gecko-dev/dom/webgpu/DeviceLostInfo.h

52 строки
1.5 KiB
C++

/* -*- 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_