/* -*- 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/. */ #include "DOMCursor.h" #include "mozilla/dom/DOMCursorBinding.h" namespace mozilla { namespace dom { NS_IMPL_CYCLE_COLLECTION_INHERITED(DOMCursor, DOMRequest, mCallback) NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION_INHERITED(DOMCursor) NS_INTERFACE_MAP_ENTRY(nsIDOMDOMCursor) NS_INTERFACE_MAP_END_INHERITING(DOMRequest) NS_IMPL_ADDREF_INHERITED(DOMCursor, DOMRequest) NS_IMPL_RELEASE_INHERITED(DOMCursor, DOMRequest) DOMCursor::DOMCursor(nsPIDOMWindowInner* aWindow, nsICursorContinueCallback* aCallback) : DOMRequest(aWindow) , mCallback(aCallback) , mFinished(false) { } DOMCursor::DOMCursor(nsIGlobalObject* aGlobal, nsICursorContinueCallback* aCallback) : DOMRequest(aGlobal) , mCallback(aCallback) , mFinished(false) { } void DOMCursor::Reset() { MOZ_ASSERT(!mFinished); // Reset the request state so we can FireSuccess() again. mResult.setUndefined(); mDone = false; } void DOMCursor::FireDone() { Reset(); mFinished = true; FireSuccess(JS::UndefinedHandleValue); } NS_IMETHODIMP DOMCursor::GetDone(bool *aDone) { *aDone = Done(); return NS_OK; } NS_IMETHODIMP DOMCursor::Continue() { ErrorResult rv; Continue(rv); return rv.StealNSResult(); } void DOMCursor::Continue(ErrorResult& aRv) { MOZ_ASSERT(mCallback, "If you're creating your own cursor class with no callback, you should override Continue()"); // We need to have a result here because we must be in a 'success' state. if (mResult.isUndefined()) { aRv.Throw(NS_ERROR_DOM_INVALID_STATE_ERR); return; } Reset(); mCallback->HandleContinue(); } /* virtual */ JSObject* DOMCursor::WrapObject(JSContext* aCx, JS::Handle<JSObject*> aGivenProto) { return DOMCursorBinding::Wrap(aCx, this, aGivenProto); } } // namespace dom } // namespace mozilla