/****************************************************************************
**
** Copyright (C) 2016 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of the QtWebEngine module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company. For licensing terms
** and conditions see https://www.qt.io/terms-conditions. For further
** information use the contact form at https://www.qt.io/contact-us.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 3 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL3 included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 3 requirements
** will be met: https://www.gnu.org/licenses/lgpl-3.0.html.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 2.0 or (at your option) the GNU General
** Public license version 3 or any later version approved by the KDE Free
** Qt Foundation. The licenses are as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3
** included in the packaging of this file. Please review the following
** information to ensure the GNU General Public License requirements will
** be met: https://www.gnu.org/licenses/gpl-2.0.html and
** https://www.gnu.org/licenses/gpl-3.0.html.
**
** $QT_END_LICENSE$
**
****************************************************************************/

#include "content_browser_client_qt.h"

#include "base/json/json_reader.h"
#include "base/memory/ptr_util.h"
#include "base/message_loop/message_loop.h"
#include "base/threading/thread_restrictions.h"
#include "components/spellcheck/spellcheck_build_features.h"
#if BUILDFLAG(ENABLE_SPELLCHECK)
#include "chrome/browser/spellchecker/spell_check_host_chrome_impl.h"
#if BUILDFLAG(USE_BROWSER_SPELLCHECKER)
#include "components/spellcheck/browser/spellcheck_message_filter_platform.h"
#endif
#endif
#include "content/browser/renderer_host/render_view_host_delegate.h"
#include "content/common/url_schemes.h"
#include "content/public/browser/browser_main_parts.h"
#include "content/public/browser/child_process_security_policy.h"
#include "content/public/browser/client_certificate_delegate.h"
#include "content/public/browser/media_observer.h"
#include "content/public/browser/render_frame_host.h"
#include "content/public/browser/render_process_host.h"
#include "content/public/browser/render_view_host.h"
#include "content/public/browser/resource_dispatcher_host.h"
#include "content/public/browser/storage_partition.h"
#include "content/public/browser/web_contents.h"
#include "content/public/browser/web_contents_user_data.h"
#include "content/public/common/content_switches.h"
#include "content/public/common/main_function_params.h"
#include "content/public/common/service_names.mojom.h"
#include "content/public/common/url_constants.h"
#include "mojo/public/cpp/bindings/binding.h"
#include "mojo/public/cpp/bindings/binding_set.h"
#include "printing/features/features.h"
#include "net/ssl/client_cert_identity.h"
#include "services/service_manager/public/cpp/bind_source_info.h"
#include "services/service_manager/public/cpp/binder_registry.h"
#include "services/service_manager/public/cpp/service.h"
#include "third_party/WebKit/public/platform/modules/insecure_input/insecure_input_service.mojom.h"
#include "ui/base/resource/resource_bundle.h"
#include "ui/base/ui_base_switches.h"
#include "ui/display/screen.h"
#include "ui/gl/gl_context.h"
#include "ui/gl/gl_implementation.h"
#include "ui/gl/gl_share_group.h"
#include "ui/gl/gpu_timing.h"

#include "qtwebengine/grit/qt_webengine_resources.h"

#include "browser_context_adapter.h"
#include "browser_context_qt.h"
#include "browser_message_filter_qt.h"
#include "certificate_error_controller.h"
#include "certificate_error_controller_p.h"
#include "desktop_screen_qt.h"
#include "devtools_manager_delegate_qt.h"
#include "media_capture_devices_dispatcher.h"
#include "net/network_delegate_qt.h"
#include "net/qrc_protocol_handler_qt.h"
#include "net/url_request_context_getter_qt.h"
#if BUILDFLAG(ENABLE_BASIC_PRINTING)
#include "printing/printing_message_filter_qt.h"
#endif // BUILDFLAG(ENABLE_BASIC_PRINTING)
#include "quota_permission_context_qt.h"
#include "renderer_host/resource_dispatcher_host_delegate_qt.h"
#include "renderer_host/user_resource_controller_host.h"
#include "web_contents_delegate_qt.h"
#include "web_engine_context.h"
#include "web_engine_library_info.h"

