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