ui/views/test/test_widget_observer.cc

   1 // Copyright (c) 2012 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/views/test/test_widget_observer.h"
   6
   7 #include "base/logging.h"
   8 #include "ui/views/widget/widget.h"
   9
  10 namespace views {
  11 namespace test {
  12
  13 TestWidgetObserver::TestWidgetObserver(Widget* widget)
  14     : widget_(widget) {
  15   widget_->AddObserver(this);
  16 }
  17
  18 TestWidgetObserver::~TestWidgetObserver() {
  19   if (widget_)
  20     widget_->RemoveObserver(this);
  21 }
  22
  23 void TestWidgetObserver::OnWidgetDestroying(Widget* widget) {
  24   DCHECK_EQ(widget_, widget);
  25   widget_ = NULL;
  26 }
  27
  28 }  // namespace test
  29 }  // namespace views