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/* global jQuery */
jQuery( document ).ready( function() {
"use strict";
if ( typeof window.elementorFrontend !== 'undefined' && elementorFrontend.isEditMode() ) {
return;
}
// Global vars
var requestAnimationFrame = trx_addons_request_animation_frame();
var _sounds = {}, // List of sounds
_playing_max = 2, // Max state: 0 - all sounds off, 1 - only effects, 2 - all sounds: effects and background
_playing_saved = trx_addons_get_cookie( 'trx_addons_audio_effects_playing', -1 ), // Saved state
_playing = _playing_saved == -1 ? 2 : parseInt(_playing_saved, 10), // Current state
_playing_bg_url_saved = trx_addons_get_cookie( 'trx_addons_audio_effects_playing_url' ), // Last played music on the previous page
_playing_bg_id = '', // Id of current background music
_playing_bg_id_next = '', // Id of next background music
_playing_bg_time = 0; // Time of current background music
var id = '', idx = 0, data, items;
var _playing_3rd_party_audio = false;
var $window = jQuery( window ),
$document = jQuery( document ),
$body = jQuery( 'body' ),
$audio_effects = jQuery( '.sc_audio_effects' );
if ( typeof TRX_ADDONS_STORAGE == 'undefined' || typeof TRX_ADDONS_STORAGE['audio_effects_allowed'] == 'undefined' || TRX_ADDONS_STORAGE['audio_effects_allowed'] != 1 || typeof window.Howl == 'undefined' ) {
init_indicator();
return;
}
// Update links and values after the new post added
$document.on( 'action.got_ajax_response', update_jquery_links );
$document.on( 'action.init_hidden_elements', update_jquery_links );
var first_run = true;
function update_jquery_links(e) {
if ( first_run && e && e.namespace == 'init_hidden_elements' ) {
first_run = false;
return;
}
// Check blocks with audio effects
jQuery( '.trx_addons_audio_effects_on:not(.audio_effects_inited)' ).each( function() {
var $self = jQuery( this ).addClass('audio_effects_inited'),
data = $self.data( 'trx-addons-audio-effects' ),
id = '';
if ( typeof data == 'object' ) {
var $items;
for (var i in data) {
$items = data[i].selectors !== '' ? $self.find( data[i].selectors ) : $self;
if ( $items.length > 0 ) {
id = add_sound( data[i], 'sc_' );
if ( id ) {
init_event_handler( id, $self );
}
}
}
}
} );
// Add listeners to audio tags
jQuery( 'audio:not(.audio_effects_listeners_inited)' ).each( function() {
var media = jQuery( this ).addClass( 'audio_effects_listeners_inited' ).get(0);
media.addEventListener( 'play', function() {
_playing_3rd_party_audio = true;
sound_stop( 'page_load' );
page_background( false );
} );
media.addEventListener( 'pause', function() {
_playing_3rd_party_audio = false;
page_background( true );
} );
media.addEventListener( 'ended', function() {
_playing_3rd_party_audio = false;
page_background( true );
} );
} );
}
// Check page settings
if ( typeof TRX_ADDONS_STORAGE['audio_effects_allowed'] != 'undefined'
&& TRX_ADDONS_STORAGE['audio_effects_allowed'] == 1
&& typeof TRX_ADDONS_STORAGE['audio_effects'] != 'undefined'
) {
for (var i = 0; i < TRX_ADDONS_STORAGE['audio_effects'].length; i++ ) {
data = TRX_ADDONS_STORAGE['audio_effects'][i];
id = add_sound( data, 'page_' );
if ( id && data.selectors && ['click', 'hover'].indexOf(data.event) != -1 ) {
items = jQuery( data.selectors );
if ( items.length > 0 ) {
init_event_handler( id, items );
}
}
}
}
// Check individual block's settings (override page settings)
update_jquery_links();
// Switch playing state off if no audio effects presents on this page
if ( idx === 0) {
_playing = 0;
} else if ( _playing_bg_id === '' ) {
_playing_max = 1;
_playing = Math.min( _playing, _playing_max );
} else {
_playing_bg_id_next = get_next_background( _playing_bg_id );
}
// Init state indicator
init_indicator();
// Play "on load" and/or "background" events
if ( _sounds.hasOwnProperty( 'page_load' ) && _sounds['page_load'].url !== '' ) {
page_load();
} else {
page_background(true);
}
// Once play sound on page load (if set)
function page_load() {
if ( _sounds.hasOwnProperty( 'page_load' ) && _sounds['page_load'].url !== '' && _playing > 0 && ! _playing_3rd_party_audio ) {
