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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 #ifndef CHROME_BROWSER_AUTOCOMPLETE_SHORTCUTS_PROVIDER_H_ | 5 #ifndef CHROME_BROWSER_AUTOCOMPLETE_SHORTCUTS_PROVIDER_H_ |
6 #define CHROME_BROWSER_AUTOCOMPLETE_SHORTCUTS_PROVIDER_H_ | 6 #define CHROME_BROWSER_AUTOCOMPLETE_SHORTCUTS_PROVIDER_H_ |
7 | 7 |
8 #include <map> | 8 #include <map> |
9 #include <set> | 9 #include <set> |
10 #include <string> | 10 #include <string> |
11 | 11 |
12 #include "base/gtest_prod_util.h" | 12 #include "base/gtest_prod_util.h" |
13 #include "chrome/browser/autocomplete/autocomplete_provider.h" | 13 #include "chrome/browser/autocomplete/autocomplete_provider.h" |
14 #include "chrome/browser/autocomplete/url_prefix.h" | |
15 #include "chrome/browser/history/shortcuts_backend.h" | 14 #include "chrome/browser/history/shortcuts_backend.h" |
16 | 15 |
17 class Profile; | 16 class Profile; |
18 | 17 |
19 namespace history { | 18 namespace history { |
20 class ShortcutsProviderTest; | 19 class ShortcutsProviderTest; |
21 } | 20 } |
22 | 21 |
23 // Provider of recently autocompleted links. Provides autocomplete suggestions | 22 // Provider of recently autocompleted links. Provides autocomplete suggestions |
24 // from previously selected suggestions. The more often a user selects a | 23 // from previously selected suggestions. The more often a user selects a |
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44 typedef std::multimap<char16, base::string16> WordMap; | 43 typedef std::multimap<char16, base::string16> WordMap; |
45 | 44 |
46 virtual ~ShortcutsProvider(); | 45 virtual ~ShortcutsProvider(); |
47 | 46 |
48 // ShortcutsBackendObserver: | 47 // ShortcutsBackendObserver: |
49 virtual void OnShortcutsLoaded() OVERRIDE; | 48 virtual void OnShortcutsLoaded() OVERRIDE; |
50 | 49 |
51 // Performs the autocomplete matching and scoring. | 50 // Performs the autocomplete matching and scoring. |
52 void GetMatches(const AutocompleteInput& input); | 51 void GetMatches(const AutocompleteInput& input); |
53 | 52 |
54 // Returns an AutocompleteMatch corresponding to |shortcut|. Assigns it | 53 // Returns an AutocompleteMatch corresponding to |shortcut|. Assigns it |
55 // |relevance| score in the process, and highlights the description and | 54 // |relevance| score in the process, and highlights the description |
56 // contents against |term_string|, which should be the lower-cased version | 55 // and contents against |term_string|, which should be the lower-cased |
57 // of the user's input. |term_string| and |fixed_up_term_string| are used | 56 // version of the user's input. If |prevent_inline_autocomplete|, no |
58 // to decide what can be inlined. If |prevent_inline_autocomplete|, no | |
59 // matches with inline completions will be allowed to be the default match. | 57 // matches with inline completions will be allowed to be the default match. |
60 AutocompleteMatch ShortcutToACMatch( | 58 AutocompleteMatch ShortcutToACMatch( |
61 const history::ShortcutsBackend::Shortcut& shortcut, | 59 const history::ShortcutsBackend::Shortcut& shortcut, |
62 int relevance, | 60 int relevance, |
63 const base::string16& term_string, | 61 const base::string16& term_string, |
64 const base::string16& fixed_up_term_string, | 62 bool prevent_inline_autocomplete); |
65 const bool prevent_inline_autocomplete); | |
66 | 63 |
67 // Returns a map mapping characters to groups of words from |text| that start | 64 // Returns a map mapping characters to groups of words from |text| that start |
68 // with those characters, ordered lexicographically descending so that longer | 65 // with those characters, ordered lexicographically descending so that longer |
69 // words appear before their prefixes (if any) within a particular | 66 // words appear before their prefixes (if any) within a particular |
70 // equal_range(). | 67 // equal_range(). |
71 static WordMap CreateWordMapForString(const base::string16& text); | 68 static WordMap CreateWordMapForString(const base::string16& text); |
72 | 69 |
73 // Given |text| and a corresponding base set of classifications | 70 // Given |text| and a corresponding base set of classifications |
74 // |original_class|, adds ACMatchClassification::MATCH markers for all | 71 // |original_class|, adds ACMatchClassification::MATCH markers for all |
75 // instances of the words from |find_words| within |text| and returns the | 72 // instances of the words from |find_words| within |text| and returns the |
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100 // Returns shortcuts_map_.end() if there are no matches. | 97 // Returns shortcuts_map_.end() if there are no matches. |
101 history::ShortcutsBackend::ShortcutMap::const_iterator FindFirstMatch( | 98 history::ShortcutsBackend::ShortcutMap::const_iterator FindFirstMatch( |
102 const base::string16& keyword, | 99 const base::string16& keyword, |
103 history::ShortcutsBackend* backend); | 100 history::ShortcutsBackend* backend); |
104 | 101 |
105 int CalculateScore( | 102 int CalculateScore( |
106 const base::string16& terms, | 103 const base::string16& terms, |
107 const history::ShortcutsBackend::Shortcut& shortcut, | 104 const history::ShortcutsBackend::Shortcut& shortcut, |
108 int max_relevance); | 105 int max_relevance); |
109 | 106 |
110 // Like URLPrefix::BestURLPrefix() except also handles the prefix of | |
111 // "www.". This is needed because sometimes the string we're matching | |
112 // against here (which comes from |fill_into_edit|) can start with | |
113 // "www." without having a protocol at the beginning. Because "www." | |
114 // is not on the default prefix list, we test for it explicitly here | |
115 // and use that match if the default list didn't have a match or the | |
116 // default list's match was shorter than it could've been. | |
117 const URLPrefix* BestURLPrefixWithWWWCase( | |
118 const base::string16& text, | |
119 const base::string16& prefix_suffix) const; | |
120 | |
121 std::string languages_; | 107 std::string languages_; |
122 bool initialized_; | 108 bool initialized_; |
123 URLPrefix www_prefix_; | |
124 }; | 109 }; |
125 | 110 |
126 #endif // CHROME_BROWSER_AUTOCOMPLETE_SHORTCUTS_PROVIDER_H_ | 111 #endif // CHROME_BROWSER_AUTOCOMPLETE_SHORTCUTS_PROVIDER_H_ |
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