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1 // Copyright (c) 2011 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2011 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 #pragma once | 7 #pragma once |
8 | 8 |
9 #include <string> | 9 #include <string> |
10 | 10 |
11 #include "chrome/browser/utility_process_host.h" | 11 #include "chrome/browser/utility_process_host.h" |
12 #include "content/common/notification_type.h" | 12 #include "content/common/notification_type.h" |
13 | 13 |
14 class PrefService; | 14 class PrefService; |
| 15 class Profile; |
15 class ResourceDispatcherHost; | 16 class ResourceDispatcherHost; |
16 | 17 |
17 // A WebResourceService fetches data from a web resource server and store | 18 // A WebResourceService fetches data from a web resource server and store |
18 // locally as user preference. | 19 // locally as user preference. |
19 class WebResourceService | 20 class WebResourceService |
20 : public UtilityProcessHost::Client { | 21 : public UtilityProcessHost::Client { |
21 public: | 22 public: |
22 // Pass notification_type = NOTIFICATION_TYPE_COUNT if notification is not | 23 // Pass notification_type = NOTIFICATION_TYPE_COUNT if notification is not |
23 // required. | 24 // required. |
24 WebResourceService(PrefService* prefs, | 25 WebResourceService(Profile* profile, |
| 26 PrefService* prefs, |
25 const char* web_resource_server, | 27 const char* web_resource_server, |
26 bool apply_locale_to_url_, | 28 bool apply_locale_to_url_, |
27 NotificationType::Type notification_type, | 29 NotificationType::Type notification_type, |
28 const char* last_update_time_pref_name, | 30 const char* last_update_time_pref_name, |
29 int start_fetch_delay, | 31 int start_fetch_delay, |
30 int cache_update_delay); | 32 int cache_update_delay); |
31 | 33 |
32 // Sleep until cache needs to be updated, but always for at least 5 seconds | 34 // Sleep until cache needs to be updated, but always for at least 5 seconds |
33 // so we don't interfere with startup. Then begin updating resources. | 35 // so we don't interfere with startup. Then begin updating resources. |
34 void StartAfterDelay(); | 36 void StartAfterDelay(); |
35 | 37 |
36 // We have successfully pulled data from a resource server; now launch | 38 // We have successfully pulled data from a resource server; now launch |
37 // the process that will parse the JSON, and then update the cache. | 39 // the process that will parse the JSON, and then update the cache. |
38 void UpdateResourceCache(const std::string& json_data); | 40 void UpdateResourceCache(const std::string& json_data); |
39 | 41 |
40 protected: | 42 protected: |
41 virtual ~WebResourceService(); | 43 virtual ~WebResourceService(); |
42 | 44 |
43 virtual void Unpack(const DictionaryValue& parsed_json) = 0; | 45 virtual void Unpack(const DictionaryValue& parsed_json) = 0; |
44 | 46 |
45 // If delay_ms is positive, schedule notification with the delay. | 47 // If delay_ms is positive, schedule notification with the delay. |
46 // If delay_ms is 0, notify immediately by calling WebResourceStateChange(). | 48 // If delay_ms is 0, notify immediately by calling WebResourceStateChange(). |
47 // If delay_ms is negative, do nothing. | 49 // If delay_ms is negative, do nothing. |
48 void PostNotification(int64 delay_ms); | 50 void PostNotification(int64 delay_ms); |
49 | 51 |
50 // We need to be able to load parsed resource data into preferences file, | 52 // We need to be able to load parsed resource data into preferences file, |
51 // and get proper install directory. | 53 // and get proper install directory. |
52 PrefService* prefs_; | 54 PrefService* prefs_; |
53 | 55 |
| 56 Profile* profile_; |
| 57 |
54 private: | 58 private: |
55 class WebResourceFetcher; | 59 class WebResourceFetcher; |
56 friend class WebResourceFetcher; | 60 friend class WebResourceFetcher; |
57 | 61 |
58 class UnpackerClient; | 62 class UnpackerClient; |
59 | 63 |
60 // Set in_fetch_ to false, clean up temp directories (in the future). | 64 // Set in_fetch_ to false, clean up temp directories (in the future). |
