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1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | 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 | 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 CHROME_BROWSER_WEB_RESOURCE_WEB_RESOURCE_SERVICE_H_ | 5 #ifndef CHROME_BROWSER_WEB_RESOURCE_WEB_RESOURCE_SERVICE_H_ |
6 #define CHROME_BROWSER_WEB_RESOURCE_WEB_RESOURCE_SERVICE_H_ | 6 #define CHROME_BROWSER_WEB_RESOURCE_WEB_RESOURCE_SERVICE_H_ |
7 | 7 |
8 #include <string> | 8 #include <string> |
9 | 9 |
10 #include "base/memory/ref_counted.h" | 10 #include "base/memory/ref_counted.h" |
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40 int start_fetch_delay_ms, | 40 int start_fetch_delay_ms, |
41 int cache_update_delay_ms); | 41 int cache_update_delay_ms); |
42 | 42 |
43 // Sleep until cache needs to be updated, but always for at least | 43 // Sleep until cache needs to be updated, but always for at least |
44 // |start_fetch_delay_ms| so we don't interfere with startup. | 44 // |start_fetch_delay_ms| so we don't interfere with startup. |
45 // Then begin updating resources. | 45 // Then begin updating resources. |
46 void StartAfterDelay(); | 46 void StartAfterDelay(); |
47 | 47 |
48 // JSONAsynchronousUnpackerDelegate methods. | 48 // JSONAsynchronousUnpackerDelegate methods. |
49 virtual void OnUnpackFinished( | 49 virtual void OnUnpackFinished( |
50 const base::DictionaryValue& parsed_json) OVERRIDE; | 50 const base::DictionaryValue& parsed_json) override; |
51 virtual void OnUnpackError(const std::string& error_message) OVERRIDE; | 51 virtual void OnUnpackError(const std::string& error_message) override; |
52 | 52 |
53 protected: | 53 protected: |
54 virtual ~WebResourceService(); | 54 virtual ~WebResourceService(); |
55 | 55 |
56 // For the subclasses to process the result of a fetch. | 56 // For the subclasses to process the result of a fetch. |
57 virtual void Unpack(const base::DictionaryValue& parsed_json) = 0; | 57 virtual void Unpack(const base::DictionaryValue& parsed_json) = 0; |
58 | 58 |
59 PrefService* prefs_; | 59 PrefService* prefs_; |
60 | 60 |
61 private: | 61 private: |
62 class UnpackerClient; | 62 class UnpackerClient; |
63 friend class base::RefCountedThreadSafe<WebResourceService>; | 63 friend class base::RefCountedThreadSafe<WebResourceService>; |
64 | 64 |
65 // net::URLFetcherDelegate implementation: | 65 // net::URLFetcherDelegate implementation: |
66 virtual void OnURLFetchComplete(const net::URLFetcher* source) OVERRIDE; | 66 virtual void OnURLFetchComplete(const net::URLFetcher* source) override; |
67 | 67 |
68 // Schedules a fetch after |delay_ms| milliseconds. | 68 // Schedules a fetch after |delay_ms| milliseconds. |
69 void ScheduleFetch(int64 delay_ms); | 69 void ScheduleFetch(int64 delay_ms); |
70 | 70 |
71 // Starts fetching data from the server. | 71 // Starts fetching data from the server. |
72 void StartFetch(); | 72 void StartFetch(); |
73 | 73 |
74 // Set |in_fetch_| to false, clean up temp directories (in the future). | 74 // Set |in_fetch_| to false, clean up temp directories (in the future). |
75 void EndFetch(); | 75 void EndFetch(); |
76 | 76 |
77 // Implements ResourceRequestAllowedNotifier::Observer. | 77 // Implements ResourceRequestAllowedNotifier::Observer. |
78 virtual void OnResourceRequestsAllowed() OVERRIDE; | 78 virtual void OnResourceRequestsAllowed() override; |
79 | 79 |
80 // Helper class used to tell this service if it's allowed to make network | 80 // Helper class used to tell this service if it's allowed to make network |
81 // resource requests. | 81 // resource requests. |
82 ResourceRequestAllowedNotifier resource_request_allowed_notifier_; | 82 ResourceRequestAllowedNotifier resource_request_allowed_notifier_; |
83 | 83 |
84 // The tool that fetches the url data from the server. | 84 // The tool that fetches the url data from the server. |
85 scoped_ptr<net::URLFetcher> url_fetcher_; | 85 scoped_ptr<net::URLFetcher> url_fetcher_; |
86 | 86 |
87 // The tool that parses and transforms the json data. Weak reference as it | 87 // The tool that parses and transforms the json data. Weak reference as it |
88 // deletes itself once the unpack is done. | 88 // deletes itself once the unpack is done. |
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110 int cache_update_delay_ms_; | 110 int cache_update_delay_ms_; |
111 | 111 |
112 // So that we can delay our start so as not to affect start-up time; also, | 112 // So that we can delay our start so as not to affect start-up time; also, |
113 // so that we can schedule future cache updates. | 113 // so that we can schedule future cache updates. |
114 base::WeakPtrFactory<WebResourceService> weak_ptr_factory_; | 114 base::WeakPtrFactory<WebResourceService> weak_ptr_factory_; |
115 | 115 |
116 DISALLOW_COPY_AND_ASSIGN(WebResourceService); | 116 DISALLOW_COPY_AND_ASSIGN(WebResourceService); |
117 }; | 117 }; |
118 | 118 |
119 #endif // CHROME_BROWSER_WEB_RESOURCE_WEB_RESOURCE_SERVICE_H_ | 119 #endif // CHROME_BROWSER_WEB_RESOURCE_WEB_RESOURCE_SERVICE_H_ |
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