chrome/browser/autocomplete/history_provider.h

   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
   3 // found in the LICENSE file.
   4
   5 #ifndef CHROME_BROWSER_AUTOCOMPLETE_HISTORY_PROVIDER_H_
   6 #define CHROME_BROWSER_AUTOCOMPLETE_HISTORY_PROVIDER_H_
   7
   8 #include "base/compiler_specific.h"
   9 #include "chrome/browser/history/in_memory_url_index_types.h"
  10 #include "components/omnibox/autocomplete_provider.h"
  11
  12 class AutocompleteInput;
  13 class Profile;
  14 struct AutocompleteMatch;
  15
  16 // This class is a base class for the history autocomplete providers and
  17 // provides functions useful to all derived classes.
  18 class HistoryProvider : public AutocompleteProvider {
  19  public:
  20   virtual void DeleteMatch(const AutocompleteMatch& match) OVERRIDE;
  21
  22   // Returns true if inline autocompletion should be prevented for URL-like
  23   // input.  This method returns true if input.prevent_inline_autocomplete()
  24   // is true or the input text contains trailing whitespace.
  25   static bool PreventInlineAutocomplete(const AutocompleteInput& input);
  26
  27  protected:
  28   HistoryProvider(Profile* profile, AutocompleteProvider::Type type);
  29   virtual ~HistoryProvider();
  30
  31   // Finds and removes the match from the current collection of matches and
  32   // backing data.
  33   void DeleteMatchFromMatches(const AutocompleteMatch& match);
  34
  35   // Fill and return an ACMatchClassifications structure given the |matches|
  36   // to highlight.
  37   static ACMatchClassifications SpansFromTermMatch(
  38       const history::TermMatches& matches,
  39       size_t text_length,
  40       bool is_url);
  41
  42   Profile* profile_;
  43 };
  44
  45 #endif  // CHROME_BROWSER_AUTOCOMPLETE_HISTORY_PROVIDER_H_