Pass v8::Isolate to PDFium at init time.
[pdfium.git] / fpdfsdk / src / javascript / JS_Runtime.cpp
index 31d61e3..5c463ce 100644 (file)
@@ -1,7 +1,7 @@
 // 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 "../../include/javascript/JavaScript.h"
 #include "../../include/javascript/global.h"
 #include "../../include/javascript/console.h"
 
-CJS_RuntimeFactory::~CJS_RuntimeFactory()
-{
-}
-
-IFXJS_Runtime*                                 CJS_RuntimeFactory::NewJSRuntime(CPDFDoc_Environment* pApp)
-{
-       if (!m_bInit)
-       {
-               JS_Initial();
-               m_bInit = TRUE;
-       }
-       return new CJS_Runtime(pApp);
-}
-void                                                   CJS_RuntimeFactory::AddRef()
-{
-       //to do.Should be implemented as atom manipulation.
-       m_nRef++;
-}
-void                                                   CJS_RuntimeFactory::Release()
-{      
-       if(m_bInit)
-       {
-               //to do.Should be implemented as atom manipulation.
-               if (--m_nRef == 0)
-               {
-                       JS_Release();
-                       ReleaseGlobalData();
-                       m_bInit = FALSE;
-               }
-       }
-}
-
-void                                                   CJS_RuntimeFactory::DeleteJSRuntime(IFXJS_Runtime* pRuntime)
-{
-       if(pRuntime)
-               delete (CJS_Runtime*)pRuntime;
-}
-
-CJS_GlobalData*        CJS_RuntimeFactory::NewGlobalData(CPDFDoc_Environment* pApp)
-{
-       if (m_pGlobalData)
-       {
-               m_nGlobalDataCount++;
-               return m_pGlobalData;
-       }
-       else
-       {
-               m_nGlobalDataCount = 1;
-               m_pGlobalData = new CJS_GlobalData(pApp);
-               return m_pGlobalData;
-       }
-}
-
-void CJS_RuntimeFactory::ReleaseGlobalData()
-{
-       m_nGlobalDataCount--;
-       
-       if (m_nGlobalDataCount <= 0)
-       {
-               delete m_pGlobalData;
-               m_pGlobalData = NULL;
-       }
-}
-
-void* CJS_ArrayBufferAllocator::Allocate(size_t length) {
-    return calloc(1, length);
-}
-
-void* CJS_ArrayBufferAllocator::AllocateUninitialized(size_t length) {
-    return malloc(length);
-}
-
-void CJS_ArrayBufferAllocator::Free(void* data, size_t length) {
-    free(data);
-}
-
 /* ------------------------------ CJS_Runtime ------------------------------ */
 
-CJS_Runtime::CJS_Runtime(CPDFDoc_Environment * pApp) : 
-       m_pApp(pApp),
-       m_pDocument(NULL),
-       m_bBlocking(FALSE),
-       m_bRegistered(FALSE),
-       m_pFieldEventPath(NULL)
-{
-       m_pArrayBufferAllocator.reset(new CJS_ArrayBufferAllocator());
-
-       v8::Isolate::CreateParams params;
-       params.array_buffer_allocator = m_pArrayBufferAllocator.get();
-       m_isolate = v8::Isolate::New(params);
+CJS_Runtime::CJS_Runtime(CPDFDoc_Environment* pApp)
+    : m_pApp(pApp),
+      m_pDocument(NULL),
+      m_bBlocking(FALSE),
+      m_isolate(NULL),
+      m_isolateManaged(false) {
+  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);
+  }
+  m_isolateManaged = FXJS_GetIsolate(&m_isolate);
+  DefineJSObjects();
+
+  CJS_Context* pContext = (CJS_Context*)NewContext();
+  FXJS_InitializeRuntime(GetIsolate(), this, pContext, m_context);
+  ReleaseContext(pContext);
+}
+
+CJS_Runtime::~CJS_Runtime() {
+  for (int i = 0, sz = m_ContextArray.GetSize(); i < sz; i++)
