/*

 * 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 "WebFramePolicyListener.h"

#include "WebFrame.h"

#pragma warning(push, 0)

#include <WebCore/Frame.h>

#include <WebCore/FrameLoader.h>

#include <WebCore/FrameLoaderClient.h>

#pragma warning(pop)

using namespace WebCore;

// WebFramePolicyListener ----------------------------------------------------------------

WebFramePolicyListener::WebFramePolicyListener(PassRefPtr<Frame> frame)

    : m_refCount(0)

    , m_frame(frame)

{

    gClassCount++;

}

WebFramePolicyListener::~WebFramePolicyListener()

{

    gClassCount--;

}

WebFramePolicyListener* WebFramePolicyListener::createInstance(PassRefPtr<Frame> frame)

{

    WebFramePolicyListener* instance = new WebFramePolicyListener(frame);

    instance->AddRef();

    return instance;

}

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

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

{

    *ppvObject = 0;

    if (IsEqualGUID(riid, IID_IUnknown))

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

    else if (IsEqualGUID(riid, IID_IWebPolicyDecisionListener))

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

    else if (IsEqualGUID(riid, IID_IWebFormSubmissionListener))

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

    else

        return E_NOINTERFACE;

    AddRef();

    return S_OK;

}

ULONG STDMETHODCALLTYPE WebFramePolicyListener::AddRef(void)

{

    return ++m_refCount;

}

ULONG STDMETHODCALLTYPE WebFramePolicyListener::Release(void)

{

    ULONG newRef = --m_refCount;

    if (!newRef)

        delete(this);

    return newRef;

}

// IWebPolicyDecisionListener ------------------------------------------------------------

HRESULT STDMETHODCALLTYPE WebFramePolicyListener::use(void)

{

    receivedPolicyDecision(PolicyUse);

    return S_OK;

}

HRESULT STDMETHODCALLTYPE WebFramePolicyListener::download(void)

{

    receivedPolicyDecision(PolicyDownload);

    return S_OK;

}

HRESULT STDMETHODCALLTYPE WebFramePolicyListener::ignore(void)

{

    receivedPolicyDecision(PolicyIgnore);

    return S_OK;

}

// IWebFormSubmissionListener ------------------------------------------------------------

HRESULT STDMETHODCALLTYPE WebFramePolicyListener::continueSubmit(void)

{

    receivedPolicyDecision(PolicyUse);

    return S_OK;

}

// WebFramePolicyListener ----------------------------------------------------------------

void WebFramePolicyListener::receivedPolicyDecision(PolicyAction action)

{

    RefPtr<Frame> frame = m_frame.release();

    if (frame)

        static_cast<WebFrame*>(frame->loader()->client())->receivedPolicyDecision(action);

}

void WebFramePolicyListener::invalidate()

{

    m_frame = 0;

}