chromium/third_party/blink/renderer/core/messaging/message_port.cc

/*
 * Copyright (C) 2008 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 COMPUTER, INC. ``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 COMPUTER, INC. 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/core/messaging/message_port.h"

#include <memory>
#include <optional>

#include "base/numerics/safe_conversions.h"
#include "base/trace_event/trace_event.h"
#include "mojo/public/cpp/base/big_buffer_mojom_traits.h"
#include "third_party/blink/public/mojom/blob/blob.mojom-blink.h"
#include "third_party/blink/public/mojom/messaging/transferable_message.mojom-blink.h"
#include "third_party/blink/public/platform/task_type.h"
#include "third_party/blink/public/platform/web_string.h"
#include "third_party/blink/renderer/bindings/core/v8/serialization/post_message_helper.h"
#include "third_party/blink/renderer/bindings/core/v8/v8_binding_for_core.h"
#include "third_party/blink/renderer/bindings/core/v8/v8_post_message_options.h"
#include "third_party/blink/renderer/core/event_target_names.h"
#include "third_party/blink/renderer/core/events/message_event.h"
#include "third_party/blink/renderer/core/execution_context/execution_context.h"
#include "third_party/blink/renderer/core/frame/local_dom_window.h"
#include "third_party/blink/renderer/core/frame/local_frame.h"
#include "third_party/blink/renderer/core/frame/user_activation.h"
#include "third_party/blink/renderer/core/messaging/blink_transferable_message_mojom_traits.h"
#include "third_party/blink/renderer/core/workers/worker_global_scope.h"
#include "third_party/blink/renderer/core/workers/worker_or_worklet_global_scope.h"
#include "third_party/blink/renderer/core/workers/worker_thread.h"
#include "third_party/blink/renderer/platform/bindings/exception_state.h"
#include "third_party/blink/renderer/platform/bindings/script_state.h"
#include "third_party/blink/renderer/platform/bindings/thread_debugger.h"
#include "third_party/blink/renderer/platform/instrumentation/use_counter.h"
#include "third_party/blink/renderer/platform/scheduler/public/task_attribution_tracker.h"
#include "third_party/blink/renderer/platform/wtf/cross_thread_functional.h"
#include "third_party/blink/renderer/platform/wtf/text/atomic_string.h"

namespace blink {

MessagePort::MessagePort(ExecutionContext& execution_context)
    : … { … }

void MessagePort::Dispose() { … }

void MessagePort::postMessage(ScriptState* script_state,
                              const ScriptValue& message,
                              HeapVector<ScriptValue>& transfer,
                              ExceptionState& exception_state) { … }

void MessagePort::postMessage(ScriptState* script_state,
                              const ScriptValue& message,
                              const PostMessageOptions* options,
                              ExceptionState& exception_state) { … }

MessagePortChannel MessagePort::Disentangle() { … }

void MessagePort::start() { … }

void MessagePort::close() { … }

void MessagePort::OnConnectionError() { … }

void MessagePort::Entangle(MessagePortDescriptor port_descriptor,
                           MessagePort* port) { … }

void MessagePort::Entangle(MessagePortChannel channel) { … }

const AtomicString& MessagePort::InterfaceName() const { … }

bool MessagePort::HasPendingActivity() const { … }

Vector<MessagePortChannel> MessagePort::DisentanglePorts(
    ExecutionContext* context,
    const MessagePortArray& ports,
    ExceptionState& exception_state) { … }

MessagePortArray* MessagePort::EntanglePorts(
    ExecutionContext& context,
    Vector<MessagePortChannel> channels) { … }

MessagePortArray* MessagePort::EntanglePorts(
    ExecutionContext& context,
    WebVector<MessagePortChannel> channels) { … }

::MojoHandle MessagePort::EntangledHandleForTesting() const { … }

void MessagePort::Trace(Visitor* visitor) const { … }

bool MessagePort::Accept(mojo::Message* mojo_message) { … }

Event* MessagePort::CreateMessageEvent(BlinkTransferableMessage& message) { … }

void MessagePort::OnEntangledPortDisconnected() { … }

// PostMessageTaskContainer's implementation
//////////////////////////////////////
void MessagePort::PostMessageTaskContainer::AddPostMessageTask(
    scheduler::TaskAttributionInfo* task) { … }

scheduler::TaskAttributionInfo*
MessagePort::PostMessageTaskContainer::GetAndDecrementPostMessageTask(
    std::optional<scheduler::TaskAttributionId> id) { … }

}  // namespace blink