| <!DOCTYPE html> |
| <meta charset="utf-8"> |
| <title>iframe sensor tester</title> |
| <script src="/generic-sensor/resources/generic-sensor-helpers.js"></script> |
| <script> |
| let mockBackend = null; |
| let sensor = null; |
| let sensorType = null; |
| |
| async function messageHandler(e) { |
| if (e.data.command === 'create_sensor') { |
| if (!sensor) { |
| mockBackend = await initialize_generic_sensor_tests(); |
| sensor = new self[e.data.type](); |
| sensorType = e.data.type; |
| } |
| |
| return Promise.resolve('success'); |
| } else if (e.data.command === 'start_sensor') { |
| if (!sensor) { |
| return Promise.reject('"create_sensor" must be called first'); |
| } |
| |
| return new Promise((resolve, reject) => { |
| sensor.addEventListener('reading', () => { |
| resolve('success'); |
| }, { once: true }); |
| sensor.addEventListener('error', e => { |
| reject(`${e.error.name}: ${e.error.message}`); |
| }, { once: true }); |
| sensor.start(); |
| }); |
| } else if (e.data.command === 'is_sensor_suspended') { |
| if (!mockBackend) { |
| return Promise.reject('"create_sensor" must be called first'); |
| } |
| |
| const mockPlatformSensor = await mockBackend.getSensorProvider().getCreatedSensor(sensorType); |
| return Promise.resolve(!mockPlatformSensor.isReadingData()); |
| } else if (e.data.command === 'reset_sensor_backend') { |
| if (sensor) { |
| sensor.stop(); |
| await mockBackend.reset(); |
| |
| sensor = null; |
| mockBackend = null; |
| } |
| return Promise.resolve('success'); |
| } else { |
| return Promise.reject(`unknown command "${e.data.command}"`); |
| } |
| } |
| |
| window.onmessage = async (e) => { |
| let reply; |
| try { |
| reply = await messageHandler(e); |
| } catch (error) { |
| reply = error; |
| } |
| e.source.postMessage({ command: e.data.command, result: reply }, '*'); |
| } |
| </script> |
