Delete athena/

athena/wm/title_drag_controller.h

-// Copyright 2014 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 ATHENA_WM_TITLE_DRAG_CONTROLLER_H_
-#define ATHENA_WM_TITLE_DRAG_CONTROLLER_H_
-
-#include "base/macros.h"
-#include "base/memory/scoped_ptr.h"
-#include "base/memory/weak_ptr.h"
-#include "ui/aura/window_tracker.h"
-#include "ui/events/event_handler.h"
-#include "ui/gfx/geometry/point.h"
-
-namespace aura {
-class Window;
-}
-
-namespace wm {
-class Shadow;
-}
-
-namespace athena {
-
-class TitleDragControllerDelegate {
- public:
-  virtual ~TitleDragControllerDelegate() {}
-
-  // Returns the window behind |window|. The returned window is the one that
-  // would be revealed while |window|'s title is dragged.
-  virtual aura::Window* GetWindowBehind(aura::Window* window) = 0;
-
-  // Notifies the delegate during various stages of the drag.
-  virtual void OnTitleDragStarted(aura::Window* window) = 0;
-  virtual void OnTitleDragCompleted(aura::Window* window) = 0;
-  virtual void OnTitleDragCanceled(aura::Window* window) = 0;
-};
-
-// Responsible for allowing dragging a window by its title bar.
-class TitleDragController : public ui::EventHandler {
- public:
-  TitleDragController(aura::Window* container,
-                      TitleDragControllerDelegate* delegate);
-  ~TitleDragController() override;
-
- private:
-  void EndTransition(aura::Window* window, bool complete);
-  void OnTransitionEnd(aura::Window* window, bool complete);
-
-  // ui::EventHandler:
-  void OnGestureEvent(ui::GestureEvent* gesture) override;
-
-  aura::Window* container_;
-  TitleDragControllerDelegate* delegate_;
-  gfx::Point drag_start_location_;
-  scoped_ptr<wm::Shadow> shadow_;
-  aura::WindowTracker tracker_;
-
-  base::WeakPtrFactory<TitleDragController> weak_ptr_;
-
-  DISALLOW_COPY_AND_ASSIGN(TitleDragController);
-};
-
-}  // namespace athena
-
-#endif  // ATHENA_WM_TITLE_DRAG_CONTROLLER_H_