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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/loader/stream_writer.h"
namespace net {
class URLRequest;
} // namespace net
namespace content {
class StreamRegistry;
// Redirect this resource to a stream.
class StreamResourceHandler : public ResourceHandler {
public:
// |origin| will be used to construct the URL for the Stream. See
// WebCore::BlobURL and and WebCore::SecurityOrigin in Blink to understand
// how origin check is done on resource loading.
StreamResourceHandler(net::URLRequest* request,
StreamRegistry* registry,
const GURL& origin);
~StreamResourceHandler() override;
void SetController(ResourceController* controller) override;
bool OnUploadProgress(uint64 position, uint64 size) override;
// Not needed, as this event handler ought to be the final resource.
bool OnRequestRedirected(const net::RedirectInfo& redirect_info,
ResourceResponse* resp,
bool* defer) override;
bool OnResponseStarted(ResourceResponse* resp, bool* defer) override;
bool OnWillStart(const GURL& url, bool* defer) override;
bool OnBeforeNetworkStart(const GURL& url, bool* defer) override;
// Create a new buffer to store received data.
bool OnWillRead(scoped_refptr<net::IOBuffer>* buf,
int* buf_size,
int min_size) override;
// A read was completed, forward the data to the Stream.
bool OnReadCompleted(int bytes_read, bool* defer) override;
void OnResponseCompleted(const net::URLRequestStatus& status,
const std::string& sec_info,
bool* defer) override;
void OnDataDownloaded(int bytes_downloaded) override;
Stream* stream() { return writer_.stream(); }
private:
StreamWriter writer_;
DISALLOW_COPY_AND_ASSIGN(StreamResourceHandler);
};
} // namespace content
#endif // CONTENT_BROWSER_LOADER_STREAM_RESOURCE_HANDLER_H_
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