/*

 * 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 "WebCache.h"

#include "WebDownload.h"

#include "WebError.h"

#include "WebFrame.h"

#include "WebHistory.h"

#include "WebHistoryItem.h"

#include "WebIconDatabase.h"

#include "WebJavaScriptCollector.h"

#include "WebKit.h"

#include "WebScrollBar.h"

#include "WebKitStatistics.h"

#include "WebMutableURLRequest.h"

#include "WebNotificationCenter.h"

#include "WebPreferences.h"

#include "WebURLCredential.h"

#include "WebURLProtectionSpace.h"

#include "WebURLResponse.h"

#include "WebDebugProgram.h"

#include "WebView.h"

#include <SafariTheme/SafariTheme.h>

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

typedef void (APIENTRY*STInitializePtr)();

WebKitClassFactory::WebKitClassFactory(CLSID targetClass)

: m_targetClass(targetClass)

, m_refCount(0)

{

    static bool didInitializeSafariTheme;

    if (!didInitializeSafariTheme) {

        if (HMODULE module = LoadLibrary(SAFARITHEMEDLL))

            if (STInitializePtr stInit = (STInitializePtr)GetProcAddress(module, "STInitialize"))

                stInit();

        didInitializeSafariTheme = true;

    }

    gClassCount++;

}

WebKitClassFactory::~WebKitClassFactory()

{

    gClassCount--;

}

// 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;

}

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

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

{

    IUnknown* unknown = 0;

    *ppvObject = 0;

    if (pUnkOuter)

        return CLASS_E_NOAGGREGATION;

    if (IsEqualGUID(m_targetClass, CLSID_WebView))

        unknown = static_cast<IWebView*>(WebView::createInstance());

    else if (IsEqualGUID(m_targetClass, CLSID_WebIconDatabase))

        unknown = static_cast<IWebIconDatabase*>(WebIconDatabase::createInstance());

    else if (IsEqualGUID(m_targetClass, CLSID_WebMutableURLRequest))

        unknown = static_cast<IWebMutableURLRequest*>(WebMutableURLRequest::createInstance());

    else if (IsEqualGUID(m_targetClass, CLSID_WebNotificationCenter))

        unknown = static_cast<IWebNotificationCenter*>(WebNotificationCenter::createInstance());

    else if (IsEqualGUID(m_targetClass, CLSID_WebHistory))

        unknown = static_cast<IWebHistory*>(WebHistory::createInstance());

    else if (IsEqualGUID(m_targetClass, CLSID_CFDictionaryPropertyBag))

        unknown = static_cast<IPropertyBag*>(CFDictionaryPropertyBag::createInstance());

    else if (IsEqualGUID(m_targetClass, CLSID_WebHistoryItem))

        unknown = static_cast<IWebHistoryItem*>(WebHistoryItem::createInstance());

    else if (IsEqualGUID(m_targetClass, CLSID_WebCache))

        unknown = static_cast<IWebCache*>(WebCache::createInstance());

    else if (IsEqualGUID(m_targetClass, CLSID_WebJavaScriptCollector))

        unknown = static_cast<IWebJavaScriptCollector*>(WebJavaScriptCollector::createInstance());

    else if (IsEqualGUID(m_targetClass, CLSID_WebPreferences))

        unknown = static_cast<IWebPreferences*>(WebPreferences::createInstance());

    else if (IsEqualGUID(m_targetClass, CLSID_WebScrollBar))

        unknown = static_cast<IWebScrollBarPrivate*>(WebScrollBar::createInstance());

    else if (IsEqualGUID(m_targetClass, CLSID_WebKitStatistics))

        unknown = static_cast<IWebKitStatistics*>(WebKitStatistics::createInstance());

    else if (IsEqualGUID(m_targetClass, CLSID_WebError))

        unknown = static_cast<IWebError*>(WebError::createInstance(ResourceError()));

    else if (IsEqualGUID(m_targetClass, CLSID_WebURLCredential))

        unknown = static_cast<IWebURLCredential*>(WebURLCredential::createInstance());

    else if (IsEqualGUID(m_targetClass, CLSID_WebDownload))

        unknown = static_cast<IWebDownload*>(WebDownload::createInstance());

    else if (IsEqualGUID(m_targetClass, CLSID_WebURLRequest))

        unknown = static_cast<IWebURLRequest*>(WebMutableURLRequest::createImmutableInstance());

    else if (IsEqualGUID(m_targetClass, CLSID_WebURLProtectionSpace))

        unknown = static_cast<IWebURLProtectionSpace*>(WebURLProtectionSpace::createInstance());

    else if (IsEqualGUID(m_targetClass, CLSID_WebDebugProgram))

        unknown = static_cast<IWebDebugProgram*>(WebDebugProgram::createInstance());

    else if (IsEqualGUID(m_targetClass, CLSID_WebURLResponse))

        unknown = static_cast<IWebURLResponse*>(WebURLResponse::createInstance());

    else

        return CLASS_E_CLASSNOTAVAILABLE;

    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;

}