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-rw-r--r--dom/base/DOMRequest.h103
1 files changed, 103 insertions, 0 deletions
diff --git a/dom/base/DOMRequest.h b/dom/base/DOMRequest.h
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+/* -*- 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/. */
+
+#ifndef mozilla_dom_domrequest_h__
+#define mozilla_dom_domrequest_h__
+
+#include "nsIDOMRequestService.h"
+#include "mozilla/Attributes.h"
+#include "mozilla/DOMEventTargetHelper.h"
+#include "mozilla/dom/DOMException.h"
+#include "mozilla/dom/DOMRequestBinding.h"
+
+#include "nsCOMPtr.h"
+
+namespace mozilla {
+
+class ErrorResult;
+
+namespace dom {
+
+class AnyCallback;
+class Promise;
+
+class DOMRequest : public DOMEventTargetHelper {
+ protected:
+ JS::Heap<JS::Value> mResult;
+ RefPtr<DOMException> mError;
+ RefPtr<Promise> mPromise;
+ bool mDone;
+
+ public:
+ NS_DECL_ISUPPORTS_INHERITED
+
+ NS_DECL_CYCLE_COLLECTION_SCRIPT_HOLDER_CLASS_INHERITED(DOMRequest,
+ DOMEventTargetHelper)
+
+ // WrapperCache
+ nsPIDOMWindowInner* GetParentObject() const { return GetOwner(); }
+
+ virtual JSObject* WrapObject(JSContext* aCx,
+ JS::Handle<JSObject*> aGivenProto) override;
+
+ // WebIDL Interface
+ DOMRequestReadyState ReadyState() const {
+ return mDone ? DOMRequestReadyState::Done : DOMRequestReadyState::Pending;
+ }
+
+ void GetResult(JSContext*, JS::MutableHandle<JS::Value> aRetval) const {
+ NS_ASSERTION(mDone || mResult.isUndefined(),
+ "Result should be undefined when pending");
+ aRetval.set(mResult);
+ }
+
+ DOMException* GetError() const {
+ NS_ASSERTION(mDone || !mError, "Error should be null when pending");
+ return mError;
+ }
+
+ IMPL_EVENT_HANDLER(success)
+ IMPL_EVENT_HANDLER(error)
+
+ void Then(JSContext* aCx, AnyCallback* aResolveCallback,
+ AnyCallback* aRejectCallback, JS::MutableHandle<JS::Value> aRetval,
+ mozilla::ErrorResult& aRv);
+
+ void FireSuccess(JS::Handle<JS::Value> aResult);
+ void FireError(const nsAString& aError);
+ void FireError(nsresult aError);
+ void FireDetailedError(DOMException& aError);
+
+ explicit DOMRequest(nsPIDOMWindowInner* aWindow);
+ explicit DOMRequest(nsIGlobalObject* aGlobal);
+
+ protected:
+ virtual ~DOMRequest();
+
+ void FireEvent(const nsAString& aType, bool aBubble, bool aCancelable);
+
+ void RootResultVal();
+};
+
+class DOMRequestService final : public nsIDOMRequestService {
+ ~DOMRequestService() = default;
+
+ public:
+ NS_DECL_ISUPPORTS
+ NS_DECL_NSIDOMREQUESTSERVICE
+
+ // No one should call this but the factory.
+ static already_AddRefed<DOMRequestService> FactoryCreate() {
+ return MakeAndAddRef<DOMRequestService>();
+ }
+};
+
+} // namespace dom
+} // namespace mozilla
+
+#define DOMREQUEST_SERVICE_CONTRACTID "@mozilla.org/dom/dom-request-service;1"
+
+#endif // mozilla_dom_domrequest_h__