/* -*-  Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2; -*-
 */
/* This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

#include "JSDebugger.h"
#include "nsThreadUtils.h"
#include "jsapi.h"
#include "jsfriendapi.h"
#include "js/Wrapper.h"
#include "nsServiceManagerUtils.h"
#include "nsMemory.h"

#define JSDEBUGGER_CONTRACTID "@mozilla.org/jsdebugger;1"

#define JSDEBUGGER_CID                               \
  {                                                  \
    0x0365cbd5, 0xd46e, 0x4e94, {                    \
      0xa3, 0x9f, 0x83, 0xb6, 0x3c, 0xd1, 0xa9, 0x63 \
    }                                                \
  }

namespace mozilla::jsdebugger {

NS_IMPL_ISUPPORTS(JSDebugger, IJSDebugger)

JSDebugger::JSDebugger() {}

JSDebugger::~JSDebugger() {}

NS_IMETHODIMP
JSDebugger::AddClass(JS::Handle<JS::Value> global, JSContext* cx) {
  if (!global.isObject()) {
    return NS_ERROR_INVALID_ARG;
  }

  JS::RootedObject obj(cx, &global.toObject());
  obj = js::UncheckedUnwrap(obj, /* stopAtWindowProxy = */ false);
  if (!obj) {
    return NS_ERROR_FAILURE;
  }

  if (!JS_IsGlobalObject(obj)) {
    return NS_ERROR_INVALID_ARG;
  }

  JSAutoRealm ar(cx, obj);
  if (!JS_DefineDebuggerObject(cx, obj)) {
    return NS_ERROR_FAILURE;
  }

  if (recordreplay::IsRecordingOrReplaying() || recordreplay::IsMiddleman()) {
    if (!recordreplay::DefineRecordReplayControlObject(cx, obj)) {
      return NS_ERROR_FAILURE;
    }
  } else {
    // Define an empty RecordReplayControl object, to avoid reference errors in
    // scripts that run in normal processes. DefineRecordReplayControlObject
    // can't be called in normal processes.
    JS::RootedObject staticObject(cx, JS_NewObject(cx, nullptr));
    if (!staticObject ||
        !JS_DefineProperty(cx, obj, "RecordReplayControl", staticObject, 0)) {
      return NS_ERROR_FAILURE;
    }
  }

  return NS_OK;
}

}  // namespace mozilla::jsdebugger