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Side by Side Diff: chrome/browser/autocomplete/zero_suggest_provider.cc

Issue 158053002: Part 4 of search provider refactoring. (Closed) Base URL: svn://svn.chromium.org/chrome/trunk/src
Patch Set: Rebase Created 6 years, 10 months ago
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1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. 1 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be 2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file. 3 // found in the LICENSE file.
4 4
5 #include "chrome/browser/autocomplete/zero_suggest_provider.h" 5 #include "chrome/browser/autocomplete/zero_suggest_provider.h"
6 6
7 #include "base/callback.h" 7 #include "base/callback.h"
8 #include "base/i18n/case_conversion.h" 8 #include "base/i18n/case_conversion.h"
9 #include "base/json/json_string_value_serializer.h" 9 #include "base/json/json_string_value_serializer.h"
10 #include "base/metrics/histogram.h" 10 #include "base/metrics/histogram.h"
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256 relevances != NULL, false, current_query_string16)); 256 relevances != NULL, false, current_query_string16));
257 } 257 }
258 } 258 }
259 } 259 }
260 260
261 void ZeroSuggestProvider::AddSuggestResultsToMap( 261 void ZeroSuggestProvider::AddSuggestResultsToMap(
262 const SuggestResults& results, 262 const SuggestResults& results,
263 const TemplateURL* template_url, 263 const TemplateURL* template_url,
264 MatchMap* map) { 264 MatchMap* map) {
265 for (size_t i = 0; i < results.size(); ++i) { 265 for (size_t i = 0; i < results.size(); ++i) {
266 AddMatchToMap(results[i].relevance(), AutocompleteMatchType::SEARCH_SUGGEST, 266 const base::string16& query_string(results[i].suggestion());
267 template_url, results[i].suggestion(), i, map); 267 // Pass in query_string as the input_text to avoid bolding
268 const SuggestResult suggestion(query_string,
269 AutocompleteMatchType::SEARCH_SUGGEST, query_string, base::string16(),
270 std::string(), std::string(), false, results[i].relevance(), true,
271 false, query_string);
272 AddMatchToMap(suggestion, AutocompleteInput(), query_string, template_url,
Mark P 2014/02/10 23:25:55 Hopefully this ugly (pre-existing) AutocompleteInp
Maria 2014/02/11 21:42:32 Sadly, no :(
273 std::string(), i, true, map);
268 } 274 }
269 } 275 }
270 276
271 void ZeroSuggestProvider::AddMatchToMap(int relevance,
272 AutocompleteMatch::Type type,
273 const TemplateURL* template_url,
274 const base::string16& query_string,
275 int accepted_suggestion,
276 MatchMap* map) {
277 // Pass in query_string as the input_text to avoid bolding.
278 SuggestResult suggestion(
279 query_string, type, query_string, base::string16(), std::string(),
280 std::string(), false, relevance, true, false, query_string);
281 // TODO(samarth|melevin): use the actual omnibox margin here as well instead
282 // of passing in -1.
283 AutocompleteMatch match = CreateSearchSuggestion(this, AutocompleteInput(),
284 query_string, suggestion, template_url, accepted_suggestion, -1, true);
285 if (!match.destination_url.is_valid())
286 return;
287
288 // Try to add |match| to |map|. If a match for |query_string| is already in
289 // |map|, replace it if |match| is more relevant.
290 // NOTE: Keep this ToLower() call in sync with url_database.cc.
291 MatchKey match_key(
292 std::make_pair(base::i18n::ToLower(query_string), std::string()));
293 const std::pair<MatchMap::iterator, bool> i(map->insert(
294 std::make_pair(match_key, match)));
295 // NOTE: We purposefully do a direct relevance comparison here instead of
296 // using AutocompleteMatch::MoreRelevant(), so that we'll prefer "items added
297 // first" rather than "items alphabetically first" when the scores are equal.
298 // The only case this matters is when a user has results with the same score
299 // that differ only by capitalization; because the history system returns
300 // results sorted by recency, this means we'll pick the most recent such
301 // result even if the precision of our relevance score is too low to
302 // distinguish the two.
303 if (!i.second && (match.relevance > i.first->second.relevance))
304 i.first->second = match;
305 }
306
307 AutocompleteMatch ZeroSuggestProvider::NavigationToMatch( 277 AutocompleteMatch ZeroSuggestProvider::NavigationToMatch(
308 const NavigationResult& navigation) { 278 const NavigationResult& navigation) {
309 AutocompleteMatch match(this, navigation.relevance(), false, 279 AutocompleteMatch match(this, navigation.relevance(), false,
310 AutocompleteMatchType::NAVSUGGEST); 280 AutocompleteMatchType::NAVSUGGEST);
311 match.destination_url = navigation.url(); 281 match.destination_url = navigation.url();
312 282
313 // Zero suggest results should always omit protocols and never appear bold. 283 // Zero suggest results should always omit protocols and never appear bold.
314 const std::string languages( 284 const std::string languages(
315 profile_->GetPrefs()->GetString(prefs::kAcceptLanguages)); 285 profile_->GetPrefs()->GetString(prefs::kAcceptLanguages));
316 match.contents = net::FormatUrl(navigation.url(), languages, 286 match.contents = net::FormatUrl(navigation.url(), languages,
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445 match.is_history_what_you_typed_match = false; 415 match.is_history_what_you_typed_match = false;
446 match.allowed_to_be_default_match = true; 416 match.allowed_to_be_default_match = true;
447 417
448 // The placeholder suggestion for the current URL has high relevance so 418 // The placeholder suggestion for the current URL has high relevance so
449 // that it is in the first suggestion slot and inline autocompleted. It 419 // that it is in the first suggestion slot and inline autocompleted. It
450 // gets dropped as soon as the user types something. 420 // gets dropped as soon as the user types something.
451 match.relevance = verbatim_relevance_; 421 match.relevance = verbatim_relevance_;
452 422
453 return match; 423 return match;
454 } 424 }
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