61 void EndFetch(); | 65 void EndFetch(); |
62 | 66 |
63 // Puts parsed json data in the right places, and writes to prefs file. | 67 // Puts parsed json data in the right places, and writes to prefs file. |
64 void OnWebResourceUnpacked(const DictionaryValue& parsed_json); | 68 void OnWebResourceUnpacked(const DictionaryValue& parsed_json); |
65 | 69 |
66 // Notify listeners that the state of a web resource has changed. | 70 // Notify listeners that the state of a web resource has changed. |
67 void WebResourceStateChange(); | 71 void WebResourceStateChange(); |
68 | 72 |
69 scoped_ptr<WebResourceFetcher> web_resource_fetcher_; | 73 scoped_ptr<WebResourceFetcher> web_resource_fetcher_; |
70 | 74 |
71 ResourceDispatcherHost* resource_dispatcher_host_; | 75 ResourceDispatcherHost* resource_dispatcher_host_; |
72 | 76 |
73 // Allows the creation of tasks to send a WEB_RESOURCE_STATE_CHANGED | 77 // Allows the creation of tasks to send a WEB_RESOURCE_STATE_CHANGED |
74 // notification. This allows the WebResourceService to notify the New Tab | 78 // notification. This allows the WebResourceService to notify the New Tab |
75 // Page immediately when a new web resource should be shown or removed. | 79 // Page immediately when a new web resource should be shown or removed. |
76 ScopedRunnableMethodFactory<WebResourceService> service_factory_; | 80 ScopedRunnableMethodFactory<WebResourceService> service_factory_; |
77 | 81 |
78 // True if we are currently mid-fetch. If we are asked to start a fetch | 82 // True if we are currently mid-fetch. If we are asked to start a fetch |
79 // when we are still fetching resource data, schedule another one in | 83 // when we are still fetching resource data, schedule another one in |
80 // kCacheUpdateDelay time, and silently exit. | 84 // kCacheUpdateDelay time, and silently exit. |
81 bool in_fetch_; | 85 bool in_fetch_; |
82 | 86 |
83 // URL that hosts the web resource. This URL will be loaded with a | 87 // URL that hosts the web resource. |
84 // SystemURLRequestContext, so should not depend on Profile request context | |
85 // data (see http://codereview.chromium.org/7099004/). | |
86 const char* web_resource_server_; | 88 const char* web_resource_server_; |
87 | 89 |
88 // Indicates whether we should append locale to the web resource server URL. | 90 // Indicates whether we should append locale to the web resource server URL. |
89 bool apply_locale_to_url_; | 91 bool apply_locale_to_url_; |
90 | 92 |
91 // Notification type when an update is done. | 93 // Notification type when an update is done. |
92 NotificationType::Type notification_type_; | 94 NotificationType::Type notification_type_; |
93 | 95 |
94 // Pref name to store the last update's time. | 96 // Pref name to store the last update's time. |
95 const char* last_update_time_pref_name_; | 97 const char* last_update_time_pref_name_; |
96 | 98 |
97 // Delay on first fetch so we don't interfere with startup. | 99 // Delay on first fetch so we don't interfere with startup. |
98 int start_fetch_delay_; | 100 int start_fetch_delay_; |
99 | 101 |
100 // Delay between calls to update the web resource cache. This delay may be | 102 // Delay between calls to update the web resource cache. This delay may be |
101 // different for different builds of Chrome. | 103 // different for different builds of Chrome. |
102 int cache_update_delay_; | 104 int cache_update_delay_; |
103 | 105 |
104 // True if a task has been set to update the cache when a new web resource | 106 // True if a task has been set to update the cache when a new web resource |
105 // becomes available. | 107 // becomes available. |
106 bool web_resource_update_scheduled_; | 108 bool web_resource_update_scheduled_; |
107 | 109 |
108 DISALLOW_COPY_AND_ASSIGN(WebResourceService); | 110 DISALLOW_COPY_AND_ASSIGN(WebResourceService); |
109 }; | 111 }; |
110 | 112 |
111 #endif // CHROME_BROWSER_WEB_RESOURCE_WEB_RESOURCE_SERVICE_H_ | 113 #endif // CHROME_BROWSER_WEB_RESOURCE_WEB_RESOURCE_SERVICE_H_ |
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