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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,42 +1,78 @@ | ||
| import { | ||
| publish | ||
| } from '../../bridge' | ||
|
|
||
| let listener | ||
|
|
||
| export function enableAccelerometer ({ | ||
| enable | ||
| }) { | ||
| return enable ? startAccelerometer() : stopAccelerometer() | ||
| } | ||
| const callbackIds = [] | ||
|
|
||
| /** | ||
| * 开始监听加速度数据 | ||
| */ | ||
| function startAccelerometer () { | ||
| if (window.DeviceMotionEvent) { | ||
| export function startAccelerometer (options, callbackId) { | ||
| const { | ||
| invokeCallbackHandler: invoke | ||
| } = UniServiceJSBridge | ||
| if (!window.DeviceMotionEvent) { | ||
| return { | ||
| errMsg: 'startAccelerometer:fail' | ||
| } | ||
| } | ||
| function addEventListener () { | ||
| listener = function (event) { | ||
| const acceleration = event.acceleration || event.accelerationIncludingGravity | ||
| publish('onAccelerometerChange', { | ||
| x: acceleration.x || 0, | ||
| y: acceleration.y || 0, | ||
| z: acceleration.z || 0, | ||
| errMsg: 'onAccelerometerChange:ok' | ||
| callbackIds.forEach(callbackId => { | ||
| invoke(callbackId, { | ||
| x: acceleration.x || 0, | ||
| y: acceleration.y || 0, | ||
| z: acceleration.z || 0 | ||
| }) | ||
| }) | ||
| } | ||
| window.addEventListener('devicemotion', listener, false) | ||
| return {} | ||
| } else { | ||
| throw new Error('device nonsupport devicemotion') | ||
| } | ||
| if (!listener) { | ||
| if (DeviceMotionEvent.requestPermission) { | ||
| DeviceMotionEvent.requestPermission().then((res) => { | ||
| if (res === 'granted') { | ||
| addEventListener() | ||
| invoke(callbackId, { | ||
| errMsg: 'startAccelerometer:ok' | ||
| }) | ||
| } else { | ||
| invoke(callbackId, { | ||
| errMsg: `startAccelerometer:fail ${res}` | ||
| }) | ||
| } | ||
| }).catch(error => { | ||
| invoke(callbackId, { | ||
| errMsg: `startAccelerometer:fail ${error}` | ||
| }) | ||
| }) | ||
| return | ||
| } | ||
| addEventListener() | ||
| } | ||
| return {} | ||
| } | ||
| /** | ||
| * 停止监听加速度数据 | ||
| */ | ||
| function stopAccelerometer () { | ||
|
|
||
| export function stopAccelerometer () { | ||
| if (listener) { | ||
| window.removeEventListener('devicemotion', listener, false) | ||
| listener = null | ||
| } | ||
| return {} | ||
| } | ||
| } | ||
|
|
||
| export function onAccelerometerChange (callbackId) { | ||
| if (!callbackIds.length) { | ||
| startAccelerometer() | ||
| } | ||
| callbackIds.push(callbackId) | ||
| } | ||
|
|
||
| export function offAccelerometerChange (callbackId) { | ||
| // 暂不支持移除所有监听 | ||
| if (callbackId) { | ||
| const index = callbackIds.indexOf(callbackId) | ||
| if (index >= 0) { | ||
| callbackIds.splice(index, 1) | ||
| } | ||
| } | ||
| if (!callbackIds.length) { | ||
| stopAccelerometer() | ||
| } | ||
| } |