1 files changed, 101 insertions, 0 deletions
diff --git a/dom/indexedDB/FileManager.h b/dom/indexedDB/FileManager.h
new file mode 100644
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+++ b/dom/indexedDB/FileManager.h
@@ -0,0 +1,101 @@
+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim: set ts=8 sts=2 et sw=2 tw=80: */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#ifndef mozilla_dom_indexeddb_filemanager_h__
+#define mozilla_dom_indexeddb_filemanager_h__
+
+#include "mozilla/dom/quota/PersistenceType.h"
+#include "mozilla/dom/quota/QuotaInfo.h"
+#include "mozilla/dom/quota/UsageInfo.h"
+#include "mozilla/InitializedOnce.h"
+#include "FileManagerBase.h"
+
+class nsIFile;
+class mozIStorageConnection;
+
+namespace mozilla {
+namespace dom {
+namespace indexedDB {
+
+// Implemented in ActorsParent.cpp.
+class FileManager final : public FileManagerBase<FileManager>,
+                          public AtomicSafeRefCounted<FileManager> {
+  using PersistenceType = mozilla::dom::quota::PersistenceType;
+  using FileManagerBase<FileManager>::MutexType;
+
+  const PersistenceType mPersistenceType;
+  const quota::GroupAndOrigin mGroupAndOrigin;
+  const nsString mDatabaseName;
+
+  LazyInitializedOnce<const nsString> mDirectoryPath;
+  LazyInitializedOnce<const nsString> mJournalDirectoryPath;
+
+  const bool mEnforcingQuota;
+
+  // Lock protecting FileManager.mFileInfos.
+  // It's s also used to atomically update FileInfo.mRefCnt and
+  // FileInfo.mDBRefCnt
+  static MutexType sMutex;
+
+ public:
+  [[nodiscard]] static nsCOMPtr<nsIFile> GetFileForId(nsIFile* aDirectory,
+                                                      int64_t aId);
+
+  [[nodiscard]] static nsCOMPtr<nsIFile> GetCheckedFileForId(
+      nsIFile* aDirectory, int64_t aId);
+
+  static nsresult InitDirectory(nsIFile& aDirectory, nsIFile& aDatabaseFile,
+                                const nsACString& aOrigin,
+                                uint32_t aTelemetryId);
+
+  static Result<quota::FileUsageType, nsresult> GetUsage(nsIFile* aDirectory);
+
+  FileManager(PersistenceType aPersistenceType,
+              const quota::GroupAndOrigin& aGroupAndOrigin,
+              const nsAString& aDatabaseName, bool aEnforcingQuota);
+
+  PersistenceType Type() const { return mPersistenceType; }
+
+  const quota::GroupAndOrigin& GroupAndOrigin() const {
+    return mGroupAndOrigin;
+  }
+
+  const nsACString& Origin() const { return mGroupAndOrigin.mOrigin; }
+
+  const nsAString& DatabaseName() const { return mDatabaseName; }
+
+  bool EnforcingQuota() const { return mEnforcingQuota; }
+
+  nsresult Init(nsIFile* aDirectory, mozIStorageConnection& aConnection);
+
+  [[nodiscard]] nsCOMPtr<nsIFile> GetDirectory();
+
+  [[nodiscard]] nsCOMPtr<nsIFile> GetCheckedDirectory();
+
+  [[nodiscard]] nsCOMPtr<nsIFile> GetJournalDirectory();
+
+  [[nodiscard]] nsCOMPtr<nsIFile> EnsureJournalDirectory();
+
+  [[nodiscard]] nsresult SyncDeleteFile(int64_t aId);
+
+  // XXX When getting rid of FileHelper, this method should be removed/made
+  // private.
+  [[nodiscard]] nsresult SyncDeleteFile(nsIFile& aFile, nsIFile& aJournalFile);
+
+  [[nodiscard]] nsresult AsyncDeleteFile(int64_t aFileId);
+
+  MOZ_DECLARE_REFCOUNTED_TYPENAME(FileManager)
+
+  static StaticMutex& Mutex() { return sMutex; }
+
+  ~FileManager() = default;
+};
+
+}  // namespace indexedDB
+}  // namespace dom
+}  // namespace mozilla
+
+#endif  // mozilla_dom_indexeddb_filemanager_h__