新增HTTP开放API服务

src/common/utils/lyric-font-player/index.js

@@ -227,4 +227,8 @@ export default class Lyric {
       this._handleLinePlayerOnPlay(num, '', this.linePlayer._currentTime())
     } else this.playingLineNum = 0
   }
+
+  setAutoPause(autoPause) {
+    this.linePlayer.setAutoPause(autoPause)
+  }
 }

src/common/utils/lyric-font-player/line-player.js

@@ -224,4 +224,16 @@ export default class LinePlayer {
     this.extendedLyrics = extendedLyrics
     this._init()
   }
+
+  setAutoPause(autoPause) {
+    if (autoPause) {
+      timeoutTools.nextTick = window.requestAnimationFrame.bind(window)
+      timeoutTools.cancelNextTick = window.cancelAnimationFrame.bind(window)
+    } else {
+      timeoutTools.nextTick = (handler) => {
+        return setTimeout(handler, 80)
+      }
+      timeoutTools.cancelNextTick = clearTimeout.bind(global)
+    }
+  }
 }

src/common/utils/lyric-font-player/utils.js

@@ -3,6 +3,8 @@ export const getNow = typeof performance == 'object' && window.performance.now ?
 
 export class TimeoutTools {
   constructor(thresholdTime = 80) {
+    this.nextTick = window.requestAnimationFrame.bind(window)
+    this.cancelNextTick = window.cancelAnimationFrame.bind(window)
     this.invokeTime = 0
     this.animationFrameId = null
     this.timeoutId = null
@@ -11,7 +13,7 @@ export class TimeoutTools {
   }
 
   run() {
-    this.animationFrameId = window.requestAnimationFrame(() => {
+    this.animationFrameId = this.nextTick(() => {
       this.animationFrameId = null
       let diff = this.invokeTime - getNow()
       // console.log('diff', diff)
@@ -39,7 +41,7 @@ export class TimeoutTools {
 
   clear() {
     if (this.animationFrameId) {
-      window.cancelAnimationFrame(this.animationFrameId)
+      this.cancelNextTick(this.animationFrameId)
       this.animationFrameId = null
     }
     if (this.timeoutId) {