text: // Copyright 2014 PDFium Authors. All rights reserved.
  // Use of this source code is governed by a BSD-style license that can be
  // found in the LICENSE file.
  
  // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
  
  #include "fxjs/cjs_app.h"
  
  #include <utility>
  
  #include "fpdfsdk/cpdfsdk_interactiveform.h"
  #include "fxjs/cjs_document.h"
  #include "fxjs/cjs_timerobj.h"
  #include "fxjs/global_timer.h"
  #include "fxjs/ijs_event_context.h"
  #include "fxjs/js_resources.h"
  #include "third_party/base/ptr_util.h"
  #include "third_party/base/stl_util.h"
  
  #ifdef PDF_ENABLE_XFA
  #include "fpdfsdk/fpdfxfa/cpdfxfa_context.h"
  #endif  // PDF_ENABLE_XFA
  
  #define JS_STR_VIEWERTYPE L"pdfium"
  #define JS_STR_VIEWERVARIATION L"Full"
  #define JS_STR_PLATFORM L"WIN"
  #define JS_STR_LANGUAGE L"ENU"
  #define JS_NUM_VIEWERVERSION 8
  #ifdef PDF_ENABLE_XFA
  #define JS_NUM_VIEWERVERSION_XFA 11
  #endif  // PDF_ENABLE_XFA
  #define JS_NUM_FORMSVERSION 7
  
  const JSPropertySpec CJS_App::PropertySpecs[] = {
      {"activeDocs", get_active_docs_static, set_active_docs_static},
      {"calculate", get_calculate_static, set_calculate_static},
      {"formsVersion", get_forms_version_static, set_forms_version_static},
      {"fs", get_fs_static, set_fs_static},
      {"fullscreen", get_fullscreen_static, set_fullscreen_static},
      {"language", get_language_static, set_language_static},
      {"media", get_media_static, set_media_static},
      {"platform", get_platform_static, set_platform_static},
      {"runtimeHighlight", get_runtime_highlight_static,
       set_runtime_highlight_static},
      {"viewerType", get_viewer_type_static, set_viewer_type_static},
      {"viewerVariation", get_viewer_variation_static,
       set_viewer_variation_static},
      {"viewerVersion", get_viewer_version_static, set_viewer_version_static}};
  
  const JSMethodSpec CJS_App::MethodSpecs[] = {
      {"alert", alert_static},
      {"beep", beep_static},
      {"browseForDoc", browseForDoc_static},
      {"clearInterval", clearInterval_static},
      {"clearTimeOut", clearTimeOut_static},
      {"execDialog", execDialog_static},
      {"execMenuItem", execMenuItem_static},
      {"findComponent", findComponent_static},
      {"goBack", goBack_static},
      {"goForward", goForward_static},
      {"launchURL", launchURL_static},
      {"mailMsg", mailMsg_static},
      {"newFDF", newFDF_static},
      {"newDoc", newDoc_static},
      {"openDoc", openDoc_static},
      {"openFDF", openFDF_static},
      {"popUpMenuEx", popUpMenuEx_static},
      {"popUpMenu", popUpMenu_static},
      {"response", response_static},
      {"setInterval", setInterval_static},
      {"setTimeOut", setTimeOut_static}};
  
  int CJS_App::ObjDefnID = -1;
  
  const char CJS_App::kName[] = "app";
  
  // static
  int CJS_App::GetObjDefnID() {
    return ObjDefnID;
  }
  
  // static
  void CJS_App::DefineJSObjects(CFXJS_Engine* pEngine) {
    ObjDefnID = pEngine->DefineObj(CJS_App::kName, FXJSOBJTYPE_STATIC,
                                   JSConstructor<CJS_App>, JSDestructor);
    DefineProps(pEngine, ObjDefnID, PropertySpecs);
    DefineMethods(pEngine, ObjDefnID, MethodSpecs);
  }
  
  CJS_App::CJS_App(v8::Local<v8::Object> pObject, CJS_Runtime* pRuntime)
      : CJS_Object(pObject, pRuntime) {}
  
  CJS_App::~CJS_App() = default;
  
