| // Copyright 2014 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/omnibox/browser/search_suggestion_parser.h" |
| |
| #include <stddef.h> |
| |
| #include <algorithm> |
| #include <memory> |
| |
| #include "base/check.h" |
| #include "base/i18n/icu_string_conversions.h" |
| #include "base/json/json_reader.h" |
| #include "base/json/json_string_value_serializer.h" |
| #include "base/json/json_writer.h" |
| #include "base/metrics/histogram_functions.h" |
| #include "base/metrics/histogram_macros.h" |
| #include "base/no_destructor.h" |
| #include "base/strings/string_number_conversions.h" |
| #include "base/strings/string_split.h" |
| #include "base/strings/string_util.h" |
| #include "base/strings/utf_string_conversions.h" |
| #include "base/values.h" |
| #include "components/omnibox/browser/autocomplete_i18n.h" |
| #include "components/omnibox/browser/autocomplete_input.h" |
| #include "components/omnibox/browser/autocomplete_match_classification.h" |
| #include "components/omnibox/browser/autocomplete_provider.h" |
| #include "components/omnibox/browser/omnibox_field_trial.h" |
| #include "components/omnibox/browser/url_prefix.h" |
| #include "components/url_formatter/url_fixer.h" |
| #include "components/url_formatter/url_formatter.h" |
| #include "net/http/http_response_headers.h" |
| #include "services/network/public/cpp/simple_url_loader.h" |
| #include "services/network/public/mojom/url_response_head.mojom.h" |
| #include "ui/base/device_form_factor.h" |
| #include "url/url_constants.h" |
| |
| namespace { |
| |
| AutocompleteMatchType::Type GetAutocompleteMatchType(const std::string& type) { |
| if (type == "CALCULATOR") |
| return AutocompleteMatchType::CALCULATOR; |
| if (type == "ENTITY") |
| return AutocompleteMatchType::SEARCH_SUGGEST_ENTITY; |
| if (type == "TAIL") |
| return AutocompleteMatchType::SEARCH_SUGGEST_TAIL; |
| if (type == "PERSONALIZED_QUERY") |
| return AutocompleteMatchType::SEARCH_SUGGEST_PERSONALIZED; |
| if (type == "PROFILE") |
| return AutocompleteMatchType::SEARCH_SUGGEST_PROFILE; |
| if (type == "NAVIGATION") |
| return AutocompleteMatchType::NAVSUGGEST; |
| if (type == "PERSONALIZED_NAVIGATION") |
| return AutocompleteMatchType::NAVSUGGEST_PERSONALIZED; |
| return AutocompleteMatchType::SEARCH_SUGGEST; |
| } |
| |
| // Convert the supplied Json::Value representation of list-of-lists-of-integers |
| // to a vector-of-vecrors-of-integers, containing (ideally) one vector of |
| // integers per match. |
| // The logic here does not validate if the length of top level vector is same as |
| // number of returned matches and will supply empty vector for any item that is |
| // either invalid or missing. |
| // The function will always return a valid and properly sized vector of vectors, |
| // equal in length to |expected_size|, even if the input |subtypes_value| is not |
| // valid. |
| std::vector<std::vector<int>> ParseMatchSubtypes( |
| const base::Value* subtypes_value, |
| size_t expected_size) { |
| std::vector<std::vector<int>> result(expected_size); |
| |
| if (subtypes_value == nullptr || !subtypes_value->is_list()) |
| return result; |
| const auto& subtypes_list = subtypes_value->GetList(); |
| |
| if (!subtypes_list.empty() && subtypes_list.size() != expected_size) { |
| LOG(WARNING) << "The length of reported subtypes (" << subtypes_list.size() |
| << ") does not match the expected length (" << expected_size |
| << ')'; |
| } |
| |
| const auto num_items = std::min(expected_size, subtypes_list.size()); |
| for (auto index = 0u; index < num_items; index++) { |
| const auto& subtypes_item = subtypes_list[index]; |
| // Permissive: ignore subtypes that are not in a form of a list. |
| if (!subtypes_item.is_list()) |
| continue; |
| |
| const auto& subtype_list = subtypes_item.GetList(); |
| auto& result_subtypes = result[index]; |
