electron/atom/renderer/api/lib/desktop-capturer.js
2016-01-14 11:10:12 -08:00

48 lines
1.6 KiB
JavaScript

var getNextId, ipcRenderer, isValid, nativeImage, nextId, ref,
indexOf = [].indexOf || function(item) { for (var i = 0, l = this.length; i < l; i++) { if (i in this && this[i] === item) return i; } return -1; };
ref = require('electron'), ipcRenderer = ref.ipcRenderer, nativeImage = ref.nativeImage;
nextId = 0;
getNextId = function() {
return ++nextId;
};
// |options.type| can not be empty and has to include 'window' or 'screen'.
isValid = function(options) {
return ((options != null ? options.types : void 0) != null) && Array.isArray(options.types);
};
exports.getSources = function(options, callback) {
var captureScreen, captureWindow, id;
if (!isValid(options)) {
return callback(new Error('Invalid options'));
}
captureWindow = indexOf.call(options.types, 'window') >= 0;
captureScreen = indexOf.call(options.types, 'screen') >= 0;
if (options.thumbnailSize == null) {
options.thumbnailSize = {
width: 150,
height: 150
};
}
id = getNextId();
ipcRenderer.send('ATOM_BROWSER_DESKTOP_CAPTURER_GET_SOURCES', captureWindow, captureScreen, options.thumbnailSize, id);
return ipcRenderer.once("ATOM_RENDERER_DESKTOP_CAPTURER_RESULT_" + id, function(event, sources) {
var source;
return callback(null, (function() {
var i, len, results;
results = [];
for (i = 0, len = sources.length; i < len; i++) {
source = sources[i];
results.push({
id: source.id,
name: source.name,
thumbnail: nativeImage.createFromDataURL(source.thumbnail)
});
}
return results;
})());
});
};