  CJS_Result CJS_App::get_active_docs(CJS_Runtime* pRuntime) {
    v8::Local<v8::Object> pObj = pRuntime->GetThisObj();
    auto pJSDocument = JSGetObject<CJS_Document>(pObj);
    v8::Local<v8::Array> aDocs = pRuntime->NewArray();
    pRuntime->PutArrayElement(
        aDocs, 0,
        pJSDocument ? v8::Local<v8::Value>(pJSDocument->ToV8Object())
                    : v8::Local<v8::Value>());
    if (pRuntime->GetArrayLength(aDocs) > 0)
      return CJS_Result::Success(aDocs);
  
    return CJS_Result::Success(pRuntime->NewUndefined());
  }
  
  CJS_Result CJS_App::set_active_docs(CJS_Runtime* pRuntime,
                                      v8::Local<v8::Value> vp) {
    return CJS_Result::Failure(JSMessage::kNotSupportedError);
  }
  
  CJS_Result CJS_App::get_calculate(CJS_Runtime* pRuntime) {
    return CJS_Result::Success(pRuntime->NewBoolean(m_bCalculate));
  }
  
  CJS_Result CJS_App::set_calculate(CJS_Runtime* pRuntime,
                                    v8::Local<v8::Value> vp) {
    m_bCalculate = pRuntime->ToBoolean(vp);
    pRuntime->GetFormFillEnv()->GetInteractiveForm()->EnableCalculate(
        m_bCalculate);
    return CJS_Result::Success();
  }
  
  CJS_Result CJS_App::get_forms_version(CJS_Runtime* pRuntime) {
    return CJS_Result::Success(pRuntime->NewNumber(JS_NUM_FORMSVERSION));
  }
  
  CJS_Result CJS_App::set_forms_version(CJS_Runtime* pRuntime,
                                        v8::Local<v8::Value> vp) {
    return CJS_Result::Failure(JSMessage::kNotSupportedError);
  }
  
  CJS_Result CJS_App::get_viewer_type(CJS_Runtime* pRuntime) {
    return CJS_Result::Success(pRuntime->NewString(JS_STR_VIEWERTYPE));
  }
  
  CJS_Result CJS_App::set_viewer_type(CJS_Runtime* pRuntime,
                                      v8::Local<v8::Value> vp) {
    return CJS_Result::Failure(JSMessage::kNotSupportedError);
  }
  
  CJS_Result CJS_App::get_viewer_variation(CJS_Runtime* pRuntime) {
    return CJS_Result::Success(pRuntime->NewString(JS_STR_VIEWERVARIATION));
  }
  
  CJS_Result CJS_App::set_viewer_variation(CJS_Runtime* pRuntime,
                                           v8::Local<v8::Value> vp) {
    return CJS_Result::Failure(JSMessage::kNotSupportedError);
  }
  
  CJS_Result CJS_App::get_viewer_version(CJS_Runtime* pRuntime) {
  #ifdef PDF_ENABLE_XFA
    CPDFXFA_Context* pXFAContext = pRuntime->GetFormFillEnv()->GetXFAContext();
    if (pXFAContext->ContainsXFAForm())
      return CJS_Result::Success(pRuntime->NewNumber(JS_NUM_VIEWERVERSION_XFA));
  #endif  // PDF_ENABLE_XFA
    return CJS_Result::Success(pRuntime->NewNumber(JS_NUM_VIEWERVERSION));
  }
  
  CJS_Result CJS_App::set_viewer_version(CJS_Runtime* pRuntime,
                                         v8::Local<v8::Value> vp) {
    return CJS_Result::Failure(JSMessage::kNotSupportedError);
  }
  
  CJS_Result CJS_App::get_platform(CJS_Runtime* pRuntime) {
  #ifdef PDF_ENABLE_XFA
    CPDFSDK_FormFillEnvironment* pFormFillEnv = pRuntime->GetFormFillEnv();
    if (!pFormFillEnv)
      return CJS_Result::Failure(JSMessage::kBadObjectError);
  
    WideString platform = pFormFillEnv->GetPlatform();
    if (!platform.IsEmpty())
      return CJS_Result::Success(pRuntime->NewString(platform.AsStringView()));
  #endif
    return CJS_Result::Success(pRuntime->NewString(JS_STR_PLATFORM));
  }
  
  CJS_Result CJS_App::set_platform(CJS_Runtime* pRuntime,
                                   v8::Local<v8::Value> vp) {
    return CJS_Result::Failure(JSMessage::kNotSupportedError);
  }
  
