autocomplete_classifier.h revision 4a5e2dc747d50c653511c68ccb2cfbfb740bd5a7 
1// Copyright (c) 2010 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_AUTOCOMPLETE_CLASSIFIER_H_
6#define CHROME_BROWSER_AUTOCOMPLETE_AUTOCOMPLETE_CLASSIFIER_H_
7#pragma once
8
9#include <string>
10
11#include "base/basictypes.h"
12#include "base/scoped_ptr.h"
13
14class AutocompleteController;
15struct AutocompleteMatch;
16class GURL;
17class Profile;
18
19class AutocompleteClassifier {
20 public:
21  explicit AutocompleteClassifier(Profile* profile);
22  virtual ~AutocompleteClassifier();
23
24  // Given some string |text| that the user wants to use for navigation,
25  // determines how it should be interpreted.  |desired_tld| is the user's
26  // desired TLD, if any; see AutocompleteInput::desired_tld().
27  // |allow_exact_keyword_match| should be true when treating the string as a
28  // potential keyword search is valid; see
29  // AutocompleteInput::allow_exact_keyword_match(). |match| should be a
30  // non-NULL outparam that will be set to the default match for this input, if
31  // any (for invalid input, there will be no default match, and |match| will be
32  // left unchanged).  |alternate_nav_url| is a possibly-NULL outparam that, if
33  // non-NULL, will be set to the navigational URL (if any) in case of an
34  // accidental search; see comments on
35  // AutocompleteResult::alternate_nav_url_ in autocomplete.h.
36  void Classify(const std::wstring& text,
37                const std::wstring& desired_tld,
38                bool allow_exact_keyword_match,
39                AutocompleteMatch* match,
40                GURL* alternate_nav_url);
41
42 private:
43  scoped_ptr<AutocompleteController> controller_;
44
45  DISALLOW_IMPLICIT_CONSTRUCTORS(AutocompleteClassifier);
46};
47
48#endif  // CHROME_BROWSER_AUTOCOMPLETE_AUTOCOMPLETE_CLASSIFIER_H_
49