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 "ui/aura/window_observer.h" 6 7 #include "base/logging.h" 8 #include "ui/aura/window.h" 9 10 namespace aura { 11 12 WindowObserver::WindowObserver() : observing_(0) { 13 } 14 15 WindowObserver::~WindowObserver() { 16 // TODO(flackr): Remove this check and observing_ counter when the cause of 17 // http://crbug.com/365364 is discovered. 18 CHECK_EQ(0, observing_); 19 } 20 21 void WindowObserver::OnObservingWindow(aura::Window* window) { 22 if (!window->HasObserver(this)) 23 observing_++; 24 } 25 26 void WindowObserver::OnUnobservingWindow(aura::Window* window) { 27 if (window->HasObserver(this)) 28 observing_--; 29 } 30 31 } // namespace aura 32
