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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/* vim: set ts=4 sw=4 sts=4 et tw=80: */
/* This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

#include "DataChannelChild.h"

#include "mozilla/Unused.h"
#include "mozilla/dom/ContentChild.h"
#include "mozilla/net/NeckoChild.h"

namespace mozilla {
namespace net {

NS_IMPL_ISUPPORTS_INHERITED(DataChannelChild, nsDataChannel, nsIChildChannel)

DataChannelChild::DataChannelChild(nsIURI* aURI)
    : nsDataChannel(aURI)
    , mIPCOpen(false)
{
}

NS_IMETHODIMP
DataChannelChild::ConnectParent(uint32_t aId)
{
    mozilla::dom::ContentChild* cc =
        static_cast<mozilla::dom::ContentChild*>(gNeckoChild->Manager());
    if (cc->IsShuttingDown()) {
        return NS_ERROR_FAILURE;
    }

    if (!gNeckoChild->SendPDataChannelConstructor(this, aId)) {
        return NS_ERROR_FAILURE;
    }

    // IPC now has a ref to us.
    AddIPDLReference();
    return NS_OK;
}

NS_IMETHODIMP
DataChannelChild::CompleteRedirectSetup(nsIStreamListener *aListener,
                                        nsISupports *aContext)
{
    nsresult rv;
    if (mLoadInfo && mLoadInfo->GetEnforceSecurity()) {
        MOZ_ASSERT(!aContext, "aContext should be null!");
        rv = AsyncOpen2(aListener);
    }
    else {
        rv = AsyncOpen(aListener, aContext);
    }
    if (NS_WARN_IF(NS_FAILED(rv))) {
        return rv;
    }

    if (mIPCOpen) {
        Unused << Send__delete__(this);
    }
    return NS_OK;
}

void
DataChannelChild::AddIPDLReference()
{
    AddRef();
    mIPCOpen = true;
}

void
DataChannelChild::ActorDestroy(ActorDestroyReason why)
{
    MOZ_ASSERT(mIPCOpen);
    mIPCOpen = false;
    Release();
}

} // namespace net
} // namespace mozilla