1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/dom/base/DOMRequest.h Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,109 @@
1.4 +/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
1.5 +/* vim: set ts=2 et sw=2 tw=80: */
1.6 +/* This Source Code Form is subject to the terms of the Mozilla Public
1.7 + * License, v. 2.0. If a copy of the MPL was not distributed with this file,
1.8 + * You can obtain one at http://mozilla.org/MPL/2.0/. */
1.9 +
1.10 +#ifndef mozilla_dom_domrequest_h__
1.11 +#define mozilla_dom_domrequest_h__
1.12 +
1.13 +#include "nsIDOMDOMRequest.h"
1.14 +#include "mozilla/Attributes.h"
1.15 +#include "mozilla/DOMEventTargetHelper.h"
1.16 +#include "mozilla/dom/DOMRequestBinding.h"
1.17 +
1.18 +#include "nsCOMPtr.h"
1.19 +
1.20 +namespace mozilla {
1.21 +namespace dom {
1.22 +
1.23 +class DOMRequest : public DOMEventTargetHelper,
1.24 + public nsIDOMDOMRequest
1.25 +{
1.26 +protected:
1.27 + JS::Heap<JS::Value> mResult;
1.28 + nsCOMPtr<nsISupports> mError;
1.29 + bool mDone;
1.30 +
1.31 +public:
1.32 + NS_DECL_ISUPPORTS_INHERITED
1.33 + NS_DECL_NSIDOMDOMREQUEST
1.34 + NS_REALLY_FORWARD_NSIDOMEVENTTARGET(DOMEventTargetHelper)
1.35 +
1.36 + NS_DECL_CYCLE_COLLECTION_SCRIPT_HOLDER_CLASS_INHERITED(DOMRequest,
1.37 + DOMEventTargetHelper)
1.38 +
1.39 + // WrapperCache
1.40 + nsPIDOMWindow* GetParentObject() const
1.41 + {
1.42 + return GetOwner();
1.43 + }
1.44 +
1.45 + virtual JSObject* WrapObject(JSContext* aCx) MOZ_OVERRIDE;
1.46 +
1.47 + // WebIDL Interface
1.48 + DOMRequestReadyState ReadyState() const
1.49 + {
1.50 + return mDone ? DOMRequestReadyState::Done
1.51 + : DOMRequestReadyState::Pending;
1.52 + }
1.53 +
1.54 + void GetResult(JSContext*, JS::MutableHandle<JS::Value> aRetval) const
1.55 + {
1.56 + NS_ASSERTION(mDone || mResult == JSVAL_VOID,
1.57 + "Result should be undefined when pending");
1.58 + JS::ExposeValueToActiveJS(mResult);
1.59 + aRetval.set(mResult);
1.60 + }
1.61 +
1.62 + nsISupports* GetError() const
1.63 + {
1.64 + NS_ASSERTION(mDone || !mError,
1.65 + "Error should be null when pending");
1.66 + return mError;
1.67 + }
1.68 +
1.69 + IMPL_EVENT_HANDLER(success)
1.70 + IMPL_EVENT_HANDLER(error)
1.71 +
1.72 +
1.73 + void FireSuccess(JS::Handle<JS::Value> aResult);
1.74 + void FireError(const nsAString& aError);
1.75 + void FireError(nsresult aError);
1.76 + void FireDetailedError(nsISupports* aError);
1.77 +
1.78 + DOMRequest(nsPIDOMWindow* aWindow);
1.79 +
1.80 + virtual ~DOMRequest()
1.81 + {
1.82 + mResult = JSVAL_VOID;
1.83 + mozilla::DropJSObjects(this);
1.84 + }
1.85 +
1.86 +protected:
1.87 + void FireEvent(const nsAString& aType, bool aBubble, bool aCancelable);
1.88 +
1.89 + void RootResultVal();
1.90 +};
1.91 +
1.92 +class DOMRequestService MOZ_FINAL : public nsIDOMRequestService
1.93 +{
1.94 +public:
1.95 + NS_DECL_ISUPPORTS
1.96 + NS_DECL_NSIDOMREQUESTSERVICE
1.97 +
1.98 + // Returns an owning reference! No one should call this but the factory.
1.99 + static DOMRequestService* FactoryCreate()
1.100 + {
1.101 + DOMRequestService* res = new DOMRequestService;
1.102 + NS_ADDREF(res);
1.103 + return res;
1.104 + }
1.105 +};
1.106 +
1.107 +} // namespace dom
1.108 +} // namespace mozilla
1.109 +
1.110 +#define DOMREQUEST_SERVICE_CONTRACTID "@mozilla.org/dom/dom-request-service;1"
1.111 +
1.112 +#endif // mozilla_dom_domrequest_h__
