chrome/browser/ui/webui/media_router/media_router_dialog_controller_impl.h

   1 // Copyright 2015 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 CHROME_BROWSER_UI_WEBUI_MEDIA_ROUTER_MEDIA_ROUTER_DIALOG_CONTROLLER_IMPL_H_
   6 #define CHROME_BROWSER_UI_WEBUI_MEDIA_ROUTER_MEDIA_ROUTER_DIALOG_CONTROLLER_IMPL_H_
   7
   8 #include "base/macros.h"
   9 #include "chrome/browser/media/router/media_router_dialog_controller.h"
  10 #include "content/public/browser/web_contents_observer.h"
  11 #include "content/public/browser/web_contents_user_data.h"
  12
  13 namespace media_router {
  14
  15 // A desktop implementation of MediaRouterDialogController.
  16 // This class is not thread safe and must be called on the UI thread.
  17 class MediaRouterDialogControllerImpl :
  18     public content::WebContentsUserData<MediaRouterDialogControllerImpl>,
  19     public MediaRouterDialogController {
  20  public:
  21   ~MediaRouterDialogControllerImpl() override;
  22
  23   static MediaRouterDialogControllerImpl* GetOrCreateForWebContents(
  24       content::WebContents* web_contents);
  25
  26   // Returns the media router dialog WebContents.
  27   // Returns nullptr if there is no dialog.
  28   content::WebContents* GetMediaRouterDialog() const;
  29
  30
  31  private:
  32   class DialogWebContentsObserver;
  33   friend class content::WebContentsUserData<MediaRouterDialogControllerImpl>;
  34
  35   // Use MediaRouterDialogControllerImpl::CreateForWebContents() to create an
  36   // instance.
  37   explicit MediaRouterDialogControllerImpl(content::WebContents* web_contents);
  38
  39   // MediaRouterDialogController:
  40   void CreateMediaRouterDialog() override;
  41   void CloseMediaRouterDialog() override;
  42   bool IsShowingMediaRouterDialog() const override;
  43   void Reset() override;
  44
  45   // Invoked when the dialog WebContents has navigated.
  46   void OnDialogNavigated(const content::LoadCommittedDetails& details);
  47
  48   void PopulateDialog(content::WebContents* media_router_dialog);
  49
  50   scoped_ptr<DialogWebContentsObserver> dialog_observer_;
  51
  52   // True if the controller is waiting for a new media router dialog to be
  53   // created.
  54   bool media_router_dialog_pending_;
  55
  56   DISALLOW_COPY_AND_ASSIGN(MediaRouterDialogControllerImpl);
  57 };
  58
  59 }  // namespace media_router
  60
  61 #endif  // CHROME_BROWSER_UI_WEBUI_MEDIA_ROUTER_MEDIA_ROUTER_DIALOG_CONTROLLER_IMPL_H_