+    delete m_ContextArray.GetAt(i);
+
+  m_ContextArray.RemoveAll();
+  FXJS_ReleaseRuntime(GetIsolate(), m_context);
+
+  m_pApp = NULL;
+  m_pDocument = NULL;
+  m_context.Reset();
+
+  if (m_isolateManaged)
+    m_isolate->Dispose();
+}
+
+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(GetIsolate(), FXJS_STATIC);
+  CJS_Display::DefineJSObjects(GetIsolate(), FXJS_STATIC);
+  CJS_Font::DefineJSObjects(GetIsolate(), FXJS_STATIC);
+
+  // ObjDefIDs 3 - 5
+  CJS_Highlight::DefineJSObjects(GetIsolate(), FXJS_STATIC);
+  CJS_Position::DefineJSObjects(GetIsolate(), FXJS_STATIC);
+  CJS_ScaleHow::DefineJSObjects(GetIsolate(), FXJS_STATIC);
+
+  // ObjDefIDs 6 - 8
+  CJS_ScaleWhen::DefineJSObjects(GetIsolate(), FXJS_STATIC);
+  CJS_Style::DefineJSObjects(GetIsolate(), FXJS_STATIC);
+  CJS_Zoomtype::DefineJSObjects(GetIsolate(), FXJS_STATIC);
+
+  // ObjDefIDs 9 - 11
+  CJS_App::DefineJSObjects(GetIsolate(), FXJS_STATIC);
+  CJS_Color::DefineJSObjects(GetIsolate(), FXJS_STATIC);
+  CJS_Console::DefineJSObjects(GetIsolate(), FXJS_STATIC);
+
+  // ObjDefIDs 12 - 14
+  CJS_Document::DefineJSObjects(GetIsolate(), FXJS_DYNAMIC);
+  CJS_Event::DefineJSObjects(GetIsolate(), FXJS_STATIC);
+  CJS_Field::DefineJSObjects(GetIsolate(), FXJS_DYNAMIC);
+
+  // ObjDefIDs 15 - 17
+  CJS_Global::DefineJSObjects(GetIsolate(), FXJS_STATIC);
+  CJS_Icon::DefineJSObjects(GetIsolate(), FXJS_DYNAMIC);
+  CJS_Util::DefineJSObjects(GetIsolate(), FXJS_STATIC);
+
+  // ObjDefIDs 18 - 20 (these can't fail, return void).
+  CJS_PublicMethods::DefineJSObjects(GetIsolate());
+  CJS_GlobalConsts::DefineJSObjects(GetIsolate());
+  CJS_GlobalArrays::DefineJSObjects(GetIsolate());
+
+  // ObjDefIDs 21 - 22.
+  CJS_TimerObj::DefineJSObjects(GetIsolate(), FXJS_DYNAMIC);
+  CJS_PrintParamsObj::DefineJSObjects(GetIsolate(), FXJS_DYNAMIC);
+}
+
+IFXJS_Context* CJS_Runtime::NewContext() {
+  CJS_Context* p = new CJS_Context(this);
+  m_ContextArray.Add(p);
+  return p;
+}
+
+void CJS_Runtime::ReleaseContext(IFXJS_Context* pContext) {
+  CJS_Context* pJSContext = (CJS_Context*)pContext;
+
+  for (int i = 0, sz = m_ContextArray.GetSize(); i < sz; i++) {
+    if (pJSContext == m_ContextArray.GetAt(i)) {
+      delete pJSContext;
+      m_ContextArray.RemoveAt(i);
+      break;
+    }
+  }
+}
+
+IFXJS_Context* CJS_Runtime::GetCurrentContext() {
+  if (!m_ContextArray.GetSize())
+    return NULL;
+  return m_ContextArray.GetAt(m_ContextArray.GetSize() - 1);
+}
+
+void CJS_Runtime::SetReaderDocument(CPDFSDK_Document* pReaderDoc) {
+  if (m_pDocument != pReaderDoc) {
+    v8::Isolate::Scope isolate_scope(m_isolate);
+    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);
 
-       InitJSObjects();
-
-       CJS_Context * pContext = (CJS_Context*)NewContext();
-       JS_InitialRuntime(*this, this, pContext, m_context);
-       ReleaseContext(pContext);
+    m_pDocument = pReaderDoc;
+    if (pReaderDoc) {
+      v8::Local<v8::Object> pThis = FXJS_GetThisObj(GetIsolate());
+      if (!pThis.IsEmpty()) {
+        if (FXJS_GetObjDefnID(pThis) ==
+            FXJS_GetObjDefnID(GetIsolate(), L"Document")) {
+          if (CJS_Document* pJSDocument =
+                  (CJS_Document*)FXJS_GetPrivate(GetIsolate(), pThis)) {
+            if (Document* pDocument = (Document*)pJSDocument->GetEmbedObject())
+              pDocument->AttachDoc(pReaderDoc);
+          }
+        }
+      }
+    }
+  }
 }
 
