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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 // This file contains the zero-suggest autocomplete provider. This experimental | 5 // This file contains the zero-suggest autocomplete provider. This experimental |
| 6 // provider is invoked when the user focuses in the omnibox prior to editing, | 6 // provider is invoked when the user focuses in the omnibox prior to editing, |
| 7 // and generates search query suggestions based on the current URL. To enable | 7 // and generates search query suggestions based on the current URL. To enable |
| 8 // this provider, point --experimental-zero-suggest-url-prefix at an | 8 // this provider, point --experimental-zero-suggest-url-prefix at an |
| 9 // appropriate suggestion service. | 9 // appropriate suggestion service. |
| 10 // | 10 // |
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| 67 // Sets |field_trial_triggered_| to false. | 67 // Sets |field_trial_triggered_| to false. |
| 68 virtual void ResetSession() OVERRIDE; | 68 virtual void ResetSession() OVERRIDE; |
| 69 | 69 |
| 70 // net::URLFetcherDelegate | 70 // net::URLFetcherDelegate |
| 71 virtual void OnURLFetchComplete(const net::URLFetcher* source) OVERRIDE; | 71 virtual void OnURLFetchComplete(const net::URLFetcher* source) OVERRIDE; |
| 72 | 72 |
| 73 // Initiates a new fetch for the given |url| of classification | 73 // Initiates a new fetch for the given |url| of classification |
| 74 // |page_classification|. |permanent_text| is the omnibox text | 74 // |page_classification|. |permanent_text| is the omnibox text |
| 75 // for the current page. | 75 // for the current page. |
| 76 void StartZeroSuggest( | 76 void StartZeroSuggest( |
| 77 const GURL& url, | 77 const GURL& curent_page_url, |
| 78 AutocompleteInput::PageClassification page_classification, | 78 AutocompleteInput::PageClassification page_classification, |
| 79 const string16& permanent_text); | 79 const string16& permanent_text); |
| 80 | 80 |
| 81 bool field_trial_triggered_in_session() const { | 81 bool field_trial_triggered_in_session() const { |
| 82 return field_trial_triggered_in_session_; | 82 return field_trial_triggered_in_session_; |
| 83 } | 83 } |
| 84 | 84 |
| 85 private: | 85 private: |
| 86 ZeroSuggestProvider(AutocompleteProviderListener* listener, | 86 ZeroSuggestProvider(AutocompleteProviderListener* listener, |
| 87 Profile* profile); | 87 Profile* profile); |
| 88 | 88 |
| 89 virtual ~ZeroSuggestProvider(); | 89 virtual ~ZeroSuggestProvider(); |
| 90 | 90 |
| 91 bool ShouldRunZeroSuggest( | |
| 92 const GURL& url, | |
| 93 AutocompleteInput::PageClassification page_classification) const; | |
| 94 | |
| 95 // Whether the URL can get Zero Suggest. For example, don't send the URL of | |
| 96 // non-Google HTTPS requests because it may contain sensitive information. | |
| 97 bool ShouldSendURL( | |
| 98 const GURL& url, | |
| 99 AutocompleteInput::PageClassification page_classification) const; | |
| 100 | |
| 101 // The 4 functions below (that take classes defined in SearchProvider as | 91 // The 4 functions below (that take classes defined in SearchProvider as |
| 102 // arguments) were copied and trimmed from SearchProvider. | 92 // arguments) were copied and trimmed from SearchProvider. |
| 103 // TODO(hfung): Refactor them into a new base class common to both | 93 // TODO(hfung): Refactor them into a new base class common to both |
| 104 // ZeroSuggestProvider and SearchProvider. | 94 // ZeroSuggestProvider and SearchProvider. |
| 105 | 95 |
| 106 // From the OpenSearch formatted response |root_val|, populate query | 96 // From the OpenSearch formatted response |root_val|, populate query |
| 107 // suggestions into |suggest_results|, navigation suggestions into | 97 // suggestions into |suggest_results|, navigation suggestions into |
| 108 // |navigation_results|, and the verbatim relevance score into | 98 // |navigation_results|, and the verbatim relevance score into |
| 109 // |verbatim_relevance|. | 99 // |verbatim_relevance|. |
| 110 void FillResults(const base::Value& root_val, | 100 void FillResults(const base::Value& root_val, |
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| 128 AutocompleteMatch::Type type, | 118 AutocompleteMatch::Type type, |
| 129 const TemplateURL* template_url, | 119 const TemplateURL* template_url, |
| 130 const string16& query_string, | 120 const string16& query_string, |
| 131 int accepted_suggestion, | 121 int accepted_suggestion, |
| 132 SearchProvider::MatchMap* map); | 122 SearchProvider::MatchMap* map); |
| 133 | 123 |
| 134 // Returns an AutocompleteMatch for a navigational suggestion |navigation|. | 124 // Returns an AutocompleteMatch for a navigational suggestion |navigation|. |
| 135 AutocompleteMatch NavigationToMatch( | 125 AutocompleteMatch NavigationToMatch( |
| 136 const SearchProvider::NavigationResult& navigation); | 126 const SearchProvider::NavigationResult& navigation); |
| 137 | 127 |
| 138 // Fetches zero-suggest suggestions for |current_query_|. | 128 // Fetches zero-suggest suggestions by sending a request using |suggest_url|. |
| 139 void Run(); | 129 void Run(const GURL& suggest_url); |
| 140 | 130 |
| 141 // Parses results from the zero-suggest server and updates results. | 131 // Parses results from the zero-suggest server and updates results. |
| 142 void ParseSuggestResults(const base::Value& root_val); | 132 void ParseSuggestResults(const base::Value& root_val); |
| 143 | 133 |
| 144 // Converts the parsed results to a set of AutocompleteMatches and adds them | 134 // Converts the parsed results to a set of AutocompleteMatches and adds them |
| 145 // to |matches_|. Also update the histograms for how many results were | 135 // to |matches_|. Also update the histograms for how many results were |
| 146 // received. | 136 // received. |
| 147 void ConvertResultsToAutocompleteMatches(); | 137 void ConvertResultsToAutocompleteMatches(); |
| 148 | 138 |
| 149 // Returns an AutocompleteMatch for the current URL. The match should be in | 139 // Returns an AutocompleteMatch for the current URL. The match should be in |
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| 196 | 186 |
| 197 history::MostVisitedURLList most_visited_urls_; | 187 history::MostVisitedURLList most_visited_urls_; |
| 198 | 188 |
| 199 // For callbacks that may be run after destruction. | 189 // For callbacks that may be run after destruction. |
| 200 base::WeakPtrFactory<ZeroSuggestProvider> weak_ptr_factory_; | 190 base::WeakPtrFactory<ZeroSuggestProvider> weak_ptr_factory_; |
| 201 | 191 |
| 202 DISALLOW_COPY_AND_ASSIGN(ZeroSuggestProvider); | 192 DISALLOW_COPY_AND_ASSIGN(ZeroSuggestProvider); |
| 203 }; | 193 }; |
| 204 | 194 |
| 205 #endif // CHROME_BROWSER_AUTOCOMPLETE_ZERO_SUGGEST_PROVIDER_H_ | 195 #endif // CHROME_BROWSER_AUTOCOMPLETE_ZERO_SUGGEST_PROVIDER_H_ |
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