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1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | 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 | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #ifndef UI_VIEWS_WIN_SCOPED_FULLSCREEN_VISIBILITY_H_ | 5 #ifndef UI_VIEWS_WIN_SCOPED_FULLSCREEN_VISIBILITY_H_ |
6 #define UI_VIEWS_WIN_SCOPED_FULLSCREEN_VISIBILITY_H_ | 6 #define UI_VIEWS_WIN_SCOPED_FULLSCREEN_VISIBILITY_H_ |
7 | 7 |
8 #include <windows.h> | 8 #include <windows.h> |
9 | 9 |
10 #include <map> | 10 #include <map> |
11 | 11 |
12 #include "base/basictypes.h" | 12 #include "base/macros.h" |
13 #include "ui/views/views_export.h" | 13 #include "ui/views/views_export.h" |
14 | 14 |
15 namespace views { | 15 namespace views { |
16 | 16 |
17 // Scoping class that ensures a HWND remains hidden while it enters or leaves | 17 // Scoping class that ensures a HWND remains hidden while it enters or leaves |
18 // the fullscreen state. This reduces some flicker-jank that an application UI | 18 // the fullscreen state. This reduces some flicker-jank that an application UI |
19 // might suffer. | 19 // might suffer. |
20 class VIEWS_EXPORT ScopedFullscreenVisibility { | 20 class VIEWS_EXPORT ScopedFullscreenVisibility { |
21 public: | 21 public: |
22 explicit ScopedFullscreenVisibility(HWND hwnd); | 22 explicit ScopedFullscreenVisibility(HWND hwnd); |
23 ~ScopedFullscreenVisibility(); | 23 ~ScopedFullscreenVisibility(); |
24 | 24 |
25 // Returns true if |hwnd| is currently hidden due to instance(s) of this | 25 // Returns true if |hwnd| is currently hidden due to instance(s) of this |
26 // class. | 26 // class. |
27 static bool IsHiddenForFullscreen(HWND hwnd); | 27 static bool IsHiddenForFullscreen(HWND hwnd); |
28 | 28 |
29 private: | 29 private: |
30 typedef std::map<HWND, int> FullscreenHWNDs; | 30 typedef std::map<HWND, int> FullscreenHWNDs; |
31 | 31 |
32 HWND hwnd_; | 32 HWND hwnd_; |
33 | 33 |
34 static FullscreenHWNDs* full_screen_windows_; | 34 static FullscreenHWNDs* full_screen_windows_; |
35 | 35 |
36 DISALLOW_COPY_AND_ASSIGN(ScopedFullscreenVisibility); | 36 DISALLOW_COPY_AND_ASSIGN(ScopedFullscreenVisibility); |
37 }; | 37 }; |
38 | 38 |
39 } // namespace views | 39 } // namespace views |
40 | 40 |
41 #endif // UI_VIEWS_WIN_SCOPED_FULLSCREEN_VISIBILITY_H_ | 41 #endif // UI_VIEWS_WIN_SCOPED_FULLSCREEN_VISIBILITY_H_ |
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