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49 lines
1.8 KiB
JavaScript
49 lines
1.8 KiB
JavaScript
/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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/*
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* Test bug 427559 to make sure focused elements that are no longer on the page
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* will have focus transferred to the window when changing tabs back to that
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* tab with the now-gone element.
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*/
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// Default focus on a button and have it kill itself on blur
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let testPage = 'data:text/html,<body><button onblur="this.parentNode.removeChild(this);"><script>document.body.firstChild.focus();</script></body>';
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function test() {
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waitForExplicitFinish();
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gBrowser.selectedTab = gBrowser.addTab();
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var browser = gBrowser.selectedBrowser;
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browser.addEventListener("load", function () {
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browser.removeEventListener("load", arguments.callee, true);
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executeSoon(function () {
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var testPageWin = content;
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is(browser.contentDocumentAsCPOW.activeElement.localName, "button", "button is focused");
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addEventListener("focus", function focusedWindow(event) {
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if (!String(event.target.location).startsWith("data:"))
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return;
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removeEventListener("focus", focusedWindow, true);
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// Make sure focus is given to the window because the element is now gone
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is(browser.contentDocumentAsCPOW.activeElement.localName, "body", "body is focused");
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gBrowser.removeCurrentTab();
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finish();
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}, true);
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// The test page loaded, so open an empty tab, select it, then restore
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// the test tab. This causes the test page's focused element to be removed
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// from its document.
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gBrowser.selectedTab = gBrowser.addTab();
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gBrowser.removeCurrentTab();
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});
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}, true);
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content.location = testPage;
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}
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