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1 /*
2  * Copyright (C) 2006, 2007 Apple Inc.  All rights reserved.
3  *
4  * Redistribution and use in source and binary forms, with or without
5  * modification, are permitted provided that the following conditions
6  * are met:
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.
12  *
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.
24  */
25 
26 #include "config.h"
27 #include "WebKitDLL.h"
28 #include "WebKitClassFactory.h"
29 
30 #include "CFDictionaryPropertyBag.h"
31 #include "ForEachCoClass.h"
32 #include "WebArchive.h"
33 #include "WebCache.h"
34 #include "WebCookieManager.h"
35 #include "WebCoreStatistics.h"
36 #include "WebDatabaseManager.h"
37 #include "WebDownload.h"
38 #include "WebError.h"
39 #include "WebFrame.h"
40 #include "WebGeolocationPosition.h"
41 #include "WebHistory.h"
42 #include "WebHistoryItem.h"
43 #include "WebIconDatabase.h"
44 #include "WebJavaScriptCollector.h"
45 #include "WebKit.h"
46 #include "WebKitStatistics.h"
47 #include "WebMutableURLRequest.h"
48 #include "WebNotificationCenter.h"
49 #include "WebPreferences.h"
50 #include "WebScriptWorld.h"
51 #include "WebScrollBar.h"
52 #include "WebSerializedJSValue.h"
53 #include "WebTextRenderer.h"
54 #include "WebURLCredential.h"
55 #include "WebURLProtectionSpace.h"
56 #include "WebURLResponse.h"
57 #include "WebView.h"
58 #include "WebWorkersPrivate.h"
59 #pragma warning(push, 0)
60 #include <JavaScriptCore/InitializeThreading.h>
61 #include <WebCore/FontDatabase.h>
62 #include <WebCore/SoftLinking.h>
63 #pragma warning(pop)
64 
65 // WebKitClassFactory ---------------------------------------------------------
66 #if USE(SAFARI_THEME)
67 #ifdef DEBUG_ALL
68 SOFT_LINK_DEBUG_LIBRARY(SafariTheme)
69 #else
70 SOFT_LINK_LIBRARY(SafariTheme)
71 #endif
72 
73 SOFT_LINK(SafariTheme, STInitialize, void, APIENTRY, (), ())
74 #endif
75 
WebKitClassFactory(CLSID targetClass)76 WebKitClassFactory::WebKitClassFactory(CLSID targetClass)
77 : m_targetClass(targetClass)
78 , m_refCount(0)
79 {
80 #if USE(SAFARI_THEME)
81     static bool didInitializeSafariTheme;
82     if (!didInitializeSafariTheme) {
83         if (SafariThemeLibrary())
84             STInitialize();
85         didInitializeSafariTheme = true;
86     }
87 #endif
88 
89     JSC::initializeThreading();
90     WebCore::populateFontDatabase();
91 
92     gClassCount++;
93     gClassNameCount.add("WebKitClassFactory");
94 }
95 
~WebKitClassFactory()96 WebKitClassFactory::~WebKitClassFactory()
97 {
98     gClassCount--;
99     gClassNameCount.remove("WebKitClassFactory");
100 }
101 
102 // IUnknown -------------------------------------------------------------------
103 
QueryInterface(REFIID riid,void ** ppvObject)104 HRESULT STDMETHODCALLTYPE WebKitClassFactory::QueryInterface(REFIID riid, void** ppvObject)
105 {
106     *ppvObject = 0;
107     if (IsEqualGUID(riid, IID_IUnknown))
108         *ppvObject = static_cast<IUnknown*>(this);
109     else if (IsEqualGUID(riid, IID_IClassFactory))
110         *ppvObject = static_cast<IClassFactory*>(this);
111     else
112         return E_NOINTERFACE;
113 
114     AddRef();
115     return S_OK;
116 }
117 
AddRef(void)118 ULONG STDMETHODCALLTYPE WebKitClassFactory::AddRef(void)
119 {
120     return ++m_refCount;
121 }
122 
Release(void)123 ULONG STDMETHODCALLTYPE WebKitClassFactory::Release(void)
124 {
125     ULONG newRef = --m_refCount;
126     if (!newRef && !gLockCount)
127         delete(this);
128 
129     return newRef;
130 }
131 
132 // FIXME: Remove these functions once all createInstance() functions return COMPtr.
133 template <typename T>
releaseRefFromCreateInstance(T * object)134 static T* releaseRefFromCreateInstance(T* object)
135 {
136     return object;
137 }
138 
139 template <typename T>
releaseRefFromCreateInstance(COMPtr<T> object)140 static T* releaseRefFromCreateInstance(COMPtr<T> object)
141 {
142     return object.releaseRef();
143 }
144 
145 // IClassFactory --------------------------------------------------------------
146 
CreateInstance(IUnknown * pUnkOuter,REFIID riid,void ** ppvObject)147 HRESULT STDMETHODCALLTYPE WebKitClassFactory::CreateInstance(IUnknown* pUnkOuter, REFIID riid, void** ppvObject)
148 {
149     IUnknown* unknown = 0;
150     *ppvObject = 0;
151 
152     if (pUnkOuter)
153         return CLASS_E_NOAGGREGATION;
154 
155 #define INITIALIZE_IF_CLASS(cls) \
156     if (IsEqualGUID(m_targetClass, CLSID_##cls)) \
157         unknown = static_cast<I##cls*>(releaseRefFromCreateInstance(cls::createInstance())); \
158     else \
159     // end of macro
160 
161     // These #defines are needed to appease the INITIALIZE_IF_CLASS macro.
162     // There is no ICFDictionaryPropertyBag, we use IPropertyBag instead.
163 #define ICFDictionaryPropertyBag IPropertyBag
164     // There is no IWebScrollBar, we only have IWebScrollBarPrivate.
165 #define IWebScrollBar IWebScrollBarPrivate
166     // There is no class called WebURLRequest -- WebMutableURLRequest implements it for us.
167 #define WebURLRequest WebMutableURLRequest
168 
169     FOR_EACH_COCLASS(INITIALIZE_IF_CLASS)
170         // This is the final else case
171         return CLASS_E_CLASSNOTAVAILABLE;
172 
173 #undef ICFDictionaryPropertyBag
174 #undef IWebScrollBar
175 #undef WebURLRequest
176 #undef INITIALIZE_IF_CLASS
177 
178     if (!unknown)
179         return E_OUTOFMEMORY;
180 
181     HRESULT hr = unknown->QueryInterface(riid, ppvObject);
182     if (FAILED(hr))
183         delete unknown;
184     else
185         unknown->Release(); // both createInstance() and QueryInterface() added refs
186 
187     return hr;
188 }
189 
LockServer(BOOL fLock)190 HRESULT STDMETHODCALLTYPE WebKitClassFactory::LockServer(BOOL fLock)
191 {
192     if (fLock)
193         gLockCount++;
194     else
195         gLockCount--;
196 
197     return S_OK;
198 }
199