send/app/dragManager.js
2018-03-01 21:36:45 -08:00

38 lines
1.2 KiB
JavaScript

/* global MAXFILESIZE */
const { bytes } = require('./utils');
export default function(state, emitter) {
emitter.on('DOMContentLoaded', () => {
document.body.addEventListener('dragover', event => {
if (state.route === '/') {
event.preventDefault();
}
});
document.body.addEventListener('drop', event => {
if (state.route === '/' && !state.uploading) {
event.preventDefault();
document
.querySelector('.uploadArea')
.classList.remove('uploadArea--dragging');
const target = event.dataTransfer;
if (target.files.length === 0) {
return;
}
if (target.files.length > 1) {
// eslint-disable-next-line no-alert
return alert(state.translate('uploadPageMultipleFilesAlert'));
}
const file = target.files[0];
if (file.size === 0) {
return;
}
if (file.size > MAXFILESIZE) {
// eslint-disable-next-line no-alert
alert(state.translate('fileTooBig', { size: bytes(MAXFILESIZE) }));
return;
}
emitter.emit('upload', { file, type: 'drop' });
}
});
});
}