import FIREFOX_52_6_0esr_RELEASE from mozilla-esr52 hg repo

toolkit/content/tests/chrome/test_popup_keys.xul

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+<?xml version="1.0"?>
+<?xml-stylesheet href="chrome://global/skin" type="text/css"?>
+<?xml-stylesheet href="chrome://mochikit/content/tests/SimpleTest/test.css" type="text/css"?>
+
+<window title="Menu ignorekeys Test"
+        onkeydown="keyDown()" onkeypress="gKeyPressCount++; event.stopPropagation(); event.preventDefault();"
+        onload="runTests();"
+        xmlns="http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul">
+
+  <script type="application/javascript" src="chrome://mochikit/content/tests/SimpleTest/SimpleTest.js"></script>      
+  <script type="application/javascript" src="chrome://mochikit/content/tests/SimpleTest/EventUtils.js"></script>      
+
+<!--
+  This test checks that the ignorekeys attribute can be used on a menu to
+  disable key navigation. The test is performed twice by opening the menu,
+  simulating a cursor down key, and closing the popup. When keys are enabled,
+  the first item on the menu should be highlighted, otherwise the first item
+  should not be highlighted.
+  -->
+
+<menupopup id="popup">
+  <menuitem id="i1" label="One" onDOMAttrModified="attrModified(event)"/>
+  <menuitem id="i2" label="Two"/>
+  <menuitem id="i3" label="Three"/>
+  <menuitem id="i4" label="Four"/>
+</menupopup>
+
+<script class="testbody" type="application/javascript">
+<![CDATA[
+
+SimpleTest.waitForExplicitFinish();
+
+var gIgnoreKeys = false;
+var gIgnoreAttrChange = false;
+var gKeyPressCount = 0;
+
+let {Task} = Components.utils.import("resource://gre/modules/Task.jsm", {});
+
+function waitForEvent(target, eventName) {
+  return new Promise(resolve => {
+    target.addEventListener(eventName, function eventOccurred(event) {
+      target.removeEventListener(eventName, eventOccurred, false);
+      resolve();
+    }, false);
+  });
+}
+
+function runTests()
+{
+  Task.async(function* () {
+    var popup = $("popup");
+    popup.enableKeyboardNavigator(false);
+    is(popup.getAttribute("ignorekeys"), "true", "keys disabled");
+    popup.enableKeyboardNavigator(true);
+    is(popup.hasAttribute("ignorekeys"), false, "keys enabled");
+
+    let popupShownPromise = waitForEvent(popup, "popupshown");
+    popup.openPopup(null, "after_start");
+    yield popupShownPromise;
+
+    let popupHiddenPromise = waitForEvent(popup, "popuphidden");
+    synthesizeKey("VK_DOWN", { });
+    yield popupHiddenPromise;
+
+    is(gKeyPressCount, 0, "keypresses with ignorekeys='false'");
+
+    gIgnoreKeys = true;
+    popup.setAttribute("ignorekeys", "true");
+    // clear this first to avoid confusion
+    gIgnoreAttrChange = true;
+    $("i1").removeAttribute("_moz-menuactive")
+    gIgnoreAttrChange = false;
+
+    popupShownPromise = waitForEvent(popup, "popupshown");
+    popup.openPopup(null, "after_start");
+    yield popupShownPromise;
+
+    synthesizeKey("VK_DOWN", { });
+
+    yield new Promise(resolve => setTimeout(() => resolve(), 1000));
+    popupHiddenPromise = waitForEvent(popup, "popuphidden");
+    popup.hidePopup();
+    yield popupHiddenPromise;
+
+    is(gKeyPressCount, 1, "keypresses with ignorekeys='true'");
+
+    popup.setAttribute("ignorekeys", "shortcuts");
+    // clear this first to avoid confusion
+    gIgnoreAttrChange = true;
+    $("i1").removeAttribute("_moz-menuactive")
+    gIgnoreAttrChange = false;
+
+    popupShownPromise = waitForEvent(popup, "popupshown");
+    popup.openPopup(null, "after_start");
+    yield popupShownPromise;
+
+    // When ignorekeys="shortcuts", T should be handled but accel+T should propagate. 
+    synthesizeKey("t", { });
+    is(gKeyPressCount, 1, "keypresses after t pressed with ignorekeys='shortcuts'");
+
+    synthesizeKey("t", { accelKey: true });
+    is(gKeyPressCount, 2, "keypresses after accel+t pressed with ignorekeys='shortcuts'");
+
+    popupHiddenPromise = waitForEvent(popup, "popuphidden");
+    popup.hidePopup();
+    yield popupHiddenPromise;
+
+    SimpleTest.finish();
+  })();
+}
+
+function attrModified(event)
+{
+  if (gIgnoreAttrChange || event.attrName != "_moz-menuactive")
+    return;
+
+  // the attribute should not be changed when ignorekeys is enabled
+  if (gIgnoreKeys) {
+    ok(false, "move key with keys disabled");
+  }
+  else {
+    is($("i1").getAttribute("_moz-menuactive"), "true", "move key with keys enabled");
+    $("popup").hidePopup();
+  }
+}
+
+function keyDown()
+{
+  // when keys are enabled, the menu should have stopped propagation of the
+  // event, so a bubbling listener for a keydown event should only occur
+  // when keys are disabled.
+  ok(gIgnoreKeys, "key listener fired with keys " +
+                  (gIgnoreKeys ? "disabled" : "enabled"));
+}
+
+]]>
+</script>
+
+<body xmlns="http://www.w3.org/1999/xhtml">
+<p id="display">
+</p>
+<div id="content" style="display: none">
+</div>
+<pre id="test">
+</pre>
+</body>
+
+</window>