chrome/test/data/extensions/api_test/events_are_unregistered/page1.js

   1 // Copyright 2015 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 'use strict';
   6
   7 // Register for events in 4 configurations, then navigate to page2.html, which
   8 // will notify success and succeed the test on the C++ side. The C++ code
   9 // asserts that the events have been unregistered.
  10
  11 //
  12 // Unfiltered events.
  13 //
  14
  15 // A single listener.
  16 chrome.browserAction.onClicked.addListener(function() {});
  17 // Multiple listeners for the same event.
  18 chrome.runtime.onStartup.addListener(function() {});
  19 chrome.runtime.onStartup.addListener(function() {});
  20 // A single listener, which previously had multiple listeners.
  21 {
  22   let singleListener = function() {};
  23   chrome.runtime.onSuspend.addListener(singleListener);
  24   chrome.runtime.onSuspend.addListener(function() {});
  25   chrome.runtime.onSuspend.removeListener(singleListener);
  26 }
  27 // No listeners, which previously had listeners (all were removed).
  28 {
  29   let listener1 = function() {};
  30   let listener2 = function() {};
  31   chrome.runtime.onInstalled.addListener(listener1);
  32   chrome.runtime.onInstalled.addListener(listener2);
  33   chrome.runtime.onInstalled.removeListener(listener1);
  34   chrome.runtime.onInstalled.removeListener(listener2);
  35 }
  36
  37 //
  38 // Filtered events.
  39 //
  40
  41 function filterPort(portNumber) {
  42   return {url: [{ports: [portNumber]}]};
  43 }
  44
  45 // A single listener.
  46 chrome.webNavigation.onBeforeNavigate.addListener(function() {});
  47 // Multiple, different listeners.
  48 chrome.webNavigation.onCommitted.addListener(function() {});
  49 chrome.webNavigation.onCommitted.addListener(function() {});
  50 // Different listeners with the same filter.
  51 chrome.webNavigation.onDOMContentLoaded.addListener(
  52     function() {}, filterPort(80));
  53 chrome.webNavigation.onDOMContentLoaded.addListener(
  54     function() {}, filterPort(80));
  55 // Different listeners with different filters, same event added twice.
  56 {
  57   let singleListener = function() {};
  58   chrome.webNavigation.onCompleted.addListener(
  59       function() {}, filterPort(80));
  60   chrome.webNavigation.onCompleted.addListener(
  61       function() {}, filterPort(81));
  62   chrome.webNavigation.onCompleted.addListener(
  63       function() {}, filterPort(81));
  64   chrome.webNavigation.onCompleted.addListener(
  65       singleListener, filterPort(82));
  66   chrome.webNavigation.onCompleted.removeListener(singleListener);
  67 }
  68
  69 location.assign('page2.html');