| // Copyright 2013 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 ASH_WM_WINDOW_SELECTOR_CONTROLLER_H_ |
| #define ASH_WM_WINDOW_SELECTOR_CONTROLLER_H_ |
| |
| #include <list> |
| #include <vector> |
| |
| #include "ash/ash_export.h" |
| #include "ash/wm/window_selector.h" |
| #include "ash/wm/window_selector_delegate.h" |
| #include "base/basictypes.h" |
| #include "base/memory/scoped_ptr.h" |
| #include "ui/aura/window_observer.h" |
| |
| namespace aura { |
| class Window; |
| } |
| |
| namespace ui { |
| class EventHandler; |
| } |
| |
| namespace ash { |
| |
| class WindowSelector; |
| |
| // Manages a window selector which displays an overview of all windows and |
| // allows selecting a window to activate it. |
| class ASH_EXPORT WindowSelectorController |
| : public WindowSelectorDelegate { |
| public: |
| WindowSelectorController(); |
| virtual ~WindowSelectorController(); |
| |
| // Returns true if selecting windows in an overview is enabled. This is false |
| // at certain times, such as when the lock screen is visible. |
| static bool CanSelect(); |
| |
| // Enters overview mode. This is essentially the window cycling mode however |
| // not released on releasing the alt key and allows selecting with the mouse |
| // or touch rather than keypresses. |
| void ToggleOverview(); |
| |
| // Cycles between windows in the given |direction|. It is assumed that the |
| // alt key is held down and a key filter is installed to watch for alt being |
| // released. |
| void HandleCycleWindow(WindowSelector::Direction direction); |
| |
| // Informs the controller that the Alt key has been released and it can |
| // terminate the existing multi-step cycle. |
| void AltKeyReleased(); |
| |
| // Returns true if window selection mode is active. |
| bool IsSelecting(); |
| |
| // WindowSelectorDelegate: |
| virtual void OnWindowSelected(aura::Window* window) OVERRIDE; |
| virtual void OnSelectionCanceled() OVERRIDE; |
| |
| private: |
| scoped_ptr<WindowSelector> window_selector_; |
| scoped_ptr<ui::EventHandler> event_handler_; |
| |
| DISALLOW_COPY_AND_ASSIGN(WindowSelectorController); |
| }; |
| |
| } // namespace ash |
| |
| #endif // ASH_WM_WINDOW_SELECTOR_CONTROLLER_H_ |