iframe-proxy | Sunbelt Computer Software

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const { remote } = require('electron');
const SETTING = 'core.uriHandlerRegistration';
const PROMPT = 'prompt';
const ALWAYS = 'always';
const NEVER = 'never';
module.exports = class ProtocolHandlerInstaller {
  isSupported() {
    return ['win32', 'darwin'].includes(process.platform);
  isDefaultProtocolClient() {
    return remote.app.isDefaultProtocolClient('atom', process.execPath, [
      '--uri-handler',
  setAsDefaultProtocolClient() {
    // This Electron API is only available on Windows and macOS. There might be some
    // hacks to make it work on Linux; see https://github.com/electron/electron/issues/6440
    return (
      this.isSupported() &&
      remote.app.setAsDefaultProtocolClient('atom', process.execPath, [
        '--uri-handler',
        '--'
  initialize(config, notifications) {
    if (!this.isSupported()) {
      return;
    const behaviorWhenNotProtocolClient = config.get(SETTING);
    switch (behaviorWhenNotProtocolClient) {
      case PROMPT:
        if (!this.isDefaultProtocolClient()) {
          this.promptToBecomeProtocolClient(config, notifications);
        break;
      case ALWAYS:
        if (!this.isDefaultProtocolClient()) {
          this.setAsDefaultProtocolClient();
        break;
      case NEVER:
        if (process.platform === 'win32') {
          // Only win32 supports deregistration
          const Registry = require('winreg');
          const commandKey = new Registry({ hive: 'HKCR', key: `\\atom` });
          commandKey.destroy((_err, _val) => {
            /* no op */
          });
        break;
      default:
      // Do nothing
  promptToBecomeProtocolClient(config, notifications) {
    let notification;
    const withSetting = (value, fn) => {
      return function() {
        config.set(SETTING, value);
        fn();
    const accept = () => {
      notification.dismiss();
      this.setAsDefaultProtocolClient();
    const decline = () => {
      notification.dismiss();
    notification = notifications.addInfo(
      'Register as default atom:// URI handler?',
        dismissable: true,
        icon: 'link',
        description:
          'Atom is not currently set as the default handler for atom:// URIs. Would you like Atom to handle ' +
          'atom:// URIs?',
        buttons: [
            text: 'Yes',
            className: 'btn btn-info btn-primary',
            onDidClick: accept
            text: 'Yes, Always',
            className: 'btn btn-info',
            onDidClick: withSetting(ALWAYS, accept)
            text: 'No',
            className: 'btn btn-info',
            onDidClick: decline
            text: 'No, Never',
            className: 'btn btn-info',
            onDidClick: withSetting(NEVER, decline)

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