sound_play( 'page_load' );
}
}
// Infinite play sound on background (if set)
function page_background( play ) {
if ( _playing_bg_id ) {
if ( play ) {
if ( _playing > 1 && ! _playing_3rd_party_audio ) {
var time = 0;
if ( _sounds[_playing_bg_id].state === '' ) {
time = trx_addons_get_cookie( 'trx_addons_audio_effects_playing_time', 0 );
if ( time > 0 ) {
if ( _sounds[_playing_bg_id].url.substring( _sounds[_playing_bg_id].url.lastIndexOf('/') + 1 ) != trx_addons_get_cookie( 'trx_addons_audio_effects_playing_url' ) ) {
time = 0;
}
} else {
time = 0;
}
}
sound_play( _playing_bg_id, time );
}
} else {
sound_pause( _playing_bg_id );
}
}
}
// Return id of a next background (if set)
function get_next_background( id ) {
var id_next = '', i, start = false;
// Check rest sounds
for( i in _sounds ) {
if ( i == id ) {
start = true;
} else if ( start && _sounds[i].event == 'background' ) {
id_next = i;
break;
}
}
// Check from start
if ( id_next === '' ) {
start = true;
for( i in _sounds ) {
if ( i == id ) {
break;
} else if ( _sounds[i].event == 'background' ) {
id_next = i;
break;
}
}
}
return id_next;
}
// Save state of background music
function preload_next_background() {
if ( _playing_bg_id ) {
_playing_bg_time = _sounds[_playing_bg_id].howl.seek();
if ( _playing_bg_id_next && _playing_bg_id != _playing_bg_id_next && _sounds[_playing_bg_id_next].state === '' ) {
var duration = _sounds[_playing_bg_id].howl.duration();
if ( ! duration || duration - _playing_bg_time < 30 ) { // Load next bg music if left less then 30s
_sounds[_playing_bg_id_next].state = 'loading';
sound_load( _playing_bg_id_next );
}
}
setTimeout( preload_next_background, 500 );
}
}
$window.on( 'unload', function() {
trx_addons_set_cookie( 'trx_addons_audio_effects_playing_time', _playing_bg_time );
trx_addons_set_cookie( 'trx_addons_audio_effects_playing_url', _playing_bg_id ? _sounds[_playing_bg_id].url.substring( _sounds[_playing_bg_id].url.lastIndexOf('/') + 1 ) : '' );
} );
// Init event handler
function init_event_handler( id, items ) {
// Uncomment if you want preload sound on page init. Otherwise sound have been loaded on first event occur
//sound_get( id );
// Add handlers
items.each( function() {
var $self = jQuery(this),
ae_class = _sounds[id].event + '_inited',
event = _sounds[id].event.replace('hover', 'mouseenter')+'.trx_addons_audio_effects';
if ( $self.hasClass(ae_class) ) {
$self.off( event );
}
$self
.toggleClass( ae_class, true )
.on( event, get_event_handler( event, id, function(id) {
if ( _playing > 0 ) {
sound_play( id );
}
} ) );
} );
}
// Generate callback for event
function get_event_handler( event, id, cb ) {
return function(e) {
cb(id);
// No prevent default actions!
//e.preventDefault();
//return false;
};
}
// Return sound callbacks for state
function get_event_callbacks( event ) {
if ( event == 'load' ) {
return {
onend: function() {
page_background( true );
}
};
} else if ( event == 'background' ) {
return {
onplay: function() {
setTimeout( preload_next_background, 500 );
},
onend: function() {
if ( _playing_bg_id_next && _playing_bg_id != _playing_bg_id_next ) {
sound_stop( _playing_bg_id );
_playing_bg_id = _playing_bg_id_next;
_playing_bg_id_next = get_next_background( _playing_bg_id );
page_background( true );
}
}
};
}
}
// Add a sound data to the list
function add_sound( data, prefix ) {
var local = data.hasOwnProperty('local')
? ( typeof data.local == 'object' ? data.local.url : data.local )
: '',
url = local !== '' ? local : data.link,
id = '';
if ( url ) {
id = prefix + data.event + ( 'load' != data.event ? '_' + idx : '' );
idx++;
_sounds[ id ] = {
event: data.event,
selectors: data.hasOwnProperty('selectors') ? data.selectors : '',
state: '',
howl: null,
sound_id: null,
loop: data.hasOwnProperty('loop') ? data.loop : 'background' == data.event,
preload: data.hasOwnProperty('preload') ? data.preload : 'background' != data.event || _playing_bg_id === '',
url: url,
volume: Math.max( 0, Math.min( 100, typeof data.volume == 'object' ? data.volume.size : data.volume ) ) / 100,
callbacks: get_event_callbacks( data.event )
