summaryrefslogtreecommitdiffstats
path: root/dom/midi/MIDIMessageEvent.cpp
diff options
context:
space:
mode:
Diffstat (limited to 'dom/midi/MIDIMessageEvent.cpp')
-rw-r--r--dom/midi/MIDIMessageEvent.cpp95
1 files changed, 95 insertions, 0 deletions
diff --git a/dom/midi/MIDIMessageEvent.cpp b/dom/midi/MIDIMessageEvent.cpp
new file mode 100644
index 0000000000..793cb4eeca
--- /dev/null
+++ b/dom/midi/MIDIMessageEvent.cpp
@@ -0,0 +1,95 @@
+/* -*- 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 "js/Realm.h"
+#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_INHERITED_WITH_JS_MEMBERS(MIDIMessageEvent, Event, (),
+ (mData))
+
+NS_IMPL_ADDREF_INHERITED(MIDIMessageEvent, Event)
+NS_IMPL_RELEASE_INHERITED(MIDIMessageEvent, Event)
+
+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() { 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.
+ if (aEventInitDict.mData.WasPassed()) {
+ JSAutoRealm ar(aGlobal.Context(), aGlobal.Get());
+ JS::Rooted<JSObject*> data(aGlobal.Context(),
+ aEventInitDict.mData.Value().Obj());
+ e->mData = JS_NewUint8ArrayFromArray(aGlobal.Context(), 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, aRv);
+ if (aRv.Failed()) {
+ return;
+ }
+ mRawData.Clear();
+ }
+ aData.set(mData);
+}
+
+} // namespace mozilla::dom