blob: 7d6b917f71f6e1cb46267cde9664810b0ce0ead2 [file] [log] [blame]
// Copyright (c) 2011 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 "base/compiler_specific.h"
#include "base/macros.h"
#include "base/win/atl.h"
namespace ui {
namespace win {
// Ensure that we have exactly one ATL module registered. It's safe to
// call this more than once. ATL functions will crash if there's no
// ATL module registered, or if you try to register two of them, so
// dynamically registering one if needed makes it much easier for us
// to support different build configurations like multi-dll without
// worrying about which side of a module boundary each ATL module object
// belongs on.
// This function must be implemented in this header file rather than a
// source file so that it's inlined into the module where it's included,
// rather than in the "ui" module.
inline void CreateATLModuleIfNeeded() {
if (_pAtlModule == NULL) {
// This creates the module and automatically updates _pAtlModule.
new CComModule;
} // namespace win
} // namespace ui