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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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