/* -*- 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 "MediaElementAudioSourceNode.h"

#include "mozilla/dom/MediaElementAudioSourceNodeBinding.h"

#include "AudioDestinationNode.h"

#include "nsIScriptError.h"

#include "AudioNodeStream.h"

namespace mozilla {

namespace dom {

MediaElementAudioSourceNode::MediaElementAudioSourceNode(AudioContext* aContext)

  : MediaStreamAudioSourceNode(aContext)

{

}

/* static */ already_AddRefed<MediaElementAudioSourceNode>

MediaElementAudioSourceNode::Create(AudioContext& aAudioContext,

                                    const MediaElementAudioSourceOptions& aOptions,

                                    ErrorResult& aRv)

{

  if (aAudioContext.IsOffline()) {

    aRv.Throw(NS_ERROR_DOM_NOT_SUPPORTED_ERR);

    return nullptr;

  }

  if (aAudioContext.CheckClosed(aRv)) {

    return nullptr;

  }

  RefPtr<MediaElementAudioSourceNode> node =

    new MediaElementAudioSourceNode(&aAudioContext);

  RefPtr<DOMMediaStream> stream =

    aOptions.mMediaElement->CaptureAudio(aRv, aAudioContext.Destination()->Stream()->Graph());

  if (aRv.Failed()) {

    return nullptr;

  }

  node->Init(stream, aRv);

  if (aRv.Failed()) {

    return nullptr;

  }

  return node.forget();

}

JSObject*

MediaElementAudioSourceNode::WrapObject(JSContext* aCx, JS::Handle<JSObject*> aGivenProto)

{

  return MediaElementAudioSourceNode_Binding::Wrap(aCx, this, aGivenProto);

}

} // namespace dom

} // namespace mozilla