components/autofill/core/browser/credit_card_field.h

   1 // Copyright 2013 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_AUTOFILL_CORE_BROWSER_CREDIT_CARD_FIELD_H_
   6 #define COMPONENTS_AUTOFILL_CORE_BROWSER_CREDIT_CARD_FIELD_H_
   7
   8 #include <vector>
   9
  10 #include "base/basictypes.h"
  11 #include "base/compiler_specific.h"
  12 #include "base/gtest_prod_util.h"
  13 #include "base/memory/scoped_ptr.h"
  14 #include "components/autofill/core/browser/autofill_type.h"
  15 #include "components/autofill/core/browser/form_field.h"
  16
  17 namespace autofill {
  18
  19 class AutofillField;
  20 class AutofillScanner;
  21
  22 class CreditCardField : public FormField {
  23  public:
  24   ~CreditCardField() override;
  25   static scoped_ptr<FormField> Parse(AutofillScanner* scanner);
  26
  27  protected:
  28   // FormField:
  29   bool ClassifyField(ServerFieldTypeMap* map) const override;
  30
  31  private:
  32   friend class CreditCardFieldTest;
  33
  34   // Returns true if |scanner| points to a field that looks like a month
  35   // <select>.
  36   static bool LikelyCardMonthSelectField(AutofillScanner* scanner);
  37
  38   // Returns true if |scanner| points to a field that looks like a year
  39   // <select> for a credit card. i.e. it contains the current year and
  40   // the next few years.
  41   static bool LikelyCardYearSelectField(AutofillScanner* scanner);
  42
  43   // Returns true if |scanner| points to a <select> field that contains credit
  44   // card type options.
  45   static bool LikelyCardTypeSelectField(AutofillScanner* scanner);
  46
  47   // Returns true if |scanner| points to a field that is for a gift card number.
  48   // |scanner| advances if this returns true.
  49   // Prepaid debit cards do not count as gift cards, since they can be used like
  50   // a credit card.
  51   static bool IsGiftCardField(AutofillScanner* scanner);
  52
  53   CreditCardField();
  54
  55   // Parses the expiration month/year/date fields. Returns true if it finds
  56   // something new.
  57   bool ParseExpirationDate(AutofillScanner* scanner);
  58
  59   // For the combined expiration field we return |exp_year_type_|; otherwise if
  60   // |expiration_year_| is having year with |max_length| of 2-digits we return
  61   // |CREDIT_CARD_EXP_2_DIGIT_YEAR|; otherwise |CREDIT_CARD_EXP_4_DIGIT_YEAR|.
  62   ServerFieldType GetExpirationYearType() const;
  63
  64   AutofillField* cardholder_;  // Optional.
  65
  66   // Occasionally pages have separate fields for the cardholder's first and
  67   // last names; for such pages |cardholder_| holds the first name field and
  68   // we store the last name field here.
  69   // (We could store an embedded |NameField| object here, but we don't do so
  70   // because the text patterns for matching a cardholder name are different
  71   // than for ordinary names, and because cardholder names never have titles,
  72   // middle names or suffixes.)
  73   AutofillField* cardholder_last_;
  74
  75   AutofillField* type_;                  // Optional.
  76   std::vector<AutofillField*> numbers_;  // Required.
  77
  78   // The 3-digit card verification number; we don't currently fill this.
  79   AutofillField* verification_;
  80
  81   // Either |expiration_date_| or both |expiration_month_| and
  82   // |expiration_year_| are required.
  83   AutofillField* expiration_month_;
  84   AutofillField* expiration_year_;
  85   AutofillField* expiration_date_;
  86
  87   // For combined expiration field having year as 2-digits we store here
  88   // |CREDIT_CARD_EXP_DATE_2_DIGIT_YEAR|; otherwise we store
  89   // |CREDIT_CARD_EXP_DATE_4_DIGIT_YEAR|.
  90   ServerFieldType exp_year_type_;
  91
  92   DISALLOW_COPY_AND_ASSIGN(CreditCardField);
  93 };
  94
  95 }  // namespace autofill
  96
  97 #endif  // COMPONENTS_AUTOFILL_CORE_BROWSER_CREDIT_CARD_FIELD_H_