15821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Copyright (c) 2012 The Chromium Authors. All rights reserved. 25821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Use of this source code is governed by a BSD-style license that can be 35821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// found in the LICENSE file. 45821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 55821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#ifndef UI_AURA_ENV_OBSERVER_H_ 65821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#define UI_AURA_ENV_OBSERVER_H_ 75821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 85821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "ui/aura/aura_export.h" 95821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 105821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)namespace aura { 115821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 125821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)class Window; 13a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles)class WindowTreeHost; 145821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 155821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)class AURA_EXPORT EnvObserver { 165821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) public: 175821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Called when |window| has been initialized. 185821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) virtual void OnWindowInitialized(Window* window) = 0; 195821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 20a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) // Called when a WindowTreeHost is initialized. 21a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) virtual void OnHostInitialized(WindowTreeHost* host) {}; 222a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 23a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) // Called when a WindowTreeHost is activated. 24a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) virtual void OnHostActivated(WindowTreeHost* host) {} 252a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 265821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Called right before Env is destroyed. 275821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) virtual void OnWillDestroyEnv() {} 285821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 295821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) protected: 305821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) virtual ~EnvObserver() {} 315821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)}; 325821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 335821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} // namespace aura 345821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 355821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#endif // UI_AURA_ENV_OBSERVER_H_ 36