(function() { var isStandalone = window.matchMedia('(display-mode: standalone)').matches || window.navigator.standalone === true; var isMobile = /Mobile|Android|iPhone|iPad|iPod/i.test(navigator.userAgent); var hasShown = sessionStorage.getItem("__sirdz_splash_shown"); if ((isStandalone || isMobile) && !hasShown) { (function insertSplash() { /* Into , never : see the header of SplashScript.tsx. */ var wrapper = document.createElement('div'); wrapper.innerHTML = "\n

\n \n

\n $\"SIR-DZ\"$ \n $\"SIR-DZ\"$ \n \n

\n "; var splashEl = wrapper.firstElementChild; if (splashEl) document.documentElement.appendChild(splashEl); sessionStorage.setItem("__sirdz_splash_shown", '1'); window.__splashVisible = true; window.__hideSplash = function() { if (!window.__splashVisible) return; window.__splashVisible = false; var splash = document.getElementById('__sirdz_splash'); if (splash) { splash.classList.remove('blocking'); splash.classList.add('hidden'); } setTimeout(function() { if (splash && splash.parentNode) { splash.parentNode.removeChild(splash); } }, 400); }; // Safety: always release touch capture after 2.5s even if the // React controller never calls __hideSplash (hydration errors, // chunk failures, etc.). The splash can stay visually but must // never block the UI. setTimeout(function() { var splash = document.getElementById('__sirdz_splash'); if (splash) splash.classList.remove('blocking'); }, 2500); // Fallback: auto-hide after 6s if something hangs. setTimeout(function() { if (window.__splashVisible && window.__hideSplash) { window.__hideSplash(); } }, 6000); /* Both safeties above are setTimeout, and a setTimeout does not * survive the OS suspending an installed PWA. Lock the phone or * switch apps inside those six seconds and neither timer ever fires: * on resume __splashVisible is still true with nothing pending, and * the splash sits there forever over an app that may well have * finished booting underneath it. That is the "stuck on the splash * screen" report, and it is the same failure the SW update overlay * had — a screen whose only exit is a timer. * * So the deadline is also enforced by wall clock, re-checked every * time the app comes back to the foreground. Date.now() keeps * counting while a timer is frozen. */ var shownAt = Date.now(); function giveUpIfOverdue() { if (!window.__splashVisible) return; var splash = document.getElementById('__sirdz_splash'); if (splash) splash.classList.remove('blocking'); if (Date.now() - shownAt >= 6000) { if (window.__hideSplash) window.__hideSplash(); } else { // Resumed early in the boot: give the app the rest of its window. setTimeout(function() { if (window.__splashVisible && window.__hideSplash) window.__hideSplash(); }, 6000 - (Date.now() - shownAt)); } } document.addEventListener('visibilitychange', function() { if (document.visibilityState === 'visible') giveUpIfOverdue(); }); // A standalone PWA resumed from the page cache restores the DOM with // its timers already spent. window.addEventListener('pageshow', giveUpIfOverdue); })(); } else { window.__splashVisible = false; window.__hideSplash = function() {}; } })();

Mécanique générale

Mécanique générale