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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_RLZ_RLZ_H_ | 5 #ifndef CHROME_BROWSER_RLZ_RLZ_H_ |
6 #define CHROME_BROWSER_RLZ_RLZ_H_ | 6 #define CHROME_BROWSER_RLZ_RLZ_H_ |
7 | 7 |
8 #include "build/build_config.h" | 8 #include "build/build_config.h" |
9 | 9 |
10 #if defined(ENABLE_RLZ) | 10 #if defined(ENABLE_RLZ) |
11 | 11 |
12 #include <map> | 12 #include <map> |
13 #include <string> | 13 #include <string> |
14 | 14 |
15 #include "base/basictypes.h" | 15 #include "base/basictypes.h" |
16 #include "base/memory/singleton.h" | 16 #include "base/memory/singleton.h" |
17 #include "base/string16.h" | 17 #include "base/string16.h" |
18 #include "base/threading/thread.h" | 18 #include "base/threading/sequenced_worker_pool.h" |
19 #include "content/public/browser/notification_observer.h" | 19 #include "content/public/browser/notification_observer.h" |
20 #include "content/public/browser/notification_registrar.h" | 20 #include "content/public/browser/notification_registrar.h" |
21 #include "rlz/lib/rlz_lib.h" | 21 #include "rlz/lib/rlz_lib.h" |
22 | 22 |
23 namespace net { | 23 namespace net { |
24 class URLRequestContextGetter; | 24 class URLRequestContextGetter; |
25 } | 25 } |
26 | 26 |
27 // RLZ is a library which is used to measure distribution scenarios. | 27 // RLZ is a library which is used to measure distribution scenarios. |
28 // Its job is to record certain lifetime events in the registry and to send | 28 // Its job is to record certain lifetime events in the registry and to send |
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106 friend struct DefaultSingletonTraits<RLZTracker>; | 106 friend struct DefaultSingletonTraits<RLZTracker>; |
107 friend class base::RefCountedThreadSafe<RLZTracker>; | 107 friend class base::RefCountedThreadSafe<RLZTracker>; |
108 | 108 |
109 // Implementation called from InitRlzDelayed() static method. | 109 // Implementation called from InitRlzDelayed() static method. |
110 bool Init(bool first_run, | 110 bool Init(bool first_run, |
111 int delay, | 111 int delay, |
112 bool google_default_search, | 112 bool google_default_search, |
113 bool google_default_homepage, | 113 bool google_default_homepage, |
114 bool is_google_in_startpages); | 114 bool is_google_in_startpages); |
115 | 115 |
116 // Initializes task runners for tasks that access RlzValueStore and perform | |
117 // disk I/O. | |
118 virtual bool InitWorkers(); | |
119 | |
120 // Implementation called from RecordProductEvent() static method. | 116 // Implementation called from RecordProductEvent() static method. |
121 bool RecordProductEventImpl(rlz_lib::Product product, | 117 bool RecordProductEventImpl(rlz_lib::Product product, |
122 rlz_lib::AccessPoint point, | 118 rlz_lib::AccessPoint point, |
123 rlz_lib::Event event_id); | 119 rlz_lib::Event event_id); |
124 | 120 |
125 // Records FIRST_SEARCH event. Called from Observe() on blocking task runner. | 121 // Records FIRST_SEARCH event. Called from Observe() on blocking task runner. |
126 void RecordFirstSearch(rlz_lib::AccessPoint point); | 122 void RecordFirstSearch(rlz_lib::AccessPoint point); |
127 | 123 |
128 // Implementation called from GetAccessPointRlz() static method. | 124 // Implementation called from GetAccessPointRlz() static method. |
129 bool GetAccessPointRlzImpl(rlz_lib::AccessPoint point, string16* rlz); | 125 bool GetAccessPointRlzImpl(rlz_lib::AccessPoint point, string16* rlz); |
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162 // will be returned from GetInstance() instead of the regular singleton. | 158 // will be returned from GetInstance() instead of the regular singleton. |
163 static RLZTracker* tracker_; | 159 static RLZTracker* tracker_; |
164 | 160 |
165 // Configuation data for RLZ tracker. Set by call to Init(). | 161 // Configuation data for RLZ tracker. Set by call to Init(). |
166 bool first_run_; | 162 bool first_run_; |
167 bool send_ping_immediately_; | 163 bool send_ping_immediately_; |
168 bool is_google_default_search_; | 164 bool is_google_default_search_; |
169 bool is_google_homepage_; | 165 bool is_google_homepage_; |
170 bool is_google_in_startpages_; | 166 bool is_google_in_startpages_; |
171 | 167 |
172 // Dedicated RLZ thread for accessing RlzValueStore and doing I/O. | 168 // Unique sequence token so that tasks posted by RLZTracker are executed |
173 base::Thread rlz_thread_; | 169 // sequentially in the blocking pool. |
174 | 170 base::SequencedWorkerPool::SequenceToken worker_pool_token_; |
175 // Sequenced task runner used to post blocking tasks that access | |
176 // RlzValueStore. | |
177 base::SequencedTaskRunner* blocking_task_runner_; | |
178 | 171 |
179 // URLRequestContextGetter used by RLZ library. | 172 // URLRequestContextGetter used by RLZ library. |
180 net::URLRequestContextGetter* url_request_context_; | 173 net::URLRequestContextGetter* url_request_context_; |
181 | 174 |
182 // Keeps track if the RLZ tracker has already performed its delayed | 175 // Keeps track if the RLZ tracker has already performed its delayed |
183 // initialization. | 176 // initialization. |
184 bool already_ran_; | 177 bool already_ran_; |
185 | 178 |
186 // Keeps a cache of RLZ access point strings, since they rarely change. | 179 // Keeps a cache of RLZ access point strings, since they rarely change. |
187 // The cache must be protected by a lock since it may be accessed from | 180 // The cache must be protected by a lock since it may be accessed from |
188 // the UI thread for reading and the IO thread for reading and/or writing. | 181 // the UI thread for reading and the IO thread for reading and/or writing. |
189 base::Lock cache_lock_; | 182 base::Lock cache_lock_; |
190 std::map<rlz_lib::AccessPoint, string16> rlz_cache_; | 183 std::map<rlz_lib::AccessPoint, string16> rlz_cache_; |
191 | 184 |
192 // Keeps track of whether the omnibox or host page have been used. | 185 // Keeps track of whether the omnibox or host page have been used. |
193 bool omnibox_used_; | 186 bool omnibox_used_; |
194 bool homepage_used_; | 187 bool homepage_used_; |
195 | 188 |
196 content::NotificationRegistrar registrar_; | 189 content::NotificationRegistrar registrar_; |
197 | 190 |
198 DISALLOW_COPY_AND_ASSIGN(RLZTracker); | 191 DISALLOW_COPY_AND_ASSIGN(RLZTracker); |
199 }; | 192 }; |
200 | 193 |
201 #endif // defined(ENABLE_RLZ) | 194 #endif // defined(ENABLE_RLZ) |
202 | 195 |
203 #endif // CHROME_BROWSER_RLZ_RLZ_H_ | 196 #endif // CHROME_BROWSER_RLZ_RLZ_H_ |
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