gecko-dev/dom/payments/PaymentRequestUpdateEvent.cpp
Boris Zbarsky 3bf84b1452 Bug 1519284. Fix rooting hazards in PaymentRequest. r=baku
Differential Revision: https://phabricator.services.mozilla.com/D16891

--HG--
extra : moz-landing-system : lando
2019-01-18 09:18:18 +00:00

147 lines
4.5 KiB
C++

/* -*- 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"
#include "mozilla/dom/RootedDictionary.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 (!mRequest->InFullyActiveDocument()) {
return;
}
if (NS_WARN_IF(!aValue.isObject()) || !mWaitForUpdate) {
return;
}
// Converting value to a PaymentDetailsUpdate dictionary
RootedDictionary<PaymentDetailsUpdate> details(aCx);
if (!details.Init(aCx, aValue)) {
mRequest->AbortUpdate(NS_ERROR_TYPE_ERR);
JS_ClearPendingException(aCx);
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);
if (!mRequest->InFullyActiveDocument()) {
return;
}
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 (!mRequest->InFullyActiveDocument()) {
return;
}
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 PaymentRequestUpdateEvent_Binding::Wrap(aCx, this, aGivenProto);
}
} // namespace dom
} // namespace mozilla