  CJS_Result CJS_App::get_language(CJS_Runtime* pRuntime) {
  #ifdef PDF_ENABLE_XFA
    CPDFSDK_FormFillEnvironment* pFormFillEnv = pRuntime->GetFormFillEnv();
    if (!pFormFillEnv)
      return CJS_Result::Failure(JSMessage::kBadObjectError);
  
    WideString language = pFormFillEnv->GetLanguage();
    if (!language.IsEmpty())
      return CJS_Result::Success(pRuntime->NewString(language.AsStringView()));
  #endif
    return CJS_Result::Success(pRuntime->NewString(JS_STR_LANGUAGE));
  }
  
  CJS_Result CJS_App::set_language(CJS_Runtime* pRuntime,
                                   v8::Local<v8::Value> vp) {
    return CJS_Result::Failure(JSMessage::kNotSupportedError);
  }
  
  // creates a new fdf object that contains no data
  // comment: need reader support
  // note:
  // CFDF_Document * CPDFSDK_FormFillEnvironment::NewFDF();
  CJS_Result CJS_App::newFDF(CJS_Runtime* pRuntime,
                             const std::vector<v8::Local<v8::Value>>& params) {
    return CJS_Result::Success();
  }
  
  // opens a specified pdf document and returns its document object
  // comment:need reader support
  // note: as defined in js reference, the proto of this function's fourth
  // parmeters, how old an fdf document while do not show it.
  // CFDF_Document * CPDFSDK_FormFillEnvironment::OpenFDF(string strPath,bool
  // bUserConv);
  
  CJS_Result CJS_App::openFDF(CJS_Runtime* pRuntime,
                              const std::vector<v8::Local<v8::Value>>& params) {
    return CJS_Result::Success();
  }
  
  CJS_Result CJS_App::alert(CJS_Runtime* pRuntime,
                            const std::vector<v8::Local<v8::Value>>& params) {
    std::vector<v8::Local<v8::Value>> newParams = ExpandKeywordParams(
        pRuntime, params, 4, "cMsg", "nIcon", "nType", "cTitle");
  
    if (!IsExpandedParamKnown(newParams[0]))
      return CJS_Result::Failure(JSMessage::kParamError);
  
    CPDFSDK_FormFillEnvironment* pFormFillEnv = pRuntime->GetFormFillEnv();
    if (!pFormFillEnv)
      return CJS_Result::Success(pRuntime->NewNumber(0));
  
    WideString swMsg;
    if (newParams[0]->IsArray()) {
      v8::Local<v8::Array> carray = pRuntime->ToArray(newParams[0]);
      swMsg = L"[";
      for (size_t i = 0; i < pRuntime->GetArrayLength(carray); ++i) {
        if (i)
          swMsg += L", ";
  
        swMsg += pRuntime->ToWideString(pRuntime->GetArrayElement(carray, i));
      }
      swMsg += L"]";
    } else {
      swMsg = pRuntime->ToWideString(newParams[0]);
    }
  
    int iIcon = JSPLATFORM_ALERT_ICON_DEFAULT;
    if (IsExpandedParamKnown(newParams[1]))
      iIcon = pRuntime->ToInt32(newParams[1]);
  
    int iType = JSPLATFORM_ALERT_BUTTON_DEFAULT;
    if (IsExpandedParamKnown(newParams[2]))
      iType = pRuntime->ToInt32(newParams[2]);
  
    WideString swTitle;
    if (IsExpandedParamKnown(newParams[3]))
      swTitle = pRuntime->ToWideString(newParams[3]);
    else
      swTitle = JSGetStringFromID(JSMessage::kAlert);
  
    pRuntime->BeginBlock();
    pFormFillEnv->KillFocusAnnot(0);
    v8::Local<v8::Value> ret = pRuntime->NewNumber(
        pFormFillEnv->JS_appAlert(swMsg, swTitle, iType, iIcon));
    pRuntime->EndBlock();
  
    return CJS_Result::Success(ret);
  }
  
  CJS_Result CJS_App::beep(CJS_Runtime* pRuntime,
                           const std::vector<v8::Local<v8::Value>>& params) {
    if (params.size() != 1)
      return CJS_Result::Failure(JSMessage::kParamError);
  
    int type = JSPLATFORM_BEEP_DEFAULT;
    if (IsExpandedParamKnown(params[0]))
      type = pRuntime->ToInt32(params[0]);
  
    pRuntime->GetFormFillEnv()->JS_appBeep(type);
    return CJS_Result::Success();
  }
  
