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/**
* @copyright Copyright (c) 2020 John Molakvoæ <skjnldsv@protonmail.com>
*
* @author John Molakvoæ <skjnldsv@protonmail.com>
*
* @license GNU AGPL version 3 or any later version
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as
* published by the Free Software Foundation, either version 3 of the
* License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
*/
import { generateUrl } from '@nextcloud/router'
import logger from './services/logger'
import canDownload from './utils/canDownload'
import isPublicPage from './utils/isPublicPage'
import isPdf from './utils/isPdf'
import isSecureViewerAvailable from './utils/isSecureViewerAvailable'
window.addEventListener('DOMContentLoaded', function() {
logger.debug('Initializing for public page', {
isPublicPage: isPublicPage(),
canDownload: canDownload(),
isSecureViewerAvailable: isSecureViewerAvailable(),
})
// If we display a folder, we don't have anything more to do here
if (isPublicPage() && !isPdf()) {
logger.debug('But this is not a single pdf share')
return
}
// If we display a single PDF and we don't use the richdocument secureViewer
if (isPublicPage() && isPdf() && !isSecureViewerAvailable()) {
const page = location.hash.split('page=')[1] || 0
const contentElmt = document.getElementById('files-public-content')
const sharingTokenElmt = document.getElementById('sharingToken')
// By default the footer is a direct child of the body, but if the Talk
// sidebar is loaded it is moved into the app content. In all cases the
// footer is hidden to give the PDF viewer the full height.
const footerElmt = document.querySelector('body > footer') || document.querySelector('#app-content > footer')
const body = document.querySelector('body')
const mainContent = document.querySelector('#content')
const sharingToken = sharingTokenElmt.value
const downloadUrl = generateUrl('/s/{token}/download', { token: sharingToken })
const viewerUrl = generateUrl('/apps/files_pdfviewer/?file={downloadUrl}&canDownload={canDownload}#page={page}', {
canDownload: canDownload() ? 1 : 0,
downloadUrl,
page,
})
// Create viewer frame
const viewerNode = document.createElement('iframe')
viewerNode.style.height = '100%'
viewerNode.style.width = '100%'
viewerNode.style.position = 'absolute'
// Inject viewer
if (contentElmt) {
contentElmt.innerHTML = ''
contentElmt.appendChild(viewerNode)
viewerNode.src = viewerUrl
footerElmt.style.display = 'none'
// The main content height set in server assumes that there will be
// a footer. As the footer is hidden the main content needs to grow
// to take the available height. This needs to be done with flexbox
// so no explicit height needs to be given and it works both for the
// standard layout and the layout when the Talk sidebar is shown.
body.style.display = 'flex'
body.style.flexDirection = 'column'
mainContent.style.flexGrow = 1
} else {
logger.error('Unable to inject the PDF Viewer')
}
} else {
logger.error('But this does not appear to be a public page')
}
})
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