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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" |
11 #include "base/prefs/pref_service.h" | 11 #include "base/prefs/pref_service.h" |
12 #include "base/strings/string16.h" | 12 #include "base/strings/string16.h" |
13 #include "base/strings/string_util.h" | 13 #include "base/strings/string_util.h" |
14 #include "base/strings/utf_string_conversions.h" | 14 #include "base/strings/utf_string_conversions.h" |
15 #include "base/time/time.h" | 15 #include "base/time/time.h" |
16 #include "chrome/browser/autocomplete/autocomplete_classifier.h" | 16 #include "chrome/browser/autocomplete/autocomplete_classifier.h" |
17 #include "chrome/browser/autocomplete/autocomplete_classifier_factory.h" | 17 #include "chrome/browser/autocomplete/autocomplete_classifier_factory.h" |
18 #include "chrome/browser/autocomplete/chrome_autocomplete_scheme_classifier.h" | 18 #include "chrome/browser/autocomplete/chrome_autocomplete_scheme_classifier.h" |
19 #include "chrome/browser/autocomplete/history_url_provider.h" | 19 #include "chrome/browser/autocomplete/history_url_provider.h" |
20 #include "chrome/browser/autocomplete/search_provider.h" | 20 #include "chrome/browser/autocomplete/search_provider.h" |
21 #include "chrome/browser/history/history_types.h" | 21 #include "chrome/browser/history/history_types.h" |
22 #include "chrome/browser/history/top_sites.h" | 22 #include "chrome/browser/history/top_sites.h" |
23 #include "chrome/browser/omnibox/omnibox_field_trial.h" | 23 #include "chrome/browser/omnibox/omnibox_field_trial.h" |
24 #include "chrome/browser/profiles/profile.h" | 24 #include "chrome/browser/profiles/profile.h" |
25 #include "chrome/browser/search_engines/template_url_service_factory.h" | |
26 #include "chrome/common/pref_names.h" | 25 #include "chrome/common/pref_names.h" |
27 #include "chrome/common/url_constants.h" | |
28 #include "components/autocomplete/autocomplete_input.h" | 26 #include "components/autocomplete/autocomplete_input.h" |
29 #include "components/autocomplete/autocomplete_match.h" | 27 #include "components/autocomplete/autocomplete_match.h" |
30 #include "components/autocomplete/autocomplete_provider_listener.h" | 28 #include "components/autocomplete/autocomplete_provider_listener.h" |
31 #include "components/metrics/proto/omnibox_input_type.pb.h" | 29 #include "components/metrics/proto/omnibox_input_type.pb.h" |
32 #include "components/pref_registry/pref_registry_syncable.h" | 30 #include "components/pref_registry/pref_registry_syncable.h" |
33 #include "components/search_engines/template_url_service.h" | 31 #include "components/search_engines/template_url_service.h" |
34 #include "components/variations/variations_http_header_provider.h" | 32 #include "components/variations/variations_http_header_provider.h" |
35 #include "content/public/browser/user_metrics.h" | 33 #include "content/public/browser/user_metrics.h" |
36 #include "net/base/escape.h" | 34 #include "net/base/escape.h" |
37 #include "net/base/load_flags.h" | 35 #include "net/base/load_flags.h" |
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69 const int kDefaultVerbatimZeroSuggestRelevance = 1300; | 67 const int kDefaultVerbatimZeroSuggestRelevance = 1300; |
70 | 68 |
71 // Relevance value to use if it was not set explicitly by the server. | 69 // Relevance value to use if it was not set explicitly by the server. |
72 const int kDefaultZeroSuggestRelevance = 100; | 70 const int kDefaultZeroSuggestRelevance = 100; |
73 | 71 |
74 } // namespace | 72 } // namespace |
75 | 73 |
76 // static | 74 // static |
77 ZeroSuggestProvider* ZeroSuggestProvider::Create( | 75 ZeroSuggestProvider* ZeroSuggestProvider::Create( |
