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 "base/memory/weak_ptr.h"
  10 #include "chrome/browser/media/router/media_router_dialog_controller.h"
  11 #include "content/public/browser/web_contents_observer.h"
  12 #include "content/public/browser/web_contents_user_data.h"
  13
  14 FORWARD_DECLARE_TEST(MediaRouterActionUnitTest, IconPressedState);
  15
  16 class MediaRouterAction;
  17
  18 namespace media_router {
  19
  20 namespace {
  21 class MediaRouterDialogDelegate;
  22 }
  23
  24 // A desktop implementation of MediaRouterDialogController.
  25 // This class is not thread safe and must be called on the UI thread.
  26 class MediaRouterDialogControllerImpl :
  27     public content::WebContentsUserData<MediaRouterDialogControllerImpl>,
  28     public MediaRouterDialogController {
  29  public:
  30   ~MediaRouterDialogControllerImpl() override;
  31
  32   static MediaRouterDialogControllerImpl* GetOrCreateForWebContents(
  33       content::WebContents* web_contents);
  34
  35   // Returns the media router dialog WebContents.
  36   // Returns nullptr if there is no dialog.
  37   content::WebContents* GetMediaRouterDialog() const;
  38
  39   // |action| must always be non-null.
  40   void SetMediaRouterAction(const base::WeakPtr<MediaRouterAction>& action);
  41
  42   // MediaRouterDialogController:
  43   bool IsShowingMediaRouterDialog() const override;
  44
  45  private:
  46   class DialogWebContentsObserver;
  47   friend class content::WebContentsUserData<MediaRouterDialogControllerImpl>;
  48   FRIEND_TEST_ALL_PREFIXES(::MediaRouterActionUnitTest, IconPressedState);
  49
  50   // Use MediaRouterDialogControllerImpl::CreateForWebContents() to create an
  51   // instance.
  52   explicit MediaRouterDialogControllerImpl(content::WebContents* web_contents);
  53
  54   // MediaRouterDialogController:
  55   void CreateMediaRouterDialog() override;
  56   void CloseMediaRouterDialog() override;
  57   void Reset() override;
  58
  59   // Invoked when the dialog WebContents has navigated.
  60   void OnDialogNavigated(const content::LoadCommittedDetails& details);
  61
  62   void PopulateDialog(content::WebContents* media_router_dialog);
  63
  64   scoped_ptr<DialogWebContentsObserver> dialog_observer_;
  65
  66   // True if the controller is waiting for a new media router dialog to be
  67   // created.
  68   bool media_router_dialog_pending_;
  69
  70   base::WeakPtr<MediaRouterAction> action_;
  71
  72   DISALLOW_COPY_AND_ASSIGN(MediaRouterDialogControllerImpl);
  73 };
  74
  75 }  // namespace media_router
  76
  77 #endif  // CHROME_BROWSER_UI_WEBUI_MEDIA_ROUTER_MEDIA_ROUTER_DIALOG_CONTROLLER_IMPL_H_