app_window_desktop_window_tree_host_win.h revision 5c02ac1a9c1b504631c0a3d2b6e737b5d738bae1 
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#ifndef CHROME_BROWSER_UI_VIEWS_APPS_APP_WINDOW_DESKTOP_WINDOW_TREE_HOST_WIN_H_
6#define CHROME_BROWSER_UI_VIEWS_APPS_APP_WINDOW_DESKTOP_WINDOW_TREE_HOST_WIN_H_
7
8#include "ui/views/widget/desktop_aura/desktop_window_tree_host_win.h"
9
10namespace views {
11class DesktopNativeWidgetAura;
12}
13
14class ChromeNativeAppWindowViewsWin;
15
16// AppWindowDesktopWindowTreeHostWin handles updating the glass of app frames on
17// Windows. It is used for all desktop app windows on Windows, but is only
18// actively doing anything when a glass window frame is being used.
19class AppWindowDesktopWindowTreeHostWin
20    : public views::DesktopWindowTreeHostWin {
21 public:
22  AppWindowDesktopWindowTreeHostWin(
23      ChromeNativeAppWindowViewsWin* app_window,
24      views::DesktopNativeWidgetAura* desktop_native_widget_aura);
25  virtual ~AppWindowDesktopWindowTreeHostWin();
26
27 private:
28  // Overridden from DesktopWindowTreeHostWin:
29  virtual bool GetClientAreaInsets(gfx::Insets* insets) const OVERRIDE;
30  virtual void HandleFrameChanged() OVERRIDE;
31  virtual void PostHandleMSG(UINT message,
32                             WPARAM w_param,
33                             LPARAM l_param) OVERRIDE;
34
35  // Updates the glass frame area by calling the DwmExtendFrameIntoClientArea
36  // Windows function.
37  void UpdateDWMFrame();
38
39  ChromeNativeAppWindowViewsWin* app_window_;
40
41  DISALLOW_COPY_AND_ASSIGN(AppWindowDesktopWindowTreeHostWin);
42};
43
44#endif  // CHROME_BROWSER_UI_VIEWS_APPS_APP_WINDOW_DESKTOP_WINDOW_TREE_HOST_WIN_H_
45