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// Copyright (c) 2012 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_ENV_OBSERVER_H_
#define UI_AURA_ENV_OBSERVER_H_
#include "ui/aura/aura_export.h"
namespace aura {
class RootWindow;
class Window;
class AURA_EXPORT EnvObserver {
public:
// Called when |window| has been initialized.
virtual void OnWindowInitialized(Window* window) = 0;
// Called when |root_window| has been initialized.
virtual void OnRootWindowInitialized(RootWindow* root_window) {};
// Called when a RootWindow's host is activated.
virtual void OnRootWindowActivated(RootWindow* root_window) {}
// Called right before Env is destroyed.
virtual void OnWillDestroyEnv() {}
protected:
virtual ~EnvObserver() {}
};
} // namespace aura
#endif // UI_AURA_ENV_OBSERVER_H_
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