Move all components/offline_pages/ files into component/offline_pages/core

components/offline_pages/offline_page_model_impl.h

Index: components/offline_pages/offline_page_model_impl.h
diff --git a/components/offline_pages/offline_page_model_impl.h b/components/offline_pages/offline_page_model_impl.h
deleted file mode 100644
index 29ae109b973865451c86a37ffdc7db370d885a29..0000000000000000000000000000000000000000
--- a/components/offline_pages/offline_page_model_impl.h
+++ /dev/null
@@ -1,296 +0,0 @@
-// Copyright 2016 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 COMPONENTS_OFFLINE_PAGES_OFFLINE_PAGE_MODEL_IMPL_H_
-#define COMPONENTS_OFFLINE_PAGES_OFFLINE_PAGE_MODEL_IMPL_H_
-
-#include <stdint.h>
-
-#include <map>
-#include <memory>
-#include <set>
-#include <string>
-#include <utility>
-#include <vector>
-
-#include "base/callback.h"
-#include "base/files/file_path.h"
-#include "base/gtest_prod_util.h"
-#include "base/macros.h"
-#include "base/memory/ref_counted.h"
-#include "base/memory/scoped_vector.h"
-#include "base/memory/weak_ptr.h"
-#include "base/observer_list.h"
-#include "base/optional.h"
-#include "base/strings/string16.h"
-#include "base/time/time.h"
-#include "components/keyed_service/core/keyed_service.h"
-#include "components/offline_pages/offline_page_archiver.h"
-#include "components/offline_pages/offline_page_metadata_store.h"
-#include "components/offline_pages/offline_page_model.h"
-#include "components/offline_pages/offline_page_model_event_logger.h"
-#include "components/offline_pages/offline_page_storage_manager.h"
-#include "components/offline_pages/offline_page_types.h"
-#include "components/offline_pages/offline_store_types.h"
-
-class GURL;
-namespace base {
-class Clock;
-class SequencedTaskRunner;
-class TimeTicks;
-}  // namespace base
-
-namespace offline_pages {
-
-struct ClientId;
-struct OfflinePageItem;
-
-class ArchiveManager;
-class ClientPolicyController;
-class OfflinePageModelQuery;
-class OfflinePageStorageManager;
-
-// Implementation of service for saving pages offline, storing the offline
-// copy and metadata, and retrieving them upon request.
-class OfflinePageModelImpl : public OfflinePageModel, public KeyedService {
- public:
-  // All blocking calls/disk access will happen on the provided |task_runner|.
-  OfflinePageModelImpl(
-      std::unique_ptr<OfflinePageMetadataStore> store,
-      const base::FilePath& archives_dir,
-      const scoped_refptr<base::SequencedTaskRunner>& task_runner);
-  ~OfflinePageModelImpl() override;
-
-  // Implemented methods:
-  void AddObserver(Observer* observer) override;
-  void RemoveObserver(Observer* observer) override;
-  void SavePage(const SavePageParams& save_page_params,
-                std::unique_ptr<OfflinePageArchiver> archiver,
-                const SavePageCallback& callback) override;
-  void MarkPageAccessed(int64_t offline_id) override;
-  void DeletePagesByOfflineId(const std::vector<int64_t>& offline_ids,
-                              const DeletePageCallback& callback) override;
-  void DeletePagesByClientIds(const std::vector<ClientId>& client_ids,
-                              const DeletePageCallback& callback) override;
-
-  void GetPagesMatchingQuery(
-      std::unique_ptr<OfflinePageModelQuery> query,
-      const MultipleOfflinePageItemCallback& callback) override;
-
-  void GetPagesByClientIds(
-      const std::vector<ClientId>& client_ids,
-      const MultipleOfflinePageItemCallback& callback) override;
-
-  void DeleteCachedPagesByURLPredicate(
-      const UrlPredicate& predicate,
-      const DeletePageCallback& callback) override;
-  void CheckPagesExistOffline(
-      const std::set<GURL>& urls,
-      const CheckPagesExistOfflineCallback& callback) override;
-  void GetAllPages(const MultipleOfflinePageItemCallback& callback) override;
-  void GetOfflineIdsForClientId(
-      const ClientId& client_id,
-      const MultipleOfflineIdCallback& callback) override;
-  void GetPageByOfflineId(
-      int64_t offline_id,
-      const SingleOfflinePageItemCallback& callback) override;
-  void GetPagesByURL(
-      const GURL& url,
-      URLSearchMode url_search_mode,
-      const MultipleOfflinePageItemCallback& callback) override;
-  ClientPolicyController* GetPolicyController() override;
-
-  // Methods for testing only:
-  OfflinePageMetadataStore* GetStoreForTesting();
-  void set_testing_clock(base::Clock* clock) { testing_clock_ = clock; }
-
-  OfflinePageStorageManager* GetStorageManager();
-
-  bool is_loaded() const override;
-
-  OfflineEventLogger* GetLogger() override;
-
- protected:
-  // Adding a protected constructor for testing-only purposes in
-  // offline_page_storage_manager_unittest.cc
-  OfflinePageModelImpl();
-
- private:
-  FRIEND_TEST_ALL_PREFIXES(OfflinePageModelImplTest, MarkPageForDeletion);
-
-  typedef ScopedVector<OfflinePageArchiver> PendingArchivers;
-
-  // Callback for ensuring archive directory is created.
