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1 // Copyright 2014 The Chromium Authors. All rights reserved. | 1 // Copyright 2014 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 "components/omnibox/browser/omnibox_field_trial.h" | 5 #include "components/omnibox/browser/omnibox_field_trial.h" |
6 | 6 |
7 #include <cmath> | 7 #include <cmath> |
8 #include <string> | 8 #include <string> |
9 | 9 |
10 #include "base/command_line.h" | 10 #include "base/command_line.h" |
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424 if (typed_value_str.empty()) | 424 if (typed_value_str.empty()) |
425 return 20; | 425 return 20; |
426 // This is a best-effort conversion; we trust the hand-crafted parameters | 426 // This is a best-effort conversion; we trust the hand-crafted parameters |
427 // downloaded from the server to be perfect. There's no need for handle | 427 // downloaded from the server to be perfect. There's no need for handle |
428 // errors smartly. | 428 // errors smartly. |
429 double typed_value; | 429 double typed_value; |
430 base::StringToDouble(typed_value_str, &typed_value); | 430 base::StringToDouble(typed_value_str, &typed_value); |
431 return typed_value; | 431 return typed_value; |
432 } | 432 } |
433 | 433 |
| 434 OmniboxFieldTrial::NumMatchesScores OmniboxFieldTrial::HQPNumMatchesScores() { |
| 435 std::string str = variations::GetVariationParamValue( |
| 436 kBundledExperimentFieldTrialName, kHQPNumMatchesScoresRule); |
| 437 // The parameter is a comma-separated list of (number, value) pairs, e.g. |
| 438 // "1:3,2:2.5,3:2,4:1.5". |
| 439 // This is a best-effort conversion; we trust the hand-crafted parameters |
| 440 // downloaded from the server to be perfect. There's no need to handle |
| 441 // errors smartly. |
| 442 base::StringPairs kv_pairs; |
| 443 if (!base::SplitStringIntoKeyValuePairs(str, ':', ',', &kv_pairs)) |
| 444 return NumMatchesScores{}; |
| 445 NumMatchesScores num_matches_scores(kv_pairs.size()); |
| 446 for (size_t i = 0; i < kv_pairs.size(); ++i) { |
| 447 base::StringToSizeT(kv_pairs[i].first, &num_matches_scores[i].first); |
| 448 // The input must be sorted by number of matches. |
| 449 DCHECK((i == 0) || |
| 450 (num_matches_scores[i].first > num_matches_scores[i - 1].first)); |
| 451 base::StringToDouble(kv_pairs[i].second, &num_matches_scores[i].second); |
| 452 } |
| 453 return num_matches_scores; |
| 454 } |
| 455 |
434 size_t OmniboxFieldTrial::HQPNumTitleWordsToAllow() { | 456 size_t OmniboxFieldTrial::HQPNumTitleWordsToAllow() { |
435 // The value of the rule is a string that encodes an integer (actually | 457 // The value of the rule is a string that encodes an integer (actually |
436 // size_t) containing the number of words. | 458 // size_t) containing the number of words. |
437 size_t num_title_words; | 459 size_t num_title_words; |
438 if (!base::StringToSizeT( | 460 if (!base::StringToSizeT( |
439 variations::GetVariationParamValue(kBundledExperimentFieldTrialName, | 461 variations::GetVariationParamValue(kBundledExperimentFieldTrialName, |
440 kHQPNumTitleWordsRule), | 462 kHQPNumTitleWordsRule), |
441 &num_title_words)) | 463 &num_title_words)) |
442 return 20; | 464 return 20; |
443 return num_title_words; | 465 return num_title_words; |
