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Editing: lg-video.js

/*! lg-video - v1.2.2 - 2018-05-01
* http://sachinchoolur.github.io/lightGallery
* Copyright (c) 2018 Sachin N; Licensed GPLv3 */

(function() {
    
        'use strict';
    
        var defaults = {
            videoMaxWidth: '855px',

autoplayFirstVideo: true,

youtubePlayerParams: false,
            vimeoPlayerParams: false,
            dailymotionPlayerParams: false,
            vkPlayerParams: false,

videojs: false,
            videojsOptions: {}
        };
    
        var Video = function(element) {
    
            this.core = $(element).data('lightGallery');
    
            this.$el = $(element);
            this.core.s = $.extend({}, defaults, this.core.s);
            this.videoLoaded = false;
    
            this.init();
    
            return this;
        };
    
        Video.prototype.init = function() {
            var _this = this;
    
            // Event triggered when video url found without poster
            _this.core.$el.on('hasVideo.lg.tm', onHasVideo.bind(this));
    
            // Set max width for video
            _this.core.$el.on('onAferAppendSlide.lg.tm', onAferAppendSlide.bind(this));
    
            if (_this.core.doCss() && (_this.core.$items.length > 1) && (_this.core.s.enableSwipe || _this.core.s.enableDrag)) {
                _this.core.$el.on('onSlideClick.lg.tm', function() {
                    var $el = _this.core.$slide.eq(_this.core.index);
                    _this.loadVideoOnclick($el);
                });
            } else {
    
                // For IE 9 and bellow
                _this.core.$slide.on('click.lg', function() {
                    _this.loadVideoOnclick($(this));
                });
            }
    
            _this.core.$el.on('onBeforeSlide.lg.tm', onBeforeSlide.bind(this));
    
            _this.core.$el.on('onAfterSlide.lg.tm', function(event, prevIndex) {
                _this.core.$slide.eq(prevIndex).removeClass('lg-video-playing');
            });
            
            if (_this.core.s.autoplayFirstVideo) {
                _this.core.$el.on('onAferAppendSlide.lg.tm', function (e, index) {
                    if (!_this.core.lGalleryOn) {
                        var $el = _this.core.$slide.eq(index);
                        setTimeout(function () {
                            _this.loadVideoOnclick($el);
                        }, 100);
                    }
                });
            }
        };
    
        Video.prototype.loadVideo = function(src, addClass, noPoster, index, html) {
            var video = '';
            var autoplay = 1;
            var a = '';
            var isVideo = this.core.isVideo(src, index) || {};
    
            // Enable autoplay based on setting for first video if poster doesn't exist
            if (noPoster) {
                if (this.videoLoaded) {
                    autoplay = 0;
                } else {
                    autoplay = this.core.s.autoplayFirstVideo ? 1 : 0;
                }
            }
    
            if (isVideo.youtube) {
    
                a = '?wmode=opaque&autoplay=' + autoplay + '&enablejsapi=1';
                if (this.core.s.youtubePlayerParams) {
                    a = a + '&' + $.param(this.core.s.youtubePlayerParams);
                }
    
                video = '<iframe class="lg-video-object lg-youtube ' + addClass + '" width="560" height="315" src="//www.youtube.com/embed/' + isVideo.youtube[1] + a + '" frameborder="0" allowfullscreen></iframe>';
    
            } else if (isVideo.vimeo) {
    
                a = '?autoplay=' + autoplay + '&api=1';
                if (this.core.s.vimeoPlayerParams) {
                    a = a + '&' + $.param(this.core.s.vimeoPlayerParams);
                }
    
                video = '<iframe class="lg-video-object lg-vimeo ' + addClass + '" width="560" height="315"  src="//player.vimeo.com/video/' + isVideo.vimeo[1] + a + '" frameborder="0" webkitAllowFullScreen mozallowfullscreen allowFullScreen></iframe>';
    
            } else if (isVideo.dailymotion) {
    
                a = '?wmode=opaque&autoplay=' + autoplay + '&api=postMessage';
                if (this.core.s.dailymotionPlayerParams) {
                    a = a + '&' + $.param(this.core.s.dailymotionPlayerParams);
                }
    
                video = '<iframe class="lg-video-object lg-dailymotion ' + addClass + '" width="560" height="315" src="//www.dailymotion.com/embed/video/' + isVideo.dailymotion[1] + a + '" frameborder="0" allowfullscreen></iframe>';
    
