gecko-dev/dom/base/DOMRequest.h

90 строки
2.0 KiB
C++

/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=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 "nsIDOMDOMRequest.h"
#include "nsIDOMDOMError.h"
#include "nsDOMEventTargetHelper.h"
#include "nsContentUtils.h"
#include "nsCOMPtr.h"
namespace mozilla {
namespace dom {
class DOMRequest : public nsDOMEventTargetHelper,
public nsIDOMDOMRequest
{
bool mDone;
jsval mResult;
nsCOMPtr<nsIDOMDOMError> mError;
bool mRooted;
NS_DECL_EVENT_HANDLER(success)
NS_DECL_EVENT_HANDLER(error)
public:
NS_DECL_ISUPPORTS_INHERITED
NS_DECL_NSIDOMDOMREQUEST
NS_FORWARD_NSIDOMEVENTTARGET(nsDOMEventTargetHelper::)
NS_DECL_CYCLE_COLLECTION_SCRIPT_HOLDER_CLASS_INHERITED(DOMRequest,
nsDOMEventTargetHelper)
void FireSuccess(jsval aResult);
void FireError(const nsAString& aError);
DOMRequest(nsIDOMWindow* aWindow);
virtual ~DOMRequest()
{
UnrootResultVal();
}
private:
void FireEvent(const nsAString& aType);
void RootResultVal()
{
if (!mRooted) {
NS_HOLD_JS_OBJECTS(this, DOMRequest);
mRooted = true;
}
}
void UnrootResultVal()
{
if (mRooted) {
NS_DROP_JS_OBJECTS(this, DOMRequest);
mRooted = false;
}
}
};
class DOMRequestService : public nsIDOMRequestService
{
public:
NS_DECL_ISUPPORTS
NS_DECL_NSIDOMREQUESTSERVICE
// Returns an owning reference! No one should call this but the factory.
static DOMRequestService* FactoryCreate()
{
DOMRequestService* res = new DOMRequestService;
NS_ADDREF(res);
return res;
}
};
} // namespace dom
} // namespace mozilla
#define DOMREQUEST_SERVICE_CONTRACTID "@mozilla.org/dom/dom-request-service;1"
#endif // mozilla_dom_domrequest_h__