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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/metrics/user_metrics.h" | 11 #include "base/metrics/user_metrics.h" |
12 #include "base/prefs/pref_service.h" | 12 #include "base/prefs/pref_service.h" |
13 #include "base/strings/string16.h" | 13 #include "base/strings/string16.h" |
14 #include "base/strings/string_util.h" | 14 #include "base/strings/string_util.h" |
15 #include "base/strings/utf_string_conversions.h" | 15 #include "base/strings/utf_string_conversions.h" |
16 #include "base/time/time.h" | 16 #include "base/time/time.h" |
17 #include "chrome/browser/autocomplete/autocomplete_classifier.h" | 17 #include "chrome/browser/autocomplete/autocomplete_classifier.h" |
18 #include "chrome/browser/autocomplete/autocomplete_classifier_factory.h" | 18 #include "chrome/browser/autocomplete/autocomplete_classifier_factory.h" |
19 #include "chrome/browser/autocomplete/chrome_autocomplete_provider_delegate.h" | 19 #include "chrome/browser/autocomplete/chrome_autocomplete_provider_client.h" |
20 #include "chrome/browser/autocomplete/chrome_autocomplete_scheme_classifier.h" | 20 #include "chrome/browser/autocomplete/chrome_autocomplete_scheme_classifier.h" |
21 #include "chrome/browser/autocomplete/history_url_provider.h" | 21 #include "chrome/browser/autocomplete/history_url_provider.h" |
22 #include "chrome/browser/history/history_types.h" | 22 #include "chrome/browser/history/history_types.h" |
23 #include "chrome/browser/history/top_sites.h" | 23 #include "chrome/browser/history/top_sites.h" |
24 #include "chrome/browser/profiles/profile.h" | 24 #include "chrome/browser/profiles/profile.h" |
25 #include "chrome/common/pref_names.h" | 25 #include "chrome/common/pref_names.h" |
26 #include "components/metrics/proto/omnibox_input_type.pb.h" | 26 #include "components/metrics/proto/omnibox_input_type.pb.h" |
27 #include "components/omnibox/autocomplete_input.h" | 27 #include "components/omnibox/autocomplete_input.h" |
28 #include "components/omnibox/autocomplete_match.h" | 28 #include "components/omnibox/autocomplete_match.h" |
29 #include "components/omnibox/autocomplete_provider_listener.h" | 29 #include "components/omnibox/autocomplete_provider_listener.h" |
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112 base::string16 prefix; | 112 base::string16 prefix; |
113 TemplateURLRef::SearchTermsArgs search_term_args(prefix); | 113 TemplateURLRef::SearchTermsArgs search_term_args(prefix); |
114 GURL suggest_url(default_provider->suggestions_url_ref().ReplaceSearchTerms( | 114 GURL suggest_url(default_provider->suggestions_url_ref().ReplaceSearchTerms( |
115 search_term_args, template_url_service_->search_terms_data())); | 115 search_term_args, template_url_service_->search_terms_data())); |
116 if (!suggest_url.is_valid()) | 116 if (!suggest_url.is_valid()) |
117 return; | 117 return; |
118 | 118 |
119 // No need to send the current page URL in personalized suggest field trial. | 119 // No need to send the current page URL in personalized suggest field trial. |
120 if (CanSendURL(input.current_url(), suggest_url, default_provider, | 120 if (CanSendURL(input.current_url(), suggest_url, default_provider, |
121 current_page_classification_, | 121 current_page_classification_, |
122 template_url_service_->search_terms_data(), delegate_.get()) && | 122 template_url_service_->search_terms_data(), client_.get()) && |
123 !OmniboxFieldTrial::InZeroSuggestPersonalizedFieldTrial()) { | 123 !OmniboxFieldTrial::InZeroSuggestPersonalizedFieldTrial()) { |
124 // Update suggest_url to include the current_page_url. | 124 // Update suggest_url to include the current_page_url. |
125 search_term_args.current_page_url = current_query_; | 125 search_term_args.current_page_url = current_query_; |
126 suggest_url = GURL(default_provider->suggestions_url_ref(). | 126 suggest_url = GURL(default_provider->suggestions_url_ref(). |
127 ReplaceSearchTerms( | 127 ReplaceSearchTerms( |
128 search_term_args, | 128 search_term_args, |
129 template_url_service_->search_terms_data())); | 129 template_url_service_->search_terms_data())); |
130 } else if (!CanShowZeroSuggestWithoutSendingURL(suggest_url, | 130 } else if (!CanShowZeroSuggestWithoutSendingURL(suggest_url, |
