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_extension_id| and |guest_instance_id| for the given
  26   // |browser_context|.
  27   // |guest_render_process_host| is the RenderProcessHost and |url| is the
  28   // resource GURL of the extension instance making this request. If there is
  29   // any mismatch between the expected |guest_instance_id| and
  30   // |guest_extension_id| provided and the recorded copies from when the the
  31   // <appview> was created, the RenderProcessHost of the extension instance
  32   // behind this request will be killed.
  33   static bool CompletePendingRequest(
  34       content::BrowserContext* browser_context,
  35       const GURL& url,
  36       int guest_instance_id,
  37       const std::string& guest_extension_id,
  38       content::RenderProcessHost* guest_render_process_host);
  39
  40   static GuestViewBase* Create(content::WebContents* owner_web_contents);
  41
  42   static std::vector<int> GetAllRegisteredInstanceIdsForTesting();
  43
  44   // content::WebContentsDelegate implementation.
  45   bool HandleContextMenu(const content::ContextMenuParams& params) override;
  46   void RequestMediaAccessPermission(
  47       content::WebContents* web_contents,
  48       const content::MediaStreamRequest& request,
  49       const content::MediaResponseCallback& callback) override;
  50   bool CheckMediaAccessPermission(content::WebContents* web_contents,
  51                                   const GURL& security_origin,
  52                                   content::MediaStreamType type) override;
  53
  54   // GuestViewBase implementation.
  55   bool CanRunInDetachedState() const override;
  56   void CreateWebContents(const base::DictionaryValue& create_params,
  57                          const WebContentsCreatedCallback& callback) override;
  58   void DidInitialize(const base::DictionaryValue& create_params) override;
  59   const char* GetAPINamespace() const override;
  60   int GetTaskPrefix() const override;
  61
  62   // Sets the AppDelegate for this guest.
  63   void SetAppDelegateForTest(AppDelegate* delegate);
  64
  65  private:
  66   explicit AppViewGuest(content::WebContents* owner_web_contents);
  67
  68   ~AppViewGuest() override;
  69
  70   void CompleteCreateWebContents(const GURL& url,
  71                                  const Extension* guest_extension,
  72                                  const WebContentsCreatedCallback& callback);
  73
  74   void LaunchAppAndFireEvent(scoped_ptr<base::DictionaryValue> data,
  75                              const WebContentsCreatedCallback& callback,
  76                              ExtensionHost* extension_host);
  77
  78   GURL url_;
  79   std::string guest_extension_id_;
  80   scoped_ptr<AppViewGuestDelegate> app_view_guest_delegate_;
  81   scoped_ptr<AppDelegate> app_delegate_;
  82
  83   // This is used to ensure pending tasks will not fire after this object is
  84   // destroyed.
  85   base::WeakPtrFactory<AppViewGuest> weak_ptr_factory_;
  86
  87   DISALLOW_COPY_AND_ASSIGN(AppViewGuest);
  88 };
  89
  90 }  // namespace extensions
  91
  92 #endif  // EXTENSIONS_BROWSER_GUEST_VIEW_APP_VIEW_APP_VIEW_GUEST_H_