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                                content::WebContents* owner_web_contents,
  36                                int guest_instance_id);
  37
  38   // ExtensionFunctionDispatcher::Delegate implementation.
  39   WindowController* GetExtensionWindowController() const override;
  40   content::WebContents* GetAssociatedWebContents() const override;
  41
  42   // content::WebContentsObserver implementation.
  43   bool OnMessageReceived(const IPC::Message& message) override;
  44
  45   // content::WebContentsDelegate implementation.
  46   bool HandleContextMenu(const content::ContextMenuParams& params) override;
  47   void RequestMediaAccessPermission(
  48       content::WebContents* web_contents,
  49       const content::MediaStreamRequest& request,
  50       const content::MediaResponseCallback& callback) override;
  51   bool CheckMediaAccessPermission(content::WebContents* web_contents,
  52                                   const GURL& security_origin,
  53                                   content::MediaStreamType type) override;
  54
  55   // GuestViewBase implementation.
  56   const char* GetAPINamespace() const override;
  57   int GetTaskPrefix() const override;
  58   void CreateWebContents(const base::DictionaryValue& create_params,
  59                          const WebContentsCreatedCallback& callback) override;
  60   void DidAttachToEmbedder() override;
  61   void DidInitialize() override;
  62
  63   // Sets the AppDelegate for this guest.
  64   void SetAppDelegateForTest(AppDelegate* delegate);
  65
  66  private:
  67   AppViewGuest(content::BrowserContext* browser_context,
  68                content::WebContents* owner_web_contents,
  69                int guest_instance_id);
  70
  71   ~AppViewGuest() override;
  72
  73   void OnRequest(const ExtensionHostMsg_Request_Params& params);
  74
  75   void CompleteCreateWebContents(const GURL& url,
  76                                  const Extension* guest_extension,
  77                                  const WebContentsCreatedCallback& callback);
  78
  79   void LaunchAppAndFireEvent(scoped_ptr<base::DictionaryValue> data,
  80                              const WebContentsCreatedCallback& callback,
  81                              ExtensionHost* extension_host);
  82
  83   GURL url_;
  84   std::string guest_extension_id_;
  85   scoped_ptr<ExtensionFunctionDispatcher> extension_function_dispatcher_;
  86   scoped_ptr<AppViewGuestDelegate> app_view_guest_delegate_;
  87   scoped_ptr<AppDelegate> app_delegate_;
  88
  89   // This is used to ensure pending tasks will not fire after this object is
  90   // destroyed.
  91   base::WeakPtrFactory<AppViewGuest> weak_ptr_factory_;
  92
  93   DISALLOW_COPY_AND_ASSIGN(AppViewGuest);
  94 };
  95
  96 }  // namespace extensions
  97
  98 #endif  // EXTENSIONS_BROWSER_GUEST_VIEW_APP_VIEW_APP_VIEW_GUEST_H_