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https://github.com/overleaf/overleaf.git
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bc1b73d74e
Transform absolute paths in frontend to relative GitOrigin-RevId: c1914c0fd09d68984ba6c85a1f00aa3e6858d944
61 lines
1.8 KiB
JavaScript
61 lines
1.8 KiB
JavaScript
define(['../../../base', './pdfJsLoader'], (App, PDFJS) => {
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const EXTERNAL_LINK_TARGET = '_blank'
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const REL_NOOPENER = 'noreferrer noopener'
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App.factory('pdfAnnotations', function() {
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class pdfAnnotations {
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constructor(options) {
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this.annotationsLayerDiv = options.annotations
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this.viewport = options.viewport
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this.navigateFn = options.navigateFn
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}
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setAnnotations(annotations) {
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const result = []
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for (let annotation of annotations) {
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switch (annotation.subtype) {
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case 'Link':
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result.push(this.addLink(annotation))
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break
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case 'Text':
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continue
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default:
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result.push(undefined)
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}
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}
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}
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addLink(link) {
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const element = this.buildLinkElementFromRect(link.rect)
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this.setLinkTarget(element, link)
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this.annotationsLayerDiv.appendChild(element)
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}
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buildLinkElementFromRect(rect) {
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rect = this.viewport.convertToViewportRectangle(rect)
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rect = PDFJS.Util.normalizeRect(rect)
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const element = document.createElement('a')
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element.style.left = Math.floor(rect[0]) + 'px'
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element.style.top = Math.floor(rect[1]) + 'px'
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element.style.width = Math.ceil(rect[2] - rect[0]) + 'px'
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element.style.height = Math.ceil(rect[3] - rect[1]) + 'px'
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return element
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}
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setLinkTarget(element, link) {
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if (link.url) {
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element.href = link.url
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element.target = EXTERNAL_LINK_TARGET
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element.rel = REL_NOOPENER
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} else if (link.dest) {
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element.href = `#${link.dest}`
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element.onclick = () => {
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this.navigateFn(link)
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return false
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}
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}
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}
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}
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return pdfAnnotations
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})
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})
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