gecko-dev/dom/browser-element/mochitest/browserElement_KeyEvents.js

114 lines
3.1 KiB
JavaScript

/* Any copyright is dedicated to the public domain.
http://creativecommons.org/publicdomain/zero/1.0/ */
// Test that an iframe with the |mozbrowser| attribute does bubble some
// whitelisted key events.
"use strict";
let Ci = SpecialPowers.Ci;
let whitelistedKeyCodes = [
Ci.nsIDOMKeyEvent.DOM_VK_ESCAPE, // Back button.
Ci.nsIDOMKeyEvent.DOM_VK_SLEEP, // Power button
Ci.nsIDOMKeyEvent.DOM_VK_CONTEXT_MENU,
Ci.nsIDOMKeyEvent.DOM_VK_F5, // Search button.
Ci.nsIDOMKeyEvent.DOM_VK_PAGE_UP, // Volume up.
Ci.nsIDOMKeyEvent.DOM_VK_PAGE_DOWN // Volume down.
];
let blacklistedKeyCodes = [
Ci.nsIDOMKeyEvent.DOM_VK_A,
Ci.nsIDOMKeyEvent.DOM_VK_B
];
SimpleTest.waitForExplicitFinish();
browserElementTestHelpers.setEnabledPref(true);
browserElementTestHelpers.addPermission();
// Number of expected events at which point we will consider the test as done.
var nbEvents = whitelistedKeyCodes.length * 3;
var iframe;
var finished = false;
function runTest() {
iframe = document.createElement('iframe');
SpecialPowers.wrap(iframe).mozbrowser = true;
iframe.src = browserElementTestHelpers.focusPage;
var gotFocus = false;
var gotLoadend = false;
function maybeTest2() {
if (gotFocus && gotLoadend) {
SimpleTest.executeSoon(test2);
}
}
iframe.addEventListener('mozbrowserloadend', function() {
gotLoadend = true;
maybeTest2();
});
document.body.appendChild(iframe);
SimpleTest.waitForFocus(function() {
iframe.focus();
gotFocus = true;
maybeTest2();
});
}
function eventHandler(e) {
if (whitelistedKeyCodes.indexOf(e.keyCode) == -1 &&
blacklistedKeyCodes.indexOf(e.keyCode) == -1) {
// See bug 856006: We sometimes get unexpected key presses, and we don't
// know why. Don't turn the test orange over this.
ok(true, "Ignoring unexpected " + e.type +
" with keyCode " + e.keyCode + ".");
return;
}
ok(e.type == 'keydown' || e.type == 'keypress' || e.type == 'keyup',
"e.type was " + e.type + ", expected keydown, keypress, or keyup");
ok(!e.defaultPrevented, "expected !e.defaultPrevented");
ok(whitelistedKeyCodes.indexOf(e.keyCode) != -1,
"Expected a whitelited keycode, but got " + e.keyCode + " instead.");
nbEvents--;
if (nbEvents == 0) {
SimpleTest.finish();
return;
}
if (nbEvents < 0 && !finished) {
ok(false, "got an unexpected event! " + e.type + " " + e.keyCode);
}
}
function test2() {
is(document.activeElement, iframe, "iframe should be focused");
addEventListener('keydown', eventHandler);
addEventListener('keypress', eventHandler);
addEventListener('keyup', eventHandler);
// These events should not be received because they are not whitelisted.
synthesizeKey("VK_A", {});
synthesizeKey("VK_B", {});
// These events should not be received because preventDefault is called.
synthesizeKey("VK_ESCAPE", {});
// These events should be received.
synthesizeKey("VK_F5", {});
synthesizeKey("VK_ESCAPE", {});
synthesizeKey("VK_PAGE_UP", {});
synthesizeKey("VK_PAGE_DOWN", {});
synthesizeKey("VK_CONTEXT_MENU", {});
synthesizeKey("VK_SLEEP", {});
finished = true;
}
addEventListener('testready', runTest);