Only support left/right maximizing at 50% width when the --ash-enable-alternate-caption-button

ash/wm/workspace/workspace_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_WORKSPACE_WINDOW_RESIZER_H_
 #define ASH_WM_WORKSPACE_WINDOW_RESIZER_H_
 
 #include <vector>
 
 #include "ash/wm/window_resizer.h"
 #include "ash/wm/workspace/magnetism_matcher.h"
 #include "base/compiler_specific.h"
 #include "base/gtest_prod_util.h"
 #include "base/memory/scoped_ptr.h"
 #include "ui/aura/window_tracker.h"
 
 namespace ash {
 namespace internal {
 
 class PhantomWindowController;
-class SnapSizer;
 class WindowSize;
 
 // WindowResizer implementation for workspaces. This enforces that windows are
 // not allowed to vertically move or resize outside of the work area. As windows
 // are moved outside the work area they are shrunk. We remember the height of
 // the window before it was moved so that if the window is again moved up we
 // attempt to restore the old height.
 class ASH_EXPORT WorkspaceWindowResizer : public WindowResizer {
  public:
   // When dragging an attached window this is the min size we'll make sure is
@@ skipping 35 matching lines @@
                          const std::vector<aura::Window*>& attached_windows);
 
  private:
   FRIEND_TEST_ALL_PREFIXES(WorkspaceWindowResizerTest, CancelSnapPhantom);
   FRIEND_TEST_ALL_PREFIXES(WorkspaceWindowResizerTest, PhantomSnapMaxSize);
   FRIEND_TEST_ALL_PREFIXES(WorkspaceWindowResizerTest, PhantomWindowShow);
 
   // Type of snapping.
   enum SnapType {
     // Snap to the left/right edge of the screen.
-    SNAP_LEFT_EDGE,
-    SNAP_RIGHT_EDGE,
+    SNAP_LEFT,
+    SNAP_RIGHT,
 
     // No snap position.
     SNAP_NONE
   };
 
-  // Returns the final bounds to place the window at. This differs from
-  // the current when snapping.
-  gfx::Rect GetFinalBounds(const gfx::Rect& bounds) const;
-
   // Lays out the attached windows. |bounds| is the bounds of the main window.
   void LayoutAttachedWindows(gfx::Rect* bounds);
 
   // Calculates the new sizes of the attached windows, given that the main
   // window has been resized (along the primary axis) by |delta|.
   // |available_size| is the maximum length of the space that the attached
   // windows are allowed to occupy (ie: the distance between the right/bottom
   // edge of the primary window and the right/bottom of the desktop area).
   // Populates |sizes| with the desired sizes of the attached windows, and
   // returns the number of pixels that couldn't be allocated to the attached
@@ skipping 82 matching lines @@
   // Sum of the minimum sizes of the attached windows.
   int total_min_;
 
   // Sum of the sizes in |initial_size_|.
   int total_initial_size_;
 
   // Gives a previews of where the the window will end up. Only used if there
   // is a grid and the caption is being dragged.
   scoped_ptr<PhantomWindowController> snap_phantom_window_controller_;
 
-  // Used to determine the target position of a snap.
-  scoped_ptr<SnapSizer> snap_sizer_;
-
   // Last SnapType.
   SnapType snap_type_;
 
   // Number of mouse moves since the last bounds change. Only used for phantom
   // placement to track when the mouse is moved while pushed against the edge of
   // the screen.
   int num_mouse_moves_since_bounds_change_;
 
   // The mouse location passed to Drag().
   gfx::Point last_mouse_location_;
 
   // Window the drag has magnetically attached to.
   aura::Window* magnetism_window_;
 
   // Used to verify |magnetism_window_| is still valid.
   aura::WindowTracker window_tracker_;
 
   // If |magnetism_window_| is non-NULL this indicates how the two windows
   // should attach.
   MatchedEdge magnetism_edge_;
 
   DISALLOW_COPY_AND_ASSIGN(WorkspaceWindowResizer);
 };
 
 }  // namespace internal
 }  // namespace ash
 
 #endif  // ASH_WM_WORKSPACE_WINDOW_RESIZER_H_