| /* |
| * 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 "third_party/blink/renderer/modules/service_worker/service_worker.h" |
| |
| #include <memory> |
| #include "mojo/public/cpp/bindings/pending_associated_receiver.h" |
| #include "mojo/public/cpp/bindings/pending_associated_remote.h" |
| #include "third_party/blink/public/mojom/service_worker/service_worker_state.mojom-blink.h" |
| #include "third_party/blink/public/platform/web_string.h" |
| #include "third_party/blink/renderer/bindings/core/v8/script_promise_resolver.h" |
| #include "third_party/blink/renderer/bindings/core/v8/serialization/post_message_helper.h" |
| #include "third_party/blink/renderer/core/dom/events/event.h" |
| #include "third_party/blink/renderer/core/execution_context/execution_context.h" |
| #include "third_party/blink/renderer/core/messaging/blink_transferable_message.h" |
| #include "third_party/blink/renderer/core/messaging/message_port.h" |
| #include "third_party/blink/renderer/core/messaging/post_message_options.h" |
| #include "third_party/blink/renderer/modules/event_target_modules.h" |
| #include "third_party/blink/renderer/modules/service_worker/service_worker_container.h" |
| #include "third_party/blink/renderer/modules/service_worker/service_worker_global_scope.h" |
| #include "third_party/blink/renderer/platform/bindings/exception_state.h" |
| #include "third_party/blink/renderer/platform/bindings/script_state.h" |
| |
| namespace blink { |
| |
| const AtomicString& ServiceWorker::InterfaceName() const { |
| return event_target_names::kServiceWorker; |
| } |
| |
| void ServiceWorker::postMessage(ScriptState* script_state, |
| const ScriptValue& message, |
| Vector<ScriptValue>& transfer, |
| ExceptionState& exception_state) { |
| PostMessageOptions* options = PostMessageOptions::Create(); |
| if (!transfer.IsEmpty()) |
| options->setTransfer(transfer); |
| postMessage(script_state, message, options, exception_state); |
| } |
| |
| void ServiceWorker::postMessage(ScriptState* script_state, |
| const ScriptValue& message, |
| const PostMessageOptions* options, |
| ExceptionState& exception_state) { |
| if (!GetExecutionContext()) { |
| exception_state.ThrowDOMException( |
| DOMExceptionCode::kInvalidStateError, |
| "Failed to post a message: No associated provider is available."); |
| return; |
| } |
| |
| Transferables transferables; |
| |
| scoped_refptr<SerializedScriptValue> serialized_message = |
| PostMessageHelper::SerializeMessageByCopy(script_state->GetIsolate(), |
| message, options, transferables, |
| exception_state); |
| if (exception_state.HadException()) |
| return; |
| DCHECK(serialized_message); |
| |
| BlinkTransferableMessage msg; |
| msg.message = serialized_message; |
| msg.ports = MessagePort::DisentanglePorts( |
| ExecutionContext::From(script_state), transferables.message_ports, |
| exception_state); |
| if (exception_state.HadException()) |
| return; |
| |
| host_->PostMessageToServiceWorker(std::move(msg)); |
| } |
| |
| ScriptPromise ServiceWorker::InternalsTerminate(ScriptState* script_state) { |
| auto* resolver = MakeGarbageCollected<ScriptPromiseResolver>(script_state); |
| ScriptPromise promise = resolver->Promise(); |
| host_->TerminateForTesting( |
| WTF::Bind([](ScriptPromiseResolver* resolver) { resolver->Resolve(); }, |
| WrapPersistent(resolver))); |
| return promise; |
| } |
| |
| void ServiceWorker::StateChanged(mojom::blink::ServiceWorkerState new_state) { |
| state_ = new_state; |
| this->DispatchEvent(*Event::Create(event_type_names::kStatechange)); |
| } |
| |
| String ServiceWorker::scriptURL() const { |
| return url_.GetString(); |
| } |
| |
| String ServiceWorker::state() const { |
| switch (state_) { |
| case mojom::blink::ServiceWorkerState::kUnknown: |
| // The web platform should never see this internal state |
| NOTREACHED(); |
| return "unknown"; |
| case mojom::blink::ServiceWorkerState::kInstalling: |
| return "installing"; |
| case mojom::blink::ServiceWorkerState::kInstalled: |
| return "installed"; |
| case mojom::blink::ServiceWorkerState::kActivating: |
| return "activating"; |
| case mojom::blink::ServiceWorkerState::kActivated: |
| return "activated"; |
| case mojom::blink::ServiceWorkerState::kRedundant: |
| return "redundant"; |
| } |
| NOTREACHED(); |
| return g_null_atom; |
| } |
| |
| ServiceWorker* ServiceWorker::From( |
| ExecutionContext* context, |
| mojom::blink::ServiceWorkerObjectInfoPtr info) { |
| if (!info) |
| return nullptr; |
| return From(context, |
| WebServiceWorkerObjectInfo( |
| info->version_id, info->state, info->url, |
| info->host_remote.PassHandle(), info->receiver.PassHandle())); |
| } |
| |
| ServiceWorker* ServiceWorker::From(ExecutionContext* context, |
| WebServiceWorkerObjectInfo info) { |
| if (!context) |
| return nullptr; |
| if (info.version_id == mojom::blink::kInvalidServiceWorkerVersionId) |
| return nullptr; |
| |
| if (auto* scope = DynamicTo<ServiceWorkerGlobalScope>(context)) { |
| return scope->GetOrCreateServiceWorker(std::move(info)); |
| } |
| |
| return ServiceWorkerContainer::From(To<Document>(context)) |
| ->GetOrCreateServiceWorker(std::move(info)); |
| } |
| |
| bool ServiceWorker::HasPendingActivity() const { |
| if (was_stopped_) |
| return false; |
| return state_ != mojom::blink::ServiceWorkerState::kRedundant; |
| } |
| |
| void ServiceWorker::ContextLifecycleStateChanged( |
| mojom::FrameLifecycleState state) {} |
| |
| void ServiceWorker::ContextDestroyed(ExecutionContext*) { |
| was_stopped_ = true; |
| } |
| |
| ServiceWorker::ServiceWorker(ExecutionContext* execution_context, |
| WebServiceWorkerObjectInfo info) |
| : AbstractWorker(execution_context), |
| was_stopped_(false), |
| url_(info.url), |
| state_(info.state) { |
| DCHECK_NE(mojom::blink::kInvalidServiceWorkerVersionId, info.version_id); |
| host_.Bind( |
| mojo::PendingAssociatedRemote<mojom::blink::ServiceWorkerObjectHost>( |
| std::move(info.host_remote), |
| mojom::blink::ServiceWorkerObjectHost::Version_), |
| execution_context->GetTaskRunner(blink::TaskType::kInternalDefault)); |
| receiver_.Bind( |
| mojo::PendingAssociatedReceiver<mojom::blink::ServiceWorkerObject>( |
| std::move(info.receiver)), |
| execution_context->GetTaskRunner(blink::TaskType::kInternalDefault)); |
| } |
| |
| ServiceWorker::~ServiceWorker() = default; |
| |
| void ServiceWorker::Dispose() { |
| host_.reset(); |
| receiver_.reset(); |
| } |
| |
| void ServiceWorker::Trace(blink::Visitor* visitor) { |
| AbstractWorker::Trace(visitor); |
| } |
| |
| } // namespace blink |