From e10528397f99e803ffc38de64f55f6713c82fdee Mon Sep 17 00:00:00 2001
From: DIYgod <diy.d.god@gmail.com>
Date: Tue, 13 Mar 2018 11:26:29 +0800
Subject: [PATCH] replace dirty checking with timeupdate

---
 src/js/controller.js |  4 ++--
 src/js/player.js     | 13 +++++++++++--
 src/js/timer.js      | 16 +---------------
 3 files changed, 14 insertions(+), 19 deletions(-)

diff --git a/src/js/controller.js b/src/js/controller.js
index 49ccdb80..7a1fd21f 100644
--- a/src/js/controller.js
+++ b/src/js/controller.js
@@ -62,11 +62,11 @@ class Controller {
             percentage = Math.min(percentage, 1);
             this.player.bar.set('played', percentage, 'width');
             this.player.seek(this.player.bar.get('played', 'width') * this.player.audio.duration);
-            this.player.timer.enable('progress');
+            this.player.disableTimeupdate = true;
         };
 
         this.player.template.barWrap.addEventListener(utils.nameMap.dragStart, () => {
-            this.player.timer.disable('progress');
+            this.player.disableTimeupdate = false;
             document.addEventListener(utils.nameMap.dragMove, thumbMove);
             document.addEventListener(utils.nameMap.dragEnd, thumbUp);
         });
diff --git a/src/js/player.js b/src/js/player.js
index 84ffb88a..1726b3b4 100644
--- a/src/js/player.js
+++ b/src/js/player.js
@@ -121,6 +121,17 @@ class APlayer {
             }
         });
 
+        this.on('timeupdate', () => {
+            if (!this.disableTimeupdate) {
+                this.bar.set('played', this.audio.currentTime / this.audio.duration, 'width');
+                this.lrc && this.lrc.update();
+                const currentTime = utils.secondToTime(this.audio.currentTime);
+                if (this.template.ptime.innerHTML !== currentTime) {
+                    this.template.ptime.innerHTML = currentTime;
+                }
+            }
+        });
+
         // show audio time: the metadata has loaded or changed
         this.on('durationchange', () => {
             if (this.audio.duration !== 1) {           // compatibility: Android browsers will output 1 at first
@@ -268,7 +279,6 @@ class APlayer {
             });
 
             this.timer.enable('loading');
-            this.timer.enable('progress');
 
             if (this.options.mutex) {
                 for (let i = 0; i < instances.length; i++) {
@@ -298,7 +308,6 @@ class APlayer {
             this.audio.pause();
 
             this.timer.disable('loading');
-            this.timer.disable('progress');
         });
     }
 
diff --git a/src/js/timer.js b/src/js/timer.js
index cbcdc85d..fb912199 100644
--- a/src/js/timer.js
+++ b/src/js/timer.js
@@ -1,4 +1,3 @@
-import utils from './utils';
 
 class Timer {
     constructor (player) {
@@ -15,7 +14,7 @@ class Timer {
             }
         )();
 
-        this.types = ['loading', 'progress'];
+        this.types = ['loading'];
 
         this.init();
     }
@@ -27,19 +26,6 @@ class Timer {
         });
     }
 
-    initprogressChecker () {
-        this.progressChecker = setInterval(() => {
-            if (this.enableprogressChecker) {
-                this.player.bar.set('played', this.player.audio.currentTime / this.player.audio.duration, 'width');
-                this.player.lrc && this.player.lrc.update();
-                const currentTime = utils.secondToTime(this.player.audio.currentTime);
-                if (this.player.template.ptime.innerHTML !== currentTime) {
-                    this.player.template.ptime.innerHTML = currentTime;
-                }
-            }
-        }, 100);
-    }
-
     initloadingChecker () {
         let lastPlayPos = 0;
         let currentPlayPos = 0;