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| 1 // Copyright 2016 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 UI_ARC_NOTIFICATION_ARC_NOTIFICATION_SURFACE_COLLECTION_H_ |
| 6 #define UI_ARC_NOTIFICATION_ARC_NOTIFICATION_SURFACE_COLLECTION_H_ |
| 7 |
| 8 #include <map> |
| 9 #include <string> |
| 10 |
| 11 #include "base/macros.h" |
| 12 #include "base/observer_list.h" |
| 13 #include "components/exo/display_observer.h" |
| 14 #include "components/exo/notification_surface.h" |
| 15 |
| 16 namespace exo { |
| 17 class NotificationSurface; |
| 18 } |
| 19 |
| 20 namespace arc { |
| 21 |
| 22 class ArcNotificationManager; |
| 23 |
| 24 // Keeps track of NotificationSurface created in exo::Display. |
| 25 class ArcNotificationSurfaceCollection |
| 26 : public exo::DisplayObserver, |
| 27 public exo::NotificationSurface::Observer { |
| 28 public: |
| 29 class Observer { |
| 30 public: |
| 31 // Invoked when a notification surface is added. |
| 32 virtual void OnNotificationSurfaceAdded( |
| 33 exo::NotificationSurface* surface) = 0; |
| 34 |
| 35 protected: |
| 36 virtual ~Observer() = default; |
| 37 }; |
| 38 |
| 39 ArcNotificationSurfaceCollection(); |
| 40 ~ArcNotificationSurfaceCollection() override; |
| 41 |
| 42 exo::NotificationSurface* GetSurface( |
| 43 const std::string& arc_notification_key) const; |
| 44 |
| 45 void AddObserver(Observer* observer); |
| 46 void RemoveObserver(Observer* observer); |
| 47 |
| 48 private: |
| 49 void AddSurface(exo::NotificationSurface* surface); |
| 50 |
| 51 // exo::DisplayObserver |
| 52 void OnNotificationSurfaceCreated( |
| 53 exo::NotificationSurface* surface) override; |
| 54 |
| 55 // exo::NotificationSurface::Observer |
| 56 void OnNotificationSurfaceDestroying( |
| 57 exo::NotificationSurface* surface) override; |
| 58 |
| 59 using NotificationSurfaceMap = |
| 60 std::map<std::string, exo::NotificationSurface*>; |
| 61 NotificationSurfaceMap notification_surface_map_; |
| 62 |
| 63 base::ObserverList<Observer> observers_; |
| 64 |
| 65 DISALLOW_COPY_AND_ASSIGN(ArcNotificationSurfaceCollection); |
| 66 }; |
| 67 |
| 68 } // namespace arc |
| 69 |
| 70 #endif // UI_ARC_NOTIFICATION_ARC_NOTIFICATION_SURFACE_COLLECTION_H_ |
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