drop.chapril.org-firefoxsend/app/pages/welcome.js

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/* global MAXFILESIZE */
const html = require('choo/html');
const assets = require('../../common/assets');
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const fileList = require('../templates/fileList');
const { bytes, fadeOut } = require('../utils');
module.exports = function(state, emit) {
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// the page flickers if both the server and browser set 'fadeIn'
const fade = state.layout ? '' : 'fadeIn';
const div = html`
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<div id="page-one" class="${fade}">
<div class="title">${state.translate('uploadPageHeader')}</div>
<div class="description">
<div>${state.translate('uploadPageExplainer')}</div>
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<a
href="https://testpilot.firefox.com/experiments/send"
class="link">
${state.translate('uploadPageLearnMore')}
</a>
</div>
<div class="upload-window"
ondragover=${dragover}
ondragleave=${dragleave}>
<div id="upload-img">
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<img
src="${assets.get('upload.svg')}"
title="${state.translate('uploadSvgAlt')}"/>
</div>
<div id="upload-text">${state.translate('uploadPageDropMessage')}</div>
<span id="file-size-msg">
<em>${state.translate('uploadPageSizeMessage')}</em>
</span>
<input id="file-upload"
type="file"
name="fileUploaded"
onfocus=${onfocus}
onblur=${onblur}
onchange=${upload} />
<label for="file-upload"
id="browse"
class="btn browse"
title="${state.translate('uploadPageBrowseButton1')}">
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${state.translate('uploadPageBrowseButton1')}
</label>
</div>
${fileList(state, emit)}
</div>
`;
function dragover(event) {
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const div = document.querySelector('.upload-window');
div.classList.add('ondrag');
}
function dragleave(event) {
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const div = document.querySelector('.upload-window');
div.classList.remove('ondrag');
}
function onfocus(event) {
event.target.classList.add('has-focus');
}
function onblur(event) {
event.target.classList.remove('has-focus');
}
async function upload(event) {
event.preventDefault();
const target = event.target;
const file = target.files[0];
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if (file.size === 0) {
return;
}
if (file.size > MAXFILESIZE) {
window.alert(state.translate('fileTooBig', { size: bytes(MAXFILESIZE) }));
return;
}
await fadeOut('page-one');
emit('upload', { file, type: 'click' });
}
return div;
};