/* -*- 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/MediaKeyStatusMap.h"

#include "nsPIDOMWindow.h"

#include "mozilla/dom/UnionTypes.h"

#include "mozilla/dom/ToJSValue.h"

#include "mozilla/EMEUtils.h"

#include "GMPUtils.h"

namespace mozilla {

namespace dom {

NS_IMPL_CYCLE_COLLECTING_ADDREF(MediaKeyStatusMap)

NS_IMPL_CYCLE_COLLECTING_RELEASE(MediaKeyStatusMap)

NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION(MediaKeyStatusMap)

  NS_WRAPPERCACHE_INTERFACE_MAP_ENTRY

  NS_INTERFACE_MAP_ENTRY(nsISupports)

NS_INTERFACE_MAP_END

NS_IMPL_CYCLE_COLLECTION_WRAPPERCACHE(MediaKeyStatusMap, mParent)

MediaKeyStatusMap::MediaKeyStatusMap(nsPIDOMWindowInner* aParent)

  : mParent(aParent)

{

}

MediaKeyStatusMap::~MediaKeyStatusMap()

{

}

JSObject*

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

{

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

}

nsPIDOMWindowInner*

MediaKeyStatusMap::GetParentObject() const

{

  return mParent;

}

void

MediaKeyStatusMap::Get(JSContext* aCx,

                       const ArrayBufferViewOrArrayBuffer& aKey,

                       JS::MutableHandle<JS::Value> aOutValue,

                       ErrorResult& aOutRv) const

{

  ArrayData keyId = GetArrayBufferViewOrArrayBufferData(aKey);

  if (!keyId.IsValid()) {

    aOutValue.setUndefined();

    return;

  }

  for (const KeyStatus& status : mStatuses) {

    if (keyId == status.mKeyId) {

      bool ok = ToJSValue(aCx, status.mStatus, aOutValue);

      if (!ok) {

        aOutRv.NoteJSContextException(aCx);

      }

      return;

    }

  }

  aOutValue.setUndefined();

}

bool

MediaKeyStatusMap::Has(const ArrayBufferViewOrArrayBuffer& aKey) const

{

  ArrayData keyId = GetArrayBufferViewOrArrayBufferData(aKey);

  if (!keyId.IsValid()) {

    return false;

  }

  for (const KeyStatus& status : mStatuses) {

    if (keyId == status.mKeyId) {

      return true;

    }

  }

  return false;

}

uint32_t

MediaKeyStatusMap::GetIterableLength() const

{

  return mStatuses.Length();

}

TypedArrayCreator<ArrayBuffer>

MediaKeyStatusMap::GetKeyAtIndex(uint32_t aIndex) const

{

  MOZ_ASSERT(aIndex < GetIterableLength());

  return TypedArrayCreator<ArrayBuffer>(mStatuses[aIndex].mKeyId);

}

nsString

MediaKeyStatusMap::GetKeyIDAsHexString(uint32_t aIndex) const

{

  MOZ_ASSERT(aIndex < GetIterableLength());

  return NS_ConvertUTF8toUTF16(ToHexString(mStatuses[aIndex].mKeyId));

}

MediaKeyStatus

MediaKeyStatusMap::GetValueAtIndex(uint32_t aIndex) const

{

  MOZ_ASSERT(aIndex < GetIterableLength());

  return mStatuses[aIndex].mStatus;

}

uint32_t

MediaKeyStatusMap::Size() const

{

  return mStatuses.Length();

}

void

MediaKeyStatusMap::Update(const nsTArray<CDMCaps::KeyStatus>& aKeys)

{

  mStatuses.Clear();

  for (const auto& key : aKeys) {

    mStatuses.InsertElementSorted(KeyStatus(key.mId, key.mStatus));

  }

}

} // namespace dom

} // namespace mozilla