https://www.hinduscriptures.in/scripts/mp3/jquery.dbj_sound.js

1/**
2* DBJ-SOUND 1.0.2
3* jQuery dbj_sound plugin (no flash, or any other simillar control used)
4* 
5* Loosely inspired on code by Joern Zaefferer (also Jules Gravinese http://www.webveteran.com/ ) 
6* 
7* Copyright (c) 2009 Dusan Jovanovic ( http://dbj.org ) 
8* 
9* Licensed under the MIT license:
10*   http://www.opensource.org/licenses/mit-license.php
11*
12************************************************************************************   
13* Crash course:
14* 
15* return sound file url from host element
16* host must be valid html element with attribute href present
17* $.dbj_sound.url( host_element )
18*
19* play a sound as defined by the href of the host_element
20* if looping arg present, then loop
21* $.dbj_sound.play( host_element, looping )
22*
23* play "forever" a sound as defined by the href of the host_element
24* $.dbj_sound.loop( host_element )
25*
26* stop a playback of the sound from the href of the host_element
27* $.dbj_sound.stop( host_element )
28* 
29* return true if sounds are on and sound defined by href of the host_element
30* is playing
31* $.dbj_sound.playing( host_element )
32* 
33* toggle on/off all sounds on the current page, controlled by this plugin
34* $.dbj_sound.enabledisable( host_element )
35* 
36*/
37
38(function ($) {
39    $.dbj_sound = {
40        tracks: {},
41        enabled: true,
42
43        url: function (host_element) {
44            var url = $(host_element).attr("href");
45            if ("undefined" == typeof (url)) throw new Error(0xFF, "DBJ-SOUND EXCEPTION: host element invalid or missing a valid HREF attribute");
46            return url;
47        },
48
49        loop: function (host_element) { this.play(host_element, true); },
50
51        play: function (host_element, looping) {
52            //            
53            var sound_jq = function (src) {
54                /* I might introduce this for very old browsers, or ... ?
55                if ($.browser.msie)
56                return $('<bgsound/>').attr({ src: options.track,
57                loop: "infinite", // dbj changed from 1
58                autostart: true
59                }); */
60                //
61                return $('<embed />').attr({
62                    style: "height:0;",
63                    loop: (looping ? "true" : "false"),
64                    src: options.track,
65                    autostart: "true"
66                    //hidden: "true"
67                });
68            }
69
70            // sanity checks
71            if (!this.enabled) return;
72            if (!host_element) return;
73
74            var options = { track: this.url(host_element) };
75            if (this.tracks[options.track]) {
76                var current = this.tracks[options.track];
77                current.remove();
78            }
79
80            var element = sound_jq();
81            element.appendTo(document.body);            
82            this.tracks[options.track] = element;
83            return element; // which is jQuery object 
84        }
85
86        // DBJ added
87        , stop: function (host_element) {
88            var url = this.url(host_element);
89            if (this.tracks[url]) {
90                var current = this.tracks[url];
91                // Check when Stop is avaiable, but not on a jQuery object
92                if ('undefined' != typeof [0].Stop) current[0].Stop();
93                else if ('undefined' != typeof current[0].stop) current[0].stop();
94                current.remove();
95                this.tracks[url] = null;
96            }
97        }
98
99        // DBJ added
100        , playing: function (host_element) {
101            if (!$.dbj_sound.enabled) return false;
102            return this.tracks[this.url(host_element)] != null;
103        }
104
105        // DBJ added
106        , enabledisable: function () {
107            this.enabled = !this.enabled;
108            if (this.enabled == false)
109                for (var j in this.tracks) {
110                    if (this.tracks[j]) {
111                        this.tracks[j].remove();
112                        this.tracks[j] = null;
113                    }
114                }
115            return this.enabled;
116        }
117
118    };
119
120})(jQuery);