#if defined(Q_OS_WIN)
#include "ui/display/win/screen_win.h"
#endif

#if defined(Q_OS_LINUX)
#include "global_descriptors_qt.h"
#include "ui/base/resource/resource_bundle.h"
#endif

#if BUILDFLAG(ENABLE_PLUGINS)
#include "content/public/browser/browser_ppapi_host.h"
#include "ppapi/host/ppapi_host.h"
#include "renderer_host/pepper/pepper_host_factory_qt.h"
#endif

#include <QGuiApplication>
#include <QLocale>
#ifndef QT_NO_OPENGL
# include <QOpenGLContext>
#endif
#include <qpa/qplatformnativeinterface.h>

QT_BEGIN_NAMESPACE
Q_GUI_EXPORT QOpenGLContext *qt_gl_global_share_context();
QT_END_NAMESPACE

namespace QtWebEngineCore {

namespace {

ContentBrowserClientQt* gBrowserClient = 0; // Owned by ContentMainDelegateQt.

// Return a timeout suitable for the glib loop, -1 to block forever,
// 0 to return right away, or a timeout in milliseconds from now.
int GetTimeIntervalMilliseconds(const base::TimeTicks& from) {
  if (from.is_null())
    return -1;

  // Be careful here.  TimeDelta has a precision of microseconds, but we want a
  // value in milliseconds.  If there are 5.5ms left, should the delay be 5 or
  // 6?  It should be 6 to avoid executing delayed work too early.
  int delay = static_cast<int>(
      ceil((from - base::TimeTicks::Now()).InMillisecondsF()));

  // If this value is negative, then we need to run delayed work soon.
  return delay < 0 ? 0 : delay;
}

class MessagePumpForUIQt : public QObject,
                           public base::MessagePump
{
public:
    MessagePumpForUIQt()
        // Usually this gets passed through Run, but since we have
        // our own event loop, attach it explicitly ourselves.
        : m_delegate(base::MessageLoopForUI::current())
        , m_explicitLoop(0)
        , m_timerId(0)
    {
    }

    void Run(Delegate *delegate) override
    {
        Q_ASSERT(delegate == m_delegate);
        // This is used only when MessagePumpForUIQt is used outside of the GUI thread.
        QEventLoop loop;
        m_explicitLoop = &loop;
        loop.exec();
        m_explicitLoop = 0;
    }

    void Quit() override
    {
        Q_ASSERT(m_explicitLoop);
        m_explicitLoop->quit();
    }

    void ScheduleWork() override
    {
        QCoreApplication::postEvent(this, new QEvent(QEvent::User));
    }

    void ScheduleDelayedWork(const base::TimeTicks &delayed_work_time) override
    {
        if (delayed_work_time.is_null()) {
            killTimer(m_timerId);
            m_timerId = 0;
            m_timerScheduledTime = base::TimeTicks();
        } else if (!m_timerId || delayed_work_time < m_timerScheduledTime) {
            killTimer(m_timerId);
            m_timerId = startTimer(GetTimeIntervalMilliseconds(delayed_work_time));
            m_timerScheduledTime = delayed_work_time;
        }
    }

protected:
    void customEvent(QEvent *ev) override
    {
        if (handleScheduledWork())
            QCoreApplication::postEvent(this, new QEvent(QEvent::User));
    }

    void timerEvent(QTimerEvent *ev) override
    {
        Q_ASSERT(m_timerId == ev->timerId());
        killTimer(m_timerId);
        m_timerId = 0;
        m_timerScheduledTime = base::TimeTicks();

        base::TimeTicks next_delayed_work_time;
        m_delegate->DoDelayedWork(&next_delayed_work_time);
        ScheduleDelayedWork(next_delayed_work_time);
    }

private:
    bool handleScheduledWork() {
        bool more_work_is_plausible = m_delegate->DoWork();

        base::TimeTicks delayed_work_time;
        more_work_is_plausible |= m_delegate->DoDelayedWork(&delayed_work_time);

        if (more_work_is_plausible)
            return true;

        more_work_is_plausible |= m_delegate->DoIdleWork();
        if (!more_work_is_plausible)
            ScheduleDelayedWork(delayed_work_time);

        return more_work_is_plausible;
    }

    Delegate *m_delegate;
    QEventLoop *m_explicitLoop;
    int m_timerId;
    base::TimeTicks m_timerScheduledTime;
};

std::unique_ptr<base::MessagePump> messagePumpFactory()
{
    return base::WrapUnique(new MessagePumpForUIQt);
}

