fix(ajax player): reset tracks on player close

Web/static/js/al_music.js

@@ -307,11 +307,11 @@ window.player = new class {
         this.dashPlayer.initialize(this.audioPlayer, c_track.url, false);
         this.dashPlayer.setProtectionData(protData)
 
-        if(!this.nextTrack && Math.max(...this.context["playedPages"]) < this.context["pagesCount"]) {
+        if(!this.nextTrack && this.hasContext() && Math.max(...this.context["playedPages"]) < this.context["pagesCount"]) {
             await this.loadContext(Number(Math.max(...this.context["playedPages"])) + 1, true)
         }
 
-        if(!this.previousTrack && (Math.min(...this.context["playedPages"]) > 1)) {
+        if(!this.previousTrack && this.hasContext() && (Math.min(...this.context["playedPages"]) > 1)) {
             await this.loadContext(Math.min(...this.context["playedPages"]) - 1, false)
         }
 
@@ -324,6 +324,10 @@ window.player = new class {
         u(this.audioPlayer).trigger('volumechange')
     }
 
+    hasContext() {
+        return this.context.object && this.context.object.url
+    }
+
     switchTracks(id1, id2) {
         const first_audio = this.__findTrack(id1)
         const first_audio_index = this.__findTrack(id1, true)
@@ -449,6 +453,10 @@ window.player = new class {
 
     // Добавляем ощущение продуманности.
     __highlightActiveTrack() {
+        if(!this.isAtCurrentContextPage()) {
+            return
+        }
+
         u(`.audiosContainer .audioEmbed[data-realid='${this.current_track_id}'] .audioEntry, .audios_padding .audioEmbed[data-realid='${this.current_track_id}'] .audioEntry`).addClass('nowPlaying')
     }
 
@@ -488,11 +496,14 @@ window.player = new class {
                 if(this.audioPlayer.paused) {
                     return
                 }
+                if(!this.current_track_id || this.current_track_id == 0) {
+                    return
+                }
                 this.ajCreate()
                 this.__updateFace()
             }
         } else {
-            this.ajClose(false)
+            this.ajClose(false, false)
             this.is_closed = false
             if(this.tracks.length < 1) {
                 if(window.__current_page_audio_context) {
@@ -682,11 +693,18 @@ window.player = new class {
         }
     }
 
-    ajClose(pause = true) {
+    ajClose(pause = true, clearTracks = true) {
         this.is_closed = true
         if(pause) {
             this.pause()
         }
+        if(clearTracks) {
+            this.__resetContext()
+            this.__updateFace()
+            this.current_track_id = null
+            this.audioPlayer.currentTime = 0
+            this.undump()
+        }
        
         u('#ajax_audio_player').addClass('hidden')
     }

Web/static/js/al_wall.js

@@ -2372,6 +2372,10 @@ const showMoreObserver = new IntersectionObserver(entries => {
                 return
             }
 
+            /*if(window.player && window.player.isAtAudiosPage() && !window.player.isAtCurrentContextPage()) {
+                return
+            }*/
+            
             const target = u(x.target)
             if(target.length < 1 || target.hasClass('paginator-at-top')) {
                 return