| // Copyright (c) 2010 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #include "app/win/scoped_prop.h" |
| |
| namespace app { |
| |
| namespace win { |
| |
| ScopedProp::ScopedProp(HWND hwnd, const std::wstring& key, HANDLE data) |
| : hwnd_(hwnd), |
| key_(key) { |
| BOOL result = SetProp(hwnd, key.c_str(), data); |
| // Failure to set a propery on a window is typically fatal. It means someone |
| // is going to ask for the property and get NULL. So, rather than crash later |
| // on when someone expects a non-NULL value we crash here in hopes of |
| // diagnosing the failure. |
| CHECK(result) << ::GetLastError(); |
| } |
| |
| ScopedProp::~ScopedProp() { |
| DCHECK(IsWindow(hwnd_)); |
| RemoveProp(hwnd_, key_.c_str()); |
| } |
| |
| |
| } // namespace win |
| |
| } // namespace app |
