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Playback modes for groups #33

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Playback modes for groups #33

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44 changes: 41 additions & 3 deletions buzz.js
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Original file line number Diff line number Diff line change
Expand Up @@ -36,6 +36,11 @@ var buzz = {
preload: 'metadata',
volume: 80
},
validPlaybackModes: [
'blend',
'chain',
'random'
],
types: {
'mp3': 'audio/mpeg',
'ogg': 'audio/ogg',
Expand Down Expand Up @@ -641,7 +646,13 @@ var buzz = {
group: function( sounds ) {
sounds = argsToArray( sounds, arguments );

var playbackMode = 'blend';

// publics
this.getPlaybackMode = function() {
return playbackMode;
};

this.getSounds = function() {
return sounds;
};
Expand Down Expand Up @@ -671,7 +682,9 @@ var buzz = {
};

this.play = function() {
fn( 'play' );
fn( 'play', {
mode: playbackMode
} );
return this;
};

Expand All @@ -685,6 +698,13 @@ var buzz = {
return this;
};

this.setPlaybackMode = function( mode ) {
if(buzz.validPlaybackModes.indexOf(mode) != -1) {
playbackMode = mode;
}
return this;
};

this.stop = function() {
fn( 'stop' );
return this;
Expand Down Expand Up @@ -778,8 +798,26 @@ var buzz = {
// privates
function fn() {
var args = argsToArray( null, arguments ),
func = args.shift();

func = args.shift(),
opt = args.shift();

if ( opt && typeof opt.mode === 'string' ) {
if ( opt.mode === 'random' ) {
var rnd = Math.floor( Math.random() * sounds.length );
sounds[ rnd ][ func ].apply( sounds[ rnd ], args );
return;
}
else if ( opt.mode === 'chain' ) {
var i = 0;
var handler = function(e) {
if ( ++i < sounds.length ) {
sounds[ i ][ func ].apply( sounds[ i ], args ).bindOnce('ended', handler);
}
};
sounds[ 0 ][ func ].apply( sounds[ 0 ], args ).bindOnce( 'ended', handler);
return;
}
}
for( var i = 0; i < sounds.length; i++ ) {
sounds[ i ][ func ].apply( sounds[ i ], args );
}
Expand Down