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1 // Copyright (c) 2009 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2009 The Chromium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #ifndef WEBKIT_APPCACHE_APPCACHE_URL_REQUEST_JOB_H_ | 5 #ifndef WEBKIT_APPCACHE_APPCACHE_URL_REQUEST_JOB_H_ |
6 #define WEBKIT_APPCACHE_APPCACHE_URL_REQUEST_JOB_H_ | 6 #define WEBKIT_APPCACHE_APPCACHE_URL_REQUEST_JOB_H_ |
7 | 7 |
8 #include <string> | 8 #include <string> |
9 | 9 |
10 #include "base/task.h" | 10 #include "base/task.h" |
11 #include "net/http/http_byte_range.h" | 11 #include "net/http/http_byte_range.h" |
12 #include "net/url_request/url_request_job.h" | 12 #include "net/url_request/url_request_job.h" |
13 #include "webkit/appcache/appcache_entry.h" | 13 #include "webkit/appcache/appcache_entry.h" |
14 #include "webkit/appcache/appcache_response.h" | 14 #include "webkit/appcache/appcache_response.h" |
15 #include "webkit/appcache/appcache_storage.h" | 15 #include "webkit/appcache/appcache_storage.h" |
16 | 16 |
17 namespace appcache { | 17 namespace appcache { |
18 | 18 |
19 // A URLRequestJob derivative that knows how to return a response stored | 19 // A net::URLRequestJob derivative that knows how to return a response stored |
20 // in the appcache. | 20 // in the appcache. |
21 class AppCacheURLRequestJob : public net::URLRequestJob, | 21 class AppCacheURLRequestJob : public net::URLRequestJob, |
22 public AppCacheStorage::Delegate { | 22 public AppCacheStorage::Delegate { |
23 public: | 23 public: |
24 AppCacheURLRequestJob(net::URLRequest* request, AppCacheStorage* storage); | 24 AppCacheURLRequestJob(net::URLRequest* request, AppCacheStorage* storage); |
25 virtual ~AppCacheURLRequestJob(); | 25 virtual ~AppCacheURLRequestJob(); |
26 | 26 |
27 // Informs the job of what response it should deliver. Only one of these | 27 // Informs the job of what response it should deliver. Only one of these |
28 // methods should be called, and only once per job. A job will sit idle and | 28 // methods should be called, and only once per job. A job will sit idle and |
29 // wait indefinitely until one of the deliver methods is called. | 29 // wait indefinitely until one of the deliver methods is called. |
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48 return delivery_type_ == ERROR_DELIVERY; | 48 return delivery_type_ == ERROR_DELIVERY; |
49 } | 49 } |
50 | 50 |
51 // Accessors for the info about the appcached response, if any, | 51 // Accessors for the info about the appcached response, if any, |
52 // that this job has been instructed to deliver. These are only | 52 // that this job has been instructed to deliver. These are only |
53 // valid to call if is_delivering_appcache_response. | 53 // valid to call if is_delivering_appcache_response. |
54 const GURL& manifest_url() { return manifest_url_; } | 54 const GURL& manifest_url() { return manifest_url_; } |
55 int64 cache_id() { return cache_id_; } | 55 int64 cache_id() { return cache_id_; } |
56 const AppCacheEntry& entry() { return entry_; } | 56 const AppCacheEntry& entry() { return entry_; } |
57 | 57 |
58 // URLRequestJob's Kill method is made public so the users of this | 58 // net::URLRequestJob's Kill method is made public so the users of this |
59 // class in the appcache namespace can call it. | 59 // class in the appcache namespace can call it. |
60 virtual void Kill(); | 60 virtual void Kill(); |
61 | 61 |
62 // Returns true if the job has been started by the net library. | 62 // Returns true if the job has been started by the net library. |
63 bool has_been_started() const { | 63 bool has_been_started() const { |
64 return has_been_started_; | 64 return has_been_started_; |
65 } | 65 } |
66 | 66 |
67 // Returns true if the job has been killed. | 67 // Returns true if the job has been killed. |
68 bool has_been_killed() const { | 68 bool has_been_killed() const { |
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97 virtual void OnResponseInfoLoaded( | 97 virtual void OnResponseInfoLoaded( |
98 AppCacheResponseInfo* response_info, int64 response_id); | 98 AppCacheResponseInfo* response_info, int64 response_id); |
99 | 99 |
100 const net::HttpResponseInfo* http_info() const; | 100 const net::HttpResponseInfo* http_info() const; |
101 bool is_range_request() const { return range_requested_.IsValid(); } | 101 bool is_range_request() const { return range_requested_.IsValid(); } |
102 void SetupRangeResponse(); | 102 void SetupRangeResponse(); |
103 | 103 |
104 // AppCacheResponseReader completion callback | 104 // AppCacheResponseReader completion callback |
105 void OnReadComplete(int result); | 105 void OnReadComplete(int result); |
106 | 106 |
107 // URLRequestJob methods, see url_request_job.h for doc comments | 107 // net::URLRequestJob methods, see url_request_job.h for doc comments |
108 virtual void Start(); | 108 virtual void Start(); |
109 virtual net::LoadState GetLoadState() const; | 109 virtual net::LoadState GetLoadState() const; |
110 virtual bool GetCharset(std::string* charset); | 110 virtual bool GetCharset(std::string* charset); |
111 virtual void GetResponseInfo(net::HttpResponseInfo* info); | 111 virtual void GetResponseInfo(net::HttpResponseInfo* info); |
112 virtual bool ReadRawData(net::IOBuffer* buf, int buf_size, int *bytes_read); | 112 virtual bool ReadRawData(net::IOBuffer* buf, int buf_size, int *bytes_read); |
113 | 113 |
114 // Sets extra request headers for Job types that support request headers. | 114 // Sets extra request headers for Job types that support request headers. |
115 // This is how we get informed of range-requests. | 115 // This is how we get informed of range-requests. |
116 virtual void SetExtraRequestHeaders(const net::HttpRequestHeaders& headers); | 116 virtual void SetExtraRequestHeaders(const net::HttpRequestHeaders& headers); |
117 | 117 |
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142 net::HttpByteRange range_requested_; | 142 net::HttpByteRange range_requested_; |
143 scoped_ptr<net::HttpResponseInfo> range_response_info_; | 143 scoped_ptr<net::HttpResponseInfo> range_response_info_; |
144 scoped_ptr<AppCacheResponseReader> reader_; | 144 scoped_ptr<AppCacheResponseReader> reader_; |
145 net::CompletionCallbackImpl<AppCacheURLRequestJob> read_callback_; | 145 net::CompletionCallbackImpl<AppCacheURLRequestJob> read_callback_; |
146 ScopedRunnableMethodFactory<AppCacheURLRequestJob> method_factory_; | 146 ScopedRunnableMethodFactory<AppCacheURLRequestJob> method_factory_; |
147 }; | 147 }; |
148 | 148 |
149 } // namespace appcache | 149 } // namespace appcache |
150 | 150 |
151 #endif // WEBKIT_APPCACHE_APPCACHE_REQUEST_HANDLER_H_ | 151 #endif // WEBKIT_APPCACHE_APPCACHE_REQUEST_HANDLER_H_ |
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