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/* -*- 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,
#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