Add m-esr52 at 52.6.0

1 files changed, 113 insertions, 0 deletions

diff --git a/dom/filesystem/OSFileSystem.cpp b/dom/filesystem/OSFileSystem.cpp
new file mode 100644
index 000000000..1e9a5ddbd
--- /dev/null
+++ b/dom/filesystem/OSFileSystem.cpp
@@ -0,0 +1,113 @@
+/* -*- 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/. */
+
+#include "mozilla/dom/OSFileSystem.h"
+
+#include "mozilla/dom/Directory.h"
+#include "mozilla/dom/File.h"
+#include "mozilla/dom/FileSystemUtils.h"
+#include "nsIGlobalObject.h"
+#include "nsCOMPtr.h"
+#include "nsDebug.h"
+#include "nsIFile.h"
+
+namespace mozilla {
+namespace dom {
+
+OSFileSystem::OSFileSystem(const nsAString& aRootDir)
+{
+  mLocalRootPath = aRootDir;
+}
+
+already_AddRefed<FileSystemBase>
+OSFileSystem::Clone()
+{
+  AssertIsOnOwningThread();
+
+  RefPtr<OSFileSystem> fs = new OSFileSystem(mLocalRootPath);
+  if (mParent) {
+    fs->Init(mParent);
+  }
+
+  return fs.forget();
+}
+
+void
+OSFileSystem::Init(nsISupports* aParent)
+{
+  AssertIsOnOwningThread();
+  MOZ_ASSERT(!mParent, "No duple Init() calls");
+  MOZ_ASSERT(aParent);
+
+  mParent = aParent;
+
+#ifdef DEBUG
+  nsCOMPtr<nsIGlobalObject> obj = do_QueryInterface(aParent);
+  MOZ_ASSERT(obj);
+#endif
+}
+
+nsISupports*
+OSFileSystem::GetParentObject() const
+{
+  AssertIsOnOwningThread();
+  return mParent;
+}
+
+bool
+OSFileSystem::IsSafeFile(nsIFile* aFile) const
+{
+  // The concept of "safe files" is specific to the Device Storage API where
+  // files are only "safe" if they're of a type that is appropriate for the
+  // area of device storage that is being used.
+  MOZ_CRASH("Don't use OSFileSystem with the Device Storage API");
+  return true;
+}
+
+bool
+OSFileSystem::IsSafeDirectory(Directory* aDir) const
+{
+  // The concept of "safe directory" is specific to the Device Storage API
+  // where a directory is only "safe" if it belongs to the area of device
+  // storage that it is being used with.
+  MOZ_CRASH("Don't use OSFileSystem with the Device Storage API");
+  return true;
+}
+
+void
+OSFileSystem::Unlink()
+{
+  AssertIsOnOwningThread();
+  mParent = nullptr;
+}
+
+void
+OSFileSystem::Traverse(nsCycleCollectionTraversalCallback &cb)
+{
+  AssertIsOnOwningThread();
+
+  OSFileSystem* tmp = this;
+  NS_IMPL_CYCLE_COLLECTION_TRAVERSE(mParent);
+}
+
+void
+OSFileSystem::SerializeDOMPath(nsAString& aOutput) const
+{
+  AssertIsOnOwningThread();
+  aOutput = mLocalRootPath;
+}
+
+/**
+ * OSFileSystemParent
+ */
+
+OSFileSystemParent::OSFileSystemParent(const nsAString& aRootDir)
+{
+  mLocalRootPath = aRootDir;
+}
+
+} // namespace dom
+} // namespace mozilla