lc
6176f2c341
- records: 底部列表与月份选择器联动，新增 [本月|最近] 分段控件；标题/空态随模式切换 - leaderboard: 领奖台布局(冠军居中+皇冠)、次数标注于底座且三档水平对齐；头像 cloud:// 批量预解析提速(云函数需重新部署) - index/timer: 主色底图标改白色变体修复隐形；目标数字按微信字体缩放补偿真机遮挡 - settings: 配色方案横滑渐变色卡；头像上传前压缩至 200px - theme: 新增 teal 主题；暗黑背景统一对齐 - 圆形头像双保险(image 自身 border-radius)修复月/年榜方图 注: cloudfunctions/leaderboard 改动须在开发者工具重新部署才生效。
113 lines
3.2 KiB
JavaScript
113 lines
3.2 KiB
JavaScript
class Timer {
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constructor(options = {}) {
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this.onTick = options.onTick || (() => {})
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this.onGoalReached = options.onGoalReached || (() => {})
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this._duration = 0
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this._remaining = 0
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this._elapsed = 0
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this._startTime = 0
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this._pausedTime = 0
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this._intervalId = null
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this._running = false
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this._paused = false
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this._goalReached = false
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this._appShowBound = false
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// WeChat freezes setInterval while the mini-program is in background.
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// When the user returns, force an immediate tick so the UI jumps to
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// the actual elapsed time (instead of staying on the last pre-background
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// frame) and any missed halfway / 30s / 10s reminders can still fire.
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this._onAppShow = () => {
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if (this._running && !this._paused) {
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this._tick()
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}
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}
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}
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start(duration) {
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this._duration = duration
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this._remaining = duration
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this._elapsed = 0
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this._goalReached = false
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this._running = true
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this._paused = false
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this._startTime = Date.now()
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this._tick()
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this._intervalId = setInterval(() => { this._tick() }, 1000)
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// Register foreground listener (idempotent — keep a flag so we don't
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// double-register if start() is called multiple times in one session)
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this._bindAppShow()
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}
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_bindAppShow() {
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if (this._appShowBound || typeof wx.onAppShow !== 'function') return
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try {
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wx.onAppShow(this._onAppShow)
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this._appShowBound = true
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} catch (e) {}
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}
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_unbindAppShow() {
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if (!this._appShowBound || typeof wx.offAppShow !== 'function') return
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try {
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wx.offAppShow(this._onAppShow)
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} catch (e) {}
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this._appShowBound = false
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}
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pause() {
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if (!this._running || this._paused) return
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this._paused = true
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this._pausedTime = Date.now()
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clearInterval(this._intervalId)
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this._intervalId = null
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}
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resume() {
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if (!this._running || !this._paused) return
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this._startTime += Date.now() - this._pausedTime
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this._paused = false
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this._tick()
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this._intervalId = setInterval(() => { this._tick() }, 1000)
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}
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stop() {
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this._running = false
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this._paused = false
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clearInterval(this._intervalId)
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this._intervalId = null
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this._unbindAppShow()
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return this._elapsed
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}
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_tick() {
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if (!this._running || this._paused) return
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this._elapsed = Math.floor((Date.now() - this._startTime) / 1000)
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this._remaining = Math.max(0, this._duration - this._elapsed)
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this.onTick({
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remaining: this._remaining,
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elapsed: this._elapsed,
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duration: this._duration
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})
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// Goal reached: fire once but DON'T stop - the user keeps training past
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// the target until they manually end. elapsed keeps climbing, so
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// overtime (elapsed - duration) grows and the UI shows the surplus.
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if (this._remaining <= 0 && !this._goalReached) {
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this._goalReached = true
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this.onGoalReached({ elapsed: this._elapsed, duration: this._duration })
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}
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}
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get isRunning() { return this._running && !this._paused }
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get isPaused() { return this._paused }
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get isGoalReached() { return this._goalReached }
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get remaining() { return this._remaining }
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get elapsed() { return this._elapsed }
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}
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module.exports = Timer
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