Move content settings extension API to content_settings dir.

chrome/browser/extensions/extension_content_settings_store.h

-// Copyright (c) 2011 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_EXTENSION_CONTENT_SETTINGS_STORE_H_
-#define CHROME_BROWSER_EXTENSIONS_EXTENSION_CONTENT_SETTINGS_STORE_H_
-
-#include <map>
-#include <string>
-
-#include "base/observer_list.h"
-#include "base/synchronization/lock.h"
-#include "base/threading/thread_checker.h"
-#include "base/time.h"
-#include "base/tuple.h"
-#include "chrome/browser/content_settings/content_settings_provider.h"
-#include "chrome/browser/extensions/extension_prefs_scope.h"
-#include "chrome/common/content_settings.h"
-#include "chrome/common/content_settings_pattern.h"
-#include "googleurl/src/gurl.h"
-
-namespace base {
-class ListValue;
-}
-
-namespace content_settings {
-class OriginIdentifierValueMap;
-class RuleIterator;
-}
-
-// This class is the backend for extension-defined content settings. It is used
-// by the content_settings::ExtensionProvider to integrate its settings into the
-// HostContentSettingsMap and by the content settings extension API to provide
-// extensions with access to content settings.
-class ExtensionContentSettingsStore
-    : public base::RefCountedThreadSafe<ExtensionContentSettingsStore> {
- public:
-  class Observer {
-   public:
-    virtual ~Observer() {}
-
-    // Called when a content setting changes in the
-    // ExtensionContentSettingsStore.
-    virtual void OnContentSettingChanged(
-        const std::string& extension_id,
-        bool incognito) = 0;
-  };
-
-  ExtensionContentSettingsStore();
-
-  // //////////////////////////////////////////////////////////////////////////
-
-  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 SetExtensionContentSettingsFromList(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<ExtensionContentSettingsStore>;
-
-  struct ExtensionEntry;
-
-  typedef std::multimap<base::Time, ExtensionEntry*> ExtensionEntryMap;
-
-  virtual ~ExtensionContentSettingsStore();
-
-  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(ExtensionContentSettingsStore);
-};
-
-#endif  // CHROME_BROWSER_EXTENSIONS_EXTENSION_CONTENT_SETTINGS_STORE_H_