Move the fpdfsdk/include/javascript folder

This CL splits the IJavaScript.h file into the two inner classes and puts them
in the fpdfsdk/javascript folder.

Review URL: https://codereview.chromium.org/1847583004

1 files changed, 333 insertions, 0 deletions

diff --git a/fpdfsdk/javascript/cjs_runtime.cpp b/fpdfsdk/javascript/cjs_runtime.cpp
new file mode 100644
index 0000000000..9c616e6c0e
--- /dev/null
+++ b/fpdfsdk/javascript/cjs_runtime.cpp
@@ -0,0 +1,333 @@
+// 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 "fpdfsdk/javascript/cjs_runtime.h"
+
+#include <algorithm>
+
+#include "fpdfsdk/include/fsdk_mgr.h"
+#include "fpdfsdk/javascript/Consts.h"
+#include "fpdfsdk/javascript/Document.h"
+#include "fpdfsdk/javascript/Field.h"
+#include "fpdfsdk/javascript/Icon.h"
+#include "fpdfsdk/javascript/cjs_context.h"
+#include "fpdfsdk/javascript/JS_Define.h"
+#include "fpdfsdk/javascript/JS_EventHandler.h"
+#include "fpdfsdk/javascript/JS_GlobalData.h"
+#include "fpdfsdk/javascript/JS_Object.h"
+#include "fpdfsdk/javascript/JS_Value.h"
+#include "fpdfsdk/javascript/PublicMethods.h"
+#include "fpdfsdk/javascript/app.h"
+#include "fpdfsdk/javascript/color.h"
+#include "fpdfsdk/javascript/console.h"
+#include "fpdfsdk/javascript/event.h"
+#include "fpdfsdk/javascript/global.h"
+#include "fpdfsdk/javascript/report.h"
+#include "fpdfsdk/javascript/util.h"
+#include "third_party/base/stl_util.h"
+
+#ifdef PDF_ENABLE_XFA
+#include "fpdfsdk/include/fpdfxfa/fpdfxfa_app.h"
+#include "xfa/fxjse/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
+IJS_Runtime* IJS_Runtime::Create(CPDFDoc_Environment* pEnv) {
+  return new CJS_Runtime(pEnv);
+}
+
+// static
+CJS_Runtime* CJS_Runtime::FromContext(const IJS_Context* cc) {
+  const CJS_Context* pContext = static_cast<const CJS_Context*>(cc);
+  return pContext->GetJSRuntime();
+}
+
+CJS_Runtime::CJS_Runtime(CPDFDoc_Environment* pApp)
+    : m_pApp(pApp),
+      m_pDocument(NULL),
+      m_bBlocking(FALSE),
+      m_isolate(NULL),
+      m_isolateManaged(false) {
+#ifndef PDF_ENABLE_XFA
+  IPDF_JSPLATFORM* pPlatform = m_pApp->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;
+#else
+  if (CPDFXFA_App::GetInstance()->GetJSERuntime()) {
+    // TODO(tsepez): CPDFXFA_App should also use the embedder provided isolate.
+    m_isolate = (v8::Isolate*)CPDFXFA_App::GetInstance()->GetJSERuntime();
+  } else {
+    IPDF_JSPLATFORM* pPlatform = m_pApp->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);
+#endif
+    }
+#ifndef PDF_ENABLE_XFA
+    FXJS_Initialize(embedderDataSlot, pExternalIsolate);
+#else
+    m_isolateManaged = FXJS_GetIsolate(&m_isolate);
+  }
+
+  v8::Isolate* isolate = m_isolate;
+  v8::Isolate::Scope isolate_scope(isolate);
+  v8::Locker locker(isolate);
+  v8::HandleScope handle_scope(isolate);
+  if (CPDFXFA_App::GetInstance()->IsJavaScriptInitialized()) {
+    CJS_Context* pContext = (CJS_Context*)NewContext();
+    FXJS_InitializeRuntime(GetIsolate(), this, &m_context, &m_StaticObjects);
+    ReleaseContext(pContext);
+    return;
+#endif
+  }
+#ifndef PDF_ENABLE_XFA
+  m_isolateManaged = FXJS_GetIsolate(&m_isolate);
+#else
+
+#endif
+  if (m_isolateManaged || FXJS_GlobalIsolateRefCount() == 0)
+    DefineJSObjects();
+
+#ifdef PDF_ENABLE_XFA
+  CPDFXFA_App::GetInstance()->SetJavaScriptInitialized(TRUE);
+
+#endif
+  CJS_Context* pContext = (CJS_Context*)NewContext();
+  FXJS_InitializeRuntime(GetIsolate(), this, &m_context, &m_StaticObjects);
+  ReleaseContext(pContext);
+}
+
+CJS_Runtime::~CJS_Runtime() {
+  for (auto* obs : m_observers)
+    obs->OnDestroyed();
+
