Index: ui/arc/notification/arc_notification_surface_collection.h |
diff --git a/ui/arc/notification/arc_notification_surface_collection.h b/ui/arc/notification/arc_notification_surface_collection.h |
new file mode 100644 |
index 0000000000000000000000000000000000000000..d5cb3a26ea4cbdeb9ff44e0675ef045f6156a0a4 |
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+++ b/ui/arc/notification/arc_notification_surface_collection.h |
@@ -0,0 +1,70 @@ |
+// Copyright 2016 The Chromium Authors. All rights reserved. |
+// Use of this source code is governed by a BSD-style license that can be |
+// found in the LICENSE file. |
+ |
+#ifndef UI_ARC_NOTIFICATION_ARC_NOTIFICATION_SURFACE_COLLECTION_H_ |
+#define UI_ARC_NOTIFICATION_ARC_NOTIFICATION_SURFACE_COLLECTION_H_ |
+ |
+#include <map> |
+#include <string> |
+ |
+#include "base/macros.h" |
+#include "base/observer_list.h" |
+#include "components/exo/display_observer.h" |
+#include "components/exo/notification_surface.h" |
+ |
+namespace exo { |
+class NotificationSurface; |
+} |
+ |
+namespace arc { |
+ |
+class ArcNotificationManager; |
+ |
+// Keeps track of NotificationSurface created in exo::Display. |
+class ArcNotificationSurfaceCollection |
+ : public exo::DisplayObserver, |
+ public exo::NotificationSurface::Observer { |
+ public: |
+ class Observer { |
+ public: |
+ // Invoked when a notification surface is added. |
+ virtual void OnNotificationSurfaceAdded( |
+ exo::NotificationSurface* surface) = 0; |
+ |
+ protected: |
+ virtual ~Observer() = default; |
+ }; |
+ |
+ ArcNotificationSurfaceCollection(); |
+ ~ArcNotificationSurfaceCollection() override; |
+ |
+ exo::NotificationSurface* GetSurface( |
+ const std::string& arc_notification_key) const; |
+ |
+ void AddObserver(Observer* observer); |
+ void RemoveObserver(Observer* observer); |
+ |
+ private: |
+ void AddSurface(exo::NotificationSurface* surface); |
+ |
+ // exo::DisplayObserver |
+ void OnNotificationSurfaceCreated( |
+ exo::NotificationSurface* surface) override; |
+ |
+ // exo::NotificationSurface::Observer |
+ void OnNotificationSurfaceDestroying( |
+ exo::NotificationSurface* surface) override; |
+ |
+ using NotificationSurfaceMap = |
+ std::map<std::string, exo::NotificationSurface*>; |
+ NotificationSurfaceMap notification_surface_map_; |
+ |
+ base::ObserverList<Observer> observers_; |
+ |
+ DISALLOW_COPY_AND_ASSIGN(ArcNotificationSurfaceCollection); |
+}; |
+ |
+} // namespace arc |
+ |
+#endif // UI_ARC_NOTIFICATION_ARC_NOTIFICATION_SURFACE_COLLECTION_H_ |