test_modal_windows.html

Enable keyboard shortcuts

<!DOCTYPE HTML>

<html>

<!--

Test that the parent can open modal windows, and that the modal window

that is opened reports itself as being modal.

-->

<head>

  <meta charset="utf-8">

  <title>Test a modal window</title>

  <script src="chrome://mochikit/content/tests/SimpleTest/SimpleTest.js"></script>

  <link rel="stylesheet" type="text/css" href="chrome://mochikit/content/tests/SimpleTest/test.css">

  <script type="application/javascript">

  const {BrowserTestUtils} = ChromeUtils.importESModule(

    "resource://testing-common/BrowserTestUtils.sys.mjs"

);

  add_task(async function() {

    BrowserTestUtils.domWindowOpened().then((win) => {

      let treeOwner = win.docShell.treeOwner;

      let chromeFlags = treeOwner.QueryInterface(Ci.nsIInterfaceRequestor)

                                 .getInterface(Ci.nsIAppWindow)

                                 .chromeFlags;

      ok(chromeFlags & Ci.nsIWebBrowserChrome.CHROME_MODAL,

         "Should have the modal chrome flag");

      let wbc = treeOwner.QueryInterface(Ci.nsIInterfaceRequestor)

                         .getInterface(Ci.nsIWebBrowserChrome);

      ok(wbc.isWindowModal(), "Should report as modal");

      win.close();

});

    window.openDialog("data:text/html,<p>This is a modal window for test_modal_windows.html</p>",

                      "_blank", "modal,noopener", null);

    // Since the modal runs a nested event loop, just to be on the safe side,

    // we'll wait a tick of the main event loop before resolving the task.

    await new Promise(resolve => setTimeout(resolve, 0));

});

  </script>

</head>

<body>

<p id="display"></p>

<div id="content" style="display: none">

</div>

<pre id="test">

</pre>

</body>

</html>