1 // Copyright 2013 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_WM_OVERVIEW_WINDOW_SELECTOR_CONTROLLER_H_ 6 #define ASH_WM_OVERVIEW_WINDOW_SELECTOR_CONTROLLER_H_ 7 8 #include <list> 9 #include <vector> 10 11 #include "ash/ash_export.h" 12 #include "ash/wm/overview/window_selector.h" 13 #include "ash/wm/overview/window_selector_delegate.h" 14 #include "base/basictypes.h" 15 #include "base/memory/scoped_ptr.h" 16 #include "base/time/time.h" 17 #include "ui/aura/window_observer.h" 18 19 namespace aura { 20 class Window; 21 } 22 23 namespace ash { 24 class WindowSelector; 25 class WindowSelectorTest; 26 27 // Manages a window selector which displays an overview of all windows and 28 // allows selecting a window to activate it. 29 class ASH_EXPORT WindowSelectorController 30 : public WindowSelectorDelegate { 31 public: 32 WindowSelectorController(); 33 virtual ~WindowSelectorController(); 34 35 // Returns true if selecting windows in an overview is enabled. This is false 36 // at certain times, such as when the lock screen is visible. 37 static bool CanSelect(); 38 39 // Enters overview mode. This is essentially the window cycling mode however 40 // not released on releasing the alt key and allows selecting with the mouse 41 // or touch rather than keypresses. 42 void ToggleOverview(); 43 44 // Returns true if window selection mode is active. 45 bool IsSelecting(); 46 47 // WindowSelectorDelegate: 48 virtual void OnSelectionEnded() OVERRIDE; 49 50 private: 51 friend class WindowSelectorTest; 52 53 // Dispatched when window selection begins. 54 void OnSelectionStarted(); 55 56 scoped_ptr<WindowSelector> window_selector_; 57 base::Time last_selection_time_; 58 59 DISALLOW_COPY_AND_ASSIGN(WindowSelectorController); 60 }; 61 62 } // namespace ash 63 64 #endif // ASH_WM_OVERVIEW_WINDOW_SELECTOR_CONTROLLER_H_ 65