athena/wm/public/window_manager.h

   1 // Copyright 2014 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 ATHENA_SCREEN_PUBLIC_WINDOW_MANAGER_H_
   6 #define ATHENA_SCREEN_PUBLIC_WINDOW_MANAGER_H_
   7
   8 #include "athena/athena_export.h"
   9
  10 namespace athena {
  11
  12 class WindowManagerObserver;
  13
  14 // Manages the application, web windows.
  15 class ATHENA_EXPORT WindowManager {
  16  public:
  17   // Creates and deletes the singleton object of the WindowManager
  18   // implementation.
  19   static WindowManager* Create();
  20   static void Shutdown();
  21   static WindowManager* GetInstance();
  22
  23   virtual ~WindowManager() {}
  24
  25   virtual void ToggleOverview() = 0;
  26
  27   virtual bool IsOverviewModeActive() = 0;
  28
  29   virtual void AddObserver(WindowManagerObserver* observer) = 0;
  30   virtual void RemoveObserver(WindowManagerObserver* observer) = 0;
  31 };
  32
  33 }  // namespace athena
  34
  35 #endif  // ATHENA_SCREEN_PUBLIC_WINDOW_MANAGER_H_