Move fpdfsdk/javascript to fxjs/

This CL moves all of the CJS files into fxjs. The :javascript build rule
is removed and :fxjs is used instead.

Change-Id: I1701b308f51317d0346c7401b43812c3f43a27bf
Reviewed-on: https://pdfium-review.googlesource.com/17047
Commit-Queue: dsinclair <dsinclair@chromium.org>
Reviewed-by: Tom Sepez <tsepez@chromium.org>

1 files changed, 292 insertions, 0 deletions

diff --git a/fxjs/cjs_runtime.cpp b/fxjs/cjs_runtime.cpp
new file mode 100644
index 0000000000..6043debc44
--- /dev/null
+++ b/fxjs/cjs_runtime.cpp
@@ -0,0 +1,292 @@
+// 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_runtime.h"
+
+#include <algorithm>
+
+#include "fpdfsdk/cpdfsdk_formfillenvironment.h"
+#include "fxjs/JS_Define.h"
+#include "fxjs/JS_GlobalData.h"
+#include "fxjs/cjs_annot.h"
+#include "fxjs/cjs_app.h"
+#include "fxjs/cjs_border.h"
+#include "fxjs/cjs_color.h"
+#include "fxjs/cjs_console.h"
+#include "fxjs/cjs_display.h"
+#include "fxjs/cjs_document.h"
+#include "fxjs/cjs_event.h"
+#include "fxjs/cjs_event_context.h"
+#include "fxjs/cjs_eventhandler.h"
+#include "fxjs/cjs_field.h"
+#include "fxjs/cjs_font.h"
+#include "fxjs/cjs_global.h"
+#include "fxjs/cjs_globalarrays.h"
+#include "fxjs/cjs_globalconsts.h"
+#include "fxjs/cjs_highlight.h"
+#include "fxjs/cjs_icon.h"
+#include "fxjs/cjs_object.h"
+#include "fxjs/cjs_position.h"
+#include "fxjs/cjs_printparamsobj.h"
+#include "fxjs/cjs_publicmethods.h"
+#include "fxjs/cjs_report.h"
+#include "fxjs/cjs_scalehow.h"
+#include "fxjs/cjs_scalewhen.h"
+#include "fxjs/cjs_style.h"
+#include "fxjs/cjs_timerobj.h"
+#include "fxjs/cjs_util.h"
+#include "fxjs/cjs_zoomtype.h"
+#include "public/fpdf_formfill.h"
+#include "third_party/base/stl_util.h"
+
+#ifdef PDF_ENABLE_XFA
+#include "fxjs/cfxjse_value.h"
+#endif  // PDF_ENABLE_XFA
+
+// static
+void IJS_Runtime::Initialize(unsigned int slot, void* isolate) {
+  FXJS_Initialize(slot, reinterpret_cast<v8::Isolate*>(isolate));
+}
+
+// static
+void IJS_Runtime::Destroy() {
+  FXJS_Release();
+}
+
+// static
+IJS_Runtime* IJS_Runtime::Create(CPDFSDK_FormFillEnvironment* pFormFillEnv) {
+  return new CJS_Runtime(pFormFillEnv);
+}
+
+// static
+CJS_Runtime* CJS_Runtime::CurrentRuntimeFromIsolate(v8::Isolate* pIsolate) {
+  return static_cast<CJS_Runtime*>(
+      CFXJS_Engine::CurrentEngineFromIsolate(pIsolate));
+}
+
+CJS_Runtime::CJS_Runtime(CPDFSDK_FormFillEnvironment* pFormFillEnv)
+    : m_pFormFillEnv(pFormFillEnv),
+      m_bBlocking(false),
+      m_isolateManaged(false) {
+  v8::Isolate* pIsolate = nullptr;
+
+  IPDF_JSPLATFORM* pPlatform = m_pFormFillEnv->GetFormFillInfo()->m_pJsPlatform;
+  if (pPlatform->version <= 2) {
+    unsigned int embedderDataSlot = 0;
+    v8::Isolate* pExternalIsolate = nullptr;
+    if (pPlatform->version == 2) {
+      pExternalIsolate = reinterpret_cast<v8::Isolate*>(pPlatform->m_isolate);
+      embedderDataSlot = pPlatform->m_v8EmbedderSlot;
+    }
+    FXJS_Initialize(embedderDataSlot, pExternalIsolate);
+  }
+  m_isolateManaged = FXJS_GetIsolate(&pIsolate);
+  SetIsolate(pIsolate);
+
+#ifdef PDF_ENABLE_XFA
+  v8::Isolate::Scope isolate_scope(pIsolate);
