| /* |
| * Copyright (C) 1999-2001 Harri Porten (porten@kde.org) |
| * Copyright (C) 2003-2006, 2008-2009, 2013, 2016 Apple Inc. All rights reserved. |
| * Copyright (C) 2007 Samuel Weinig <sam@webkit.org> |
| * Copyright (C) 2009 Google, Inc. All rights reserved. |
| * Copyright (C) 2012 Ericsson AB. All rights reserved. |
| * Copyright (C) 2013 Michael Pruett <michael@68k.org> |
| * |
| * This library is free software; you can redistribute it and/or |
| * modify it under the terms of the GNU Lesser General Public |
| * License as published by the Free Software Foundation; either |
| * version 2 of the License, or (at your option) any later version. |
| * |
| * This library is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| * Lesser General Public License for more details. |
| * |
| * You should have received a copy of the GNU Lesser General Public |
| * License along with this library; if not, write to the Free Software |
| * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
| */ |
| |
| #pragma once |
| |
| #include "JSDOMOperation.h" |
| #include "JSDOMPromiseDeferred.h" |
| |
| namespace WebCore { |
| |
| template<typename JSClass> |
| class IDLOperationReturningPromise { |
| public: |
| using ClassParameter = JSClass*; |
| using Operation = JSC::EncodedJSValue(JSC::ExecState*, ClassParameter, Ref<DeferredPromise>&&, JSC::ThrowScope&); |
| using StaticOperation = JSC::EncodedJSValue(JSC::ExecState*, Ref<DeferredPromise>&&, JSC::ThrowScope&); |
| |
| template<Operation operation, PromiseExecutionScope executionScope, CastedThisErrorBehavior shouldThrow = CastedThisErrorBehavior::RejectPromise> |
| static JSC::EncodedJSValue call(JSC::ExecState& state, const char* operationName) |
| { |
| return JSC::JSValue::encode(callPromiseFunction<executionScope>(state, [&operationName] (JSC::ExecState& state, Ref<DeferredPromise>&& promise) { |
| auto throwScope = DECLARE_THROW_SCOPE(state.vm()); |
| |
| auto* thisObject = IDLOperation<JSClass>::cast(state); |
| if (shouldThrow != CastedThisErrorBehavior::Assert && UNLIKELY(!thisObject)) |
| return rejectPromiseWithThisTypeError(promise.get(), JSClass::info()->className, operationName); |
| |
| ASSERT(thisObject); |
| ASSERT_GC_OBJECT_INHERITS(thisObject, JSClass::info()); |
| |
| // FIXME: We should refactor the binding generated code to use references for state and thisObject. |
| return operation(&state, thisObject, WTFMove(promise), throwScope); |
| })); |
| } |
| |
| // This function is a special case for custom operations want to handle the creation of the promise themselves. |
| // It is triggered via the extended attribute [ReturnsOwnPromise]. |
| template<typename IDLOperation<JSClass>::Operation operation, CastedThisErrorBehavior shouldThrow = CastedThisErrorBehavior::RejectPromise> |
| static JSC::EncodedJSValue callReturningOwnPromise(JSC::ExecState& state, const char* operationName) |
| { |
| auto throwScope = DECLARE_THROW_SCOPE(state.vm()); |
| |
| auto* thisObject = IDLOperation<JSClass>::cast(state); |
| if (shouldThrow != CastedThisErrorBehavior::Assert && UNLIKELY(!thisObject)) |
| return rejectPromiseWithThisTypeError(state, JSClass::info()->className, operationName); |
| |
| ASSERT(thisObject); |
| ASSERT_GC_OBJECT_INHERITS(thisObject, JSClass::info()); |
| |
| // FIXME: We should refactor the binding generated code to use references for state and thisObject. |
| return operation(&state, thisObject, throwScope); |
| } |
| |
| template<StaticOperation operation, PromiseExecutionScope executionScope, CastedThisErrorBehavior shouldThrow = CastedThisErrorBehavior::RejectPromise> |
| static JSC::EncodedJSValue callStatic(JSC::ExecState& state, const char*) |
| { |
| return JSC::JSValue::encode(callPromiseFunction<executionScope>(state, [] (JSC::ExecState& state, Ref<DeferredPromise>&& promise) { |
| auto throwScope = DECLARE_THROW_SCOPE(state.vm()); |
| |
| // FIXME: We should refactor the binding generated code to use references for state. |
| return operation(&state, WTFMove(promise), throwScope); |
| })); |
| } |
| |
| // This function is a special case for custom operations want to handle the creation of the promise themselves. |
| // It is triggered via the extended attribute [ReturnsOwnPromise]. |
| template<typename IDLOperation<JSClass>::StaticOperation operation, CastedThisErrorBehavior shouldThrow = CastedThisErrorBehavior::RejectPromise> |
| static JSC::EncodedJSValue callStaticReturningOwnPromise(JSC::ExecState& state, const char*) |
| { |
| auto throwScope = DECLARE_THROW_SCOPE(state.vm()); |
| |
| // FIXME: We should refactor the binding generated code to use references for state. |
| return operation(&state, throwScope); |
| } |
| }; |
| |
| } // namespace WebCore |