// Copyright 2014 PDFium Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
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#ifndef FPDFSDK_JAVASCRIPT_CJS_RUNTIME_H_
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#define FPDFSDK_JAVASCRIPT_CJS_RUNTIME_H_
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#include <map>
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#include <memory>
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#include <set>
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#include <utility>
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#include <vector>
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#include "core/fxcrt/include/fx_basic.h"
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#include "fpdfsdk/javascript/JS_EventHandler.h"
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#include "fpdfsdk/javascript/ijs_runtime.h"
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#include "fxjs/include/fxjs_v8.h"
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class CJS_Context;
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class CJS_Runtime : public IJS_Runtime {
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public:
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class Observer {
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public:
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virtual void OnDestroyed() = 0;
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protected:
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virtual ~Observer() {}
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};
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using FieldEvent = std::pair<CFX_WideString, JS_EVENT_T>;
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static CJS_Runtime* FromContext(const IJS_Context* cc);
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explicit CJS_Runtime(CPDFDoc_Environment* pApp);
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~CJS_Runtime() override;
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// IJS_Runtime
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IJS_Context* NewContext() override;
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void ReleaseContext(IJS_Context* pContext) override;
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IJS_Context* GetCurrentContext() override;
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void SetReaderDocument(CPDFSDK_Document* pReaderDoc) override;
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CPDFSDK_Document* GetReaderDocument() override;
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int Execute(const CFX_WideString& script, CFX_WideString* info) override;
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CPDFDoc_Environment* GetReaderApp() const { return m_pApp; }
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// Returns true if the event isn't already found in the set.
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bool AddEventToSet(const FieldEvent& event);
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void RemoveEventFromSet(const FieldEvent& event);
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void BeginBlock() { m_bBlocking = TRUE; }
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void EndBlock() { m_bBlocking = FALSE; }
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FX_BOOL IsBlocking() const { return m_bBlocking; }
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v8::Isolate* GetIsolate() const { return m_isolate; }
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v8::Local<v8::Context> NewJSContext();
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void SetConstArray(const CFX_WideString& name, v8::Local<v8::Array> array);
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v8::Local<v8::Array> GetConstArray(const CFX_WideString& name);
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#ifdef PDF_ENABLE_XFA
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FX_BOOL GetValueByName(const CFX_ByteStringC& utf8Name,
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CFXJSE_Value* pValue) override;
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FX_BOOL SetValueByName(const CFX_ByteStringC& utf8Name,
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CFXJSE_Value* pValue) override;
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#endif // PDF_ENABLE_XFA
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void AddObserver(Observer* observer);
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void RemoveObserver(Observer* observer);
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private:
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void DefineJSObjects();
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std::vector<std::unique_ptr<CJS_Context>> m_ContextArray;
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CPDFDoc_Environment* const m_pApp;
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CPDFSDK_Document* m_pDocument;
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FX_BOOL m_bBlocking;
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std::set<FieldEvent> m_FieldEventSet;
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v8::Isolate* m_isolate;
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bool m_isolateManaged;
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v8::Global<v8::Context> m_context;
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std::vector<v8::Global<v8::Object>*> m_StaticObjects;
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std::map<CFX_WideString, v8::Global<v8::Array>> m_ConstArrays;
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std::set<Observer*> m_observers;
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};
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#endif // FPDFSDK_JAVASCRIPT_CJS_RUNTIME_H_
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