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.
4
5#ifndef CONTENT_BROWSER_LOADER_SYNC_RESOURCE_HANDLER_H_
6#define CONTENT_BROWSER_LOADER_SYNC_RESOURCE_HANDLER_H_
7
8#include <string>
9
10#include "content/browser/loader/resource_handler.h"
11#include "content/public/common/resource_response.h"
12
13namespace IPC {
14class Message;
15}
16
17namespace net {
18class IOBuffer;
19class URLRequest;
20}
21
22namespace content {
23class ResourceDispatcherHostImpl;
24class ResourceMessageFilter;
25
26// Used to complete a synchronous resource request in response to resource load
27// events from the resource dispatcher host.
28class SyncResourceHandler : public ResourceHandler {
29 public:
30  SyncResourceHandler(ResourceMessageFilter* filter,
31                      net::URLRequest* request,
32                      IPC::Message* result_message,
33                      ResourceDispatcherHostImpl* resource_dispatcher_host);
34  virtual ~SyncResourceHandler();
35
36  virtual bool OnUploadProgress(int request_id,
37                                uint64 position,
38                                uint64 size) OVERRIDE;
39  virtual bool OnRequestRedirected(int request_id,
40                                   const GURL& new_url,
41                                   ResourceResponse* response,
42                                   bool* defer) OVERRIDE;
43  virtual bool OnResponseStarted(int request_id,
44                                 ResourceResponse* response,
45                                 bool* defer) OVERRIDE;
46  virtual bool OnWillStart(int request_id,
47                           const GURL& url,
48                           bool* defer) OVERRIDE;
49  virtual bool OnWillRead(int request_id,
50                          net::IOBuffer** buf,
51                          int* buf_size,
52                          int min_size) OVERRIDE;
53  virtual bool OnReadCompleted(int request_id,
54                               int bytes_read,
55                               bool* defer) OVERRIDE;
56  virtual bool OnResponseCompleted(int request_id,
57                                   const net::URLRequestStatus& status,
58                                   const std::string& security_info) OVERRIDE;
59  virtual void OnDataDownloaded(int request_id, int bytes_downloaded) OVERRIDE;
60
61 private:
62  enum { kReadBufSize = 3840 };
63
64  scoped_refptr<net::IOBuffer> read_buffer_;
65
66  SyncLoadResult result_;
67  scoped_refptr<ResourceMessageFilter> filter_;
68  net::URLRequest* request_;
69  IPC::Message* result_message_;
70  ResourceDispatcherHostImpl* rdh_;
71};
72
73}  // namespace content
74
75#endif  // CONTENT_BROWSER_LOADER_SYNC_RESOURCE_HANDLER_H_
76