131 input.current_url())) { | 131 input.current_url())) { |
132 return; | 132 return; |
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178 // |field_trial_triggered_in_session_| unchanged and set | 178 // |field_trial_triggered_in_session_| unchanged and set |
179 // |field_trial_triggered_| to false since zero suggest is inactive now. | 179 // |field_trial_triggered_| to false since zero suggest is inactive now. |
180 field_trial_triggered_ = false; | 180 field_trial_triggered_ = false; |
181 } | 181 } |
182 | 182 |
183 ZeroSuggestProvider::ZeroSuggestProvider( | 183 ZeroSuggestProvider::ZeroSuggestProvider( |
184 AutocompleteProviderListener* listener, | 184 AutocompleteProviderListener* listener, |
185 TemplateURLService* template_url_service, | 185 TemplateURLService* template_url_service, |
186 Profile* profile) | 186 Profile* profile) |
187 : BaseSearchProvider(template_url_service, | 187 : BaseSearchProvider(template_url_service, |
188 scoped_ptr<AutocompleteProviderDelegate>( | 188 scoped_ptr<AutocompleteProviderClient>( |
189 new ChromeAutocompleteProviderDelegate(profile)), | 189 new ChromeAutocompleteProviderClient(profile)), |
190 AutocompleteProvider::TYPE_ZERO_SUGGEST), | 190 AutocompleteProvider::TYPE_ZERO_SUGGEST), |
191 listener_(listener), | 191 listener_(listener), |
192 profile_(profile), | 192 profile_(profile), |
193 results_from_cache_(false), | 193 results_from_cache_(false), |
194 weak_ptr_factory_(this) { | 194 weak_ptr_factory_(this) { |
195 } | 195 } |
196 | 196 |
197 ZeroSuggestProvider::~ZeroSuggestProvider() { | 197 ZeroSuggestProvider::~ZeroSuggestProvider() { |
198 } | 198 } |
199 | 199 |
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424 results_.verbatim_relevance : kDefaultVerbatimZeroSuggestRelevance; | 424 results_.verbatim_relevance : kDefaultVerbatimZeroSuggestRelevance; |
425 } | 425 } |
426 | 426 |
427 bool ZeroSuggestProvider::CanShowZeroSuggestWithoutSendingURL( | 427 bool ZeroSuggestProvider::CanShowZeroSuggestWithoutSendingURL( |
428 const GURL& suggest_url, | 428 const GURL& suggest_url, |
429 const GURL& current_page_url) const { | 429 const GURL& current_page_url) const { |
430 if (!ZeroSuggestEnabled(suggest_url, | 430 if (!ZeroSuggestEnabled(suggest_url, |
431 template_url_service_->GetDefaultSearchProvider(), | 431 template_url_service_->GetDefaultSearchProvider(), |
432 current_page_classification_, | 432 current_page_classification_, |
433 template_url_service_->search_terms_data(), | 433 template_url_service_->search_terms_data(), |
434 delegate_.get())) | 434 client_.get())) |
435 return false; | 435 return false; |
436 | 436 |
437 // If we cannot send URLs, then only the MostVisited and Personalized | 437 // If we cannot send URLs, then only the MostVisited and Personalized |
438 // variations can be shown. | 438 // variations can be shown. |
439 if (!OmniboxFieldTrial::InZeroSuggestMostVisitedFieldTrial() && | 439 if (!OmniboxFieldTrial::InZeroSuggestMostVisitedFieldTrial() && |
440 !OmniboxFieldTrial::InZeroSuggestPersonalizedFieldTrial()) | 440 !OmniboxFieldTrial::InZeroSuggestPersonalizedFieldTrial()) |
441 return false; | 441 return false; |
442 | 442 |
443 // Only show zero suggest for HTTP[S] pages. | 443 // Only show zero suggest for HTTP[S] pages. |
444 // TODO(mariakhomenko): We may be able to expand this set to include pages | 444 // TODO(mariakhomenko): We may be able to expand this set to include pages |
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461 if (!json_data.empty()) { | 461 if (!json_data.empty()) { |
462 scoped_ptr<base::Value> data( | 462 scoped_ptr<base::Value> data( |
463 SearchSuggestionParser::DeserializeJsonData(json_data)); | 463 SearchSuggestionParser::DeserializeJsonData(json_data)); |
464 if (data && ParseSuggestResults( | 464 if (data && ParseSuggestResults( |
465 *data, kDefaultZeroSuggestRelevance, false, &results_)) { | 465 *data, kDefaultZeroSuggestRelevance, false, &results_)) { |
466 ConvertResultsToAutocompleteMatches(); | 466 ConvertResultsToAutocompleteMatches(); |
467 results_from_cache_ = !matches_.empty(); | 467 results_from_cache_ = !matches_.empty(); |
468 } | 468 } |
469 } | 469 } |
470 } | 470 } |
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