}  // anonymous namespace

class BrowserMainPartsQt : public content::BrowserMainParts
{
public:
    BrowserMainPartsQt()
        : content::BrowserMainParts()
    { }

    void PreMainMessageLoopStart() override
    {
        base::MessageLoop::InitMessagePumpForUIFactory(messagePumpFactory);
    }

    void PostMainMessageLoopRun() override
    {
        // The BrowserContext's destructor uses the MessageLoop so it should be deleted
        // right before the RenderProcessHostImpl's destructor destroys it.
        WebEngineContext::current()->destroyBrowserContext();
    }

    int PreCreateThreads() override
    {
        base::ThreadRestrictions::SetIOAllowed(true);
        // Like ChromeBrowserMainExtraPartsViews::PreCreateThreads does.
#if defined(Q_OS_WIN)
        display::Screen::SetScreenInstance(new display::win::ScreenWin);
#else
        display::Screen::SetScreenInstance(new DesktopScreenQt);
#endif
        return 0;
    }

private:
    DISALLOW_COPY_AND_ASSIGN(BrowserMainPartsQt);
};

class QtShareGLContext : public gl::GLContext {
public:
    QtShareGLContext(QOpenGLContext *qtContext)
        : gl::GLContext(0)
        , m_handle(0)
    {
        QString platform = qApp->platformName().toLower();
        QPlatformNativeInterface *pni = QGuiApplication::platformNativeInterface();
        if (platform == QLatin1String("xcb")) {
            if (gl::GetGLImplementation() == gl::kGLImplementationEGLGLES2)
                m_handle = pni->nativeResourceForContext(QByteArrayLiteral("eglcontext"), qtContext);
            else
                m_handle = pni->nativeResourceForContext(QByteArrayLiteral("glxcontext"), qtContext);
        } else if (platform == QLatin1String("cocoa"))
            m_handle = pni->nativeResourceForContext(QByteArrayLiteral("cglcontextobj"), qtContext);
        else if (platform == QLatin1String("qnx"))
            m_handle = pni->nativeResourceForContext(QByteArrayLiteral("eglcontext"), qtContext);
        else if (platform == QLatin1String("eglfs") || platform == QLatin1String("wayland")
                 || platform == QLatin1String("wayland-egl"))
            m_handle = pni->nativeResourceForContext(QByteArrayLiteral("eglcontext"), qtContext);
        else if (platform == QLatin1String("windows")) {
            if (gl::GetGLImplementation() == gl::kGLImplementationEGLGLES2)
                m_handle = pni->nativeResourceForContext(QByteArrayLiteral("eglContext"), qtContext);
            else
                m_handle = pni->nativeResourceForContext(QByteArrayLiteral("renderingcontext"), qtContext);
        } else {
            qFatal("%s platform not yet supported", platform.toLatin1().constData());
            // Add missing platforms once they work.
            Q_UNREACHABLE();
        }
    }

    void* GetHandle() override { return m_handle; }
    // Qt currently never creates contexts using robustness attributes.
    bool WasAllocatedUsingRobustnessExtension() override { return false; }

