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// Copyright 2023 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef BASE_WIN_WINDOW_ENUMERATOR_H_
#define BASE_WIN_WINDOW_ENUMERATOR_H_
#include <string>
#include "base/base_export.h"
#include "base/functional/callback.h"
#include "base/win/windows_types.h"
namespace base::win {
// Enumerates immediate child windows of `parent`, running `filter` for each
// window until `filter` returns true.
using WindowEnumeratorCallback = base::RepeatingCallback<bool(HWND hwnd)>;
BASE_EXPORT void EnumerateChildWindows(HWND parent,
WindowEnumeratorCallback filter);
// Returns true if `hwnd` is an always-on-top window.
BASE_EXPORT bool IsTopmostWindow(HWND hwnd);
// Returns true if `hwnd` is a system dialog.
BASE_EXPORT bool IsSystemDialog(HWND hwnd);
// Returns true if `hwnd` is a window owned by the Windows shell.
BASE_EXPORT bool IsShellWindow(HWND hwnd);
// Returns the class name of `hwnd` or an empty string on error.
BASE_EXPORT std::wstring GetWindowClass(HWND hwnd);
// Returns the window text for `hwnd`, or an empty string on error.
BASE_EXPORT std::wstring GetWindowTextString(HWND hwnd);
} // namespace base::win
#endif // BASE_WIN_WINDOW_ENUMERATOR_H_
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