-CJS_Runtime::~CJS_Runtime()
-{
-       for (int i=0, sz=m_ContextArray.GetSize(); i<sz; i++)
-               delete m_ContextArray.GetAt(i);
-
-       m_ContextArray.RemoveAll();
-
-       JS_ReleaseRuntime(*this, m_context);
-
-       RemoveEventsInLoop(m_pFieldEventPath);
-
-       m_pApp = NULL;
-       m_pDocument = NULL;
-       m_pFieldEventPath = NULL;
-       m_context.Reset();
-
-       //m_isolate->Exit();
-       m_isolate->Dispose();
-}
-
-FX_BOOL CJS_Runtime::InitJSObjects()
-{
-       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);
-       //0 - 8
-       if (CJS_Border::Init(*this, JS_STATIC) < 0) return FALSE;
-       if (CJS_Display::Init(*this, JS_STATIC) < 0) return FALSE;
-       if (CJS_Font::Init(*this, JS_STATIC) < 0) return FALSE;
-       if (CJS_Highlight::Init(*this, JS_STATIC) < 0) return FALSE;
-       if (CJS_Position::Init(*this, JS_STATIC) < 0) return FALSE;
-       if (CJS_ScaleHow::Init(*this, JS_STATIC) < 0) return FALSE;
-       if (CJS_ScaleWhen::Init(*this, JS_STATIC) < 0) return FALSE;
-       if (CJS_Style::Init(*this, JS_STATIC) < 0) return FALSE;        
-       if (CJS_Zoomtype::Init(*this, JS_STATIC) < 0) return FALSE;     
-
-       //9 - 11
-       if (CJS_App::Init(*this, JS_STATIC) < 0) return FALSE;
-       if (CJS_Color::Init(*this, JS_STATIC) < 0) return FALSE;   
-       if (CJS_Console::Init(*this, JS_STATIC) < 0) return FALSE;
-
-       //12 - 14
-       if (CJS_Document::Init(*this, JS_DYNAMIC) < 0) return FALSE;  
-       if (CJS_Event::Init(*this, JS_STATIC) < 0) return FALSE;                
-       if (CJS_Field::Init(*this, JS_DYNAMIC) < 0) return FALSE;    
-
-       //15 - 17
-       if (CJS_Global::Init(*this, JS_STATIC) < 0) return FALSE;               
-       if (CJS_Icon::Init(*this, JS_DYNAMIC) < 0) return FALSE;
-       if (CJS_Util::Init(*this, JS_STATIC) < 0) return FALSE;
-
-       if (CJS_PublicMethods::Init(*this) < 0) return FALSE;
-       if (CJS_GlobalConsts::Init(*this) < 0) return FALSE;
-       if (CJS_GlobalArrays::Init(*this) < 0) return FALSE;
-
-       if (CJS_TimerObj::Init(*this, JS_DYNAMIC) < 0) return FALSE;
-       if (CJS_PrintParamsObj::Init(*this, JS_DYNAMIC) <0) return FALSE;
-
-       return TRUE;
+bool CJS_Runtime::AddEventToSet(const FieldEvent& event) {
+  return m_FieldEventSet.insert(event).second;
 }
-
-IFXJS_Context* CJS_Runtime::NewContext()
-{
-       CJS_Context * p = new CJS_Context(this);
-       m_ContextArray.Add(p);
-       return p;
-}
-
-void CJS_Runtime::ReleaseContext(IFXJS_Context * pContext)
-{
-       CJS_Context* pJSContext = (CJS_Context*)pContext;
-
-       for (int i=0, sz=m_ContextArray.GetSize(); i<sz; i++)
-       {
-               if (pJSContext == m_ContextArray.GetAt(i))
-               {
-                       delete pJSContext;
-                       m_ContextArray.RemoveAt(i);
-                       break;
-               }
-       }
-}
-
-IFXJS_Context* CJS_Runtime::GetCurrentContext()
-{
-       if(!m_ContextArray.GetSize())
-               return NULL;
-       return m_ContextArray.GetAt(m_ContextArray.GetSize()-1);
-}
-
-void CJS_Runtime::SetReaderDocument(CPDFSDK_Document* pReaderDoc)
-{
-       if (m_pDocument != pReaderDoc)
-       {
-               v8::Isolate::Scope isolate_scope(m_isolate);
-               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)
-               {
-                       JSObject pThis = JS_GetThisObj(*this);
