components/neterror/resources/error_page_controller_ios.js

// Copyright 2020 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

window.errorPageController = {
  // Execute a button click to download page later.
  downloadButtonClick: function() {},

  // Execute a click on the reload button.
  reloadButtonClick: function(url) {
    window.location = url;
  },

  // Execute a "Details" button click.
  detailsButtonClick: function() {},

  // Execute a "Diagnose Errors" button click.
  diagnoseErrorsButtonClick: function() {},

  // ???
  launchOfflineItem: function() {},
  savePageForLater: function() {},
  cancelSavePage: function() {},
  listVisibilityChange: function() {},

  // Track easter egg plays and high scores.
  trackEasterEgg: function() {
    window.webkit.messageHandlers['ErrorPageMessage'].postMessage(
        {'command': 'trackEasterEgg'});
  },

  updateEasterEggHighScore: function(highScore) {
    window.webkit.messageHandlers['ErrorPageMessage'].postMessage({
      'command': 'updateEasterEggHighScore',
      'highScore': highScore.toString(),
    });
  },

  resetEasterEggHighScore: function() {
    window.webkit.messageHandlers['ErrorPageMessage'].postMessage(
        {'command': 'resetEasterEggHighScore'});
  },
};

// Create a __gCrWeb binding of initializeEasterEggHighScore so it can be
// called using JS messaging.
__gCrWeb.errorPageController = {};
__gCrWeb['errorPageController'] = __gCrWeb.errorPageController;
__gCrWeb.errorPageController['initializeEasterEggHighScore'] = function(
    highscore) {
  initializeEasterEggHighScore(highscore);
};