dom/payments/PaymentRequestUpdateEvent.cpp

   1 /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
   2 /* vim: set ts=8 sts=2 et sw=2 tw=80: */
   3 /* This Source Code Form is subject to the terms of the Mozilla Public
   4  * License, v. 2.0. If a copy of the MPL was not distributed with this
   5  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
   6
   7 #include "mozilla/dom/PaymentRequestUpdateEvent.h"
   8 #include "mozilla/dom/PaymentRequest.h"
   9 #include "mozilla/dom/RootedDictionary.h"
  10
  11 namespace mozilla::dom {
  12
  13 NS_IMPL_CYCLE_COLLECTION_INHERITED(PaymentRequestUpdateEvent, Event, mRequest)
  14
  15 NS_IMPL_CYCLE_COLLECTION_TRACE_BEGIN_INHERITED(PaymentRequestUpdateEvent, Event)
  16 NS_IMPL_CYCLE_COLLECTION_TRACE_END
  17
  18 NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION(PaymentRequestUpdateEvent)
  19 NS_INTERFACE_MAP_END_INHERITING(Event)
  20
  21 NS_IMPL_ADDREF_INHERITED(PaymentRequestUpdateEvent, Event)
  22 NS_IMPL_RELEASE_INHERITED(PaymentRequestUpdateEvent, Event)
  23
  24 already_AddRefed<PaymentRequestUpdateEvent>
  25 PaymentRequestUpdateEvent::Constructor(
  26     mozilla::dom::EventTarget* aOwner, const nsAString& aType,
  27     const PaymentRequestUpdateEventInit& aEventInitDict) {
  28   RefPtr<PaymentRequestUpdateEvent> e = new PaymentRequestUpdateEvent(aOwner);
  29   bool trusted = e->Init(aOwner);
  30   e->InitEvent(aType, aEventInitDict.mBubbles, aEventInitDict.mCancelable);
  31   e->SetTrusted(trusted);
  32   e->SetComposed(aEventInitDict.mComposed);
  33   return e.forget();
  34 }
  35
  36 already_AddRefed<PaymentRequestUpdateEvent>
  37 PaymentRequestUpdateEvent::Constructor(
  38     const GlobalObject& aGlobal, const nsAString& aType,
  39     const PaymentRequestUpdateEventInit& aEventInitDict) {
  40   nsCOMPtr<mozilla::dom::EventTarget> owner =
  41       do_QueryInterface(aGlobal.GetAsSupports());
  42   return Constructor(owner, aType, aEventInitDict);
  43 }
  44
  45 PaymentRequestUpdateEvent::PaymentRequestUpdateEvent(EventTarget* aOwner)
  46     : Event(aOwner, nullptr, nullptr),
  47       mWaitForUpdate(false),
  48       mRequest(nullptr) {
  49   MOZ_ASSERT(aOwner);
  50 }
  51
  52 void PaymentRequestUpdateEvent::ResolvedCallback(JSContext* aCx,
  53                                                  JS::Handle<JS::Value> aValue,
  54                                                  ErrorResult& aRv) {
  55   MOZ_ASSERT(aCx);
  56   MOZ_ASSERT(mRequest);
  57   if (!mRequest->InFullyActiveDocument()) {
  58     return;
  59   }
  60
  61   if (NS_WARN_IF(!aValue.isObject()) || !mWaitForUpdate) {
  62     return;
  63   }
  64
  65   ErrorResult rv;
  66   // Converting value to a PaymentDetailsUpdate dictionary
  67   RootedDictionary<PaymentDetailsUpdate> details(aCx);
  68   if (!details.Init(aCx, aValue)) {
  69     rv.StealExceptionFromJSContext(aCx);
  70     mRequest->AbortUpdate(rv);
  71     return;
  72   }
  73
  74   // Validate and canonicalize the details
  75   // requestShipping must be true here. PaymentRequestUpdateEvent is only
  76   // dispatched when shippingAddress/shippingOption is changed, and it also
  77   // means Options.RequestShipping must be true while creating the corresponding
  78   // PaymentRequest.
  79   mRequest->IsValidDetailsUpdate(details, true /*aRequestShipping*/, rv);
  80   if (rv.Failed()) {
  81     mRequest->AbortUpdate(rv);
  82     return;
  83   }
  84
  85   // Update the PaymentRequest with the new details
  86   mRequest->UpdatePayment(aCx, details, rv);
  87   if (rv.Failed()) {
  88     mRequest->AbortUpdate(rv);
  89     return;
  90   }
  91
  92   mWaitForUpdate = false;
  93   mRequest->SetUpdating(false);
  94 }
  95
  96 void PaymentRequestUpdateEvent::RejectedCallback(JSContext* aCx,
  97                                                  JS::Handle<JS::Value> aValue,
  98                                                  ErrorResult& aRv) {
  99   MOZ_ASSERT(mRequest);
 100   if (!mRequest->InFullyActiveDocument()) {
 101     return;
 102   }
 103
 104   ErrorResult rejectReason;
 105   rejectReason.ThrowAbortError(
 106       "Details promise for PaymentRequestUpdateEvent.updateWith() is rejected "
 107       "by merchant");
 108   mRequest->AbortUpdate(rejectReason);
 109   mWaitForUpdate = false;
 110   mRequest->SetUpdating(false);
 111 }
 112
 113 void PaymentRequestUpdateEvent::UpdateWith(Promise& aPromise,
 114                                            ErrorResult& aRv) {
 115   if (!IsTrusted()) {
 116     aRv.ThrowInvalidStateError("Called on an untrusted event");
 117     return;
 118   }
 119
 120   MOZ_ASSERT(mRequest);
 121   if (!mRequest->InFullyActiveDocument()) {
 122     return;
 123   }
 124
 125   if (mWaitForUpdate || !mRequest->ReadyForUpdate()) {
 126     aRv.ThrowInvalidStateError(
 127         "The PaymentRequestUpdateEvent is waiting for update");
 128     return;
 129   }
 130
 131   if (!mRequest->ReadyForUpdate()) {
 132     aRv.ThrowInvalidStateError(
 133         "The PaymentRequest state is not eInteractive or is the PaymentRequest "
 134         "is updating");
 135     return;
 136   }
 137
 138   aPromise.AppendNativeHandler(this);
 139
 140   StopPropagation();
 141   StopImmediatePropagation();
 142   mWaitForUpdate = true;
 143   mRequest->SetUpdating(true);
 144 }
 145
 146 void PaymentRequestUpdateEvent::SetRequest(PaymentRequest* aRequest) {
 147   MOZ_ASSERT(IsTrusted());
 148   MOZ_ASSERT(!mRequest);
 149   MOZ_ASSERT(aRequest);
 150
 151   mRequest = aRequest;
 152 }
 153
 154 PaymentRequestUpdateEvent::~PaymentRequestUpdateEvent() = default;
 155
 156 JSObject* PaymentRequestUpdateEvent::WrapObjectInternal(
 157     JSContext* aCx, JS::Handle<JSObject*> aGivenProto) {
 158   return PaymentRequestUpdateEvent_Binding::Wrap(aCx, this, aGivenProto);
 159 }
 160
 161 }  // namespace mozilla::dom