1 files changed, 89 insertions, 0 deletions
diff --git a/dom/browser-element/mochitest/browserElement_SetVisibleFrames.js b/dom/browser-element/mochitest/browserElement_SetVisibleFrames.js
new file mode 100644
index 000000000..721248ab9
--- /dev/null
+++ b/dom/browser-element/mochitest/browserElement_SetVisibleFrames.js
@@ -0,0 +1,89 @@
+/* Any copyright is dedicated to the public domain.
+   http://creativecommons.org/publicdomain/zero/1.0/ */
+
+// Bug 762939 - Test that visibility propagates down properly through
+// hierarchies of <iframe mozbrowser>.
+//
+// In this test, we modify the parent's visibility and check that the child's
+// visibility is changed as appopriate.  We test modifying the child's
+// visibility in a separate testcase.
+
+"use strict";
+
+SimpleTest.waitForExplicitFinish();
+browserElementTestHelpers.setEnabledPref(true);
+
+var iframe;
+
+function runTest() {
+  iframe = document.createElement('iframe');
+  iframe.setAttribute('mozbrowser', 'true');
+
+  // Our test involves three <iframe mozbrowser>'s, parent, child1, and child2.
+  // child1 and child2 are contained inside parent.  child1 is visibile, and
+  // child2 is not.
+  //
+  // For the purposes of this test, we want there to be a process barrier
+  // between child{1,2} and parent.  Therefore parent must be a non-remote
+  // <iframe mozbrowser>, until bug 761935 is resolved and we can have nested
+  // content processes.
+  iframe.remote = false;
+
+  iframe.addEventListener('mozbrowsershowmodalprompt', checkMessage);
+  expectMessage('parent:ready', test1);
+
+  document.body.appendChild(iframe);
+  iframe.src = 'file_browserElement_SetVisibleFrames_Outer.html';
+}
+
+function test1() {
+  expectMessage('child1:hidden', getVisibleTest1);
+  iframe.setVisible(false);
+}
+
+function getVisibleTest1() {
+  iframe.getVisible().onsuccess = function(evt) {
+    ok(evt.target.result === false, 'getVisible shows a hidden frame');
+    test2();
+  };
+}
+
+function test2() {
+  expectMessage('child1:visible', getVisibleTest2);
+  iframe.setVisible(true);
+}
+
+function getVisibleTest2() {
+  iframe.getVisible().onsuccess = function(evt) {
+    ok(evt.target.result === true, 'getVisible shows a displayed frame');
+    finish();
+  };
+}
+
+function finish() {
+  // We need to remove this listener because when this test finishes and the
+  // iframe containing this document is navigated, we'll fire a
+  // visibilitychange(false) event on all child iframes.  That's OK and
+  // expected, but if we don't remove our listener, then we'll end up causing
+  // the /next/ test to fail!
+  iframe.removeEventListener('mozbrowsershowmodalprompt', checkMessage);
+  SimpleTest.finish();
+}
+
+var expectedMsg = null;
+var expectedMsgCallback = null;
+function expectMessage(msg, next) {
+  expectedMsg = msg;
+  expectedMsgCallback = next;
+}
+
+function checkMessage(e) {
+  var msg = e.detail.message;
+  is(msg, expectedMsg);
+  if (msg == expectedMsg) {
+    expectedMsg = null;
+    SimpleTest.executeSoon(function() { expectedMsgCallback() });
+  }
+}
+
+addEventListener('testready', runTest);