/*
 * Copyright (C) 2019 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 INC. AND ITS CONTRIBUTORS ``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 INC. OR ITS 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 "NetworkResourceLoadMap.h"
#include "NetworkResourceLoader.h"

namespace WebKit {

NetworkResourceLoadMap::NetworkResourceLoadMap(Function<void(bool hasUpload)>&& hasUploadChangeListener)
    : m_hasUploadChangeListener(WTFMove(hasUploadChangeListener))
{
}

NetworkResourceLoadMap::~NetworkResourceLoadMap()
{
    clear();
}

NetworkResourceLoadMap::MapType::AddResult NetworkResourceLoadMap::add(ResourceLoadIdentifier identifier, Ref<NetworkResourceLoader>&& loader)
{
    ASSERT(!m_loaders.contains(identifier));
    bool hasUpload = loader->originalRequest().hasUpload();
    auto result = m_loaders.add(identifier, WTFMove(loader));
    if (hasUpload)
        setHasUpload(true);
    return result;
}

bool NetworkResourceLoadMap::remove(ResourceLoadIdentifier identifier)
{
    return !!take(identifier);
}

void NetworkResourceLoadMap::clear()
{
    m_loaders.clear();
    setHasUpload(false);
}

RefPtr<NetworkResourceLoader> NetworkResourceLoadMap::take(ResourceLoadIdentifier identifier)
{
    auto loader = m_loaders.take(identifier);
    if (!loader)
        return nullptr;

    if ((*loader)->originalRequest().hasUpload())
        setHasUpload(WTF::anyOf(m_loaders.values(), [](auto& loader) { return loader->originalRequest().hasUpload(); }));

    return WTFMove(*loader);
}

NetworkResourceLoader* NetworkResourceLoadMap::get(ResourceLoadIdentifier identifier) const
{
    return m_loaders.get(identifier);
}

void NetworkResourceLoadMap::setHasUpload(bool hasUpload)
{
    if (m_hasUpload == hasUpload)
        return;

    m_hasUpload = hasUpload;
    if (m_hasUploadChangeListener)
        m_hasUploadChangeListener(m_hasUpload);
}

} // namespace WebKit