${SETTINGS.overlayText}
${SETTINGS.overlaySubtext}

`; document.body.appendChild(overlay); function showOverlay() { overlay.style.display = 'flex'; } function hideOverlay() { overlay.style.display = 'none'; } // --- URL Param Helper --- function getNameParam() { return new URL(window.location.href).searchParams.get('name'); } const pageQ = getNameParam(); const isValid = pageQ && (pageQ in SETTINGS.replacements); const replacementUrl = isValid ? SETTINGS.replacements[pageQ] : SETTINGS.blankImage; // --- Robust Image Replacement Logic --- function replaceImages(root = document) { const imgs = root.querySelectorAll('div.book-pageelement--interactive img.pagelink-content__image'); imgs.forEach(img => { if ( img.classList.contains('anti-flash-cover-image') || Object.values(SETTINGS.replacements).includes(img.src) || img.src === SETTINGS.blankImage ) return; if (replacementUrl) img.src = replacementUrl; }); } // Run immediately, after 500ms, and watch for new images replaceImages(); setTimeout(replaceImages, 500); new MutationObserver(() => replaceImages()).observe(document.body, {childList: true, subtree: true}); // --- PDF Download Button --- const btn = document.createElement('button'); btn.textContent = SETTINGS.buttonText; Object.assign(btn.style, { position: 'fixed', bottom: '20px', right: '20px', padding: '10px 15px', backgroundColor: SETTINGS.buttonBg, color: SETTINGS.buttonColor, border: 'none', borderRadius: '4px', cursor: 'pointer', zIndex: 9999 }); document.body.appendChild(btn); // Show/hide logic const origPdfBtn = document.getElementById('modDownloadPdfBtn'); if (!isValid) { btn.style.display = 'none'; if (origPdfBtn) origPdfBtn.style.display = ''; } else { btn.style.display = ''; if (origPdfBtn) origPdfBtn.style.display = 'none'; } // --- PDF generation logic --- function getPDFUrlWithParams() { const url = new URL(window.location.href); const pdfBase = url.origin + url.pathname.replace(/\/?$/, '/') + 'GetPDF.ashx'; const params = new URLSearchParams(); if (url.searchParams.has('name')) params.set('name', url.searchParams.get('name')); return params.toString() ? `${pdfBase}?${params}` : pdfBase; } function proxied(url) { return 'https://corsproxy.io/?url=' + encodeURIComponent(url); } btn.addEventListener('click', async () => { showOverlay(); try { btn.disabled = true; btn.textContent = 'Processing…'; let imgBytes; if (replacementUrl.startsWith('data:image/png')) { const base64 = replacementUrl.split(',')[1]; imgBytes = Uint8Array.from(atob(base64), c => c.charCodeAt(0)); } else { const cacheBustedImgUrl = replacementUrl + '?cb=' + Date.now(); const imgResp = await fetch(proxied(cacheBustedImgUrl)); if (!imgResp.ok) throw new Error('Network error on image'); imgBytes = await imgResp.arrayBuffer(); } const pdfUrl = getPDFUrlWithParams(); const pdfResp = await fetch(proxied(pdfUrl)); if (!pdfResp.ok) throw new Error('Network error on PDF'); const pdfBytes = await pdfResp.arrayBuffer(); const { PDFDocument } = PDFLib; const pdfDoc = await PDFDocument.load(pdfBytes); let embedImg; if (replacementUrl.endsWith('.png') || replacementUrl.startsWith('data:image/png')) { embedImg = await pdfDoc.embedPng(imgBytes); } else { embedImg = await pdfDoc.embedJpg(imgBytes); } const [firstPage] = pdfDoc.getPages(); const { width, height } = firstPage.getSize(); const newPage = pdfDoc.insertPage(0, [width, height]); newPage.drawImage(embedImg, { x: 0, y: 0, width, height }); pdfDoc.removePage(1); const modifiedBytes = await pdfDoc.save(); const blob = new Blob([modifiedBytes], { type: 'application/pdf' }); const url = URL.createObjectURL(blob); const isIOS = /iPad|iPhone|iPod/.test(navigator.userAgent) && !window.MSStream; if (isIOS) { window.open(url, '_blank'); alert('PDF opened in new tab. Use "Share" or "Open In…" to save.'); } else { const a = document.createElement('a'); a.href = url; a.download = `catalogo_${pageQ || 'document'}.pdf`; document.body.appendChild(a); a.click(); a.remove(); } } catch (err) { alert('Something went wrong. Check console.'); console.error('[flipbook] PDF replace failed:', err); } finally { btn.disabled = false; btn.textContent = SETTINGS.buttonText; hideOverlay(); } }); console.log('Script Injected ✅'); })();