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import { UfsGlobal } from "./content-scripts/ufs_global.js";

export default {

icon: "https://drive-thirdparty.googleusercontent.com/32/type/application/vnd.google-apps.document",

name: {

en: "GG Drive - Download Document (to PDF)",

vi: "GG Drive - Tải Document (sang PDF)",

description: {

en: "Download google drive Document file that dont have download button. Pages will be convert to PDF, cannot edit.",

vi: "Tải file Doc không có nút download trên google drive. Tải về định dạng PDF, không thể sửa nội dung.",

whiteList: ["https://docs.google.com/document/*"],

pageScript: {

onClick: () => {

UfsGlobal.DOM.injectScriptSrc(

"https://cdnjs.cloudflare.com/ajax/libs/jspdf/2.5.1/jspdf.umd.min.js",

async (success, error) => {

if (!success) {

alert("Inject FAILED: " + error);

return;

}

const { jsPDF } = window.jspdf || {};

if (!jsPDF) {

alert("jspdf not found");

return;

}

const [currentPage, totalPage] =

document

.querySelector(".jfk-tooltip-contentId")

?.textContent?.split(" / ") ?? [];

const sleep = (ms = 0) =>

new Promise((resolve) => setTimeout(resolve, ms));

// scroll to first page

const contanier = document.querySelector(

".kix-rotatingtilemanager.docs-ui-hit-region-surface"

);

contanier?.scrollIntoView?.({ block: "start", behavior: "instant" });

await sleep(500);

// get first page

let canvas = document.querySelector("canvas");

if (!canvas) {

alert("Docs page not found");

return;

}

let pdf;

while (canvas) {

// scroll current page into view => to load next page

canvas.scrollIntoView({ block: "start", behavior: "instant" });

await sleep(500);

// capture canvas page to pdf

if (canvas.width && canvas.height) {

let imgData = canvas.toDataURL("image/jpeg", 1.0);

if (!pdf) {

let ori = canvas.width > canvas.height ? "l" : "p";

pdf = new jsPDF({

orientation: ori,

unit: "px",

format: [canvas.width, canvas.height],

hotfixes: ["px_scaling"],

});

}

pdf.addImage(imgData, "JPEG", 0, 0);

}

// query next canvas

let listCanvas = Array.from(document.querySelectorAll("canvas"));

let nextCanvas = null;

for (let c of listCanvas) {

if (

c != canvas &&

c.getBoundingClientRect().top >

canvas.getBoundingClientRect().top

) {

nextCanvas = c;

break;

}

canvas = nextCanvas;

// prepare next pdf page

if (canvas) {

pdf.addPage([canvas.width, canvas.height]);

}

pdf.save((document.title || "download") + ".pdf");

}

);

};

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