ash/system/cast/tray_cast.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 ASH_SYSTEM_CAST_TRAY_CAST_H_
   6 #define ASH_SYSTEM_CAST_TRAY_CAST_H_
   7
   8 #include "ash/cast_config_delegate.h"
   9 #include "ash/shell_observer.h"
  10 #include "ash/system/tray/system_tray_item.h"
  11 #include "base/memory/weak_ptr.h"
  12
  13 namespace ash {
  14 namespace tray {
  15 class CastTrayView;
  16 class CastSelectDefaultView;
  17 class CastDetailedView;
  18 class CastDuplexView;
  19 }  // namespace tray
  20
  21 class TrayCast : public SystemTrayItem, public ShellObserver {
  22  public:
  23   explicit TrayCast(SystemTray* system_tray);
  24   ~TrayCast() override;
  25
  26  private:
  27   // Overridden from SystemTrayItem.
  28   views::View* CreateTrayView(user::LoginStatus status) override;
  29   views::View* CreateDefaultView(user::LoginStatus status) override;
  30   views::View* CreateDetailedView(user::LoginStatus status) override;
  31   void DestroyTrayView() override;
  32   void DestroyDefaultView() override;
  33   void DestroyDetailedView() override;
  34   void UpdateAfterShelfAlignmentChange(ShelfAlignment alignment) override;
  35
  36   // Overridden from ShellObserver.
  37   void OnCastingSessionStartedOrStopped(bool started) override;
  38
  39   // Returns true if the cast extension was detected.
  40   bool HasCastExtension();
  41
  42   // Callback used to enable/disable the begin casting view depending on
  43   // if we have any cast receivers.
  44   void UpdateCachedReceiverState(
  45       const CastConfigDelegate::ReceiversAndActivites& receivers_activities);
  46
  47   // This makes sure that the current view displayed in the tray is the correct
  48   // one, depending on if we are currently casting. If we're casting, then a
  49   // view with a stop button is displayed; otherwise, a view that links to a
  50   // detail view is displayed instead that allows the user to easily begin a
  51   // casting session.
  52   void UpdatePrimaryView();
  53
  54   // Not owned.
  55   tray::CastTrayView* tray_ = nullptr;
  56   tray::CastDuplexView* default_ = nullptr;
  57   tray::CastDetailedView* detailed_ = nullptr;
  58   CastConfigDelegate* cast_config_delegate_;
  59
  60   bool has_cast_receivers_ = false;
  61   bool is_casting_ = false;
  62   base::WeakPtrFactory<TrayCast> weak_ptr_factory_;
  63
  64   DISALLOW_COPY_AND_ASSIGN(TrayCast);
  65 };
  66
  67 }  // namespace ash
  68
  69 #endif  // ASH_SYSTEM_CAST_TRAY_CAST_H_