Move some more WM functionality down into ash.

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 {
-namespace internal {
-
-class WorkspaceManager;
-class WorkspaceTest;
-
-// 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();
-
-  // Specifies the direction to shift windows in |ShiftWindows()|.
-  enum ShiftDirection {
-    SHIFT_TO_RIGHT,
-    SHIFT_TO_LEFT
-  };
-
-  //  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 |window| from this workspace.
-  void RemoveWindow(aura::Window* window);
-
-  // Return true if this workspace has |window|.
-  bool Contains(aura::Window* window) const;
-
-  // Returns a window to rotate to based on |position|.
-  aura::Window* FindRotateWindowForLocation(const gfx::Point& position);
-
-  // Rotates the windows by removing |source| and inserting it to the
-  // position that |target| was in. It re-layouts windows except for |source|.
-  void RotateWindows(aura::Window* source, aura::Window* target);
-
-  // Shift the windows in the workspace by inserting |window| until it
-  // reaches |until|. If |direction| is |SHIFT_TO_RIGHT|, |insert| is
-  // inserted at the position of |target| or at the beginning if
-  // |target| is NULL. If |direction| is |SHIFT_TO_LEFT|, |insert| is
-  // inserted after the position of |target|, or at the end if
-  // |target| is NULL.  It returns the window that is overflowed by
-  // shifting, or NULL if shifting stopped at |until|.
-  aura::Window* ShiftWindows(aura::Window* insert,
-                             aura::Window* until,
-                             aura::Window* target,
-                             ShiftDirection direction);
-
-  // Activates this workspace.
-  void Activate();
-
-  // Layout windows. The workspace doesn't set bounds on
-  // |WorkspaceManager::ignored_window| if it's set. It still uses the 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* no_animation);
-
-  // Returns true if the workspace contains a fullscreen window.
-  bool ContainsFullscreenWindow() const;
-
- private:
-  FRIEND_TEST_ALL_PREFIXES(WorkspaceTest, WorkspaceBasic);
-  FRIEND_TEST_ALL_PREFIXES(WorkspaceTest, RotateWindows);
-  FRIEND_TEST_ALL_PREFIXES(WorkspaceTest, ShiftWindowsSingle);
-  FRIEND_TEST_ALL_PREFIXES(WorkspaceTest, ShiftWindowsMultiple);
-  FRIEND_TEST_ALL_PREFIXES(WorkspaceManagerTest, RotateWindows);
-
-  // Returns the index in layout order of |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);
-
-  // Returns the sum of all window's width.
-  int GetTotalWindowsWidth() const;
-
-  // Test only: Changes how may windows workspace can have.
-  // Returns the current value so that it can be reverted back to
-  // original value.
-  static size_t SetMaxWindowsCount(size_t max);
-
-  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 internal
-}  // namespace aura_shell
-
-#endif  // UI_AURA_SHELL_WORKSPACE_WORKSPACE_H_