Ziele Untersuchung
mit Columbo Integrität von
Datenbanken Interaktion und
Portierbarkeit Ergonomie der
Schnittstellen

Angebot Produkte Projekt Beratung

Mittel Analytik Modellierung Sprachen Algebra Logik Hardware Denken Kreativität

Zusammenhänge Gesellschaft Wirtschaft Branche Firma


products/sources/formale Sprachen/C/Firefox/dom/workers/sharedworkers/ (Browser von der Mozilla Stiftung Version 136.0.1^©) Datei vom 10.2.2025 mit Größe 5 kB

Quelle SharedWorkerChild.cpp Sprache: C

/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */

#include "SharedWorkerChild.h"
#include "mozilla/dom/ErrorEvent.h"
#include "mozilla/dom/ErrorEventBinding.h"
#include "mozilla/dom/Exceptions.h"
#include "mozilla/dom/RootedDictionary.h"
#include "mozilla/dom/SecurityPolicyViolationEvent.h"
#include "mozilla/dom/SecurityPolicyViolationEventBinding.h"
#include "mozilla/dom/ScriptSettings.h"
#include "mozilla/dom/SharedWorker.h"
#include "mozilla/dom/WebTransport.h"
#include "mozilla/dom/WindowGlobalChild.h"
#include "mozilla/dom/WorkerError.h"
#include "mozilla/dom/locks/LockManagerChild.h"
#include "nsGlobalWindowInner.h"

namespace mozilla {

using namespace ipc;

namespace dom {

SharedWorkerChild::SharedWorkerChild() : mParent(nullptr), mActive(true) {}

SharedWorkerChild::~SharedWorkerChild() = default;

void SharedWorkerChild::ActorDestroy(ActorDestroyReason aWhy) {
  mActive = false;
}

void SharedWorkerChild::SendClose() {
  if (mActive) {
    // This is the last message.
    mActive = false;
    PSharedWorkerChild::SendClose();
  }
}

void SharedWorkerChild::SendSuspend() {
  if (mActive) {
    PSharedWorkerChild::SendSuspend();
  }
}

void SharedWorkerChild::SendResume() {
  if (mActive) {
    PSharedWorkerChild::SendResume();
  }
}

void SharedWorkerChild::SendFreeze() {
  if (mActive) {
    PSharedWorkerChild::SendFreeze();
  }
}

void SharedWorkerChild::SendThaw() {
  if (mActive) {
    PSharedWorkerChild::SendThaw();
  }
}

IPCResult SharedWorkerChild::RecvError(const ErrorValue& aValue) {
  if (!mParent) {
    return IPC_OK();
  }

  if (aValue.type() == ErrorValue::Tnsresult) {
    mParent->ErrorPropagation(aValue.get_nsresult());
    return IPC_OK();
  }

  nsPIDOMWindowInner* window = mParent->GetOwnerWindow();
  uint64_t innerWindowId = window ? window->WindowID() : 0;

  if (aValue.type() == ErrorValue::TCSPViolation) {
    SecurityPolicyViolationEventInit violationEventInit;
    if (NS_WARN_IF(
            !violationEventInit.Init(aValue.get_CSPViolation().json()))) {
      return IPC_OK();
    }

    if (NS_WARN_IF(!window)) {
      return IPC_OK();
    }

    RefPtr<EventTarget> eventTarget = window->GetExtantDoc();
    if (NS_WARN_IF(!eventTarget)) {
      return IPC_OK();
    }

    RefPtr<Event> event = SecurityPolicyViolationEvent::Constructor(
        eventTarget, u"securitypolicyviolation"_ns, violationEventInit);
    event->SetTrusted(true);

    eventTarget->DispatchEvent(*event);
    return IPC_OK();
  }

  if (aValue.type() == ErrorValue::TErrorMismatchOptions) {
    WorkerErrorReport::LogErrorToConsole(
        u"Failed to connect an existing shared worker because the type or credentials given on the SharedWorker constructor do not match the existing shared worker's type or credentials"_ns);
  }

  if (aValue.type() == ErrorValue::TErrorData &&
      aValue.get_ErrorData().isWarning()) {
    // Don't fire any events for warnings. Just log to console.
    WorkerErrorReport::LogErrorToConsole(aValue.get_ErrorData(), innerWindowId);
    return IPC_OK();
  }

  AutoJSAPI jsapi;
  jsapi.Init();

  RefPtr<Event> event;
  if (aValue.type() == ErrorValue::TErrorData) {
    const ErrorData& errorData = aValue.get_ErrorData();
    RootedDictionary<ErrorEventInit> errorInit(jsapi.cx());
    errorInit.mBubbles = false;
    errorInit.mCancelable = true;
    errorInit.mMessage = errorData.message();
    errorInit.mFilename = errorData.filename();
    errorInit.mLineno = errorData.lineNumber();
    errorInit.mColno = errorData.columnNumber();

    event = ErrorEvent::Constructor(mParent, u"error"_ns, errorInit);
  } else {
    event = Event::Constructor(mParent, u"error"_ns, EventInit());
  }
  event->SetTrusted(true);

  ErrorResult res;
  bool defaultActionEnabled =
      mParent->DispatchEvent(*event, CallerType::System, res);
  if (res.Failed()) {
    ThrowAndReport(window, res.StealNSResult());
    return IPC_OK();
  }

  if (aValue.type() != ErrorValue::TErrorData) {
    MOZ_ASSERT(aValue.type() == ErrorValue::Tvoid_t ||
               aValue.type() == ErrorValue::TErrorMismatchOptions);
    return IPC_OK();
  }

  if (defaultActionEnabled) {
    WorkerErrorReport::LogErrorToConsole(aValue.get_ErrorData(), innerWindowId);
  }

  return IPC_OK();
}

IPCResult SharedWorkerChild::RecvNotifyLock(bool aCreated) {
  if (!mParent) {
    return IPC_OK();
  }

  locks::LockManagerChild::NotifyBFCacheOnMainThread(mParent->GetOwnerWindow(),
                                                     aCreated);

  return IPC_OK();
}

IPCResult SharedWorkerChild::RecvNotifyWebTransport(bool aCreated) {
  if (!mParent) {
    return IPC_OK();
  }

  WebTransport::NotifyBFCacheOnMainThread(mParent->GetOwnerWindow(), aCreated);

  return IPC_OK();
}

IPCResult SharedWorkerChild::RecvTerminate() {
  if (mParent) {
    mParent->Close();
  }

  return IPC_OK();
}

}  // namespace dom
}  // namespace mozilla

quality87%

¤ Dauer der Verarbeitung: 0.12 Sekunden (vorverarbeitet) ¤

Wurzel

Suchen

Beweissystem der NASA

Beweissystem Isabelle

NIST Cobol Testsuite

Cephes Mathematical Library

Wiener Entwicklungsmethode

Haftungshinweis

Die Informationen auf dieser Webseite wurden nach bestem Wissen sorgfältig zusammengestellt. Es wird jedoch weder Vollständigkeit, noch Richtigkeit, noch Qualität der bereit gestellten Informationen zugesichert.