Source code

Revision control

Other Tools

Test Info:

<!DOCTYPE>
<html>
<head>
<title>Test for nsIHTMLEditor.getElementOrParentByTagName()</title>
<script src="/tests/SimpleTest/SimpleTest.js"></script>
<link rel="stylesheet" href="/tests/SimpleTest/test.css">
</head>
<body>
<section>
<div id="display">
</div>
<div id="content" contenteditable></div>
</section>
<pre id="test">
</pre>
<script class="testbody" type="application/javascript">
SimpleTest.waitForExplicitFinish();
SimpleTest.waitForFocus(async function() {
let section = document.querySelector("section");
let editor = document.querySelector("[contenteditable]");
let selection = window.getSelection();
let element;
// Make sure that each test can run without previous tests for making each test
// debuggable with commenting out the unrelated tests.
try {
editor.focus();
element = SpecialPowers.unwrap(getHTMLEditor().getElementOrParentByTagName("", null));
ok(false, "nsIHTMLEditor.getElementOrParentByTagName(\"\", null) should throw an exception");
} catch {
ok(true, "nsIHTMLEditor.getElementOrParentByTagName(\"\", null) should throw an exception");
}
try {
editor.focus();
element = SpecialPowers.unwrap(getHTMLEditor().getElementOrParentByTagName(null, null));
ok(false, "nsIHTMLEditor.getElementOrParentByTagName(null, null) should throw an exception");
} catch {
ok(true, "nsIHTMLEditor.getElementOrParentByTagName(null, null) should throw an exception");
}
try {
editor.focus();
element = SpecialPowers.unwrap(getHTMLEditor().getElementOrParentByTagName(undefined, null));
ok(false, "nsIHTMLEditor.getElementOrParentByTagName(undefined, null) should throw an exception");
} catch {
ok(true, "nsIHTMLEditor.getElementOrParentByTagName(undefined, null) should throw an exception");
}
editor.focus();
element = SpecialPowers.unwrap(getHTMLEditor().getElementOrParentByTagName("undefinedtagname", null));
is(element, null,
"nsIHTMLEditor.getElementOrParentByTagName(\"undefinedtagname\", null) should return null");
editor.blur();
selection.collapse(document.getElementById("display"), 0);
element = SpecialPowers.unwrap(getHTMLEditor().getElementOrParentByTagName("section", null));
is(element, section,
"nsIHTMLEditor.getElementOrParentByTagName(\"section\", null) should return the <section> when selection is in the it (HTML editor does not have focus)");
editor.focus();
element = SpecialPowers.unwrap(getHTMLEditor().getElementOrParentByTagName("section", null));
is(element, section,
"nsIHTMLEditor.getElementOrParentByTagName(\"section\", null) should return the <section> when selection is in the it (HTML editor has focus)");
editor.focus();
selection.removeAllRanges();
element = SpecialPowers.unwrap(getHTMLEditor().getElementOrParentByTagName("section", null));
is(element, null,
"nsIHTMLEditor.getElementOrParentByTagName(\"section\", null) should return null when there is no selection");
editor.blur();
selection.collapse(document.getElementById("display"), 0);
element = SpecialPowers.unwrap(getHTMLEditor().getElementOrParentByTagName("body", null));
is(element, null,
"nsIHTMLEditor.getElementOrParentByTagName(\"body\", null) should return null when it reaches the <body>");
editor.blur();
selection.collapse(document.getElementById("display"), 0);
element = SpecialPowers.unwrap(getHTMLEditor().getElementOrParentByTagName("div", editor));
is(element, editor,
"nsIHTMLEditor.getElementOrParentByTagName(\"div\", editor) should return editor even when selection is outside of it");
editor.innerHTML = "<p>first</p><p>second</p>";
editor.focus();
selection.setBaseAndExtent(editor.firstChild.firstChild, 0, editor.firstChild.nextSibling.firstChild, 3);
element = SpecialPowers.unwrap(getHTMLEditor().getElementOrParentByTagName("p", null));
is(element, editor.firstChild,
