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#include "ash/wm/window_state_util.h" 6 7#include "ash/wm/window_state.h" 8#include "ash/wm/window_state_delegate.h" 9#include "ui/aura/client/aura_constants.h" 10 11namespace ash { 12namespace wm { 13 14void ToggleFullScreen(wm::WindowState* window_state, 15 WindowStateDelegate* delegate) { 16 // Window which cannot be maximized should not be full screen'ed. 17 // It can, however, be restored if it was full screen'ed. 18 bool is_fullscreen = window_state->IsFullscreen(); 19 if (!is_fullscreen && !window_state->CanMaximize()) 20 return; 21 22 if (delegate && delegate->ToggleFullscreen(window_state)) 23 return; 24 25 if (is_fullscreen) { 26 window_state->Restore(); 27 } else { 28 // Set the property to activate full screen. 29 window_state->window()->SetProperty(aura::client::kShowStateKey, 30 ui::SHOW_STATE_FULLSCREEN); 31 } 32} 33 34} // namespace wm 35} // namespace ash 36