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// Copyright (c) 2011 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.
#ifndef WEBKIT_BROWSER_BLOB_BLOB_URL_REQUEST_JOB_FACTORY_H_
#define WEBKIT_BROWSER_BLOB_BLOB_URL_REQUEST_JOB_FACTORY_H_
#include "base/compiler_specific.h"
#include "base/memory/ref_counted.h"
#include "base/memory/scoped_ptr.h"
#include "net/url_request/url_request.h"
#include "net/url_request/url_request_job_factory.h"
#include "webkit/common/storage_export.h"
namespace base {
class MessageLoopProxy;
} // namespace base
namespace storage {
class FileSystemContext;
} // namespace storage
namespace net {
class URLRequestContext;
} // namespace net
namespace storage {
class BlobData;
class BlobDataHandle;
class BlobStorageContext;
class STORAGE_EXPORT BlobProtocolHandler
: public net::URLRequestJobFactory::ProtocolHandler {
public:
// A helper to manufacture an URLRequest to retrieve the given blob.
static scoped_ptr<net::URLRequest> CreateBlobRequest(
scoped_ptr<BlobDataHandle> blob_data_handle,
const net::URLRequestContext* request_context,
net::URLRequest::Delegate* request_delegate);
// This class ignores the request's URL and uses the value given
// to SetRequestedBlobDataHandle instead.
static void SetRequestedBlobDataHandle(
net::URLRequest* request,
scoped_ptr<BlobDataHandle> blob_data_handle);
BlobProtocolHandler(
BlobStorageContext* context,
storage::FileSystemContext* file_system_context,
const scoped_refptr<base::MessageLoopProxy>& file_loop_proxy);
virtual ~BlobProtocolHandler();
virtual net::URLRequestJob* MaybeCreateJob(
net::URLRequest* request,
net::NetworkDelegate* network_delegate) const OVERRIDE;
private:
scoped_refptr<BlobData> LookupBlobData(
net::URLRequest* request) const;
base::WeakPtr<BlobStorageContext> context_;
const scoped_refptr<storage::FileSystemContext> file_system_context_;
const scoped_refptr<base::MessageLoopProxy> file_loop_proxy_;
DISALLOW_COPY_AND_ASSIGN(BlobProtocolHandler);
};
} // namespace storage
#endif // WEBKIT_BROWSER_BLOB_BLOB_URL_REQUEST_JOB_FACTORY_H_
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