Wipe out offline page data on clearing cookie and site data

components/offline_pages/offline_page_model.h

 // Copyright 2015 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_H_
 #define COMPONENTS_OFFLINE_PAGES_OFFLINE_PAGE_MODEL_H_
 
 #include <map>
 #include <vector>
 
 #include "base/callback.h"
 #include "base/gtest_prod_util.h"
 #include "base/macros.h"
 #include "base/memory/ref_counted.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/memory/scoped_vector.h"
 #include "base/memory/weak_ptr.h"
 #include "base/observer_list.h"
 #include "base/scoped_observer.h"
 #include "components/bookmarks/browser/base_bookmark_model_observer.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"
 
 class GURL;
 namespace base {
 class SequencedTaskRunner;
 }
 namespace bookmarks {
 class BookmarkModel;
 }
 
 namespace offline_pages {
@@ skipping 127 matching lines @@
   // Deletes an offline page related to the passed |bookmark_id|. Requires that
   // the model is loaded.
   void DeletePageByBookmarkId(int64 bookmark_id,
                               const DeletePageCallback& callback);
 
   // Deletes offline pages related to the passed |bookmark_ids|. Requires that
   // the model is loaded.
   void DeletePagesByBookmarkId(const std::vector<int64>& bookmark_ids,
                                const DeletePageCallback& callback);
 
-  void UndeletePage(int64 bookmark_id, const DeletePageCallback& callback);
+  // Wipes out all the data by deleting all saved files and clearing the store.
+  void ClearAll(const base::Closure& callback);
 
   // Gets all available offline pages. Requires that the model is loaded.
   const std::vector<OfflinePageItem> GetAllPages() const;
 
   // Gets pages that should be removed to clean up storage. Requires that the
   // model is loaded.
   const std::vector<OfflinePageItem> GetPagesToCleanUp() const;
 
   // Returns an offline page associated with a specified |bookmark_id|. nullptr
   // is returned if not found.
@@ skipping 24 matching lines @@
   void BookmarkNodeAdded(bookmarks::BookmarkModel* model,
                          const bookmarks::BookmarkNode* parent,
                          int index) override;
   void BookmarkNodeRemoved(bookmarks::BookmarkModel* model,
                            const bookmarks::BookmarkNode* parent,
                            int old_index,
                            const bookmarks::BookmarkNode* node,
                            const std::set<GURL>& removed_urls) override;
 
   // Callback for loading pages from the offline page metadata store.
-  void OnLoadDone(bool success,
+  void OnLoadDone(OfflinePageMetadataStore::LoadStatus load_status,
                   const std::vector<OfflinePageItem>& offline_pages);
 
   // Steps for saving a page offline.
   void OnCreateArchiveDone(const GURL& requested_url,
                            int64 bookmark_id,
                            const SavePageCallback& callback,
                            OfflinePageArchiver* archiver,
                            OfflinePageArchiver::ArchiverResult result,
                            const GURL& url,
                            const base::FilePath& file_path,
@@ skipping 30 matching lines @@
   void UndoPageDeletion(int64 bookmark_id);
   void OnUndoOfflinePageDone(const OfflinePageItem& offline_page, bool success);
 
   // Callbacks for checking if offline pages are missing archive files.
   void OnFindPagesMissingArchiveFile(
       const std::vector<int64>* pages_missing_archive_file);
   void OnRemoveOfflinePagesMissingArchiveFileDone(
       const std::vector<int64>& bookmark_ids,
       OfflinePageModel::DeletePageResult result);
 
+  // Steps for clearing all.
+  void OnRemoveAllFilesDoneForClearAll(const base::Closure& callback,
+                                       DeletePageResult result);
+  void OnResetStoreDoneForClearAll(const base::Closure& callback, bool success);
+  void OnReloadStoreDoneForClearAll(
+      const base::Closure& callback,
+      OfflinePageMetadataStore::LoadStatus load_status,
+      const std::vector<OfflinePageItem>& offline_pages);
+
+  void CacheLoadedData(const std::vector<OfflinePageItem>& offline_pages);
+
   // Persistent store for offline page metadata.
   scoped_ptr<OfflinePageMetadataStore> store_;
 
   // The observers.
   base::ObserverList<Observer> observers_;
 
   bool is_loaded_;
 
   // In memory copy of the offline page metadata, keyed by bookmark IDs.
   std::map<int64, OfflinePageItem> offline_pages_;
@@ skipping 10 matching lines @@
       scoped_observer_;
 
   base::WeakPtrFactory<OfflinePageModel> weak_ptr_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(OfflinePageModel);
 };
 
 }  // namespace offline_pages
 
 #endif  // COMPONENTS_OFFLINE_PAGES_OFFLINE_PAGE_MODEL_H_