| // 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_WM_WORKSPACE_WORKSPACE_LAYOUT_MANAGER_DELEGATE_H_ |
| #define ASH_WM_WORKSPACE_WORKSPACE_LAYOUT_MANAGER_DELEGATE_H_ |
| |
| #include "ash/wm/wm_types.h" |
| |
| namespace aura { |
| class Window; |
| } |
| |
| namespace ash { |
| namespace wm { |
| class WindowState; |
| } |
| |
| // A delegate which can be set to create and control a backdrop which gets |
| // placed below the top level window. |
| class WorkspaceLayoutManagerDelegate { |
| public: |
| WorkspaceLayoutManagerDelegate() {} |
| virtual ~WorkspaceLayoutManagerDelegate() {} |
| |
| // A window got added to the layout. |
| virtual void OnWindowAddedToLayout(aura::Window* child) = 0; |
| |
| // A window got removed from the layout. |
| virtual void OnWindowRemovedFromLayout(aura::Window* child) = 0; |
| |
| // The visibility of a window has changed. |
| virtual void OnChildWindowVisibilityChanged(aura::Window* child, |
| bool visible) = 0; |
| |
| // The stacking order of a window has changed. |
| virtual void OnWindowStackingChanged(aura::Window* window) = 0; |
| |
| // A window state type has changed. |
| virtual void OnPostWindowStateTypeChange(wm::WindowState* window_state, |
| wm::WindowStateType old_type) = 0; |
| |
| // The work area insets have changed, altering the total available space. |
| virtual void OnDisplayWorkAreaInsetsChanged() = 0; |
| }; |
| |
| } // namespace ash |
| |
| #endif // ASH_WM_WORKSPACE_WORKSPACE_LAYOUT_MANAGER_DELEGATE_H_ |