    // We don't care about the rest, this context shouldn't be used except for its handle.
    bool Initialize(gl::GLSurface *, const gl::GLContextAttribs &) override { Q_UNREACHABLE(); return false; }
    bool MakeCurrent(gl::GLSurface *) override { Q_UNREACHABLE(); return false; }
    void ReleaseCurrent(gl::GLSurface *) override { Q_UNREACHABLE(); }
    bool IsCurrent(gl::GLSurface *) override { Q_UNREACHABLE(); return false; }
    void OnSetSwapInterval(int) override { Q_UNREACHABLE(); }
    scoped_refptr<gl::GPUTimingClient> CreateGPUTimingClient() override
    {
        return nullptr;
    }
    const gl::ExtensionSet& GetExtensions() override
    {
        static const gl::ExtensionSet s_emptySet;
        return s_emptySet;
    }
    void ResetExtensions() override
    {
    }

private:
    void *m_handle;
};

class ShareGroupQtQuick : public gl::GLShareGroup {
public:
    gl::GLContext* GetContext() override { return m_shareContextQtQuick.get(); }
    void AboutToAddFirstContext() override;

private:
    scoped_refptr<QtShareGLContext> m_shareContextQtQuick;
};

void ShareGroupQtQuick::AboutToAddFirstContext()
{
#ifndef QT_NO_OPENGL
    // This currently has to be setup by ::main in all applications using QQuickWebEngineView with delegated rendering.
    QOpenGLContext *shareContext = qt_gl_global_share_context();
    if (!shareContext) {
        qFatal("QWebEngine: OpenGL resource sharing is not set up in QtQuick. Please make sure to call QtWebEngine::initialize() in your main() function.");
    }
    m_shareContextQtQuick = new QtShareGLContext(shareContext);
#endif
}

ContentBrowserClientQt::ContentBrowserClientQt()
    : m_browserMainParts(0)
{
    Q_ASSERT(!gBrowserClient);
    gBrowserClient = this;
}

ContentBrowserClientQt::~ContentBrowserClientQt()
{
    gBrowserClient = 0;
}

ContentBrowserClientQt *ContentBrowserClientQt::Get()
{
    return gBrowserClient;
}

content::BrowserMainParts *ContentBrowserClientQt::CreateBrowserMainParts(const content::MainFunctionParams&)
{
    m_browserMainParts = new BrowserMainPartsQt();
    return m_browserMainParts;
}

void ContentBrowserClientQt::RenderProcessWillLaunch(content::RenderProcessHost* host)
{
    // FIXME: Add a settings variable to enable/disable the file scheme.
    const int id = host->GetID();
    content::ChildProcessSecurityPolicy::GetInstance()->GrantScheme(id, url::kFileScheme);
    static_cast<BrowserContextQt*>(host->GetBrowserContext())->m_adapter->userResourceController()->renderProcessStartedWithHost(host);
#if BUILDFLAG(ENABLE_LIBRARY_CDMS)
    host->AddFilter(new BrowserMessageFilterQt(id));
#endif
#if defined(Q_OS_MACOS) && BUILDFLAG(ENABLE_SPELLCHECK) && BUILDFLAG(USE_BROWSER_SPELLCHECKER)
  host->AddFilter(new SpellCheckMessageFilterPlatform(id));
#endif
#if BUILDFLAG(ENABLE_BASIC_PRINTING)
    host->AddFilter(new PrintingMessageFilterQt(host->GetID()));
#endif // BUILDFLAG(ENABLE_BASIC_PRINTING)
}

void ContentBrowserClientQt::ResourceDispatcherHostCreated()
{
    m_resourceDispatcherHostDelegate.reset(new ResourceDispatcherHostDelegateQt);
    content::ResourceDispatcherHost::Get()->SetDelegate(m_resourceDispatcherHostDelegate.get());
}

gl::GLShareGroup *ContentBrowserClientQt::GetInProcessGpuShareGroup()
{
    if (!m_shareGroupQtQuick.get())
        m_shareGroupQtQuick = new ShareGroupQtQuick;
    return m_shareGroupQtQuick.get();
}

content::MediaObserver *ContentBrowserClientQt::GetMediaObserver()
{
    return MediaCaptureDevicesDispatcher::GetInstance();
}

void ContentBrowserClientQt::OverrideWebkitPrefs(content::RenderViewHost *rvh, content::WebPreferences *web_prefs)
{
    if (content::WebContents *webContents = rvh->GetDelegate()->GetAsWebContents()) {
        WebContentsDelegateQt* delegate = static_cast<WebContentsDelegateQt*>(webContents->GetDelegate());
        if (delegate)
            delegate->overrideWebPreferences(webContents, web_prefs);
    }
}

content::QuotaPermissionContext *ContentBrowserClientQt::CreateQuotaPermissionContext()
{
    return new QuotaPermissionContextQt;
}

void ContentBrowserClientQt::GetQuotaSettings(content::BrowserContext* context,
                                              content::StoragePartition* partition,
                                              storage::OptionalQuotaSettingsCallback callback)
{
    storage::GetNominalDynamicSettings(partition->GetPath(), context->IsOffTheRecord(), std::move(callback));
}