-                       if(!pThis.IsEmpty())
-                       {
-                               if (JS_GetObjDefnID(pThis) == JS_GetObjDefnID(*this, L"Document"))
-                               {
-                                       if (CJS_Document* pJSDocument = (CJS_Document*)JS_GetPrivate(pThis))
-                                       {
-                                               if (Document * pDocument = (Document*)pJSDocument->GetEmbedObject())
-                                                       pDocument->AttachDoc(pReaderDoc);
-                                       }
-                               }
-                       }
-                       JS_SetThisObj(*this, JS_GetObjDefnID(*this, L"Document"));
-               }
-               else
-               {
-                       JS_SetThisObj(*this, JS_GetObjDefnID(*this, L"app"));
-               }
-       }
-}
-
-FX_BOOL        CJS_Runtime::AddEventToLoop(const CFX_WideString& sTargetName, JS_EVENT_T eEventType)
-{
-       if (m_pFieldEventPath == NULL)
-       {
-               m_pFieldEventPath = new CJS_FieldEvent;
-               m_pFieldEventPath->sTargetName = sTargetName;
-               m_pFieldEventPath->eEventType = eEventType;
-               m_pFieldEventPath->pNext = NULL;
-
-               return TRUE;
-       }
-
-       //to search
-       CJS_FieldEvent* p = m_pFieldEventPath;
-       CJS_FieldEvent* pLast = m_pFieldEventPath;
-       while (p)
-       {
-               if (p->eEventType == eEventType && p->sTargetName == sTargetName)
-                       return FALSE;
-
-               pLast = p;
-               p = p->pNext;
-       }
-
-       //to add
-       CJS_FieldEvent* pNew = new CJS_FieldEvent;
-       pNew->sTargetName = sTargetName;
-       pNew->eEventType = eEventType;
-       pNew->pNext = NULL;
-
-       pLast->pNext = pNew;
-
-       return TRUE;
-}
-
-void CJS_Runtime::RemoveEventInLoop(const CFX_WideString& sTargetName, JS_EVENT_T eEventType)
-{
-       FX_BOOL bFind = FALSE;
-
-       CJS_FieldEvent* p = m_pFieldEventPath;
-       CJS_FieldEvent* pLast = NULL;
-       while (p)
-       {
-               if (p->eEventType == eEventType && p->sTargetName == sTargetName)
-               {
-                       bFind = TRUE;
-                       break;
-               }
-
-               pLast = p;
-               p = p->pNext;
-       }
-
-       if (bFind)
-       {
-               RemoveEventsInLoop(p);
-
-               if (p == m_pFieldEventPath)
-                       m_pFieldEventPath = NULL;
-
-               if (pLast)
-                       pLast->pNext = NULL;
-       }
-}
-
-void CJS_Runtime::RemoveEventsInLoop(CJS_FieldEvent* pStart)
-{
-       CJS_FieldEvent* p = pStart;
-
-       while (p)
-       {
-               CJS_FieldEvent* pOld = p;
-               p = pOld->pNext;
-
-               delete pOld;
-       }
-}
-
-v8::Local<v8::Context> CJS_Runtime::NewJSContext()
-{
-       return v8::Local<v8::Context>::New(m_isolate, m_context);
-}
-
-CFX_WideString ChangeObjName(const CFX_WideString& str)
-{
-       CFX_WideString sRet = str;
-       sRet.Replace(L"_", L".");
-       return sRet;
+
+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);
+}
+
+CFX_WideString ChangeObjName(const CFX_WideString& str) {
+  CFX_WideString sRet = str;
+  sRet.Replace(L"_", L".");
+  return sRet;
 }