1 // Copyright (c) 2011 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 #include "chrome/browser/autofill/autofill_field.h" 6 7 #include "base/logging.h" 8 #include "base/sha1.h" 9 #include "base/string_number_conversions.h" 10 #include "base/utf_string_conversions.h" 11 12 namespace { 13 14 static std::string Hash32Bit(const std::string& str) { 15 std::string hash_bin = base::SHA1HashString(str); 16 DCHECK_EQ(20U, hash_bin.length()); 17 18 uint32 hash32 = ((hash_bin[0] & 0xFF) << 24) | 19 ((hash_bin[1] & 0xFF) << 16) | 20 ((hash_bin[2] & 0xFF) << 8) | 21 (hash_bin[3] & 0xFF); 22 23 return base::UintToString(hash32); 24 } 25 26 } // namespace 27 28 AutofillField::AutofillField() 29 : server_type_(NO_SERVER_DATA), 30 heuristic_type_(UNKNOWN_TYPE) { 31 } 32 33 AutofillField::AutofillField(const webkit_glue::FormField& field, 34 const string16& unique_name) 35 : webkit_glue::FormField(field), 36 unique_name_(unique_name), 37 server_type_(NO_SERVER_DATA), 38 heuristic_type_(UNKNOWN_TYPE) { 39 } 40 41 AutofillField::~AutofillField() {} 42 43 void AutofillField::set_heuristic_type(AutofillFieldType type) { 44 if (type >= 0 && type < MAX_VALID_FIELD_TYPE) { 45 heuristic_type_ = type; 46 } else { 47 NOTREACHED(); 48 // This case should not be reachable; but since this has potential 49 // implications on data uploaded to the server, better safe than sorry. 50 heuristic_type_ = UNKNOWN_TYPE; 51 } 52 } 53 54 AutofillFieldType AutofillField::type() const { 55 if (server_type_ != NO_SERVER_DATA) 56 return server_type_; 57 58 return heuristic_type_; 59 } 60 61 bool AutofillField::IsEmpty() const { 62 return value.empty(); 63 } 64 65 std::string AutofillField::FieldSignature() const { 66 std::string field_name = UTF16ToUTF8(name); 67 std::string type = UTF16ToUTF8(form_control_type); 68 std::string field_string = field_name + "&" + type; 69 return Hash32Bit(field_string); 70 } 71 72 bool AutofillField::IsFieldFillable() const { 73 return type() != UNKNOWN_TYPE; 74 } 75
