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/* -*- 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/EventBinding.h"
#include "mozilla/dom/MIDIMessageEvent.h"
#include "mozilla/dom/MIDIMessageEventBinding.h"
#include "js/GCAPI.h"
#include "jsfriendapi.h"
#include "mozilla/FloatingPoint.h"
#include "mozilla/HoldDropJSObjects.h"
#include "mozilla/dom/Nullable.h"
#include "mozilla/dom/PrimitiveConversions.h"
#include "mozilla/dom/TypedArray.h"
#include "mozilla/dom/Performance.h"
namespace mozilla::dom {
NS_IMPL_CYCLE_COLLECTION_CLASS(MIDIMessageEvent)
NS_IMPL_ADDREF_INHERITED(MIDIMessageEvent, Event)
NS_IMPL_RELEASE_INHERITED(MIDIMessageEvent, Event)
NS_IMPL_CYCLE_COLLECTION_TRAVERSE_BEGIN_INHERITED(MIDIMessageEvent, Event)
NS_IMPL_CYCLE_COLLECTION_TRAVERSE_END
NS_IMPL_CYCLE_COLLECTION_TRACE_BEGIN_INHERITED(MIDIMessageEvent, Event)
NS_IMPL_CYCLE_COLLECTION_TRACE_JS_MEMBER_CALLBACK(mData)
NS_IMPL_CYCLE_COLLECTION_TRACE_END
NS_IMPL_CYCLE_COLLECTION_UNLINK_BEGIN_INHERITED(MIDIMessageEvent, Event)
tmp->mData = nullptr;
NS_IMPL_CYCLE_COLLECTION_UNLINK_END
NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION(MIDIMessageEvent)
NS_INTERFACE_MAP_END_INHERITING(Event)
MIDIMessageEvent::MIDIMessageEvent(mozilla::dom::EventTarget* aOwner)
: Event(aOwner, nullptr, nullptr) {
mozilla::HoldJSObjects(this);
}
MIDIMessageEvent::~MIDIMessageEvent() {
mData = nullptr;
mozilla::DropJSObjects(this);
}
JSObject* MIDIMessageEvent::WrapObjectInternal(
JSContext* aCx, JS::Handle<JSObject*> aGivenProto) {
return MIDIMessageEvent_Binding::Wrap(aCx, this, aGivenProto);
}
MIDIMessageEvent* MIDIMessageEvent::AsMIDIMessageEvent() { return this; }
already_AddRefed<MIDIMessageEvent> MIDIMessageEvent::Constructor(
EventTarget* aOwner, const class TimeStamp& aReceivedTime,
const nsTArray<uint8_t>& aData) {
MOZ_ASSERT(aOwner);
RefPtr<MIDIMessageEvent> e = new MIDIMessageEvent(aOwner);
e->InitEvent(u"midimessage"_ns, false, false);
e->mEvent->mTimeStamp = aReceivedTime;
e->mRawData = aData.Clone();
e->SetTrusted(true);
return e.forget();
}
already_AddRefed<MIDIMessageEvent> MIDIMessageEvent::Constructor(
const GlobalObject& aGlobal, const nsAString& aType,
const MIDIMessageEventInit& aEventInitDict, ErrorResult& aRv) {
nsCOMPtr<EventTarget> owner = do_QueryInterface(aGlobal.GetAsSupports());
RefPtr<MIDIMessageEvent> e = new MIDIMessageEvent(owner);
bool trusted = e->Init(owner);
e->InitEvent(aType, aEventInitDict.mBubbles, aEventInitDict.mCancelable);
// Set data for event. Timestamp will always be set to Now() (default for
// event) using this constructor.
const auto& a = aEventInitDict.mData.Value();
a.ComputeState();
e->mData = Uint8Array::Create(aGlobal.Context(), owner, a.Length(), a.Data());
if (NS_WARN_IF(!e->mData)) {
aRv.Throw(NS_ERROR_OUT_OF_MEMORY);
return nullptr;
}
e->SetTrusted(trusted);
mozilla::HoldJSObjects(e.get());
return e.forget();
}
void MIDIMessageEvent::GetData(JSContext* cx,
JS::MutableHandle<JSObject*> aData,
ErrorResult& aRv) {
if (!mData) {
mData =
Uint8Array::Create(cx, this, mRawData.Length(), mRawData.Elements());
if (!mData) {
aRv.Throw(NS_ERROR_OUT_OF_MEMORY);
return;
}
mRawData.Clear();
}
aData.set(mData);
}
} // namespace mozilla::dom
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