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// Copyright (c) 2013 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 CONTENT_BROWSER_LOADER_STREAM_RESOURCE_HANDLER_H_
#define CONTENT_BROWSER_LOADER_STREAM_RESOURCE_HANDLER_H_
#include "base/memory/ref_counted.h"
#include "base/memory/scoped_ptr.h"
#include "content/browser/loader/resource_handler.h"
#include "content/browser/streams/stream_write_observer.h"
#include "googleurl/src/gurl.h"
namespace net {
class URLRequest;
} // namespace net
namespace content {
class StreamRegistry;
// Redirect this resource to a stream.
class StreamResourceHandler : public StreamWriteObserver,
public ResourceHandler {
public:
StreamResourceHandler(net::URLRequest* request,
StreamRegistry* registry,
const GURL& security_origin);
virtual ~StreamResourceHandler();
virtual bool OnUploadProgress(int request_id,
uint64 position,
uint64 size) OVERRIDE;
// Not needed, as this event handler ought to be the final resource.
virtual bool OnRequestRedirected(int request_id,
const GURL& url,
ResourceResponse* resp,
bool* defer) OVERRIDE;
virtual bool OnResponseStarted(int request_id,
ResourceResponse* resp,
bool* defer) OVERRIDE;
virtual bool OnWillStart(int request_id,
const GURL& url,
bool* defer) OVERRIDE;
// Create a new buffer to store received data.
virtual bool OnWillRead(int request_id,
net::IOBuffer** buf,
int* buf_size,
int min_size) OVERRIDE;
// A read was completed, forward the data to the Stream.
virtual bool OnReadCompleted(int request_id,
int bytes_read,
bool* defer) OVERRIDE;
virtual bool OnResponseCompleted(int request_id,
const net::URLRequestStatus& status,
const std::string& sec_info) OVERRIDE;
virtual void OnDataDownloaded(int request_id, int bytes_downloaded) OVERRIDE;
Stream* stream() { return stream_.get(); }
private:
virtual void OnSpaceAvailable(Stream* stream) OVERRIDE;
virtual void OnClose(Stream* stream) OVERRIDE;
net::URLRequest* request_;
scoped_refptr<Stream> stream_;
scoped_refptr<net::IOBuffer> read_buffer_;
DISALLOW_COPY_AND_ASSIGN(StreamResourceHandler);
};
} // namespace content
#endif // CONTENT_BROWSER_LOADER_STREAM_RESOURCE_HANDLER_H_
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