| // Copyright (c) 2012 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #ifndef CHROME_BROWSER_EXTENSIONS_API_CONTENT_SETTINGS_CONTENT_SETTINGS_STORE_H_ |
| #define CHROME_BROWSER_EXTENSIONS_API_CONTENT_SETTINGS_CONTENT_SETTINGS_STORE_H_ |
| |
| #include <map> |
| #include <string> |
| |
| #include "base/memory/ref_counted.h" |
| #include "base/observer_list.h" |
| #include "base/synchronization/lock.h" |
| #include "base/threading/thread_checker.h" |
| #include "base/time/time.h" |
| #include "base/tuple.h" |
| #include "chrome/browser/content_settings/content_settings_provider.h" |
| #include "chrome/common/content_settings.h" |
| #include "chrome/common/content_settings_pattern.h" |
| #include "extensions/browser/extension_prefs_scope.h" |
| #include "url/gurl.h" |
| |
| namespace base { |
| class ListValue; |
| } |
| |
| namespace content_settings { |
| class OriginIdentifierValueMap; |
| class RuleIterator; |
| } |
| |
| namespace extensions { |
| |
| // This class is the backend for extension-defined content settings. It is used |
| // by the content_settings::CustomExtensionProvider to integrate its settings |
| // into the HostContentSettingsMap and by the content settings extension API to |
| // provide extensions with access to content settings. |
| class ContentSettingsStore |
| : public base::RefCountedThreadSafe<ContentSettingsStore> { |
| public: |
| class Observer { |
| public: |
| virtual ~Observer() {} |
| |
| // Called when a content setting changes in the |
| // ContentSettingsStore. |
| virtual void OnContentSettingChanged( |
| const std::string& extension_id, |
| bool incognito) = 0; |
| }; |
| |
| ContentSettingsStore(); |
| |
| // ////////////////////////////////////////////////////////////////////////// |
| |
| content_settings::RuleIterator* GetRuleIterator( |
| ContentSettingsType type, |
| const content_settings::ResourceIdentifier& identifier, |
| bool incognito) const; |
| |
| // Sets the content |setting| for |pattern| of extension |ext_id|. The |
| // |incognito| flag allow to set whether the provided setting is for |
| // incognito mode only. |
| // Precondition: the extension must be registered. |
| // This method should only be called on the UI thread. |
| void SetExtensionContentSetting( |
| const std::string& ext_id, |
| const ContentSettingsPattern& embedded_pattern, |
| const ContentSettingsPattern& top_level_pattern, |
| ContentSettingsType type, |
| const content_settings::ResourceIdentifier& identifier, |
| ContentSetting setting, |
| ExtensionPrefsScope scope); |
| |
| // Clears all contents settings set by the extension |ext_id|. |
| void ClearContentSettingsForExtension(const std::string& ext_id, |
| ExtensionPrefsScope scope); |
| |
| // Serializes all content settings set by the extension with ID |extension_id| |
| // and returns them as a ListValue. The caller takes ownership of the returned |
| // value. |
| base::ListValue* GetSettingsForExtension(const std::string& extension_id, |
| ExtensionPrefsScope scope) const; |
| |
| // Deserializes content settings rules from |list| and applies them as set by |
| // the extension with ID |extension_id|. |
| void SetExtensionContentSettingFromList(const std::string& extension_id, |
| const base::ListValue* list, |
| ExtensionPrefsScope scope); |
| |
| // ////////////////////////////////////////////////////////////////////////// |
| |
| // Registers the time when an extension |ext_id| is installed. |
| void RegisterExtension(const std::string& ext_id, |
| const base::Time& install_time, |
| bool is_enabled); |
| |
| // Deletes all entries related to extension |ext_id|. |
| void UnregisterExtension(const std::string& ext_id); |
| |
| // Hides or makes the extension content settings of the specified extension |
| // visible. |
| void SetExtensionState(const std::string& ext_id, bool is_enabled); |
| |
| // Adds |observer|. This method should only be called on the UI thread. |
| void AddObserver(Observer* observer); |
| |
| // Remove |observer|. This method should only be called on the UI thread. |
| void RemoveObserver(Observer* observer); |
| |
| private: |
| friend class base::RefCountedThreadSafe<ContentSettingsStore>; |
| |
| struct ExtensionEntry; |
| |
| typedef std::multimap<base::Time, ExtensionEntry*> ExtensionEntryMap; |
| |
| virtual ~ContentSettingsStore(); |
| |
| content_settings::OriginIdentifierValueMap* GetValueMap( |
| const std::string& ext_id, |
| ExtensionPrefsScope scope); |
| |
| const content_settings::OriginIdentifierValueMap* GetValueMap( |
| const std::string& ext_id, |
| ExtensionPrefsScope scope) const; |
| |
| void NotifyOfContentSettingChanged(const std::string& extension_id, |
| bool incognito); |
| |
| bool OnCorrectThread(); |
| |
| ExtensionEntryMap::iterator FindEntry(const std::string& ext_id); |
| ExtensionEntryMap::const_iterator FindEntry(const std::string& ext_id) const; |
| |
| ExtensionEntryMap entries_; |
| |
| ObserverList<Observer, false> observers_; |
| |
| mutable base::Lock lock_; |
| |
| DISALLOW_COPY_AND_ASSIGN(ContentSettingsStore); |
| }; |
| |
| } // namespace extensions |
| |
| #endif // CHROME_BROWSER_EXTENSIONS_API_CONTENT_SETTINGS_CONTENT_SETTINGS_STORE_H_ |