};
if ( data.event == 'background' ) {
if ( _playing_bg_id === '' || ( _playing_bg_url_saved && url.substring( url.lastIndexOf('/') + 1 ) == _playing_bg_url_saved ) ) {
if ( _playing_bg_id !== '' ) {
_sounds[ _playing_bg_id ].preload = false;
}
_playing_bg_id = id;
_sounds[ _playing_bg_id ].preload = true;
}
}
}
return id;
}
// Sound control utilities
//--------------------------------
// Play/Resume specified sound
function sound_play( id, time ) {
if ( _sounds.hasOwnProperty( id ) && _sounds[id].url !== '' ) {
var howl = sound_get( id );
if ( howl ) {
if ( true || _sounds[id].state !== '' ) { // Play immediately
// Remove false if you want to stop current playing before a new started
if ( false && _sounds[id].sound_id && _sounds[id].state == 'playing' ) {
howl.stop( _sounds[id].sound_id );
_sounds[id].sound_id = null;
}
_sounds[id].sound_id = howl.play();
if ( time > 0 && _sounds[id].sound_id ) {
howl.seek( time, _sounds[id].sound_id );
}
} else { // Play on loaded
howl.once( 'load', function() {
_sounds[id].sound_id = howl.play();
} );
}
}
}
}
// Pause specified sound
function sound_pause( id ) {
if ( _sounds.hasOwnProperty( id ) && _sounds[id].howl ) {
_sounds[id].howl.pause();
}
}
// Stop specified sound
function sound_stop( id ) {
if ( _sounds.hasOwnProperty( id ) && _sounds[id].howl ) {
_sounds[id].howl.stop();
}
}
// Load specified sound
function sound_load( id ) {
if ( _sounds.hasOwnProperty( id ) && _sounds[id].url !== '' ) {
var howl = sound_get( id );
if ( howl ) {
howl.load();
}
}
}
// Create sound object and preload sound
function sound_get( id ) {
var howl = false,
cb = {};
if ( _sounds.hasOwnProperty( id ) && _sounds[id].url !== '' ) {
if ( ! _sounds[id].howl ) {
if ( _sounds[id].callbacks ) {
cb = _sounds[id].callbacks;
}
howl = _sounds[id].howl = new Howl( {
// Options
src: [ _sounds[id].url ],
//html5: true, // Force to HTML5 so that the audio can stream in (best for large files).
preload: _sounds[id].preload,
loop: _sounds[id].loop,
volume: _sounds[id].volume,
// Events
onplayerror: function( sound_id, error ) {
},
onplay: function( sound_id ) {
_sounds[id].state = 'playing';
// ToDo: Actions while sound playing.
// For example: Display the duration.
// duration.innerHTML = self.formatTime(Math.round(sound.duration()));
if ( cb.hasOwnProperty( 'onplay' ) ) {
cb.onplay( _sounds[id], sound_id );
}
},
onload: function( sound_id ) {
if ( _sounds[id].state === '' || _sounds[id].state === 'loading' ) {
_sounds[id].state = 'loaded';
}
// ToDo: Actions on a sound file is loaded.
if ( cb.hasOwnProperty( 'onload' ) ) {
cb.onload( _sounds[id], sound_id );
}
},
onend: function( sound_id ) {
_sounds[id].state = 'finished';
// ToDo: Actions on end playing.
if ( cb.hasOwnProperty( 'onend' ) ) {
cb.onend( _sounds[id], sound_id );
}
},
onpause: function( sound_id ) {
_sounds[id].state = 'paused';
// ToDo: Actions on pause.
if ( cb.hasOwnProperty( 'onpause' ) ) {
cb.onpause( _sounds[id], sound_id );
}
},
onstop: function( sound_id ) {
_sounds[id].state = 'stopped';
// ToDo: Actions on stop playing.
if ( cb.hasOwnProperty( 'onstop' ) ) {
cb.onstop( _sounds[id], sound_id );
}
},
onseek: function( sound_id ) {
// ToDo: Actions on seek.
if ( cb.hasOwnProperty( 'onseek' ) ) {
cb.onseek( _sounds[id], sound_id );
}
}
} );
} else {
howl = _sounds[id].howl;
}
}
return howl;
}
// Button/Indicator Audio Effects
//---------------------------------------
function init_indicator() {
$audio_effects.each( function() {
jQuery(this)
.addClass( 'audio_effects_inited sc_audio_effects_' + ( idx === 0 || _playing === 0 ? 'off' : ( _playing == 1 ? 'events' : 'on') ) )
.on('click', function(e) {
if ( idx > 0 ) {
_playing = ( _playing + 1 ) % ( _playing_max + 1 );
trx_addons_set_cookie( 'trx_addons_audio_effects_playing', _playing );
$audio_effects
.removeClass('sc_audio_effects_on sc_audio_effects_off sc_audio_effects_events')
.addClass( 'sc_audio_effects_' + ( _playing === 0 ? 'off' : ( _playing == 1 ? 'events' : 'on') ) );
page_background( _playing > 1 );
}
e.preventDefault();
return false;
});
} );
}
});