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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 keyword autocomplete provider. The keyword provider | 5 // This file contains the keyword autocomplete provider. The keyword provider |
| 6 // is responsible for remembering/suggesting user "search keyword queries" | 6 // is responsible for remembering/suggesting user "search keyword queries" |
| 7 // (e.g. "imdb Godzilla") and then fixing them up into valid URLs. An | 7 // (e.g. "imdb Godzilla") and then fixing them up into valid URLs. An |
| 8 // instance of it gets created and managed by the autocomplete controller. | 8 // instance of it gets created and managed by the autocomplete controller. |
| 9 // KeywordProvider uses a TemplateURLService to find the set of keywords. | 9 // KeywordProvider uses a TemplateURLService to find the set of keywords. |
| 10 | 10 |
| 11 #ifndef CHROME_BROWSER_AUTOCOMPLETE_KEYWORD_PROVIDER_H_ | 11 #ifndef CHROME_BROWSER_AUTOCOMPLETE_KEYWORD_PROVIDER_H_ |
| 12 #define CHROME_BROWSER_AUTOCOMPLETE_KEYWORD_PROVIDER_H_ | 12 #define CHROME_BROWSER_AUTOCOMPLETE_KEYWORD_PROVIDER_H_ |
| 13 | 13 |
| 14 #include <string> | 14 #include <string> |
| 15 | 15 |
| 16 #include "base/basictypes.h" | 16 #include "base/basictypes.h" |
| 17 #include "base/compiler_specific.h" | 17 #include "base/compiler_specific.h" |
| 18 #include "chrome/browser/autocomplete/autocomplete_input.h" | 18 #include "chrome/browser/autocomplete/autocomplete_input.h" |
| 19 #include "chrome/browser/autocomplete/autocomplete_provider.h" | 19 #include "chrome/browser/autocomplete/autocomplete_provider.h" |
| 20 #include "components/metrics/proto/omnibox_input_type.pb.h" |
| 20 #include "content/public/browser/notification_observer.h" | 21 #include "content/public/browser/notification_observer.h" |
| 21 #include "content/public/browser/notification_registrar.h" | 22 #include "content/public/browser/notification_registrar.h" |
| 22 | 23 |
| 23 class Profile; | 24 class Profile; |
| 24 class TemplateURL; | 25 class TemplateURL; |
| 25 class TemplateURLService; | 26 class TemplateURLService; |
| 26 | 27 |
| 27 // Autocomplete provider for keyword input. | 28 // Autocomplete provider for keyword input. |
| 28 // | 29 // |
| 29 // After construction, the autocomplete controller repeatedly calls Start() | 30 // After construction, the autocomplete controller repeatedly calls Start() |
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| 109 // Leading whitespace in |*remaining_input| will be trimmed. | 110 // Leading whitespace in |*remaining_input| will be trimmed. |
| 110 static bool ExtractKeywordFromInput(const AutocompleteInput& input, | 111 static bool ExtractKeywordFromInput(const AutocompleteInput& input, |
| 111 base::string16* keyword, | 112 base::string16* keyword, |
| 112 base::string16* remaining_input); | 113 base::string16* remaining_input); |
| 113 | 114 |
| 114 // Determines the relevance for some input, given its type, whether the user | 115 // Determines the relevance for some input, given its type, whether the user |
| 115 // typed the complete keyword, and whether the user is in "prefer keyword | 116 // typed the complete keyword, and whether the user is in "prefer keyword |
| 116 // matches" mode, and whether the keyword supports replacement. | 117 // matches" mode, and whether the keyword supports replacement. |
| 117 // If |allow_exact_keyword_match| is false, the relevance for complete | 118 // If |allow_exact_keyword_match| is false, the relevance for complete |
| 118 // keywords that support replacements is degraded. | 119 // keywords that support replacements is degraded. |
| 119 static int CalculateRelevance(AutocompleteInput::Type type, | 120 static int CalculateRelevance(metrics::OmniboxInputType::Type type, |
| 120 bool complete, | 121 bool complete, |
| 121 bool support_replacement, | 122 bool support_replacement, |
| 122 bool prefer_keyword, | 123 bool prefer_keyword, |
| 123 bool allow_exact_keyword_match); | 124 bool allow_exact_keyword_match); |
| 124 | 125 |
| 125 // Creates a fully marked-up AutocompleteMatch from the user's input. | 126 // Creates a fully marked-up AutocompleteMatch from the user's input. |
| 126 // If |relevance| is negative, calculate a relevance based on heuristics. | 127 // If |relevance| is negative, calculate a relevance based on heuristics. |
| 127 AutocompleteMatch CreateAutocompleteMatch( | 128 AutocompleteMatch CreateAutocompleteMatch( |
| 128 const TemplateURL* template_url, | 129 const TemplateURL* template_url, |
| 129 const AutocompleteInput& input, | 130 const AutocompleteInput& input, |
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| 168 // If non-empty, holds the ID of the extension whose keyword is currently in | 169 // If non-empty, holds the ID of the extension whose keyword is currently in |
| 169 // the URL bar while the autocomplete popup is open. | 170 // the URL bar while the autocomplete popup is open. |
| 170 std::string current_keyword_extension_id_; | 171 std::string current_keyword_extension_id_; |
| 171 | 172 |
| 172 content::NotificationRegistrar registrar_; | 173 content::NotificationRegistrar registrar_; |
| 173 | 174 |
| 174 DISALLOW_COPY_AND_ASSIGN(KeywordProvider); | 175 DISALLOW_COPY_AND_ASSIGN(KeywordProvider); |
| 175 }; | 176 }; |
| 176 | 177 |
| 177 #endif // CHROME_BROWSER_AUTOCOMPLETE_KEYWORD_PROVIDER_H_ | 178 #endif // CHROME_BROWSER_AUTOCOMPLETE_KEYWORD_PROVIDER_H_ |
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