Home | History | Annotate | Download | only in win 
      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 "WebUserContentURLPattern.h"
     58 #include "WebView.h"
     59 #include "WebWorkersPrivate.h"
     60 #include <JavaScriptCore/InitializeThreading.h>
     61 #include <WebCore/SoftLinking.h>
     62 #include <wtf/Threading.h>
     63 
     64 // WebKitClassFactory ---------------------------------------------------------
     65 #if USE(SAFARI_THEME)
     66 #ifdef DEBUG_ALL
     67 SOFT_LINK_DEBUG_LIBRARY(SafariTheme)
     68 #else
     69 SOFT_LINK_LIBRARY(SafariTheme)
     70 #endif
     71 
     72 SOFT_LINK(SafariTheme, STInitialize, void, APIENTRY, (), ())
     73 #endif
     74 
     75 WebKitClassFactory::WebKitClassFactory(CLSID targetClass)
     76 : m_targetClass(targetClass)
     77 , m_refCount(0)
     78 {
     79 #if USE(SAFARI_THEME)
     80     static bool didInitializeSafariTheme;
     81     if (!didInitializeSafariTheme) {
     82         if (SafariThemeLibrary())
     83             STInitialize();
     84         didInitializeSafariTheme = true;
     85     }
     86 #endif
     87 
     88     JSC::initializeThreading();
     89     WTF::initializeMainThread();
     90 
     91     gClassCount++;
     92     gClassNameCount.add("WebKitClassFactory");
     93 }
     94 
     95 WebKitClassFactory::~WebKitClassFactory()
     96 {
     97     gClassCount--;
     98     gClassNameCount.remove("WebKitClassFactory");
     99 }
    100 
    101 // IUnknown -------------------------------------------------------------------
    102 
    103 HRESULT STDMETHODCALLTYPE WebKitClassFactory::QueryInterface(REFIID riid, void** ppvObject)
    104 {
    105     *ppvObject = 0;
    106     if (IsEqualGUID(riid, IID_IUnknown))
    107         *ppvObject = static_cast<IUnknown*>(this);
    108     else if (IsEqualGUID(riid, IID_IClassFactory))
    109         *ppvObject = static_cast<IClassFactory*>(this);
    110     else
    111         return E_NOINTERFACE;
    112 
    113     AddRef();
    114     return S_OK;
    115 }
    116 
    117 ULONG STDMETHODCALLTYPE WebKitClassFactory::AddRef(void)
    118 {
    119     return ++m_refCount;
    120 }
    121 
    122 ULONG STDMETHODCALLTYPE WebKitClassFactory::Release(void)
    123 {
    124     ULONG newRef = --m_refCount;
    125     if (!newRef && !gLockCount)
    126         delete(this);
    127 
    128     return newRef;
    129 }
    130 
    131 // FIXME: Remove these functions once all createInstance() functions return COMPtr.
    132 template <typename T>
    133 static T* releaseRefFromCreateInstance(T* object)
    134 {
    135     return object;
    136 }
    137 
    138 template <typename T>
    139 static T* releaseRefFromCreateInstance(COMPtr<T> object)
    140 {
    141     return object.releaseRef();
    142 }
    143 
    144 // IClassFactory --------------------------------------------------------------
    145 
    146 HRESULT STDMETHODCALLTYPE WebKitClassFactory::CreateInstance(IUnknown* pUnkOuter, REFIID riid, void** ppvObject)
    147 {
    148     IUnknown* unknown = 0;
    149     *ppvObject = 0;
    150 
    151     if (pUnkOuter)
    152         return CLASS_E_NOAGGREGATION;
    153 
    154 #define INITIALIZE_IF_CLASS(cls) \
    155     if (IsEqualGUID(m_targetClass, CLSID_##cls)) \
    156         unknown = static_cast<I##cls*>(releaseRefFromCreateInstance(cls::createInstance())); \
    157     else \
    158     // end of macro
    159 
    160     // These #defines are needed to appease the INITIALIZE_IF_CLASS macro.
    161     // There is no ICFDictionaryPropertyBag, we use IPropertyBag instead.
    162 #define ICFDictionaryPropertyBag IPropertyBag
    163     // There is no IWebScrollBar, we only have IWebScrollBarPrivate.
    164 #define IWebScrollBar IWebScrollBarPrivate
    165     // There is no class called WebURLRequest -- WebMutableURLRequest implements it for us.
    166 #define WebURLRequest WebMutableURLRequest
    167 
    168     FOR_EACH_COCLASS(INITIALIZE_IF_CLASS)
    169         // This is the final else case
    170         return CLASS_E_CLASSNOTAVAILABLE;
    171 
    172 #undef ICFDictionaryPropertyBag
    173 #undef IWebScrollBar
    174 #undef WebURLRequest
    175 #undef INITIALIZE_IF_CLASS
    176 
    177     if (!unknown)
    178         return E_OUTOFMEMORY;
    179 
    180     HRESULT hr = unknown->QueryInterface(riid, ppvObject);
    181     if (FAILED(hr))
    182         delete unknown;
    183     else
    184         unknown->Release(); // both createInstance() and QueryInterface() added refs
    185 
    186     return hr;
    187 }
    188 
    189 HRESULT STDMETHODCALLTYPE WebKitClassFactory::LockServer(BOOL fLock)
    190 {
    191     if (fLock)
    192         gLockCount++;
    193     else
    194         gLockCount--;
    195 
    196     return S_OK;
    197 }
    198