OLD | NEW |
---|---|
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 // |
(...skipping 63 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... | |
74 // BaseSearchProvider: | 74 // BaseSearchProvider: |
75 virtual const TemplateURL* GetTemplateURL( | 75 virtual const TemplateURL* GetTemplateURL( |
76 const SuggestResult& result) const OVERRIDE; | 76 const SuggestResult& result) const OVERRIDE; |
77 virtual const AutocompleteInput GetInput( | 77 virtual const AutocompleteInput GetInput( |
78 const SuggestResult& result) const OVERRIDE; | 78 const SuggestResult& result) const OVERRIDE; |
79 virtual bool ShouldAppendExtraParams( | 79 virtual bool ShouldAppendExtraParams( |
80 const SuggestResult& result) const OVERRIDE; | 80 const SuggestResult& result) const OVERRIDE; |
81 virtual void StopSuggest() OVERRIDE; | 81 virtual void StopSuggest() OVERRIDE; |
82 virtual void ClearAllResults() OVERRIDE; | 82 virtual void ClearAllResults() OVERRIDE; |
83 | 83 |
84 // The 4 functions below (that take classes defined in SearchProvider as | |
85 // arguments) were copied and trimmed from SearchProvider. | |
86 // TODO(hfung): Refactor them into a new base class common to both | |
H Fung
2014/02/19 06:33:31
I think the comment and TODO are still valid, exce
Maria
2014/02/19 18:25:53
I figure that rather than keep updating the countd
| |
87 // ZeroSuggestProvider and SearchProvider. | |
88 | |
89 // From the OpenSearch formatted response |root_val|, populate query | |
90 // suggestions into |suggest_results|, navigation suggestions into | |
91 // |navigation_results|, and the verbatim relevance score into | |
92 // |verbatim_relevance|. | |
93 void FillResults(const base::Value& root_val, | |
94 int* verbatim_relevance, | |
95 SuggestResults* suggest_results, | |
96 NavigationResults* navigation_results); | |
97 | |
98 // Adds AutocompleteMatches for each of the suggestions in |results| to | 84 // Adds AutocompleteMatches for each of the suggestions in |results| to |
99 // |map|. | 85 // |map|. |
100 void AddSuggestResultsToMap(const SuggestResults& results, | 86 void AddSuggestResultsToMap(const SuggestResults& results, |
101 MatchMap* map); | 87 MatchMap* map); |
102 | 88 |
103 // Returns an AutocompleteMatch for a navigational suggestion |navigation|. | 89 // Returns an AutocompleteMatch for a navigational suggestion |navigation|. |
104 AutocompleteMatch NavigationToMatch(const NavigationResult& navigation); | 90 AutocompleteMatch NavigationToMatch(const NavigationResult& navigation); |
105 | 91 |
106 // Fetches zero-suggest suggestions by sending a request using |suggest_url|. | 92 // Fetches zero-suggest suggestions by sending a request using |suggest_url|. |
107 void Run(const GURL& suggest_url); | 93 void Run(const GURL& suggest_url); |
108 | 94 |
109 // Parses results from the zero-suggest server and updates results. | 95 // Parses results from the zero-suggest server and updates |results_|. |
110 void ParseSuggestResults(const base::Value& root_val); | 96 void ParseSuggestResults(const base::Value& root_val); |
111 | 97 |
112 // Converts the parsed results to a set of AutocompleteMatches and adds them | 98 // Converts the parsed results to a set of AutocompleteMatches and adds them |
113 // to |matches_|. Also update the histograms for how many results were | 99 // to |matches_|. Also update the histograms for how many results were |
114 // received. | 100 // received. |
115 void ConvertResultsToAutocompleteMatches(); | 101 void ConvertResultsToAutocompleteMatches(); |
116 | 102 |
117 // Returns an AutocompleteMatch for the current URL. The match should be in | 103 // Returns an AutocompleteMatch for the current URL. The match should be in |
