chrome/browser/metrics/google_update_metrics_provider_win.h

   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_GOOGLE_UPDATE_METRICS_PROVIDER_WIN_H_
   6 #define CHROME_BROWSER_METRICS_GOOGLE_UPDATE_METRICS_PROVIDER_WIN_H_
   7
   8 #include "base/bind.h"
   9 #include "base/macros.h"
  10 #include "base/memory/weak_ptr.h"
  11 #include "chrome/installer/util/google_update_settings.h"
  12 #include "components/metrics/metrics_provider.h"
  13
  14 // GoogleUpdateMetricsProviderWin is responsible for filling out the
  15 // GoogleUpdate of the UMA SystemProfileProto.
  16 class GoogleUpdateMetricsProviderWin : public metrics::MetricsProvider {
  17  public:
  18   GoogleUpdateMetricsProviderWin();
  19   virtual ~GoogleUpdateMetricsProviderWin();
  20
  21   // Fetches Google Update data asynchronously and calls |done_callback| when
  22   // done.
  23   void GetGoogleUpdateData(const base::Closure& done_callback);
  24
  25   // metrics::MetricsProvider
  26   virtual void ProvideSystemProfileMetrics(
  27       metrics::SystemProfileProto* system_profile_proto) override;
  28
  29  private:
  30   // This is a small helper struct containing the Google Update metrics state.
  31   struct GoogleUpdateMetrics {
  32     GoogleUpdateMetrics();
  33     ~GoogleUpdateMetrics();
  34
  35     // Defines whether this is a user-level or system-level install.
  36     bool is_system_install;
  37
  38     // The time at which Google Update last started an automatic update check.
  39     base::Time last_started_automatic_update_check;
  40
  41     // The time at which Google Update last successfully received update
  42     // information from Google servers.
  43     base::Time last_checked;
  44
  45     // Details about Google Update's attempts to update itself.
  46     GoogleUpdateSettings::ProductData google_update_data;
  47
  48     // Details about Google Update's attempts to update this product.
  49     GoogleUpdateSettings::ProductData product_data;
  50   };
  51
  52   // Retrieve the Google Update data on the blocking pool.
  53   static GoogleUpdateMetrics GetGoogleUpdateDataOnBlockingPool();
  54
  55   // Receives |google_update_metrics| from a blocking pool thread and runs
  56   // |done_callback|.
  57   void ReceiveGoogleUpdateData(
  58       const base::Closure& done_callback,
  59       const GoogleUpdateMetrics& google_update_metrics);
  60
  61   // Google Update metrics that were fetched via GetGoogleUpdateData(). Will be
  62   // filled in only after the successful completion of GetGoogleUpdateData().
  63   GoogleUpdateMetrics google_update_metrics_;
  64
  65   base::WeakPtrFactory<GoogleUpdateMetricsProviderWin> weak_ptr_factory_;
  66
  67   DISALLOW_COPY_AND_ASSIGN(GoogleUpdateMetricsProviderWin);
  68 };
  69
  70 #endif  // CHROME_BROWSER_METRICS_GOOGLE_UPDATE_METRICS_PROVIDER_WIN_H_