| /* |
| * Copyright (C) 2013 Google 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: |
| * |
| * * Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * * 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. |
| * * Neither the name of Google Inc. nor the names of its |
| * contributors may be used to endorse or promote products derived from |
| * this software without specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND 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 THE COPYRIGHT |
| * OWNER OR 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 "bindings/v8/ScriptPromiseResolver.h" |
| |
| #include "RuntimeEnabledFeatures.h" |
| #include "bindings/v8/ScriptState.h" |
| #include "bindings/v8/ScriptValue.h" |
| #include "bindings/v8/V8Binding.h" |
| #include "bindings/v8/V8DOMWrapper.h" |
| #include "bindings/v8/custom/V8PromiseCustom.h" |
| #include "wtf/MainThread.h" |
| |
| #include <v8.h> |
| |
| namespace WebCore { |
| |
| ScriptPromiseResolver::ScriptPromiseResolver(v8::Handle<v8::Object> creationContext, v8::Isolate* isolate) |
| { |
| ASSERT(RuntimeEnabledFeatures::promiseEnabled()); |
| v8::Local<v8::Object> promise, resolver; |
| V8PromiseCustom::createPromise(creationContext, &promise, &resolver, isolate); |
| m_promise.set(isolate, promise); |
| m_resolver.set(isolate, resolver); |
| } |
| |
| ScriptPromiseResolver::~ScriptPromiseResolver() |
| { |
| detach(); |
| } |
| |
| PassRefPtr<ScriptPromiseResolver> ScriptPromiseResolver::create(ScriptExecutionContext* context) |
| { |
| ASSERT(isMainThread()); |
| ASSERT(context); |
| v8::Isolate* isolate = v8::Isolate::GetCurrent(); |
| v8::HandleScope scope(isolate); |
| return adoptRef(new ScriptPromiseResolver(toV8Context(context, DOMWrapperWorld::current())->Global(), isolate)); |
| } |
| |
| PassRefPtr<ScriptPromiseResolver> ScriptPromiseResolver::create() |
| { |
| ASSERT(isMainThread()); |
| v8::Isolate* isolate = v8::Isolate::GetCurrent(); |
| v8::HandleScope scope(isolate); |
| return adoptRef(new ScriptPromiseResolver(v8::Object::New(), isolate)); |
| } |
| |
| bool ScriptPromiseResolver::isPending() const |
| { |
| ASSERT(isMainThread()); |
| v8::HandleScope scope(v8::Isolate::GetCurrent()); |
| return isPendingInternal(); |
| } |
| |
| void ScriptPromiseResolver::detach() |
| { |
| ASSERT(isMainThread()); |
| v8::Isolate* isolate = v8::Isolate::GetCurrent(); |
| v8::HandleScope scope(isolate); |
| detachPromise(); |
| reject(v8::Undefined(isolate), isolate); |
| m_resolver.clear(); |
| } |
| |
| void ScriptPromiseResolver::fulfill(v8::Handle<v8::Value> value, v8::Isolate* isolate) |
| { |
| ASSERT(isMainThread()); |
| if (!isPendingInternal()) |
| return; |
| V8PromiseCustom::fulfillResolver(m_resolver.get(), value, V8PromiseCustom::Asynchronous, isolate); |
| m_resolver.clear(); |
| } |
| |
| void ScriptPromiseResolver::resolve(v8::Handle<v8::Value> value, v8::Isolate* isolate) |
| { |
| ASSERT(isMainThread()); |
| if (!isPendingInternal()) |
| return; |
| V8PromiseCustom::resolveResolver(m_resolver.get(), value, V8PromiseCustom::Asynchronous, isolate); |
| m_resolver.clear(); |
| } |
| |
| void ScriptPromiseResolver::reject(v8::Handle<v8::Value> value, v8::Isolate* isolate) |
| { |
| ASSERT(isMainThread()); |
| if (!isPendingInternal()) |
| return; |
| V8PromiseCustom::rejectResolver(m_resolver.get(), value, V8PromiseCustom::Asynchronous, isolate); |
| m_resolver.clear(); |
| } |
| |
| void ScriptPromiseResolver::fulfill(ScriptValue value) |
| { |
| ASSERT(isMainThread()); |
| v8::Isolate* isolate = v8::Isolate::GetCurrent(); |
| v8::HandleScope scope(isolate); |
| fulfill(value.v8Value(), isolate); |
| } |
| |
| void ScriptPromiseResolver::resolve(ScriptValue value) |
| { |
| ASSERT(isMainThread()); |
| v8::Isolate* isolate = v8::Isolate::GetCurrent(); |
| v8::HandleScope scope(isolate); |
| resolve(value.v8Value(), isolate); |
| } |
| |
| void ScriptPromiseResolver::reject(ScriptValue value) |
| { |
| ASSERT(isMainThread()); |
| v8::Isolate* isolate = v8::Isolate::GetCurrent(); |
| v8::HandleScope scope(isolate); |
| reject(value.v8Value(), isolate); |
| } |
| |
| bool ScriptPromiseResolver::isPendingInternal() const |
| { |
| ASSERT(isMainThread()); |
| if (m_resolver.isEmpty() || V8PromiseCustom::isInternalDetached(m_resolver.get())) |
| return false; |
| v8::Local<v8::Object> internal = V8PromiseCustom::getInternal(m_resolver.get()); |
| V8PromiseCustom::PromiseState state = V8PromiseCustom::getState(internal); |
| return state == V8PromiseCustom::Pending; |
| } |
| |
| } // namespace WebCore |