1 files changed, 94 insertions, 0 deletions
diff --git a/dom/filesystem/compat/FileSystemFileEntry.cpp b/dom/filesystem/compat/FileSystemFileEntry.cpp
new file mode 100644
index 0000000000..59216641cc
--- /dev/null
+++ b/dom/filesystem/compat/FileSystemFileEntry.cpp
@@ -0,0 +1,94 @@
+/* -*- 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 "FileSystemFileEntry.h"
+#include "CallbackRunnables.h"
+#include "mozilla/dom/File.h"
+#include "mozilla/dom/FileSystemUtils.h"
+#include "mozilla/dom/MultipartBlobImpl.h"
+#include "mozilla/dom/FileSystemFileEntryBinding.h"
+
+namespace mozilla::dom {
+
+namespace {
+
+class FileCallbackRunnable final : public Runnable {
+ public:
+  FileCallbackRunnable(FileCallback* aCallback, File* aFile)
+      : Runnable("FileCallbackRunnable"), mCallback(aCallback), mFile(aFile) {
+    MOZ_ASSERT(aCallback);
+    MOZ_ASSERT(aFile);
+  }
+
+  // MOZ_CAN_RUN_SCRIPT_BOUNDARY until Runnable::Run is MOZ_CAN_RUN_SCRIPT.  See
+  // bug 1535398.
+  MOZ_CAN_RUN_SCRIPT_BOUNDARY NS_IMETHOD Run() override {
+    // Here we clone the File object.
+
+    RefPtr<File> file = File::Create(mFile->GetParentObject(), mFile->Impl());
+    mCallback->Call(*file);
+    return NS_OK;
+  }
+
+ private:
+  const RefPtr<FileCallback> mCallback;
+  RefPtr<File> mFile;
+};
+
+}  // anonymous namespace
+
+NS_IMPL_CYCLE_COLLECTION_INHERITED(FileSystemFileEntry, FileSystemEntry, mFile)
+
+NS_IMPL_ADDREF_INHERITED(FileSystemFileEntry, FileSystemEntry)
+NS_IMPL_RELEASE_INHERITED(FileSystemFileEntry, FileSystemEntry)
+
+NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION(FileSystemFileEntry)
+NS_INTERFACE_MAP_END_INHERITING(FileSystemEntry)
+
+FileSystemFileEntry::FileSystemFileEntry(nsIGlobalObject* aGlobal, File* aFile,
+                                         FileSystemDirectoryEntry* aParentEntry,
+                                         FileSystem* aFileSystem)
+    : FileSystemEntry(aGlobal, aParentEntry, aFileSystem), mFile(aFile) {
+  MOZ_ASSERT(aGlobal);
+  MOZ_ASSERT(mFile);
+}
+
+FileSystemFileEntry::~FileSystemFileEntry() = default;
+
+JSObject* FileSystemFileEntry::WrapObject(JSContext* aCx,
+                                          JS::Handle<JSObject*> aGivenProto) {
+  return FileSystemFileEntry_Binding::Wrap(aCx, this, aGivenProto);
+}
+
+void FileSystemFileEntry::GetName(nsAString& aName, ErrorResult& aRv) const {
+  mFile->GetName(aName);
+}
+
+void FileSystemFileEntry::GetFullPath(nsAString& aPath,
+                                      ErrorResult& aRv) const {
+  mFile->Impl()->GetDOMPath(aPath);
+  if (aPath.IsEmpty()) {
+    // We're under the root directory. webkitRelativePath
+    // (implemented as GetPath) is for cases when file is selected because its
+    // ancestor directory is selected. But that is not the case here, so need to
+    // manually prepend '/'.
+    nsAutoString name;
+    mFile->GetName(name);
+    aPath.AssignLiteral(FILESYSTEM_DOM_PATH_SEPARATOR_LITERAL);
+    aPath.Append(name);
+  }
+}
+
+void FileSystemFileEntry::GetFile(
+    FileCallback& aSuccessCallback,
+    const Optional<OwningNonNull<ErrorCallback>>& aErrorCallback) const {
+  RefPtr<FileCallbackRunnable> runnable =
+      new FileCallbackRunnable(&aSuccessCallback, mFile);
+
+  FileSystemUtils::DispatchRunnable(GetParentObject(), runnable.forget());
+}
+
+}  // namespace mozilla::dom