1 // Copyright 2014 PDFium Authors. All rights reserved. 2 // Use of this source code is governed by a BSD-style license that can be 3 // found in the LICENSE file. 4 5 // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com 6 7 #ifndef FPDFSDK_JAVASCRIPT_CJS_RUNTIME_H_ 8 #define FPDFSDK_JAVASCRIPT_CJS_RUNTIME_H_ 9 10 #include <map> 11 #include <memory> 12 #include <set> 13 #include <utility> 14 #include <vector> 15 16 #include "core/fxcrt/cfx_observable.h" 17 #include "core/fxcrt/fx_basic.h" 18 #include "fpdfsdk/cpdfsdk_formfillenvironment.h" 19 #include "fpdfsdk/javascript/JS_EventHandler.h" 20 #include "fpdfsdk/javascript/ijs_runtime.h" 21 #include "fxjs/fxjs_v8.h" 22 23 class CJS_EventContext; 24 25 class CJS_Runtime : public IJS_Runtime, 26 public CFXJS_Engine, 27 public CFX_Observable<CJS_Runtime> { 28 public: 29 using FieldEvent = std::pair<CFX_WideString, JS_EVENT_T>; 30 31 static CJS_Runtime* CurrentRuntimeFromIsolate(v8::Isolate* pIsolate); 32 33 explicit CJS_Runtime(CPDFSDK_FormFillEnvironment* pFormFillEnv); 34 ~CJS_Runtime() override; 35 36 // IJS_Runtime 37 IJS_EventContext* NewEventContext() override; 38 void ReleaseEventContext(IJS_EventContext* pContext) override; 39 CPDFSDK_FormFillEnvironment* GetFormFillEnv() const override; 40 int ExecuteScript(const CFX_WideString& script, 41 CFX_WideString* info) override; 42 43 CJS_EventContext* GetCurrentEventContext() const; 44 45 // Returns true if the event isn't already found in the set. 46 bool AddEventToSet(const FieldEvent& event); 47 void RemoveEventFromSet(const FieldEvent& event); 48 49 void BeginBlock() { m_bBlocking = true; } 50 void EndBlock() { m_bBlocking = false; } 51 bool IsBlocking() const { return m_bBlocking; } 52 53 #ifdef PDF_ENABLE_XFA 54 bool GetValueByName(const CFX_ByteStringC& utf8Name, 55 CFXJSE_Value* pValue) override; 56 bool SetValueByName(const CFX_ByteStringC& utf8Name, 57 CFXJSE_Value* pValue) override; 58 #endif // PDF_ENABLE_XFA 59 60 private: 61 void DefineJSObjects(); 62 void SetFormFillEnvToDocument(); 63 64 std::vector<std::unique_ptr<CJS_EventContext>> m_EventContextArray; 65 CPDFSDK_FormFillEnvironment::ObservedPtr m_pFormFillEnv; 66 bool m_bBlocking; 67 bool m_isolateManaged; 68 std::set<FieldEvent> m_FieldEventSet; 69 }; 70 71 #endif // FPDFSDK_JAVASCRIPT_CJS_RUNTIME_H_ 72