| result_subtypes.reserve(subtype_list.size()); |
| |
| for (const auto& subtype : subtype_list) { |
| // Permissive: Skip over any item that is not an integer. |
| if (!subtype.is_int()) |
| continue; |
| result_subtypes.emplace_back(subtype.GetInt()); |
| } |
| } |
| |
| return result; |
| } |
| |
| } // namespace |
| |
| // Value chosen based on SuggestionGroupIds::INVALID in suggestion_config.proto. |
| const int SearchSuggestionParser::kNoSuggestionGroupId = -1; |
| |
| // SearchSuggestionParser::Result ---------------------------------------------- |
| |
| SearchSuggestionParser::Result::Result(bool from_keyword, |
| int relevance, |
| bool relevance_from_server, |
| AutocompleteMatchType::Type type, |
| std::vector<int> subtypes, |
| const std::string& deletion_url) |
| : from_keyword_(from_keyword), |
| type_(type), |
| subtypes_(std::move(subtypes)), |
| relevance_(relevance), |
| relevance_from_server_(relevance_from_server), |
| received_after_last_keystroke_(true), |
| deletion_url_(deletion_url) {} |
| |
| SearchSuggestionParser::Result::Result(const Result& other) = default; |
| |
| SearchSuggestionParser::Result::~Result() {} |
| |
| // SearchSuggestionParser::SuggestResult --------------------------------------- |
| |
| SearchSuggestionParser::SuggestResult::SuggestResult( |
| const std::u16string& suggestion, |
| AutocompleteMatchType::Type type, |
| std::vector<int> subtypes, |
| bool from_keyword, |
| int relevance, |
| bool relevance_from_server, |
| const std::u16string& input_text) |
| : SuggestResult(suggestion, |
| type, |
| std::move(subtypes), |
| suggestion, |
| /*match_contents_prefix=*/std::u16string(), |
| /*annotation=*/std::u16string(), |
| /*suggest_query_params=*/"", |
| /*deletion_url=*/"", |
| /*image_dominant_color=*/"", |
| /*image_url=*/"", |
| from_keyword, |
| relevance, |
| relevance_from_server, |
| /*should_prefetch=*/false, |
| input_text) {} |
| |
| SearchSuggestionParser::SuggestResult::SuggestResult( |
| const std::u16string& suggestion, |
| AutocompleteMatchType::Type type, |
| std::vector<int> subtypes, |
| const std::u16string& match_contents, |
| const std::u16string& match_contents_prefix, |
| const std::u16string& annotation, |
| const std::string& additional_query_params, |
| const std::string& deletion_url, |
| const std::string& image_dominant_color, |
| const std::string& image_url, |
| bool from_keyword, |
| int relevance, |
| bool relevance_from_server, |
| bool should_prefetch, |
| const std::u16string& input_text) |
| : Result(from_keyword, |
| relevance, |
| relevance_from_server, |
| type, |
| std::move(subtypes), |
| deletion_url), |
| suggestion_(suggestion), |
| match_contents_prefix_(match_contents_prefix), |
| annotation_(annotation), |
| additional_query_params_(additional_query_params), |
| image_dominant_color_(image_dominant_color), |
| image_url_(GURL(image_url)), |
| should_prefetch_(should_prefetch) { |
| match_contents_ = match_contents; |
| DCHECK(!match_contents_.empty()); |
| ClassifyMatchContents(true, input_text); |
| } |
| |
| SearchSuggestionParser::SuggestResult::SuggestResult( |
| const SuggestResult& result) = default; |
| |
| SearchSuggestionParser::SuggestResult::~SuggestResult() {} |
| |
| SearchSuggestionParser::SuggestResult& SearchSuggestionParser::SuggestResult:: |
| operator=(const SuggestResult& rhs) = default; |
| |
| void SearchSuggestionParser::SuggestResult::ClassifyMatchContents( |
| const bool allow_bolding_all, |
| const std::u16string& input_text) { |
| DCHECK(!match_contents_.empty()); |
| |
| // In case of zero-suggest results, do not highlight matches. |
| if (input_text.empty()) { |
| match_contents_class_ = { |
| ACMatchClassification(0, ACMatchClassification::NONE)}; |
| return; |
| } |
| |
| std::u16string lookup_text = input_text; |
| if (type_ == AutocompleteMatchType::SEARCH_SUGGEST_TAIL) { |
