// 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 #ifndef FPDFSDK_JAVASCRIPT_CJS_RUNTIME_H_ #define FPDFSDK_JAVASCRIPT_CJS_RUNTIME_H_ #include <map> #include <memory> #include <set> #include <utility> #include <vector> #include "core/fxcrt/include/fx_basic.h" #include "fpdfsdk/include/jsapi/fxjs_v8.h" #include "fpdfsdk/javascript/JS_EventHandler.h" #include "fpdfsdk/javascript/ijs_runtime.h" class CJS_Context; class CJS_Runtime : public IJS_Runtime { public: class Observer { public: virtual void OnDestroyed() = 0; protected: virtual ~Observer() {} }; using FieldEvent = std::pair<CFX_WideString, JS_EVENT_T>; static CJS_Runtime* FromContext(const IJS_Context* cc); explicit CJS_Runtime(CPDFDoc_Environment* pApp); ~CJS_Runtime() override; // IJS_Runtime IJS_Context* NewContext() override; void ReleaseContext(IJS_Context* pContext) override; IJS_Context* GetCurrentContext() override; void SetReaderDocument(CPDFSDK_Document* pReaderDoc) override; CPDFSDK_Document* GetReaderDocument() override { return m_pDocument; } int Execute(IJS_Context* cc, const wchar_t* script, CFX_WideString* info) override; CPDFDoc_Environment* GetReaderApp() const { return m_pApp; } // Returns true if the event isn't already found in the set. bool AddEventToSet(const FieldEvent& event); void RemoveEventFromSet(const FieldEvent& event); void BeginBlock() { m_bBlocking = TRUE; } void EndBlock() { m_bBlocking = FALSE; } FX_BOOL IsBlocking() const { return m_bBlocking; } v8::Isolate* GetIsolate() const { return m_isolate; } v8::Local<v8::Context> NewJSContext(); void SetConstArray(const CFX_WideString& name, v8::Local<v8::Array> array); v8::Local<v8::Array> GetConstArray(const CFX_WideString& name); #ifdef PDF_ENABLE_XFA FX_BOOL GetHValueByName(const CFX_ByteStringC& utf8Name, FXJSE_HVALUE hValue) override; FX_BOOL SetHValueByName(const CFX_ByteStringC& utf8Name, FXJSE_HVALUE hValue) override; #endif // PDF_ENABLE_XFA void AddObserver(Observer* observer); void RemoveObserver(Observer* observer); private: void DefineJSObjects(); std::vector<std::unique_ptr<CJS_Context>> m_ContextArray; CPDFDoc_Environment* const m_pApp; CPDFSDK_Document* m_pDocument; FX_BOOL m_bBlocking; std::set<FieldEvent> m_FieldEventSet; v8::Isolate* m_isolate; bool m_isolateManaged; v8::Global<v8::Context> m_context; std::vector<v8::Global<v8::Object>*> m_StaticObjects; std::map<CFX_WideString, v8::Global<v8::Array>> m_ConstArrays; std::set<Observer*> m_observers; }; #endif // FPDFSDK_JAVASCRIPT_CJS_RUNTIME_H_