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 WindowListProvider; 13 class WindowManagerObserver; 14 15 // Manages the application, web windows. 16 class ATHENA_EXPORT WindowManager { 17 public: 18 // Creates and deletes the singleton object of the WindowManager 19 // implementation. 20 static WindowManager* Create(); 21 static void Shutdown(); 22 static WindowManager* Get(); 23 24 virtual ~WindowManager() {} 25 26 virtual void ToggleOverview() = 0; 27 28 virtual bool IsOverviewModeActive() = 0; 29 30 virtual void AddObserver(WindowManagerObserver* observer) = 0; 31 virtual void RemoveObserver(WindowManagerObserver* observer) = 0; 32 33 virtual void ToggleSplitViewForTest() = 0; 34 35 // This returns the window list provider of the current MRU order of windows. 36 // The ownership remains with the WindowManager. 37 virtual WindowListProvider* GetWindowListProvider() = 0; 38 }; 39 40 } // namespace athena 41 42 #endif // ATHENA_SCREEN_PUBLIC_WINDOW_MANAGER_H_ 43