1 files changed, 138 insertions, 0 deletions
diff --git a/dom/filesystem/compat/FileSystemFileEntry.cpp b/dom/filesystem/compat/FileSystemFileEntry.cpp
new file mode 100644
index 000000000..6302df06d
--- /dev/null
+++ b/dom/filesystem/compat/FileSystemFileEntry.cpp
@@ -0,0 +1,138 @@
+/* -*- 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/MultipartBlobImpl.h"
+#include "mozilla/dom/FileSystemFileEntryBinding.h"
+
+namespace mozilla {
+namespace dom {
+
+namespace {
+
+class FileCallbackRunnable final : public Runnable
+{
+public:
+  FileCallbackRunnable(FileCallback* aCallback, ErrorCallback* aErrorCallback,
+                       File* aFile)
+    : mCallback(aCallback)
+    , mErrorCallback(aErrorCallback)
+    , mFile(aFile)
+  {
+    MOZ_ASSERT(aCallback);
+    MOZ_ASSERT(aFile);
+  }
+
+  NS_IMETHOD
+  Run() override
+  {
+    // Here we clone the File object.
+
+    nsAutoString name;
+    mFile->GetName(name);
+
+    nsAutoString type;
+    mFile->GetType(type);
+
+    nsTArray<RefPtr<BlobImpl>> blobImpls;
+    blobImpls.AppendElement(mFile->Impl());
+
+    ErrorResult rv;
+    RefPtr<BlobImpl> blobImpl =
+      MultipartBlobImpl::Create(Move(blobImpls), name, type, rv);
+    if (NS_WARN_IF(rv.Failed())) {
+      if (mErrorCallback) {
+        RefPtr<DOMException> exception =
+          DOMException::Create(rv.StealNSResult());
+        mErrorCallback->HandleEvent(*exception);
+      }
+
+      return NS_OK;
+    }
+
+    RefPtr<File> file = File::Create(mFile->GetParentObject(), blobImpl);
+    MOZ_ASSERT(file);
+
+    mCallback->HandleEvent(*file);
+    return NS_OK;
+  }
+
+private:
+  RefPtr<FileCallback> mCallback;
+  RefPtr<ErrorCallback> mErrorCallback;
+  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_INHERITED(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()
+{}
+
+JSObject*
+FileSystemFileEntry::WrapObject(JSContext* aCx,
+                                JS::Handle<JSObject*> aGivenProto)
+{
+  return FileSystemFileEntryBinding::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,
+                             aErrorCallback.WasPassed()
+                               ? &aErrorCallback.Value() : nullptr,
+                             mFile);
+  DebugOnly<nsresult> rv = NS_DispatchToMainThread(runnable);
+  NS_WARNING_ASSERTION(NS_SUCCEEDED(rv), "NS_DispatchToMainThread failed");
+}
+
+} // dom namespace
+} // mozilla namespace