"nsIHTMLEditor.getElementOrParentByTagName(\"p\", null) should return first <p> element when selection anchor is in it");
editor.innerHTML = "<table><tr><td>cell</td></tr></table>";
editor.focus();
selection.collapse(editor.querySelector("td").firstChild, 2);
element = SpecialPowers.unwrap(getHTMLEditor().getElementOrParentByTagName("td", null));
is(element, editor.querySelector("td"),
"nsIHTMLEditor.getElementOrParentByTagName(\"td\", null) should return the <td> when selection is collapsed in it");
editor.innerHTML = "<table><tr><td>cell</td></tr></table>";
editor.focus();
selection.collapse(editor.querySelector("td").firstChild, 2);
element = SpecialPowers.unwrap(getHTMLEditor().getElementOrParentByTagName("th", null));
is(element, null,
"nsIHTMLEditor.getElementOrParentByTagName(\"th\", null) should return null when selection is collapsed in <td>");
editor.innerHTML = "<table><tr><td>cell</td></tr></table>";
editor.focus();
selection.setBaseAndExtent(editor.querySelector("tr"), 0, editor.querySelector("tr"), 1);
element = SpecialPowers.unwrap(getHTMLEditor().getElementOrParentByTagName("td", null));
is(element, editor.querySelector("td"),
"nsIHTMLEditor.getElementOrParentByTagName(\"td\", null) should return the <td> when it's selected");
editor.innerHTML = "<table><tr><th>cell</th></tr></table>";
editor.focus();
selection.collapse(editor.querySelector("th").firstChild, 2);
element = SpecialPowers.unwrap(getHTMLEditor().getElementOrParentByTagName("td", null));
is(element, editor.querySelector("th"),
"nsIHTMLEditor.getElementOrParentByTagName(\"td\", null) should return the <th> when selection is collapsed in it");
editor.innerHTML = "<table><tr><th>cell</th></tr></table>";
editor.focus();
selection.collapse(editor.querySelector("th").firstChild, 2);
element = SpecialPowers.unwrap(getHTMLEditor().getElementOrParentByTagName("th", null));
is(element, editor.querySelector("th"),
"nsIHTMLEditor.getElementOrParentByTagName(\"th\", null) should return the <th> when selection is collapsed in it");
editor.innerHTML = "<table><tr><th>cell</th></tr></table>";
editor.focus();
selection.setBaseAndExtent(editor.querySelector("tr"), 0, editor.querySelector("tr"), 1);
element = SpecialPowers.unwrap(getHTMLEditor().getElementOrParentByTagName("td", null));
is(element, editor.querySelector("th"),
"nsIHTMLEditor.getElementOrParentByTagName(\"td\", null) should return the <th> when it's selected");
editor.innerHTML = "<table><tr><th>cell</th></tr></table>";
editor.focus();
selection.setBaseAndExtent(editor.querySelector("tr"), 0, editor.querySelector("tr"), 1);
element = SpecialPowers.unwrap(getHTMLEditor().getElementOrParentByTagName("th", null));
is(element, editor.querySelector("th"),
"nsIHTMLEditor.getElementOrParentByTagName(\"th\", null) should return the <th> when it's selected");
editor.innerHTML = "<ul><li>listitem</li></ul>";
editor.focus();
selection.collapse(editor.querySelector("li").firstChild, 4);
element = SpecialPowers.unwrap(getHTMLEditor().getElementOrParentByTagName("ul", null));
is(element, editor.querySelector("ul"),
"nsIHTMLEditor.getElementOrParentByTagName(\"ul\", null) should return the <ul> when selection is collapsed in its <li>");
editor.innerHTML = "<ul><li>listitem</li></ul>";
editor.focus();
selection.collapse(editor.querySelector("li").firstChild, 4);
element = SpecialPowers.unwrap(getHTMLEditor().getElementOrParentByTagName("list", null));
is(element, editor.querySelector("ul"),
"nsIHTMLEditor.getElementOrParentByTagName(\"list\", null) should return the <ul> when selection is collapsed in its <li>");
editor.innerHTML = "<ul><li>listitem</li></ul>";
editor.focus();
selection.collapse(editor.querySelector("li").firstChild, 4);
element = SpecialPowers.unwrap(getHTMLEditor().getElementOrParentByTagName("ol", null));
is(element, null,
