chromeos: Move files in //ash/common to //ash, part 2

ash/common/wm/maximize_mode/maximize_mode_window_state.h

-// Copyright 2014 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_COMMON_WM_MAXIMIZE_MODE_MAXIMIZE_MODE_WINDOW_STATE_H_
-#define ASH_COMMON_WM_MAXIMIZE_MODE_MAXIMIZE_MODE_WINDOW_STATE_H_
-
-#include <memory>
-
-#include "ash/common/wm/window_state.h"
-#include "base/macros.h"
-
-namespace ash {
-class MaximizeModeWindowManager;
-class WmWindow;
-
-// The MaximizeModeWindowState implementation which reduces all possible window
-// states to minimized and maximized. If a window cannot be maximized it will be
-// set to normal. If a window cannot fill the entire workspace it will be
-// centered within the workspace.
-class MaximizeModeWindowState : public wm::WindowState::State {
- public:
-  // Called when the window position might need to be updated.
-  static void UpdateWindowPosition(wm::WindowState* window_state);
-
-  // The |window|'s state object will be modified to use this new window mode
-  // state handler. Upon destruction it will restore the previous state handler
-  // and call |creator::WindowStateDestroyed()| to inform that the window mode
-  // was reverted to the old window manager.
-  MaximizeModeWindowState(WmWindow* window, MaximizeModeWindowManager* creator);
-  ~MaximizeModeWindowState() override;
-
-  // Leaves the maximize mode by reverting to previous state object.
-  void LeaveMaximizeMode(wm::WindowState* window_state);
-
-  // Sets whether to ignore bounds updates. If set to false, immediately does a
-  // bounds update as the current window bounds may no longer be correct.
-  void SetDeferBoundsUpdates(bool defer_bounds_updates);
-
-  // WindowState::State overrides:
-  void OnWMEvent(wm::WindowState* window_state,
-                 const wm::WMEvent* event) override;
-
-  wm::WindowStateType GetType() const override;
-  void AttachState(wm::WindowState* window_state,
-                   wm::WindowState::State* previous_state) override;
-  void DetachState(wm::WindowState* window_state) override;
-
- private:
-  // Updates the window to |new_state_type| and resulting bounds:
-  // Either full screen, maximized centered or minimized. If the state does not
-  // change, only the bounds will be changed. If |animate| is set, the bound
-  // change get animated.
-  void UpdateWindow(wm::WindowState* window_state,
-                    wm::WindowStateType new_state_type,
-                    bool animate);
-
-  // Depending on the capabilities of the window we either return
-  // |WINDOW_STATE_TYPE_MAXIMIZED| or |WINDOW_STATE_TYPE_NORMAL|.
-  wm::WindowStateType GetMaximizedOrCenteredWindowType(
-      wm::WindowState* window_state);
-
-  // Updates the bounds to the maximum possible bounds according to the current
-  // window state. If |animated| is set we animate the change.
-  void UpdateBounds(wm::WindowState* window_state, bool animated);
-
-  // The original state object of the window.
-  std::unique_ptr<wm::WindowState::State> old_state_;
-
-  // The state object for this object which owns this instance.
-  WmWindow* window_;
-
-  // The creator which needs to be informed when this state goes away.
-  MaximizeModeWindowManager* creator_;
-
-  // The current state type. Due to the nature of this state, this can only be
-  // WM_STATE_TYPE{NORMAL, MINIMIZED, MAXIMIZED}.
-  wm::WindowStateType current_state_type_;
-
-  // If true, do not update bounds.
-  bool defer_bounds_updates_;
-
-  DISALLOW_COPY_AND_ASSIGN(MaximizeModeWindowState);
-};
-
-}  // namespace ash
-
-#endif  // ASH_COMMON_WM_MAXIMIZE_MODE_MAXIMIZE_MODE_WINDOW_STATE_H_