extensions/browser/guest_view/app_view/app_view_guest.h

   1 // Copyright 2014 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #ifndef EXTENSIONS_BROWSER_GUEST_VIEW_APP_VIEW_APP_VIEW_GUEST_H_
   6 #define EXTENSIONS_BROWSER_GUEST_VIEW_APP_VIEW_APP_VIEW_GUEST_H_
   7
   8 #include "base/id_map.h"
   9 #include "extensions/browser/extension_function_dispatcher.h"
  10 #include "extensions/browser/guest_view/app_view/app_view_guest_delegate.h"
  11 #include "extensions/browser/guest_view/guest_view.h"
  12
  13 namespace extensions {
  14 class Extension;
  15 class ExtensionHost;
  16
  17 // An AppViewGuest provides the browser-side implementation of <appview> API.
  18 // AppViewGuest is created on attachment. That is, when a guest WebContents is
  19 // associated with a particular embedder WebContents. This happens on calls to
  20 // the connect API.
  21 class AppViewGuest : public GuestView<AppViewGuest>,
  22                      public ExtensionFunctionDispatcher::Delegate {
  23  public:
  24   static const char Type[];
  25
  26   // Completes the creation of a WebContents associated with the provided
  27   // |guest_extensions_id|.
  28   static bool CompletePendingRequest(
  29       content::BrowserContext* browser_context,
  30       const GURL& url,
  31       int guest_instance_id,
  32       const std::string& guest_extension_id);
  33
  34   static GuestViewBase* Create(content::BrowserContext* browser_context,
  35                                int guest_instance_id);
  36
  37   // ExtensionFunctionDispatcher::Delegate implementation.
  38   virtual WindowController* GetExtensionWindowController() const OVERRIDE;
  39   virtual content::WebContents* GetAssociatedWebContents() const OVERRIDE;
  40
  41   // content::WebContentsObserver implementation.
  42   virtual bool OnMessageReceived(const IPC::Message& message) OVERRIDE;
  43
  44   // content::WebContentsDelegate implementation.
  45   virtual bool HandleContextMenu(
  46       const content::ContextMenuParams& params) OVERRIDE;
  47
  48   // GuestViewBase implementation.
  49   virtual const char* GetAPINamespace() const OVERRIDE;
  50   virtual int GetTaskPrefix() const OVERRIDE;
  51   virtual void CreateWebContents(
  52       const std::string& embedder_extension_id,
  53       int embedder_render_process_id,
  54       const base::DictionaryValue& create_params,
  55       const WebContentsCreatedCallback& callback) OVERRIDE;
  56   virtual void DidAttachToEmbedder() OVERRIDE;
  57   virtual void DidInitialize() OVERRIDE;
  58
  59  private:
  60   AppViewGuest(content::BrowserContext* browser_context, int guest_instance_id);
  61
  62   virtual ~AppViewGuest();
  63
  64   void OnRequest(const ExtensionHostMsg_Request_Params& params);
  65
  66   void CompleteCreateWebContents(const GURL& url,
  67                                  const Extension* guest_extension,
  68                                  const WebContentsCreatedCallback& callback);
  69
  70   void LaunchAppAndFireEvent(scoped_ptr<base::DictionaryValue> data,
  71                              const WebContentsCreatedCallback& callback,
  72                              ExtensionHost* extension_host);
  73
  74   GURL url_;
  75   std::string guest_extension_id_;
  76   scoped_ptr<ExtensionFunctionDispatcher> extension_function_dispatcher_;
  77   scoped_ptr<AppViewGuestDelegate> app_view_guest_delegate_;
  78
  79   // This is used to ensure pending tasks will not fire after this object is
  80   // destroyed.
  81   base::WeakPtrFactory<AppViewGuest> weak_ptr_factory_;
  82
  83   DISALLOW_COPY_AND_ASSIGN(AppViewGuest);
  84 };
  85
  86 }  // namespace extensions
  87
  88 #endif  // EXTENSIONS_BROWSER_GUEST_VIEW_APP_VIEW_APP_VIEW_GUEST_H_