+  v8::HandleScope handle_scope(pIsolate);
+#endif
+
+  if (m_isolateManaged || FXJS_GlobalIsolateRefCount() == 0)
+    DefineJSObjects();
+
+  IJS_EventContext* pContext = NewEventContext();
+  InitializeEngine();
+  ReleaseEventContext(pContext);
+  SetFormFillEnvToDocument();
+}
+
+CJS_Runtime::~CJS_Runtime() {
+  NotifyObservedPtrs();
+  ReleaseEngine();
+  if (m_isolateManaged) {
+    GetIsolate()->Dispose();
+    SetIsolate(nullptr);
+  }
+}
+
+void CJS_Runtime::DefineJSObjects() {
+  v8::Isolate::Scope isolate_scope(GetIsolate());
+  v8::HandleScope handle_scope(GetIsolate());
+  v8::Local<v8::Context> context = v8::Context::New(GetIsolate());
+  v8::Context::Scope context_scope(context);
+
+  // The call order determines the "ObjDefID" assigned to each class.
+  // ObjDefIDs 0 - 2
+  CJS_Border::DefineJSObjects(this);
+  CJS_Display::DefineJSObjects(this);
+  CJS_Font::DefineJSObjects(this);
+
+  // ObjDefIDs 3 - 5
+  CJS_Highlight::DefineJSObjects(this);
+  CJS_Position::DefineJSObjects(this);
+  CJS_ScaleHow::DefineJSObjects(this);
+
+  // ObjDefIDs 6 - 8
+  CJS_ScaleWhen::DefineJSObjects(this);
+  CJS_Style::DefineJSObjects(this);
+  CJS_Zoomtype::DefineJSObjects(this);
+
+  // ObjDefIDs 9 - 11
+  CJS_App::DefineJSObjects(this);
+  CJS_Color::DefineJSObjects(this);
+  CJS_Console::DefineJSObjects(this);
+
+  // ObjDefIDs 12 - 14
+  CJS_Document::DefineJSObjects(this);
+  CJS_Event::DefineJSObjects(this);
+  CJS_Field::DefineJSObjects(this);
+
+  // ObjDefIDs 15 - 17
+  CJS_Global::DefineJSObjects(this);
+  CJS_Icon::DefineJSObjects(this);
+  CJS_Util::DefineJSObjects(this);
+
+  // ObjDefIDs 18 - 20 (these can't fail, return void).
+  CJS_PublicMethods::DefineJSObjects(this);
+  CJS_GlobalConsts::DefineJSObjects(this);
+  CJS_GlobalArrays::DefineJSObjects(this);
+
+  // ObjDefIDs 21 - 23.
+  CJS_TimerObj::DefineJSObjects(this);
+  CJS_PrintParamsObj::DefineJSObjects(this);
+  CJS_Annot::DefineJSObjects(this);
+}
+
+IJS_EventContext* CJS_Runtime::NewEventContext() {
+  m_EventContextArray.push_back(pdfium::MakeUnique<CJS_EventContext>(this));
+  return m_EventContextArray.back().get();
+}
+
+void CJS_Runtime::ReleaseEventContext(IJS_EventContext* pContext) {
+  auto it = std::find(m_EventContextArray.begin(), m_EventContextArray.end(),
+                      pdfium::FakeUniquePtr<CJS_EventContext>(
+                          static_cast<CJS_EventContext*>(pContext)));
+  if (it != m_EventContextArray.end())
+    m_EventContextArray.erase(it);
+}
+
+CJS_EventContext* CJS_Runtime::GetCurrentEventContext() const {
+  return m_EventContextArray.empty() ? nullptr
+                                     : m_EventContextArray.back().get();
+}
+
+void CJS_Runtime::SetFormFillEnvToDocument() {
+  v8::Isolate::Scope isolate_scope(GetIsolate());
+  v8::HandleScope handle_scope(GetIsolate());
+  v8::Local<v8::Context> context = NewLocalContext();
+  v8::Context::Scope context_scope(context);
+
+  v8::Local<v8::Object> pThis = GetThisObj();
+  if (pThis.IsEmpty())
+    return;
+
+  if (CFXJS_Engine::GetObjDefnID(pThis) != CJS_Document::GetObjDefnID())
+    return;
+
+  CJS_Document* pJSDocument =
