/* * Copyright (C) 2014 Apple Inc. All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS'' * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF * THE POSSIBILITY OF SUCH DAMAGE. */ #include "config.h" #include "UserMessageHandler.h" #if ENABLE(USER_MESSAGE_HANDLERS) #include "Frame.h" #include "JSDOMPromiseDeferred.h" #include "SerializedScriptValue.h" #include <JavaScriptCore/JSCJSValue.h> namespace WebCore { UserMessageHandler::UserMessageHandler(Frame& frame, UserMessageHandlerDescriptor& descriptor) : FrameDestructionObserver(&frame) , m_descriptor(&descriptor) { } UserMessageHandler::~UserMessageHandler() = default; ExceptionOr<void> UserMessageHandler::postMessage(RefPtr<SerializedScriptValue>&& value, Ref<DeferredPromise>&& promise) { // Check to see if the descriptor has been removed. This can happen if the host application has // removed the named message handler at the WebKit2 API level. if (!m_descriptor) { promise->reject(Exception { InvalidAccessError }); return Exception { InvalidAccessError }; } m_descriptor->didPostMessage(*this, value.get(), [promise = WTFMove(promise)](SerializedScriptValue* result, const String& errorMessage) { auto* globalObject = promise->globalObject(); if (!globalObject) return; if (!errorMessage.isNull()) { JSC::JSLockHolder lock(globalObject); promise->reject<IDLAny>(JSC::createError(globalObject, errorMessage)); return; } ASSERT(result); promise->resolve<IDLAny>(result->deserialize(*globalObject, globalObject)); }); return { }; } } // namespace WebCore #endif // ENABLE(USER_MESSAGE_HANDLERS)