Add m-esr52 at 52.6.0

1 files changed, 150 insertions, 0 deletions

diff --git a/dom/indexedDB/FileManager.h b/dom/indexedDB/FileManager.h
new file mode 100644
index 000000000..da917f431
--- /dev/null
+++ b/dom/indexedDB/FileManager.h
@@ -0,0 +1,150 @@
+/* -*- 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/Attributes.h"
+#include "mozilla/dom/quota/PersistenceType.h"
+#include "nsDataHashtable.h"
+#include "nsHashKeys.h"
+#include "nsISupportsImpl.h"
+
+class nsIFile;
+class mozIStorageConnection;
+
+namespace mozilla {
+namespace dom {
+namespace indexedDB {
+
+class FileInfo;
+
+// Implemented in ActorsParent.cpp.
+class FileManager final
+{
+  friend class FileInfo;
+
+  typedef mozilla::dom::quota::PersistenceType PersistenceType;
+
+  PersistenceType mPersistenceType;
+  nsCString mGroup;
+  nsCString mOrigin;
+  nsString mDatabaseName;
+
+  nsString mDirectoryPath;
+  nsString mJournalDirectoryPath;
+
+  int64_t mLastFileId;
+
+  // Protected by IndexedDatabaseManager::FileMutex()
+  nsDataHashtable<nsUint64HashKey, FileInfo*> mFileInfos;
+
+  const bool mIsApp;
+  const bool mEnforcingQuota;
+  bool mInvalidated;
+
+public:
+  static already_AddRefed<nsIFile>
+  GetFileForId(nsIFile* aDirectory, int64_t aId);
+
+  static already_AddRefed<nsIFile>
+  GetCheckedFileForId(nsIFile* aDirectory, int64_t aId);
+
+  static nsresult
+  InitDirectory(nsIFile* aDirectory,
+                nsIFile* aDatabaseFile,
+                PersistenceType aPersistenceType,
+                const nsACString& aGroup,
+                const nsACString& aOrigin,
+                uint32_t aTelemetryId);
+
+  static nsresult
+  GetUsage(nsIFile* aDirectory, uint64_t* aUsage);
+
+  FileManager(PersistenceType aPersistenceType,
+              const nsACString& aGroup,
+              const nsACString& aOrigin,
+              bool aIsApp,
+              const nsAString& aDatabaseName,
+              bool aEnforcingQuota);
+
+  PersistenceType
+  Type() const
+  {
+    return mPersistenceType;
+  }
+
+  const nsACString&
+  Group() const
+  {
+    return mGroup;
+  }
+
+  const nsACString&
+  Origin() const
+  {
+    return mOrigin;
+  }
+
+  bool
+  IsApp() const
+  {
+    return mIsApp;
+  }
+
+  const nsAString&
+  DatabaseName() const
+  {
+    return mDatabaseName;
+  }
+
+  bool
+  EnforcingQuota() const
+  {
+    return mEnforcingQuota;
+  }
+
+  bool
+  Invalidated() const
+  {
+    return mInvalidated;
+  }
+
+  nsresult
+  Init(nsIFile* aDirectory, mozIStorageConnection* aConnection);
+
+  nsresult
+  Invalidate();
+
+  already_AddRefed<nsIFile>
+  GetDirectory();
+
+  already_AddRefed<nsIFile>
+  GetCheckedDirectory();
+
+  already_AddRefed<nsIFile>
+  GetJournalDirectory();
+
+  already_AddRefed<nsIFile>
+  EnsureJournalDirectory();
+
+  already_AddRefed<FileInfo>
+  GetFileInfo(int64_t aId);
+
+  already_AddRefed<FileInfo>
+  GetNewFileInfo();
+
+  NS_INLINE_DECL_THREADSAFE_REFCOUNTING(FileManager)
+
+private:
+  ~FileManager();
+};
+
+} // namespace indexedDB
+} // namespace dom
+} // namespace mozilla
+
+#endif // mozilla_dom_indexeddb_filemanager_h__