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Side by Side Diff: chrome/browser/web_resource/web_resource_service.h

Issue 7108035: Revert 88400 (Probable breaker of XP Tests(dbg)(5), 10.6 Tests (dbg)(2), 10.5 Tests (dbg)(2)) (Closed) Base URL: svn://svn.chromium.org/chrome/trunk/src/
Patch Set: Created 9 years, 6 months ago
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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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