gecko-dev/dom/bluetooth/bluetooth2/BluetoothLeDeviceEvent.cpp

144 строки
4.2 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/. */
#include "mozilla/dom/bluetooth/BluetoothLeDeviceEvent.h"
#include "js/GCAPI.h"
#include "jsfriendapi.h"
#include "mozilla/HoldDropJSObjects.h"
#include "mozilla/dom/BluetoothLeDeviceEventBinding.h"
#include "mozilla/dom/Nullable.h"
#include "mozilla/dom/PrimitiveConversions.h"
#include "mozilla/dom/TypedArray.h"
#include "mozilla/dom/bluetooth/BluetoothDevice.h"
USING_BLUETOOTH_NAMESPACE
NS_IMPL_CYCLE_COLLECTION_CLASS(BluetoothLeDeviceEvent)
NS_IMPL_ADDREF_INHERITED(BluetoothLeDeviceEvent, Event)
NS_IMPL_RELEASE_INHERITED(BluetoothLeDeviceEvent, Event)
NS_IMPL_CYCLE_COLLECTION_TRAVERSE_BEGIN_INHERITED(BluetoothLeDeviceEvent, Event)
NS_IMPL_CYCLE_COLLECTION_TRAVERSE(mDevice)
NS_IMPL_CYCLE_COLLECTION_TRAVERSE_END
NS_IMPL_CYCLE_COLLECTION_TRACE_BEGIN_INHERITED(BluetoothLeDeviceEvent, Event)
NS_IMPL_CYCLE_COLLECTION_TRACE_JS_MEMBER_CALLBACK(mScanRecord)
NS_IMPL_CYCLE_COLLECTION_TRACE_END
NS_IMPL_CYCLE_COLLECTION_UNLINK_BEGIN_INHERITED(BluetoothLeDeviceEvent, Event)
NS_IMPL_CYCLE_COLLECTION_UNLINK(mDevice)
tmp->mScanRecord = nullptr;
NS_IMPL_CYCLE_COLLECTION_UNLINK_END
NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION_INHERITED(BluetoothLeDeviceEvent)
NS_INTERFACE_MAP_END_INHERITING(Event)
BluetoothLeDeviceEvent::BluetoothLeDeviceEvent(mozilla::dom::EventTarget* aOwner)
: Event(aOwner, nullptr, nullptr)
{
mozilla::HoldJSObjects(this);
}
BluetoothLeDeviceEvent::~BluetoothLeDeviceEvent()
{
mScanRecord = nullptr;
mozilla::DropJSObjects(this);
}
JSObject*
BluetoothLeDeviceEvent::WrapObjectInternal(JSContext* aCx,
JS::Handle<JSObject*> aGivenProto)
{
return BluetoothLeDeviceEventBinding::Wrap(aCx, this, aGivenProto);
}
already_AddRefed<BluetoothLeDeviceEvent>
BluetoothLeDeviceEvent::Constructor(
mozilla::dom::EventTarget* aOwner,
const nsAString& aType,
BluetoothDevice* const aDevice,
const int16_t aRssi,
const nsTArray<uint8_t>& aScanRecord)
{
nsRefPtr<BluetoothLeDeviceEvent> e = new BluetoothLeDeviceEvent(aOwner);
bool trusted = e->Init(aOwner);
e->InitEvent(aType, false, false);
e->mDevice = aDevice;
e->mRssi = aRssi;
e->mRawScanRecord = aScanRecord;
e->SetTrusted(trusted);
return e.forget();
}
already_AddRefed<BluetoothLeDeviceEvent>
BluetoothLeDeviceEvent::Constructor(
const GlobalObject& aGlobal,
const nsAString& aType,
const BluetoothLeDeviceEventInit& aEventInitDict,
ErrorResult& aRv)
{
nsCOMPtr<mozilla::dom::EventTarget> owner =
do_QueryInterface(aGlobal.GetAsSupports());
nsRefPtr<BluetoothLeDeviceEvent> e = new BluetoothLeDeviceEvent(owner);
bool trusted = e->Init(owner);
e->InitEvent(aType, aEventInitDict.mBubbles, aEventInitDict.mCancelable);
e->mDevice = aEventInitDict.mDevice;
e->mRssi = aEventInitDict.mRssi;
if (!aEventInitDict.mScanRecord.IsNull()) {
const auto& scanRecord = aEventInitDict.mScanRecord.Value();
scanRecord.ComputeLengthAndData();
e->mScanRecord = ArrayBuffer::Create(aGlobal.Context(),
scanRecord.Length(),
scanRecord.Data());
if (!e->mScanRecord) {
aRv.Throw(NS_ERROR_OUT_OF_MEMORY);
return nullptr;
}
}
e->SetTrusted(trusted);
return e.forget();
}
BluetoothDevice*
BluetoothLeDeviceEvent::GetDevice() const
{
return mDevice;
}
int16_t
BluetoothLeDeviceEvent::Rssi() const
{
return mRssi;
}
void
BluetoothLeDeviceEvent::GetScanRecord(
JSContext* cx,
JS::MutableHandle<JSObject*> aScanRecord,
ErrorResult& aRv)
{
if (!mScanRecord) {
mScanRecord = ArrayBuffer::Create(cx,
mRawScanRecord.Length(),
mRawScanRecord.Elements());
if (!mScanRecord) {
aRv.Throw(NS_ERROR_OUT_OF_MEMORY);
return;
}
mRawScanRecord.Clear();
}
JS::ExposeObjectToActiveJS(mScanRecord);
aScanRecord.set(mScanRecord);
return;
}