+  m_ContextArray.clear();
+  m_ConstArrays.clear();
+  FXJS_ReleaseRuntime(GetIsolate(), &m_context, &m_StaticObjects);
+  m_context.Reset();
+  if (m_isolateManaged)
+    m_isolate->Dispose();
+}
+
+void CJS_Runtime::DefineJSObjects() {
+  v8::Isolate::Scope isolate_scope(GetIsolate());
+#ifdef PDF_ENABLE_XFA
+  v8::Locker locker(GetIsolate());
+#endif
+  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(GetIsolate(), FXJSOBJTYPE_STATIC);
+  CJS_Display::DefineJSObjects(GetIsolate(), FXJSOBJTYPE_STATIC);
+  CJS_Font::DefineJSObjects(GetIsolate(), FXJSOBJTYPE_STATIC);
+
+  // ObjDefIDs 3 - 5
+  CJS_Highlight::DefineJSObjects(GetIsolate(), FXJSOBJTYPE_STATIC);
+  CJS_Position::DefineJSObjects(GetIsolate(), FXJSOBJTYPE_STATIC);
+  CJS_ScaleHow::DefineJSObjects(GetIsolate(), FXJSOBJTYPE_STATIC);
+
+  // ObjDefIDs 6 - 8
+  CJS_ScaleWhen::DefineJSObjects(GetIsolate(), FXJSOBJTYPE_STATIC);
+  CJS_Style::DefineJSObjects(GetIsolate(), FXJSOBJTYPE_STATIC);
+  CJS_Zoomtype::DefineJSObjects(GetIsolate(), FXJSOBJTYPE_STATIC);
+
+  // ObjDefIDs 9 - 11
+  CJS_App::DefineJSObjects(GetIsolate(), FXJSOBJTYPE_STATIC);
+  CJS_Color::DefineJSObjects(GetIsolate(), FXJSOBJTYPE_STATIC);
+  CJS_Console::DefineJSObjects(GetIsolate(), FXJSOBJTYPE_STATIC);
+
+  // ObjDefIDs 12 - 14
+  CJS_Document::DefineJSObjects(GetIsolate(), FXJSOBJTYPE_GLOBAL);
+  CJS_Event::DefineJSObjects(GetIsolate(), FXJSOBJTYPE_STATIC);
+  CJS_Field::DefineJSObjects(GetIsolate(), FXJSOBJTYPE_DYNAMIC);
+
+  // ObjDefIDs 15 - 17
+  CJS_Global::DefineJSObjects(GetIsolate(), FXJSOBJTYPE_STATIC);
+  CJS_Icon::DefineJSObjects(GetIsolate(), FXJSOBJTYPE_DYNAMIC);
+  CJS_Util::DefineJSObjects(GetIsolate(), FXJSOBJTYPE_STATIC);
+
+  // ObjDefIDs 18 - 20 (these can't fail, return void).
+  CJS_PublicMethods::DefineJSObjects(GetIsolate());
+  CJS_GlobalConsts::DefineJSObjects(this);
+  CJS_GlobalArrays::DefineJSObjects(this);
+
+  // ObjDefIDs 21 - 22.
+  CJS_TimerObj::DefineJSObjects(GetIsolate(), FXJSOBJTYPE_DYNAMIC);
+  CJS_PrintParamsObj::DefineJSObjects(GetIsolate(), FXJSOBJTYPE_DYNAMIC);
+}
+
+IJS_Context* CJS_Runtime::NewContext() {
+  m_ContextArray.push_back(std::unique_ptr<CJS_Context>(new CJS_Context(this)));
+  return m_ContextArray.back().get();
+}
+
+void CJS_Runtime::ReleaseContext(IJS_Context* pContext) {
+  for (auto it = m_ContextArray.begin(); it != m_ContextArray.end(); ++it) {
+    if (it->get() == static_cast<CJS_Context*>(pContext)) {
+      m_ContextArray.erase(it);
+      return;
+    }
+  }
+}
+
+IJS_Context* CJS_Runtime::GetCurrentContext() {
+  return m_ContextArray.empty() ? nullptr : m_ContextArray.back().get();
+}
+
+void CJS_Runtime::SetReaderDocument(CPDFSDK_Document* pReaderDoc) {
+  if (m_pDocument != pReaderDoc) {
+    v8::Isolate::Scope isolate_scope(m_isolate);
+#ifdef PDF_ENABLE_XFA
+    v8::Locker locker(m_isolate);
+#endif
+    v8::HandleScope handle_scope(m_isolate);
+    v8::Local<v8::Context> context =
+        v8::Local<v8::Context>::New(m_isolate, m_context);
+    v8::Context::Scope context_scope(context);
+
+    m_pDocument = pReaderDoc;
+    if (pReaderDoc) {
+      v8::Local<v8::Object> pThis = FXJS_GetThisObj(GetIsolate());
+      if (!pThis.IsEmpty()) {
+        if (FXJS_GetObjDefnID(pThis) == CJS_Document::g_nObjDefnID) {
+          if (CJS_Document* pJSDocument =
+                  (CJS_Document*)FXJS_GetPrivate(GetIsolate(), pThis)) {
+            if (Document* pDocument = (Document*)pJSDocument->GetEmbedObject())
+              pDocument->AttachDoc(pReaderDoc);
+          }
+        }
+      }
+    }
+  }
+}
+
+int CJS_Runtime::Execute(IJS_Context* cc,