// Copied from chrome/browser/ssl/ssl_error_handler.cc:
static int IsCertErrorFatal(int cert_error)
{
    switch (cert_error) {
    case net::ERR_CERT_COMMON_NAME_INVALID:
    case net::ERR_CERT_DATE_INVALID:
    case net::ERR_CERT_AUTHORITY_INVALID:
    case net::ERR_CERT_WEAK_SIGNATURE_ALGORITHM:
    case net::ERR_CERT_WEAK_KEY:
    case net::ERR_CERT_NAME_CONSTRAINT_VIOLATION:
    case net::ERR_CERT_VALIDITY_TOO_LONG:
    case net::ERR_CERTIFICATE_TRANSPARENCY_REQUIRED:
        return false;
    case net::ERR_CERT_CONTAINS_ERRORS:
    case net::ERR_CERT_REVOKED:
    case net::ERR_CERT_INVALID:
    case net::ERR_SSL_WEAK_SERVER_EPHEMERAL_DH_KEY:
    case net::ERR_SSL_PINNED_KEY_NOT_IN_CERT_CHAIN:
        return true;
    default:
        NOTREACHED();
    }
    return true;
}

void ContentBrowserClientQt::AllowCertificateError(content::WebContents *webContents,
                                                   int cert_error,
                                                   const net::SSLInfo &ssl_info,
                                                   const GURL &request_url,
                                                   content::ResourceType resource_type,
                                                   bool strict_enforcement,
                                                   bool expired_previous_decision,
                                                   const base::Callback<void(content::CertificateRequestResultType)> &callback)
{
    WebContentsDelegateQt* contentsDelegate = static_cast<WebContentsDelegateQt*>(webContents->GetDelegate());

    QSharedPointer<CertificateErrorController> errorController(
            new CertificateErrorController(
                    new CertificateErrorControllerPrivate(
                            cert_error,
                            ssl_info,
                            request_url,
                            resource_type,
                            !IsCertErrorFatal(cert_error),
                            strict_enforcement,
                            callback)));
    contentsDelegate->allowCertificateError(errorController);
}

void ContentBrowserClientQt::SelectClientCertificate(content::WebContents * /*webContents*/,
                                                     net::SSLCertRequestInfo * /*certRequestInfo*/,
                                                     net::ClientCertIdentityList /*client_certs*/,
                                                     std::unique_ptr<content::ClientCertificateDelegate> delegate)
{
    delegate->ContinueWithCertificate(nullptr, nullptr);
}

std::string ContentBrowserClientQt::GetApplicationLocale()
{
    return WebEngineLibraryInfo::getApplicationLocale();
}

std::string ContentBrowserClientQt::GetAcceptLangs(content::BrowserContext *context)
{
    return static_cast<BrowserContextQt*>(context)->adapter()->httpAcceptLanguage().toStdString();
}

void ContentBrowserClientQt::AppendExtraCommandLineSwitches(base::CommandLine* command_line, int child_process_id)
{
    Q_UNUSED(child_process_id);

    std::string processType = command_line->GetSwitchValueASCII(switches::kProcessType);
    if (processType == switches::kZygoteProcess)
        command_line->AppendSwitchASCII(switches::kLang, GetApplicationLocale());
}

void ContentBrowserClientQt::GetAdditionalWebUISchemes(std::vector<std::string>* additional_schemes)
{
    additional_schemes->push_back(content::kChromeDevToolsScheme);
}

void ContentBrowserClientQt::GetAdditionalViewSourceSchemes(std::vector<std::string>* additional_schemes)
{
    GetAdditionalWebUISchemes(additional_schemes);
    additional_schemes->push_back(kQrcSchemeQt);
}

