/*

 * Copyright (C) 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 "WebError.h"

#include "WebKit.h"

#pragma warning(push, 0)

#include <WebCore/BString.h>

#pragma warning(pop)

#if USE(CFNETWORK)

#include <WebKitSystemInterface/WebKitSystemInterface.h>

#endif

using namespace WebCore;

// WebError ---------------------------------------------------------------------

WebError::WebError(const ResourceError& error, IPropertyBag* userInfo)

    : m_refCount(0)

    , m_error(error)

    , m_userInfo(userInfo)

{

    gClassCount++;

    gClassNameCount.add("WebError");

}

WebError::~WebError()

{

    gClassCount--;

    gClassNameCount.remove("WebError");

}

WebError* WebError::createInstance(const ResourceError& error, IPropertyBag* userInfo)

{

    WebError* instance = new WebError(error, userInfo);

    instance->AddRef();

    return instance;

}

WebError* WebError::createInstance()

{

    return createInstance(ResourceError());

}

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

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

{

    *ppvObject = 0;

    if (IsEqualGUID(riid, IID_IUnknown))

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

    else if (IsEqualGUID(riid, CLSID_WebError))

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

    else if (IsEqualGUID(riid, IID_IWebError))

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

    else if (IsEqualGUID(riid, IID_IWebErrorPrivate))

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

    else

        return E_NOINTERFACE;

    AddRef();

    return S_OK;

}

ULONG STDMETHODCALLTYPE WebError::AddRef(void)

{

    return ++m_refCount;

}

ULONG STDMETHODCALLTYPE WebError::Release(void)

{

    ULONG newRef = --m_refCount;

    if (!newRef)

        delete(this);

    return newRef;

}

// IWebError ------------------------------------------------------------------

HRESULT STDMETHODCALLTYPE WebError::init( 

    /* [in] */ BSTR domain,

    /* [in] */ int code,

    /* [in] */ BSTR url)

{

    m_error = ResourceError(String(domain, SysStringLen(domain)), code, String(url, SysStringLen(url)), String());

    return S_OK;

}

HRESULT STDMETHODCALLTYPE WebError::code( 

    /* [retval][out] */ int* result)

{

    *result = m_error.errorCode();

    return S_OK;

}

HRESULT STDMETHODCALLTYPE WebError::domain( 

    /* [retval][out] */ BSTR* result)

{

    if (!result)

        return E_POINTER;

    *result = BString(m_error.domain()).release();

    return S_OK;

}

HRESULT STDMETHODCALLTYPE WebError::localizedDescription( 

    /* [retval][out] */ BSTR* result)

{

    if (!result)

        return E_POINTER;

    *result = BString(m_error.localizedDescription()).release();

#if USE(CFNETWORK)

    if (!*result) {

        if (int code = m_error.errorCode())

            *result = BString(wkCFNetworkErrorGetLocalizedDescription(code)).release();

    }

#endif

    return S_OK;

}

HRESULT STDMETHODCALLTYPE WebError::localizedFailureReason( 

    /* [retval][out] */ BSTR* /*result*/)

{

    ASSERT_NOT_REACHED();

    return E_NOTIMPL;

}

HRESULT STDMETHODCALLTYPE WebError::localizedRecoveryOptions( 

    /* [retval][out] */ IEnumVARIANT** /*result*/)

{

    ASSERT_NOT_REACHED();

    return E_NOTIMPL;

}

HRESULT STDMETHODCALLTYPE WebError::localizedRecoverySuggestion( 

    /* [retval][out] */ BSTR* /*result*/)

{

    ASSERT_NOT_REACHED();

    return E_NOTIMPL;

}

HRESULT STDMETHODCALLTYPE WebError::recoverAttempter( 

    /* [retval][out] */ IUnknown** /*result*/)

{

    ASSERT_NOT_REACHED();

    return E_NOTIMPL;

}

HRESULT STDMETHODCALLTYPE WebError::userInfo( 

    /* [retval][out] */ IPropertyBag** result)

{

    if (!result)

        return E_POINTER;

    *result = 0;

    if (!m_userInfo)

        return E_FAIL;

    return m_userInfo.copyRefTo(result);

}

HRESULT STDMETHODCALLTYPE WebError::failingURL( 

    /* [retval][out] */ BSTR* result)

{

    if (!result)

        return E_POINTER;

    *result = BString(m_error.failingURL()).release();

    return S_OK;

}

HRESULT STDMETHODCALLTYPE WebError::isPolicyChangeError( 

    /* [retval][out] */ BOOL *result)

{

    if (!result)

        return E_POINTER;

    *result = m_error.domain() == String(WebKitErrorDomain)

        && m_error.errorCode() == WebKitErrorFrameLoadInterruptedByPolicyChange;

    return S_OK;

}

HRESULT STDMETHODCALLTYPE WebError::sslPeerCertificate( 

    /* [retval][out] */ OLE_HANDLE* result)

{

    if (!result)

        return E_POINTER;

    *result = 0;

#if USE(CFNETWORK)

    if (!m_cfErrorUserInfoDict) {

        // copy userinfo from CFErrorRef

        CFErrorRef cfError = m_error;

        m_cfErrorUserInfoDict.adoptCF(CFErrorCopyUserInfo(cfError));

    }

    if (!m_cfErrorUserInfoDict)

        return E_FAIL;

    void* data = wkGetSSLPeerCertificateData(m_cfErrorUserInfoDict.get());

    if (!data)

        return E_FAIL;

    *result = (OLE_HANDLE)(ULONG64)data;

#endif

    return *result ? S_OK : E_FAIL;

}

const ResourceError& WebError::resourceError() const

{

    return m_error;

}