// 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_SRC_JAVASCRIPT_JS_RUNTIME_H_ #define FPDFSDK_SRC_JAVASCRIPT_JS_RUNTIME_H_ #include <set> #include <utility> #include "../../../third_party/base/nonstd_unique_ptr.h" #include "../../../core/include/fxcrt/fx_basic.h" #include "../../include/javascript/IJavaScript.h" #include "../../include/jsapi/fxjs_v8.h" #include "JS_EventHandler.h" class CJS_Context; class CJS_Runtime : public IFXJS_Runtime { public: class Observer { public: virtual void OnDestroyed() = 0; protected: virtual ~Observer() {} }; using FieldEvent = std::pair<CFX_WideString, JS_EVENT_T>; explicit CJS_Runtime(CPDFDoc_Environment* pApp); ~CJS_Runtime() override; // IFXJS_Runtime IFXJS_Context* NewContext() override; void ReleaseContext(IFXJS_Context* pContext) override; IFXJS_Context* GetCurrentContext() override; void SetReaderDocument(CPDFSDK_Document* pReaderDoc) override; CPDFSDK_Document* GetReaderDocument() override { return m_pDocument; } 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(); virtual FX_BOOL GetHValueByName(const CFX_ByteStringC& utf8Name, FXJSE_HVALUE hValue); virtual FX_BOOL SetHValueByName(const CFX_ByteStringC& utf8Name, FXJSE_HVALUE hValue); void AddObserver(Observer* observer); void RemoveObserver(Observer* observer); private: void DefineJSObjects(); CFX_ArrayTemplate<CJS_Context*> m_ContextArray; CPDFDoc_Environment* m_pApp; CPDFSDK_Document* m_pDocument; FX_BOOL m_bBlocking; std::set<FieldEvent> m_FieldEventSet; v8::Isolate* m_isolate; bool m_isolateManaged; nonstd::unique_ptr<FXJS_ArrayBufferAllocator> m_pArrayBufferAllocator; v8::Global<v8::Context> m_context; std::set<Observer*> m_observers; }; #endif // FPDFSDK_SRC_JAVASCRIPT_JS_RUNTIME_H_