| const size_t contents_index = |
| suggestion_.length() - match_contents_.length(); |
| // Ensure the query starts with the input text, and ends with the match |
| // contents, and the input text has an overlap with contents. |
| if (base::StartsWith(suggestion_, input_text, |
| base::CompareCase::SENSITIVE) && |
| base::EndsWith(suggestion_, match_contents_, |
| base::CompareCase::SENSITIVE) && |
| (input_text.length() > contents_index)) { |
| lookup_text = input_text.substr(contents_index); |
| } |
| } |
| // Do a case-insensitive search for |lookup_text|. |
| std::u16string::const_iterator lookup_position = std::search( |
| match_contents_.begin(), match_contents_.end(), lookup_text.begin(), |
| lookup_text.end(), SimpleCaseInsensitiveCompareUCS2()); |
| if (!allow_bolding_all && (lookup_position == match_contents_.end())) { |
| // Bail if the code below to update the bolding would bold the whole |
| // string. Note that the string may already be entirely bolded; if |
| // so, leave it as is. |
| return; |
| } |
| |
| // Note we discard our existing match_contents_class_ with this call. |
| match_contents_class_ = AutocompleteProvider::ClassifyAllMatchesInString( |
| input_text, match_contents_, true); |
| } |
| |
| void SearchSuggestionParser::SuggestResult::SetAnswer( |
| const SuggestionAnswer& answer) { |
| answer_ = answer; |
| } |
| |
| int SearchSuggestionParser::SuggestResult::CalculateRelevance( |
| const AutocompleteInput& input, |
| bool keyword_provider_requested) const { |
| if (!from_keyword_ && keyword_provider_requested) |
| return 100; |
| return ((input.type() == metrics::OmniboxInputType::URL) ? 300 : 600); |
| } |
| |
| // SearchSuggestionParser::NavigationResult ------------------------------------ |
| |
| SearchSuggestionParser::NavigationResult::NavigationResult( |
| const AutocompleteSchemeClassifier& scheme_classifier, |
| const GURL& url, |
| AutocompleteMatchType::Type match_type, |
| std::vector<int> subtypes, |
| const std::u16string& description, |
| const std::string& deletion_url, |
| bool from_keyword, |
| int relevance, |
| bool relevance_from_server, |
| const std::u16string& input_text) |
| : Result(from_keyword, |
| relevance, |
| relevance_from_server, |
| match_type, |
| std::move(subtypes), |
| deletion_url), |
| url_(url), |
| formatted_url_(AutocompleteInput::FormattedStringWithEquivalentMeaning( |
| url, |
| url_formatter::FormatUrl(url, |
| url_formatter::kFormatUrlOmitDefaults & |
| ~url_formatter::kFormatUrlOmitHTTP, |
| net::UnescapeRule::SPACES, |
| nullptr, |
| nullptr, |
| nullptr), |
| scheme_classifier, |
| nullptr)), |
| description_(description) { |
| DCHECK(url_.is_valid()); |
| CalculateAndClassifyMatchContents(true, input_text); |
| ClassifyDescription(input_text); |
| } |
| |
| SearchSuggestionParser::NavigationResult::NavigationResult( |
| const NavigationResult& other) = default; |
| |
| SearchSuggestionParser::NavigationResult::~NavigationResult() {} |
| |
| void SearchSuggestionParser::NavigationResult:: |
| CalculateAndClassifyMatchContents(const bool allow_bolding_nothing, |
| const std::u16string& input_text) { |
| // Start with the trivial nothing-bolded classification. |
| DCHECK(url_.is_valid()); |
| |
| // In case of zero-suggest results, do not highlight matches. |
| if (input_text.empty()) { |
| // TODO(tommycli): Maybe this should actually return |
| // ACMatchClassification::URL. I'm not changing this now because this CL |
| // is meant to fix a regression only, but we should consider this for |
| // consistency with other |input_text| that matches nothing. |
| match_contents_class_ = { |
| ACMatchClassification(0, ACMatchClassification::NONE)}; |
| return; |
| } |
| |
| // Set contents to the formatted URL while ensuring the scheme and subdomain |
| // are kept if the user text seems to include them. E.g., for the user text |
