зеркало из https://github.com/mozilla/gecko-dev.git
133 строки
4.1 KiB
C++
133 строки
4.1 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=8 sts=2 et sw=2 tw=80: */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this file,
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* You can obtain one at http://mozilla.org/MPL/2.0/. */
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#include "MediaEncryptedEvent.h"
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#include "mozilla/dom/MediaEncryptedEventBinding.h"
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#include "nsContentUtils.h"
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#include "jsfriendapi.h"
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#include "nsINode.h"
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#include "mozilla/dom/MediaKeys.h"
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namespace mozilla {
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namespace dom {
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NS_IMPL_CYCLE_COLLECTION_CLASS(MediaEncryptedEvent)
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NS_IMPL_ADDREF_INHERITED(MediaEncryptedEvent, Event)
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NS_IMPL_RELEASE_INHERITED(MediaEncryptedEvent, Event)
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NS_IMPL_CYCLE_COLLECTION_TRAVERSE_BEGIN_INHERITED(MediaEncryptedEvent, Event)
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NS_IMPL_CYCLE_COLLECTION_TRAVERSE_END
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NS_IMPL_CYCLE_COLLECTION_TRACE_BEGIN_INHERITED(MediaEncryptedEvent, Event)
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NS_IMPL_CYCLE_COLLECTION_TRACE_JS_MEMBER_CALLBACK(mInitData)
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NS_IMPL_CYCLE_COLLECTION_TRACE_END
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NS_IMPL_CYCLE_COLLECTION_UNLINK_BEGIN_INHERITED(MediaEncryptedEvent, Event)
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tmp->mInitData = nullptr;
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mozilla::DropJSObjects(this);
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NS_IMPL_CYCLE_COLLECTION_UNLINK_END
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NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION_INHERITED(MediaEncryptedEvent)
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NS_INTERFACE_MAP_END_INHERITING(Event)
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MediaEncryptedEvent::MediaEncryptedEvent(EventTarget* aOwner)
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: Event(aOwner, nullptr, nullptr)
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{
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mozilla::HoldJSObjects(this);
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}
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MediaEncryptedEvent::~MediaEncryptedEvent()
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{
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mInitData = nullptr;
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mozilla::DropJSObjects(this);
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}
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JSObject*
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MediaEncryptedEvent::WrapObjectInternal(JSContext* aCx, JS::Handle<JSObject*> aGivenProto)
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{
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return MediaEncryptedEventBinding::Wrap(aCx, this, aGivenProto);
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}
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already_AddRefed<MediaEncryptedEvent>
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MediaEncryptedEvent::Constructor(EventTarget* aOwner)
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{
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RefPtr<MediaEncryptedEvent> e = new MediaEncryptedEvent(aOwner);
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e->InitEvent(NS_LITERAL_STRING("encrypted"), false, false);
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e->SetTrusted(true);
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return e.forget();
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}
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already_AddRefed<MediaEncryptedEvent>
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MediaEncryptedEvent::Constructor(EventTarget* aOwner,
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const nsAString& aInitDataType,
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const nsTArray<uint8_t>& aInitData)
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{
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RefPtr<MediaEncryptedEvent> e = new MediaEncryptedEvent(aOwner);
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e->InitEvent(NS_LITERAL_STRING("encrypted"), false, false);
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e->mInitDataType = aInitDataType;
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e->mRawInitData = aInitData;
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e->SetTrusted(true);
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return e.forget();
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}
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already_AddRefed<MediaEncryptedEvent>
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MediaEncryptedEvent::Constructor(const GlobalObject& aGlobal,
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const nsAString& aType,
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const MediaKeyNeededEventInit& aEventInitDict,
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ErrorResult& aRv)
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{
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nsCOMPtr<EventTarget> owner = do_QueryInterface(aGlobal.GetAsSupports());
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RefPtr<MediaEncryptedEvent> e = new MediaEncryptedEvent(owner);
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bool trusted = e->Init(owner);
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e->InitEvent(aType, aEventInitDict.mBubbles, aEventInitDict.mCancelable);
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e->mInitDataType = aEventInitDict.mInitDataType;
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if (!aEventInitDict.mInitData.IsNull()) {
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const auto& a = aEventInitDict.mInitData.Value();
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a.ComputeLengthAndData();
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e->mInitData = ArrayBuffer::Create(aGlobal.Context(),
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a.Length(),
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a.Data());
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if (!e->mInitData) {
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aRv.Throw(NS_ERROR_OUT_OF_MEMORY);
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return nullptr;
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}
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}
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e->SetTrusted(trusted);
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return e.forget();
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}
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void
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MediaEncryptedEvent::GetInitDataType(nsString& aRetVal) const
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{
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aRetVal = mInitDataType;
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}
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void
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MediaEncryptedEvent::GetInitData(JSContext* cx,
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JS::MutableHandle<JSObject*> aData,
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ErrorResult& aRv)
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{
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if (mRawInitData.Length()) {
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mInitData = ArrayBuffer::Create(cx,
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this,
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mRawInitData.Length(),
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mRawInitData.Elements());
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if (!mInitData) {
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aRv.Throw(NS_ERROR_OUT_OF_MEMORY);
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return;
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}
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mRawInitData.Clear();
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}
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if (mInitData) {
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JS::ExposeObjectToActiveJS(mInitData);
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}
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aData.set(mInitData);
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}
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} // namespace dom
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} // namespace mozilla
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