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<!DOCTYPE html>
<html>
<head>
  <title>Test for nsIHTMLObjectResizer.hideResizers()</title>
  <script src="/tests/SimpleTest/SimpleTest.js"></script>
  <script src="/tests/SimpleTest/EventUtils.js"></script>
  <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css" />
</head>
<body>
<p id="display"></p>
<div id="content" style="display: none;">

</div>

<div id="editor" contenteditable></div>
<img src="green.png"><!-- for ensuring to load the image at first test of <img> case -->
<pre id="test">

<script class="testbody" type="application/javascript">
"use strict";

SimpleTest.waitForExplicitFinish();
SimpleTest.waitForFocus(async function() {
  async function waitForSelectionChange() {
    return new Promise(resolve => {
      document.addEventListener("selectionchange", () => {
        resolve();
      }, {once: true});
    });
  }

  document.execCommand("enableObjectResizing", false, true);
  let editor = document.getElementById("editor");
  editor.innerHTML = "<img id=\"target\" src=\"green.png\" width=\"100\" height=\"100\">";
  let img = document.getElementById("target");
  let promiseSelectionChangeEvent = waitForSelectionChange();
  synthesizeMouseAtCenter(img, {});
  await promiseSelectionChangeEvent;
  ok(img.hasAttribute("_moz_resizing"), "resizers of the <img> should be visible");
  getHTMLObjectResizer().hideResizers();
  ok(!img.hasAttribute("_moz_resizing"), "resizers of the <img> should be hidden after a call of hideResizers()");

  SimpleTest.finish();
});

function getHTMLObjectResizer() {
  var Ci = SpecialPowers.Ci;
  var editingSession = SpecialPowers.wrap(window).docShell.editingSession;
  return editingSession.getEditorForWindow(window).QueryInterface(Ci.nsIHTMLObjectResizer);
}
</script>
</pre>
</body>
</html>