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import FIREFOX_52_6_0esr_RELEASE from mozilla-esr52 hg repo

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Roy Tam 2018-01-19 03:59:58 +08:00
commit dcd9973243
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122
dom/media/eme/MediaKeyMessageEvent.cpp Normal file
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/* -*- 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 "mozilla/dom/MediaKeyMessageEvent.h"
#include "mozilla/dom/MediaKeyMessageEventBinding.h"
#include "js/GCAPI.h"
#include "jsfriendapi.h"
#include "mozilla/dom/Nullable.h"
#include "mozilla/dom/PrimitiveConversions.h"
#include "mozilla/HoldDropJSObjects.h"
#include "mozilla/dom/TypedArray.h"
#include "nsContentUtils.h"
#include "mozilla/dom/MediaKeys.h"
namespace mozilla {
namespace dom {
NS_IMPL_CYCLE_COLLECTION_CLASS(MediaKeyMessageEvent)
NS_IMPL_ADDREF_INHERITED(MediaKeyMessageEvent, Event)
NS_IMPL_RELEASE_INHERITED(MediaKeyMessageEvent, Event)
NS_IMPL_CYCLE_COLLECTION_TRAVERSE_BEGIN_INHERITED(MediaKeyMessageEvent, Event)
NS_IMPL_CYCLE_COLLECTION_TRAVERSE_END
NS_IMPL_CYCLE_COLLECTION_TRACE_BEGIN_INHERITED(MediaKeyMessageEvent, Event)
NS_IMPL_CYCLE_COLLECTION_TRACE_JS_MEMBER_CALLBACK(mMessage)
NS_IMPL_CYCLE_COLLECTION_TRACE_END
NS_IMPL_CYCLE_COLLECTION_UNLINK_BEGIN_INHERITED(MediaKeyMessageEvent, Event)
tmp->mMessage = nullptr;
mozilla::DropJSObjects(this);
NS_IMPL_CYCLE_COLLECTION_UNLINK_END
NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION_INHERITED(MediaKeyMessageEvent)
NS_INTERFACE_MAP_END_INHERITING(Event)
MediaKeyMessageEvent::MediaKeyMessageEvent(EventTarget* aOwner)
: Event(aOwner, nullptr, nullptr)
{
mozilla::HoldJSObjects(this);
}
MediaKeyMessageEvent::~MediaKeyMessageEvent()
{
mMessage = nullptr;
mozilla::DropJSObjects(this);
}
MediaKeyMessageEvent*
MediaKeyMessageEvent::AsMediaKeyMessageEvent()
{
return this;
}
JSObject*
MediaKeyMessageEvent::WrapObjectInternal(JSContext* aCx, JS::Handle<JSObject*> aGivenProto)
{
return MediaKeyMessageEventBinding::Wrap(aCx, this, aGivenProto);
}
already_AddRefed<MediaKeyMessageEvent>
MediaKeyMessageEvent::Constructor(EventTarget* aOwner,
MediaKeyMessageType aMessageType,
const nsTArray<uint8_t>& aMessage)
{
RefPtr<MediaKeyMessageEvent> e = new MediaKeyMessageEvent(aOwner);
e->InitEvent(NS_LITERAL_STRING("message"), false, false);
e->mMessageType = aMessageType;
e->mRawMessage = aMessage;
e->SetTrusted(true);
return e.forget();
}
already_AddRefed<MediaKeyMessageEvent>
MediaKeyMessageEvent::Constructor(const GlobalObject& aGlobal,
const nsAString& aType,
const MediaKeyMessageEventInit& aEventInitDict,
ErrorResult& aRv)
{
nsCOMPtr<EventTarget> owner = do_QueryInterface(aGlobal.GetAsSupports());
RefPtr<MediaKeyMessageEvent> e = new MediaKeyMessageEvent(owner);
bool trusted = e->Init(owner);
e->InitEvent(aType, aEventInitDict.mBubbles, aEventInitDict.mCancelable);
aEventInitDict.mMessage.ComputeLengthAndData();
e->mMessage = ArrayBuffer::Create(aGlobal.Context(),
aEventInitDict.mMessage.Length(),
aEventInitDict.mMessage.Data());
if (!e->mMessage) {
aRv.Throw(NS_ERROR_OUT_OF_MEMORY);
return nullptr;
}
e->mMessageType = aEventInitDict.mMessageType;
e->SetTrusted(trusted);
e->SetComposed(aEventInitDict.mComposed);
return e.forget();
}
void
MediaKeyMessageEvent::GetMessage(JSContext* cx,
JS::MutableHandle<JSObject*> aMessage,
ErrorResult& aRv)
{
if (!mMessage) {
mMessage = ArrayBuffer::Create(cx,
this,
mRawMessage.Length(),
mRawMessage.Elements());
if (!mMessage) {
aRv.Throw(NS_ERROR_OUT_OF_MEMORY);
return;
}
mRawMessage.Clear();
}
aMessage.set(mMessage);
}
} // namespace dom
} // namespace mozilla