-  void OnEnsureArchivesDirCreatedDone(const base::TimeTicks& start_time);
-
-  void GetPagesMatchingQueryWhenLoadDone(
-      std::unique_ptr<OfflinePageModelQuery> query,
-      const MultipleOfflinePageItemCallback& callback);
-  void GetOfflineIdsForClientIdWhenLoadDone(
-      const ClientId& client_id,
-      const MultipleOfflineIdCallback& callback) const;
-  const std::vector<int64_t> MaybeGetOfflineIdsForClientId(
-      const ClientId& client_id) const;
-  void GetPagesByURLWhenLoadDone(
-      const GURL& url,
-      URLSearchMode url_search_mode,
-      const MultipleOfflinePageItemCallback& callback) const;
-  void MarkPageAccessedWhenLoadDone(int64_t offline_id);
-
-  // Check the consistency between metadata store and archives on disk,
-  // would delete the metadata entries which don't have an associated
-  // archive and the archives which doesn't have a metadata in the store.
-  // The expired pages (from previous versions) would also be cleared
-  // during this process.
-  void CheckMetadataConsistency();
-
-  // Callback for loading pages from the offline page metadata store.
-  void OnStoreInitialized(const base::TimeTicks& start_time,
-                          int reset_attempts_left,
-                          bool success);
-  void OnStoreResetDone(const base::TimeTicks& start_time,
-                        int reset_attempts_left,
-                        bool success);
-  void OnInitialGetOfflinePagesDone(
-      const base::TimeTicks& start_time,
-      const std::vector<OfflinePageItem>& offline_pages);
-  void FinalizeModelLoad();
-
-  // Steps for saving a page offline.
-  void OnCreateArchiveDone(const SavePageParams& save_page_params,
-                           int64_t offline_id,
-                           const base::Time& start_time,
-                           const SavePageCallback& callback,
-                           OfflinePageArchiver* archiver,
-                           OfflinePageArchiver::ArchiverResult result,
-                           const GURL& url,
-                           const base::FilePath& file_path,
-                           const base::string16& title,
-                           int64_t file_size);
-  void OnAddOfflinePageDone(OfflinePageArchiver* archiver,
-                            const SavePageCallback& callback,
-                            const OfflinePageItem& offline_page,
-                            ItemActionStatus status);
-  void InformSavePageDone(const SavePageCallback& callback,
-                          SavePageResult result,
-                          const ClientId& client_id,
-                          int64_t offline_id);
-  void DeletePendingArchiver(OfflinePageArchiver* archiver);
-
-  // Steps for deleting files and data for an offline page.
-  void OnDeleteArchiveFilesDone(const std::vector<int64_t>& offline_ids,
-                                const DeletePageCallback& callback,
-                                bool success);
-  void OnRemoveOfflinePagesDone(
-      const DeletePageCallback& callback,
-      std::unique_ptr<OfflinePagesUpdateResult> result);
-  void InformDeletePageDone(const DeletePageCallback& callback,
-                            DeletePageResult result);
-
-  void OnMarkPageAccesseDone(const OfflinePageItem& offline_page_item,
-                             std::unique_ptr<OfflinePagesUpdateResult> result);
-
-  // Callbacks for checking metadata consistency.
-  void CheckMetadataConsistencyForArchivePaths(
-      const std::set<base::FilePath>& archive_paths);
-  // Callbacks which would be called after orphaned archives are deleted.
