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_EXTENSIONS_API_CONTENT_SETTINGS_CONTENT_SETTINGS_CUSTOM_EXTENSION_PROVIDER_H_ 6 #define CHROME_BROWSER_EXTENSIONS_API_CONTENT_SETTINGS_CONTENT_SETTINGS_CUSTOM_EXTENSION_PROVIDER_H_ 7 8 #include <string> 9 10 #include "base/macros.h" 11 #include "base/memory/ref_counted.h" 12 #include "chrome/browser/extensions/api/content_settings/content_settings_store.h" 13 #include "components/content_settings/core/browser/content_settings_observable_provider.h" 14 15 namespace content_settings { 16 17 // A content settings provider which manages settings defined by extensions. 18 class CustomExtensionProvider : public ObservableProvider, 19 public extensions::ContentSettingsStore::Observer { 20 public: 21 CustomExtensionProvider(const scoped_refptr<extensions::ContentSettingsStore>& 22 extensions_settings, 23 bool incognito); 24 25 ~CustomExtensionProvider() override; 26 27 // ProviderInterface methods: 28 std::unique_ptr<RuleIterator> GetRuleIterator( 29 ContentSettingsType content_type, 30 bool incognito) const override; 31 32 std::unique_ptr<RuleIterator> GetDiscardedRuleIterator( 33 ContentSettingsType content_type, 34 bool incognito) const override; 35 36 bool SetWebsiteSetting( 37 const ContentSettingsPattern& primary_pattern, 38 const ContentSettingsPattern& secondary_pattern, 39 ContentSettingsType content_type, 40 std::unique_ptr<base::Value>&& value, 41 const ContentSettingConstraints& constraint = {}) override; 42 ClearAllContentSettingsRules(ContentSettingsType content_type)43 void ClearAllContentSettingsRules(ContentSettingsType content_type) override { 44 } 45 46 void ShutdownOnUIThread() override; 47 48 // extensions::ContentSettingsStore::Observer methods: 49 void OnContentSettingChanged(const std::string& extension_id, 50 bool incognito) override; 51 52 private: 53 // Specifies whether this provider manages settings for incognito or regular 54 // sessions. 55 bool incognito_; 56 57 // The backend storing content setting rules defined by extensions. 58 scoped_refptr<extensions::ContentSettingsStore> extensions_settings_; 59 60 DISALLOW_COPY_AND_ASSIGN(CustomExtensionProvider); 61 }; 62 63 } // namespace content_settings 64 65 #endif // CHROME_BROWSER_EXTENSIONS_API_CONTENT_SETTINGS_CONTENT_SETTINGS_CUSTOM_EXTENSION_PROVIDER_H_ 66