Drag and rotate windows

ui/aura_shell/workspace/workspace.h

Index: ui/aura_shell/workspace/workspace.h
diff --git a/ui/aura_shell/workspace/workspace.h b/ui/aura_shell/workspace/workspace.h
index 136c88bc24ee9dfef4a62e3ef880edaa081e94cf..86a9849c2bd7504870739e5870315dfebe3ab7bc 100644
--- a/ui/aura_shell/workspace/workspace.h
+++ b/ui/aura_shell/workspace/workspace.h
@@ -55,12 +55,26 @@ class AURA_SHELL_EXPORT Workspace {
   // Return true if this workspace has the |window|.
   bool Contains(aura::Window* window) const;
 
+  // Returns a window to swap based on the |position|. See implementation

[sky, 2011/10/27 00:53:03]

I would nuke the second sentence and leave it at the first.

[oshima, 2011/10/27 16:16:27]

Done.

+  // for more details about exactly how a window is selected.
+  aura::Window* FindSwapWindowForLocation(const gfx::Point& position);
+
+  // Swaps the location of window |drag| and window |target| within this
+  // workspace. It re-layouts windows except for the window |drag|.
+  void SwapWindow(aura::Window* drag, aura::Window* target);

[sky, 2011/10/27 00:53:03]

nit: rename 'drag' to 'source' and name this SwapWindows.

[oshima, 2011/10/27 16:16:27]

Done.

+
+  // Replaces the window |window| in this workspace with |with|. It re-layouts
+  // only when |relayout| is true.
+  void ReplaceWindow(aura::Window* window, aura::Window* with, bool relayout);
+
   // Activates this workspace.
   void Activate();
 
-  // Layout windows. Moving animation is applied to all windows except
-  // for the window specified by |no_animation|.
-  void Layout(aura::Window* no_animation);
+  // Layout windows. The workspace doesn't set bounds on the |ignore| if it's
+  // given. It still uses the |ignore| window's bounds to calculate
+  // bounds for other windows. Moving animation is applied to all
+  // windows except for the window specified by |no_animation| and |ignore|.
+  void Layout(aura::Window* ignore, aura::Window* no_animation);
 
  private:
   FRIEND_TEST_ALL_PREFIXES(WorkspaceTest, WorkspaceBasic);
@@ -77,6 +91,9 @@ class AURA_SHELL_EXPORT Workspace {
                     const gfx::Point& origin,
                     bool animate);
 
+  // Returns the sum of all window's width.
+  int GetTotalWindowsWidth() const;
+
   WorkspaceManager* workspace_manager_;
 
   gfx::Rect bounds_;