1// Copyright (c) 2011 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 UI_VIEWS_WIDGET_NATIVE_WIDGET_H_ 6#define UI_VIEWS_WIDGET_NATIVE_WIDGET_H_ 7 8#include "ui/views/widget/widget.h" 9 10namespace views { 11namespace internal { 12class NativeWidgetPrivate; 13} 14 15//////////////////////////////////////////////////////////////////////////////// 16// NativeWidget interface 17// 18// An interface that serves as the public API base for the 19// internal::NativeWidget interface that Widget uses to communicate with a 20// backend-specific native widget implementation. This is the only component of 21// this interface that is publicly visible, and exists solely for exposure via 22// Widget's native_widget() accessor, which code occasionally static_casts to 23// a known implementation in platform-specific code. 24// 25class VIEWS_EXPORT NativeWidget { 26 public: 27 virtual ~NativeWidget() {} 28 29 private: 30 friend class Widget; 31 32 virtual internal::NativeWidgetPrivate* AsNativeWidgetPrivate() = 0; 33}; 34 35} // namespace views 36 37#endif // UI_VIEWS_WIDGET_NATIVE_WIDGET_H_ 38