547097b036
* security: allow to block desktopCapturer.getSources() calls * return empty instead of error * fix: release resources of DesktopCapturer on exit
54 lines
1.5 KiB
JavaScript
54 lines
1.5 KiB
JavaScript
'use strict'
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const { nativeImage } = require('electron')
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const ipcRenderer = require('@electron/internal/renderer/ipc-renderer-internal')
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const includes = [].includes
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let currentId = 0
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const incrementId = () => {
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currentId += 1
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return currentId
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}
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// |options.types| can't be empty and must be an array
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function isValid (options) {
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const types = options ? options.types : undefined
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return Array.isArray(types)
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}
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function mapSources (sources) {
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return sources.map(source => ({
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id: source.id,
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name: source.name,
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thumbnail: nativeImage.createFromDataURL(source.thumbnail),
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display_id: source.display_id,
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appIcon: source.appIcon ? nativeImage.createFromDataURL(source.appIcon) : null
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}))
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}
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exports.getSources = function (options, callback) {
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if (!isValid(options)) return callback(new Error('Invalid options'))
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const captureWindow = includes.call(options.types, 'window')
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const captureScreen = includes.call(options.types, 'screen')
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if (options.thumbnailSize == null) {
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options.thumbnailSize = {
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width: 150,
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height: 150
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}
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}
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if (options.fetchWindowIcons == null) {
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options.fetchWindowIcons = false
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}
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const id = incrementId()
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ipcRenderer.send('ELECTRON_BROWSER_DESKTOP_CAPTURER_GET_SOURCES', captureWindow, captureScreen, options.thumbnailSize, options.fetchWindowIcons, id)
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return ipcRenderer.once(`ELECTRON_RENDERER_DESKTOP_CAPTURER_RESULT_${id}`, (event, sources) => {
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try {
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callback(null, mapSources(sources))
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} catch (error) {
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callback(error)
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}
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})
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}
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