third_party/WebKit/Source/modules/worklet/WorkletScriptLoader.cpp

// Copyright 2016 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#include "modules/worklet/WorkletScriptLoader.h"

#include "core/dom/DOMException.h"
#include "core/dom/ExceptionCode.h"
#include "core/fetch/ResourceLoader.h"
#include "modules/worklet/Worklet.h"

namespace blink {

WorkletScriptLoader::WorkletScriptLoader(ScriptPromiseResolver* resolver, Worklet* worklet, ScriptResource* resource)
    : m_resolver(resolver)
    , m_host(worklet)
{
    setResource(resource);
}

void WorkletScriptLoader::cancel()
{
    if (resource()) {
        resource()->loader()->cancel();
        clearResource();
    }
}

void WorkletScriptLoader::notifyFinished(Resource* resource)
{
    DCHECK(this->resource() == resource);

    m_host->notifyFinished(this);
    if (resource->errorOccurred()) {
        m_resolver->reject(DOMException::create(NetworkError));
    } else {
        DCHECK(resource->isLoaded());
        m_resolver->resolve();
    }
    clearResource();
}

DEFINE_TRACE(WorkletScriptLoader)
{
    visitor->trace(m_resolver);
    visitor->trace(m_host);
    ResourceOwner<ScriptResource, ScriptResourceClient>::trace(visitor);
}

} // namespace blink