| // 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/IJavaScript.h" |
| #include "../../include/javascript/JS_EventHandler.h" |
| #include "../../include/javascript/JS_Runtime.h" |
| #include "../../include/javascript/JS_Context.h" |
| #include "../../include/javascript/JS_Define.h" |
| #include "../../include/javascript/JS_Object.h" |
| #include "../../include/javascript/JS_Value.h" |
| #include "../../include/javascript/Document.h" |
| #include "../../include/javascript/app.h" |
| #include "../../include/javascript/color.h" |
| #include "../../include/javascript/Consts.h" |
| #include "../../include/javascript/Document.h" |
| #include "../../include/javascript/event.h" |
| #include "../../include/javascript/Field.h" |
| #include "../../include/javascript/Icon.h" |
| #include "../../include/javascript/PublicMethods.h" |
| #include "../../include/javascript/report.h" |
| #include "../../include/javascript/util.h" |
| #include "../../include/javascript/JS_GlobalData.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) { |
| unsigned int embedderDataSlot = 0; |
| if (pApp->GetFormFillInfo()->m_pJsPlatform->version >= 2) { |
| embedderDataSlot = |
| pApp->GetFormFillInfo()->m_pJsPlatform->m_v8EmbedderSlot; |
| } |
| JS_Initial(embedderDataSlot); |
| 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) { |
| delete (CJS_Runtime*)pRuntime; |
| } |
| |
| CJS_GlobalData* CJS_RuntimeFactory::NewGlobalData(CPDFDoc_Environment* pApp) { |
| if (m_pGlobalData) { |
| m_nGlobalDataCount++; |
| return m_pGlobalData; |
| } |
| 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_pFieldEventPath(NULL), |
| m_isolate(NULL), |
| m_isolateManaged(false) { |
| if (m_pApp->GetFormFillInfo()->m_pJsPlatform->version >= 2) { |
| m_isolate = reinterpret_cast<v8::Isolate*>( |
| m_pApp->GetFormFillInfo()->m_pJsPlatform->m_isolate); |
| } |
| if (!m_isolate) { |
| m_pArrayBufferAllocator.reset(new CJS_ArrayBufferAllocator()); |
| |
| v8::Isolate::CreateParams params; |
| params.array_buffer_allocator = m_pArrayBufferAllocator.get(); |
| m_isolate = v8::Isolate::New(params); |
| m_isolateManaged = true; |
| } |
| |
| InitJSObjects(); |
| |
| CJS_Context* pContext = (CJS_Context*)NewContext(); |
| JS_InitialRuntime(*this, 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(); |
| |
| JS_ReleaseRuntime(*this, m_context); |
| |
| RemoveEventsInLoop(m_pFieldEventPath); |
| |
| m_pApp = NULL; |
| m_pDocument = NULL; |
| m_pFieldEventPath = NULL; |
| m_context.Reset(); |
| |
| if (m_isolateManaged) |
| 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; |
| } |
| |
| 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; |
| } |