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_BASE_WIN_FOREGROUND_HELPER_H_ 6 #define UI_BASE_WIN_FOREGROUND_HELPER_H_ 7 8 #include "base/logging.h" 9 #include "ui/base/ui_base_export.h" 10 #include "ui/gfx/win/window_impl.h" 11 12 namespace ui { 13 14 // Helper class for moving a window to the foreground. 15 // Windows XP and later will not allow a window which is in the background to 16 // move to the foreground, unless requested by the current window in the 17 // foreground. For automated testing, we really want some of our windows 18 // to be capable of moving to the foreground. 19 // 20 // This is probably leveraging a windows bug. 21 class UI_BASE_EXPORT ForegroundHelper : public gfx::WindowImpl { 22 public: 23 ForegroundHelper() : window_(NULL) { } 24 25 CR_BEGIN_MSG_MAP_EX(ForegroundHelper) 26 CR_MSG_WM_HOTKEY(OnHotKey) 27 CR_END_MSG_MAP() 28 29 // Brings a window into the foreground. 30 // Can be called from any window, even if the caller is not the 31 // foreground window. 32 static HRESULT SetForeground(HWND window); 33 34 private: 35 HRESULT ForegroundHotKey(HWND window); 36 37 // Handle the registered Hotkey being pressed. 38 void OnHotKey(int id, UINT vcode, UINT modifiers); 39 40 HWND window_; 41 42 DISALLOW_COPY_AND_ASSIGN(ForegroundHelper); 43 }; 44 45 } // namespace ui 46 47 #endif // UI_BASE_WIN_FOREGROUND_HELPER_H_ 48