"nsIHTMLEditor.getElementOrParentByTagName(\"ol\", null) should return null when selection is collapsed in <ul>");
editor.innerHTML = "<ol><li>listitem</li></ol>";
editor.focus();
selection.collapse(editor.querySelector("li").firstChild, 4);
element = SpecialPowers.unwrap(getHTMLEditor().getElementOrParentByTagName("ol", null));
is(element, editor.querySelector("ol"),
"nsIHTMLEditor.getElementOrParentByTagName(\"ol\", null) should return the <ol> when selection is collapsed in its <li>");
editor.innerHTML = "<ol><li>listitem</li></ol>";
editor.focus();
selection.collapse(editor.querySelector("li").firstChild, 4);
element = SpecialPowers.unwrap(getHTMLEditor().getElementOrParentByTagName("list", null));
is(element, editor.querySelector("ol"),
"nsIHTMLEditor.getElementOrParentByTagName(\"list\", null) should return the <ol> when selection is collapsed in its <li>");
editor.innerHTML = "<ol><li>listitem</li></ol>";
editor.focus();
selection.collapse(editor.querySelector("li").firstChild, 4);
element = SpecialPowers.unwrap(getHTMLEditor().getElementOrParentByTagName("ul", null));
is(element, null,
"nsIHTMLEditor.getElementOrParentByTagName(\"ol\", null) should return null when selection is collapsed in <ol>");
editor.innerHTML = "<dl><dt>listitem</dt></dl>";
editor.focus();
selection.collapse(editor.querySelector("dt").firstChild, 4);
element = SpecialPowers.unwrap(getHTMLEditor().getElementOrParentByTagName("dl", null));
is(element, editor.querySelector("dl"),
"nsIHTMLEditor.getElementOrParentByTagName(\"dl\", null) should return the <dl> when selection is collapsed in its <dt>");
editor.innerHTML = "<dl><dt>listitem</dt></dl>";
editor.focus();
selection.collapse(editor.querySelector("dt").firstChild, 4);
element = SpecialPowers.unwrap(getHTMLEditor().getElementOrParentByTagName("list", null));
is(element, editor.querySelector("dl"),
"nsIHTMLEditor.getElementOrParentByTagName(\"list\", null) should return the <dl> when selection is collapsed in its <dt>");
editor.innerHTML = "<dl><dd>listitem</dd></dl>";
editor.focus();
selection.collapse(editor.querySelector("dd").firstChild, 4);
element = SpecialPowers.unwrap(getHTMLEditor().getElementOrParentByTagName("dl", null));
is(element, editor.querySelector("dl"),
"nsIHTMLEditor.getElementOrParentByTagName(\"dl\", null) should return the <dl> when selection is collapsed in its <dd>");
editor.innerHTML = "<dl><dd>listitem</dd></dl>";
editor.focus();
selection.collapse(editor.querySelector("dd").firstChild, 4);
element = SpecialPowers.unwrap(getHTMLEditor().getElementOrParentByTagName("list", null));
is(element, editor.querySelector("dl"),
"nsIHTMLEditor.getElementOrParentByTagName(\"list\", null) should return the <dl> when selection is collapsed in its <dd>");
editor.innerHTML = "<ul><ol><li>listitem</li></ol></ul>";
editor.focus();
selection.collapse(editor.querySelector("li").firstChild, 4);
element = SpecialPowers.unwrap(getHTMLEditor().getElementOrParentByTagName("list", null));
is(element, editor.querySelector("ol"),
"nsIHTMLEditor.getElementOrParentByTagName(\"list\", null) should return the <ol> (sublist) when selection is collapsed in its <li>");
editor.innerHTML = "<ul><ol><li>listitem</li></ol></ul>";
editor.focus();
selection.collapse(editor.querySelector("li").firstChild, 4);
element = SpecialPowers.unwrap(getHTMLEditor().getElementOrParentByTagName("ol", null));
is(element, editor.querySelector("ol"),
"nsIHTMLEditor.getElementOrParentByTagName(\"ol\", null) should return the <ol> (sublist) when selection is collapsed in its <li>");
editor.innerHTML = "<ul><ol><li>listitem</li></ol></ul>";
editor.focus();
selection.collapse(editor.querySelector("li").firstChild, 4);
element = SpecialPowers.unwrap(getHTMLEditor().getElementOrParentByTagName("ul", null));
is(element, editor.querySelector("ul"),
