Add workspace to desktop

ui/aura_shell/workspace/workspace.h

 // Copyright (c) 2011 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 UI_AURA_SHELL_WORKSPACE_WORKSPACE_H_
 #define UI_AURA_SHELL_WORKSPACE_WORKSPACE_H_
 
 #include <vector>
 
 #include "base/basictypes.h"
 #include "base/gtest_prod_util.h"
 #include "ui/aura_shell/aura_shell_export.h"
 #include "ui/gfx/rect.h"
 
 namespace aura {
 class Window;
 }
 
 namespace aura_shell {
 class WorkspaceManager;
 class WorkspaceTest;
 
-// A workspace is a partial area of the entire desktop that is visible to
-// a user at a given time. The size of workspace is generally same as
-// the size of the monitor, and the desktiop can have multiple workspaces.
-//  One workspace can contains limited number of windows and
-// the workspace manager may create new workspace if there is
-// no room for new windowk.
-//
-// TODO(oshima): Add a work area bounds for workspace. It will be used to
-// limit the resize, layout and as bounds for a maximized window.
+// A workspace is a partial area of the entire desktop (viewport) that
+// is visible to the user at a given time. The size of the workspace is
+// generally the same as the size of the monitor, and the desktop can
+// have multiple workspaces.
+// A workspace contains a limited number of windows and the workspace
+// manager may create a new workspace if there is not enough room for
+// a new window.
 class AURA_SHELL_EXPORT Workspace {
  public:
   explicit Workspace(WorkspaceManager* manager);
   virtual ~Workspace();
 
   //  Returns true if this workspace has no windows.
   bool is_empty() const { return windows_.empty(); }
 
   // Sets/gets bounds of this workspace.
   const gfx::Rect& bounds() { return bounds_; }
   void SetBounds(const gfx::Rect& bounds);
 
+  // Returns the work area bounds of this workspace in viewport
+  // coordinates.
+  gfx::Rect GetWorkAreaBounds() const;
+
   // Adds the |window| at the position after the window |after|.  It
   // inserts at the end if |after| is NULL. Return true if the
   // |window| was successfully added to this workspace, or false if it
   // failed.
   bool AddWindowAfter(aura::Window* window, aura::Window* after);
 
   // Removes the |window| from this workspace.
   void RemoveWindow(aura::Window* window);
 
   // Return true if this workspace has the |window|.
   bool Contains(aura::Window* window) const;
 
   // 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);
+
  private:
   FRIEND_TEST_ALL_PREFIXES(WorkspaceTest, WorkspaceBasic);
 
   // Returns the index in layout order of the |window| in this workspace.
   int GetIndexOf(aura::Window* window) const;
 
   // Returns true if the given |window| can be added to this workspace.
   bool CanAdd(aura::Window* window) const;
 
+  // Moves |window| to the given point. It performs animation when
+  // |animate| is true.
+  void MoveWindowTo(aura::Window* window,
+                    const gfx::Point& origin,
+                    bool animate);
+
   WorkspaceManager* workspace_manager_;
 
   gfx::Rect bounds_;
 
   // Windows in the workspace in layout order.
   std::vector<aura::Window*> windows_;
 
   DISALLOW_COPY_AND_ASSIGN(Workspace);
 };
 
 typedef std::vector<Workspace*> Workspaces;
 
 }  // namespace aura_shell
 
 #endif  // UI_AURA_SHELL_WORKSPACE_WORKSPACE_H_