  CJS_Result CJS_App::findComponent(
      CJS_Runtime* pRuntime,
      const std::vector<v8::Local<v8::Value>>& params) {
    return CJS_Result::Success();
  }
  
  CJS_Result CJS_App::popUpMenuEx(
      CJS_Runtime* pRuntime,
      const std::vector<v8::Local<v8::Value>>& params) {
    return CJS_Result::Failure(JSMessage::kNotSupportedError);
  }
  
  CJS_Result CJS_App::get_fs(CJS_Runtime* pRuntime) {
    return CJS_Result::Failure(JSMessage::kNotSupportedError);
  }
  
  CJS_Result CJS_App::set_fs(CJS_Runtime* pRuntime, v8::Local<v8::Value> vp) {
    return CJS_Result::Failure(JSMessage::kNotSupportedError);
  }
  
  CJS_Result CJS_App::setInterval(
      CJS_Runtime* pRuntime,
      const std::vector<v8::Local<v8::Value>>& params) {
    if (params.size() == 0 || params.size() > 2)
      return CJS_Result::Failure(JSMessage::kParamError);
  
    WideString script = pRuntime->ToWideString(params[0]);
    if (script.IsEmpty())
      return CJS_Result::Failure(JSMessage::kInvalidInputError);
  
    uint32_t dwInterval = params.size() > 1 ? pRuntime->ToInt32(params[1]) : 1000;
    auto timerRef = pdfium::MakeUnique<GlobalTimer>(
        this, pRuntime->GetFormFillEnv(), pRuntime, 0, script, dwInterval, 0);
    GlobalTimer* pTimerRef = timerRef.get();
    m_Timers.insert(std::move(timerRef));
  
    v8::Local<v8::Object> pRetObj = pRuntime->NewFXJSBoundObject(
        CJS_TimerObj::GetObjDefnID(), FXJSOBJTYPE_DYNAMIC);
    if (pRetObj.IsEmpty())
      return CJS_Result::Failure(JSMessage::kBadObjectError);
  
    auto* pJS_TimerObj =
        static_cast<CJS_TimerObj*>(CFXJS_Engine::GetObjectPrivate(pRetObj));
  
    pJS_TimerObj->SetTimer(pTimerRef);
    return CJS_Result::Success(pRetObj);
  }
  
  CJS_Result CJS_App::setTimeOut(
      CJS_Runtime* pRuntime,
      const std::vector<v8::Local<v8::Value>>& params) {
    if (params.size() == 0 || params.size() > 2)
      return CJS_Result::Failure(JSMessage::kParamError);
  
    WideString script = pRuntime->ToWideString(params[0]);
    if (script.IsEmpty())
      return CJS_Result::Failure(JSMessage::kInvalidInputError);
  
    uint32_t dwTimeOut = params.size() > 1 ? pRuntime->ToInt32(params[1]) : 1000;
    auto timerRef = pdfium::MakeUnique<GlobalTimer>(
        this, pRuntime->GetFormFillEnv(), pRuntime, 1, script, dwTimeOut,
        dwTimeOut);
    GlobalTimer* pTimerRef = timerRef.get();
    m_Timers.insert(std::move(timerRef));
  
    v8::Local<v8::Object> pRetObj = pRuntime->NewFXJSBoundObject(
        CJS_TimerObj::GetObjDefnID(), FXJSOBJTYPE_DYNAMIC);
    if (pRetObj.IsEmpty())
      return CJS_Result::Failure(JSMessage::kBadObjectError);
  
    auto* pJS_TimerObj =
        static_cast<CJS_TimerObj*>(CFXJS_Engine::GetObjectPrivate(pRetObj));
  
    pJS_TimerObj->SetTimer(pTimerRef);
    return CJS_Result::Success(pRetObj);
  }
  
  CJS_Result CJS_App::clearTimeOut(
      CJS_Runtime* pRuntime,
      const std::vector<v8::Local<v8::Value>>& params) {
    if (params.size() != 1)
      return CJS_Result::Failure(JSMessage::kParamError);
  
    CJS_App::ClearTimerCommon(pRuntime, params[0]);
    return CJS_Result::Success();
  }
  
  CJS_Result CJS_App::clearInterval(
      CJS_Runtime* pRuntime,
      const std::vector<v8::Local<v8::Value>>& params) {
    if (params.size() != 1)
      return CJS_Result::Failure(JSMessage::kParamError);
  
