OLD | NEW |
(Empty) | |
| 1 // Copyright 2017 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 COMPONENTS_PAYMENTS_CORE_JOURNEY_LOGGER_H_ |
| 6 #define COMPONENTS_PAYMENTS_CORE_JOURNEY_LOGGER_H_ |
| 7 |
| 8 #include <string> |
| 9 |
| 10 #include "base/macros.h" |
| 11 |
| 12 namespace payments { |
| 13 |
| 14 // A class to keep track of different stats during a Payment Request journey. It |
| 15 // collects different metrics during the course of the checkout flow, like the |
| 16 // number of credit cards that the user added or edited. The metrics will be |
| 17 // logged when RecordJourneyStatsHistograms is called with the completion status |
| 18 // of the Payment Request. |
| 19 class JourneyLogger { |
| 20 public: |
| 21 // Note: These constants should always be in sync with their counterpart in |
| 22 // components/payments/content/android/java/src/org/chromium/components/ |
| 23 // payments/JourneyLogger.java. |
| 24 // The different sections of a Payment Request. Used to record journey |
| 25 // stats. |
| 26 enum Section { |
| 27 SECTION_CONTACT_INFO = 0, |
| 28 SECTION_CREDIT_CARDS = 1, |
| 29 SECTION_SHIPPING_ADDRESS = 2, |
| 30 SECTION_MAX, |
| 31 }; |
| 32 |
| 33 // For the CanMakePayment histograms. |
| 34 enum CanMakePaymentUsage { |
| 35 CAN_MAKE_PAYMENT_USED = 0, |
| 36 CAN_MAKE_PAYMENT_NOT_USED = 1, |
| 37 CAN_MAKE_PAYMENT_USE_MAX, |
| 38 }; |
| 39 |
| 40 // Used to log different parameters' effect on whether the transaction was |
| 41 // completed. |
| 42 enum CompletionStatus { |
| 43 COMPLETION_STATUS_COMPLETED = 0, |
| 44 COMPLETION_STATUS_USER_ABORTED = 1, |
| 45 COMPLETION_STATUS_OTHER_ABORTED = 2, |
| 46 COMPLETION_STATUS_MAX, |
| 47 }; |
| 48 |
| 49 // Used to mesure the impact of the CanMakePayment return value on whether the |
| 50 // Payment Request is shown to the user. |
| 51 static const int CMP_SHOW_COULD_NOT_MAKE_PAYMENT_AND_DID_NOT_SHOW = 0; |
| 52 static const int CMP_SHOW_DID_SHOW = 1 << 0; |
| 53 static const int CMP_SHOW_COULD_MAKE_PAYMENT_ = 1 << 1; |
| 54 static const int CMP_SHOW_MAX = 4; |
| 55 |
| 56 JourneyLogger(); |
| 57 ~JourneyLogger(); |
| 58 |
| 59 // Increments the number of selection adds for the specified section. |
| 60 void IncrementSelectionAdds(Section section); |
| 61 |
| 62 // Increments the number of selection changes for the specified section. |
| 63 void IncrementSelectionChanges(Section section); |
| 64 |
| 65 // Increments the number of selection edits for the specified section. |
| 66 void IncrementSelectionEdits(Section section); |
| 67 |
| 68 // Sets the number of suggestions shown for the specified section. |
| 69 void SetNumberOfSuggestionsShown(Section section, int number); |
| 70 |
| 71 // Records the fact that the merchant called CanMakePayment and records it's |
| 72 // return value. |
| 73 void SetCanMakePaymentValue(bool value); |
| 74 |
| 75 // Records the fact that the Payment Request was shown to the user. |
| 76 void SetShowCalled(); |
| 77 |
| 78 // Records the histograms for all the sections that were requested by the |
| 79 // merchant and for the usage of the CanMakePayment method and its effect on |
| 80 // the transaction. This method should be called when the Payment Request has |
| 81 // either been completed or aborted. |
| 82 void RecordJourneyStatsHistograms(CompletionStatus completion_status); |
| 83 |
| 84 private: |
| 85 static const int NUMBER_OF_SECTIONS = 3; |
| 86 |
| 87 // Note: These constants should always be in sync with their counterpart in |
| 88 // components/payments/content/android/java/src/org/chromium/components/ |
| 89 // payments/JourneyLogger.java. |
| 90 // The minimum expected value of CustomCountHistograms is always set to 1. It |
| 91 // is still possible to log the value 0 to that type of histogram. |
| 92 const int MIN_EXPECTED_SAMPLE = 1; |
| 93 const int MAX_EXPECTED_SAMPLE = 49; |
| 94 const int NUMBER_BUCKETS = 50; |
| 95 |
| 96 struct SectionStats { |
| 97 SectionStats() |
| 98 : number_selection_adds_(0), |
| 99 number_selection_changes_(0), |
| 100 number_selection_edits_(0), |
| 101 number_suggestions_shown_(0), |
| 102 is_requested_(false) {} |
| 103 |
| 104 int number_selection_adds_; |
| 105 int number_selection_changes_; |
| 106 int number_selection_edits_; |
| 107 int number_suggestions_shown_; |
| 108 bool is_requested_; |
| 109 }; |
| 110 |
| 111 // Records the histograms for all the sections that were requested by the |
| 112 // merchant. |
| 113 void RecordSectionSpecificStats(CompletionStatus completion_status); |
| 114 |
| 115 // Records the metrics related the the CanMakePayment method. |
| 116 void RecordCanMakePaymentStats(CompletionStatus completion_status); |
| 117 |
| 118 // Records CanMakePayment's return value effect on whether the Payment Request |
| 119 // was shown or not. |
| 120 void RecordCanMakePaymentEffectOnShow(); |
| 121 |
| 122 // Records the completion status depending on the the usage and return value |
| 123 // of the CanMakePaymentMethod. |
| 124 void RecordCanMakePaymentEffectOnCompletion( |
| 125 CompletionStatus completion_status); |
| 126 |
| 127 SectionStats sections_[NUMBER_OF_SECTIONS]; |
| 128 bool was_can_make_payments_used_; |
| 129 bool could_make_payment_; |
| 130 bool was_show_called_; |
| 131 |
| 132 DISALLOW_COPY_AND_ASSIGN(JourneyLogger); |
| 133 }; |
| 134 |
| 135 } // namespace payments |
| 136 |
| 137 #endif // COMPONENTS_PAYMENTS_CORE_JOURNEY_LOGGER_H_ |
OLD | NEW |