reduce) {
  .card, .fill {
    transition: none;
  }
}

// 권한 대기 카드 — 읽기 권한을 얻지 못한 상태가 되면 안내판이 대기 카드로 바뀌고,
// 권한 상태 값(denied)and 남은 대기 시간의 비율만큼 카드 농도·안내 문구를 바꾼다.
// 계산 겹: 경과시간 → 남은 대기 비율(0~1) → 카드 배경 알파·진행바 폭 재계산.
// 실사용자 리스너 있음(Request permission again 버튼). 실 클립보드 API/Permissions API 호출 없음 — 상태는 시뮬레이션.
(function () {
  var card = document.getElementById('card');
  var title = document.getElementById('title');
  var track = document.getElementById('track');
  var fill = document.getElementById('fill');
  var msg = document.getElementById('msg');
  var retryBtn = document.getElementById('retryBtn');
  if (!card || !title || !track || !fill || !msg || !retryBtn) return;

  var CHECK_MS = 500;
  var WAIT_MS = 1600;
  var CYCLE_MS = CHECK_MS + WAIT_MS;

  function applyChecking() {
    card.dataset.state = 'checking';
    title.textContent = 'Checking paste permission';
    msg.textContent = 'Checking the permission status';
    fill.style.width = '0%';
    card.style.setProperty('--tint', '0.14');
  }

  function applyWaiting(elapsed) {
    card.dataset.state = 'waiting';
    var remain = Math.max(WAIT_MS - elapsed, 0);
    var ratio = remain / WAIT_MS;
    title.textContent = 'Permission not granted yet';
    msg.textContent = 'Denied · wait remaining ' + (remain / 1000).toFixed(1) + 's';
    fill.style.width = ((1 - ratio) * 100).toFixed(1) + '%';
    card.style.setProperty('--tint', (0.14 + (1 - ratio) * 0.34).toFixed(3));
  }

  function setPhase(t) {
    if (t < CHECK_MS) {
      applyChecking();
    } else {
      applyWaiting(t - CHECK_MS);
    }
  }

  setPhase(0);

  var reduce = window.matchMedia('(prefers-reduced-motion: reduce)').matches;
  var start = null;
  var autoRaf = 0;

  function autoLoop(ts) {
    if (start === null) start = ts;
    var t = (ts - start) % CYCLE_MS;
    setPhase(t);
    autoRaf = requestAnimationFrame(autoLoop);
  }

  if (!reduce) autoRaf = requestAnimationFrame(autoLoop);

  retryBtn.addEventListener('click', function () {
    if (autoRaf) { cancelAnimationFrame(autoRaf); autoRaf = 0; }
    var clickStart = null;
    function userLoop(ts) {
      if (clickStart === null) clickStart = ts;
      var t = ts - clickStart;
      if (t < CYCLE_MS) {
        setPhase(t);
        requestAnimationFrame(userLoop);
      } else {
        setPhase(0);
      }
    }
    requestAnimationFrame(userLoop);
  });
})();

import { useEffect, useRef } from "react";
import styles from "./CopyPermissionGateCard.module.scss";

// 권한 대기 카드 — 읽기 권한을 얻지 못한 상태가 되면 안내판이 대기 카드로 바뀌고,
// 권한 상태 값(denied)과 남은 대기 시간의 비율만큼 카드 농도·안내 문구를 바꾼다.
// 계산 겹: 경과시간 → 남은 대기 비율(0~1) → 카드 배경 알파·진행바 폭 재계산.
// 실사용자 리스너 있음(권한 다시 요청 버튼). 실 클립보드 API/Permissions API 호출 없음 — 상태는 시뮬레이션.
const CHECK_MS = 500;
const WAIT_MS = 1600;
const CYCLE_MS = CHECK_MS + WAIT_MS;

export default function CopyPermissionGateCard() {
  const cardRef = useRef<HTMLDivElement>(null);
  const titleRef = useRef<HTMLParagraphElement>(null);
  const fillRef = useRef<HTMLDivElement>(null);
  const msgRef = useRef<HTMLParagraphElement>(null);
  const retryRef = useRef<HTMLButtonElement>(null);

  useEffect(() => {
    const card = cardRef.current;
    const title = titleRef.current;
    const fill = fillRef.current;
    const msg = msgRef.current;
    const retryBtn = retryRef.current;
    if (!card || !title || !fill || !msg || !retryBtn) return;

    function applyChecking() {
      card!.dataset.state = "checking";
      title!.textContent = "붙여넣기 권한 확인 중";
      msg!.textContent = "권한 상태를 확인하고 있어요";
      fill!.style.width = "0%";
      card!.style.setProperty("--tint", "0.14");
    }

    function applyWaiting(elapsed: number) {
      card!.dataset.state = "waiting";
      const remain = Math.max(WAIT_MS - elapsed, 0);
      const ratio = remain / WAIT_MS;
      title!.textContent = "권한이 아직 없어요";
      msg!.textContent = `거부됨 · 남은 대기 ${(remain / 1000).toFixed(1)}s`;
      fill!.style.width = `${((1 - ratio) * 100).toFixed(1)}%`;
      card!.style.setProperty("--tint", (0.14 + (1 - ratio) * 0.34).toFixed(3));
    }

    function setPhase(t: number) {
      if (t < CHECK_MS) {
        applyChecking();
      } else {
        applyWaiting(t - CHECK_MS);
      }
    }

    setPhase(0);

    const reduce = window.matchMedia("(prefers-reduced-motion: reduce)").matches;
    let start: number | null = null;
    let autoRaf = 0;

    function autoLoop(ts: number) {
      if (start === null) start = ts;
      const t = (ts - start) % CYCLE_MS;
      setPhase(t);
      autoRaf = requestAnimationFrame(autoLoop);
    }

    if (!reduce) autoRaf = requestAnimationFrame(autoLoop);

    function onRetry() {
      if (autoRaf) {
        cancelAnimationFrame(autoRaf);
        autoRaf = 0;
      }
      let clickStart: number | null = null;
      function userLoop(ts: number) {
        if (clickStart === null) clickStart = ts;
        const t = ts - clickStart;
        if (t < CYCLE_MS) {
          setPhase(t);
          requestAnimationFrame(userLoop);
        } else {
          setPhase(0);
        }
      }
      requestAnimationFrame(userLoop);
    }

    retryBtn.addEventListener("click", onRetry);
    return () => {
      if (autoRaf) cancelAnimationFrame(autoRaf);
      retryBtn.removeEventListener("click", onRetry);
    };
  }, []);

  return (
    <div className={styles.stage}>
      <section ref={cardRef} className={styles.card}>
        <p ref={titleRef} className={styles.title}>붙여넣기 권한 확인 중</p>
        <div className={styles.track}>
          <div ref={fillRef} className={styles.fill} />
        </div>
        <p ref={msgRef} className={styles.msg}>권한 상태를 확인하고 있어요</p>
        <button ref={retryRef} className={styles.retryBtn} type="button">권한 다시 요청</button>
      </section>
    </div>
  );
}