-  // Orphaned archives are the files on disk which are not pointed to by any of
-  // the page entries in the metadata store.
-  void DeletePagesMissingArchiveFile(
-      const std::set<base::FilePath>& archive_paths);
-  void OnDeletePagesMissingArchiveFileDone(
-      const std::vector<int64_t>& offline_ids,
-      DeletePageResult result);
-  void DeleteOrphanedArchives(const std::set<base::FilePath>& archive_paths);
-  void OnDeleteOrphanedArchivesDone(const std::vector<base::FilePath>& archives,
-                                    bool success);
-
-  // Callbacks for deleting pages with same URL when saving pages.
-  void DeleteExistingPagesWithSameURL(const OfflinePageItem& offline_page);
-  void OnPagesFoundWithSameURL(const OfflinePageItem& offline_page,
-                               size_t pages_allowed,
-                               const MultipleOfflinePageItemResult& items);
-  void OnDeleteOldPagesWithSameURL(DeletePageResult result);
-
-  void CacheLoadedData(const std::vector<OfflinePageItem>& offline_pages);
-
-  // Actually does the work of deleting, requires the model is loaded.
-  void DoDeletePagesByOfflineId(const std::vector<int64_t>& offline_ids,
-                                const DeletePageCallback& callback);
-
-  // Actually does the work of deleting, requires the model is loaded.
-  void DeletePages(const DeletePageCallback& callback,
-                   const MultipleOfflinePageItemResult& items);
-
-  void DoGetPagesByClientIds(const std::vector<ClientId>& client_ids,
-                             const MultipleOfflinePageItemCallback& callback);
-
-  // Similar to DoDeletePagesByOfflineId, does actual work of deleting, and
-  // requires that the model is loaded.
-  void DoDeleteCachedPagesByURLPredicate(const UrlPredicate& predicate,
-                                         const DeletePageCallback& callback);
-
-  // Clears expired pages if there are any or we're running out of storage.
-  void ClearStorageIfNeeded(
-      const OfflinePageStorageManager::ClearStorageCallback& callback);
-
-  // Callback completing storage clearing.
-  void OnStorageCleared(size_t cleared_page_count,
-                        OfflinePageStorageManager::ClearStorageResult result);
-
-  // Post task to clear storage.
-  void PostClearStorageIfNeededTask(bool delayed);
-
-  // Check if |offline_page| should be removed on cache reset by user.
-  bool IsRemovedOnCacheReset(const OfflinePageItem& offline_page) const;
-
-  void RunWhenLoaded(const base::Closure& job);
-
-  base::Time GetCurrentTime() const;
-
-  // Persistent store for offline page metadata.
-  std::unique_ptr<OfflinePageMetadataStore> store_;
-
-  // Location where all of the archive files will be stored.
-  base::FilePath archives_dir_;
-
-  // The observers.
-  base::ObserverList<Observer> observers_;
-
-  bool is_loaded_;
-
-  // In memory copy of the offline page metadata, keyed by offline IDs.
-  std::map<int64_t, OfflinePageItem> offline_pages_;
-
-  // Pending archivers owned by this model.
-  PendingArchivers pending_archivers_;
-
-  // Delayed tasks that should be invoked after the loading is done.
-  std::vector<base::Closure> delayed_tasks_;
-
-  // Controller of the client policies.
-  std::unique_ptr<ClientPolicyController> policy_controller_;
-
-  // Manager for the storage consumed by archives and responsible for
-  // automatic page clearing.
-  std::unique_ptr<OfflinePageStorageManager> storage_manager_;
-
-  // Manager for the offline archive files and directory.
-  std::unique_ptr<ArchiveManager> archive_manager_;
-
-  // Logger to facilitate recording of events.
-  OfflinePageModelEventLogger offline_event_logger_;
-
-  // Clock for getting time in testing code. The setter is responsible to reset
-  // it once it is not longer needed.
-  base::Clock* testing_clock_;
-
-  base::WeakPtrFactory<OfflinePageModelImpl> weak_ptr_factory_;
-
-  DISALLOW_COPY_AND_ASSIGN(OfflinePageModelImpl);
-};
-
-}  // namespace offline_pages
-
-#endif  // COMPONENTS_OFFLINE_PAGES_OFFLINE_PAGE_MODEL_IMPL_H_