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

91 строка
2.9 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 "FileSystemDirectoryEntry.h"
#include "FileSystemFileEntry.h"
#include "mozilla/dom/FileSystemEntryBinding.h"
#include "mozilla/dom/UnionTypes.h"
namespace mozilla {
namespace 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()
{}
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);
}
} // dom namespace
} // mozilla namespace