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1 // Copyright (c) 2013 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_OFFLINE_POLICY | |
6 #define CONTENT_BROWSER_LOADER_OFFLINE_POLICY | |
7 | |
8 #include <map> | |
9 | |
10 #include "base/basictypes.h" | |
11 #include "content/common/content_export.h" | |
12 #include "webkit/glue/resource_type.h" | |
13 | |
14 struct ResourceHostMsg_Request; | |
15 | |
16 namespace net { | |
17 class HttpResponseInfo; | |
18 class URLRequest; | |
19 } | |
20 | |
21 namespace content { | |
22 | |
23 // This class controls under what conditions resources will be fetched | |
24 // from cache even if stale rather than from the network. For example, | |
25 // one policy would be that if requests for a particular route (e.g. "tab") | |
26 // is unable to reach the server, other requests made with the same route | |
27 // can be loaded from cache without first requiring a network timeout. | |
28 // | |
29 // There is a single OfflinePolicy object per user navigation unit | |
30 // (generally a tab). | |
31 class CONTENT_EXPORT OfflinePolicy { | |
32 public: | |
33 OfflinePolicy(); | |
34 ~OfflinePolicy(); | |
35 | |
36 // Return any additional load flags to be ORed for the current request. | |
darin (slow to review)
2013/04/11 20:01:23
nit: "for the current request" ... since the param
Randy Smith (Not in Mondays)
2013/04/12 14:06:44
Done.
| |
37 int GetAdditionalLoadFlags( | |
38 int current_flags, ResourceType::Type resource_type); | |
39 | |
40 // Incorporate online/offline information from a completed request. | |
41 void RequestCompleted(const net::HttpResponseInfo& response_info); | |
darin (slow to review)
2013/04/11 20:01:23
nit: how about method name that better describes t
Randy Smith (Not in Mondays)
2013/04/12 14:06:44
Done.
| |
42 | |
43 private: | |
44 enum OfflineState { INIT, ONLINE, OFFLINE }; | |
darin (slow to review)
2013/04/11 20:01:23
nit: since this class is named OfflinePolicy, you
Randy Smith (Not in Mondays)
2013/04/12 14:06:44
Done.
| |
45 | |
46 OfflineState offline_state_; | |
darin (slow to review)
2013/04/11 20:01:23
ditto: could just be named "state_"
Randy Smith (Not in Mondays)
2013/04/12 14:06:44
Done.
| |
47 | |
48 DISALLOW_COPY_AND_ASSIGN(OfflinePolicy); | |
49 }; | |
50 | |
51 } // namespace content | |
52 | |
53 #endif // CONTENT_BROWSER_LOADER_OFFLINE_POLICY | |
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