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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_PREFS_COMMAND_LINE_PREF_STORE_H_
6 #define CHROME_BROWSER_PREFS_COMMAND_LINE_PREF_STORE_H_
7 
8 #include "base/basictypes.h"
9 #include "base/command_line.h"
10 #include "base/prefs/value_map_pref_store.h"
11 #include "base/values.h"
12 
13 // This PrefStore keeps track of preferences set by command-line switches,
14 // such as proxy settings.
15 class CommandLinePrefStore : public ValueMapPrefStore {
16  public:
17   explicit CommandLinePrefStore(const base::CommandLine* command_line);
18 
19  protected:
20   virtual ~CommandLinePrefStore();
21 
22   // Logs a message and returns false if the proxy switches are
23   // self-contradictory. Protected so it can be used in unit testing.
24   bool ValidateProxySwitches();
25 
26  private:
27   friend class TestCommandLinePrefStore;
28 
29   struct StringSwitchToPreferenceMapEntry {
30     const char* switch_name;
31     const char* preference_path;
32   };
33 
34   struct PathSwitchToPreferenceMapEntry {
35     const char* switch_name;
36     const char* preference_path;
37   };
38 
39   struct IntegerSwitchToPreferenceMapEntry {
40     const char* switch_name;
41     const char* preference_path;
42   };
43 
44   // |set_value| indicates what the preference should be set to if the switch
45   // is present.
46   struct BooleanSwitchToPreferenceMapEntry {
47     const char* switch_name;
48     const char* preference_path;
49     bool set_value;
50   };
51 
52   // Using the string and boolean maps, apply command-line switches to their
53   // corresponding preferences in this pref store.
54   void ApplySimpleSwitches();
55 
56   // Determines the proxy mode preference from the given proxy switches.
57   void ApplyProxyMode();
58 
59   // Apply the SSL/TLS preferences from the given switches.
60   void ApplySSLSwitches();
61 
62   // Determines whether the background mode is force-disabled.
63   void ApplyBackgroundModeSwitches();
64 
65   // Weak reference.
66   const base::CommandLine* command_line_;
67 
68   // Mappings of command line switches to prefs.
69   static const BooleanSwitchToPreferenceMapEntry boolean_switch_map_[];
70   static const StringSwitchToPreferenceMapEntry string_switch_map_[];
71   static const PathSwitchToPreferenceMapEntry path_switch_map_[];
72   static const IntegerSwitchToPreferenceMapEntry integer_switch_map_[];
73 
74   DISALLOW_COPY_AND_ASSIGN(CommandLinePrefStore);
75 };
76 
77 #endif  // CHROME_BROWSER_PREFS_COMMAND_LINE_PREF_STORE_H_
78