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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 of different stats during a Payment Request journey. | |
Mathieu
2017/03/23 21:19:48
nit: of of
Mathieu
2017/03/23 21:19:48
can you mention the usage a little bit? Also, ment
sebsg
2017/03/24 13:35:30
Done.
sebsg
2017/03/24 13:35:30
Done.
| |
15 class JourneyLogger { | |
16 public: | |
17 // The the different sections of a Payment Request. Used to record journey | |
Mathieu
2017/03/23 21:19:48
nit: the the
sebsg
2017/03/24 13:35:30
Done.
| |
18 // stats. | |
19 enum Sections { | |
20 SECTION_CONTACT_INFO = 0, | |
21 SECTION_CREDIT_CARDS, | |
22 SECTION_SHIPPING_ADDRESS, | |
23 SECTION_MAX, | |
24 }; | |
25 | |
26 // For the CanMakePayment histograms. | |
27 enum CanMakePaymentUsage { | |
28 CAN_MAKE_PAYMENT_USED = 0, | |
29 CAN_MAKE_PAYMENT_NOT_USED, | |
30 CAN_MAKE_PAYMENT_USE_MAX, | |
31 }; | |
32 | |
33 // Used to log different parameters' effect on whether the transaction was | |
34 // completed. | |
35 static const int COMPLETION_STATUS_COMPLETED = 0; | |
36 static const int COMPLETION_STATUS_ABORTED = 1; | |
37 static const int COMPLETION_STATUS_MAX = 2; | |
38 | |
39 // Used to mesure the impact of the CanMakePayment return value on whether the | |
40 // Payment Request is shown to the user. | |
41 static const int CMP_SHOW_COULD_NOT_MAKE_PAYMENT_AND_DID_NOT_SHOW = 0; | |
42 static const int CMP_SHOW_DID_SHOW = 1 << 0; | |
43 static const int CMP_SHOW_could_make_payment_ = 1 << 1; | |
Mathieu
2017/03/23 21:19:48
fix
sebsg
2017/03/24 13:35:29
Done.
| |
44 static const int CMP_SHOW_MAX = 4; | |
45 | |
46 JourneyLogger(); | |
47 ~JourneyLogger(){}; | |
Mathieu
2017/03/23 21:19:48
nit: ~JourneyLogger(); and implement in cc
sebsg
2017/03/24 13:35:30
Done.
| |
48 | |
49 // Increments the number of selection adds for the specified section. | |
50 void IncrementSelectionAdds(int section); | |
51 | |
52 // Increments the number of selection changes for the specified section. | |
53 void IncrementSelectionChanges(int section); | |
54 | |
55 // Increments the number of selection edits for the specified section. | |
56 void IncrementSelectionEdits(int section); | |
57 | |
58 // Sets the number of suggestions shown for the specified section. | |
59 void SetNumberOfSuggestionsShown(int section, int number); | |
60 | |
61 // Records the fact that the merchant called CanMakePayment and records it's | |
62 // return value. | |
63 void SetCanMakePaymentValue(bool value); | |
64 | |
65 // Records the fact that the Payment Request was shown to the user. | |
66 void SetShowCalled(); | |
67 | |
68 // Records the histograms for all the sections that were requested by the | |
69 // merchant and for the usage of the CanMakePayment method and its effect on | |
70 // the transaction. This method should be called when the Payment Request has | |
71 // either been completed or aborted. | |
72 void RecordJourneyStatsHistograms(const std::string& submission_type); | |
73 | |
74 private: | |
75 static const int NUMBER_OF_SECTIONS = 3; | |
76 | |
77 // The minimum expected value of CustomCountHistograms is always set to 1. It | |
78 // is still possible to log the value 0 to that type of histogram. | |
79 const int MIN_EXPECTED_SAMPLE = 1; | |
80 const int MAX_EXPECTED_SAMPLE = 49; | |
81 const int NUMBER_BUCKETS = 50; | |
82 | |
83 class SectionStats { | |
Mathieu
2017/03/23 21:19:49
struct?
sebsg
2017/03/24 13:35:29
Done.
| |
84 public: | |
85 SectionStats() | |
86 : number_selection_adds_(0), | |
87 number_selection_changes_(0), | |
88 number_selection_edits_(0), | |
89 number_suggestions_shown_(0), | |
90 is_requested_(false) {} | |
91 | |
92 int number_selection_adds_; | |
93 int number_selection_changes_; | |
94 int number_selection_edits_; | |
95 int number_suggestions_shown_; | |
96 int is_requested_; | |
97 }; | |
98 | |
99 // Records the histograms for all the sections that were requested by the | |
100 // merchant. | |
101 void RecordSectionSpecificStats(const std::string& submission_type); | |
102 | |
103 // Records the metrics related the the CanMakePayment method. | |
104 void RecordCanMakePaymentStats(int completion_status); | |
105 | |
106 // Records CanMakePayment's return value effect on whether the Payment Request | |
107 // was shown or not. | |
108 void RecordCanMakePaymentEffectOnShow(); | |
109 | |
110 // Records the completion status depending on the the usage and return value | |
111 // of the CanMakePaymentMethod. | |
112 void RecordCanMakePaymentEffectOnCompletion(int completion_status); | |
113 | |
114 SectionStats sections_[NUMBER_OF_SECTIONS]; | |
115 bool was_can_make_payments_used_; | |
116 bool could_make_payment_; | |
117 bool was_show_called_; | |
118 | |
119 DISALLOW_COPY_AND_ASSIGN(JourneyLogger); | |
120 }; | |
121 | |
122 } // namespace payments | |
123 | |
124 #endif // COMPONENTS_PAYMENTS_CORE_JOURNEY_LOGGER_H_ | |
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