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// Copyright (c) 2011 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 CHROME_BROWSER_AUTOFILL_FORM_GROUP_H_
#define CHROME_BROWSER_AUTOFILL_FORM_GROUP_H_
#include <string>
#include <vector>
#include "base/string16.h"
#include "base/string_util.h"
#include "chrome/browser/autofill/field_types.h"
class AutofillField;
struct FormFieldData;
// This class is an interface for collections of form fields, grouped by type.
// The information in objects of this class is managed by the
// PersonalDataManager.
class FormGroup {
public:
virtual ~FormGroup() {}
// Returns a globally unique ID for this object. It is an error to call the
// default implementation.
virtual std::string GetGUID() const;
// 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 string16& text,
const std::string& app_locale,
FieldTypeSet* matching_types) const;
// Returns a set of AutofillFieldTypes for which this FormGroup has non-empty
// data. This method is additive on |non_empty_types|.
virtual void GetNonEmptyTypes(const std::string& app_locale,
FieldTypeSet* non_empty_types) const;
// Returns the string associated with |type|, without canonicalizing the
// returned value. For user-visible strings, use GetInfo() instead.
virtual string16 GetRawInfo(AutofillFieldType 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(AutofillFieldType type, const 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 string16 GetInfo(AutofillFieldType 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(AutofillFieldType type,
const string16& value,
const std::string& app_locale);
// Set |field_data|'s value based on |field| and contents of |this| (using
// data variant |variant|). It is an error to call the default implementation.
virtual void FillFormField(const AutofillField& field,
size_t variant,
FormFieldData* field_data) const;
// Fills in select control with data matching |type| from |this|.
// Public for testing purposes.
void FillSelectControl(AutofillFieldType type,
FormFieldData* field_data) const;
// Returns true if |value| is a valid US state name or abbreviation. It is
// case insensitive. Valid for US states only.
// TODO(estade): this is a crappy place for this function.
static bool IsValidState(const string16& value);
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 AutofillFieldTypes for which this FormGroup can store
// data. This method is additive on |supported_types|.
virtual void GetSupportedTypes(FieldTypeSet* supported_types) const = 0;
// Fills in a select control for a country from data in |this|. Returns true
// for success.
virtual bool FillCountrySelectControl(FormFieldData* field_data) const;
};
#endif // CHROME_BROWSER_AUTOFILL_FORM_GROUP_H_
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