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

Issue 1155673002: Omnibox - Add About Flag to Reverse Title and URLs in the Dropdown (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master
Patch Set: remove extra blank line Created 5 years, 7 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/shortcuts_provider.h" 5 #include "chrome/browser/autocomplete/shortcuts_provider.h"
6 6
7 #include <algorithm> 7 #include <algorithm>
8 #include <cmath> 8 #include <cmath>
9 #include <map> 9 #include <map>
10 #include <vector> 10 #include <vector>
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242 // Try to mark pieces of the contents and description as matches if they 242 // Try to mark pieces of the contents and description as matches if they
243 // appear in |input.text()|. 243 // appear in |input.text()|.
244 const base::string16 term_string = base::i18n::ToLower(input.text()); 244 const base::string16 term_string = base::i18n::ToLower(input.text());
245 WordMap terms_map(CreateWordMapForString(term_string)); 245 WordMap terms_map(CreateWordMapForString(term_string));
246 if (!terms_map.empty()) { 246 if (!terms_map.empty()) {
247 match.contents_class = ClassifyAllMatchesInString(term_string, terms_map, 247 match.contents_class = ClassifyAllMatchesInString(term_string, terms_map,
248 match.contents, match.contents_class); 248 match.contents, match.contents_class);
249 match.description_class = ClassifyAllMatchesInString(term_string, terms_map, 249 match.description_class = ClassifyAllMatchesInString(term_string, terms_map,
250 match.description, match.description_class); 250 match.description, match.description_class);
251 } 251 }
252 match.PossiblySwapContentsAndDescriptionForURLSuggestion(input);
252 return match; 253 return match;
253 } 254 }
254 255
255 // static 256 // static
256 ShortcutsProvider::WordMap ShortcutsProvider::CreateWordMapForString( 257 ShortcutsProvider::WordMap ShortcutsProvider::CreateWordMapForString(
257 const base::string16& text) { 258 const base::string16& text) {
258 // First, convert |text| to a vector of the unique words in it. 259 // First, convert |text| to a vector of the unique words in it.
259 WordMap word_map; 260 WordMap word_map;
260 base::i18n::BreakIterator word_iter(text, 261 base::i18n::BreakIterator word_iter(text,
261 base::i18n::BreakIterator::BREAK_WORD); 262 base::i18n::BreakIterator::BREAK_WORD);
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401 // (1.0 / each 5 additional hits), up to a maximum of 5x as long. 402 // (1.0 / each 5 additional hits), up to a maximum of 5x as long.
402 const double kMaxDecaySpeedDivisor = 5.0; 403 const double kMaxDecaySpeedDivisor = 5.0;
403 const double kNumUsesPerDecaySpeedDivisorIncrement = 5.0; 404 const double kNumUsesPerDecaySpeedDivisorIncrement = 5.0;
404 double decay_divisor = std::min(kMaxDecaySpeedDivisor, 405 double decay_divisor = std::min(kMaxDecaySpeedDivisor,
405 (shortcut.number_of_hits + kNumUsesPerDecaySpeedDivisorIncrement - 1) / 406 (shortcut.number_of_hits + kNumUsesPerDecaySpeedDivisorIncrement - 1) /
406 kNumUsesPerDecaySpeedDivisorIncrement); 407 kNumUsesPerDecaySpeedDivisorIncrement);
407 408
408 return static_cast<int>((base_score / exp(decay_exponent / decay_divisor)) + 409 return static_cast<int>((base_score / exp(decay_exponent / decay_divisor)) +
409 0.5); 410 0.5);
410 } 411 }
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