Prevents panels attached to shelf from docking

ash/wm/dock/docked_window_resizer.h

 // Copyright (c) 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_DOCK_DOCK_WINDOW_RESIZER_H_
 #define ASH_WM_DOCK_DOCK_WINDOW_RESIZER_H_
 
 #include "ash/wm/dock/dock_types.h"
 #include "ash/wm/window_resizer.h"
 #include "base/compiler_specific.h"
@@ skipping 17 matching lines @@
 // DockWindowResizer is used by ToplevelWindowEventFilter to handle dragging,
 // moving or resizing of a window while it is docked to the side of a screen.
 class ASH_EXPORT DockedWindowResizer : public WindowResizer {
  public:
   virtual ~DockedWindowResizer();
 
   // Creates a new DockWindowResizer. The caller takes ownership of the
   // returned object. The ownership of |next_window_resizer| is taken by the
   // returned object. Returns NULL if not resizable.
   static DockedWindowResizer* Create(WindowResizer* next_window_resizer,
-                                     aura::Window* window,
-                                     const gfx::Point& location,
-                                     int window_component,
-                                     aura::client::WindowMoveSource source);
+                                     wm::WindowState* window_state);
 
   // WindowResizer:
   virtual void Drag(const gfx::Point& location, int event_flags) OVERRIDE;
   virtual void CompleteDrag() OVERRIDE;
   virtual void RevertDrag() OVERRIDE;
-  virtual aura::Window* GetTarget() OVERRIDE;
-  virtual const gfx::Point& GetInitialLocation() const OVERRIDE;
 
  private:
   // Creates DockWindowResizer that adds the ability to attach / detach
   // windows to / from the dock. This object takes ownership of
   // |next_window_resizer|.
   DockedWindowResizer(WindowResizer* next_window_resizer,
-                      const Details& details);
+                      wm::WindowState* window_state);
 
   // If the provided window bounds should snap to the side of a screen,
   // returns the offset that gives the necessary adjustment to snap.
   void MaybeSnapToEdge(const gfx::Rect& bounds, gfx::Point* offset);
 
   // Tracks the window's initial position and attachment at the start of a drag
   // and informs the DockLayoutManager that a drag has started if necessary.
   void StartedDragging();
 
   // Informs the DockLayoutManager that the drag is complete if it was informed
   // of the drag start.
   void FinishedDragging();
 
   // Reparents dragged window as necessary to the docked container or back to
   // workspace at the end of the drag. Calculates and returns action taken that
   // can be reported in UMA stats. |is_resized| reports if the window is merely
   // being resized rather than repositioned. |attached_panel| is necessary to
   // avoid docking panels that have been attached to the launcher shelf at the
   // end of the drag.
   DockedAction MaybeReparentWindowOnDragCompletion(bool is_resized,
                                                    bool is_attached_panel);
 
-  const Details details_;
-
   gfx::Point last_location_;
 
   // Wraps a window resizer and adds detaching / reattaching during drags.
   scoped_ptr<WindowResizer> next_window_resizer_;
 
   // Dock container window.
   internal::DockedWindowLayoutManager* dock_layout_;
   internal::DockedWindowLayoutManager* initial_dock_layout_;
 
   // Set to true once Drag() is invoked and the bounds of the window change.
@@ skipping 11 matching lines @@
 
   base::WeakPtrFactory<DockedWindowResizer> weak_ptr_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(DockedWindowResizer);
 };
 
 }  // namespace internal
 }  // namespace ash
 
 #endif  // ASH_WM_DOCK_DOCK_WINDOW_RESIZER_H_