2 * Copyright (C) 2009 Apple Inc. All rights reserved.
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
7 * 1. Redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer.
9 * 2. Redistributions in binary form must reproduce the above copyright
10 * notice, this list of conditions and the following disclaimer in the
11 * documentation and/or other materials provided with the distribution.
13 * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY
14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR
17 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
18 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
19 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
20 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
21 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
23 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27 #include "WebKitCOMAPI.h"
30 #include "WebKitDLL.h"
32 #include <WebCore/COMPtr.h>
35 static unsigned hash(const CLSID& clsid)
38 return ::UuidHash(const_cast<CLSID*>(&clsid), &status);
40 static bool equal(const CLSID& a, const CLSID& b) { return ::IsEqualCLSID(a, b); }
41 static const bool safeToCompareToEmptyOrDeleted = true;
44 struct CLSIDHashTraits : WTF::GenericHashTraits<CLSID> {
45 static void constructDeletedValue(CLSID& slot) { slot = CLSID_NULL; }
46 static bool isDeletedValue(const CLSID& value) { return value == CLSID_NULL; }
49 static COMPtr<IClassFactory> classFactory(const CLSID& clsid)
51 typedef HashMap<CLSID, COMPtr<IClassFactory>, CLSIDHash, CLSIDHashTraits> FactoryMap;
52 static FactoryMap& factories = *new FactoryMap;
54 FactoryMap::AddResult result = factories.add(clsid, 0);
55 COMPtr<IClassFactory>& factory = result.iterator->second;
56 if (result.isNewEntry && FAILED(DllGetClassObject(clsid, __uuidof(factory), reinterpret_cast<void**>(&factory))))
62 HRESULT WebKitCreateInstance(REFCLSID rclsid, IUnknown* pUnkOuter, REFIID riid, void** ppvObject)
64 COMPtr<IClassFactory> factory = classFactory(rclsid);
66 return REGDB_E_CLASSNOTREG;
68 return factory->CreateInstance(pUnkOuter, riid, ppvObject);