+                         const wchar_t* script,
+                         CFX_WideString* info) {
+  FXJSErr error = {};
+  int nRet = FXJS_Execute(m_isolate, cc, 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);
+}
+
+v8::Local<v8::Context> CJS_Runtime::NewJSContext() {
+  return v8::Local<v8::Context>::New(m_isolate, m_context);
+}
+
+void CJS_Runtime::SetConstArray(const CFX_WideString& name,
+                                v8::Local<v8::Array> array) {
+  m_ConstArrays[name] = v8::Global<v8::Array>(m_isolate, array);
+}
+
+v8::Local<v8::Array> CJS_Runtime::GetConstArray(const CFX_WideString& name) {
+  return v8::Local<v8::Array>::New(m_isolate, m_ConstArrays[name]);
+}
+
+#ifdef PDF_ENABLE_XFA
+CFX_WideString ChangeObjName(const CFX_WideString& str) {
+  CFX_WideString sRet = str;
+  sRet.Replace(L"_", L".");
+  return sRet;
+}
+FX_BOOL CJS_Runtime::GetHValueByName(const CFX_ByteStringC& utf8Name,
+                                     FXJSE_HVALUE hValue) {
+#ifdef PDF_ENABLE_XFA
+  const FX_CHAR* name = utf8Name.GetCStr();
+
+  v8::Locker lock(GetIsolate());
+  v8::Isolate::Scope isolate_scope(GetIsolate());
+  v8::HandleScope handle_scope(GetIsolate());
+  v8::Local<v8::Context> old_context = GetIsolate()->GetCurrentContext();
+  v8::Local<v8::Context> context =
+      v8::Local<v8::Context>::New(GetIsolate(), m_context);
+  v8::Context::Scope context_scope(context);
+
+  // Caution: We're about to hand to XFA an object that in order to invoke
+  // methods will require that the current v8::Context always has a pointer
+  // to a CJS_Runtime in its embedder data slot. Unfortunately, XFA creates
+  // its own v8::Context which has not initialized the embedder data slot.
+  // Do so now.
+  // TODO(tsepez): redesign PDF-side objects to not rely on v8::Context's
+  // embedder data slots, and/or to always use the right context.
+  FXJS_SetRuntimeForV8Context(old_context, this);
+
+  v8::Local<v8::Value> propvalue =
+      context->Global()->Get(v8::String::NewFromUtf8(
+          GetIsolate(), name, v8::String::kNormalString, utf8Name.GetLength()));
+
+  if (propvalue.IsEmpty()) {
+    FXJSE_Value_SetUndefined(hValue);
+    return FALSE;
+  }
+  ((CFXJSE_Value*)hValue)->ForceSetValue(propvalue);
+#endif
+
+  return TRUE;
+}
+FX_BOOL CJS_Runtime::SetHValueByName(const CFX_ByteStringC& utf8Name,
+                                     FXJSE_HVALUE hValue) {
+#ifdef PDF_ENABLE_XFA
+  if (utf8Name.IsEmpty() || hValue == NULL)
+    return FALSE;
+  const FX_CHAR* name = utf8Name.GetCStr();
+  v8::Isolate* pIsolate = GetIsolate();
+  v8::Locker lock(pIsolate);
+  v8::Isolate::Scope isolate_scope(pIsolate);
+  v8::HandleScope handle_scope(pIsolate);
+  v8::Local<v8::Context> context =
+      v8::Local<v8::Context>::New(pIsolate, m_context);
+  v8::Context::Scope context_scope(context);
+
+  // v8::Local<v8::Context> tmpCotext =
+  // v8::Local<v8::Context>::New(GetIsolate(), m_context);
+  v8::Local<v8::Value> propvalue = v8::Local<v8::Value>::New(
+      GetIsolate(), ((CFXJSE_Value*)hValue)->DirectGetValue());
+  context->Global()->Set(
+      v8::String::NewFromUtf8(pIsolate, name, v8::String::kNormalString,
+                              utf8Name.GetLength()),
+      propvalue);
+#endif
+  return TRUE;
+}
+
+#endif
+void CJS_Runtime::AddObserver(Observer* observer) {
+  ASSERT(!pdfium::ContainsKey(m_observers, observer));
+  m_observers.insert(observer);
+}
+
+void CJS_Runtime::RemoveObserver(Observer* observer) {
+  ASSERT(pdfium::ContainsKey(m_observers, observer));
+  m_observers.erase(observer);
+}