blob: e18b8d46e1eb750bd92824eccd43f0295a980a47 [file] [log] [blame]
// Copyright 2016 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.
#include <memory>
#include "core/fxcrt/fx_string.h"
#include "core/fxcrt/fx_system.h"
#include "core/fxcrt/unowned_ptr.h"
#include "third_party/base/optional.h"
class CJS_Runtime;
class CPDFSDK_FormFillEnvironment;
class IJS_EventContext;
// Owns the FJXS objects needed to actually execute JS, if possible. This
// virtual interface is backed by either an actual JS runtime, or a stub,
// when JS is not present.
class IJS_Runtime {
struct JS_Error {
int line;
int column;
WideString exception;
JS_Error(int line, int column, const WideString& exception);
class ScopedEventContext {
explicit ScopedEventContext(IJS_Runtime* pRuntime);
IJS_EventContext* Get() const { return m_pContext.Get(); }
IJS_EventContext* operator->() const { return m_pContext.Get(); }
UnownedPtr<IJS_Runtime> const m_pRuntime;
UnownedPtr<IJS_EventContext> m_pContext;
static void Initialize(unsigned int slot, void* isolate, void* platform);
static void Destroy();
static std::unique_ptr<IJS_Runtime> Create(
CPDFSDK_FormFillEnvironment* pFormFillEnv);
virtual ~IJS_Runtime();
virtual CJS_Runtime* AsCJSRuntime() = 0;
virtual IJS_EventContext* NewEventContext() = 0;
virtual void ReleaseEventContext(IJS_EventContext* pContext) = 0;
virtual CPDFSDK_FormFillEnvironment* GetFormFillEnv() const = 0;
virtual Optional<JS_Error> ExecuteScript(const WideString& script) = 0;
IJS_Runtime() = default;