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 11 namespace aura { 12 class WindowTreeHost; 13 } 14 15 namespace gfx { 16 class Insets; 17 } 18 19 namespace athena { 20 21 // AthenaEnv creates/shuts down the environment necessary to 22 // start Athena shell. 23 class ATHENA_EXPORT AthenaEnv { 24 public: 25 static void Create(); 26 static AthenaEnv* Get(); 27 static void Shutdown(); 28 ~AthenaEnv()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