ui/src/plugins/dev.perfetto.BookmarkletApi/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 type {Trace} from '../../public/trace';
import type {App} from '../../public/app';
import type {PerfettoPlugin} from '../../public/plugin';

declare global {
  interface Window {
    ctx: App | Trace | undefined;
  }
}

export default class Plugin implements PerfettoPlugin {
  static readonly id = 'dev.perfetto.BookmarkletApi';
  static bookmarkletPluginCtx: App;

  static onActivate(pluginCtx: App): void {
    this.bookmarkletPluginCtx = pluginCtx;
    window.ctx = pluginCtx;
  }

  async onTraceLoad(trace: Trace): Promise<void> {
    window.ctx = trace;
    trace.trash.defer(() => {
      window.ctx = Plugin.bookmarkletPluginCtx;
    });
  }
}