| // 'http google.com', the contents should not trim 'http'. |
| bool match_in_scheme = false; |
| bool match_in_subdomain = false; |
| TermMatches term_matches_in_url = FindTermMatches(input_text, formatted_url_); |
| // Convert TermMatches (offset, length) to MatchPosition (start, end). |
| std::vector<AutocompleteMatch::MatchPosition> match_positions; |
| for (auto match : term_matches_in_url) |
| match_positions.emplace_back(match.offset, match.offset + match.length); |
| AutocompleteMatch::GetMatchComponents(GURL(formatted_url_), match_positions, |
| &match_in_scheme, &match_in_subdomain); |
| auto format_types = AutocompleteMatch::GetFormatTypes( |
| GURL(input_text).has_scheme(), match_in_subdomain); |
| |
| // Find matches in the potentially new match_contents |
| std::u16string match_contents = url_formatter::FormatUrl( |
| url_, format_types, net::UnescapeRule::SPACES, nullptr, nullptr, nullptr); |
| TermMatches term_matches = FindTermMatches(input_text, match_contents); |
| |
| // Update |match_contents_| and |match_contents_class_| if it's allowed. |
| if (allow_bolding_nothing || !term_matches.empty()) { |
| match_contents_ = match_contents; |
| match_contents_class_ = ClassifyTermMatches( |
| term_matches, match_contents.size(), |
| ACMatchClassification::MATCH | ACMatchClassification::URL, |
| ACMatchClassification::URL); |
| } |
| } |
| |
| int SearchSuggestionParser::NavigationResult::CalculateRelevance( |
| const AutocompleteInput& input, |
| bool keyword_provider_requested) const { |
| return (from_keyword_ || !keyword_provider_requested) ? 800 : 150; |
| } |
| |
| void SearchSuggestionParser::NavigationResult::ClassifyDescription( |
| const std::u16string& input_text) { |
| TermMatches term_matches = FindTermMatches(input_text, description_); |
| description_class_ = ClassifyTermMatches(term_matches, description_.size(), |
| ACMatchClassification::MATCH, |
| ACMatchClassification::NONE); |
| } |
| |
| // SearchSuggestionParser::Results --------------------------------------------- |
| |
| SearchSuggestionParser::Results::Results() |
| : verbatim_relevance(-1), |
| field_trial_triggered(false), |
| relevances_from_server(false) {} |
| |
| SearchSuggestionParser::Results::~Results() {} |
| |
| void SearchSuggestionParser::Results::Clear() { |
| suggest_results.clear(); |
| navigation_results.clear(); |
| verbatim_relevance = -1; |
| metadata.clear(); |
| } |
| |
| bool SearchSuggestionParser::Results::HasServerProvidedScores() const { |
| if (verbatim_relevance >= 0) |
| return true; |
| |
| // Right now either all results of one type will be server-scored or they will |
| // all be locally scored, but in case we change this later, we'll just check |
| // them all. |
| for (auto i(suggest_results.begin()); i != suggest_results.end(); ++i) { |
| if (i->relevance_from_server()) |
| return true; |
| } |
| for (auto i(navigation_results.begin()); i != navigation_results.end(); ++i) { |
| if (i->relevance_from_server()) |
| return true; |
| } |
| |
| return false; |
| } |
| |
| // SearchSuggestionParser ------------------------------------------------------ |
| |
| // static |
| std::string SearchSuggestionParser::ExtractJsonData( |
| const network::SimpleURLLoader* source, |
| std::unique_ptr<std::string> response_body) { |
| const net::HttpResponseHeaders* response_headers = nullptr; |
| if (source && source->ResponseInfo()) |
| response_headers = source->ResponseInfo()->headers.get(); |
| if (!response_body) |
| return std::string(); |
| |
| std::string json_data = std::move(*response_body); |
| |
| // JSON is supposed to be UTF-8, but some suggest service providers send |
| // JSON files in non-UTF-8 encodings. The actual encoding is usually |
| // specified in the Content-Type header field. |
| if (response_headers) { |
| std::string charset; |
