Add mock GPS simulator and configurable location sources
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@@ -1,153 +1,227 @@
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export interface LocationUpdate {
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latitude: number
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longitude: number
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accuracy?: number
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speed?: number
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import { DEFAULT_MOCK_LOCATION_BRIDGE_URL, MockLocationBridge } from './mockLocationBridge'
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import { MockLocationSource } from './mockLocationSource'
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import { RealLocationSource } from './realLocationSource'
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import { type LocationSample, type LocationSourceCallbacks, type LocationSourceMode } from './locationSource'
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export interface LocationUpdate extends LocationSample {}
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export interface LocationControllerDebugState {
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sourceMode: LocationSourceMode
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sourceModeText: string
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listening: boolean
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mockBridgeConnected: boolean
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mockBridgeStatusText: string
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mockBridgeUrlText: string
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mockCoordText: string
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mockSpeedText: string
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}
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export interface LocationControllerCallbacks {
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onLocation: (update: LocationUpdate) => void
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onStatus: (message: string) => void
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onError: (message: string) => void
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onDebugStateChange?: (state: LocationControllerDebugState) => void
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}
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function hasLocationPermission(settings: WechatMiniprogram.AuthSetting): boolean {
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const authSettings = settings as Record<string, boolean | undefined>
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return !!authSettings['scope.userLocation']
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function formatSourceModeText(mode: LocationSourceMode): string {
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return mode === 'mock' ? '模拟定位' : '真实定位'
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}
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function hasBackgroundLocationPermission(settings: WechatMiniprogram.AuthSetting): boolean {
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const authSettings = settings as Record<string, boolean | undefined>
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return !!authSettings['scope.userLocationBackground']
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function formatMockCoordText(sample: LocationSample | null): string {
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if (!sample) {
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return '--'
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}
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return `${sample.latitude.toFixed(6)}, ${sample.longitude.toFixed(6)}`
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}
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function formatMockSpeedText(sample: LocationSample | null): string {
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if (!sample || !Number.isFinite(sample.speed)) {
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return '--'
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}
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return `${(Number(sample.speed) * 3.6).toFixed(1)} km/h`
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}
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function normalizeMockBridgeUrl(rawUrl: string): string {
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const trimmed = rawUrl.trim()
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if (!trimmed) {
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return DEFAULT_MOCK_LOCATION_BRIDGE_URL
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}
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let normalized = trimmed
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if (!/^wss?:\/\//i.test(normalized)) {
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normalized = `ws://${normalized.replace(/^\/+/, '')}`
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}
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if (!/\/mock-gps(?:\?.*)?$/i.test(normalized)) {
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normalized = normalized.replace(/\/+$/, '')
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normalized = `${normalized}/mock-gps`
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}
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return normalized
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}
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export class LocationController {
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callbacks: LocationControllerCallbacks
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listening: boolean
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boundLocationHandler: ((result: WechatMiniprogram.OnLocationChangeCallbackResult) => void) | null
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realSource: RealLocationSource
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mockSource: MockLocationSource
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mockBridge: MockLocationBridge
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sourceMode: LocationSourceMode
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mockBridgeStatusText: string
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mockBridgeUrl: string
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constructor(callbacks: LocationControllerCallbacks) {
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this.callbacks = callbacks
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this.listening = false
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this.boundLocationHandler = null
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this.sourceMode = 'real'
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this.mockBridgeUrl = DEFAULT_MOCK_LOCATION_BRIDGE_URL
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this.mockBridgeStatusText = `未连接 (${this.mockBridgeUrl})`
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const sourceCallbacks: LocationSourceCallbacks = {
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onLocation: (sample) => {
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this.callbacks.onLocation(sample)
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this.emitDebugState()
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},
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onStatus: (message) => {
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this.callbacks.onStatus(message)
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this.emitDebugState()
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},
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onError: (message) => {
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this.callbacks.onError(message)
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this.emitDebugState()
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},
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}
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this.realSource = new RealLocationSource(sourceCallbacks)
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this.mockSource = new MockLocationSource(sourceCallbacks)
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this.mockBridge = new MockLocationBridge({
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onOpen: () => {
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this.mockBridgeStatusText = `已连接 (${this.mockBridge.url})`
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this.callbacks.onStatus('模拟定位源已连接')
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this.emitDebugState()
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},
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onClose: () => {
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this.mockBridgeStatusText = `未连接 (${this.mockBridge.url})`
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this.callbacks.onStatus('模拟定位源已断开')
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this.emitDebugState()
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},
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onError: (message) => {
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this.mockBridgeStatusText = `连接失败 (${this.mockBridge.url})`
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this.callbacks.onError(`模拟定位源错误: ${message}`)
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this.emitDebugState()
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},
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onSample: (sample) => {
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this.mockSource.pushSample(sample)
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this.emitDebugState()
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},
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})
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}
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get listening(): boolean {
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return this.sourceMode === 'mock' ? this.mockSource.active : this.realSource.active
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}
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getDebugState(): LocationControllerDebugState {
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return {
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sourceMode: this.sourceMode,
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sourceModeText: formatSourceModeText(this.sourceMode),
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listening: this.listening,
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mockBridgeConnected: this.mockBridge.connected,
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mockBridgeStatusText: this.mockBridgeStatusText,
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mockBridgeUrlText: this.mockBridgeUrl,
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mockCoordText: formatMockCoordText(this.mockSource.lastSample),
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mockSpeedText: formatMockSpeedText(this.mockSource.lastSample),
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}
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}
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start(): void {
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if (this.listening) {
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this.callbacks.onStatus('后台持续定位进行中')
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return
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}
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wx.getSetting({
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success: (result) => {
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const settings = result.authSetting || {}
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if (hasBackgroundLocationPermission(settings)) {
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this.startBackgroundLocation()
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return
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}
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if (hasLocationPermission(settings)) {
