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// Copyright 2012 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef UI_BASE_WIN_FOREGROUND_HELPER_H_
#define UI_BASE_WIN_FOREGROUND_HELPER_H_
#include <windows.h>
#include "base/component_export.h"
#include "base/notreached.h"
#include "ui/gfx/win/window_impl.h"
namespace ui {
// Helper class for moving a window to the foreground.
// Windows XP and later will not allow a window which is in the background to
// move to the foreground, unless requested by the current window in the
// foreground. For automated testing, we really want some of our windows
// to be capable of moving to the foreground.
//
// This is probably leveraging a windows bug.
class COMPONENT_EXPORT(UI_BASE) ForegroundHelper : public gfx::WindowImpl {
public:
ForegroundHelper();
ForegroundHelper(const ForegroundHelper&) = delete;
ForegroundHelper& operator=(const ForegroundHelper&) = delete;
~ForegroundHelper() override;
CR_BEGIN_MSG_MAP_EX(ForegroundHelper)
CR_MSG_WM_HOTKEY(OnHotKey)
CR_END_MSG_MAP()
// Brings a window into the foreground.
// Can be called from any window, even if the caller is not the
// foreground window.
static HRESULT SetForeground(HWND window);
private:
HRESULT ForegroundHotKey(HWND window);
// Handle the registered Hotkey being pressed.
void OnHotKey(int id, UINT vcode, UINT modifiers);
HWND window_;
CR_MSG_MAP_CLASS_DECLARATIONS(ForegroundHelper)
};
} // namespace ui
#endif // UI_BASE_WIN_FOREGROUND_HELPER_H_
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