"nsIHTMLEditor.getElementOrParentByTagName(\"ul\", null) should return the <ul> when selection is collapsed in its sublist's <li>");
editor.innerHTML = "<ol><ul><li>listitem</li></ul></ol>";
editor.focus();
selection.collapse(editor.querySelector("li").firstChild, 4);
element = SpecialPowers.unwrap(getHTMLEditor().getElementOrParentByTagName("list", null));
is(element, editor.querySelector("ul"),
"nsIHTMLEditor.getElementOrParentByTagName(\"list\", null) should return the <ul> (sublist) when selection is collapsed in its <li>");
editor.innerHTML = "<ol><ul><li>listitem</li></ul></ol>";
editor.focus();
selection.collapse(editor.querySelector("li").firstChild, 4);
element = SpecialPowers.unwrap(getHTMLEditor().getElementOrParentByTagName("ul", null));
is(element, editor.querySelector("ul"),
"nsIHTMLEditor.getElementOrParentByTagName(\"ul\", null) should return the <ul> (sublist) when selection is collapsed in its <li>");
editor.innerHTML = "<ol><ul><li>listitem</li></ul></ol>";
editor.focus();
selection.collapse(editor.querySelector("li").firstChild, 4);
element = SpecialPowers.unwrap(getHTMLEditor().getElementOrParentByTagName("ol", null));
is(element, editor.querySelector("ol"),
"nsIHTMLEditor.getElementOrParentByTagName(\"ol\", null) should return the <ol> when selection is collapsed in its sublist's <li>");
editor.innerHTML = "<p><a href=\"about:config\">anchor</a></p>";
editor.focus();
selection.collapse(editor.querySelector("a").firstChild, 3);
element = SpecialPowers.unwrap(getHTMLEditor().getElementOrParentByTagName("a", null));
is(element, editor.querySelector("a"),
"nsIHTMLEditor.getElementOrParentByTagName(\"a\", null) should return the <a href=\"about:config\"> when selection is collapsed in it");
editor.innerHTML = "<p><a href=\"about:config\">anchor</a></p>";
editor.focus();
selection.setBaseAndExtent(editor.firstChild, 0, editor.firstChild, 1);
element = SpecialPowers.unwrap(getHTMLEditor().getElementOrParentByTagName("a", null));
is(element, editor.querySelector("a"),
"nsIHTMLEditor.getElementOrParentByTagName(\"a\", null) should return the <a href=\"about:config\"> when it's selected");
editor.innerHTML = "<p><a href=\"about:config\">anchor</a></p>";
editor.focus();
selection.collapse(editor.querySelector("a").firstChild, 3);
element = SpecialPowers.unwrap(getHTMLEditor().getElementOrParentByTagName("href", null));
is(element, editor.querySelector("a"),
"nsIHTMLEditor.getElementOrParentByTagName(\"href\", null) should return the <a href=\"about:config\"> when selection is collapsed in it");
editor.innerHTML = "<p><a href=\"about:config\">anchor</a></p>";
editor.focus();
selection.setBaseAndExtent(editor.firstChild, 0, editor.firstChild, 1);
element = SpecialPowers.unwrap(getHTMLEditor().getElementOrParentByTagName("href", null));
is(element, editor.querySelector("a"),
"nsIHTMLEditor.getElementOrParentByTagName(\"href\", null) should return the <a href=\"about:config\"> when it's selected");
editor.innerHTML = "<p><a href=\"about:config\">anchor</a></p>";
editor.focus();
selection.collapse(editor.querySelector("a").firstChild, 3);
element = SpecialPowers.unwrap(getHTMLEditor().getElementOrParentByTagName("anchor", null));
is(element, null,
"nsIHTMLEditor.getElementOrParentByTagName(\"anchor\", null) should return null when selection is collapsed in the <a href=\"about:config\">");
editor.innerHTML = "<p><a href=\"about:config\">anchor</a></p>";
editor.focus();
selection.setBaseAndExtent(editor.firstChild, 0, editor.firstChild, 1);
element = SpecialPowers.unwrap(getHTMLEditor().getElementOrParentByTagName("anchor", null));
is(element, null,
"nsIHTMLEditor.getElementOrParentByTagName(\"anchor\", null) should return null when the <a href=\"about:config\"> is selected");
editor.innerHTML = "<p><a href=\"\">anchor</a></p>";
editor.focus();
