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/*
* Copyright (C) 2015-2016 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 "CachedModuleScriptLoader.h"
#include "CachedScript.h"
#include "CachedScriptFetcher.h"
#include "DOMWrapperWorld.h"
#include "Frame.h"
#include "JSDOMBinding.h"
#include "ResourceLoaderOptions.h"
#include "ScriptController.h"
#include "ScriptModuleLoader.h"
#include "ScriptSourceCode.h"
namespace WebCore {
Ref<CachedModuleScriptLoader> CachedModuleScriptLoader::create(CachedModuleScriptLoaderClient& client, DeferredPromise& promise, CachedScriptFetcher& scriptFetcher)
{
return adoptRef(*new CachedModuleScriptLoader(client, promise, scriptFetcher));
}
CachedModuleScriptLoader::CachedModuleScriptLoader(CachedModuleScriptLoaderClient& client, DeferredPromise& promise, CachedScriptFetcher& scriptFetcher)
: m_client(&client)
, m_promise(&promise)
, m_scriptFetcher(scriptFetcher)
{
}
CachedModuleScriptLoader::~CachedModuleScriptLoader()
{
if (m_cachedScript) {
m_cachedScript->removeClient(*this);
m_cachedScript = nullptr;
}
}
bool CachedModuleScriptLoader::load(Document& document, const URL& sourceURL)
{
ASSERT(!m_cachedScript);
m_cachedScript = m_scriptFetcher->requestModuleScript(document, sourceURL);
if (!m_cachedScript)
return false;
// If the content is already cached, this immediately calls notifyFinished.
m_cachedScript->addClient(*this);
return true;
}
void CachedModuleScriptLoader::notifyFinished(CachedResource& resource)
{
ASSERT_UNUSED(resource, &resource == m_cachedScript);
ASSERT(m_cachedScript);
ASSERT(m_promise);
Ref<CachedModuleScriptLoader> protectedThis(*this);
if (m_client)
m_client->notifyFinished(*this, WTFMove(m_promise));
// Remove the client after calling notifyFinished to keep the data buffer in
// CachedResource alive while notifyFinished processes the resource.
m_cachedScript->removeClient(*this);
m_cachedScript = nullptr;
}
}
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