1// Copyright 2014 The Chromium Authors. All rights reserved. 2// Use of this source code is governed by a BSD-style license that can be 3// found in the LICENSE file. 4 5#ifndef ATHENA_ENV_PUBLIC_ATHENA_ENV_H_ 6#define ATHENA_ENV_PUBLIC_ATHENA_ENV_H_ 7 8#include "athena/athena_export.h" 9#include "base/callback_forward.h" 10 11namespace aura { 12class WindowTreeHost; 13} 14 15namespace gfx { 16class Insets; 17} 18 19namespace athena { 20 21// AthenaEnv creates/shuts down the environment necessary to 22// start Athena shell. 23class ATHENA_EXPORT AthenaEnv { 24 public: 25 static void Create(); 26 static AthenaEnv* Get(); 27 static void Shutdown(); 28 29 virtual ~AthenaEnv() {} 30 31 // Returns the single WindowTreeHost for the primary display. 32 virtual aura::WindowTreeHost* GetHost() = 0; 33 34 // Sets the insets for the primary displays's work area. 35 virtual void SetDisplayWorkAreaInsets(const gfx::Insets& insets) = 0; 36 37 // Adds the callback called when the athena is about to exit. 38 virtual void AddTerminatingCallback(const base::Closure& closure) = 0; 39 virtual void RemoveTerminatingCallback(const base::Closure& closure) = 0; 40 41 // Called when the athena is about to exist. 42 virtual void OnTerminating() = 0; 43}; 44 45} // namespace athena 46 47#endif // ATHENA_ENV_PUBLIC_ATHENA_ENV_H_ 48