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 <set>
   9 #include <string>
  10
  11 #include "base/memory/scoped_ptr.h"
  12 #include "base/synchronization/lock.h"
  13 #include "components/content_settings/core/browser/content_settings_observable_provider.h"
  14 #include "components/content_settings/core/browser/content_settings_origin_identifier_value_map.h"
  15 #include "components/content_settings/core/common/content_settings.h"
  16 #include "content/public/browser/notification_observer.h"
  17 #include "content/public/browser/notification_registrar.h"
  18
  19 class Profile;
  20
  21 namespace extensions {
  22 class Extension;
  23 }
  24
  25 namespace content_settings {
  26
  27 // A content settings provider which disables certain plugins for platform apps.
  28 class InternalExtensionProvider : public ObservableProvider,
  29                                   public content::NotificationObserver {
  30  public:
  31   explicit InternalExtensionProvider(Profile* profile);
  32
  33   ~InternalExtensionProvider() override;
  34
  35   // ProviderInterface methods:
  36   RuleIterator* GetRuleIterator(ContentSettingsType content_type,
  37                                 const ResourceIdentifier& resource_identifier,
  38                                 bool incognito) const override;
  39
  40   bool SetWebsiteSetting(const ContentSettingsPattern& primary_pattern,
  41                          const ContentSettingsPattern& secondary_pattern,
  42                          ContentSettingsType content_type,
  43                          const ResourceIdentifier& resource_identifier,
  44                          base::Value* value) override;
  45
  46   void ClearAllContentSettingsRules(ContentSettingsType content_type) override;
  47
  48   void ShutdownOnUIThread() override;
  49
  50   // content::NotificationObserver implementation.
  51   void Observe(int type,
  52                const content::NotificationSource& source,
  53                const content::NotificationDetails& details) override;
  54
  55  private:
  56   void ApplyPluginContentSettingsForExtension(
  57       const extensions::Extension* extension,
  58       ContentSetting setting);
  59   void SetContentSettingForExtension(const extensions::Extension* extension,
  60                                      ContentSetting setting);
  61   void SetContentSettingForExtensionAndResource(
  62       const extensions::Extension* extension,
  63       const ResourceIdentifier& resource,
  64       ContentSetting setting);
  65
  66   OriginIdentifierValueMap value_map_;
  67
  68   // Used around accesses to the |value_map_| list to guarantee thread safety.
  69   mutable base::Lock lock_;
  70   scoped_ptr<content::NotificationRegistrar> registrar_;
  71
  72   // Extension IDs used by the Chrome Remote Desktop app.
  73   std::set<std::string> chrome_remote_desktop_;
  74
  75   DISALLOW_COPY_AND_ASSIGN(InternalExtensionProvider);
  76 };
  77
  78 }  // namespace content_settings
  79
  80 #endif  // CHROME_BROWSER_CONTENT_SETTINGS_CONTENT_SETTINGS_INTERNAL_EXTENSION_PROVIDER_H_