78 AutocompleteProviderListener* listener, | 76 AutocompleteProviderListener* listener, |
| 77 TemplateURLService* template_url_service, |
79 Profile* profile) { | 78 Profile* profile) { |
80 return new ZeroSuggestProvider(listener, profile); | 79 return new ZeroSuggestProvider(listener, template_url_service, profile); |
81 } | 80 } |
82 | 81 |
83 // static | 82 // static |
84 void ZeroSuggestProvider::RegisterProfilePrefs( | 83 void ZeroSuggestProvider::RegisterProfilePrefs( |
85 user_prefs::PrefRegistrySyncable* registry) { | 84 user_prefs::PrefRegistrySyncable* registry) { |
86 registry->RegisterStringPref( | 85 registry->RegisterStringPref( |
87 prefs::kZeroSuggestCachedResults, | 86 prefs::kZeroSuggestCachedResults, |
88 std::string(), | 87 std::string(), |
89 user_prefs::PrefRegistrySyncable::UNSYNCABLE_PREF); | 88 user_prefs::PrefRegistrySyncable::UNSYNCABLE_PREF); |
90 } | 89 } |
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111 | 110 |
112 base::string16 prefix; | 111 base::string16 prefix; |
113 TemplateURLRef::SearchTermsArgs search_term_args(prefix); | 112 TemplateURLRef::SearchTermsArgs search_term_args(prefix); |
114 GURL suggest_url(default_provider->suggestions_url_ref().ReplaceSearchTerms( | 113 GURL suggest_url(default_provider->suggestions_url_ref().ReplaceSearchTerms( |
115 search_term_args, template_url_service_->search_terms_data())); | 114 search_term_args, template_url_service_->search_terms_data())); |
116 if (!suggest_url.is_valid()) | 115 if (!suggest_url.is_valid()) |
117 return; | 116 return; |
118 | 117 |
119 // No need to send the current page URL in personalized suggest field trial. | 118 // No need to send the current page URL in personalized suggest field trial. |
120 if (CanSendURL(input.current_url(), suggest_url, default_provider, | 119 if (CanSendURL(input.current_url(), suggest_url, default_provider, |
121 current_page_classification_, profile_) && | 120 current_page_classification_, |
| 121 template_url_service_->search_terms_data(), profile_) && |
122 !OmniboxFieldTrial::InZeroSuggestPersonalizedFieldTrial()) { | 122 !OmniboxFieldTrial::InZeroSuggestPersonalizedFieldTrial()) { |
123 // Update suggest_url to include the current_page_url. | 123 // Update suggest_url to include the current_page_url. |
124 search_term_args.current_page_url = current_query_; | 124 search_term_args.current_page_url = current_query_; |
125 suggest_url = GURL(default_provider->suggestions_url_ref(). | 125 suggest_url = GURL(default_provider->suggestions_url_ref(). |
126 ReplaceSearchTerms( | 126 ReplaceSearchTerms( |
127 search_term_args, | 127 search_term_args, |
128 template_url_service_->search_terms_data())); | 128 template_url_service_->search_terms_data())); |
129 } else if (!CanShowZeroSuggestWithoutSendingURL(suggest_url, | 129 } else if (!CanShowZeroSuggestWithoutSendingURL(suggest_url, |
130 input.current_url())) { | 130 input.current_url())) { |
131 return; | 131 return; |
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157 } | 157 } |
158 | 158 |
159 void ZeroSuggestProvider::ModifyProviderInfo( | 159 void ZeroSuggestProvider::ModifyProviderInfo( |
160 metrics::OmniboxEventProto_ProviderInfo* provider_info) const { | 160 metrics::OmniboxEventProto_ProviderInfo* provider_info) const { |
161 if (!results_.suggest_results.empty() || !results_.navigation_results.empty()) | 161 if (!results_.suggest_results.empty() || !results_.navigation_results.empty()) |
162 provider_info->set_times_returned_results_in_session(1); | 162 provider_info->set_times_returned_results_in_session(1); |
163 } | 163 } |
164 | 164 |
165 ZeroSuggestProvider::ZeroSuggestProvider( | 165 ZeroSuggestProvider::ZeroSuggestProvider( |
166 AutocompleteProviderListener* listener, | 166 AutocompleteProviderListener* listener, |
