1// Copyright (C) 2023 The Android Open Source Project 2// 3// Licensed under the Apache License, Version 2.0 (the "License"); 4// you may not use this 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 15import {DatasetSliceTrack} from '../../components/tracks/dataset_slice_track'; 16import {Trace} from '../../public/trace'; 17import {SourceDataset} from '../../trace_processor/dataset'; 18import {LONG, NUM, STR} from '../../trace_processor/query_result'; 19import {ScrollDetailsPanel} from './scroll_details_panel'; 20 21export function createTopLevelScrollTrack(trace: Trace, uri: string) { 22 return new DatasetSliceTrack({ 23 trace, 24 uri, 25 dataset: new SourceDataset({ 26 schema: { 27 id: NUM, 28 rawId: LONG, 29 ts: LONG, 30 dur: LONG, 31 name: STR, 32 }, 33 src: ` 34 SELECT 35 ROW_NUMBER() OVER (ORDER BY ts) as id, 36 id as rawId, 37 printf("Scroll %s", CAST(id AS STRING)) AS name, 38 ts, 39 dur 40 FROM chrome_scrolls 41 -- If the scroll has started before the trace started, we won't have 42 -- an id for it, so skip it to ensure that we can show the remaining 43 -- traces. 44 WHERE id IS NOT NULL 45 `, 46 }), 47 detailsPanel: (row) => new ScrollDetailsPanel(trace, row.rawId), 48 }); 49} 50