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 3 // found in the LICENSE file. 4 5 #ifndef CHROME_BROWSER_METRICS_CHROME_METRICS_SERVICE_CLIENT_H_ 6 #define CHROME_BROWSER_METRICS_CHROME_METRICS_SERVICE_CLIENT_H_ 7 8 #include <string> 9 10 #include "base/basictypes.h" 11 #include "base/callback.h" 12 #include "base/memory/scoped_ptr.h" 13 #include "base/memory/weak_ptr.h" 14 #include "base/threading/thread_checker.h" 15 #include "chrome/browser/memory_details.h" 16 #include "chrome/browser/metrics/network_stats_uploader.h" 17 #include "components/metrics/metrics_service_client.h" 18 #include "components/metrics/profiler/tracking_synchronizer_observer.h" 19 #include "content/public/browser/notification_observer.h" 20 #include "content/public/browser/notification_registrar.h" 21 22 class ChromeOSMetricsProvider; 23 class GoogleUpdateMetricsProviderWin; 24 class PluginMetricsProvider; 25 class PrefRegistrySimple; 26 27 #if !defined(OS_CHROMEOS) && !defined(OS_IOS) 28 class SigninStatusMetricsProvider; 29 #endif 30 31 namespace base { 32 class FilePath; 33 } 34 35 namespace metrics { 36 class MetricsService; 37 class MetricsStateManager; 38 class ProfilerMetricsProvider; 39 } 40 41 // ChromeMetricsServiceClient provides an implementation of MetricsServiceClient 42 // that depends on chrome/. 43 class ChromeMetricsServiceClient 44 : public metrics::MetricsServiceClient, 45 public metrics::TrackingSynchronizerObserver, 46 public content::NotificationObserver { 47 public: 48 virtual ~ChromeMetricsServiceClient(); 49 50 // Factory function. 51 static scoped_ptr<ChromeMetricsServiceClient> Create( 52 metrics::MetricsStateManager* state_manager, 53 PrefService* local_state); 54 55 // Registers local state prefs used by this class. 56 static void RegisterPrefs(PrefRegistrySimple* registry); 57 58 // metrics::MetricsServiceClient: 59 virtual void SetMetricsClientId(const std::string& client_id) OVERRIDE; 60 virtual bool IsOffTheRecordSessionActive() OVERRIDE; 61 virtual std::string GetApplicationLocale() OVERRIDE; 62 virtual bool GetBrand(std::string* brand_code) OVERRIDE; 63 virtual metrics::SystemProfileProto::Channel GetChannel() OVERRIDE; 64 virtual std::string GetVersionString() OVERRIDE; 65 virtual void OnLogUploadComplete() OVERRIDE; 66 virtual void StartGatheringMetrics( 67 const base::Closure& done_callback) OVERRIDE; 68 virtual void CollectFinalMetrics(const base::Closure& done_callback) 69 OVERRIDE; 70 virtual scoped_ptr<metrics::MetricsLogUploader> CreateUploader( 71 const std::string& server_url, 72 const std::string& mime_type, 73 const base::Callback<void(int)>& on_upload_complete) OVERRIDE; 74 virtual base::string16 GetRegistryBackupKey() OVERRIDE; 75 76 metrics::MetricsService* metrics_service() { return metrics_service_.get(); } 77 78 void LogPluginLoadingError(const base::FilePath& plugin_path); 79 80 private: 81 explicit ChromeMetricsServiceClient( 82 metrics::MetricsStateManager* state_manager); 83 84 // Completes the two-phase initialization of ChromeMetricsServiceClient. 85 void Initialize(); 86 87 // Callback that continues the init task by loading plugin information. 88 void OnInitTaskGotHardwareClass(); 89 90 // Called after the Plugin init task has been completed that continues the 91 // init task by launching a task to gather Google Update statistics. 92 void OnInitTaskGotPluginInfo(); 93 94 // Called after GoogleUpdate init task has been completed that continues the 95 // init task by loading profiler data. 96 void OnInitTaskGotGoogleUpdateData(); 97 98 // TrackingSynchronizerObserver: 99 virtual void ReceivedProfilerData( 100 const tracked_objects::ProcessDataSnapshot& process_data, 101 int process_type) OVERRIDE; 102 virtual void FinishedReceivingProfilerData() OVERRIDE; 103 104 // Callbacks for various stages of final log info collection. Do not call 105 // these directly. 106 void OnMemoryDetailCollectionDone(); 107 void OnHistogramSynchronizationDone(); 108 109 // Records metrics about the switches present on the command line. 110 void RecordCommandLineMetrics(); 111 112 // Registers |this| as an observer for notifications which indicate that a 113 // user is performing work. This is useful to allow some features to sleep, 114 // until the machine becomes active, such as precluding UMA uploads unless 115 // there was recent activity. 116 void RegisterForNotifications(); 117 118 // content::NotificationObserver: 119 virtual void Observe(int type, 120 const content::NotificationSource& source, 121 const content::NotificationDetails& details) OVERRIDE; 122 123 #if defined(OS_WIN) 124 // Counts (and removes) the browser crash dump attempt signals left behind by 125 // any previous browser processes which generated a crash dump. 126 void CountBrowserCrashDumpAttempts(); 127 #endif // OS_WIN 128 129 base::ThreadChecker thread_checker_; 130 131 // Weak pointer to the MetricsStateManager. 132 metrics::MetricsStateManager* metrics_state_manager_; 133 134 // The MetricsService that |this| is a client of. 135 scoped_ptr<metrics::MetricsService> metrics_service_; 136 137 content::NotificationRegistrar registrar_; 138 139 // On ChromeOS, holds a weak pointer to the ChromeOSMetricsProvider instance 140 // that has been registered with MetricsService. On other platforms, is NULL. 141 ChromeOSMetricsProvider* chromeos_metrics_provider_; 142 143 NetworkStatsUploader network_stats_uploader_; 144 145 // Saved callback received from CollectFinalMetrics(). 146 base::Closure collect_final_metrics_done_callback_; 147 148 // Indicates that collect final metrics step is running. 149 bool waiting_for_collect_final_metrics_step_; 150 151 // Number of async histogram fetch requests in progress. 152 int num_async_histogram_fetches_in_progress_; 153 154 // The ProfilerMetricsProvider instance that was registered with 155 // MetricsService. Has the same lifetime as |metrics_service_|. 156 metrics::ProfilerMetricsProvider* profiler_metrics_provider_; 157 158 #if defined(ENABLE_PLUGINS) 159 // The PluginMetricsProvider instance that was registered with 160 // MetricsService. Has the same lifetime as |metrics_service_|. 161 PluginMetricsProvider* plugin_metrics_provider_; 162 #endif 163 164 #if defined(OS_WIN) 165 // The GoogleUpdateMetricsProviderWin instance that was registered with 166 // MetricsService. Has the same lifetime as |metrics_service_|. 167 GoogleUpdateMetricsProviderWin* google_update_metrics_provider_; 168 #endif 169 170 // Callback that is called when initial metrics gathering is complete. 171 base::Closure finished_gathering_initial_metrics_callback_; 172 173 // The MemoryGrowthTracker instance that tracks memory usage growth in 174 // MemoryDetails. 175 MemoryGrowthTracker memory_growth_tracker_; 176 177 base::WeakPtrFactory<ChromeMetricsServiceClient> weak_ptr_factory_; 178 179 DISALLOW_COPY_AND_ASSIGN(ChromeMetricsServiceClient); 180 }; 181 182 #endif // CHROME_BROWSER_METRICS_CHROME_METRICS_SERVICE_CLIENT_H_ 183
