Implement <appview>

chrome/browser/guest_view/app_view/app_view_guest.h

 // Copyright 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.
 
 #ifndef CHROME_BROWSER_GUEST_VIEW_APP_VIEW_APP_VIEW_GUEST_H_
 #define CHROME_BROWSER_GUEST_VIEW_APP_VIEW_APP_VIEW_GUEST_H_
 
+#include "base/id_map.h"
 #include "chrome/browser/guest_view/guest_view.h"
+#include "extensions/browser/extension_function_dispatcher.h"
 
-class AppViewGuest : public GuestView<AppViewGuest> {
+namespace extensions {
+class Extension;
+class ExtensionHost;
+};
+
+// An AppViewGuest provides the browser-side implementation of <appview> API.
+// AppViewGuest is created on attachment. That is, when a guest WEbContnets is
+// associated with a particular embedder WebContents. This happens on calls to
+// the connect API.
+class AppViewGuest : public GuestView<AppViewGuest>,
+                     public extensions::ExtensionFunctionDispatcher::Delegate {
  public:
   static const char Type[];
 
+  // Completes the creation of a WebContents associated with the provided
+  // |guest_extensions_id|.
+  static bool CompletePendingRequest(
+      content::BrowserContext* browser_context,
+      const GURL& url,
+      int guest_instance_id,
+      const std::string& guest_extension_id);
+
   AppViewGuest(content::BrowserContext* browser_context,
                int guest_instance_id);
 
+  // ExtensionFunctionDispatcher::Delegate implementation.
+  virtual extensions::WindowController* GetExtensionWindowController() const
+      OVERRIDE;
+  virtual content::WebContents* GetAssociatedWebContents() const OVERRIDE;
+
+  // content::WebContentsObserver implementation.
+  virtual bool OnMessageReceived(const IPC::Message& message) OVERRIDE;
+
+  // content::WebContentsDelegate implementation.
+  virtual bool HandleContextMenu(
+      const content::ContextMenuParams& params) OVERRIDE;
+
   // GuestViewBase implementation.
   virtual void CreateWebContents(
       const std::string& embedder_extension_id,
       int embedder_render_process_id,
       const base::DictionaryValue& create_params,
       const WebContentsCreatedCallback& callback) OVERRIDE;
   virtual void DidAttachToEmbedder() OVERRIDE;
+  virtual void DidInitialize() OVERRIDE;
 
  private:
   virtual ~AppViewGuest();
+
+  void OnRequest(const ExtensionHostMsg_Request_Params& params);
+
+  void CompleteCreateWebContents(const GURL& url,
+                                 const extensions::Extension* guest_extension,
+                                 const WebContentsCreatedCallback& callback);
+
+  void LaunchAppAndFireEvent(const WebContentsCreatedCallback& callback,
+                             extensions::ExtensionHost* extension_host);
+
+  GURL url_;
+  std::string guest_extension_id_;
+  scoped_ptr<extensions::ExtensionFunctionDispatcher>
+      extension_function_dispatcher_;
+
+  // This is used to ensure pending tasks will not fire after this object is
+  // destroyed.
+  base::WeakPtrFactory<AppViewGuest> weak_ptr_factory_;
+
+  DISALLOW_COPY_AND_ASSIGN(AppViewGuest);
 };
 
 #endif  // CHROME_BROWSER_GUEST_VIEW_APP_VIEW_APP_VIEW_GUEST_H_