Stick windows to sides of workspaces

ash/wm/window_resizer.h

 // 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 {
 
+namespace internal {
+
+class DragWindowResizerTest;
+class PanelWindowResizerTest;
+
+}  // namespace internal
+
 // 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;
 
@@ skipping 16 matching lines @@
   // 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:
+  friend class internal::DragWindowResizerTest;
+  friend class internal::PanelWindowResizerTest;
+
+  // See comment for |Details::initial_location_in_parent|.
+  virtual const gfx::Point& GetInitialLocationForTest() const = 0;

[sky, 2013/06/17 19:49:47]

There is no point in hiding this. Make it public and nuke the 'ForTest'. This
way you can get rid of the friends and all that.

[varkha, 2013/06/17 20:34:57]

Done.

+
   struct Details {
     Details();
     Details(aura::Window* window,
             const gfx::Point& location,
             int window_component);
     ~Details();
 
     // The window we're resizing.
     aura::Window* window;
 
@@ skipping 57 matching lines @@
                               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
+}  // namespace ash
 
 #endif  // ASH_WM_WINDOW_RESIZER_H_