Move code related to the window controls to ash/wm/caption_buttons

ash/wm/workspace/alternate_frame_caption_button.h

-// 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_WORKSPACE_ALTERNATE_FRAME_CAPTION_BUTTON_H_
-#define ASH_WM_WORKSPACE_ALTERNATE_FRAME_CAPTION_BUTTON_H_
-
-#include "ash/ash_export.h"
-#include "base/memory/scoped_ptr.h"
-#include "ui/views/controls/button/custom_button.h"
-
-namespace ui {
-class SlideAnimation;
-}
-
-namespace ash {
-
-// Base class for buttons using the alternate button style.
-class ASH_EXPORT AlternateFrameCaptionButton : public views::CustomButton {
- public:
-  static const char kViewClassName[];
-
-  enum Action {
-    ACTION_MINIMIZE,
-    ACTION_MAXIMIZE_RESTORE,
-    ACTION_CLOSE
-  };
-
-  AlternateFrameCaptionButton(views::ButtonListener* listener, Action action);
-  virtual ~AlternateFrameCaptionButton();
-
-  // Returns the amount in pixels that the button should overlap with the button
-  // on the left and right of it.
-  static int GetXOverlap();
-
-  // views::View overrides:
-  virtual gfx::Size GetPreferredSize() OVERRIDE;
-  virtual const char* GetClassName() const OVERRIDE;
-  virtual bool HitTestRect(const gfx::Rect& rect) const OVERRIDE;
-  virtual void OnPaint(gfx::Canvas* canvas) OVERRIDE;
-
- private:
-  // Animates the background bubble for the current views::ButtonState.
-  void MaybeStartNewBubbleAnimation();
-
-  // views::CustomButton override:
-  virtual void StateChanged() OVERRIDE;
-
-  // ui::AnimateDelegate overrides. (views::CustomButton inherits from
-  // ui::AnimationDelegate).
-  virtual void AnimationProgressed(const ui::Animation* animation) OVERRIDE;
-  virtual void AnimationEnded(const ui::Animation* animation) OVERRIDE;
-
-  Action action_;
-
-  // The radius of the background bubble when it is hidden.
-  double hidden_bubble_radius_;
-
-  // The radius of the background bubble when it is visible.
-  double shown_bubble_radius_;
-
-  scoped_ptr<ui::SlideAnimation> bubble_animation_;
-
-  DISALLOW_COPY_AND_ASSIGN(AlternateFrameCaptionButton);
-};
-
-}  // namespace ash
-
-#endif  // ASH_WM_WORKSPACE_ALTERNATE_FRAME_CAPTION_BUTTON_H_