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-rw-r--r--dom/webgpu/DeviceLostInfo.h51
1 files changed, 51 insertions, 0 deletions
diff --git a/dom/webgpu/DeviceLostInfo.h b/dom/webgpu/DeviceLostInfo.h
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+++ b/dom/webgpu/DeviceLostInfo.h
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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_