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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. | 7 // and generates search query suggestions based on the current URL. |
8 | 8 |
9 #ifndef CHROME_BROWSER_AUTOCOMPLETE_ZERO_SUGGEST_PROVIDER_H_ | 9 #ifndef CHROME_BROWSER_AUTOCOMPLETE_ZERO_SUGGEST_PROVIDER_H_ |
10 #define CHROME_BROWSER_AUTOCOMPLETE_ZERO_SUGGEST_PROVIDER_H_ | 10 #define CHROME_BROWSER_AUTOCOMPLETE_ZERO_SUGGEST_PROVIDER_H_ |
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51 static ZeroSuggestProvider* Create(AutocompleteProviderListener* listener, | 51 static ZeroSuggestProvider* Create(AutocompleteProviderListener* listener, |
52 TemplateURLService* template_url_service, | 52 TemplateURLService* template_url_service, |
53 Profile* profile); | 53 Profile* profile); |
54 | 54 |
55 // Registers a preference used to cache zero suggest results. | 55 // Registers a preference used to cache zero suggest results. |
56 static void RegisterProfilePrefs(user_prefs::PrefRegistrySyncable* registry); | 56 static void RegisterProfilePrefs(user_prefs::PrefRegistrySyncable* registry); |
57 | 57 |
58 // AutocompleteProvider: | 58 // AutocompleteProvider: |
59 virtual void Start(const AutocompleteInput& input, | 59 virtual void Start(const AutocompleteInput& input, |
60 bool minimal_changes) OVERRIDE; | 60 bool minimal_changes) OVERRIDE; |
| 61 virtual void Stop(bool clear_cached_results) OVERRIDE; |
61 virtual void DeleteMatch(const AutocompleteMatch& match) OVERRIDE; | 62 virtual void DeleteMatch(const AutocompleteMatch& match) OVERRIDE; |
| 63 virtual void AddProviderInfo(ProvidersInfo* provider_info) const OVERRIDE; |
62 | 64 |
63 // Sets |field_trial_triggered_| to false. | 65 // Sets |field_trial_triggered_| to false. |
64 virtual void ResetSession() OVERRIDE; | 66 virtual void ResetSession() OVERRIDE; |
65 | 67 |
66 protected: | |
67 // BaseSearchProvider: | |
68 virtual void ModifyProviderInfo( | |
69 metrics::OmniboxEventProto_ProviderInfo* provider_info) const OVERRIDE; | |
70 | |
71 private: | 68 private: |
72 ZeroSuggestProvider(AutocompleteProviderListener* listener, | 69 ZeroSuggestProvider(AutocompleteProviderListener* listener, |
73 TemplateURLService* template_url_service, | 70 TemplateURLService* template_url_service, |
74 Profile* profile); | 71 Profile* profile); |
75 | 72 |
76 virtual ~ZeroSuggestProvider(); | 73 virtual ~ZeroSuggestProvider(); |
77 | 74 |
78 // BaseSearchProvider: | 75 // BaseSearchProvider: |
79 virtual const TemplateURL* GetTemplateURL(bool is_keyword) const OVERRIDE; | 76 virtual const TemplateURL* GetTemplateURL(bool is_keyword) const OVERRIDE; |
80 virtual const AutocompleteInput GetInput(bool is_keyword) const OVERRIDE; | 77 virtual const AutocompleteInput GetInput(bool is_keyword) const OVERRIDE; |
81 virtual bool ShouldAppendExtraParams( | 78 virtual bool ShouldAppendExtraParams( |
82 const SearchSuggestionParser::SuggestResult& result) const OVERRIDE; | 79 const SearchSuggestionParser::SuggestResult& result) const OVERRIDE; |
83 virtual void StopSuggest() OVERRIDE; | |
84 virtual void ClearAllResults() OVERRIDE; | |
85 virtual void RecordDeletionResult(bool success) OVERRIDE; | 80 virtual void RecordDeletionResult(bool success) OVERRIDE; |
86 | 81 |
87 // net::URLFetcherDelegate: | 82 // net::URLFetcherDelegate: |
88 virtual void OnURLFetchComplete(const net::URLFetcher* source) OVERRIDE; | 83 virtual void OnURLFetchComplete(const net::URLFetcher* source) OVERRIDE; |
89 | 84 |
90 // Optionally, cache the received |json_data| and return true if we want | 85 // Optionally, cache the received |json_data| and return true if we want |
91 // to stop processing results at this point. The |parsed_data| is the parsed | 86 // to stop processing results at this point. The |parsed_data| is the parsed |
92 // version of |json_data| used to determine if we received an empty result. | 87 // version of |json_data| used to determine if we received an empty result. |
93 bool StoreSuggestionResponse(const std::string& json_data, | 88 bool StoreSuggestionResponse(const std::string& json_data, |
94 const base::Value& parsed_data); | 89 const base::Value& parsed_data); |
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160 | 155 |
161 history::MostVisitedURLList most_visited_urls_; | 156 history::MostVisitedURLList most_visited_urls_; |
162 | 157 |
163 // For callbacks that may be run after destruction. | 158 // For callbacks that may be run after destruction. |
164 base::WeakPtrFactory<ZeroSuggestProvider> weak_ptr_factory_; | 159 base::WeakPtrFactory<ZeroSuggestProvider> weak_ptr_factory_; |
165 | 160 |
166 DISALLOW_COPY_AND_ASSIGN(ZeroSuggestProvider); | 161 DISALLOW_COPY_AND_ASSIGN(ZeroSuggestProvider); |
167 }; | 162 }; |
168 | 163 |
169 #endif // CHROME_BROWSER_AUTOCOMPLETE_ZERO_SUGGEST_PROVIDER_H_ | 164 #endif // CHROME_BROWSER_AUTOCOMPLETE_ZERO_SUGGEST_PROVIDER_H_ |
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