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// Copyright 2019 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef COMPONENTS_AUTOFILL_CORE_BROWSER_UI_LABEL_FORMATTER_H_
#define COMPONENTS_AUTOFILL_CORE_BROWSER_UI_LABEL_FORMATTER_H_
#include <memory>
#include <string>
#include <vector>
#include "base/strings/string16.h"
#include "components/autofill/core/browser/data_model/autofill_profile.h"
#include "components/autofill/core/browser/field_types.h"
namespace autofill {
// Handles the creation of Suggestions' disambiguating labels.
class LabelFormatter {
public:
LabelFormatter(const std::vector<AutofillProfile*>& profiles,
const std::string& app_locale,
ServerFieldType focused_field_type,
uint32_t groups,
const std::vector<ServerFieldType>& field_types);
virtual ~LabelFormatter();
// Returns the bitmask indicating which FieldTypeGroups are represented in
// this formatter's associated form.
uint32_t groups() const { return groups_; }
// Returns a collection of labels formed by extracting useful disambiguating
// information from |profiles_|.
std::vector<base::string16> GetLabels() const;
// Creates a form-specific LabelFormatter according to |field_types|. This
// formatter has the ability to build labels with disambiguating information
// from the given |profiles|.
static std::unique_ptr<LabelFormatter> Create(
const std::vector<AutofillProfile*>& profiles,
const std::string& app_locale,
ServerFieldType focused_field_type,
const std::vector<ServerFieldType>& field_types);
protected:
// Returns a label to show the user. The elements of the label and their
// ordering depend on the kind of LabelFormatter, the data in |profile|,
// |focused_group|, and |focused_field_type_|.
virtual base::string16 GetLabelForProfile(
const AutofillProfile& profile,
FieldTypeGroup focused_group) const = 0;
// Returns the FieldTypeGroup with which |focused_field_type_| is associated.
// Billing field types are mapped to their corresponding home address field
// types. For example, if focused_field_type_ is ADDRESS_BILLING_ZIP, then
// the resulting FieldTypeGroup is ADDRESS_HOME instead of ADDRESS_BILLING.
FieldTypeGroup GetFocusedNonBillingGroup() const;
const std::string& app_locale() const { return app_locale_; }
ServerFieldType focused_field_type() const { return focused_field_type_; }
const std::vector<ServerFieldType>& field_types_for_labels() const {
return field_types_for_labels_;
}
private:
// The collection of profiles for which to build labels. Storing this
// collection ensures that the profiles for which this formatter is created
// are the profiles for which the labels are constructed.
//
// It is safe to store a reference here because the LabelFormatter is
// destroyed when the suggestions for which the labels are constructed are
// returned.
const std::vector<AutofillProfile*>& profiles_;
// The locale for which to generate labels. This reflects the language and
// country for which the application is translated, e.g. en-AU for Australian
// English.
std::string app_locale_;
// The type of field on which the user is focused, e.g. NAME_FIRST.
ServerFieldType focused_field_type_;
// The bitmask indicating which FieldTypeGroups are represented in this
// formatter's associated form.
uint32_t groups_;
// The collection of field types that can be used to make labels. It includes
// only types related to names, addresses, email addresses, and phone
// numbers. It excludes types related to countries.
std::vector<ServerFieldType> field_types_for_labels_;
};
} // namespace autofill
#endif // COMPONENTS_AUTOFILL_CORE_BROWSER_UI_LABEL_FORMATTER_H_
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