| if (response_headers->GetCharset(&charset)) { |
| std::u16string data_16; |
| // TODO(jungshik): Switch to CodePageToUTF8 after it's added. |
| if (base::CodepageToUTF16(json_data, charset.c_str(), |
| base::OnStringConversionError::FAIL, &data_16)) |
| json_data = base::UTF16ToUTF8(data_16); |
| } |
| } |
| return json_data; |
| } |
| |
| // static |
| std::unique_ptr<base::Value> SearchSuggestionParser::DeserializeJsonData( |
| base::StringPiece json_data) { |
| // The JSON response should be an array. |
| for (size_t response_start_index = json_data.find("["), i = 0; |
| response_start_index != base::StringPiece::npos && i < 5; |
| response_start_index = json_data.find("[", 1), i++) { |
| // Remove any XSSI guards to allow for JSON parsing. |
| json_data.remove_prefix(response_start_index); |
| |
| JSONStringValueDeserializer deserializer(json_data, |
| base::JSON_ALLOW_TRAILING_COMMAS); |
| int error_code = 0; |
| std::unique_ptr<base::Value> data = |
| deserializer.Deserialize(&error_code, nullptr); |
| if (error_code == 0) |
| return data; |
| } |
| return nullptr; |
| } |
| |
| // static |
| bool SearchSuggestionParser::ParseSuggestResults( |
| const base::Value& root_val, |
| const AutocompleteInput& input, |
| const AutocompleteSchemeClassifier& scheme_classifier, |
| int default_result_relevance, |
| bool is_keyword_result, |
| Results* results) { |
| if (!root_val.is_list()) |
| return false; |
| base::Value::ConstListView root_list = root_val.GetList(); |
| |
| if (root_list.empty() || !root_list[0].is_string()) |
| return false; |
| std::u16string query = base::UTF8ToUTF16(root_list[0].GetString()); |
| if (query != input.text()) |
| return false; |
| |
| if (root_list.size() < 2u || !root_list[1].is_list()) |
| return false; |
| base::Value::ConstListView results_list = root_list[1].GetList(); |
| |
| // 3rd element: Description list. |
| absl::optional<base::Value::ConstListView> descriptions; |
| if (root_list.size() > 2u && root_list[2].is_list()) |
| descriptions = root_list[2].GetList(); |
| |
| // 4th element: Disregard the query URL list for now. |
| |
| // Reset suggested relevance information. |
| results->verbatim_relevance = -1; |
| |
| // 5th element: Optional key-value pairs from the Suggest server. |
| const base::ListValue* types = nullptr; |
| const base::ListValue* experiment_stats = nullptr; |
| const base::ListValue* suggestion_details = nullptr; |
| const base::DictionaryValue* extras = nullptr; |
| const base::Value* suggestsubtypes = nullptr; |
| int prefetch_index = -1; |
| |
| absl::optional<base::Value::ConstListView> subtype_identifiers; |
| absl::optional<base::Value::ConstListView> relevances; |
| |
| if (root_list.size() > 4u && root_list[4].GetAsDictionary(&extras)) { |
| extras->GetList("google:suggesttype", &types); |
| |
| suggestsubtypes = extras->FindPath("google:suggestsubtypes"); |
| |
| // Discard this list if its size does not match that of the suggestions. |
| const base::Value* relevances_value = |
| extras->FindListKey("google:suggestrelevance"); |
| if (relevances_value && |
| relevances_value->GetList().size() == results_list.size()) { |
| relevances = relevances_value->GetList(); |
| } |
| extras->GetInteger("google:verbatimrelevance", |
| &results->verbatim_relevance); |
| |
| // Check if the active suggest field trial (if any) has triggered either |
| // for the default provider or keyword provider. |
| results->field_trial_triggered = false; |
| extras->GetBoolean("google:fieldtrialtriggered", |
| &results->field_trial_triggered); |
| |
| results->experiment_stats.clear(); |
| if (extras->GetList("google:experimentstats", &experiment_stats) && |
| experiment_stats) { |
| for (size_t index = 0; index < experiment_stats->GetSize(); index++) { |
| const base::Value* experiment_stat = nullptr; |
