chrome/browser/content_settings/content_settings_internal_extension_provider.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 #ifndef CHROME_BROWSER_CONTENT_SETTINGS_CONTENT_SETTINGS_INTERNAL_EXTENSION_PROVIDER_H_
   6 #define CHROME_BROWSER_CONTENT_SETTINGS_CONTENT_SETTINGS_INTERNAL_EXTENSION_PROVIDER_H_
   7
   8 #include "base/memory/scoped_ptr.h"
   9 #include "base/synchronization/lock.h"
  10 #include "components/content_settings/core/browser/content_settings_observable_provider.h"
  11 #include "components/content_settings/core/browser/content_settings_origin_identifier_value_map.h"
  12 #include "components/content_settings/core/common/content_settings.h"
  13 #include "content/public/browser/notification_observer.h"
  14 #include "content/public/browser/notification_registrar.h"
  15
  16 class Profile;
  17
  18 namespace extensions {
  19 class Extension;
  20 }
  21
  22 namespace content_settings {
  23
  24 // A content settings provider which disables certain plugins for platform apps.
  25 class InternalExtensionProvider : public ObservableProvider,
  26                                   public content::NotificationObserver {
  27  public:
  28   explicit InternalExtensionProvider(Profile* profile);
  29
  30   ~InternalExtensionProvider() override;
  31
  32   // ProviderInterface methods:
  33   RuleIterator* GetRuleIterator(ContentSettingsType content_type,
  34                                 const ResourceIdentifier& resource_identifier,
  35                                 bool incognito) const override;
  36
  37   bool SetWebsiteSetting(const ContentSettingsPattern& primary_pattern,
  38                          const ContentSettingsPattern& secondary_pattern,
  39                          ContentSettingsType content_type,
  40                          const ResourceIdentifier& resource_identifier,
  41                          base::Value* value) override;
  42
  43   void ClearAllContentSettingsRules(ContentSettingsType content_type) override;
  44
  45   void ShutdownOnUIThread() override;
  46
  47   // content::NotificationObserver implementation.
  48   void Observe(int type,
  49                const content::NotificationSource& source,
  50                const content::NotificationDetails& details) override;
  51
  52  private:
  53   void SetContentSettingForExtension(const extensions::Extension* extension,
  54                                      ContentSetting setting);
  55   void SetContentSettingForExtensionAndResource(
  56       const extensions::Extension* extension,
  57       const ResourceIdentifier& resource,
  58       ContentSetting setting);
  59
  60   OriginIdentifierValueMap value_map_;
  61
  62   // Used around accesses to the |value_map_| list to guarantee thread safety.
  63   mutable base::Lock lock_;
  64   scoped_ptr<content::NotificationRegistrar> registrar_;
  65
  66   DISALLOW_COPY_AND_ASSIGN(InternalExtensionProvider);
  67 };
  68
  69 }  // namespace content_settings
  70
  71 #endif  // CHROME_BROWSER_CONTENT_SETTINGS_CONTENT_SETTINGS_INTERNAL_EXTENSION_PROVIDER_H_