selection.collapse(editor.querySelector("a").firstChild, 3);
element = SpecialPowers.unwrap(getHTMLEditor().getElementOrParentByTagName("a", null));
is(element, editor.querySelector("a"),
"nsIHTMLEditor.getElementOrParentByTagName(\"a\", null) should return the <a href=\"\"> when selection is collapsed in it");
editor.innerHTML = "<p><a href=\"\">anchor</a></p>";
editor.focus();
selection.setBaseAndExtent(editor.firstChild, 0, editor.firstChild, 1);
element = SpecialPowers.unwrap(getHTMLEditor().getElementOrParentByTagName("a", null));
is(element, editor.querySelector("a"),
"nsIHTMLEditor.getElementOrParentByTagName(\"a\", null) should return the <a href=\"\"> when it's selected");
editor.innerHTML = "<p><a href=\"\">anchor</a></p>";
editor.focus();
selection.collapse(editor.querySelector("a").firstChild, 3);
element = SpecialPowers.unwrap(getHTMLEditor().getElementOrParentByTagName("href", null));
is(element, editor.querySelector("a"),
"nsIHTMLEditor.getElementOrParentByTagName(\"href\", null) should return the <a href=\"\"> when selection is collapsed in it");
editor.innerHTML = "<p><a href=\"\">anchor</a></p>";
editor.focus();
selection.setBaseAndExtent(editor.firstChild, 0, editor.firstChild, 1);
element = SpecialPowers.unwrap(getHTMLEditor().getElementOrParentByTagName("href", null));
is(element, editor.querySelector("a"),
"nsIHTMLEditor.getElementOrParentByTagName(\"href\", null) should return the <a href=\"\"> when it's selected");
editor.innerHTML = "<p><a name=\"foo\">anchor</a></p>";
editor.focus();
selection.collapse(editor.querySelector("a").firstChild, 3);
element = SpecialPowers.unwrap(getHTMLEditor().getElementOrParentByTagName("a", null));
is(element, editor.querySelector("a"),
"nsIHTMLEditor.getElementOrParentByTagName(\"a\", null) should return the <a name=\"foo\"> when selection is collapsed in it");
editor.innerHTML = "<p><a name=\"foo\">anchor</a></p>";
editor.focus();
selection.setBaseAndExtent(editor.firstChild, 0, editor.firstChild, 1);
element = SpecialPowers.unwrap(getHTMLEditor().getElementOrParentByTagName("a", null));
is(element, editor.querySelector("a"),
"nsIHTMLEditor.getElementOrParentByTagName(\"a\", null) should return the <a name=\"foo\"> when it's selected");
editor.innerHTML = "<p><a name=\"foo\">anchor</a></p>";
editor.focus();
selection.collapse(editor.querySelector("a").firstChild, 3);
element = SpecialPowers.unwrap(getHTMLEditor().getElementOrParentByTagName("href", null));
is(element, null,
"nsIHTMLEditor.getElementOrParentByTagName(\"href\", null) should return null when selection is collapsed in the <a name=\"foo\">");
editor.innerHTML = "<p><a name=\"foo\">anchor</a></p>";
editor.focus();
selection.setBaseAndExtent(editor.firstChild, 0, editor.firstChild, 1);
element = SpecialPowers.unwrap(getHTMLEditor().getElementOrParentByTagName("href", null));
is(element, null,
"nsIHTMLEditor.getElementOrParentByTagName(\"href\", null) should return null when the <a name=\"foo\"> is selected");
editor.innerHTML = "<p><a name=\"foo\">anchor</a></p>";
editor.focus();
selection.collapse(editor.querySelector("a").firstChild, 3);
element = SpecialPowers.unwrap(getHTMLEditor().getElementOrParentByTagName("anchor", null));
is(element, editor.querySelector("a"),
"nsIHTMLEditor.getElementOrParentByTagName(\"anchor\", null) should return the <a name=\"foo\"> when selection is collapsed in it");
editor.innerHTML = "<p><a name=\"foo\">anchor</a></p>";
editor.focus();
selection.setBaseAndExtent(editor.firstChild, 0, editor.firstChild, 1);
element = SpecialPowers.unwrap(getHTMLEditor().getElementOrParentByTagName("anchor", null));
is(element, editor.querySelector("a"),
"nsIHTMLEditor.getElementOrParentByTagName(\"anchor\", null) should return the <a name=\"foo\"> when it's selected");
editor.innerHTML = "<p><a name=\"\">anchor</a></p>";
editor.focus();