| 167 TemplateURLService* template_url_service, |
167 Profile* profile) | 168 Profile* profile) |
168 : BaseSearchProvider(listener, profile, | 169 : BaseSearchProvider(listener, template_url_service, profile, |
169 AutocompleteProvider::TYPE_ZERO_SUGGEST), | 170 AutocompleteProvider::TYPE_ZERO_SUGGEST), |
170 template_url_service_(TemplateURLServiceFactory::GetForProfile(profile)), | |
171 results_from_cache_(false), | 171 results_from_cache_(false), |
172 weak_ptr_factory_(this) { | 172 weak_ptr_factory_(this) { |
173 } | 173 } |
174 | 174 |
175 ZeroSuggestProvider::~ZeroSuggestProvider() { | 175 ZeroSuggestProvider::~ZeroSuggestProvider() { |
176 } | 176 } |
177 | 177 |
178 bool ZeroSuggestProvider::StoreSuggestionResponse( | 178 bool ZeroSuggestProvider::StoreSuggestionResponse( |
179 const std::string& json_data, | 179 const std::string& json_data, |
180 const base::Value& parsed_data) { | 180 const base::Value& parsed_data) { |
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421 int ZeroSuggestProvider::GetVerbatimRelevance() const { | 421 int ZeroSuggestProvider::GetVerbatimRelevance() const { |
422 return results_.verbatim_relevance >= 0 ? | 422 return results_.verbatim_relevance >= 0 ? |
423 results_.verbatim_relevance : kDefaultVerbatimZeroSuggestRelevance; | 423 results_.verbatim_relevance : kDefaultVerbatimZeroSuggestRelevance; |
424 } | 424 } |
425 | 425 |
426 bool ZeroSuggestProvider::CanShowZeroSuggestWithoutSendingURL( | 426 bool ZeroSuggestProvider::CanShowZeroSuggestWithoutSendingURL( |
427 const GURL& suggest_url, | 427 const GURL& suggest_url, |
428 const GURL& current_page_url) const { | 428 const GURL& current_page_url) const { |
429 if (!ZeroSuggestEnabled(suggest_url, | 429 if (!ZeroSuggestEnabled(suggest_url, |
430 template_url_service_->GetDefaultSearchProvider(), | 430 template_url_service_->GetDefaultSearchProvider(), |
431 current_page_classification_, profile_)) | 431 current_page_classification_, |
| 432 template_url_service_->search_terms_data(), profile_)) |
432 return false; | 433 return false; |
433 | 434 |
434 // If we cannot send URLs, then only the MostVisited and Personalized | 435 // If we cannot send URLs, then only the MostVisited and Personalized |
435 // variations can be shown. | 436 // variations can be shown. |
436 if (!OmniboxFieldTrial::InZeroSuggestMostVisitedFieldTrial() && | 437 if (!OmniboxFieldTrial::InZeroSuggestMostVisitedFieldTrial() && |
437 !OmniboxFieldTrial::InZeroSuggestPersonalizedFieldTrial()) | 438 !OmniboxFieldTrial::InZeroSuggestPersonalizedFieldTrial()) |
438 return false; | 439 return false; |
439 | 440 |
440 // Only show zero suggest for HTTP[S] pages. | 441 // Only show zero suggest for HTTP[S] pages. |
441 // TODO(mariakhomenko): We may be able to expand this set to include pages | 442 // TODO(mariakhomenko): We may be able to expand this set to include pages |
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457 prefs::kZeroSuggestCachedResults); | 458 prefs::kZeroSuggestCachedResults); |
458 if (!json_data.empty()) { | 459 if (!json_data.empty()) { |
459 scoped_ptr<base::Value> data( | 460 scoped_ptr<base::Value> data( |
460 SearchSuggestionParser::DeserializeJsonData(json_data)); | 461 SearchSuggestionParser::DeserializeJsonData(json_data)); |
461 if (data && ParseSuggestResults(*data.get(), false, &results_)) { | 462 if (data && ParseSuggestResults(*data.get(), false, &results_)) { |
462 ConvertResultsToAutocompleteMatches(); | 463 ConvertResultsToAutocompleteMatches(); |
463 results_from_cache_ = !matches_.empty(); | 464 results_from_cache_ = !matches_.empty(); |
464 } | 465 } |
465 } | 466 } |
466 } | 467 } |
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