Index: ash/wm/window_cycle_controller.h |
diff --git a/ash/wm/window_cycle_controller.h b/ash/wm/window_cycle_controller.h |
deleted file mode 100644 |
index 12822c0e0fafe2cb483936f4dfcf7fbaba33acf6..0000000000000000000000000000000000000000 |
--- a/ash/wm/window_cycle_controller.h |
+++ /dev/null |
@@ -1,82 +0,0 @@ |
-// Copyright (c) 2012 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_CYCLE_CONTROLLER_H_ |
-#define ASH_WM_WINDOW_CYCLE_CONTROLLER_H_ |
- |
-#include "ash/ash_export.h" |
-#include "base/basictypes.h" |
-#include "base/memory/scoped_ptr.h" |
- |
-namespace ui { |
-class EventHandler; |
-} |
- |
-namespace ash { |
- |
-class WindowCycleList; |
- |
-// Controls cycling through windows with the keyboard, for example, via alt-tab. |
-// Windows are sorted primarily by most recently used, and then by screen order. |
-// We activate windows as you cycle through them, so the order on the screen |
-// may change during the gesture, but the most recently used list isn't updated |
-// until the cycling ends. Thus we maintain the state of the windows |
-// at the beginning of the gesture so you can cycle through in a consistent |
-// order. |
-class ASH_EXPORT WindowCycleController { |
- public: |
- enum Direction { |
- FORWARD, |
- BACKWARD |
- }; |
- WindowCycleController(); |
- virtual ~WindowCycleController(); |
- |
- // Returns true if cycling through windows is enabled. This is false at |
- // certain times, such as when the lock screen is visible. |
- static bool CanCycle(); |
- |
- // Cycles between windows in the given |direction|. If |is_alt_down| then |
- // interprets this call as the start of a multi-step cycle sequence and |
- // installs a key filter to watch for alt being released. |
- void HandleCycleWindow(Direction direction, bool is_alt_down); |
- |
- // Cycles between windows without maintaining a multi-step cycle sequence |
- // (see above). |
- void HandleLinearCycleWindow(); |
- |
- // Informs the controller that the Alt key has been released and it can |
- // terminate the existing multi-step cycle. |
- void AltKeyReleased(); |
- |
- // Returns true if we are in the middle of a window cycling gesture. |
- bool IsCycling() const { return windows_.get() != NULL; } |
- |
- // Returns the WindowCycleList. Really only useful for testing. |
- const WindowCycleList* windows() const { return windows_.get(); } |
- |
- private: |
- // Call to start cycling windows. You must call StopCycling() when done. |
- void StartCycling(); |
- |
- // Cycles to the next or previous window based on |direction|. |
- void Step(Direction direction); |
- |
- // Installs an event filter to watch for release of the alt key. |
- void InstallEventFilter(); |
- |
- // Stops the current window cycle and cleans up the event filter. |
- void StopCycling(); |
- |
- scoped_ptr<WindowCycleList> windows_; |
- |
- // Event handler to watch for release of alt key. |
- scoped_ptr<ui::EventHandler> event_handler_; |
- |
- DISALLOW_COPY_AND_ASSIGN(WindowCycleController); |
-}; |
- |
-} // namespace ash |
- |
-#endif // ASH_WM_WINDOW_CYCLE_CONTROLLER_H_ |