ui/src/plugins/com.google.android.GoogleCamera/index.ts

// Copyright (C) 2024 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 {Trace} from '../../public/trace';
import {PerfettoPlugin} from '../../public/plugin';
import * as cameraConstants from './googleCameraConstants';

export default class implements PerfettoPlugin {
  static readonly id = 'com.google.android.GoogleCamera';
  async onTraceLoad(ctx: Trace): Promise<void> {
    ctx.commands.registerCommand({
      id: 'com.google.android.GoogleCamera#LoadGoogleCameraStartupView',
      name: 'Load google camera startup view',
      callback: () => {
        this.loadGCAStartupView(ctx);
      },
    });

    ctx.commands.registerCommand({
      id: 'com.google.android.GoogleCamera#PinCameraRelatedTracks',
      name: 'Pin camera related tracks',
      callback: (trackNames) => {
        trackNames = prompt(
          'List of additional track names that you would like to pin separated by commas',
          '',
        );
        const trackNameList = trackNames.split(',').map(function (
          item: string,
        ) {
          return item.trim();
        });
        this.pinTracks(ctx, trackNameList);
      },
    });
  }

  private loadGCAStartupView(ctx: Trace) {
    this.pinTracks(ctx, cameraConstants.MAIN_THREAD_TRACK);
    this.pinTracks(ctx, cameraConstants.STARTUP_RELATED_TRACKS);
  }

  private pinTracks(ctx: Trace, trackNames: ReadonlyArray<string>) {
    ctx.workspace.flatTracks.forEach((track) => {
      trackNames.forEach((trackName) => {
        if (track.title.match(trackName)) {
          track.pin();
        }
      });
    });
  }
}