| if (experiment_stats->Get(index, &experiment_stat) && experiment_stat) { |
| results->experiment_stats.push_back(experiment_stat->Clone()); |
| } |
| } |
| } |
| |
| const base::DictionaryValue* header_texts = nullptr; |
| if (extras->GetDictionary("google:headertexts", &header_texts) && |
| header_texts) { |
| const base::DictionaryValue* headers = nullptr; |
| if (header_texts->GetDictionary("a", &headers) && headers) { |
| for (auto it : headers->DictItems()) { |
| int suggestion_group_id; |
| base::StringToInt(it.first, &suggestion_group_id); |
| results->headers_map[suggestion_group_id] = |
| base::UTF8ToUTF16(it.second.GetString()); |
| } |
| } |
| |
| const base::ListValue* hidden_group_ids = nullptr; |
| if (header_texts->GetList("h", &hidden_group_ids) && hidden_group_ids) { |
| for (const auto& value : hidden_group_ids->GetList()) { |
| if (value.is_int()) |
| results->hidden_group_ids.emplace_back(value.GetInt()); |
| } |
| } |
| } |
| |
| const base::DictionaryValue* client_data = nullptr; |
| if (extras->GetDictionary("google:clientdata", &client_data) && client_data) |
| client_data->GetInteger("phi", &prefetch_index); |
| |
| if (extras->GetList("google:suggestdetail", &suggestion_details) && |
| suggestion_details->GetSize() != results_list.size()) |
| suggestion_details = nullptr; |
| |
| // Legacy code: Get subtype identifiers. |
| const base::Value* subtype_identifiers_value = |
| extras->FindListKey("google:subtypeid"); |
| if (subtype_identifiers_value && |
| subtype_identifiers_value->GetList().size() == results_list.size()) { |
| subtype_identifiers = subtype_identifiers_value->GetList(); |
| } |
| |
| // Store the metadata that came with the response in case we need to pass it |
| // along with the prefetch query to Instant. |
| JSONStringValueSerializer json_serializer(&results->metadata); |
| json_serializer.Serialize(*extras); |
| } |
| |
| // Processed list of match subtypes, one vector per match. |
| // Note: ParseMatchSubtypes will handle the cases where the key does not |
| // exist or contains malformed data. |
| std::vector<std::vector<int>> subtypes = |
| ParseMatchSubtypes(suggestsubtypes, results_list.size()); |
| |
| // Clear the previous results now that new results are available. |
| results->suggest_results.clear(); |
| results->navigation_results.clear(); |
| |
| std::string type; |
| int relevance = default_result_relevance; |
| const std::u16string& trimmed_input = |
| base::CollapseWhitespace(input.text(), false); |
| for (size_t index = 0; |
| index < results_list.size() && results_list[index].is_string(); |
| ++index) { |
| std::u16string suggestion = |
| base::UTF8ToUTF16(results_list[index].GetString()); |
| // Google search may return empty suggestions for weird input characters, |
| // they make no sense at all and can cause problems in our code. |
| suggestion = base::CollapseWhitespace(suggestion, false); |
| if (suggestion.empty()) |
| continue; |
| |
| // Apply valid suggested relevance scores; discard invalid lists. |
| if (relevances) { |
| const auto& val = (*relevances)[index]; |
| if (!val.is_int()) { |
| relevances = absl::nullopt; |
| } else { |
| relevance = val.GetInt(); |
| } |
| } |
| |
| AutocompleteMatchType::Type match_type = |
| AutocompleteMatchType::SEARCH_SUGGEST; |
| |
| // Legacy code: if the server sends us a single subtype ID, place it beside |
| // other subtypes. |
| if (subtype_identifiers) { |
| int subtype_identifier = |
| (*subtype_identifiers)[index].GetIfInt().value_or(0); |
| |
| if (subtype_identifier != 0) { |
| subtypes[index].emplace_back(subtype_identifier); |
| } |
| } |
| |
| if (types && types->GetString(index, &type)) |
| match_type = GetAutocompleteMatchType(type); |
| const base::DictionaryValue* suggestion_detail = nullptr; |
| std::string deletion_url; |
| |
| if (suggestion_details && |
