/*

 * Copyright (C) 2006, 2007 Apple Inc.  All rights reserved.

 *

 * Redistribution and use in source and binary forms, with or without

 * modification, are permitted provided that the following conditions

 * are met:

 * 1. Redistributions of source code must retain the above copyright

 *    notice, this list of conditions and the following disclaimer.

 * 2. Redistributions in binary form must reproduce the above copyright

 *    notice, this list of conditions and the following disclaimer in the

 *    documentation and/or other materials provided with the distribution.

 *

 * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY

 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE

 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR

 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE COMPUTER, INC. OR

 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,

 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,

 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR

 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY

 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT

 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE

 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 

 */

#include "config.h"

#include "WebKitDLL.h"

#include "WebKitClassFactory.h"

#include "CFDictionaryPropertyBag.h"

#include "ForEachCoClass.h"

#include "WebArchive.h"

#include "WebCache.h"

#include "WebCookieManager.h"

#include "WebCoreStatistics.h"

#include "WebDatabaseManager.h"

#include "WebDownload.h"

#include "WebError.h"

#include "WebFrame.h"

#include "WebGeolocationPosition.h"

#include "WebHistory.h"

#include "WebHistoryItem.h"

#include "WebIconDatabase.h"

#include "WebJavaScriptCollector.h"

#include "WebKit.h"

#include "WebKitStatistics.h"

#include "WebMutableURLRequest.h"

#include "WebNotificationCenter.h"

#include "WebPreferences.h"

#include "WebScriptWorld.h"

#include "WebScrollBar.h"

#include "WebSerializedJSValue.h"

#include "WebTextRenderer.h"

#include "WebURLCredential.h"

#include "WebURLProtectionSpace.h"

#include "WebURLResponse.h"

#include "WebUserContentURLPattern.h"

#include "WebView.h"

#include "WebWorkersPrivate.h"

#include <JavaScriptCore/InitializeThreading.h>

#include <WebCore/SoftLinking.h>

#include <wtf/Threading.h>

// WebKitClassFactory ---------------------------------------------------------

#if USE(SAFARI_THEME)

#ifdef DEBUG_ALL

SOFT_LINK_DEBUG_LIBRARY(SafariTheme)

#else

SOFT_LINK_LIBRARY(SafariTheme)

#endif

SOFT_LINK(SafariTheme, STInitialize, void, APIENTRY, (), ())

#endif

WebKitClassFactory::WebKitClassFactory(CLSID targetClass)

: m_targetClass(targetClass)

, m_refCount(0)

{

#if USE(SAFARI_THEME)

    static bool didInitializeSafariTheme;

    if (!didInitializeSafariTheme) {

        if (SafariThemeLibrary())

            STInitialize();

        didInitializeSafariTheme = true;

    }

#endif

    JSC::initializeThreading();

    WTF::initializeMainThread();

    gClassCount++;

    gClassNameCount.add("WebKitClassFactory");

}

WebKitClassFactory::~WebKitClassFactory()

{

    gClassCount--;

    gClassNameCount.remove("WebKitClassFactory");

}

// IUnknown -------------------------------------------------------------------

HRESULT STDMETHODCALLTYPE WebKitClassFactory::QueryInterface(REFIID riid, void** ppvObject)

{

    *ppvObject = 0;

    if (IsEqualGUID(riid, IID_IUnknown))

        *ppvObject = static_cast<IUnknown*>(this);

    else if (IsEqualGUID(riid, IID_IClassFactory))

        *ppvObject = static_cast<IClassFactory*>(this);

    else

        return E_NOINTERFACE;

    AddRef();

    return S_OK;

}

ULONG STDMETHODCALLTYPE WebKitClassFactory::AddRef(void)

{

    return ++m_refCount;

}

ULONG STDMETHODCALLTYPE WebKitClassFactory::Release(void)

{

    ULONG newRef = --m_refCount;

    if (!newRef && !gLockCount)

        delete(this);

    return newRef;

}

// FIXME: Remove these functions once all createInstance() functions return COMPtr.

template <typename T>

static T* releaseRefFromCreateInstance(T* object)

{

    return object;

}

template <typename T>

static T* releaseRefFromCreateInstance(COMPtr<T> object)

{

    return object.releaseRef();

}

// IClassFactory --------------------------------------------------------------

HRESULT STDMETHODCALLTYPE WebKitClassFactory::CreateInstance(IUnknown* pUnkOuter, REFIID riid, void** ppvObject)

{

    IUnknown* unknown = 0;

    *ppvObject = 0;

    if (pUnkOuter)

        return CLASS_E_NOAGGREGATION;

#define INITIALIZE_IF_CLASS(cls) \

    if (IsEqualGUID(m_targetClass, CLSID_##cls)) \

        unknown = static_cast<I##cls*>(releaseRefFromCreateInstance(cls::createInstance())); \

    else \

    // end of macro

    // These #defines are needed to appease the INITIALIZE_IF_CLASS macro.

    // There is no ICFDictionaryPropertyBag, we use IPropertyBag instead.

#define ICFDictionaryPropertyBag IPropertyBag

    // There is no IWebScrollBar, we only have IWebScrollBarPrivate.

#define IWebScrollBar IWebScrollBarPrivate

    // There is no class called WebURLRequest -- WebMutableURLRequest implements it for us.

#define WebURLRequest WebMutableURLRequest

    FOR_EACH_COCLASS(INITIALIZE_IF_CLASS)

        // This is the final else case

        return CLASS_E_CLASSNOTAVAILABLE;

#undef ICFDictionaryPropertyBag

#undef IWebScrollBar

#undef WebURLRequest

#undef INITIALIZE_IF_CLASS

    if (!unknown)

        return E_OUTOFMEMORY;

    HRESULT hr = unknown->QueryInterface(riid, ppvObject);

    if (FAILED(hr))

        delete unknown;

    else

        unknown->Release(); // both createInstance() and QueryInterface() added refs

    return hr;

}

HRESULT STDMETHODCALLTYPE WebKitClassFactory::LockServer(BOOL fLock)

{

    if (fLock)

        gLockCount++;

    else

        gLockCount--;

    return S_OK;

}