| // Copyright 2015 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. |
| |
| #include "components/autofill/core/common/autofill_util.h" |
| |
| #include <algorithm> |
| |
| #include "base/command_line.h" |
| #include "base/feature_list.h" |
| #include "base/i18n/case_conversion.h" |
| #include "base/metrics/field_trial.h" |
| #include "base/metrics/field_trial_params.h" |
| #include "base/strings/string_number_conversions.h" |
| #include "base/strings/string_piece.h" |
| #include "base/strings/string_split.h" |
| #include "base/strings/string_util.h" |
| #include "base/strings/utf_string_conversions.h" |
| #include "build/build_config.h" |
| #include "components/autofill/core/common/autofill_features.h" |
| #include "components/autofill/core/common/autofill_switches.h" |
| |
| namespace autofill { |
| |
| using features::kAutofillKeyboardAccessory; |
| |
| const char kAutofillKeyboardAccessoryAnimationDurationKey[] = |
| "animation_duration_millis"; |
| const char kAutofillKeyboardAccessoryLimitLabelWidthKey[] = |
| "should_limit_label_width"; |
| const char kAutofillKeyboardAccessoryHintKey[] = |
| "is_hint_shown_before_suggestion"; |
| |
| namespace { |
| |
| const char kSplitCharacters[] = " .,-_@"; |
| |
| template <typename Char> |
| struct Compare : base::CaseInsensitiveCompareASCII<Char> { |
| explicit Compare(bool case_sensitive) : case_sensitive_(case_sensitive) {} |
| bool operator()(Char x, Char y) const { |
| return case_sensitive_ ? (x == y) |
| : base::CaseInsensitiveCompareASCII<Char>:: |
| operator()(x, y); |
| } |
| |
| private: |
| bool case_sensitive_; |
| }; |
| |
| } // namespace |
| |
| bool IsFeatureSubstringMatchEnabled() { |
| return base::CommandLine::ForCurrentProcess()->HasSwitch( |
| switches::kEnableSuggestionsWithSubstringMatch); |
| } |
| |
| bool IsShowAutofillSignaturesEnabled() { |
| return base::CommandLine::ForCurrentProcess()->HasSwitch( |
| switches::kShowAutofillSignatures); |
| } |
| |
| bool IsKeyboardAccessoryEnabled() { |
| #if defined(OS_ANDROID) |
| return base::FeatureList::IsEnabled(kAutofillKeyboardAccessory); |
| #else // !defined(OS_ANDROID) |
| return false; |
| #endif |
| } |
| |
| unsigned int GetKeyboardAccessoryAnimationDuration() { |
| #if defined(OS_ANDROID) |
| return base::GetFieldTrialParamByFeatureAsInt( |
| kAutofillKeyboardAccessory, |
| kAutofillKeyboardAccessoryAnimationDurationKey, 0); |
| #else // !defined(OS_ANDROID) |
| NOTREACHED(); |
| return 0; |
| #endif |
| } |
| |
| bool ShouldLimitKeyboardAccessorySuggestionLabelWidth() { |
| #if defined(OS_ANDROID) |
| return base::GetFieldTrialParamByFeatureAsBool( |
| kAutofillKeyboardAccessory, kAutofillKeyboardAccessoryLimitLabelWidthKey, |
| false); |
| #else // !defined(OS_ANDROID) |
| NOTREACHED(); |
| return false; |
| #endif |
| } |
| |
| bool IsHintEnabledInKeyboardAccessory() { |
| #if defined(OS_ANDROID) |
| return base::GetFieldTrialParamByFeatureAsBool( |
| kAutofillKeyboardAccessory, kAutofillKeyboardAccessoryHintKey, false); |
| #else // !defined(OS_ANDROID) |
| NOTREACHED(); |
| return false; |
| #endif |
| } |
| |
| bool FieldIsSuggestionSubstringStartingOnTokenBoundary( |
| const base::string16& suggestion, |
| const base::string16& field_contents, |
| bool case_sensitive) { |
| if (!IsFeatureSubstringMatchEnabled()) { |
| return base::StartsWith(suggestion, field_contents, |
| case_sensitive |
| ? base::CompareCase::SENSITIVE |
| : base::CompareCase::INSENSITIVE_ASCII); |
