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/*
* viewer.js
* Part of Pointless Viewer, a Beamer presentation viewer
* Copyright 2018 Pacien TRAN-GIRARD
* License: GNU GPL v3
*/
"use strict";
class Viewer {
constructor() {
this.fileInput = document.getElementById("fileInput");
this.fileInput.style.display = "block";
this._listenForInput();
}
load(source) {
this.fileInput.style.display = "none";
pdfjsLib.getDocument(source).then(function(pdf) {
var presentation = new Presentation(pdf);
});
}
_readFile(file) {
var fileReader = new FileReader();
var self = this;
fileReader.onload = function() {
var byteArray = new Uint8Array(this.result);
self.load(byteArray);
}
fileReader.readAsArrayBuffer(file);
}
_listenForInput() {
var self = this;
fileInput.addEventListener("change", function(event) {
self._readFile(event.target.files[0]);
});
document.body.addEventListener("drop", function(event) {
event.preventDefault();
event.stopPropagation();
self._readFile(event.dataTransfer.files[0]);
});
document.body.addEventListener("dragover", function(event) {
event.preventDefault();
event.stopPropagation();
});
}
}
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