+      static_cast<CJS_Document*>(GetObjectPrivate(pThis));
+  if (!pJSDocument)
+    return;
+
+  Document* pDocument = static_cast<Document*>(pJSDocument->GetEmbedObject());
+  if (!pDocument)
+    return;
+
+  pDocument->SetFormFillEnv(m_pFormFillEnv.Get());
+}
+
+CPDFSDK_FormFillEnvironment* CJS_Runtime::GetFormFillEnv() const {
+  return m_pFormFillEnv.Get();
+}
+
+int CJS_Runtime::ExecuteScript(const WideString& script, WideString* info) {
+  FXJSErr error = {};
+  int nRet = Execute(script, &error);
+  if (nRet < 0) {
+    info->Format(L"[ Line: %05d { %s } ] : %s", error.linnum - 1, error.srcline,
+                 error.message);
+  }
+  return nRet;
+}
+
+bool CJS_Runtime::AddEventToSet(const FieldEvent& event) {
+  return m_FieldEventSet.insert(event).second;
+}
+
+void CJS_Runtime::RemoveEventFromSet(const FieldEvent& event) {
+  m_FieldEventSet.erase(event);
+}
+
+#ifdef PDF_ENABLE_XFA
+WideString ChangeObjName(const WideString& str) {
+  WideString sRet = str;
+  sRet.Replace(L"_", L".");
+  return sRet;
+}
+
+bool CJS_Runtime::GetValueByName(const ByteStringView& utf8Name,
+                                 CFXJSE_Value* pValue) {
+  v8::Isolate::Scope isolate_scope(GetIsolate());
+  v8::HandleScope handle_scope(GetIsolate());
+  v8::Local<v8::Context> context = NewLocalContext();
+  v8::Context::Scope context_scope(context);
+  v8::Local<v8::Value> propvalue = context->Global()->Get(
+      v8::String::NewFromUtf8(GetIsolate(), utf8Name.unterminated_c_str(),
+                              v8::String::kNormalString, utf8Name.GetLength()));
+  if (propvalue.IsEmpty()) {
+    pValue->SetUndefined();
+    return false;
+  }
+  pValue->ForceSetValue(propvalue);
+  return true;
+}
+
+bool CJS_Runtime::SetValueByName(const ByteStringView& utf8Name,
+                                 CFXJSE_Value* pValue) {
+  if (utf8Name.IsEmpty() || !pValue)
+    return false;
+
+  v8::Isolate* pIsolate = GetIsolate();
+  v8::Isolate::Scope isolate_scope(pIsolate);
+  v8::HandleScope handle_scope(pIsolate);
+  v8::Local<v8::Context> context = NewLocalContext();
+  v8::Context::Scope context_scope(context);
+  v8::Local<v8::Value> propvalue =
+      v8::Local<v8::Value>::New(GetIsolate(), pValue->DirectGetValue());
+  context->Global()->Set(
+      v8::String::NewFromUtf8(pIsolate, utf8Name.unterminated_c_str(),
+                              v8::String::kNormalString, utf8Name.GetLength()),
+      propvalue);
+  return true;
+}
+#endif
+
+v8::Local<v8::Value> CJS_Runtime::MaybeCoerceToNumber(
+    v8::Local<v8::Value> value) {
+  bool bAllowNaN = false;
+  if (value->IsString()) {
+    ByteString bstr = ByteString::FromUnicode(ToWideString(value));
+    if (bstr.GetLength() == 0)
+      return value;
+    if (bstr == "NaN")
+      bAllowNaN = true;
+  }
+
+  v8::Isolate* pIsolate = GetIsolate();
+  v8::TryCatch try_catch(pIsolate);
+  v8::MaybeLocal<v8::Number> maybeNum =
+      value->ToNumber(pIsolate->GetCurrentContext());
+  if (maybeNum.IsEmpty())
+    return value;
+
+  v8::Local<v8::Number> num = maybeNum.ToLocalChecked();
+  if (std::isnan(num->Value()) && !bAllowNaN)
+    return value;
+
+  return num;
+}