chrome/browser/content_settings/content_settings_supervised_provider.h

   1 // Copyright (c) 2015 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_CONTENT_SETTINGS_CONTENT_SETTINGS_SUPERVISED_PROVIDER_H_
   6 #define CHROME_BROWSER_CONTENT_SETTINGS_CONTENT_SETTINGS_SUPERVISED_PROVIDER_H_
   7
   8 // A content setting provider that is set by the custodian of a supervised user.
   9
  10 #include "base/synchronization/lock.h"
  11 #include "components/content_settings/core/browser/content_settings_binary_value_map.h"
  12 #include "components/content_settings/core/browser/content_settings_observable_provider.h"
  13
  14 class PrefService;
  15 class SupervisedUserSettingsService;
  16
  17 namespace content_settings {
  18
  19 // SupervisedProvider that provides content-settings managed by the custodian
  20 // of a supervised user.
  21 class SupervisedProvider : public ObservableProvider {
  22  public:
  23   explicit SupervisedProvider(
  24       SupervisedUserSettingsService* supervised_user_settings_service);
  25   ~SupervisedProvider() override;
  26
  27   // ProviderInterface implementations.
  28   RuleIterator* GetRuleIterator(ContentSettingsType content_type,
  29                                 const ResourceIdentifier& resource_identifier,
  30                                 bool incognito) const override;
  31
  32   bool SetWebsiteSetting(const ContentSettingsPattern& primary_pattern,
  33                          const ContentSettingsPattern& secondary_pattern,
  34                          ContentSettingsType content_type,
  35                          const ResourceIdentifier& resource_identifier,
  36                          base::Value* value) override;
  37
  38   void ClearAllContentSettingsRules(ContentSettingsType content_type) override;
  39
  40   void ShutdownOnUIThread() override;
  41
  42   // Callback on receiving settings from the supervised user settings service.
  43   void OnSupervisedSettingsAvailable(const base::DictionaryValue* settings);
  44
  45  private:
  46   BinaryValueMap value_map_;
  47
  48   // Used around accesses to the |value_map_| object to guarantee
  49   // thread safety.
  50   mutable base::Lock lock_;
  51
  52   base::WeakPtrFactory<SupervisedProvider> weak_ptr_factory_;
  53
  54   DISALLOW_COPY_AND_ASSIGN(SupervisedProvider);
  55 };
  56
  57 }  // namespace content_settings
  58
  59 #endif  // CHROME_BROWSER_CONTENT_SETTINGS_CONTENT_SETTINGS_SUPERVISED_PROVIDER_H_