selection.collapse(editor.querySelector("a").firstChild, 3);
element = SpecialPowers.unwrap(getHTMLEditor().getElementOrParentByTagName("a", null));
is(element, editor.querySelector("a"),
"nsIHTMLEditor.getElementOrParentByTagName(\"a\", null) should return the <a name=\"\"> when selection is collapsed in it");
editor.innerHTML = "<p><a name=\"\">anchor</a></p>";
editor.focus();
selection.setBaseAndExtent(editor.firstChild, 0, editor.firstChild, 1);
element = SpecialPowers.unwrap(getHTMLEditor().getElementOrParentByTagName("a", null));
is(element, editor.querySelector("a"),
"nsIHTMLEditor.getElementOrParentByTagName(\"a\", null) should return the <a name=\"\"> when it's selected");
editor.innerHTML = "<p><a name=\"\">anchor</a></p>";
editor.focus();
selection.collapse(editor.querySelector("a").firstChild, 3);
element = SpecialPowers.unwrap(getHTMLEditor().getElementOrParentByTagName("anchor", null));
is(element, null,
"nsIHTMLEditor.getElementOrParentByTagName(\"anchor\", null) should return null when selection is collapsed in the <a name=\"\">");
editor.innerHTML = "<p><a name=\"\">anchor</a></p>";
editor.focus();
selection.setBaseAndExtent(editor.firstChild, 0, editor.firstChild, 1);
element = SpecialPowers.unwrap(getHTMLEditor().getElementOrParentByTagName("anchor", null));
is(element, null,
"nsIHTMLEditor.getElementOrParentByTagName(\"anchor\", null) should return null when the <a name=\"\"> is selected");
editor.innerHTML = "<p><a>anchor</a></p>";
editor.focus();
selection.collapse(editor.querySelector("a").firstChild, 3);
element = SpecialPowers.unwrap(getHTMLEditor().getElementOrParentByTagName("a", null));
is(element, editor.querySelector("a"),
"nsIHTMLEditor.getElementOrParentByTagName(\"a\", null) should return the <a> when selection is collapsed in it");
editor.innerHTML = "<p><a>anchor</a></p>";
editor.focus();
selection.collapse(editor.querySelector("a").firstChild, 3);
element = SpecialPowers.unwrap(getHTMLEditor().getElementOrParentByTagName("href", null));
is(element, null,
"nsIHTMLEditor.getElementOrParentByTagName(\"href\", null) should return null when selection is collapsed in the <a>");
editor.innerHTML = "<p><a>anchor</a></p>";
editor.focus();
selection.collapse(editor.querySelector("a").firstChild, 3);
element = SpecialPowers.unwrap(getHTMLEditor().getElementOrParentByTagName("anchor", null));
is(element, null,
"nsIHTMLEditor.getElementOrParentByTagName(\"anchor\", null) should return null when selection is collapsed in the <a>");
editor.innerHTML = "<p><a>anchor</a></p>";
editor.focus();
selection.setBaseAndExtent(editor.firstChild, 0, editor.firstChild, 1);
element = SpecialPowers.unwrap(getHTMLEditor().getElementOrParentByTagName("a", null));
is(element, editor.querySelector("a"),
"nsIHTMLEditor.getElementOrParentByTagName(\"a\", null) should return the <a> when it's selected");
editor.innerHTML = "<p><a>anchor</a></p>";
editor.focus();
selection.setBaseAndExtent(editor.firstChild, 0, editor.firstChild, 1);
element = SpecialPowers.unwrap(getHTMLEditor().getElementOrParentByTagName("href", null));
is(element, null,
"nsIHTMLEditor.getElementOrParentByTagName(\"href\", null) should return null when the <a> is selected");
editor.innerHTML = "<p><a>anchor</a></p>";
editor.focus();
selection.setBaseAndExtent(editor.firstChild, 0, editor.firstChild, 1);
element = SpecialPowers.unwrap(getHTMLEditor().getElementOrParentByTagName("anchor", null));
is(element, null,
"nsIHTMLEditor.getElementOrParentByTagName(\"anchor\", null) should return the <a> is selected");
SimpleTest.finish();
});
function getHTMLEditor() {
var Ci = SpecialPowers.Ci;
var editingSession = SpecialPowers.wrap(window).docShell.editingSession;
return editingSession.getEditorForWindow(window).QueryInterface(Ci.nsIHTMLEditor);
}
</script>
</body>
</html>