chrome_frame/registry_list_preferences_holder.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 // A utility class for accessing and caching registry preferences that take
   6 // the form of lists of strings.
   7 // TODO(robertshield): Use the RegistryWatcher stuff to keep this list up to
   8 // date.
   9
  10 #ifndef CHROME_FRAME_REGISTRY_LIST_PREFERENCES_HOLDER_H_
  11 #define CHROME_FRAME_REGISTRY_LIST_PREFERENCES_HOLDER_H_
  12
  13 #include <windows.h>
  14
  15 #include <vector>
  16
  17 #include "base/string16.h"
  18
  19 class RegistryListPreferencesHolder {
  20  public:
  21   RegistryListPreferencesHolder();
  22
  23   // Initializes the RegistryListPreferencesHolder using the values stored
  24   // under the key |list_name| stored at |registry_path| under |hive|.
  25   void Init(HKEY hive,
  26             const wchar_t* registry_path,
  27             const wchar_t* list_name);
  28
  29   bool Valid() const { return valid_; }
  30
  31   // Returns true iff |string| matches any of the strings in values_, using the
  32   // matching logic in base's MatchPattern().
  33   bool ListMatches(const string16& string) const;
  34
  35   // Manually add a string to values_ for testing purposes.
  36   void AddStringForTesting(const string16& string);
  37
  38   // Reset the holder causing it to be re-initialized, for testing purposes
  39   // only.
  40   // TODO(robertshield): Remove this once the RegistryWatcher stuff is wired up.
  41   void ResetForTesting();
  42
  43  private:
  44   std::vector<string16> values_;
  45   bool valid_;
  46
  47   DISALLOW_COPY_AND_ASSIGN(RegistryListPreferencesHolder);
  48 };
  49
  50 #endif  // CHROME_FRAME_REGISTRY_LIST_PREFERENCES_HOLDER_H_