components/autofill/core/browser/webdata/autofill_change.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_WEBDATA_AUTOFILL_CHANGE_H__
   6 #define COMPONENTS_AUTOFILL_CORE_BROWSER_WEBDATA_AUTOFILL_CHANGE_H__
   7
   8 #include <string>
   9 #include <vector>
  10
  11 #include "base/logging.h"
  12 #include "components/autofill/core/browser/webdata/autofill_entry.h"
  13
  14 namespace autofill {
  15
  16 class AutofillProfile;
  17 class CreditCard;
  18
  19 // For classic Autofill form fields, the KeyType is AutofillKey.
  20 // Autofill++ types such as AutofillProfile and CreditCard simply use a string.
  21 template <typename KeyType>
  22 class GenericAutofillChange {
  23  public:
  24   enum Type {
  25     ADD,
  26     UPDATE,
  27     REMOVE
  28   };
  29
  30   virtual ~GenericAutofillChange() {}
  31
  32   Type type() const { return type_; }
  33   const KeyType& key() const { return key_; }
  34
  35  protected:
  36   GenericAutofillChange(Type type, const KeyType& key)
  37       : type_(type),
  38         key_(key) {}
  39  private:
  40   Type type_;
  41   KeyType key_;
  42 };
  43
  44 class AutofillChange : public GenericAutofillChange<AutofillKey> {
  45  public:
  46   AutofillChange(Type type, const AutofillKey& key);
  47   ~AutofillChange() override;
  48   bool operator==(const AutofillChange& change) const {
  49     return type() == change.type() && key() == change.key();
  50   }
  51 };
  52
  53 typedef std::vector<AutofillChange> AutofillChangeList;
  54
  55 // Change notification details for Autofill profile or credit card changes.
  56 template <typename DataType>
  57 class AutofillDataModelChange : public GenericAutofillChange<std::string> {
  58  public:
  59   // The |type| input specifies the change type.  The |key| input is the key,
  60   // which is expected to be the GUID identifying the |data_model|.
  61   // When |type| == ADD, |data_model| should be non-NULL.
  62   // When |type| == UPDATE, |data_model| should be non-NULL.
  63   // When |type| == REMOVE, |data_model| should be NULL.
  64   AutofillDataModelChange(Type type,
  65                           const std::string& key,
  66                           const DataType* data_model)
  67       : GenericAutofillChange<std::string>(type, key), data_model_(data_model) {
  68     DCHECK(type == REMOVE ? !data_model
  69                           : data_model && data_model->guid() == key);
  70   }
  71
  72   ~AutofillDataModelChange() override {}
  73
  74   const DataType* data_model() const { return data_model_; }
  75
  76   bool operator==(const AutofillDataModelChange<DataType>& change) const {
  77     return type() == change.type() && key() == change.key() &&
  78            (type() == REMOVE || *data_model() == *change.data_model());
  79   }
  80
  81  private:
  82   // Weak reference, can be NULL.
  83   const DataType* data_model_;
  84 };
  85
  86 typedef AutofillDataModelChange<AutofillProfile> AutofillProfileChange;
  87 typedef AutofillDataModelChange<CreditCard> CreditCardChange;
  88
  89 }  // namespace autofill
  90
  91 #endif  // COMPONENTS_AUTOFILL_CORE_BROWSER_WEBDATA_AUTOFILL_CHANGE_H__