gecko/content/media/eme/MediaKeyNeededEvent.cpp

121 lines
3.7 KiB
C++

/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
/* 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 "MediaKeyNeededEvent.h"
#include "mozilla/dom/MediaKeyNeededEventBinding.h"
#include "nsContentUtils.h"
#include "jsfriendapi.h"
#include "nsINode.h"
namespace mozilla {
namespace dom {
NS_IMPL_CYCLE_COLLECTION_CLASS(MediaKeyNeededEvent)
NS_IMPL_ADDREF_INHERITED(MediaKeyNeededEvent, Event)
NS_IMPL_RELEASE_INHERITED(MediaKeyNeededEvent, Event)
NS_IMPL_CYCLE_COLLECTION_TRAVERSE_BEGIN_INHERITED(MediaKeyNeededEvent, Event)
NS_IMPL_CYCLE_COLLECTION_TRAVERSE_END
NS_IMPL_CYCLE_COLLECTION_TRACE_BEGIN_INHERITED(MediaKeyNeededEvent, Event)
NS_IMPL_CYCLE_COLLECTION_TRACE_JS_MEMBER_CALLBACK(mInitData)
NS_IMPL_CYCLE_COLLECTION_TRACE_END
NS_IMPL_CYCLE_COLLECTION_UNLINK_BEGIN_INHERITED(MediaKeyNeededEvent, Event)
tmp->mInitData = nullptr;
NS_IMPL_CYCLE_COLLECTION_UNLINK_END
NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION_INHERITED(MediaKeyNeededEvent)
NS_INTERFACE_MAP_END_INHERITING(Event)
MediaKeyNeededEvent::MediaKeyNeededEvent(EventTarget* aOwner)
: Event(aOwner, nullptr, nullptr)
{
mozilla::HoldJSObjects(this);
}
MediaKeyNeededEvent::~MediaKeyNeededEvent()
{
mInitData = nullptr;
mozilla::DropJSObjects(this);
}
JSObject*
MediaKeyNeededEvent::WrapObject(JSContext* aCx)
{
return MediaKeyNeededEventBinding::Wrap(aCx, this);
}
already_AddRefed<MediaKeyNeededEvent>
MediaKeyNeededEvent::Constructor(EventTarget* aOwner,
const nsAString& aInitDataType,
const nsTArray<uint8_t>& aInitData)
{
nsRefPtr<MediaKeyNeededEvent> e = new MediaKeyNeededEvent(aOwner);
e->InitEvent(NS_LITERAL_STRING("needkey"), false, false);
e->mInitDataType = aInitDataType;
e->mRawInitData = aInitData;
e->SetTrusted(true);
return e.forget();
}
already_AddRefed<MediaKeyNeededEvent>
MediaKeyNeededEvent::Constructor(const GlobalObject& aGlobal,
const nsAString& aType,
const MediaKeyNeededEventInit& aEventInitDict,
ErrorResult& aRv)
{
nsCOMPtr<EventTarget> owner = do_QueryInterface(aGlobal.GetAsSupports());
nsRefPtr<MediaKeyNeededEvent> e = new MediaKeyNeededEvent(owner);
bool trusted = e->Init(owner);
e->InitEvent(aType, aEventInitDict.mBubbles, aEventInitDict.mCancelable);
e->mInitDataType = aEventInitDict.mInitDataType;
if (aEventInitDict.mInitData.WasPassed() &&
!aEventInitDict.mInitData.Value().IsNull()) {
const auto& a = aEventInitDict.mInitData.Value().Value();
a.ComputeLengthAndData();
e->mInitData = Uint8Array::Create(aGlobal.Context(), owner, a.Length(), a.Data());
if (!e->mInitData) {
aRv.Throw(NS_ERROR_OUT_OF_MEMORY);
return nullptr;
}
}
e->SetTrusted(trusted);
return e.forget();
}
void
MediaKeyNeededEvent::GetInitDataType(nsString& aRetVal) const
{
aRetVal = mInitDataType;
}
void
MediaKeyNeededEvent::GetInitData(JSContext* cx,
JS::MutableHandle<JSObject*> aData,
ErrorResult& aRv)
{
if (mRawInitData.Length()) {
mInitData = Uint8Array::Create(cx,
this,
mRawInitData.Length(),
mRawInitData.Elements());
if (!mInitData) {
aRv.Throw(NS_ERROR_OUT_OF_MEMORY);
return;
}
mRawInitData.Clear();
}
if (mInitData) {
JS::ExposeObjectToActiveJS(mInitData);
}
aData.set(mInitData);
}
} // namespace dom
} // namespace mozilla