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1 // Copyright 2014 The Chromium Authors. All rights reserved. | 1 // Copyright 2014 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 // This file defines a service that collects information about the user | 5 // This file defines a service that collects information about the user |
6 // experience in order to help improve future versions of the app. | 6 // experience in order to help improve future versions of the app. |
7 | 7 |
8 #ifndef COMPONENTS_METRICS_METRICS_SERVICE_H_ | 8 #ifndef COMPONENTS_METRICS_METRICS_SERVICE_H_ |
9 #define COMPONENTS_METRICS_METRICS_SERVICE_H_ | 9 #define COMPONENTS_METRICS_METRICS_SERVICE_H_ |
10 | 10 |
| 11 #include <stdint.h> |
| 12 |
11 #include <map> | 13 #include <map> |
12 #include <string> | 14 #include <string> |
13 #include <vector> | 15 #include <vector> |
14 | 16 |
15 #include "base/basictypes.h" | |
16 #include "base/gtest_prod_util.h" | 17 #include "base/gtest_prod_util.h" |
| 18 #include "base/macros.h" |
17 #include "base/memory/scoped_ptr.h" | 19 #include "base/memory/scoped_ptr.h" |
18 #include "base/memory/scoped_vector.h" | 20 #include "base/memory/scoped_vector.h" |
19 #include "base/memory/weak_ptr.h" | 21 #include "base/memory/weak_ptr.h" |
20 #include "base/metrics/field_trial.h" | 22 #include "base/metrics/field_trial.h" |
21 #include "base/metrics/histogram_flattener.h" | 23 #include "base/metrics/histogram_flattener.h" |
22 #include "base/metrics/histogram_snapshot_manager.h" | 24 #include "base/metrics/histogram_snapshot_manager.h" |
23 #include "base/metrics/user_metrics.h" | 25 #include "base/metrics/user_metrics.h" |
24 #include "base/observer_list.h" | 26 #include "base/observer_list.h" |
25 #include "base/time/time.h" | 27 #include "base/time/time.h" |
| 28 #include "build/build_config.h" |
26 #include "components/metrics/clean_exit_beacon.h" | 29 #include "components/metrics/clean_exit_beacon.h" |
27 #include "components/metrics/metrics_log.h" | 30 #include "components/metrics/metrics_log.h" |
28 #include "components/metrics/metrics_log_manager.h" | 31 #include "components/metrics/metrics_log_manager.h" |
29 #include "components/metrics/metrics_provider.h" | 32 #include "components/metrics/metrics_provider.h" |
30 #include "components/metrics/net/network_metrics_provider.h" | 33 #include "components/metrics/net/network_metrics_provider.h" |
31 #include "components/variations/synthetic_trials.h" | 34 #include "components/variations/synthetic_trials.h" |
32 | 35 |
33 class PrefService; | 36 class PrefService; |
34 class PrefRegistrySimple; | 37 class PrefRegistrySimple; |
35 | 38 |
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104 // asyncronous so this can be called immediately after Start() to prevent | 107 // asyncronous so this can be called immediately after Start() to prevent |
105 // any uploading. | 108 // any uploading. |
106 void EnableReporting(); | 109 void EnableReporting(); |
107 void DisableReporting(); | 110 void DisableReporting(); |
108 | 111 |
109 // Returns the client ID for this client, or the empty string if metrics | 112 // Returns the client ID for this client, or the empty string if metrics |
110 // recording is not currently running. | 113 // recording is not currently running. |
111 std::string GetClientId(); | 114 std::string GetClientId(); |
112 | 115 |
113 // Returns the install date of the application, in seconds since the epoch. | 116 // Returns the install date of the application, in seconds since the epoch. |
114 int64 GetInstallDate(); | 117 int64_t GetInstallDate(); |
115 | 118 |
116 // Returns the date at which the current metrics client ID was created as | 119 // Returns the date at which the current metrics client ID was created as |
117 // an int64 containing seconds since the epoch. | 120 // an int64_t containing seconds since the epoch. |
118 int64 GetMetricsReportingEnabledDate(); | 121 int64_t GetMetricsReportingEnabledDate(); |
119 | 122 |
120 // Returns true if the last session exited cleanly. | 123 // Returns true if the last session exited cleanly. |
121 bool WasLastShutdownClean() const; | 124 bool WasLastShutdownClean() const; |
122 | 125 |
123 // Returns the preferred entropy provider used to seed persistent activities | 126 // Returns the preferred entropy provider used to seed persistent activities |
124 // based on whether or not metrics reporting will be permitted on this client. | 127 // based on whether or not metrics reporting will be permitted on this client. |
125 // | 128 // |
126 // If metrics reporting is enabled, this method returns an entropy provider | 129 // If metrics reporting is enabled, this method returns an entropy provider |
127 // that has a high source of entropy, partially based on the client ID. | 130 // that has a high source of entropy, partially based on the client ID. |
128 // Otherwise, it returns an entropy provider that is based on a low entropy | 131 // Otherwise, it returns an entropy provider that is based on a low entropy |
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481 // Weak pointers factory used for saving state. All weak pointers managed by | 484 // Weak pointers factory used for saving state. All weak pointers managed by |
482 // this factory are invalidated in ScheduleNextStateSave. | 485 // this factory are invalidated in ScheduleNextStateSave. |
483 base::WeakPtrFactory<MetricsService> state_saver_factory_; | 486 base::WeakPtrFactory<MetricsService> state_saver_factory_; |
484 | 487 |
485 DISALLOW_COPY_AND_ASSIGN(MetricsService); | 488 DISALLOW_COPY_AND_ASSIGN(MetricsService); |
486 }; | 489 }; |
487 | 490 |
488 } // namespace metrics | 491 } // namespace metrics |
489 | 492 |
490 #endif // COMPONENTS_METRICS_METRICS_SERVICE_H_ | 493 #endif // COMPONENTS_METRICS_METRICS_SERVICE_H_ |
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