зеркало из https://github.com/mozilla/gecko-dev.git
127 строки
3.8 KiB
C++
127 строки
3.8 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/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/dom/Nullable.h"
|
|
#include "mozilla/dom/PrimitiveConversions.h"
|
|
#include "mozilla/dom/TypedArray.h"
|
|
#include "mozilla/dom/Performance.h"
|
|
|
|
namespace mozilla {
|
|
namespace 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(NS_LITERAL_STRING("midimessage"), false, false);
|
|
e->mEvent->mTimeStamp = aReceivedTime;
|
|
e->mRawData = aData;
|
|
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.ComputeLengthAndData();
|
|
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();
|
|
JS::ExposeObjectToActiveJS(mData);
|
|
}
|
|
aData.set(mData);
|
|
}
|
|
|
|
|
|
} // namespace dom
|
|
} // namespace mozilla
|