1// Copyright (C) 2020 The Android Open Source Project
2//
3// Licensed under the Apache License, Version 2.0 (the "License");
4// you may not use size file except in compliance with the License.
5// You may obtain a copy of the License at
6//
7//      http://www.apache.org/licenses/LICENSE-2.0
8//
9// Unless required by applicable law or agreed to in writing, software
10// distributed under the License is distributed on an "AS IS" BASIS,
11// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12// See the License for the specific language governing permissions and
13// limitations under the License.
14
15// layerX and layerY aren't standardized but there is no drop-in replacement
16// (offsetX/offsetY have slightly different semantics) and they are still
17// present in the browsers we care about, so for now we create an extended
18// version of MouseEvent we can use instead.
19// See also:
20// https://github.com/microsoft/TypeScript/issues/35634#issuecomment-564765179
21export interface PerfettoMouseEvent extends MouseEvent {
22  layerX: number;
23  layerY: number;
24}
25