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this.requestBackgroundPermissionInSettings()
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return
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}
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wx.authorize({
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scope: 'scope.userLocation',
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success: () => {
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this.requestBackgroundPermissionInSettings()
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},
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fail: () => {
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this.requestBackgroundPermissionInSettings()
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},
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})
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},
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fail: (error) => {
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const message = error && error.errMsg ? error.errMsg : 'getSetting 失败'
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this.callbacks.onError(`GPS授权检查失败: ${message}`)
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},
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})
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}
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requestBackgroundPermissionInSettings(): void {
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this.callbacks.onStatus('请在授权面板开启后台定位')
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wx.openSetting({
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success: (result) => {
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const settings = result.authSetting || {}
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if (hasBackgroundLocationPermission(settings)) {
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this.startBackgroundLocation()
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return
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}
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this.callbacks.onError('GPS启动失败: 未授予后台定位权限')
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},
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fail: (error) => {
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const message = error && error.errMsg ? error.errMsg : 'openSetting 失败'
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this.callbacks.onError(`GPS启动失败: ${message}`)
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},
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})
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}
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startBackgroundLocation(): void {
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wx.startLocationUpdateBackground({
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type: 'wgs84',
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success: () => {
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this.bindLocationListener()
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this.listening = true
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this.callbacks.onStatus('后台持续定位已启动')
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},
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fail: (error) => {
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const message = error && error.errMsg ? error.errMsg : 'startLocationUpdateBackground 失败'
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this.callbacks.onError(`GPS启动失败: ${message}`)
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},
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})
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this.getActiveSource().start()
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this.emitDebugState()
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}
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stop(): void {
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if (!this.listening) {
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this.callbacks.onStatus('后台持续定位未启动')
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return
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}
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if (typeof wx.offLocationChange === 'function' && this.boundLocationHandler) {
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wx.offLocationChange(this.boundLocationHandler)
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}
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this.boundLocationHandler = null
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wx.stopLocationUpdate({
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complete: () => {
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this.listening = false
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this.callbacks.onStatus('后台持续定位已停止')
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},
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})
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this.getActiveSource().stop()
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this.emitDebugState()
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}
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destroy(): void {
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if (typeof wx.offLocationChange === 'function' && this.boundLocationHandler) {
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wx.offLocationChange(this.boundLocationHandler)
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}
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this.boundLocationHandler = null
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if (this.listening) {
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wx.stopLocationUpdate({ complete: () => {} })
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this.listening = false
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}
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this.realSource.destroy()
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this.mockSource.destroy()
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this.mockBridge.destroy()
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this.emitDebugState()
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}
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bindLocationListener(): void {
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if (this.boundLocationHandler) {
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setSourceMode(mode: LocationSourceMode): void {
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if (this.sourceMode === mode) {
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this.callbacks.onStatus(`${formatSourceModeText(mode)}已启用`)
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this.emitDebugState()
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return
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}
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this.boundLocationHandler = (result) => {
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this.callbacks.onLocation({
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latitude: result.latitude,
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longitude: result.longitude,
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accuracy: result.accuracy,
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speed: result.speed,
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})
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const wasListening = this.listening
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if (wasListening) {
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this.getActiveSource().stop()
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}
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this.sourceMode = mode
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if (wasListening) {
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this.getActiveSource().start()
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} else {
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this.callbacks.onStatus(`已切换到${formatSourceModeText(mode)}`)
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}
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wx.onLocationChange(this.boundLocationHandler)
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this.emitDebugState()
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}
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setMockBridgeUrl(url: string): void {
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this.mockBridgeUrl = normalizeMockBridgeUrl(url)
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if (this.mockBridge.connected || this.mockBridge.connecting) {
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this.mockBridgeStatusText = `已设置新地址，重连生效 (${this.mockBridgeUrl})`
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this.callbacks.onStatus('模拟定位源地址已更新，重连后生效')
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} else {
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this.mockBridgeStatusText = `未连接 (${this.mockBridgeUrl})`
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this.callbacks.onStatus('模拟定位源地址已更新')
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}
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this.emitDebugState()
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}
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connectMockBridge(url = DEFAULT_MOCK_LOCATION_BRIDGE_URL): void {
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if (this.mockBridge.connected || this.mockBridge.connecting) {
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this.callbacks.onStatus('模拟定位源已连接')
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this.emitDebugState()
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return
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}
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const targetUrl = normalizeMockBridgeUrl(url === DEFAULT_MOCK_LOCATION_BRIDGE_URL ? this.mockBridgeUrl : url)
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this.mockBridgeUrl = targetUrl
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this.mockBridgeStatusText = `连接中 (${targetUrl})`
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this.emitDebugState()
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this.callbacks.onStatus('模拟定位源连接中')
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this.mockBridge.connect(targetUrl)
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}
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disconnectMockBridge(): void {
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if (!this.mockBridge.connected && !this.mockBridge.connecting) {
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this.callbacks.onStatus('模拟定位源未连接')
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this.emitDebugState()
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return
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}
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this.mockBridge.disconnect()
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this.mockBridgeStatusText = `未连接 (${this.mockBridge.url})`
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this.callbacks.onStatus('模拟定位源已断开')
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this.emitDebugState()
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}
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getActiveSource(): RealLocationSource | MockLocationSource {
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return this.sourceMode === 'mock' ? this.mockSource : this.realSource
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}
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emitDebugState(): void {
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if (this.callbacks.onDebugStateChange) {
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this.callbacks.onDebugStateChange(this.getDebugState())
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}
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}
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}
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