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 {NamedSliceTrack} from '../../frontend/named_slice_track'; 16import {SLICE_LAYOUT_FIT_CONTENT_DEFAULTS} from '../../frontend/slice_layout'; 17import {NewTrackArgs} from '../../frontend/track'; 18import {Slice} from '../../public'; 19 20export class AsyncSliceTrack extends NamedSliceTrack { 21 constructor( 22 args: NewTrackArgs, 23 maxDepth: number, 24 private trackIds: number[], 25 ) { 26 super(args); 27 this.sliceLayout = { 28 ...SLICE_LAYOUT_FIT_CONTENT_DEFAULTS, 29 depthGuess: maxDepth, 30 }; 31 } 32 33 getSqlSource(): string { 34 return ` 35 select 36 ts, 37 dur, 38 layout_depth as depth, 39 ifnull(name, '[null]') as name, 40 id, 41 thread_dur as threadDur 42 from experimental_slice_layout 43 where filter_track_ids = '${this.trackIds.join(',')}' 44 `; 45 } 46 47 onUpdatedSlices(slices: Slice[]) { 48 for (const slice of slices) { 49 slice.isHighlighted = slice === this.hoveredSlice; 50 } 51 } 52} 53