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// 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 <vector>
#include "core/include/fxcrt/fx_basic.h"
#include "fpdfsdk/include/javascript/IJavaScript.h"
#include "fpdfsdk/include/jsapi/fxjs_v8.h"
#include "fpdfsdk/src/javascript/JS_EventHandler.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();
#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();
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;
v8::Global<v8::Context> m_context;
std::vector<v8::Global<v8::Object>*> m_StaticObjects;
std::set<Observer*> m_observers;
};
#endif // FPDFSDK_SRC_JAVASCRIPT_JS_RUNTIME_H_
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