Add m-esr52 at 52.6.0

1 files changed, 75 insertions, 0 deletions

diff --git a/dom/browser-element/mochitest/browserElement_SetVisible.js b/dom/browser-element/mochitest/browserElement_SetVisible.js
new file mode 100644
index 000000000..dac8d7e42
--- /dev/null
+++ b/dom/browser-element/mochitest/browserElement_SetVisible.js
@@ -0,0 +1,75 @@
+/* Any copyright is dedicated to the public domain.
+   http://creativecommons.org/publicdomain/zero/1.0/ */
+
+// Test the setVisible property for mozbrowser
+"use strict";
+
+SimpleTest.waitForExplicitFinish();
+SimpleTest.requestFlakyTimeout("untriaged");
+browserElementTestHelpers.setEnabledPref(true);
+
+var iframeScript = function() {
+  content.document.addEventListener("visibilitychange", function() {
+    sendAsyncMessage('test:visibilitychange', {
+      hidden: content.document.hidden
+    });
+  }, false);
+}
+
+function runTest() {
+  var mm;
+  var numEvents = 0;
+  var iframe1 = document.createElement('iframe');
+  iframe1.setAttribute('mozbrowser', 'true');
+  iframe1.src = 'data:text/html,1';
+
+  document.body.appendChild(iframe1);
+
+  function recvVisibilityChanged(msg) {
+    msg = SpecialPowers.wrap(msg);
+    numEvents++;
+    if (numEvents === 1) {
+      ok(true, 'iframe recieved visibility changed');
+      ok(msg.json.hidden === true, 'hidden attribute correctly set');
+      iframe1.setVisible(false);
+      iframe1.setVisible(true);
+    } else if (numEvents === 2) {
+      ok(msg.json.hidden === false, 'hidden attribute correctly set');
+      // Allow some time in case we generate too many events
+      setTimeout(function() {
+        mm.removeMessageListener('test:visibilitychange', recvVisibilityChanged);
+        SimpleTest.finish();
+      }, 100);
+    } else {
+      ok(false, 'Too many visibilitychange events');
+    }
+  }
+
+  function iframeLoaded() {
+    testGetVisible();
+  }
+
+  function testGetVisible() {
+    iframe1.setVisible(false);
+    iframe1.getVisible().onsuccess = function(evt) {
+      ok(evt.target.result === false, 'getVisible() responds false after setVisible(false)');
+
+      iframe1.setVisible(true);
+      iframe1.getVisible().onsuccess = function(evt) {
+        ok(evt.target.result === true, 'getVisible() responds true after setVisible(true)');
+        testVisibilityChanges();
+      };
+    };
+  }
+
+  function testVisibilityChanges() {
+    mm = SpecialPowers.getBrowserFrameMessageManager(iframe1);
+    mm.addMessageListener('test:visibilitychange', recvVisibilityChanged);
+    mm.loadFrameScript('data:,(' + iframeScript.toString() + ')();', false);
+    iframe1.setVisible(false);
+  }
+
+  iframe1.addEventListener('mozbrowserloadend', iframeLoaded);
+}
+
+addEventListener('testready', runTest);