michael@0: /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
michael@0: /* vim: set ts=2 et sw=2 tw=80: */
michael@0: /* This Source Code Form is subject to the terms of the Mozilla Public
michael@0:  * License, v. 2.0. If a copy of the MPL was not distributed with this file,
michael@0:  * You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0: 
michael@0: #ifndef mozilla_dom_domrequest_h__
michael@0: #define mozilla_dom_domrequest_h__
michael@0: 
michael@0: #include "nsIDOMDOMRequest.h"
michael@0: #include "mozilla/Attributes.h"
michael@0: #include "mozilla/DOMEventTargetHelper.h"
michael@0: #include "mozilla/dom/DOMRequestBinding.h"
michael@0: 
michael@0: #include "nsCOMPtr.h"
michael@0: 
michael@0: namespace mozilla {
michael@0: namespace dom {
michael@0: 
michael@0: class DOMRequest : public DOMEventTargetHelper,
michael@0:                    public nsIDOMDOMRequest
michael@0: {
michael@0: protected:
michael@0:   JS::Heap<JS::Value> mResult;
michael@0:   nsCOMPtr<nsISupports> mError;
michael@0:   bool mDone;
michael@0: 
michael@0: public:
michael@0:   NS_DECL_ISUPPORTS_INHERITED
michael@0:   NS_DECL_NSIDOMDOMREQUEST
michael@0:   NS_REALLY_FORWARD_NSIDOMEVENTTARGET(DOMEventTargetHelper)
michael@0: 
michael@0:   NS_DECL_CYCLE_COLLECTION_SCRIPT_HOLDER_CLASS_INHERITED(DOMRequest,
michael@0:                                                          DOMEventTargetHelper)
michael@0: 
michael@0:   // WrapperCache
michael@0:   nsPIDOMWindow* GetParentObject() const
michael@0:   {
michael@0:     return GetOwner();
michael@0:   }
michael@0: 
michael@0:   virtual JSObject* WrapObject(JSContext* aCx) MOZ_OVERRIDE;
michael@0: 
michael@0:   // WebIDL Interface
michael@0:   DOMRequestReadyState ReadyState() const
michael@0:   {
michael@0:     return mDone ? DOMRequestReadyState::Done
michael@0:                  : DOMRequestReadyState::Pending;
michael@0:   }
michael@0: 
michael@0:   void GetResult(JSContext*, JS::MutableHandle<JS::Value> aRetval) const
michael@0:   {
michael@0:     NS_ASSERTION(mDone || mResult == JSVAL_VOID,
michael@0:                  "Result should be undefined when pending");
michael@0:     JS::ExposeValueToActiveJS(mResult);
michael@0:     aRetval.set(mResult);
michael@0:   }
michael@0: 
michael@0:   nsISupports* GetError() const
michael@0:   {
michael@0:     NS_ASSERTION(mDone || !mError,
michael@0:                  "Error should be null when pending");
michael@0:     return mError;
michael@0:   }
michael@0: 
michael@0:   IMPL_EVENT_HANDLER(success)
michael@0:   IMPL_EVENT_HANDLER(error)
michael@0: 
michael@0: 
michael@0:   void FireSuccess(JS::Handle<JS::Value> aResult);
michael@0:   void FireError(const nsAString& aError);
michael@0:   void FireError(nsresult aError);
michael@0:   void FireDetailedError(nsISupports* aError);
michael@0: 
michael@0:   DOMRequest(nsPIDOMWindow* aWindow);
michael@0: 
michael@0:   virtual ~DOMRequest()
michael@0:   {
michael@0:     mResult = JSVAL_VOID;
michael@0:     mozilla::DropJSObjects(this);
michael@0:   }
michael@0: 
michael@0: protected:
michael@0:   void FireEvent(const nsAString& aType, bool aBubble, bool aCancelable);
michael@0: 
michael@0:   void RootResultVal();
michael@0: };
michael@0: 
michael@0: class DOMRequestService MOZ_FINAL : public nsIDOMRequestService
michael@0: {
michael@0: public:
michael@0:   NS_DECL_ISUPPORTS
michael@0:   NS_DECL_NSIDOMREQUESTSERVICE
michael@0: 
michael@0:   // Returns an owning reference! No one should call this but the factory.
michael@0:   static DOMRequestService* FactoryCreate()
michael@0:   {
michael@0:     DOMRequestService* res = new DOMRequestService;
michael@0:     NS_ADDREF(res);
michael@0:     return res;
michael@0:   }
michael@0: };
michael@0: 
michael@0: } // namespace dom
michael@0: } // namespace mozilla
michael@0: 
michael@0: #define DOMREQUEST_SERVICE_CONTRACTID "@mozilla.org/dom/dom-request-service;1"
michael@0: 
michael@0: #endif // mozilla_dom_domrequest_h__