From a0ecf24dedf8ecde4630499274fa108e9eb1d8ff Mon Sep 17 00:00:00 2001
From: ulrich
Date: Fri, 22 Nov 2024 08:21:50 +0000
Subject: [PATCH] Angaben in Readme praezisiert.
---
www/js/app.js | 184 ++++++++++++++++++---------------------------
1 files changed, 74 insertions(+), 110 deletions(-)
diff --git a/www/js/app.js b/www/js/app.js
index fa85ba9..fafbd3d 100644
--- a/www/js/app.js
+++ b/www/js/app.js
@@ -11,6 +11,7 @@
var audioCtx;
var playState; // 'pause' oder 'play' oder 'stop'
var audioElem;
+ var playingList;
this.init = function () {
self.mediaPfad = '/';
@@ -363,7 +364,10 @@
self.addEvtListener('#pause-btn', 'click', function() {
self.kommando('pause');
});
- self.addEvtListener('#weiter-btn', 'click', self.weiter);
+ //self.addEvtListener('#weiter-btn', 'click', self.weiter);
+ self.addEvtListener('#weiter-btn', 'click', function() {
+ self.kommando('next');
+ });
self.addEvtListener('#hier-btn', 'click', self.hier_spielen);
@@ -481,32 +485,47 @@
}
};
+ /*
+ * DEPRECATED
+ */
this.weiter = function() {
- var bereichName = document.querySelector('.bereich-name').textContent;
- if(bereichName === '') {
- var titel = self.titelErmitteln(document.querySelector(".selected"));
- var playername = document.querySelector('#abspieler').value;
- console.log('plname: ' + playername + ' url: ' + titel.katalogUrl + titel.pfad + titel.name);
- self.http_post('api/strg/' + playername + '/weiter/titel', JSON.stringify(titel), function(responseText) {
- self.meldung_mit_timeout(responseText, 1500);
- });
- }
+ //var bereichName = document.querySelector('.bereich-name').textContent;
+ //if(bereichName === '') {
+ // var titel = self.titelErmitteln(document.querySelector(".selected"));
+ // var playername = document.querySelector('#abspieler').value;
+ // console.log('plname: ' + playername + ' url: ' + titel.katalogUrl + titel.pfad + titel.name);
+ // self.http_post('api/strg/' + playername + '/weiter/titel', JSON.stringify(titel), function(responseText) {
+ // self.meldung_mit_timeout(responseText, 1500);
+ // });
+ //}
};
+ /*
+ * Ein Abspieler-Kommando ausfuehren. Der Client entscheidet anhand
+ * des Indikators self.playingIndex, ob 'hier spielen' gewaehlt wurde
+ * (playingIndex groesser -1) oder das Kommando an den Server gehen soll.
+ *
+ * self.kommendo('play') wird nur von der Schaltflaeche 'hier spielen' gerufen.
+ * Die Schaltflaeche Play ist mit self.play verknuepft (s.o.) und spielt Listen
+ * oder Titel ueber des Server und Calypso.
+ *
+ * @param {type} kommando stop, pause, next, play
+ * @returns nichts
+ */
this.kommando = function(kommando) {
console.log(kommando);
if(self.playingIndex > -1) {
- //const audioElements = document.querySelectorAll('.entity-eintrag');
- //const audioElements = document.querySelectorAll("audio");
- //const audioCtx = new (window.AudioContext || window.webkitAudioContext)();
- //const track = self.audioCtx.createMediaElementSource(audioElements[self.playingIndex]);
- //track.connect(self.audioCtx.destination);
if(kommando === 'stop') {
self.audioElem.pause();
self.audioElem.currentTime = 0;
self.audioElem.removeEventListener("ended", self.nextTrack);
self.playingIndex = -1;
self.playState = 'stop';
+ } else if(kommando === 'next') {
+ const curidx = self.playingIndex;
+ self.kommando('stop');
+ self.playingIndex = curidx;
+ self.nextTrack();
} else if(kommando === 'pause') {
if(self.playState === 'pause') {
self.playState = 'play';
@@ -562,116 +581,56 @@
console.log(
"play playlist.value: " + document.querySelector('#playlist').value +
", abspieler.value: " + document.querySelector('#abspieler').value);
- // hier noch URL fuer Stream der Abspielliste abrufen
- // Es muss auch noch die Funktion auf dem Server gabut werden, die
- // eine Abspielliste als Stream liefert
- //url = 'Stream fuer Abspielliste ' + lst + ' noch nicht gebaut.';
- //self.hier_spielen_liste();
self.playingIndex = -1;
self.nextTrack();
}
- //console.log('url: ' + url);
- //window.open(url);
};
- this.hier_spielen_liste = function() {
- const elements = document.querySelectorAll('.entity-eintrag');
-
- //var i = 0;
- //var ersterTitel;
- //elements.forEach(function (element) {
- // const attr = element.attributes;
- // var titel = host + attr.getNamedItem('data-kat').value +
- // attr.getNamedItem('data-pfad').value + attr.getNamedItem('data-datei').value;
- // console.log(titel);
- // + element.data-pfad + element.data-datei);
- // if(i++ === 0) {
- // ersterTitel = titel;
- // }
- //});
-
-
- // Web Audio API Player ab hier
-
- //const audioCtx = new (window.AudioContext || window.webkitAudioContext)();
-
- //const AudioContext = window.AudioContext || window.webkitAudioContext;
- //const audioContext = new AudioContext();
-
- // get the audio elements
- self.playingIndex = -1;
- //const audioElements = document.querySelectorAll("audio");
-
- // pass it into the audio context
- //const track = audioCtx.createMediaElementSource(audioElements[self.playingIndex]);
- //track.connect(audioCtx.destination);
-
- //audioElements[self.playingIndex].addEventListener(
- // "ended",
- // () => {
- //
- // },
- // false
- //);
-
- //audioElements[self.playingIndex].play();
- self.nextTrack();
- };
-
this.nextTrack = function() {
- // ...
