| // 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 "xfa/fxjse/runtime.h" |
| |
| #include "fpdfsdk/jsapi/include/fxjs_v8.h" |
| #include "xfa/fxjse/scope_inline.h" |
| |
| // Duplicates fpdfsdk's cjs_runtime.h, but keeps XFA from depending on it. |
| // TODO(tsepez): make a single version of this. |
| class FXJSE_ArrayBufferAllocator : public v8::ArrayBuffer::Allocator { |
| void* Allocate(size_t length) override { return calloc(1, length); } |
| void* AllocateUninitialized(size_t length) override { return malloc(length); } |
| void Free(void* data, size_t length) override { free(data); } |
| }; |
| |
| static void FXJSE_KillV8() { |
| v8::V8::Dispose(); |
| } |
| |
| void FXJSE_Initialize() { |
| if (!CFXJSE_RuntimeData::g_RuntimeList) { |
| CFXJSE_RuntimeData::g_RuntimeList = new CFXJSE_RuntimeList; |
| } |
| static FX_BOOL bV8Initialized = FALSE; |
| if (bV8Initialized) { |
| return; |
| } |
| bV8Initialized = TRUE; |
| atexit(FXJSE_KillV8); |
| } |
| |
| static void FXJSE_Runtime_DisposeCallback(v8::Isolate* pIsolate) { |
| { |
| v8::Locker locker(pIsolate); |
| if (FXJS_PerIsolateData* pData = FXJS_PerIsolateData::Get(pIsolate)) { |
| delete pData->m_pFXJSERuntimeData; |
| pData->m_pFXJSERuntimeData = nullptr; |
| } |
| } |
| pIsolate->Dispose(); |
| } |
| |
| void FXJSE_Finalize() { |
| if (CFXJSE_RuntimeData::g_RuntimeList) { |
| CFXJSE_RuntimeData::g_RuntimeList->RemoveAllRuntimes( |
| FXJSE_Runtime_DisposeCallback); |
| delete CFXJSE_RuntimeData::g_RuntimeList; |
| CFXJSE_RuntimeData::g_RuntimeList = NULL; |
| } |
| } |
| |
| FXJSE_HRUNTIME FXJSE_Runtime_Create() { |
| v8::Isolate::CreateParams params; |
| params.array_buffer_allocator = new FXJSE_ArrayBufferAllocator(); |
| v8::Isolate* pIsolate = v8::Isolate::New(params); |
| ASSERT(pIsolate && CFXJSE_RuntimeData::g_RuntimeList); |
| CFXJSE_RuntimeData::g_RuntimeList->AppendRuntime(pIsolate); |
| return reinterpret_cast<FXJSE_HRUNTIME>(pIsolate); |
| } |
| |
| void FXJSE_Runtime_Release(FXJSE_HRUNTIME hRuntime, bool bOwnedRuntime) { |
| v8::Isolate* pIsolate = reinterpret_cast<v8::Isolate*>(hRuntime); |
| if (!pIsolate) |
| return; |
| if (bOwnedRuntime) { |
| ASSERT(CFXJSE_RuntimeData::g_RuntimeList); |
| CFXJSE_RuntimeData::g_RuntimeList->RemoveRuntime( |
| pIsolate, FXJSE_Runtime_DisposeCallback); |
| } else { |
| if (FXJS_PerIsolateData* pData = FXJS_PerIsolateData::Get(pIsolate)) { |
| delete pData->m_pFXJSERuntimeData; |
| pData->m_pFXJSERuntimeData = nullptr; |
| } |
| } |
| } |
| |
| CFXJSE_RuntimeData* CFXJSE_RuntimeData::Create(v8::Isolate* pIsolate) { |
| CFXJSE_RuntimeData* pRuntimeData = new CFXJSE_RuntimeData(pIsolate); |
| CFXJSE_ScopeUtil_IsolateHandle scope(pIsolate); |
| v8::Local<v8::FunctionTemplate> hFuncTemplate = |
| v8::FunctionTemplate::New(pIsolate); |
| v8::Local<v8::Context> hContext = |
| v8::Context::New(pIsolate, 0, hFuncTemplate->InstanceTemplate()); |
| hContext->SetSecurityToken(v8::External::New(pIsolate, pIsolate)); |
| pRuntimeData->m_hRootContextGlobalTemplate.Reset(pIsolate, hFuncTemplate); |
| pRuntimeData->m_hRootContext.Reset(pIsolate, hContext); |
| return pRuntimeData; |
| } |
| |
| CFXJSE_RuntimeData* CFXJSE_RuntimeData::Get(v8::Isolate* pIsolate) { |
| FXJS_PerIsolateData::SetUp(pIsolate); |
| FXJS_PerIsolateData* pData = FXJS_PerIsolateData::Get(pIsolate); |
| if (!pData->m_pFXJSERuntimeData) |
| pData->m_pFXJSERuntimeData = CFXJSE_RuntimeData::Create(pIsolate); |
| return pData->m_pFXJSERuntimeData; |
| } |
| |
| CFXJSE_RuntimeList* CFXJSE_RuntimeData::g_RuntimeList = NULL; |
| void CFXJSE_RuntimeList::AppendRuntime(v8::Isolate* pIsolate) { |
| m_RuntimeList.Add(pIsolate); |
| } |
| |
| void CFXJSE_RuntimeList::RemoveRuntime( |
| v8::Isolate* pIsolate, |
| CFXJSE_RuntimeList::RuntimeDisposeCallback lpfnDisposeCallback) { |
| int32_t iIdx = m_RuntimeList.Find(pIsolate, 0); |
| if (iIdx >= 0) { |
| m_RuntimeList.RemoveAt(iIdx, 1); |
| } |
| if (lpfnDisposeCallback) { |
| lpfnDisposeCallback(pIsolate); |
| } |
| } |
| |
| void CFXJSE_RuntimeList::RemoveAllRuntimes( |
| CFXJSE_RuntimeList::RuntimeDisposeCallback lpfnDisposeCallback) { |
| int32_t iSize = m_RuntimeList.GetSize(); |
| if (lpfnDisposeCallback) { |
| for (int32_t iIdx = 0; iIdx < iSize; iIdx++) { |
| lpfnDisposeCallback(m_RuntimeList[iIdx]); |
| } |
| } |
| m_RuntimeList.RemoveAll(); |
| } |