| // Copyright (C) 2019 The Android Open Source Project |
| // |
| // Licensed under the Apache License, Version 2.0 (the "License"); |
| // you may not use this file except in compliance with the License. |
| // You may obtain a copy of the License at |
| // |
| // http://www.apache.org/licenses/LICENSE-2.0 |
| // |
| // Unless required by applicable law or agreed to in writing, software |
| // distributed under the License is distributed on an "AS IS" BASIS, |
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| // See the License for the specific language governing permissions and |
| // limitations under the License. |
| |
| |
| import {search, searchEq} from '../../base/binary_search'; |
| import {Actions} from '../../common/actions'; |
| import {cropText} from '../../common/canvas_utils'; |
| import {TrackState} from '../../common/state'; |
| import {translateState} from '../../common/thread_state'; |
| import {colorForState} from '../../frontend/colorizer'; |
| import {globals} from '../../frontend/globals'; |
| import {Track} from '../../frontend/track'; |
| import {trackRegistry} from '../../frontend/track_registry'; |
| |
| import { |
| Config, |
| Data, |
| groupBusyStates, |
| THREAD_STATE_TRACK_KIND, |
| } from './common'; |
| |
| const MARGIN_TOP = 4; |
| const RECT_HEIGHT = 12; |
| |
| class ThreadStateTrack extends Track<Config, Data> { |
| static readonly kind = THREAD_STATE_TRACK_KIND; |
| static create(trackState: TrackState): ThreadStateTrack { |
| return new ThreadStateTrack(trackState); |
| } |
| |
| constructor(trackState: TrackState) { |
| super(trackState); |
| } |
| |
| getHeight(): number { |
| return 2 * MARGIN_TOP + RECT_HEIGHT; |
| } |
| |
| renderCanvas(ctx: CanvasRenderingContext2D): void { |
| const {timeScale, visibleWindowTime} = globals.frontendLocalState; |
| const data = this.data(); |
| const charWidth = ctx.measureText('dbpqaouk').width / 8; |
| |
| if (data === undefined) return; // Can't possibly draw anything. |
| |
| for (let i = 0; i < data.starts.length; i++) { |
| const tStart = data.starts[i]; |
| const tEnd = data.ends[i]; |
| const state = data.strings[data.state[i]]; |
| if (tEnd <= visibleWindowTime.start || tStart >= visibleWindowTime.end) { |
| continue; |
| } |
| if (tStart && tEnd) { |
| // Don't display a slice for Task Dead. |
| if (state === 'x') continue; |
| const rectStart = timeScale.timeToPx(tStart); |
| const rectEnd = timeScale.timeToPx(tEnd); |
| const color = colorForState(state); |
| ctx.fillStyle = `hsl(${color.h},${color.s}%,${color.l}%)`; |
| let rectWidth = rectEnd - rectStart; |
| if (groupBusyStates(data.resolution) && rectWidth < 1) { |
| rectWidth = 1; |
| } |
| ctx.fillRect(rectStart, MARGIN_TOP, rectWidth, RECT_HEIGHT); |
| |
| // Don't render text when we have less than 5px to play with. |
| if (rectWidth < 5) continue; |
| ctx.textAlign = 'center'; |
| const title = cropText(translateState(state), charWidth, rectWidth); |
| const rectXCenter = rectStart + rectWidth / 2; |
| ctx.fillStyle = color.l < 80 ? '#fff' : '#404040'; |
| ctx.font = '10px Google Sans'; |
| ctx.fillText(title, rectXCenter, MARGIN_TOP + RECT_HEIGHT / 2 + 3); |
| } |
| } |
| |
| const selection = globals.state.currentSelection; |
| if (selection !== null && selection.kind === 'THREAD_STATE' && |
| selection.utid === this.config.utid) { |
| const [startIndex, endIndex] = searchEq(data.starts, selection.ts); |
| if (startIndex !== endIndex) { |
| const tStart = data.starts[startIndex]; |
| const tEnd = data.ends[startIndex]; |
| const state = data.strings[data.state[startIndex]]; |
| const rectStart = timeScale.timeToPx(tStart); |
| const rectEnd = timeScale.timeToPx(tEnd); |
| const color = colorForState(state); |
| ctx.strokeStyle = `hsl(${color.h},${color.s}%,${color.l * 0.7}%)`; |
| ctx.beginPath(); |
| ctx.lineWidth = 3; |
| ctx.strokeRect( |
| rectStart, MARGIN_TOP - 1.5, rectEnd - rectStart, RECT_HEIGHT + 3); |
| ctx.closePath(); |
| } |
| } |
| } |
| |
| onMouseClick({x}: {x: number}) { |
| const data = this.data(); |
| if (data === undefined) return false; |
| const {timeScale} = globals.frontendLocalState; |
| const time = timeScale.pxToTime(x); |
| const index = search(data.starts, time); |
| const ts = index === -1 ? undefined : data.starts[index]; |
| const tsEnd = index === -1 ? undefined : data.ends[index]; |
| const state = index === -1 ? undefined : data.strings[data.state[index]]; |
| const cpu = index === -1 ? undefined : data.cpu[index]; |
| const utid = this.config.utid; |
| if (ts && state && tsEnd && cpu !== undefined) { |
| globals.makeSelection(Actions.selectThreadState({ |
| utid, |
| ts, |
| dur: tsEnd - ts, |
| state, |
| cpu, |
| trackId: this.trackState.id |
| })); |
| return true; |
| } |
| return false; |
| } |
| } |
| |
| trackRegistry.register(ThreadStateTrack); |