Move WindowResizer to CoreWM.

ash/wm/window_resizer.h

Index: ash/wm/window_resizer.h
===================================================================
--- ash/wm/window_resizer.h	(revision 173169)
+++ ash/wm/window_resizer.h	(working copy)
@@ -1,134 +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_RESIZER_H_
-#define ASH_WM_WINDOW_RESIZER_H_
-
-#include "ash/ash_export.h"
-#include "base/basictypes.h"
-#include "base/memory/scoped_ptr.h"
-#include "ui/gfx/rect.h"
-
-namespace aura {
-class Window;
-}
-
-namespace ash {
-
-// WindowResizer is used by ToplevelWindowEventFilter to handle dragging, moving
-// or resizing a window. All coordinates passed to this are in the parent
-// windows coordinates.
-class ASH_EXPORT WindowResizer {
- public:
-  // Constants to identify the type of resize.
-  static const int kBoundsChange_None;
-  static const int kBoundsChange_Repositions;
-  static const int kBoundsChange_Resizes;
-
-  // Used to indicate which direction the resize occurs in.
-  static const int kBoundsChangeDirection_None;
-  static const int kBoundsChangeDirection_Horizontal;
-  static const int kBoundsChangeDirection_Vertical;
-
-  WindowResizer();
-  virtual ~WindowResizer();
-
-  // Returns a bitmask of the kBoundsChange_ values.
-  static int GetBoundsChangeForWindowComponent(int component);
-
-  // Invoked to drag/move/resize the window. |location| is in the coordinates
-  // of the window supplied to the constructor. |event_flags| is the event
-  // flags from the event.
-  virtual void Drag(const gfx::Point& location, int event_flags) = 0;
-
-  // Invoked to complete the drag.
-  virtual void CompleteDrag(int event_flags) = 0;
-
-  // Reverts the drag.
-  virtual void RevertDrag() = 0;
-
-  // Returns the target window the resizer was created for.
-  virtual aura::Window* GetTarget() = 0;
-
- protected:
-  struct Details {
-    Details();
-    Details(aura::Window* window,
-            const gfx::Point& location,
-            int window_component);
-    ~Details();
-
-    // The window we're resizing.
-    aura::Window* window;
-
-    // Initial bounds of the window in parent coordinates.
-    gfx::Rect initial_bounds_in_parent;
-
-    // Restore bounds (in screen coordinates) of the window before the drag
-    // started. Only set if the window is normal and is being dragged.
-    gfx::Rect restore_bounds;
-
-    // Location passed to the constructor, in |window->parent()|'s coordinates.
-    gfx::Point initial_location_in_parent;
-
-    // Initial opacity of the window.
-    float initial_opacity;
-
-    // The component the user pressed on.
-    int window_component;
-
-    // Bitmask of the |kBoundsChange_| constants.
-    int bounds_change;
-
-    // Bitmask of the |kBoundsChangeDirection_| constants.
-    int position_change_direction;
-
-    // Bitmask of the |kBoundsChangeDirection_| constants.
-    int size_change_direction;
-
-    // Will the drag actually modify the window?
-    bool is_resizable;
-  };
-
-  static gfx::Rect CalculateBoundsForDrag(const Details& details,
-                                          const gfx::Point& location);
-
-  static gfx::Rect AdjustBoundsToGrid(const gfx::Rect& bounds,
-                                      int grid_size);
-
-  static bool IsBottomEdge(int component);
-
- private:
-  // Returns the new origin of the window. The arguments are the difference
-  // between the current location and the initial location.
-  static gfx::Point GetOriginForDrag(const Details& details,
-                                     int delta_x,
-                                     int delta_y);
-
-  // Returns the size of the window for the drag.
-  static gfx::Size GetSizeForDrag(const Details& details,
-                                  int* delta_x,
-                                  int* delta_y);
-
-  // Returns the width of the window.
-  static int GetWidthForDrag(const Details& details,
-                             int min_width,
-                             int* delta_x);
-
-  // Returns the height of the drag.
-  static int GetHeightForDrag(const Details& details,
-                              int min_height,
-                              int* delta_y);
-};
-
-// Creates a WindowResizer for |window|. This can return a scoped_ptr
-// initialized with NULL if |window| should not be resized nor dragged.
-ASH_EXPORT scoped_ptr<WindowResizer> CreateWindowResizer(
-    aura::Window* window,
-    const gfx::Point& point_in_parent,
-    int window_component);
-
-}  // namespace aura
-
-#endif  // ASH_WM_WINDOW_RESIZER_H_