    CJS_App::ClearTimerCommon(pRuntime, params[0]);
    return CJS_Result::Success();
  }
  
  void CJS_App::ClearTimerCommon(CJS_Runtime* pRuntime,
                                 v8::Local<v8::Value> param) {
    if (!param->IsObject())
      return;
  
    v8::Local<v8::Object> pObj = pRuntime->ToObject(param);
    auto pTimer = JSGetObject<CJS_TimerObj>(pObj);
    if (!pTimer)
      return;
  
    GlobalTimer::Cancel(pTimer->GetTimerID());
  }
  
  CJS_Result CJS_App::execMenuItem(
      CJS_Runtime* pRuntime,
      const std::vector<v8::Local<v8::Value>>& params) {
    return CJS_Result::Failure(JSMessage::kNotSupportedError);
  }
  
  void CJS_App::TimerProc(GlobalTimer* pTimer) {
    CJS_Runtime* pRuntime = pTimer->GetRuntime();
    if (pRuntime && (!pTimer->IsOneShot() || pTimer->GetTimeOut() > 0))
      RunJsScript(pRuntime, pTimer->GetJScript());
  }
  
  void CJS_App::CancelProc(GlobalTimer* pTimer) {
    m_Timers.erase(pdfium::FakeUniquePtr<GlobalTimer>(pTimer));
  }
  
  void CJS_App::RunJsScript(CJS_Runtime* pRuntime, const WideString& wsScript) {
    if (pRuntime->IsBlocking())
      return;
  
    IJS_Runtime::ScopedEventContext pContext(pRuntime);
    pContext->OnExternal_Exec();
    pContext->RunScript(wsScript);
  }
  
  CJS_Result CJS_App::goBack(CJS_Runtime* pRuntime,
                             const std::vector<v8::Local<v8::Value>>& params) {
    // Not supported, but do not return error.
    return CJS_Result::Success();
  }
  
  CJS_Result CJS_App::goForward(CJS_Runtime* pRuntime,
                                const std::vector<v8::Local<v8::Value>>& params) {
    // Not supported, but do not return error.
    return CJS_Result::Success();
  }
  
  CJS_Result CJS_App::mailMsg(CJS_Runtime* pRuntime,
                              const std::vector<v8::Local<v8::Value>>& params) {
    std::vector<v8::Local<v8::Value>> newParams = ExpandKeywordParams(
        pRuntime, params, 6, "bUI", "cTo", "cCc", "cBcc", "cSubject", "cMsg");
  
    if (!IsExpandedParamKnown(newParams[0]))
      return CJS_Result::Failure(JSMessage::kParamError);
  
    bool bUI = pRuntime->ToBoolean(newParams[0]);
    WideString cTo;
    if (IsExpandedParamKnown(newParams[1])) {
      cTo = pRuntime->ToWideString(newParams[1]);
    } else {
      // cTo parameter required when UI not invoked.
      if (!bUI)
        return CJS_Result::Failure(JSMessage::kParamError);
    }
  
    WideString cCc;
    if (IsExpandedParamKnown(newParams[2]))
      cCc = pRuntime->ToWideString(newParams[2]);
  
    WideString cBcc;
    if (IsExpandedParamKnown(newParams[3]))
      cBcc = pRuntime->ToWideString(newParams[3]);
  
    WideString cSubject;
    if (IsExpandedParamKnown(newParams[4]))
      cSubject = pRuntime->ToWideString(newParams[4]);
  
    WideString cMsg;
    if (IsExpandedParamKnown(newParams[5]))
      cMsg = pRuntime->ToWideString(newParams[5]);
  
    pRuntime->BeginBlock();
    pRuntime->GetFormFillEnv()->JS_docmailForm(nullptr, 0, bUI, cTo, cSubject,
                                               cCc, cBcc, cMsg);
    pRuntime->EndBlock();
    return CJS_Result::Success();
  }
  
  CJS_Result CJS_App::launchURL(CJS_Runtime* pRuntime,
                                const std::vector<v8::Local<v8::Value>>& params) {
    // Unsafe, not supported, but do not return error.
    return CJS_Result::Success();
  }
  
  CJS_Result CJS_App::get_runtime_highlight(CJS_Runtime* pRuntime) {
    return CJS_Result::Success(pRuntime->NewBoolean(m_bRuntimeHighLight));
  }
  
