gecko-dev/dom/filesystem/compat/FileSystemEntry.cpp

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2.7 KiB
C++

/* -*- 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 "FileSystemEntry.h"
#include "CallbackRunnables.h"
#include "FileSystem.h"
#include "FileSystemDirectoryEntry.h"
#include "FileSystemFileEntry.h"
#include "mozilla/dom/FileSystemEntryBinding.h"
#include "mozilla/dom/UnionTypes.h"
namespace mozilla::dom {
NS_IMPL_CYCLE_COLLECTION_WRAPPERCACHE(FileSystemEntry, mParent, mParentEntry,
mFileSystem)
NS_IMPL_CYCLE_COLLECTING_ADDREF(FileSystemEntry)
NS_IMPL_CYCLE_COLLECTING_RELEASE(FileSystemEntry)
NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION(FileSystemEntry)
NS_WRAPPERCACHE_INTERFACE_MAP_ENTRY
NS_INTERFACE_MAP_ENTRY(nsISupports)
NS_INTERFACE_MAP_END
/* static */
already_AddRefed<FileSystemEntry> FileSystemEntry::Create(
nsIGlobalObject* aGlobalObject,
const OwningFileOrDirectory& aFileOrDirectory, FileSystem* aFileSystem) {
MOZ_ASSERT(aGlobalObject);
MOZ_ASSERT(aFileSystem);
RefPtr<FileSystemEntry> entry;
if (aFileOrDirectory.IsFile()) {
entry = new FileSystemFileEntry(aGlobalObject, aFileOrDirectory.GetAsFile(),
nullptr, aFileSystem);
} else {
MOZ_ASSERT(aFileOrDirectory.IsDirectory());
entry = new FileSystemDirectoryEntry(
aGlobalObject, aFileOrDirectory.GetAsDirectory(), nullptr, aFileSystem);
}
return entry.forget();
}
FileSystemEntry::FileSystemEntry(nsIGlobalObject* aGlobal,
FileSystemEntry* aParentEntry,
FileSystem* aFileSystem)
: mParent(aGlobal), mParentEntry(aParentEntry), mFileSystem(aFileSystem) {
MOZ_ASSERT(aGlobal);
MOZ_ASSERT(aFileSystem);
}
FileSystemEntry::~FileSystemEntry() = default;
JSObject* FileSystemEntry::WrapObject(JSContext* aCx,
JS::Handle<JSObject*> aGivenProto) {
return FileSystemEntry_Binding::Wrap(aCx, this, aGivenProto);
}
void FileSystemEntry::GetParent(
const Optional<OwningNonNull<FileSystemEntryCallback>>& aSuccessCallback,
const Optional<OwningNonNull<ErrorCallback>>& aErrorCallback) {
if (!aSuccessCallback.WasPassed() && !aErrorCallback.WasPassed()) {
return;
}
if (mParentEntry) {
FileSystemEntryCallbackHelper::Call(GetParentObject(), aSuccessCallback,
mParentEntry);
return;
}
FileSystemEntryCallbackHelper::Call(GetParentObject(), aSuccessCallback,
this);
}
} // namespace mozilla::dom