/* html-ppt :: runtime.js
* Keyboard-driven deck runtime. Zero dependencies.
*
* Features:
* ← → / space / PgUp PgDn / Home End navigation
* F fullscreen
* S presenter mode (opens a NEW WINDOW with current/next slide preview + notes + timer)
* The original window stays as audience view, synced via BroadcastChannel.
* Slide previews use CSS transform:scale() at design resolution for pixel-perfect layout.
* N quick notes overlay (bottom drawer)
* O slide overview grid
* T cycle themes (reads data-themes on or )
* A cycle demo animation on current slide
* URL hash #/N deep-link to slide N (1-based)
* Progress bar auto-managed
*/
(function () {
'use strict';
const ANIMS = ['fade-up','fade-down','fade-left','fade-right','rise-in','drop-in',
'zoom-pop','blur-in','glitch-in','typewriter','neon-glow','shimmer-sweep',
'gradient-flow','stagger-list','counter-up','path-draw','parallax-tilt',
'card-flip-3d','cube-rotate-3d','page-turn-3d','perspective-zoom',
'marquee-scroll','kenburns','confetti-burst','spotlight','morph-shape','ripple-reveal'];
function ready(fn){ if(document.readyState!='loading')fn(); else document.addEventListener('DOMContentLoaded',fn);}
ready(function () {
const deck = document.querySelector('.deck');
if (!deck) return;
const slides = Array.from(deck.querySelectorAll('.slide'));
if (!slides.length) return;
let idx = 0;
const total = slides.length;
/* ===== BroadcastChannel for presenter sync ===== */
const CHANNEL_NAME = 'html-ppt-presenter-' + (location.pathname + location.search);
let bc;
try { bc = new BroadcastChannel(CHANNEL_NAME); } catch(e) { bc = null; }
// Are we running inside the presenter popup?
const isPresenterWindow = location.hash.indexOf('__presenter__') !== -1;
/* ===== progress bar ===== */
let bar = document.querySelector('.progress-bar');
if (!bar) {
bar = document.createElement('div');
bar.className = 'progress-bar';
bar.innerHTML = '';
document.body.appendChild(bar);
}
const barFill = bar.querySelector('span');
/* ===== notes overlay (N key) ===== */
let notes = document.querySelector('.notes-overlay');
if (!notes) {
notes = document.createElement('div');
notes.className = 'notes-overlay';
document.body.appendChild(notes);
}
/* ===== overview grid (O key) ===== */
let overview = document.querySelector('.overview');
if (!overview) {
overview = document.createElement('div');
overview.className = 'overview';
slides.forEach((s, i) => {
const t = document.createElement('div');
t.className = 'thumb';
const title = s.getAttribute('data-title') ||
(s.querySelector('h1,h2,h3')||{}).textContent || ('Slide '+(i+1));
t.innerHTML = ''+(i+1)+'
'+title.trim().slice(0,80)+'
';
t.addEventListener('click', () => { go(i); toggleOverview(false); });
overview.appendChild(t);
});
document.body.appendChild(overview);
}
/* ===== navigation ===== */
function go(n, fromRemote){
n = Math.max(0, Math.min(total-1, n));
slides.forEach((s,i) => {
s.classList.toggle('is-active', i===n);
s.classList.toggle('is-prev', i {
const a = el.getAttribute('data-anim');
el.classList.remove('anim-'+a);
void el.offsetWidth;
el.classList.add('anim-'+a);
});
// counter-up
slides[n].querySelectorAll('.counter').forEach(el => {
const target = parseFloat(el.getAttribute('data-to')||el.textContent);
const dur = parseInt(el.getAttribute('data-dur')||'1200',10);
const start = performance.now();
const from = 0;
function tick(now){
const t = Math.min(1,(now-start)/dur);
const v = from + (target-from)*(1-Math.pow(1-t,3));
el.textContent = (target % 1 === 0) ? Math.round(v) : v.toFixed(1);
if (t<1) requestAnimationFrame(tick);
}
requestAnimationFrame(tick);
});
// Broadcast to other window (audience ↔ presenter)
if (!fromRemote && bc) {
bc.postMessage({ type: 'go', idx: n });
}
}
/* ===== listen for remote navigation ===== */
if (bc) {
bc.onmessage = function(e) {
if (e.data && e.data.type === 'go' && typeof e.data.idx === 'number') {
go(e.data.idx, true);
}
};
}
function toggleNotes(force){ notes.classList.toggle('open', force!==undefined?force:!notes.classList.contains('open')); }
function toggleOverview(force){ overview.classList.toggle('open', force!==undefined?force:!overview.classList.contains('open')); }
/* ========== PRESENTER MODE (new window) ========== */
let presenterWin = null;
function openPresenterWindow() {
if (presenterWin && !presenterWin.closed) {
presenterWin.focus();
return;
}
// Collect all slides' HTML and notes
const slideData = slides.map((s, i) => {
const note = s.querySelector('.notes, aside.notes, .speaker-notes');
return {
html: s.outerHTML,
notes: note ? note.innerHTML : '',
title: s.getAttribute('data-title') ||
(s.querySelector('h1,h2,h3')||{}).textContent || ('Slide '+(i+1))
};
});
// Collect all stylesheets from current document
const styleSheets = Array.from(document.querySelectorAll('link[rel="stylesheet"], style')).map(el => {
if (el.tagName === 'LINK') return '';
return '';
}).join('\n');
const presenterHTML = buildPresenterHTML(slideData, styleSheets, total, idx);
presenterWin = window.open('', 'html-ppt-presenter', 'width=1200,height=800,menubar=no,toolbar=no');
if (!presenterWin) {
alert('请允许弹出窗口以使用演讲者视图');
return;
}
presenterWin.document.open();
presenterWin.document.write(presenterHTML);
presenterWin.document.close();
}
function buildPresenterHTML(slideData, styleSheets, total, startIdx) {
// Escape backticks and ${ in slide HTML for template literal safety
const slidesJSON = JSON.stringify(slideData);
return '\n'
+ '\n\n\n'
+ 'Presenter View\n'
+ styleSheets + '\n'
+ '\n'
+ '\n\n'
+ '\n'
+ '
\n'
+ '
CURRENT
\n'
+ '
\n'
+ '
\n'
+ '
\n'
+ '
\n'
+ '
NEXT
\n'
+ '
\n'
+ '
\n'
+ '
\n'
+ '
SPEAKER SCRIPT · 逐字稿
\n'
+ '
\n'
+ '
\n'
+ '
\n'
+ '
\n'
+ '
00:00
\n'
+ '
1 / ' + total + '
\n'
+ '
\n'
+ '
← → 翻页 · R 重置计时 · T 主题 · Esc 关闭
\n'
+ '
\n'
+ '