  CJS_Result CJS_App::set_runtime_highlight(CJS_Runtime* pRuntime,
                                            v8::Local<v8::Value> vp) {
    m_bRuntimeHighLight = pRuntime->ToBoolean(vp);
    return CJS_Result::Success();
  }
  
  CJS_Result CJS_App::get_fullscreen(CJS_Runtime* pRuntime) {
    return CJS_Result::Failure(JSMessage::kNotSupportedError);
  }
  
  CJS_Result CJS_App::set_fullscreen(CJS_Runtime* pRuntime,
                                     v8::Local<v8::Value> vp) {
    return CJS_Result::Failure(JSMessage::kNotSupportedError);
  }
  
  CJS_Result CJS_App::popUpMenu(CJS_Runtime* pRuntime,
                                const std::vector<v8::Local<v8::Value>>& params) {
    return CJS_Result::Failure(JSMessage::kNotSupportedError);
  }
  
  CJS_Result CJS_App::browseForDoc(
      CJS_Runtime* pRuntime,
      const std::vector<v8::Local<v8::Value>>& params) {
    // Unsafe, not supported, but do not return an error.
    return CJS_Result::Success();
  }
  
  WideString CJS_App::SysPathToPDFPath(const WideString& sOldPath) {
    WideString sRet = L"/";
    for (const wchar_t& c : sOldPath) {
      if (c != L':')
        sRet += (c == L'\\') ? L'/' : c;
    }
    return sRet;
  }
  
  CJS_Result CJS_App::newDoc(CJS_Runtime* pRuntime,
                             const std::vector<v8::Local<v8::Value>>& params) {
    return CJS_Result::Failure(JSMessage::kNotSupportedError);
  }
  
  CJS_Result CJS_App::openDoc(CJS_Runtime* pRuntime,
                              const std::vector<v8::Local<v8::Value>>& params) {
    return CJS_Result::Failure(JSMessage::kNotSupportedError);
  }
  
  CJS_Result CJS_App::response(CJS_Runtime* pRuntime,
                               const std::vector<v8::Local<v8::Value>>& params) {
    std::vector<v8::Local<v8::Value>> newParams =
        ExpandKeywordParams(pRuntime, params, 5, "cQuestion", "cTitle",
                            "cDefault", "bPassword", "cLabel");
  
    if (!IsExpandedParamKnown(newParams[0]))
      return CJS_Result::Failure(JSMessage::kParamError);
  
    WideString swQuestion = pRuntime->ToWideString(newParams[0]);
    WideString swTitle = L"PDF";
    if (IsExpandedParamKnown(newParams[1]))
      swTitle = pRuntime->ToWideString(newParams[1]);
  
    WideString swDefault;
    if (IsExpandedParamKnown(newParams[2]))
      swDefault = pRuntime->ToWideString(newParams[2]);
  
    bool bPassword = false;
    if (IsExpandedParamKnown(newParams[3]))
      bPassword = pRuntime->ToBoolean(newParams[3]);
  
    WideString swLabel;
    if (IsExpandedParamKnown(newParams[4]))
      swLabel = pRuntime->ToWideString(newParams[4]);
  
    const int MAX_INPUT_BYTES = 2048;
    std::vector<uint8_t> pBuff(MAX_INPUT_BYTES + 2);
    int nLengthBytes = pRuntime->GetFormFillEnv()->JS_appResponse(
        swQuestion, swTitle, swDefault, swLabel, bPassword, pBuff.data(),
        MAX_INPUT_BYTES);
  
    if (nLengthBytes < 0 || nLengthBytes > MAX_INPUT_BYTES)
      return CJS_Result::Failure(JSMessage::kParamTooLongError);
  
    return CJS_Result::Success(pRuntime->NewString(
        WideString::FromUTF16LE(reinterpret_cast<uint16_t*>(pBuff.data()),
                                nLengthBytes / sizeof(uint16_t))
            .AsStringView()));
  }
  
  CJS_Result CJS_App::get_media(CJS_Runtime* pRuntime) {
    return CJS_Result::Failure(JSMessage::kNotSupportedError);
  }
  
  CJS_Result CJS_App::set_media(CJS_Runtime* pRuntime, v8::Local<v8::Value> vp) {
    return CJS_Result::Failure(JSMessage::kNotSupportedError);
  }
  
  CJS_Result CJS_App::execDialog(
      CJS_Runtime* pRuntime,
      const std::vector<v8::Local<v8::Value>>& params) {
    return CJS_Result::Success();
  }
  