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// Copyright 2013 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_FORM_GROUP_H_
#define COMPONENTS_AUTOFILL_CORE_BROWSER_FORM_GROUP_H_
#include <string>
#include "base/strings/string16.h"
#include "components/autofill/core/browser/field_types.h"
namespace autofill {
class AutofillType;
// This class is an interface for collections of form fields, grouped by type.
class FormGroup {
public:
virtual ~FormGroup() {}
// Used to determine the type of a field based on the text that a user enters
// into the field, interpreted in the given |app_locale| if appropriate. The
// field types can then be reported back to the server. This method is
// additive on |matching_types|.
virtual void GetMatchingTypes(const base::string16& text,
const std::string& app_locale,
ServerFieldTypeSet* matching_types) const;
// Returns a set of server field types for which this FormGroup has non-empty
// data. This method is additive on |non_empty_types|.
virtual void GetNonEmptyTypes(const std::string& app_locale,
ServerFieldTypeSet* non_empty_types) const;
// Returns the string associated with |type|, without canonicalizing the
// returned value. For user-visible strings, use GetInfo() instead.
virtual base::string16 GetRawInfo(ServerFieldType type) const = 0;
// Sets this FormGroup object's data for |type| to |value|, without
// canonicalizing the |value|. For data that has not already been
// canonicalized, use SetInfo() instead.
virtual void SetRawInfo(ServerFieldType type,
const base::string16& value) = 0;
// Returns the string that should be auto-filled into a text field given the
// type of that field, localized to the given |app_locale| if appropriate.
virtual base::string16 GetInfo(const AutofillType& type,
const std::string& app_locale) const;
// Used to populate this FormGroup object with data. Canonicalizes the data
// according to the specified |app_locale| prior to storing, if appropriate.
virtual bool SetInfo(const AutofillType& type,
const base::string16& value,
const std::string& app_locale);
protected:
// AutofillProfile needs to call into GetSupportedTypes() for objects of
// non-AutofillProfile type, for which mere inheritance is insufficient.
friend class AutofillProfile;
// Returns a set of server field types for which this FormGroup can store
// data. This method is additive on |supported_types|.
virtual void GetSupportedTypes(ServerFieldTypeSet* supported_types) const = 0;
};
} // namespace autofill
#endif // COMPONENTS_AUTOFILL_CORE_BROWSER_FORM_GROUP_H_
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