#if defined(Q_OS_LINUX)
void ContentBrowserClientQt::GetAdditionalMappedFilesForChildProcess(const base::CommandLine& command_line, int child_process_id, content::PosixFileDescriptorInfo* mappings)
{
    const std::string &locale = GetApplicationLocale();
    const base::FilePath &locale_file_path = ui::ResourceBundle::GetSharedInstance().GetLocaleFilePath(locale, true);
    if (locale_file_path.empty())
        return;

    // Open pak file of the current locale in the Browser process and pass its file descriptor to the sandboxed
    // Renderer Process. FileDescriptorInfo is responsible for closing the file descriptor.
    int flags = base::File::FLAG_OPEN | base::File::FLAG_READ;
    base::File locale_file = base::File(locale_file_path, flags);
    mappings->Transfer(kWebEngineLocale, base::ScopedFD(locale_file.TakePlatformFile()));
}
#endif

#if BUILDFLAG(ENABLE_PLUGINS)
void ContentBrowserClientQt::DidCreatePpapiPlugin(content::BrowserPpapiHost* browser_host)
{
    browser_host->GetPpapiHost()->AddHostFactoryFilter(
                base::WrapUnique(new QtWebEngineCore::PepperHostFactoryQt(browser_host)));
}
#endif

content::DevToolsManagerDelegate* ContentBrowserClientQt::GetDevToolsManagerDelegate()
{
    return new DevToolsManagerDelegateQt;
}

// This is a really complicated way of doing absolutely nothing, but Mojo demands it:
class ServiceDriver
        : public blink::mojom::InsecureInputService
        , public content::WebContentsUserData<ServiceDriver>
{
public:
    static void CreateForRenderFrameHost(content::RenderFrameHost *renderFrameHost)
    {
        content::WebContents* web_contents = content::WebContents::FromRenderFrameHost(renderFrameHost);
        if (!web_contents)
            return;
        CreateForWebContents(web_contents);

    }
    static ServiceDriver* FromRenderFrameHost(content::RenderFrameHost *renderFrameHost)
    {
        content::WebContents* web_contents = content::WebContents::FromRenderFrameHost(renderFrameHost);
        if (!web_contents)
            return nullptr;
        return FromWebContents(web_contents);
    }
    static void BindInsecureInputService(blink::mojom::InsecureInputServiceRequest request, content::RenderFrameHost *render_frame_host)
    {
        CreateForRenderFrameHost(render_frame_host);
        ServiceDriver *driver = FromRenderFrameHost(render_frame_host);

        if (driver)
            driver->BindInsecureInputServiceRequest(std::move(request));
    }
    void BindInsecureInputServiceRequest(blink::mojom::InsecureInputServiceRequest request)
    {
        m_insecureInputServiceBindings.AddBinding(this, std::move(request));
    }

    // blink::mojom::InsecureInputService:
    void PasswordFieldVisibleInInsecureContext() override
    { }
    void AllPasswordFieldsInInsecureContextInvisible() override
    { }
    void DidEditFieldInInsecureContext() override
    { }

private:
    explicit ServiceDriver(content::WebContents* /*web_contents*/) { }
    friend class content::WebContentsUserData<ServiceDriver>;
    mojo::BindingSet<blink::mojom::InsecureInputService> m_insecureInputServiceBindings;
};

void ContentBrowserClientQt::InitFrameInterfaces()
{
    m_frameInterfaces = base::MakeUnique<service_manager::BinderRegistry>();
    m_frameInterfacesParameterized = base::MakeUnique<service_manager::BinderRegistryWithArgs<content::RenderFrameHost*>>();
    m_frameInterfacesParameterized->AddInterface(base::Bind(&ServiceDriver::BindInsecureInputService));
}