- // mySound = new Audio('sound.mp3');
- // mySound.play()
- // const audioElements = document.querySelectorAll("audio");
- const audioElements = document.querySelectorAll('.entity-eintrag');
+ /*
+
+ {
+ "katalogUrl":"/media",
+ "pfad":"/Musik/M/Bruno-Mars/",
+ "name":"04-Uptown-Funk.mp3",
+ "interpret":"Mark Ronson feat Bruno Mars",
+ "titelAnzName":"Uptown Funk",
+ "album":"Uptown Special Explicit"
+ }
-
-
+ */
+ //const plname = document.querySelector('#playlist').value;
if(self.playingIndex > -1) {
self.audioElem.removeEventListener("ended", self.nextTrack);
- //audioElements[self.playingIndex].removeEventListener("ended", self.nextTrack);
- //const element = audioElements[self.playingIndex];
- //const attr = element.attributes;
- //var titel = host + attr.getNamedItem('data-kat').value +
- // attr.getNamedItem('data-pfad').value + attr.getNamedItem('data-datei').value;
- //const titelElem = new Audio(titel);
+ } else {
+ self.playingList = document.querySelector('#playlist').value;
}
- // <audio class='audio-elem' src='/tango{{katalogUrl}}{{pfad}}{{name}}'></audio>
self.playingIndex++;
- if(self.playingIndex < audioElements.length) {
- //const element = audioElements[self.playingIndex];
- //const attr = element.attributes;
- //var titel = host + attr.getNamedItem('data-kat').value +
- // attr.getNamedItem('data-pfad').value + attr.getNamedItem('data-datei').value;
- const titel = self.getTitelFromAudioElement(audioElements, self.playingIndex);
- console.log("titel: " + titel);
- //const titelElem = new Audio(titel);
- self.audioElem = new Audio(titel);
-
- self.audioElem.addEventListener("ended", self.nextTrack);
- self.audioCtx = new (window.AudioContext || window.webkitAudioContext)();
- const track = self.audioCtx.createMediaElementSource(self.audioElem);
- track.connect(self.audioCtx.destination);
- self.audioElem.play();
- self.playState = 'play';
-
-
- //const audioCtx = new (window.AudioContext || window.webkitAudioContext)();
- }
+ const url = 'api/alist/' + self.playingList + "/" + self.playingIndex;
+ self.http_get(url, function(responseText){
+ if(responseText === 'eom') {
+ // ende
+ self.audioElem.removeEventListener("ended", self.nextTrack);
+ self.playingIndex = -1;
+ self.playState = 'stop';
+ } else {
+ const titel = JSON.parse(responseText);
+ console.log("titel: " + titel.name);
+ const titelUrl = self.getTitelFromJSONObj(titel);
+ //const titelElem = new Audio(titel);
+ self.audioElem = new Audio(titelUrl);
+ self.audioElem.addEventListener("ended", self.nextTrack);
+ self.audioElem.play();
+ self.playState = 'play';
+ }
+ });
};
-
- this.getTitelFromAudioElement = function(audioElements, index) {
+
+ this.getTitelFromJSONObj = function(titelObj) {
//const audioElements = document.querySelectorAll('.entity-eintrag');
const host = 'http://' + window.location.host + '/tango';
- const element = audioElements[index];
- const attr = element.attributes;
- const titel = host + attr.getNamedItem('data-kat').value +
- attr.getNamedItem('data-pfad').value + attr.getNamedItem('data-datei').value;
+ const titel = host + titelObj.katalogUrl + titelObj.pfad + titelObj.name;
return titel;
- };
-
- this.stop_liste_hier = function() {
-
};
this.gehe_zu_dialog_zeigen = function () {
@@ -765,6 +724,11 @@
self.http_delete('api/alist/' + plname + '/' + index,'', function(responseText) {
// DELETE http://localhost:9090/mz/api/alist/liste1/0
//self.meldung_mit_timeout(responseText, 1500);
+ if(self.playingList === plname) {
+ if(self.playingIndex > index) {
+ --self.playingIndex;
+ }
+ }
self.titel_liste();
});
--
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