gecko-dev/dom/nfc/MozNDEFRecord.cpp

130 строки
3.6 KiB
C++

/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim:set ts=2 sw=2 sts=2 et cindent: */
/* 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/. */
/* Copyright © 2013 Deutsche Telekom, Inc. */
#include "MozNDEFRecord.h"
#include "mozilla/dom/MozNDEFRecordBinding.h"
#include "mozilla/HoldDropJSObjects.h"
#include "nsContentUtils.h"
namespace mozilla {
namespace dom {
NS_IMPL_CYCLE_COLLECTION_CLASS(MozNDEFRecord)
NS_IMPL_CYCLE_COLLECTION_UNLINK_BEGIN(MozNDEFRecord)
NS_IMPL_CYCLE_COLLECTION_UNLINK(mWindow)
NS_IMPL_CYCLE_COLLECTION_UNLINK_PRESERVED_WRAPPER
tmp->DropData();
NS_IMPL_CYCLE_COLLECTION_UNLINK_END
NS_IMPL_CYCLE_COLLECTION_TRAVERSE_BEGIN(MozNDEFRecord)
NS_IMPL_CYCLE_COLLECTION_TRAVERSE(mWindow)
NS_IMPL_CYCLE_COLLECTION_TRAVERSE_SCRIPT_OBJECTS
NS_IMPL_CYCLE_COLLECTION_TRAVERSE_END
NS_IMPL_CYCLE_COLLECTION_TRACE_BEGIN(MozNDEFRecord)
NS_IMPL_CYCLE_COLLECTION_TRACE_JS_MEMBER_CALLBACK(mType)
NS_IMPL_CYCLE_COLLECTION_TRACE_JS_MEMBER_CALLBACK(mId)
NS_IMPL_CYCLE_COLLECTION_TRACE_JS_MEMBER_CALLBACK(mPayload)
NS_IMPL_CYCLE_COLLECTION_TRACE_PRESERVED_WRAPPER
NS_IMPL_CYCLE_COLLECTION_TRACE_END
NS_IMPL_CYCLE_COLLECTING_ADDREF(MozNDEFRecord)
NS_IMPL_CYCLE_COLLECTING_RELEASE(MozNDEFRecord)
NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION(MozNDEFRecord)
NS_WRAPPERCACHE_INTERFACE_MAP_ENTRY
NS_INTERFACE_MAP_ENTRY(nsISupports)
NS_INTERFACE_MAP_END
void
MozNDEFRecord::HoldData()
{
mozilla::HoldJSObjects(this);
}
void
MozNDEFRecord::DropData()
{
if (mType) {
mType = nullptr;
}
if (mId) {
mId = nullptr;
}
if (mPayload) {
mPayload = nullptr;
}
mozilla::DropJSObjects(this);
}
/* static */
already_AddRefed<MozNDEFRecord>
MozNDEFRecord::Constructor(const GlobalObject& aGlobal,
uint8_t aTnf,
const Optional<Uint8Array>& aType,
const Optional<Uint8Array>& aId,
const Optional<Uint8Array>& aPayload,
ErrorResult& aRv)
{
nsCOMPtr<nsPIDOMWindow> win = do_QueryInterface(aGlobal.GetAsSupports());
if (!win) {
aRv.Throw(NS_ERROR_FAILURE);
return nullptr;
}
nsRefPtr<MozNDEFRecord> ndefrecord = new MozNDEFRecord(aGlobal.GetContext(),
win, aTnf, aType, aId,
aPayload);
if (!ndefrecord) {
aRv.Throw(NS_ERROR_FAILURE);
return nullptr;
}
return ndefrecord.forget();
}
MozNDEFRecord::MozNDEFRecord(JSContext* aCx, nsPIDOMWindow* aWindow,
uint8_t aTnf,
const Optional<Uint8Array>& aType,
const Optional<Uint8Array>& aId,
const Optional<Uint8Array>& aPayload)
: mTnf(aTnf)
{
mWindow = aWindow; // For GetParentObject()
if (aType.WasPassed()) {
mType = Uint8Array::Create(aCx, this, aType.Value().Length(), aType.Value().Data());
}
if (aId.WasPassed()) {
mId = Uint8Array::Create(aCx, this, aId.Value().Length(), aId.Value().Data());
}
if (aPayload.WasPassed()) {
mPayload = Uint8Array::Create(aCx, this, aPayload.Value().Length(), aPayload.Value().Data());
}
SetIsDOMBinding();
HoldData();
}
MozNDEFRecord::~MozNDEFRecord()
{
DropData();
}
JSObject*
MozNDEFRecord::WrapObject(JSContext* aCx)
{
return MozNDEFRecordBinding::Wrap(aCx, this);
}
} // namespace dom
} // namespace mozilla