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// Copyright (c) 2012 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_LAYERED_RESOURCE_HANDLER_H_
#define CONTENT_BROWSER_LOADER_LAYERED_RESOURCE_HANDLER_H_
#include "base/memory/scoped_ptr.h"
#include "content/browser/loader/resource_handler.h"
#include "content/common/content_export.h"
namespace content {
// A ResourceHandler that simply delegates all calls to a next handler. This
// class is intended to be subclassed.
class CONTENT_EXPORT LayeredResourceHandler : public ResourceHandler {
public:
explicit LayeredResourceHandler(scoped_ptr<ResourceHandler> next_handler);
virtual ~LayeredResourceHandler();
// ResourceHandler implementation:
virtual void SetController(ResourceController* controller) OVERRIDE;
virtual bool OnUploadProgress(int request_id, uint64 position,
uint64 size) OVERRIDE;
virtual bool OnRequestRedirected(int request_id, const GURL& url,
ResourceResponse* response,
bool* defer) OVERRIDE;
virtual bool OnResponseStarted(int request_id,
ResourceResponse* response,
bool* defer) OVERRIDE;
virtual bool OnWillStart(int request_id, const GURL& url,
bool* defer) OVERRIDE;
virtual bool OnWillRead(int request_id, net::IOBuffer** buf, int* buf_size,
int min_size) OVERRIDE;
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& security_info) OVERRIDE;
virtual void OnDataDownloaded(int request_id, int bytes_downloaded) OVERRIDE;
scoped_ptr<ResourceHandler> next_handler_;
};
} // namespace content
#endif // CONTENT_BROWSER_LOADER_LAYERED_RESOURCE_HANDLER_H_
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