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      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 #ifndef UI_VIEWS_WIDGET_WIDGET_HWND_UTILS_H_
      6 #define UI_VIEWS_WIDGET_WIDGET_HWND_UTILS_H_
      7 
      8 #include <windows.h>
      9 
     10 #include "ui/views/widget/widget.h"
     11 
     12 // Functions shared by hwnd_message_handler.cc and
     13 // desktop_window_tree_host_win.cc:
     14 
     15 namespace views {
     16 class HWNDMessageHandler;
     17 class WidgetDelegate;
     18 namespace internal {
     19 class NativeWidgetDelegate;
     20 }
     21 
     22 // Returns true if the WINDOWPOS data provided indicates the client area of
     23 // the window may have changed size. This can be caused by the window being
     24 // resized or its frame changing.
     25 bool DidClientAreaSizeChange(const WINDOWPOS* window_pos);
     26 
     27 // Sets styles appropriate for |params| on |handler|.
     28 void ConfigureWindowStyles(
     29     HWNDMessageHandler* handler,
     30     const Widget::InitParams& params,
     31     WidgetDelegate* widget_delegate,
     32     internal::NativeWidgetDelegate* native_widget_delegate);
     33 
     34 }  // namespace views
     35 
     36 #endif  // UI_VIEWS_WIDGET_WIDGET_HWND_UTILS_H_
     37