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