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 "components/guest_view/browser/guest_view.h"
  10 #include "extensions/browser/guest_view/app_view/app_view_guest_delegate.h"
  11
  12 namespace extensions {
  13 class Extension;
  14 class ExtensionHost;
  15
  16 // An AppViewGuest provides the browser-side implementation of <appview> API.
  17 // AppViewGuest is created on attachment. That is, when a guest WebContents is
  18 // associated with a particular embedder WebContents. This happens on calls to
  19 // the connect API.
  20 class AppViewGuest : public guest_view::GuestView<AppViewGuest> {
  21  public:
  22   static const char Type[];
  23
  24   // Completes the creation of a WebContents associated with the provided
  25   // |guest_extensions_id|.
  26   static bool CompletePendingRequest(
  27       content::BrowserContext* browser_context,
  28       const GURL& url,
  29       int guest_instance_id,
  30       const std::string& guest_extension_id);
  31
  32   static GuestViewBase* Create(content::WebContents* owner_web_contents);
  33
  34   // content::WebContentsDelegate implementation.
  35   bool HandleContextMenu(const content::ContextMenuParams& params) override;
  36   void RequestMediaAccessPermission(
  37       content::WebContents* web_contents,
  38       const content::MediaStreamRequest& request,
  39       const content::MediaResponseCallback& callback) override;
  40   bool CheckMediaAccessPermission(content::WebContents* web_contents,
  41                                   const GURL& security_origin,
  42                                   content::MediaStreamType type) override;
  43
  44   // GuestViewBase implementation.
  45   bool CanRunInDetachedState() const override;
  46   void CreateWebContents(const base::DictionaryValue& create_params,
  47                          const WebContentsCreatedCallback& callback) override;
  48   void DidInitialize(const base::DictionaryValue& create_params) override;
  49   const char* GetAPINamespace() const override;
  50   int GetTaskPrefix() const override;
  51
  52   // Sets the AppDelegate for this guest.
  53   void SetAppDelegateForTest(AppDelegate* delegate);
  54
  55  private:
  56   explicit AppViewGuest(content::WebContents* owner_web_contents);
  57
  58   ~AppViewGuest() override;
  59
  60   void CompleteCreateWebContents(const GURL& url,
  61                                  const Extension* guest_extension,
  62                                  const WebContentsCreatedCallback& callback);
  63
  64   void LaunchAppAndFireEvent(scoped_ptr<base::DictionaryValue> data,
  65                              const WebContentsCreatedCallback& callback,
  66                              ExtensionHost* extension_host);
  67
  68   GURL url_;
  69   std::string guest_extension_id_;
  70   scoped_ptr<AppViewGuestDelegate> app_view_guest_delegate_;
  71   scoped_ptr<AppDelegate> app_delegate_;
  72
  73   // This is used to ensure pending tasks will not fire after this object is
  74   // destroyed.
  75   base::WeakPtrFactory<AppViewGuest> weak_ptr_factory_;
  76
  77   DISALLOW_COPY_AND_ASSIGN(AppViewGuest);
  78 };
  79
  80 }  // namespace extensions
  81
  82 #endif  // EXTENSIONS_BROWSER_GUEST_VIEW_APP_VIEW_APP_VIEW_GUEST_H_