| } |
| |
| return suggestion.length() >= field_contents.length() && |
| GetTextSelectionStart(suggestion, field_contents, case_sensitive) != |
| base::string16::npos; |
| } |
| |
| bool IsPrefixOfEmailEndingWithAtSign(const base::string16& full_string, |
| const base::string16& prefix) { |
| return base::StartsWith(full_string, prefix + base::UTF8ToUTF16("@"), |
| base::CompareCase::SENSITIVE); |
| } |
| |
| size_t GetTextSelectionStart(const base::string16& suggestion, |
| const base::string16& field_contents, |
| bool case_sensitive) { |
| const base::string16 kSplitChars = base::ASCIIToUTF16(kSplitCharacters); |
| |
| // Loop until we find either the |field_contents| is a prefix of |suggestion| |
| // or character right before the match is one of the splitting characters. |
| for (base::string16::const_iterator it = suggestion.begin(); |
| (it = std::search( |
| it, suggestion.end(), field_contents.begin(), field_contents.end(), |
| Compare<base::string16::value_type>(case_sensitive))) != |
| suggestion.end(); |
| ++it) { |
| if (it == suggestion.begin() || |
| kSplitChars.find(*(it - 1)) != std::string::npos) { |
| // Returns the character position right after the |field_contents| within |
| // |suggestion| text as a caret position for text selection. |
| return it - suggestion.begin() + field_contents.size(); |
| } |
| } |
| |
| // Unable to find the |field_contents| in |suggestion| text. |
| return base::string16::npos; |
| } |
| |
| bool IsDesktopPlatform() { |
| #if defined(OS_ANDROID) || defined(OS_IOS) |
| return false; |
| #else |
| return true; |
| #endif |
| } |
| |
| bool ShouldSkipField(const FormFieldData& field) { |
| return IsCheckable(field.check_status); |
| } |
| |
| bool IsCheckable(const FormFieldData::CheckStatus& check_status) { |
| return check_status != FormFieldData::CheckStatus::NOT_CHECKABLE; |
| } |
| |
| bool IsChecked(const FormFieldData::CheckStatus& check_status) { |
| return check_status == FormFieldData::CheckStatus::CHECKED; |
| } |
| |
| void SetCheckStatus(FormFieldData* form_field_data, |
| bool isCheckable, |
| bool isChecked) { |
| if (isChecked) { |
| form_field_data->check_status = FormFieldData::CheckStatus::CHECKED; |
| } else { |
| if (isCheckable) { |
| form_field_data->check_status = |
| FormFieldData::CheckStatus::CHECKABLE_BUT_UNCHECKED; |
| } else { |
| form_field_data->check_status = FormFieldData::CheckStatus::NOT_CHECKABLE; |
| } |
| } |
| } |
| |
| std::vector<std::string> LowercaseAndTokenizeAttributeString( |
| const std::string& attribute) { |
| return base::SplitString(base::ToLowerASCII(attribute), |
| base::kWhitespaceASCII, base::TRIM_WHITESPACE, |
| base::SPLIT_WANT_NONEMPTY); |
| } |
| |
| bool SanitizedFieldIsEmpty(const base::string16& value) { |
| // Some sites enter values such as ____-____-____-____ or (___)-___-____ in |
| // their fields. Check if the field value is empty after the removal of the |
| // formatting characters. |
| static base::string16 formatting = |
| (base::ASCIIToUTF16("-_()/") + |
| base::char16(base::i18n::kRightToLeftMark) + |
| base::char16(base::i18n::kLeftToRightMark)) |
| .append(base::kWhitespaceUTF16); |
| |
| return (value.find_first_not_of(formatting) == base::StringPiece::npos); |
| } |
| |
| bool ShouldAutoselectFirstSuggestionOnArrowDown() { |
| #if defined(OS_WIN) || defined(OS_MACOSX) || defined(OS_LINUX) |
| return true; |
| #else |
| return false; |
| #endif |
| } |
| |
| } // namespace autofill |