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Attempt to locate and display videos embedded in iframes

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This commit is contained in:
Max Goodhart
2020-06-21 23:38:01 -07:00
parent 773eb1710a
commit 001b57eac3
1 changed files with 77 additions and 32 deletions
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109
src/node/viewStateMachine.js
View File

@@ -3,6 +3,38 @@ import { Machine, assign } from 'xstate'
import { ensureValidURL } from '../util'
const VIDEO_OVERRIDE_STYLE = `
* {
pointer-events: none;
display: none !important;
position: static !important;
z-index: 0 !important;
}
html, body, video {
display: block !important;
background: black !important;
}
html, body {
overflow: hidden !important;
background: black !important;
}
video, iframe.__video__ {
display: block !important;
position: fixed !important;
left: 0 !important;
right: 0 !important;
top: 0 !important;
bottom: 0 !important;
width: 100% !important;
height: 100% !important;
object-fit: cover !important;
z-index: 999999 !important;
}
.__video_parent__ {
display: block !important;
}
`
const viewStateMachine = Machine(
{
id: 'view',
@@ -132,35 +164,7 @@ const viewStateMachine = Machine(
wc.audioMuted = true
await wc.loadURL(content.url)
if (content.kind === 'video') {
wc.insertCSS(
`
* {
display: none !important;
pointer-events: none;
}
html, body, video {
display: block !important;
background: black !important;
}
html, body {
overflow: hidden !important;
background: black !important;
}
video {
display: block !important;
position: fixed !important;
left: 0 !important;
right: 0 !important;
top: 0 !important;
bottom: 0 !important;
width: 100% !important;
height: 100% !important;
object-fit: cover !important;
z-index: 999999 !important;
}
`,
{ cssOrigin: 'user' },
)
wc.insertCSS(VIDEO_OVERRIDE_STYLE, { cssOrigin: 'user' })
} else if (content.kind === 'web') {
wc.insertCSS(
`
@@ -180,18 +184,59 @@ const viewStateMachine = Machine(
const wc = view.webContents
const info = await wc.executeJavaScript(`
const sleep = ms => new Promise((resolve) => setTimeout(resolve, ms))
async function waitForVideo() {
let tries = 0
let video
while ((!video || !video.src) && tries < 20) {
while ((!video || !video.src) && tries < 10) {
video = document.querySelector('video')
tries++
await sleep(200)
}
if (video) {
return {video}
}
tries = 0
let iframe
while ((!video || !video.src) && tries < 10) {
for (iframe of document.querySelectorAll('iframe')) {
if (!iframe.contentDocument) {
continue
}
video = iframe.contentDocument.querySelector('video')
if (video) {
break
}
}
tries++
await sleep(200)
}
if (video) {
return { video, iframe }
}
return {}
}
async function findVideo() {
const { video, iframe } = await waitForVideo()
if (!video) {
throw new Error('could not find video')
}
document.body.appendChild(video)
if (iframe) {
const style = iframe.contentDocument.createElement('style')
style.innerHTML = \`${VIDEO_OVERRIDE_STYLE}\`
iframe.contentDocument.head.appendChild(style)
iframe.className = '__video__'
let parentEl = iframe.parentElement
while (parentEl) {
parentEl.className = '__video_parent__'
parentEl = parentEl.parentElement
}
iframe.contentDocument.body.appendChild(video)
} else {
document.body.appendChild(video)
}
video.muted = false
video.autoPlay = true
video.play()
@@ -215,7 +260,7 @@ const viewStateMachine = Machine(
}
return info
}
waitForVideo()
findVideo()
`)
return info
},