            } else if (isVideo.html5) {
                var fL = html.substring(0, 1);
                if (fL === '.' || fL === '#') {
                    html = $(html).html();
                }
    
                video = html;
    
            } else if (isVideo.vk) {
    
                a = '&autoplay=' + autoplay;
                if (this.core.s.vkPlayerParams) {
                    a = a + '&' + $.param(this.core.s.vkPlayerParams);
                }
    
                video = '<iframe class="lg-video-object lg-vk ' + addClass + '" width="560" height="315" src="//vk.com/video_ext.php?' + isVideo.vk[1] + a + '" frameborder="0" allowfullscreen></iframe>';
    
            }
    
            return video;
        };

Video.prototype.loadVideoOnclick = function($el){

var _this = this;
            // check slide has poster
            if ($el.find('.lg-object').hasClass('lg-has-poster') && $el.find('.lg-object').is(':visible')) {

// check already video element present
                if (!$el.hasClass('lg-has-video')) {

$el.addClass('lg-video-playing lg-has-video');

var _src;
                    var _html;
                    var _loadVideo = function(_src, _html) {

$el.find('.lg-video').append(_this.loadVideo(_src, '', false, _this.core.index, _html));

if (_html) {
                            if (_this.core.s.videojs) {
                                try {
                                    videojs(_this.core.$slide.eq(_this.core.index).find('.lg-html5').get(0), _this.core.s.videojsOptions, function() {
                                        this.play();
                                    });
                                } catch (e) {
                                    console.error('Make sure you have included videojs');
                                }
                            } else {
                                _this.core.$slide.eq(_this.core.index).find('.lg-html5').get(0).play();
                            }
                        }

};

if (_this.core.s.dynamic) {

_src = _this.core.s.dynamicEl[_this.core.index].src;
                        _html = _this.core.s.dynamicEl[_this.core.index].html;

_loadVideo(_src, _html);

} else {

_src = _this.core.$items.eq(_this.core.index).attr('href') || _this.core.$items.eq(_this.core.index).attr('data-src');
                        _html = _this.core.$items.eq(_this.core.index).attr('data-html');

_loadVideo(_src, _html);

}

var $tempImg = $el.find('.lg-object');
                    $el.find('.lg-video').append($tempImg);

// @todo loading icon for html5 videos also
                    // for showing the loading indicator while loading video
                    if (!$el.find('.lg-video-object').hasClass('lg-html5')) {
                        $el.removeClass('lg-complete');
                        $el.find('.lg-video-object').on('load.lg error.lg', function() {
                            $el.addClass('lg-complete');
                        });
                    }

} else {

} else if (html5Player) {
                        if (_this.core.s.videojs) {
                            try {
                                videojs(html5Player).play();
                            } catch (e) {
                                console.error('Make sure you have included videojs');
                            }
                        } else {
                            html5Player.play();
                        }
                    }

$el.addClass('lg-video-playing');

}
            }
        };
    
        Video.prototype.destroy = function() {
            this.videoLoaded = false;
        };

function onAferAppendSlide(event, index) {
            /*jshint validthis:true */
            var $videoCont = this.core.$slide.eq(index).find('.lg-video-cont');
            if (!$videoCont.hasClass('lg-has-iframe')) {
                $videoCont.css('max-width', this.core.s.videoMaxWidth);
                this.videoLoaded = true;
            }
        }

function onBeforeSlide(event, prevIndex, index) {
            /*jshint validthis:true */
            var _this = this;

} else if (html5Player) {
                if (_this.core.s.videojs) {
                    try {
                        videojs(html5Player).pause();
                    } catch (e) {
                        console.error('Make sure you have included videojs');
                    }
                } else {
                    html5Player.pause();
                }
            } if (vkPlayer) {
                $(vkPlayer).attr('src', $(vkPlayer).attr('src').replace('&autoplay', '&noplay'));
            }

var _src;
            if (_this.core.s.dynamic) {
                _src = _this.core.s.dynamicEl[index].src;
            } else {
                _src = _this.core.$items.eq(index).attr('href') || _this.core.$items.eq(index).attr('data-src');

}

var _isVideo = _this.core.isVideo(_src, index) || {};
            if (_isVideo.youtube || _isVideo.vimeo || _isVideo.dailymotion || _isVideo.vk) {
                _this.core.$outer.addClass('lg-hide-download');
            }

}
    
        $.fn.lightGallery.modules.video = Video;
    
    })();

}));

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