// 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/observable.h" #include "fpdfsdk/cpdfsdk_formfillenvironment.h" #include "fpdfsdk/javascript/JS_EventHandler.h" #include "fpdfsdk/javascript/ijs_runtime.h" #include "fxjs/fxjs_v8.h" class CJS_EventContext; class CJS_Runtime : public IJS_Runtime, public CFXJS_Engine, public Observable<CJS_Runtime> { public: using FieldEvent = std::pair<WideString, JS_EVENT_T>; static CJS_Runtime* CurrentRuntimeFromIsolate(v8::Isolate* pIsolate); explicit CJS_Runtime(CPDFSDK_FormFillEnvironment* pFormFillEnv); ~CJS_Runtime() override; // IJS_Runtime IJS_EventContext* NewEventContext() override; void ReleaseEventContext(IJS_EventContext* pContext) override; CPDFSDK_FormFillEnvironment* GetFormFillEnv() const override; int ExecuteScript(const WideString& script, WideString* info) override; CJS_EventContext* GetCurrentEventContext() const; // 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; } bool IsBlocking() const { return m_bBlocking; } // Attempt to convert the |value| into a number. If successful the number // value will be returned, otherwise |value| is returned. v8::Local<v8::Value> MaybeCoerceToNumber(v8::Local<v8::Value> value); #ifdef PDF_ENABLE_XFA bool GetValueByName(const ByteStringView& utf8Name, CFXJSE_Value* pValue) override; bool SetValueByName(const ByteStringView& utf8Name, CFXJSE_Value* pValue) override; #endif // PDF_ENABLE_XFA private: void DefineJSObjects(); void SetFormFillEnvToDocument(); std::vector<std::unique_ptr<CJS_EventContext>> m_EventContextArray; CPDFSDK_FormFillEnvironment::ObservedPtr m_pFormFillEnv; bool m_bBlocking; bool m_isolateManaged; std::set<FieldEvent> m_FieldEventSet; }; #endif // FPDFSDK_JAVASCRIPT_CJS_RUNTIME_H_