void ContentBrowserClientQt::BindInterfaceRequestFromFrame(content::RenderFrameHost* render_frame_host,
                                                           const std::string& interface_name,
                                                           mojo::ScopedMessagePipeHandle interface_pipe)
{
    if (!m_frameInterfaces.get() && !m_frameInterfacesParameterized.get())
        InitFrameInterfaces();

    if (!m_frameInterfacesParameterized->TryBindInterface(interface_name, &interface_pipe, render_frame_host))
        m_frameInterfaces->TryBindInterface(interface_name, &interface_pipe);
}

class ServiceQt : public service_manager::Service {
public:
    ServiceQt();

    static std::unique_ptr<service_manager::Service> Create()
    {
        return base::MakeUnique<ServiceQt>();
    }

private:
    // service_manager::Service:
    void OnBindInterface(const service_manager::BindSourceInfo& remote_info,
                         const std::string& name,
                         mojo::ScopedMessagePipeHandle handle) override;

    service_manager::BinderRegistry m_registry;
    service_manager::BinderRegistryWithArgs<const service_manager::BindSourceInfo&> m_registry_with_source_info;

    DISALLOW_COPY_AND_ASSIGN(ServiceQt);
};

ServiceQt::ServiceQt()
{
    DCHECK_CURRENTLY_ON(content::BrowserThread::IO);
#if BUILDFLAG(ENABLE_SPELLCHECK)
    m_registry_with_source_info.AddInterface(
            base::Bind(&SpellCheckHostChromeImpl::Create),
                       content::BrowserThread::GetTaskRunnerForThread(content::BrowserThread::UI));
#endif
}

void ServiceQt::OnBindInterface(const service_manager::BindSourceInfo& remote_info,
                                const std::string& name,
                                mojo::ScopedMessagePipeHandle handle)
{
    content::OverrideOnBindInterface(remote_info, name, &handle);
    if (!handle.is_valid())
        return;

    if (!m_registry.TryBindInterface(name, &handle))
        m_registry_with_source_info.TryBindInterface(name, &handle, remote_info);
}

void ContentBrowserClientQt::RegisterInProcessServices(StaticServiceMap* services)
{
    service_manager::EmbeddedServiceInfo info;
    info.factory = base::Bind(&ServiceQt::Create);
    services->insert(std::make_pair("qtwebengine", info));
}

std::unique_ptr<base::Value> ContentBrowserClientQt::GetServiceManifestOverlay(base::StringPiece name)
{
    ui::ResourceBundle &rb = ui::ResourceBundle::GetSharedInstance();
    int id = -1;
    if (name == content::mojom::kPackagedServicesServiceName)
        id = IDR_QTWEBENGINE_CONTENT_PACKAGED_SERVICES_MANIFEST_OVERLAY;
    else if (name == content::mojom::kRendererServiceName)
        id = IDR_QTWEBENGINE_CONTENT_RENDERER_MANIFEST_OVERLAY;
    if (id == -1)
        return nullptr;

    base::StringPiece manifest_contents =
        rb.GetRawDataResourceForScale(id, ui::ScaleFactor::SCALE_FACTOR_NONE);
    return base::JSONReader::Read(manifest_contents);
}

bool ContentBrowserClientQt::CanCreateWindow(
    content::RenderFrameHost* opener,
    const GURL& opener_url,
    const GURL& opener_top_level_frame_url,
    const GURL& source_origin,
    content::mojom::WindowContainerType container_type,
    const GURL& target_url,
    const content::Referrer& referrer,
    const std::string& frame_name,
    WindowOpenDisposition disposition,
    const blink::mojom::WindowFeatures& features,
    bool user_gesture,
    bool opener_suppressed,
    bool* no_javascript_access) {

    Q_UNUSED(opener_url);
    Q_UNUSED(opener_top_level_frame_url);
    Q_UNUSED(source_origin);
    Q_UNUSED(container_type);
    Q_UNUSED(target_url);
    Q_UNUSED(referrer);
    Q_UNUSED(frame_name);
    Q_UNUSED(disposition);
    Q_UNUSED(features);
    Q_UNUSED(opener_suppressed);

    if (no_javascript_access)
        *no_javascript_access = false;

    content::WebContents* webContents = content::WebContents::FromRenderFrameHost(opener);