118 // the top position so that pressing enter has the effect of reloading the | 104 // the top position so that pressing enter has the effect of reloading the |
119 // page. | 105 // page. |
120 AutocompleteMatch MatchForCurrentURL(); | 106 AutocompleteMatch MatchForCurrentURL(); |
121 | 107 |
122 // When the user is in the Most Visited field trial, we ask the TopSites | 108 // When the user is in the Most Visited field trial, we ask the TopSites |
123 // service for the most visited URLs during Run(). It calls back to this | 109 // service for the most visited URLs during Run(). It calls back to this |
124 // function to return those |urls|. | 110 // function to return those |urls|. |
125 void OnMostVisitedUrlsAvailable(const history::MostVisitedURLList& urls); | 111 void OnMostVisitedUrlsAvailable(const history::MostVisitedURLList& urls); |
126 | 112 |
113 // Returns the relevance score for the verbatim result. | |
114 int GetVerbatimRelevance() const; | |
115 | |
127 // Used to build default search engine URLs for suggested queries. | 116 // Used to build default search engine URLs for suggested queries. |
128 TemplateURLService* template_url_service_; | 117 TemplateURLService* template_url_service_; |
129 | 118 |
130 // The URL for which a suggestion fetch is pending. | 119 // The URL for which a suggestion fetch is pending. |
131 std::string current_query_; | 120 std::string current_query_; |
132 | 121 |
133 // The type of page the user is viewing (a search results page doing search | 122 // The type of page the user is viewing (a search results page doing search |
134 // term replacement, an arbitrary URL, etc.). | 123 // term replacement, an arbitrary URL, etc.). |
135 AutocompleteInput::PageClassification current_page_classification_; | 124 AutocompleteInput::PageClassification current_page_classification_; |
136 | 125 |
137 // Copy of OmniboxEditModel::permanent_text_. | 126 // Copy of OmniboxEditModel::permanent_text_. |
138 base::string16 permanent_text_; | 127 base::string16 permanent_text_; |
139 | 128 |
140 // Fetcher used to retrieve results. | 129 // Fetcher used to retrieve results. |
141 scoped_ptr<net::URLFetcher> fetcher_; | 130 scoped_ptr<net::URLFetcher> fetcher_; |
142 // Whether there's a pending request in flight. | 131 // Whether there's a pending request in flight. |
143 bool have_pending_request_; | 132 bool have_pending_request_; |
144 | 133 |
145 // Suggestion for the current URL. | 134 // Suggestion for the current URL. |
146 AutocompleteMatch current_url_match_; | 135 AutocompleteMatch current_url_match_; |
147 // Navigation suggestions for the most recent ZeroSuggest input URL. | 136 |
148 NavigationResults navigation_results_; | 137 // Contains suggest and navigation results as well as relevance parsed from |
149 // Query suggestions for the most recent ZeroSuggest input URL. | 138 // the response for the most recent zero suggest input URL. |
150 MatchMap query_matches_map_; | 139 Results results_; |
151 // The relevance score for the URL of the current page. | |
152 int verbatim_relevance_; | |
153 | 140 |
154 history::MostVisitedURLList most_visited_urls_; | 141 history::MostVisitedURLList most_visited_urls_; |
155 | 142 |
156 // For callbacks that may be run after destruction. | 143 // For callbacks that may be run after destruction. |
157 base::WeakPtrFactory<ZeroSuggestProvider> weak_ptr_factory_; | 144 base::WeakPtrFactory<ZeroSuggestProvider> weak_ptr_factory_; |
158 | 145 |
159 DISALLOW_COPY_AND_ASSIGN(ZeroSuggestProvider); | 146 DISALLOW_COPY_AND_ASSIGN(ZeroSuggestProvider); |
160 }; | 147 }; |
161 | 148 |
162 #endif // CHROME_BROWSER_AUTOCOMPLETE_ZERO_SUGGEST_PROVIDER_H_ | 149 #endif // CHROME_BROWSER_AUTOCOMPLETE_ZERO_SUGGEST_PROVIDER_H_ |
OLD | NEW |