1 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
5 #ifndef CONTENT_BROWSER_LOADER_LAYERED_RESOURCE_HANDLER_H_
6 #define CONTENT_BROWSER_LOADER_LAYERED_RESOURCE_HANDLER_H_
8 #include "base/memory/scoped_ptr.h"
9 #include "content/browser/loader/resource_handler.h"
10 #include "content/common/content_export.h"
18 // A ResourceHandler that simply delegates all calls to a next handler. This
19 // class is intended to be subclassed.
20 class CONTENT_EXPORT LayeredResourceHandler : public ResourceHandler {
22 LayeredResourceHandler(net::URLRequest* request,
23 scoped_ptr<ResourceHandler> next_handler);
24 virtual ~LayeredResourceHandler();
26 // ResourceHandler implementation:
27 virtual void SetController(ResourceController* controller) OVERRIDE;
28 virtual bool OnUploadProgress(int request_id, uint64 position,
29 uint64 size) OVERRIDE;
30 virtual bool OnRequestRedirected(int request_id, const GURL& url,
31 ResourceResponse* response,
32 bool* defer) OVERRIDE;
33 virtual bool OnResponseStarted(int request_id,
34 ResourceResponse* response,
35 bool* defer) OVERRIDE;
36 virtual bool OnWillStart(int request_id, const GURL& url,
37 bool* defer) OVERRIDE;
38 virtual bool OnWillRead(int request_id,
39 scoped_refptr<net::IOBuffer>* buf,
41 int min_size) OVERRIDE;
42 virtual bool OnReadCompleted(int request_id, int bytes_read,
43 bool* defer) OVERRIDE;
44 virtual bool OnResponseCompleted(int request_id,
45 const net::URLRequestStatus& status,
46 const std::string& security_info) OVERRIDE;
47 virtual void OnDataDownloaded(int request_id, int bytes_downloaded) OVERRIDE;
49 scoped_ptr<ResourceHandler> next_handler_;
52 } // namespace content
54 #endif // CONTENT_BROWSER_LOADER_LAYERED_RESOURCE_HANDLER_H_