C++ ArgumentEncoder::buffer方法代码示例

void Coder<WebCore::CertificateInfo>::encode(Encoder& encoder, const WebCore::CertificateInfo& certificateInfo)
{
    // FIXME: Cocoa CertificateInfo is a CF object tree. Generalize CF type coding so we don't need to use ArgumentCoder here.
    IPC::ArgumentEncoder argumentEncoder;
    argumentEncoder << certificateInfo;
    encoder << static_cast<uint64_t>(argumentEncoder.bufferSize());
    encoder.encodeFixedLengthData(argumentEncoder.buffer(), argumentEncoder.bufferSize());
}

void WebContext::postMessageToInjectedBundle(const String& messageName, API::Object* messageBody)
{
    if (m_processes.isEmpty()) {
        if (m_processModel == ProcessModelSharedSecondaryProcess)
            m_messagesToInjectedBundlePostedToEmptyContext.append(std::make_pair(messageName, messageBody));
        return;
    }

    for (auto& process : m_processes) {
        // FIXME: Return early if the message body contains any references to WKPageRefs/WKFrameRefs etc. since they're local to a process.
        IPC::ArgumentEncoder messageData;
        messageData.encode(messageName);
        messageData.encode(WebContextUserMessageEncoder(messageBody, *process.get()));

        process->send(Messages::WebProcess::PostInjectedBundleMessage(IPC::DataReference(messageData.buffer(), messageData.bufferSize())), 0);
    }
}

//.........这里部分代码省略.........

    parameters.databaseDirectory = databaseDirectory();
    if (!parameters.databaseDirectory.isEmpty())
        SandboxExtension::createHandleForReadWriteDirectory(parameters.databaseDirectory, parameters.databaseDirectoryExtensionHandle);

    parameters.diskCacheDirectory = diskCacheDirectory();
    if (!parameters.diskCacheDirectory.isEmpty())
        SandboxExtension::createHandleForReadWriteDirectory(parameters.diskCacheDirectory, parameters.diskCacheDirectoryExtensionHandle);

    parameters.cookieStorageDirectory = cookieStorageDirectory();
    if (!parameters.cookieStorageDirectory.isEmpty())
        SandboxExtension::createHandleForReadWriteDirectory(parameters.cookieStorageDirectory, parameters.cookieStorageDirectoryExtensionHandle);

    parameters.shouldUseTestingNetworkSession = m_shouldUseTestingNetworkSession;

    parameters.cacheModel = m_cacheModel;
    parameters.languages = userPreferredLanguages();

    copyToVector(m_schemesToRegisterAsEmptyDocument, parameters.urlSchemesRegistererdAsEmptyDocument);
    copyToVector(m_schemesToRegisterAsSecure, parameters.urlSchemesRegisteredAsSecure);
    copyToVector(m_schemesToSetDomainRelaxationForbiddenFor, parameters.urlSchemesForWhichDomainRelaxationIsForbidden);
    copyToVector(m_schemesToRegisterAsLocal, parameters.urlSchemesRegisteredAsLocal);
    copyToVector(m_schemesToRegisterAsNoAccess, parameters.urlSchemesRegisteredAsNoAccess);
    copyToVector(m_schemesToRegisterAsDisplayIsolated, parameters.urlSchemesRegisteredAsDisplayIsolated);
    copyToVector(m_schemesToRegisterAsCORSEnabled, parameters.urlSchemesRegisteredAsCORSEnabled);
#if ENABLE(CACHE_PARTITIONING)
    copyToVector(m_schemesToRegisterAsCachePartitioned, parameters.urlSchemesRegisteredAsCachePartitioned);
#endif

    parameters.shouldAlwaysUseComplexTextCodePath = m_alwaysUsesComplexTextCodePath;
    parameters.shouldUseFontSmoothing = m_shouldUseFontSmoothing;
    
    parameters.iconDatabaseEnabled = !iconDatabasePath().isEmpty();

    parameters.terminationTimeout = (m_processModel == ProcessModelSharedSecondaryProcess) ? sharedSecondaryProcessShutdownTimeout : 0;

    parameters.textCheckerState = TextChecker::state();

    parameters.fullKeyboardAccessEnabled = WebProcessProxy::fullKeyboardAccessEnabled();

    parameters.defaultRequestTimeoutInterval = API::URLRequest::defaultTimeoutInterval();

#if ENABLE(NOTIFICATIONS) || ENABLE(LEGACY_NOTIFICATIONS)
    // FIXME: There should be a generic way for supplements to add to the intialization parameters.
    supplement<WebNotificationManagerProxy>()->populateCopyOfNotificationPermissions(parameters.notificationPermissions);
#endif

#if ENABLE(NETWORK_PROCESS)
    parameters.usesNetworkProcess = m_usesNetworkProcess;
#endif

    parameters.plugInAutoStartOriginHashes = m_plugInAutoStartProvider.autoStartOriginHashesCopy();
    copyToVector(m_plugInAutoStartProvider.autoStartOrigins(), parameters.plugInAutoStartOrigins);

    parameters.memoryCacheDisabled = m_memoryCacheDisabled;

#if ENABLE(SERVICE_CONTROLS)
    parameters.hasImageServices = ServicesController::shared().hasImageServices();
    parameters.hasSelectionServices = ServicesController::shared().hasSelectionServices();
    ServicesController::shared().refreshExistingServices(this);
#endif

    // Add any platform specific parameters
    platformInitializeWebProcess(parameters);

    RefPtr<API::Object> injectedBundleInitializationUserData = m_injectedBundleClient.getInjectedBundleInitializationUserData(this);
    if (!injectedBundleInitializationUserData)
        injectedBundleInitializationUserData = m_injectedBundleInitializationUserData;
    process->send(Messages::WebProcess::InitializeWebProcess(parameters, WebContextUserMessageEncoder(injectedBundleInitializationUserData.get(), *process)), 0);

#if PLATFORM(COCOA)
    process->send(Messages::WebProcess::SetQOS(webProcessLatencyQOS(), webProcessThroughputQOS()), 0);
#endif

    if (WebPreferences::anyPagesAreUsingPrivateBrowsing())
        process->send(Messages::WebProcess::EnsurePrivateBrowsingSession(SessionID::legacyPrivateSessionID()), 0);

    m_processes.append(process);

    if (m_processModel == ProcessModelSharedSecondaryProcess) {
        for (size_t i = 0; i != m_messagesToInjectedBundlePostedToEmptyContext.size(); ++i) {
            std::pair<String, RefPtr<API::Object>>& message = m_messagesToInjectedBundlePostedToEmptyContext[i];

            IPC::ArgumentEncoder messageData;

            messageData.encode(message.first);
            messageData.encode(WebContextUserMessageEncoder(message.second.get(), *process));
            process->send(Messages::WebProcess::PostInjectedBundleMessage(IPC::DataReference(messageData.buffer(), messageData.bufferSize())), 0);
        }
        m_messagesToInjectedBundlePostedToEmptyContext.clear();
    } else
        ASSERT(m_messagesToInjectedBundlePostedToEmptyContext.isEmpty());

#if ENABLE(REMOTE_INSPECTOR)
    // Initialize remote inspector connection now that we have a sub-process that is hosting one of our web views.
    Inspector::RemoteInspector::shared(); 
#endif

    return *process;
}