1// Copyright (c) 2011 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_PREFS_COMMAND_LINE_PREF_STORE_H_
6#define CHROME_BROWSER_PREFS_COMMAND_LINE_PREF_STORE_H_
7#pragma once
8
9#include "base/basictypes.h"
10#include "base/command_line.h"
11#include "base/memory/scoped_ptr.h"
12#include "base/values.h"
13#include "chrome/browser/prefs/value_map_pref_store.h"
14
15class DictionaryValue;
16
17// This PrefStore keeps track of preferences set by command-line switches,
18// such as proxy settings.
19class CommandLinePrefStore : public ValueMapPrefStore {
20 public:
21  explicit CommandLinePrefStore(const CommandLine* command_line);
22  virtual ~CommandLinePrefStore();
23
24 protected:
25  // Logs a message and returns false if the proxy switches are
26  // self-contradictory. Protected so it can be used in unit testing.
27  bool ValidateProxySwitches();
28
29 private:
30  struct StringSwitchToPreferenceMapEntry {
31    const char* switch_name;
32    const char* preference_path;
33  };
34
35  // |set_value| indicates what the preference should be set to if the switch
36  // is present.
37  struct BooleanSwitchToPreferenceMapEntry {
38    const char* switch_name;
39    const char* preference_path;
40    bool set_value;
41  };
42  static const BooleanSwitchToPreferenceMapEntry boolean_switch_map_[];
43
44  // Using the string and boolean maps, apply command-line switches to their
45  // corresponding preferences in this pref store.
46  void ApplySimpleSwitches();
47
48  // Determines the proxy mode preference from the given proxy switches.
49  void ApplyProxyMode();
50
51  // Weak reference.
52  const CommandLine* command_line_;
53
54  static const StringSwitchToPreferenceMapEntry string_switch_map_[];
55
56  DISALLOW_COPY_AND_ASSIGN(CommandLinePrefStore);
57};
58
59#endif  // CHROME_BROWSER_PREFS_COMMAND_LINE_PREF_STORE_H_
60