File: transient_window_controller.h

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// 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 UI_WM_CORE_TRANSIENT_WINDOW_CONTROLLER_H_
#define UI_WM_CORE_TRANSIENT_WINDOW_CONTROLLER_H_

#include "ui/wm/public/transient_window_client.h"
#include "ui/wm/wm_export.h"

namespace wm {

// TransientWindowClient implementation. Uses TransientWindowManager to handle
// tracking transient per window.
class WM_EXPORT TransientWindowController
    : public aura::client::TransientWindowClient {
 public:
  TransientWindowController();
  ~TransientWindowController() override;

  // TransientWindowClient:
  void AddTransientChild(aura::Window* parent, aura::Window* child) override;
  void RemoveTransientChild(aura::Window* parent, aura::Window* child) override;
  aura::Window* GetTransientParent(aura::Window* window) override;
  const aura::Window* GetTransientParent(const aura::Window* window) override;

 private:
  DISALLOW_COPY_AND_ASSIGN(TransientWindowController);
};

}  // namespace wm

#endif  // UI_WM_CORE_TRANSIENT_WINDOW_CONTROLLER_H_