/* -*- 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/PaymentRequestUpdateEvent.h"

namespace mozilla {

namespace dom {

NS_IMPL_CYCLE_COLLECTION_INHERITED(PaymentRequestUpdateEvent, Event, mRequest)

NS_IMPL_CYCLE_COLLECTION_TRACE_BEGIN_INHERITED(PaymentRequestUpdateEvent, Event)

NS_IMPL_CYCLE_COLLECTION_TRACE_END

NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION(PaymentRequestUpdateEvent)

NS_INTERFACE_MAP_END_INHERITING(Event)

NS_IMPL_ADDREF_INHERITED(PaymentRequestUpdateEvent, Event)

NS_IMPL_RELEASE_INHERITED(PaymentRequestUpdateEvent, Event)

already_AddRefed<PaymentRequestUpdateEvent>

PaymentRequestUpdateEvent::Constructor(

    mozilla::dom::EventTarget* aOwner, const nsAString& aType,

    const PaymentRequestUpdateEventInit& aEventInitDict) {

  RefPtr<PaymentRequestUpdateEvent> e = new PaymentRequestUpdateEvent(aOwner);

  bool trusted = e->Init(aOwner);

  e->InitEvent(aType, aEventInitDict.mBubbles, aEventInitDict.mCancelable);

  e->SetTrusted(trusted);

  e->SetComposed(aEventInitDict.mComposed);

  return e.forget();

}

already_AddRefed<PaymentRequestUpdateEvent>

PaymentRequestUpdateEvent::Constructor(

    const GlobalObject& aGlobal, const nsAString& aType,

    const PaymentRequestUpdateEventInit& aEventInitDict, ErrorResult& aRv) {

  nsCOMPtr<mozilla::dom::EventTarget> owner =

      do_QueryInterface(aGlobal.GetAsSupports());

  return Constructor(owner, aType, aEventInitDict);

}

PaymentRequestUpdateEvent::PaymentRequestUpdateEvent(EventTarget* aOwner)

    : Event(aOwner, nullptr, nullptr),

      mWaitForUpdate(false),

      mRequest(nullptr) {

  MOZ_ASSERT(aOwner);

}

void PaymentRequestUpdateEvent::ResolvedCallback(JSContext* aCx,

                                                 JS::Handle<JS::Value> aValue) {

  MOZ_ASSERT(aCx);

  MOZ_ASSERT(mRequest);

  if (NS_WARN_IF(!aValue.isObject()) || !mWaitForUpdate) {

    return;

  }

  // Converting value to a PaymentDetailsUpdate dictionary

  PaymentDetailsUpdate details;

  if (!details.Init(aCx, aValue)) {

    return;

  }

  // Validate and canonicalize the details

  // requestShipping must be true here. PaymentRequestUpdateEvent is only

  // dispatched when shippingAddress/shippingOption is changed, and it also

  // means Options.RequestShipping must be true while creating the corresponding

  // PaymentRequest.

  nsresult rv =

      mRequest->IsValidDetailsUpdate(details, true /*aRequestShipping*/);

  if (NS_FAILED(rv)) {

    mRequest->AbortUpdate(rv);

    return;

  }

  // Update the PaymentRequest with the new details

  if (NS_FAILED(mRequest->UpdatePayment(aCx, details))) {

    mRequest->AbortUpdate(NS_ERROR_DOM_ABORT_ERR);

    return;

  }

  mWaitForUpdate = false;

  mRequest->SetUpdating(false);

}

void PaymentRequestUpdateEvent::RejectedCallback(JSContext* aCx,

                                                 JS::Handle<JS::Value> aValue) {

  MOZ_ASSERT(mRequest);

  mRequest->AbortUpdate(NS_ERROR_DOM_ABORT_ERR);

  mWaitForUpdate = false;

  mRequest->SetUpdating(false);

}

void PaymentRequestUpdateEvent::UpdateWith(Promise& aPromise,

                                           ErrorResult& aRv) {

  if (!IsTrusted()) {

    aRv.Throw(NS_ERROR_DOM_INVALID_STATE_ERR);

    return;

  }

  MOZ_ASSERT(mRequest);

  if (mWaitForUpdate || !mRequest->ReadyForUpdate()) {

    aRv.Throw(NS_ERROR_DOM_INVALID_STATE_ERR);

    return;

  }

  aPromise.AppendNativeHandler(this);

  StopPropagation();

  StopImmediatePropagation();

  mWaitForUpdate = true;

  mRequest->SetUpdating(true);

}

void PaymentRequestUpdateEvent::SetRequest(PaymentRequest* aRequest) {

  MOZ_ASSERT(IsTrusted());

  MOZ_ASSERT(!mRequest);

  MOZ_ASSERT(aRequest);

  mRequest = aRequest;

}

PaymentRequestUpdateEvent::~PaymentRequestUpdateEvent() {}

JSObject* PaymentRequestUpdateEvent::WrapObjectInternal(

    JSContext* aCx, JS::Handle<JSObject*> aGivenProto) {

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

}

}  // namespace dom

}  // namespace mozilla