<webview>: Focusing <webview> should propagate to BrowserPlugin.

chrome/test/data/extensions/platform_apps/web_view/focus/embedder.js

+// Copyright 2013 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+var embedder = {};
+embedder.tests = {};
+embedder.baseGuestURL = '';
+embedder.guestURL = '';
+
+embedder.setUp = function(config) {
+  embedder.baseGuestURL = 'http://localhost:' + config.testServer.port;
+  embedder.guestURL = embedder.baseGuestURL +
+      '/files/extensions/platform_apps/web_view/focus' +
+      '/guest.html';
+  chrome.test.log('Guest url is: ' + embedder.guestURL);
+};
+
+/** @private */
+embedder.setUpGuest_ = function() {
+  document.querySelector('#webview-tag-container').innerHTML =
+      '<webview style="width: 100px; height: 100px;"></webview>';
+  var webview = document.querySelector('webview');
+  if (!webview) {
+    chrome.test.fail('No <webview> element created');
+  }
+  return webview;
+};
+
+/** @private */
+embedder.waitForResponseFromGuest_ =
+    function(webview,
+             testName,
+             channelCreationCallback,
+             expectedResponse,
+             responseCallback) {
+  var onPostMessageReceived = function(e) {
+    var data = JSON.parse(e.data);
+    var response = data[0];
+    if (response == 'channel-created') {
+      channelCreationCallback(webview);
+      return;
+    }
+    var name = data[1];
+    if ((response != expectedResponse) || (name != testName)) {
+      chrome.test.log('Unexpected response from guest.');
+      return;
+    }
+    responseCallback();
+  };
+  window.addEventListener('message', onPostMessageReceived);
+
+  var onWebViewLoadStop = function(e) {
+    // This creates a communication channel with the guest.
+    webview.contentWindow.postMessage(
+        JSON.stringify(['create-channel', testName]), '*');
+  };
+  webview.addEventListener('loadstop', onWebViewLoadStop);
+  webview.setAttribute('src', embedder.guestURL);
+};
+
+// Tests begin.
+
+// The embedder has to initiate a post message so that the guest can get a
+// reference to embedder to send the reply back.
+
+embedder.testFocus_ = function(testName,
+                               channelCreationCallback,
+                               expectedResponse,
+                               responseCallback) {
+  var webview = embedder.setUpGuest_();
+
+  embedder.waitForResponseFromGuest_(webview,
+                                     testName,
+                                     channelCreationCallback,
+                                     expectedResponse,
+                                     responseCallback);
+};
+
+embedder.tests.testFocusEvent = function testFocusEvent() {
+  var seenResponse = false;
+  embedder.testFocus_('testFocusEvent', function(webview) {
+    webview.focus();
+  }, 'focused', function() {
+    // The focus event fires three times on first focus. We only care about
+    // the first focus.
+    if (seenResponse)
+      return;
+    seenResponse = true;
+    chrome.test.succeed();
+  });
+}
+
+embedder.tests.testBlurEvent = function testBlurEvent() {
+  var seenResponse = false;
+  embedder.testFocus_('testFocusEvent', function(webview) {
+    webview.focus();
+  }, 'blurred', function() {
+    chrome.test.succeed();
+  });
+}
+
+onload = function() {
+  chrome.test.getConfig(function(config) {
+    embedder.setUp(config);
+    chrome.test.runTests([
+      embedder.tests.testFocusEvent,
+      embedder.tests.testBlurEvent
+    ]);
+  });
+};