44 lines
1.3 KiB
JavaScript
44 lines
1.3 KiB
JavaScript
const {ipcRenderer, nativeImage} = require('electron')
|
|
|
|
const includes = [].includes
|
|
let currentId = 0
|
|
|
|
const incrementId = () => {
|
|
currentId += 1
|
|
return currentId
|
|
}
|
|
|
|
// |options.type| can not be empty and has to include 'window' or 'screen'.
|
|
function isValid (options) {
|
|
const types = (options != null) ? options.types : undefined
|
|
return (types != null) && Array.isArray(options.types)
|
|
}
|
|
|
|
exports.getSources = function (options, callback) {
|
|
if (!isValid(options)) return callback(new Error('Invalid options'))
|
|
const captureWindow = includes.call(options.types, 'window')
|
|
const captureScreen = includes.call(options.types, 'screen')
|
|
|
|
if (options.thumbnailSize == null) {
|
|
options.thumbnailSize = {
|
|
width: 150,
|
|
height: 150
|
|
}
|
|
}
|
|
|
|
const id = incrementId()
|
|
ipcRenderer.send('ELECTRON_BROWSER_DESKTOP_CAPTURER_GET_SOURCES', captureWindow, captureScreen, options.thumbnailSize, id)
|
|
return ipcRenderer.once(`ELECTRON_RENDERER_DESKTOP_CAPTURER_RESULT_${id}`, (event, sources) => {
|
|
callback(null, (() => {
|
|
const results = []
|
|
sources.forEach(source => {
|
|
results.push({
|
|
id: source.id,
|
|
name: source.name,
|
|
thumbnail: nativeImage.createFromDataURL(source.thumbnail)
|
|
})
|
|
})
|
|
return results
|
|
})())
|
|
})
|
|
}
|