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-rw-r--r--dom/filesystem/compat/FileSystemRootDirectoryEntry.cpp138
1 files changed, 138 insertions, 0 deletions
diff --git a/dom/filesystem/compat/FileSystemRootDirectoryEntry.cpp b/dom/filesystem/compat/FileSystemRootDirectoryEntry.cpp
new file mode 100644
index 0000000000..fad6243d15
--- /dev/null
+++ b/dom/filesystem/compat/FileSystemRootDirectoryEntry.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 "FileSystemRootDirectoryEntry.h"
+#include "FileSystemRootDirectoryReader.h"
+#include "mozilla/dom/FileSystemUtils.h"
+#include "CallbackRunnables.h"
+#include "nsReadableUtils.h"
+
+namespace mozilla::dom {
+
+NS_IMPL_CYCLE_COLLECTION_INHERITED(FileSystemRootDirectoryEntry,
+ FileSystemDirectoryEntry, mEntries)
+
+NS_IMPL_ADDREF_INHERITED(FileSystemRootDirectoryEntry, FileSystemDirectoryEntry)
+NS_IMPL_RELEASE_INHERITED(FileSystemRootDirectoryEntry,
+ FileSystemDirectoryEntry)
+
+NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION(FileSystemRootDirectoryEntry)
+NS_INTERFACE_MAP_END_INHERITING(FileSystemDirectoryEntry)
+
+FileSystemRootDirectoryEntry::FileSystemRootDirectoryEntry(
+ nsIGlobalObject* aGlobal, Sequence<RefPtr<FileSystemEntry>> aEntries,
+ FileSystem* aFileSystem)
+ : FileSystemDirectoryEntry(aGlobal, nullptr, nullptr, aFileSystem),
+ mEntries(std::move(aEntries)) {
+ MOZ_ASSERT(aGlobal);
+}
+
+FileSystemRootDirectoryEntry::~FileSystemRootDirectoryEntry() = default;
+
+void FileSystemRootDirectoryEntry::GetName(nsAString& aName,
+ ErrorResult& aRv) const {
+ aName.Truncate();
+}
+
+void FileSystemRootDirectoryEntry::GetFullPath(nsAString& aPath,
+ ErrorResult& aRv) const {
+ aPath.AssignLiteral(FILESYSTEM_DOM_PATH_SEPARATOR_LITERAL);
+}
+
+already_AddRefed<FileSystemDirectoryReader>
+FileSystemRootDirectoryEntry::CreateReader() {
+ RefPtr<FileSystemDirectoryReader> reader =
+ new FileSystemRootDirectoryReader(this, Filesystem(), mEntries);
+ return reader.forget();
+}
+
+void FileSystemRootDirectoryEntry::GetInternal(
+ const nsAString& aPath, const FileSystemFlags& aFlag,
+ const Optional<OwningNonNull<FileSystemEntryCallback>>& aSuccessCallback,
+ const Optional<OwningNonNull<ErrorCallback>>& aErrorCallback,
+ GetInternalType aType) {
+ if (!aSuccessCallback.WasPassed() && !aErrorCallback.WasPassed()) {
+ return;
+ }
+
+ if (aFlag.mCreate) {
+ ErrorCallbackHelper::Call(GetParentObject(), aErrorCallback,
+ NS_ERROR_DOM_SECURITY_ERR);
+ return;
+ }
+
+ nsTArray<nsString> parts;
+ if (!FileSystemUtils::IsValidRelativeDOMPath(aPath, parts)) {
+ ErrorCallbackHelper::Call(GetParentObject(), aErrorCallback,
+ NS_ERROR_DOM_NOT_FOUND_ERR);
+ return;
+ }
+
+ MOZ_ASSERT(!parts.IsEmpty());
+
+ RefPtr<FileSystemEntry> entry;
+ for (uint32_t i = 0; i < mEntries.Length(); ++i) {
+ ErrorResult rv;
+ nsAutoString name;
+ mEntries[i]->GetName(name, rv);
+
+ if (NS_WARN_IF(rv.Failed())) {
+ ErrorCallbackHelper::Call(GetParentObject(), aErrorCallback,
+ rv.StealNSResult());
+ return;
+ }
+
+ if (name == parts[0]) {
+ entry = mEntries[i];
+ break;
+ }
+ }
+
+ // Not found.
+ if (!entry) {
+ ErrorCallbackHelper::Call(GetParentObject(), aErrorCallback,
+ NS_ERROR_DOM_NOT_FOUND_ERR);
+ return;
+ }
+
+ // No subdirectory in the path.
+ if (parts.Length() == 1) {
+ if ((entry->IsFile() && aType == eGetDirectory) ||
+ (entry->IsDirectory() && aType == eGetFile)) {
+ ErrorCallbackHelper::Call(GetParentObject(), aErrorCallback,
+ NS_ERROR_DOM_TYPE_MISMATCH_ERR);
+ return;
+ }
+
+ if (aSuccessCallback.WasPassed()) {
+ RefPtr<EntryCallbackRunnable> runnable =
+ new EntryCallbackRunnable(&aSuccessCallback.Value(), entry);
+
+ FileSystemUtils::DispatchRunnable(GetParentObject(), runnable.forget());
+ }
+ return;
+ }
+
+ // Subdirectories, but this is a file.
+ if (entry->IsFile()) {
+ ErrorCallbackHelper::Call(GetParentObject(), aErrorCallback,
+ NS_ERROR_DOM_NOT_FOUND_ERR);
+ return;
+ }
+
+ // Let's recreate a path without the first directory.
+ nsAutoString path;
+ StringJoinAppend(
+ path,
+ NS_LITERAL_STRING_FROM_CSTRING(FILESYSTEM_DOM_PATH_SEPARATOR_LITERAL),
+ Span{parts}.From(1));
+
+ auto* directoryEntry = static_cast<FileSystemDirectoryEntry*>(entry.get());
+ directoryEntry->GetInternal(path, aFlag, aSuccessCallback, aErrorCallback,
+ aType);
+}
+
+} // namespace mozilla::dom