Initial implementation of the <extensionoptions> GuestView tag

chrome/renderer/resources/extensions/extension_options.js

-// Copyright 2014 The Chromium Authors. All rights reserved.
+// Copyright (c) 2014 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 DocumentNatives = requireNative('document_natives');
 var GuestViewInternal =
     require('binding').Binding.create('guestViewInternal').generate();
 var IdGenerator = requireNative('id_generator');
 
-function AppViewInternal(appviewNode) {
-  privates(appviewNode).internal = this;
-  this.appviewNode = appviewNode;
+function ExtensionOptionsInternal(extensionoptionsNode) {
+  privates(extensionoptionsNode).internal = this;
+  this.extensionoptionsNode = extensionoptionsNode;
 
   this.browserPluginNode = this.createBrowserPluginNode();
-  var shadowRoot = this.appviewNode.createShadowRoot();
+  var shadowRoot = this.extensionoptionsNode.createShadowRoot();
   shadowRoot.appendChild(this.browserPluginNode);
   this.viewInstanceId = IdGenerator.GetNextId();
+
+  if (this.parseExtensionAttribute()) {
+    this.createGuest();
+  }
 }
 
-AppViewInternal.prototype.createBrowserPluginNode = function() {
-  // We create BrowserPlugin as a custom element in order to observe changes
-  // to attributes synchronously.
-  var browserPluginNode = new AppViewInternal.BrowserPlugin();
+ExtensionOptionsInternal.prototype.createBrowserPluginNode = function() {
+  var browserPluginNode = new ExtensionOptionsInternal.BrowserPlugin();
   privates(browserPluginNode).internal = this;
   return browserPluginNode;
-};
+}
 
-AppViewInternal.prototype.connect = function(src, callback) {
+ExtensionOptionsInternal.prototype.parseExtensionAttribute = function() {
+  if (this.extensionoptionsNode.hasAttribute('extension')) {
+    this.extensionId = this.extensionoptionsNode.getAttribute('extension');
+    return true;
+  }
+  return false;
+}
+
+ExtensionOptionsInternal.prototype.createGuest = function() {
   var params = {
+    'extensionId': this.extensionId,
   };
   var self = this;
   GuestViewInternal.createGuest(
-    'appview',
-    params,
-    function(instanceId) {
-      self.attachWindow(instanceId, src);
-      if (callback) {
-        callback();
-      }
-    }
-  );
+      'extensionoptions',
+      params,
+      function(instanceId) {
+        self.instanceId = instanceId;
+        self.attachWindow(instanceId);
+      });
 };
 
-AppViewInternal.prototype.attachWindow = function(instanceId, src) {
+ExtensionOptionsInternal.prototype.attachWindow = function(instanceId) {
   this.instanceId = instanceId;
   var params = {
     'instanceId': this.viewInstanceId,
-    'src': src
-  };
+  }
   return this.browserPluginNode['-internal-attach'](instanceId, params);
-};
+}
 
 function registerBrowserPluginElement() {
   var proto = Object.create(HTMLObjectElement.prototype);
 
   proto.createdCallback = function() {
     this.setAttribute('type', 'application/browser-plugin');
     this.style.width = '100%';
     this.style.height = '100%';
   };
 
   proto.attachedCallback = function() {
     // Load the plugin immediately.
     var unused = this.nonExistentAttribute;
   };
 
-  AppViewInternal.BrowserPlugin =
-      DocumentNatives.RegisterElement('appplugin', {extends: 'object',
-                                                    prototype: proto});
-
+  ExtensionOptionsInternal.BrowserPlugin =
+      DocumentNatives.RegisterElement("extensionoptionsplugin",
+                                       {extends: 'object', prototype: proto});
   delete proto.createdCallback;
   delete proto.attachedCallback;
-  delete proto.detachedCallback;
-  delete proto.attributeChangedCallback;

[Fady Samuel, 2014/07/11 21:08:05]

You want to delete these callbacks too.

[ericzeng, 2014/07/12 00:10:05]

Done.

 }
 
-function registerAppViewElement() {
+function registerExtensionOptionsElement() {
   var proto = Object.create(HTMLElement.prototype);
 
   proto.createdCallback = function() {
-    new AppViewInternal(this);
-  };
+    new ExtensionOptionsInternal(this);
+  }
 
-  proto.connect = function() {
-    var internal = privates(this).internal;
-    $Function.apply(internal.connect, internal, arguments);
-  }
-  window.AppView =
-      DocumentNatives.RegisterElement('appview', {prototype: proto});
+  window.ExtensionOptions =
+     DocumentNatives.RegisterElement('extensionoptions', {prototype: proto});
 
   // Delete the callbacks so developers cannot call them and produce unexpected
   // behavior.
   delete proto.createdCallback;
-  delete proto.attachedCallback;
-  delete proto.detachedCallback;
-  delete proto.attributeChangedCallback;

[Fady Samuel, 2014/07/11 21:08:05]

You want to delete these callbacks too.

[ericzeng, 2014/07/12 00:10:05]

Done.

 }
 
 var useCapture = true;
 window.addEventListener('readystatechange', function listener(event) {
   if (document.readyState == 'loading')
     return;
 
   registerBrowserPluginElement();
-  registerAppViewElement();
+  registerExtensionOptionsElement();
   window.removeEventListener(event.type, listener, useCapture);
 }, useCapture);