    WebEngineSettings *settings = nullptr;
    if (webContents) {
        WebContentsDelegateQt* delegate =
                static_cast<WebContentsDelegateQt*>(webContents->GetDelegate());
        if (delegate)
            settings = delegate->webEngineSettings();
    }

    return (settings && settings->getJavaScriptCanOpenWindowsAutomatically()) || user_gesture;
}

bool ContentBrowserClientQt::AllowGetCookie(const GURL &url,
                                            const GURL &first_party,
                                            const net::CookieList & /*cookie_list*/,
                                            content::ResourceContext *context,
                                            int /*render_process_id*/,
                                            int /*render_frame_id*/)
{
    DCHECK_CURRENTLY_ON(content::BrowserThread::IO);
    NetworkDelegateQt *networkDelegate = static_cast<NetworkDelegateQt *>(context->GetRequestContext()->network_delegate());
    return networkDelegate->canGetCookies(first_party, url);
}

bool ContentBrowserClientQt::AllowSetCookie(const GURL &url,
                                            const GURL &first_party,
                                            const net::CanonicalCookie& /*cookie*/,
                                            content::ResourceContext *context,
                                            int /*render_process_id*/,
                                            int /*render_frame_id*/,
                                            const net::CookieOptions& /*options*/)
{
    DCHECK_CURRENTLY_ON(content::BrowserThread::IO);
    NetworkDelegateQt *networkDelegate = static_cast<NetworkDelegateQt *>(context->GetRequestContext()->network_delegate());
    return networkDelegate->canSetCookies(first_party, url, std::string());
}

bool ContentBrowserClientQt::AllowAppCache(const GURL &manifest_url,
                                           const GURL &first_party,
                                           content::ResourceContext *context)
{
    DCHECK_CURRENTLY_ON(content::BrowserThread::IO);
    NetworkDelegateQt *networkDelegate = static_cast<NetworkDelegateQt *>(context->GetRequestContext()->network_delegate());
    return networkDelegate->canGetCookies(first_party, manifest_url);
}

bool ContentBrowserClientQt::AllowServiceWorker(const GURL &scope,
                                                const GURL &first_party,
                                                content::ResourceContext *context,
                                                const base::Callback<content::WebContents*(void)> &/*wc_getter*/)
{
    DCHECK_CURRENTLY_ON(content::BrowserThread::IO);
    // FIXME: Chrome also checks if javascript is enabled here to check if has been disabled since the service worker
    // was started.
    NetworkDelegateQt *networkDelegate = static_cast<NetworkDelegateQt *>(context->GetRequestContext()->network_delegate());
    return networkDelegate->canGetCookies(first_party, scope);
}

// We control worker access to FS and indexed-db using cookie permissions, this is mirroring Chromium's logic.
void ContentBrowserClientQt::AllowWorkerFileSystem(const GURL &url,
                                                   content::ResourceContext *context,
                                                   const std::vector<std::pair<int, int> > &/*render_frames*/,
                                                   base::Callback<void(bool)> callback)
{
    DCHECK_CURRENTLY_ON(content::BrowserThread::IO);
    NetworkDelegateQt *networkDelegate = static_cast<NetworkDelegateQt *>(context->GetRequestContext()->network_delegate());
    callback.Run(networkDelegate->canSetCookies(url, url, std::string()));
}

bool ContentBrowserClientQt::AllowWorkerIndexedDB(const GURL &url,
                                                  const base::string16 &/*name*/,
                                                  content::ResourceContext *context,
                                                  const std::vector<std::pair<int, int> > &/*render_frames*/)
{
    DCHECK_CURRENTLY_ON(content::BrowserThread::IO);
    NetworkDelegateQt *networkDelegate = static_cast<NetworkDelegateQt *>(context->GetRequestContext()->network_delegate());
    return networkDelegate->canSetCookies(url, url, std::string());
}

} // namespace QtWebEngineCore

DEFINE_WEB_CONTENTS_USER_DATA_KEY(QtWebEngineCore::ServiceDriver);