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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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63 | 63 |
64 // Adds provider-specific information to omnibox event logs. | 64 // Adds provider-specific information to omnibox event logs. |
65 virtual void AddProviderInfo(ProvidersInfo* provider_info) const OVERRIDE; | 65 virtual void AddProviderInfo(ProvidersInfo* provider_info) const OVERRIDE; |
66 | 66 |
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|. |omnibox_context| is the |
74 // |page_classification|. |permanent_text| is the omnibox text | 74 // current user context. |permanent_text| is the omnibox text for the current |
75 // for the current page. | 75 // page. |
76 void StartZeroSuggest( | 76 void StartZeroSuggest( |
77 const GURL& url, | 77 const GURL& url, |
78 AutocompleteInput::PageClassification page_classification, | 78 AutocompleteInput::OmniboxContext omnibox_context, |
79 const string16& permanent_text); | 79 const string16& permanent_text); |
80 | 80 |
81 private: | 81 private: |
82 ZeroSuggestProvider(AutocompleteProviderListener* listener, | 82 ZeroSuggestProvider(AutocompleteProviderListener* listener, |
83 Profile* profile); | 83 Profile* profile); |
84 | 84 |
85 virtual ~ZeroSuggestProvider(); | 85 virtual ~ZeroSuggestProvider(); |
86 | 86 |
87 bool ShouldRunZeroSuggest(const GURL& url) const; | 87 bool ShouldRunZeroSuggest(const GURL& url) const; |
88 | 88 |
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140 AutocompleteMatch MatchForCurrentURL(); | 140 AutocompleteMatch MatchForCurrentURL(); |
141 | 141 |
142 // Used to build default search engine URLs for suggested queries. | 142 // Used to build default search engine URLs for suggested queries. |
143 TemplateURLService* template_url_service_; | 143 TemplateURLService* template_url_service_; |
144 | 144 |
145 // The URL for which a suggestion fetch is pending. | 145 // The URL for which a suggestion fetch is pending. |
146 std::string current_query_; | 146 std::string current_query_; |
147 | 147 |
148 // The type of page the user is viewing (a search results page doing search | 148 // The type of page the user is viewing (a search results page doing search |
149 // term replacement, an arbitrary URL, etc.). | 149 // term replacement, an arbitrary URL, etc.). |
150 AutocompleteInput::PageClassification current_page_classification_; | 150 AutocompleteInput::OmniboxContext omnibox_context_; |
151 | 151 |
152 // Copy of OmniboxEditModel::permanent_text_. | 152 // Copy of OmniboxEditModel::permanent_text_. |
153 string16 permanent_text_; | 153 string16 permanent_text_; |
154 | 154 |
155 // Fetcher used to retrieve results. | 155 // Fetcher used to retrieve results. |
156 scoped_ptr<net::URLFetcher> fetcher_; | 156 scoped_ptr<net::URLFetcher> fetcher_; |
157 // Whether there's a pending request in flight. | 157 // Whether there's a pending request in flight. |
158 bool have_pending_request_; | 158 bool have_pending_request_; |
159 | 159 |
160 // Suggestion for the current URL. | 160 // Suggestion for the current URL. |
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174 // Whether a zero suggest request triggered a field trial in the omnibox | 174 // Whether a zero suggest request triggered a field trial in the omnibox |
175 // session. The user could have clicked on a suggestion when zero suggest | 175 // session. The user could have clicked on a suggestion when zero suggest |
176 // triggered (same condition as field_trial_triggered_), or triggered zero | 176 // triggered (same condition as field_trial_triggered_), or triggered zero |
177 // suggest but kept typing. | 177 // suggest but kept typing. |
178 bool field_trial_triggered_in_session_; | 178 bool field_trial_triggered_in_session_; |
179 | 179 |
180 DISALLOW_COPY_AND_ASSIGN(ZeroSuggestProvider); | 180 DISALLOW_COPY_AND_ASSIGN(ZeroSuggestProvider); |
181 }; | 181 }; |
182 | 182 |
183 #endif // CHROME_BROWSER_AUTOCOMPLETE_ZERO_SUGGEST_PROVIDER_H_ | 183 #endif // CHROME_BROWSER_AUTOCOMPLETE_ZERO_SUGGEST_PROVIDER_H_ |
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