extensions/browser/guest_view/surface_worker/surface_worker_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_SURFACE_WORKER_SURFACE_WORKER_GUEST_H_
   6 #define EXTENSIONS_BROWSER_GUEST_VIEW_SURFACE_WORKER_SURFACE_WORKER_GUEST_H_
   7
   8 #include "extensions/browser/guest_view/guest_view.h"
   9
  10 namespace extensions {
  11 class Extension;
  12 class ExtensionHost;
  13
  14 // An SurfaceWorkerGuest provides the browser-side implementation of the
  15 // prototype <wtframe> API.
  16 class SurfaceWorkerGuest : public GuestView<SurfaceWorkerGuest> {
  17  public:
  18   static const char Type[];
  19
  20   static GuestViewBase* Create(content::WebContents* owner_web_contents);
  21
  22   // content::WebContentsDelegate implementation.
  23   bool HandleContextMenu(const content::ContextMenuParams& params) override;
  24
  25   // GuestViewBase implementation.
  26   const char* GetAPINamespace() const override;
  27   int GetTaskPrefix() const override;
  28   void CreateWebContents(const base::DictionaryValue& create_params,
  29                          const WebContentsCreatedCallback& callback) override;
  30   void DidAttachToEmbedder() override;
  31
  32  private:
  33   explicit SurfaceWorkerGuest(content::WebContents* owner_web_contents);
  34
  35   ~SurfaceWorkerGuest() override;
  36
  37   GURL url_;
  38
  39   // This is used to ensure pending tasks will not fire after this object is
  40   // destroyed.
  41   base::WeakPtrFactory<SurfaceWorkerGuest> weak_ptr_factory_;
  42
  43   DISALLOW_COPY_AND_ASSIGN(SurfaceWorkerGuest);
  44 };
  45
  46 }  // namespace extensions
  47
  48 #endif  // EXTENSIONS_BROWSER_GUEST_VIEW_SURFACE_WORKER_SURFACE_WORKER_GUEST_H_