Move some more WM functionality down into ash.

ui/aura_shell/workspace/workspace_manager.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_MANAGER_H_
-#define UI_AURA_SHELL_WORKSPACE_WORKSPACE_MANAGER_H_
-
-#include <vector>
-
-#include "base/basictypes.h"
-#include "base/compiler_specific.h"
-#include "base/observer_list.h"
-#include "ui/aura_shell/aura_shell_export.h"
-#include "ui/gfx/insets.h"
-#include "ui/gfx/size.h"
-
-namespace aura {
-class Window;
-}
-
-namespace gfx {
-class Point;
-class Rect;
-}
-
-namespace aura_shell {
-namespace internal {
-class Workspace;
-class WorkspaceObserver;
-
-// WorkspaceManager manages multiple workspaces in the desktop.
-class AURA_SHELL_EXPORT WorkspaceManager {
- public:
-  explicit WorkspaceManager(aura::Window* viewport);
-  virtual ~WorkspaceManager();
-
-  // Returns the Window this WorkspaceManager controls.
-  aura::Window* contents_view() { return contents_view_; }
-
-  // Create new workspace. Workspace objects are managed by
-  // this WorkspaceManager. Deleting workspace will automatically
-  // remove the workspace from the workspace_manager.
-  Workspace* CreateWorkspace();
-
-  // Returns the active workspace.
-  Workspace* GetActiveWorkspace() const;
-
-  // Returns the workspace that contanis the |window|.
-  Workspace* FindBy(aura::Window* window) const;
-
-  // Returns the window for rotate operation based on the |location|.
-  aura::Window* FindRotateWindowForLocation(const gfx::Point& location);
-
-  // Sets the bounds of all workspaces.
-  void LayoutWorkspaces();
-
-  // Returns the bounds in which a window can be moved/resized.
-  gfx::Rect GetDragAreaBounds();
-
-  // Turn on/off overview mode.
-  void SetOverview(bool overview);
-  bool is_overview() const { return is_overview_; }
-
-  // Rotate windows by moving |source| window to the position of |target|.
-  void RotateWindows(aura::Window* source, aura::Window* target);
-
-  // Sets the size of a single workspace (all workspaces have the same size).
-  void SetWorkspaceSize(const gfx::Size& workspace_size);
-
-  // Adds/Removes workspace observer.
-  void AddObserver(WorkspaceObserver* observer);
-  void RemoveObserver(WorkspaceObserver* observer);
-
-  // Returns true if this workspace manager is laying out windows.
-  // When true, LayoutManager must give windows their requested bounds.
-  bool layout_in_progress() const { return layout_in_progress_; }
-
-  // Sets the |layout_in_progress_| flag.
-  void set_layout_in_progress(bool layout_in_progress) {
-    layout_in_progress_ = layout_in_progress;
-  }
-
-  // Sets/Returns the ignored window that the workspace manager does not
-  // set bounds on.
-  void set_ignored_window(aura::Window* ignored_window) {
-    ignored_window_ = ignored_window;
-  }
-  aura::Window* ignored_window() { return ignored_window_; }
-
- private:
-  friend class Workspace;
-
-  void AddWorkspace(Workspace* workspace);
-  void RemoveWorkspace(Workspace* workspace);
-
-  // Sets the active workspace.
-  void SetActiveWorkspace(Workspace* workspace);
-
-  // Returns the bounds of the work are given |workspace_bounds|.
-  gfx::Rect GetWorkAreaBounds(const gfx::Rect& workspace_bounds);
-
-  // Returns the index of the workspace that contains the |window|.
-  int GetWorkspaceIndexContaining(aura::Window* window) const;
-
-  // Update contents_view size and move the viewport to the active workspace.
-  void UpdateContentsView();
-
-  aura::Window* contents_view_;
-
-  Workspace* active_workspace_;
-
-  std::vector<Workspace*> workspaces_;
-
-  // The size of a single workspace. This is generally the same as the size of
-  // monitor.
-  gfx::Size workspace_size_;
-
-  // True if the workspace manager is in overview mode.
-  bool is_overview_;
-
-  // True if this layout manager is laying out windows.
-  bool layout_in_progress_;
-
-  // The window that WorkspaceManager does not set the bounds on.
-  aura::Window* ignored_window_;
-
-  ObserverList<WorkspaceObserver> observers_;
-
-  DISALLOW_COPY_AND_ASSIGN(WorkspaceManager);
-};
-
-}  // namespace internal
-}  // namespace aura_shell
-
-#endif  // UI_AURA_SHELL_WORKSPACE_WORKSPACE_MANAGER_H_