Implemented substring matching within page titles. Fixed bug where URL was be...

chrome/browser/autocomplete/history_quick_provider.h

 // Copyright (c) 2011 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef CHROME_BROWSER_AUTOCOMPLETE_HISTORY_QUICK_PROVIDER_H_
 #define CHROME_BROWSER_AUTOCOMPLETE_HISTORY_QUICK_PROVIDER_H_
 #pragma once
 
 #include <string>
 
+#include "chrome/browser/autocomplete/autocomplete_match.h"
 #include "chrome/browser/autocomplete/history_provider.h"
 #include "chrome/browser/history/history_types.h"
 #include "chrome/browser/history/in_memory_url_index.h"
 
 class Profile;
+class TermMatches;
 
 namespace history {
 class HistoryBackend;
 }  // namespace history
 
 // This class is an autocomplete provider (a pseudo-internal component of
 // the history system) which quickly (and synchronously) provides matching
 // results from recently or frequently visited sites in the profile's
 // history.
 class HistoryQuickProvider : public HistoryProvider {
  public:
   HistoryQuickProvider(ACProviderListener* listener, Profile* profile);
 
   ~HistoryQuickProvider();
 
   // AutocompleteProvider. |minimal_changes| is ignored since there
   // is no asynch completion performed.
   virtual void Start(const AutocompleteInput& input,
                      bool minimal_changes) OVERRIDE;
 
   virtual void DeleteMatch(const AutocompleteMatch& match) OVERRIDE;
 
   // Performs the autocomplete matching and scoring.
   void DoAutocomplete();
 
  private:
   friend class HistoryQuickProviderTest;
+  FRIEND_TEST_ALL_PREFIXES(HistoryQuickProviderTest, Spans);
 
   AutocompleteMatch QuickMatchToACMatch(
       const history::ScoredHistoryMatch& history_match,
-      MatchType match_type,
       size_t match_number);
 
-  // Breaks a string down into individual words and return as a vector with
-  // the individual words in their original order.
-  static history::InMemoryURLIndex::String16Vector WordVectorFromString16(
-      const string16& uni_string);
-
   // Determines the relevance for some input, given its type and which match it
   // is.  If |match_type| is NORMAL, |match_number| is a number
   // [0, kMaxSuggestions) indicating the relevance of the match (higher == more
   // relevant).  For other values of |match_type|, |match_number| is ignored.
   static int CalculateRelevance(int raw_score,
                                 AutocompleteInput::Type input_type,
                                 MatchType match_type,
                                 size_t match_number);
 
   // Returns the index that should be used for history lookups.
   history::InMemoryURLIndex* GetIndex();
 
+  // Fill and return an ACMatchClassifications structure given the term
+  // matches (|matches|) to highlight where terms were found. |adjust| is
+  // subtracted form each offset and is used to account for any leading
+  // 'http://' in the potential result.
+  static ACMatchClassifications SpansFromTermMatch(
+      const history::TermMatches& matches,
+      size_t text_length,
+      size_t adjust);
+
   // Only for use in unittests.  Takes ownership of |index|.
   void SetIndexForTesting(history::InMemoryURLIndex* index);
   AutocompleteInput autocomplete_input_;
-  bool trim_http_;
   std::string languages_;
 
   // Only used for testing.
   scoped_ptr<history::InMemoryURLIndex> index_for_testing_;
 };
 
 #endif  // CHROME_BROWSER_AUTOCOMPLETE_HISTORY_QUICK_PROVIDER_H_