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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 WEBKIT_BROWSER_APPCACHE_APPCACHE_EXECUTABLE_HANDLER_H_ | |
6 #define WEBKIT_BROWSER_APPCACHE_APPCACHE_EXECUTABLE_HANDLER_H_ | |
7 | |
8 #include "base/callback.h" | |
9 #include "base/memory/scoped_ptr.h" | |
10 #include "url/gurl.h" | |
11 #include "webkit/browser/webkit_storage_browser_export.h" | |
12 | |
13 namespace net { | |
14 class IOBuffer; | |
15 class URLRequest; | |
16 } | |
17 | |
18 namespace appcache { | |
19 | |
20 // An interface that must be provided by the embedder to support this feature. | |
21 class WEBKIT_STORAGE_BROWSER_EXPORT AppCacheExecutableHandler { | |
22 public: | |
23 // A handler can respond in one of 4 ways, if each of the GURL fields | |
24 // in 'Response' are empty and use_network is false, an error response is | |
25 // synthesized. | |
26 struct Response { | |
27 GURL cached_resource_url; | |
28 GURL redirect_url; | |
29 bool use_network; | |
30 // TODO: blob + headers would be a good one to provide as well, as it would | |
31 // make templating possible. | |
32 }; | |
33 typedef base::Callback<void(const Response&)> ResponseCallback; | |
34 | |
35 // Deletion of the handler cancels all pending callbacks. | |
36 virtual ~AppCacheExecutableHandler() {} | |
37 | |
38 virtual void HandleRequest(net::URLRequest* req, | |
39 ResponseCallback callback) = 0; | |
40 }; | |
41 | |
42 // A factory to produce instances. | |
43 class WEBKIT_STORAGE_BROWSER_EXPORT AppCacheExecutableHandlerFactory { | |
44 public: | |
45 virtual scoped_ptr<AppCacheExecutableHandler> CreateHandler( | |
46 const GURL& handler_url, net::IOBuffer* handler_source) = 0; | |
47 | |
48 protected: | |
49 virtual ~AppCacheExecutableHandlerFactory() {} | |
50 }; | |
51 | |
52 } // namespace appcache | |
53 | |
54 #endif // WEBKIT_BROWSER_APPCACHE_APPCACHE_EXECUTABLE_HANDLER_H_ | |
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