| suggestion_details->GetDictionary(index, &suggestion_detail)) { |
| suggestion_detail->GetString("du", &deletion_url); |
| } |
| |
| if ((match_type == AutocompleteMatchType::NAVSUGGEST) || |
| (match_type == AutocompleteMatchType::NAVSUGGEST_PERSONALIZED)) { |
| // Do not blindly trust the URL coming from the server to be valid. |
| GURL url(url_formatter::FixupURL(base::UTF16ToUTF8(suggestion), |
| std::string())); |
| if (url.is_valid()) { |
| std::u16string title; |
| if (descriptions.has_value() && index < descriptions.value().size() && |
| descriptions.value()[index].is_string()) { |
| title = base::UTF8ToUTF16(descriptions.value()[index].GetString()); |
| } |
| results->navigation_results.push_back(NavigationResult( |
| scheme_classifier, url, match_type, subtypes[index], title, |
| deletion_url, is_keyword_result, relevance, relevances.has_value(), |
| input.text())); |
| } |
| } else { |
| std::u16string annotation; |
| std::u16string match_contents = suggestion; |
| if (match_type == AutocompleteMatchType::CALCULATOR) { |
| const bool has_equals_prefix = !suggestion.compare(0, 2, u"= "); |
| if (has_equals_prefix) { |
| // Calculator results include a "= " prefix but we don't want to |
| // include this in the search terms. |
| suggestion.erase(0, 2); |
| // Unlikely to happen, but better to be safe. |
| if (base::CollapseWhitespace(suggestion, false).empty()) |
| continue; |
| } |
| if (ui::GetDeviceFormFactor() == ui::DEVICE_FORM_FACTOR_DESKTOP) { |
| annotation = has_equals_prefix ? suggestion : match_contents; |
| match_contents = query; |
| } |
| } |
| |
| std::u16string match_contents_prefix; |
| SuggestionAnswer answer; |
| bool answer_parsed_successfully = false; |
| std::string image_dominant_color; |
| std::string image_url; |
| std::string additional_query_params; |
| absl::optional<int> suggestion_group_id; |
| |
| if (suggestion_details) { |
| suggestion_details->GetDictionary(index, &suggestion_detail); |
| if (suggestion_detail) { |
| suggestion_detail->GetString("t", &match_contents); |
| suggestion_detail->GetString("mp", &match_contents_prefix); |
| // Error correction for bad data from server. |
| if (match_contents.empty()) |
| match_contents = suggestion; |
| suggestion_detail->GetString("a", &annotation); |
| suggestion_detail->GetString("dc", &image_dominant_color); |
| suggestion_detail->GetString("i", &image_url); |
| suggestion_detail->GetString("q", &additional_query_params); |
| |
| // Suggestion group Id. |
| suggestion_group_id = suggestion_detail->FindIntPath("zl"); |
| |
| // Extract the Answer, if provided. |
| const base::DictionaryValue* answer_json = nullptr; |
| std::u16string answer_type; |
| if (suggestion_detail->GetDictionary("ansa", &answer_json) && |
| suggestion_detail->GetString("ansb", &answer_type)) { |
| if (SuggestionAnswer::ParseAnswer(*answer_json, answer_type, |
| &answer)) { |
| base::UmaHistogramSparse("Omnibox.AnswerParseType", |
| answer.type()); |
| answer_parsed_successfully = true; |
| } |
| UMA_HISTOGRAM_BOOLEAN("Omnibox.AnswerParseSuccess", |
| answer_parsed_successfully); |
| } |
| } |
| } |
| |
| bool should_prefetch = static_cast<int>(index) == prefetch_index; |
| results->suggest_results.push_back(SuggestResult( |
| suggestion, match_type, subtypes[index], |
| base::CollapseWhitespace(match_contents, false), |
| match_contents_prefix, annotation, additional_query_params, |
| deletion_url, image_dominant_color, image_url, is_keyword_result, |
| relevance, relevances.has_value(), should_prefetch, trimmed_input)); |
| |
| if (suggestion_group_id) { |
| results->suggest_results.back().set_suggestion_group_id( |
| *suggestion_group_id); |
| } |
| if (answer_parsed_successfully) |
| results->suggest_results.back().SetAnswer(answer); |
| } |
| } |
| results->relevances_from_server = relevances.has_value(); |
| return true; |
| } |
