chrome/browser/browsing_data/local_data_container.h

// Copyright 2012 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#ifndef CHROME_BROWSER_BROWSING_DATA_LOCAL_DATA_CONTAINER_H_
#define CHROME_BROWSER_BROWSING_DATA_LOCAL_DATA_CONTAINER_H_

#include <list>
#include <map>
#include <vector>

#include "base/memory/raw_ptr.h"
#include "base/memory/ref_counted.h"
#include "base/memory/weak_ptr.h"
#include "components/browsing_data/content/browsing_data_quota_helper.h"
#include "components/browsing_data/content/cookie_helper.h"
#include "components/browsing_data/content/local_shared_objects_container.h"
#include "components/browsing_data/content/local_storage_helper.h"

class CookiesTreeModel;
class LocalDataContainer;

namespace content {
class StoragePartition;
struct StorageUsageInfo;
}

namespace net {
class CanonicalCookie;
}

// This class is a wrapper around all the browsing_data::*Helper classes.
class LocalDataContainer {
 public:
  // Friendly typedefs for the multiple types of lists used in the model.
  using CookieList = std::list<net::CanonicalCookie>;
  using LocalStorageInfoList = std::list<content::StorageUsageInfo>;
  using SessionStorageInfoList = std::list<content::StorageUsageInfo>;
  using QuotaInfoList = std::list<BrowsingDataQuotaHelper::QuotaInfo>;

  static std::unique_ptr<LocalDataContainer>
  CreateFromLocalSharedObjectsContainer(
      const browsing_data::LocalSharedObjectsContainer& shared_objects);

  static std::unique_ptr<LocalDataContainer> CreateFromStoragePartition(
      content::StoragePartition* storage_partition,
      browsing_data::CookieHelper::IsDeletionDisabledCallback
          is_cookie_deletion_disabled_callback);

  LocalDataContainer(
      scoped_refptr<browsing_data::CookieHelper> cookie_helper,
      scoped_refptr<browsing_data::LocalStorageHelper> local_storage_helper,
      scoped_refptr<browsing_data::LocalStorageHelper> session_storage_helper,
      scoped_refptr<BrowsingDataQuotaHelper> quota_helper);

  LocalDataContainer(const LocalDataContainer&) = delete;
  LocalDataContainer& operator=(const LocalDataContainer&) = delete;

  virtual ~LocalDataContainer();

  // This method must be called to start the process of fetching the resources.
  // The delegate passed in is called back to deliver the updates.
  void Init(CookiesTreeModel* delegate);

 private:
  friend class CookiesTreeModel;
  friend class CookieTreeCookieNode;
  friend class CookieTreeLocalStorageNode;
  friend class CookieTreeSessionStorageNode;
  friend class CookieTreeQuotaNode;

  // Callback methods to be invoked when fetching the data is complete.
  void OnCookiesModelInfoLoaded(const net::CookieList& cookie_list);
  void OnLocalStorageModelInfoLoaded(
      const LocalStorageInfoList& local_storage_info);
  void OnSessionStorageModelInfoLoaded(
      const LocalStorageInfoList& local_storage_info);
  void OnQuotaModelInfoLoaded(const QuotaInfoList& quota_info);

  // Pointers to the helper objects, needed to retreive all the types of locally
  // stored data.
  scoped_refptr<browsing_data::CookieHelper> cookie_helper_;
  scoped_refptr<browsing_data::LocalStorageHelper> local_storage_helper_;
  scoped_refptr<browsing_data::LocalStorageHelper> session_storage_helper_;
  scoped_refptr<BrowsingDataQuotaHelper> quota_helper_;

  // Storage for all the data that was retrieved through the helper objects.
  // The collected data is used for (re)creating the CookiesTreeModel.
  CookieList cookie_list_;
  LocalStorageInfoList local_storage_info_list_;
  LocalStorageInfoList session_storage_info_list_;
  QuotaInfoList quota_info_list_;

  // A delegate, which must outlive this object. The update callbacks use the
  // delegate to deliver the updated data to the CookieTreeModel.
  raw_ptr<CookiesTreeModel> model_ = nullptr;

  base::WeakPtrFactory<LocalDataContainer> weak_ptr_factory_{this};
};

#endif  // CHROME_BROWSER_BROWSING_DATA_LOCAL_DATA_CONTAINER_H_