DeviceLostInfo.h - mozsearch

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/* -*- Mode: C++; tab-width: 4; 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/. */

#ifndef GPU_DeviceLostInfo_H_

#define GPU_DeviceLostInfo_H_

#include "mozilla/dom/WebGPUBinding.h"

#include "mozilla/Maybe.h"

#include "nsWrapperCache.h"

#include "ObjectModel.h"

namespace mozilla::webgpu {

class Device;

class DeviceLostInfo final : public nsWrapperCache {

 public:

  GPU_DECL_CYCLE_COLLECTION(DeviceLostInfo)

  GPU_DECL_JS_WRAP(DeviceLostInfo)

  explicit DeviceLostInfo(nsIGlobalObject* const aGlobal,

                          const nsAString& aMessage)

      : mGlobal(aGlobal), mMessage(aMessage) {}

  DeviceLostInfo(nsIGlobalObject* const aGlobal,

                 dom::GPUDeviceLostReason aReason, const nsAString& aMessage)

      : mGlobal(aGlobal), mReason(Some(aReason)), mMessage(aMessage) {}

 private:

  ~DeviceLostInfo() = default;

  void Cleanup() {}

  nsCOMPtr<nsIGlobalObject> mGlobal;

  const Maybe<dom::GPUDeviceLostReason> mReason;

  const nsAutoString mMessage;

 public:

  void GetReason(JSContext* aCx, JS::MutableHandle<JS::Value> aRetval) {

    if (!mReason || !dom::ToJSValue(aCx, mReason.value(), aRetval)) {

      aRetval.setUndefined();

  void GetMessage(nsAString& aValue) const { aValue = mMessage; }

  nsIGlobalObject* GetParentObject() const { return mGlobal; }

};

}  // namespace mozilla::webgpu

#endif  // GPU_DeviceLostInfo_H_