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529 "DisableResultsCaching"; | 551 "DisableResultsCaching"; |
530 const char | 552 const char |
531 OmniboxFieldTrial::kMeasureSuggestPollingDelayFromLastKeystrokeRule[] = | 553 OmniboxFieldTrial::kMeasureSuggestPollingDelayFromLastKeystrokeRule[] = |
532 "MeasureSuggestPollingDelayFromLastKeystroke"; | 554 "MeasureSuggestPollingDelayFromLastKeystroke"; |
533 const char OmniboxFieldTrial::kSuggestPollingDelayMsRule[] = | 555 const char OmniboxFieldTrial::kSuggestPollingDelayMsRule[] = |
534 "SuggestPollingDelayMs"; | 556 "SuggestPollingDelayMs"; |
535 const char OmniboxFieldTrial::kHQPFixFewVisitsBugRule[] = "HQPFixFewVisitsBug"; | 557 const char OmniboxFieldTrial::kHQPFixFewVisitsBugRule[] = "HQPFixFewVisitsBug"; |
536 const char OmniboxFieldTrial::kHQPFreqencyUsesSumRule[] = "HQPFreqencyUsesSum"; | 558 const char OmniboxFieldTrial::kHQPFreqencyUsesSumRule[] = "HQPFreqencyUsesSum"; |
537 const char OmniboxFieldTrial::kHQPMaxVisitsToScoreRule[] = | 559 const char OmniboxFieldTrial::kHQPMaxVisitsToScoreRule[] = |
538 "HQPMaxVisitsToScoreRule"; | 560 "HQPMaxVisitsToScoreRule"; |
| 561 const char OmniboxFieldTrial::kHQPNumMatchesScoresRule[] = |
| 562 "HQPNumMatchesScores"; |
539 const char OmniboxFieldTrial::kHQPNumTitleWordsRule[] = "HQPNumTitleWords"; | 563 const char OmniboxFieldTrial::kHQPNumTitleWordsRule[] = "HQPNumTitleWords"; |
540 const char OmniboxFieldTrial::kHQPAlsoDoHUPLikeScoringRule[] = | 564 const char OmniboxFieldTrial::kHQPAlsoDoHUPLikeScoringRule[] = |
541 "HQPAlsoDoHUPLikeScoring"; | 565 "HQPAlsoDoHUPLikeScoring"; |
542 const char OmniboxFieldTrial::kHUPSearchDatabaseRule[] = | 566 const char OmniboxFieldTrial::kHUPSearchDatabaseRule[] = |
543 "HUPSearchDatabase"; | 567 "HUPSearchDatabase"; |
544 const char OmniboxFieldTrial::kKeywordRequiresRegistryRule[] = | 568 const char OmniboxFieldTrial::kKeywordRequiresRegistryRule[] = |
545 "KeywordRequiresRegistry"; | 569 "KeywordRequiresRegistry"; |
546 const char OmniboxFieldTrial::kKeywordRequiresPrefixMatchRule[] = | 570 const char OmniboxFieldTrial::kKeywordRequiresPrefixMatchRule[] = |
547 "KeywordRequiresPrefixMatch"; | 571 "KeywordRequiresPrefixMatch"; |
548 const char OmniboxFieldTrial::kKeywordScoreForSufficientlyCompleteMatchRule[] = | 572 const char OmniboxFieldTrial::kKeywordScoreForSufficientlyCompleteMatchRule[] = |
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632 if (it != params.end()) | 656 if (it != params.end()) |
633 return it->second; | 657 return it->second; |
634 // Fall back to the global instant extended context. | 658 // Fall back to the global instant extended context. |
635 it = params.find(rule + ":" + page_classification_str + ":*"); | 659 it = params.find(rule + ":" + page_classification_str + ":*"); |
636 if (it != params.end()) | 660 if (it != params.end()) |
637 return it->second; | 661 return it->second; |
638 // Look up rule in the global context. | 662 // Look up rule in the global context. |
639 it = params.find(rule + ":*:*"); | 663 it = params.find(rule + ":*:*"); |
640 return (it != params.end()) ? it->second : std::string(); | 664 return (it != params.end()) ? it->second : std::string(); |
641 } | 665 } |
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