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/*
* Copyright (C) 2013 Google 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:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * 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.
* * Neither the name of Google Inc. nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND 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 THE COPYRIGHT
* OWNER 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.
*/
#ifndef WebEmbeddedWorkerImpl_h
#define WebEmbeddedWorkerImpl_h
#include "WebContentSecurityPolicy.h"
#include "WebEmbeddedWorker.h"
#include "WebEmbeddedWorkerStartData.h"
#include "WebFrameClient.h"
namespace WebCore {
class WorkerScriptLoader;
class WorkerThread;
}
namespace blink {
class ServiceWorkerGlobalScopeProxy;
class WebView;
class WebEmbeddedWorkerImpl :
public WebEmbeddedWorker,
public WebFrameClient {
WTF_MAKE_NONCOPYABLE(WebEmbeddedWorkerImpl);
public:
WebEmbeddedWorkerImpl(
PassOwnPtr<WebServiceWorkerContextClient>,
PassOwnPtr<WebWorkerPermissionClientProxy>);
virtual ~WebEmbeddedWorkerImpl();
// WebEmbeddedWorker overrides.
virtual void startWorkerContext(const WebEmbeddedWorkerStartData&) OVERRIDE;
virtual void terminateWorkerContext() OVERRIDE;
private:
class Loader;
class LoaderProxy;
void prepareShadowPageForLoader();
void onScriptLoaderFinished();
// WebFrameClient overrides, for 'shadow page' loading.
virtual void didCreateDataSource(WebFrame*, WebDataSource*) OVERRIDE;
WebEmbeddedWorkerStartData m_workerStartData;
// These are kept until startWorkerContext is called, and then passed on
// to WorkerContext.
OwnPtr<WebServiceWorkerContextClient> m_workerContextClient;
OwnPtr<WebWorkerPermissionClientProxy> m_permissionClient;
// Kept around only while main script loading is ongoing.
OwnPtr<Loader> m_mainScriptLoader;
RefPtr<WebCore::WorkerThread> m_workerThread;
OwnPtr<LoaderProxy> m_loaderProxy;
OwnPtr<ServiceWorkerGlobalScopeProxy> m_workerGlobalScopeProxy;
// 'shadow page' - created to proxy loading requests from the worker.
// Both WebView and WebFrame objects are close()'ed (where they're
// deref'ed) when this EmbeddedWorkerImpl is destructed, therefore they
// are guaranteed to exist while this object is around.
WebView* m_webView;
WebFrame* m_mainFrame;
RefPtr<WebCore::ExecutionContext> m_loadingContext;
bool m_askedToTerminate;
};
} // namespace blink
#endif // WebEmbeddedWorkerImpl_h
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