1 files changed, 124 insertions, 0 deletions
diff --git a/toolkit/content/tests/chrome/window_popup_preventdefault_chrome.xhtml b/toolkit/content/tests/chrome/window_popup_preventdefault_chrome.xhtml
new file mode 100644
index 0000000000..18a041e331
--- /dev/null
+++ b/toolkit/content/tests/chrome/window_popup_preventdefault_chrome.xhtml
@@ -0,0 +1,124 @@
+<?xml version="1.0"?>
+<?xml-stylesheet href="chrome://global/skin" type="text/css"?>
+
+<window title="Popup Prevent Default Tests"
+        xmlns="http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul">
+
+<!--
+  This tests checks that preventDefault can be called on a popupshowing
+  event or popuphiding event to prevent the default behaviour.
+  -->
+
+<script>
+
+var gBlockShowing = true;
+var gBlockHiding = true;
+var gShownNotAllowed = true;
+var gHiddenNotAllowed = true;
+
+var fm = Services.focus;
+
+var is = function(l, r, v) { window.arguments[0].SimpleTest.is(l, r, v); }
+var isnot = function(l, r, v) { window.arguments[0].SimpleTest.isnot(l, r, v); }
+
+const {BrowserTestUtils} = ChromeUtils.import("resource://testing-common/BrowserTestUtils.jsm");
+
+async function runTest()
+{
+  var menu = document.getElementById("menu");
+
+  is(fm.activeWindow, window, "active window at start");
+  is(fm.focusedWindow, window, "focused window at start");
+
+  is(window.windowState, window.STATE_NORMAL, "window is normal");
+  // the minimizing test sometimes fails on Linux so don't test it there
+  if (navigator.platform.indexOf("Lin") == 0) {
+    menu.open = true;
+    return;
+  }
+  let promiseSizeModeChange = BrowserTestUtils.waitForEvent(
+    window,
+    "sizemodechange"
+  );
+  window.minimize();
+  await promiseSizeModeChange;
+  is(window.windowState, window.STATE_MINIMIZED, "window is minimized");
+
+  isnot(fm.activeWindow, window, "active window after minimize");
+  isnot(fm.focusedWindow, window, "focused window after minimize");
+
+  menu.open = true;
+
+  setTimeout(runTestAfterMinimize, 0);
+}
+
+async function runTestAfterMinimize()
+{
+  var menu = document.getElementById("menu");
+  is(menu.firstChild.state, "closed", "popup not opened when window minimized");
+
+  let promiseSizeModeChange = BrowserTestUtils.waitForEvent(
+    window,
+    "sizemodechange"
+  );
+  window.restore();
+  await promiseSizeModeChange;
+  is(window.windowState, window.STATE_NORMAL, "window is restored");
+
+  is(fm.activeWindow, window, "active window after restore");
+  is(fm.focusedWindow, window, "focused window after restore");
+
+  menu.open = true;
+}
+
+function popupShowing(event)
+{
+  if (gBlockShowing) {
+    event.preventDefault();
+    gBlockShowing = false;
+    setTimeout(function() {
+                 gShownNotAllowed = false;
+                 document.getElementById("menu").open = true;
+               }, 3000, true);
+  }
+}
+
+function popupShown()
+{
+  window.arguments[0].SimpleTest.ok(!gShownNotAllowed, "popupshowing preventDefault");
+  document.getElementById("menu").open = false;
+}
+
+function popupHiding(event)
+{
+  if (gBlockHiding) {
+    event.preventDefault();
+    gBlockHiding = false;
+    setTimeout(function() {
+                 gHiddenNotAllowed = false;
+                 document.getElementById("menu").open = false;
+               }, 3000, true);
+  }
+}
+
+function popupHidden()
+{
+  window.arguments[0].SimpleTest.ok(!gHiddenNotAllowed, "popuphiding preventDefault");
+  window.arguments[0].SimpleTest.finish();
+  window.close();
+}
+
+window.arguments[0].SimpleTest.waitForFocus(runTest, window);
+</script>
+
+<button id="menu" type="menu" label="Menu">
+  <menupopup onpopupshowing="popupShowing(event);"
+             onpopupshown="popupShown();"
+             onpopuphiding="popupHiding(event);"
+             onpopuphidden="popupHidden();">
+    <menuitem label="Item"/>
+  </menupopup>
+</button>
+
+
+</window>