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import FIREFOX_52_6_0esr_RELEASE from mozilla-esr52 hg repo

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Roy Tam 2018-01-19 03:59:58 +08:00
commit dcd9973243
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dom/browser-element/mochitest/browserElement_SetVisibleFrames.js Normal file
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/* Any copyright is dedicated to the public domain.
http://creativecommons.org/publicdomain/zero/1.0/ */
// Bug 762939 - Test that visibility propagates down properly through
// hierarchies of <iframe mozbrowser>.
//
// In this test, we modify the parent's visibility and check that the child's
// visibility is changed as appopriate. We test modifying the child's
// visibility in a separate testcase.
"use strict";
SimpleTest.waitForExplicitFinish();
browserElementTestHelpers.setEnabledPref(true);
var iframe;
function runTest() {
iframe = document.createElement('iframe');
iframe.setAttribute('mozbrowser', 'true');
// Our test involves three <iframe mozbrowser>'s, parent, child1, and child2.
// child1 and child2 are contained inside parent. child1 is visibile, and
// child2 is not.
//
// For the purposes of this test, we want there to be a process barrier
// between child{1,2} and parent. Therefore parent must be a non-remote
// <iframe mozbrowser>, until bug 761935 is resolved and we can have nested
// content processes.
iframe.remote = false;
iframe.addEventListener('mozbrowsershowmodalprompt', checkMessage);
expectMessage('parent:ready', test1);
document.body.appendChild(iframe);
iframe.src = 'file_browserElement_SetVisibleFrames_Outer.html';
}
function test1() {
expectMessage('child1:hidden', getVisibleTest1);
iframe.setVisible(false);
}
function getVisibleTest1() {
iframe.getVisible().onsuccess = function(evt) {
ok(evt.target.result === false, 'getVisible shows a hidden frame');
test2();
};
}
function test2() {
expectMessage('child1:visible', getVisibleTest2);
iframe.setVisible(true);
}
function getVisibleTest2() {
iframe.getVisible().onsuccess = function(evt) {
ok(evt.target.result === true, 'getVisible shows a displayed frame');
finish();
};
}
function finish() {
// We need to remove this listener because when this test finishes and the
// iframe containing this document is navigated, we'll fire a
// visibilitychange(false) event on all child iframes. That's OK and
// expected, but if we don't remove our listener, then we'll end up causing
// the /next/ test to fail!
iframe.removeEventListener('mozbrowsershowmodalprompt', checkMessage);
SimpleTest.finish();
}
var expectedMsg = null;
var expectedMsgCallback = null;
function expectMessage(msg, next) {
expectedMsg = msg;
expectedMsgCallback = next;
}
function checkMessage(e) {
var msg = e.detail.message;
is(msg, expectedMsg);
if (msg == expectedMsg) {
expectedMsg = null;
SimpleTest.executeSoon(function() { expectedMsgCallback() });
}
}
addEventListener('testready', runTest);