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/*
* Copyright (C) 2014 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 WorkerLoaderClientBridgeSyncHelper_h
#define WorkerLoaderClientBridgeSyncHelper_h
#include "core/loader/ThreadableLoaderClientWrapper.h"
#include "wtf/Forward.h"
#include "wtf/Functional.h"
#include "wtf/ThreadingPrimitives.h"
#include "wtf/Vector.h"
namespace blink {
class WebWaitableEvent;
}
namespace blink {
// This bridge is created and destroyed on the worker thread, but is
// passed to and used on the main thread. Each did* method records the given
// data so that they can be run on the worker thread later (by run()).
class WorkerLoaderClientBridgeSyncHelper : public ThreadableLoaderClient {
USING_FAST_MALLOC(WorkerLoaderClientBridgeSyncHelper);
public:
static PassOwnPtr<WorkerLoaderClientBridgeSyncHelper> create(ThreadableLoaderClientWrapper*, PassOwnPtr<WebWaitableEvent>);
~WorkerLoaderClientBridgeSyncHelper() override;
// Called on the worker context thread.
void run();
// Called on the main thread.
void didSendData(unsigned long long bytesSent, unsigned long long totalBytesToBeSent) override;
void didReceiveResponse(unsigned long identifier, const ResourceResponse&, PassOwnPtr<WebDataConsumerHandle>) override;
void didReceiveData(const char*, unsigned dataLength) override;
void didDownloadData(int dataLength) override;
void didReceiveCachedMetadata(const char*, int dataLength) override;
void didFinishLoading(unsigned long identifier, double finishTime) override;
void didFail(const ResourceError&) override;
void didFailAccessControlCheck(const ResourceError&) override;
void didFailRedirectCheck() override;
void didReceiveResourceTiming(const ResourceTimingInfo&) override;
private:
WorkerLoaderClientBridgeSyncHelper(ThreadableLoaderClientWrapper*, PassOwnPtr<WebWaitableEvent>);
bool m_done;
RefPtr<ThreadableLoaderClientWrapper> m_client;
OwnPtr<WebWaitableEvent> m_event;
Vector<Vector<char>*> m_receivedData;
// Thread-safety: |m_clientTasks| can be written (i.e. Closures are added)
// on the main thread only before |m_event| is signaled and can be read
// on the worker context thread only after |m_event| is signaled.
Vector<OwnPtr<Closure>> m_clientTasks;
Mutex m_lock;
};
} // namespace blink
#endif // WorkerLoaderClientBridgeSyncHelper_h