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js/lg-fullscreen.js 2.97 KB
4ca21c3e   Alexey Boroda   first commit
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  (function($, window, document, undefined) {
  
      'use strict';
  
      var defaults = {
          fullScreen: true
      };
  
      var Fullscreen = function(element) {
  
          // get lightGallery core plugin data
          this.core = $(element).data('lightGallery');
  
          this.$el = $(element);
  
          // extend module defalut settings with lightGallery core settings
          this.core.s = $.extend({}, defaults, this.core.s);
  
          this.init();
  
          return this;
      };
  
      Fullscreen.prototype.init = function() {
          var fullScreen = '';
          if (this.core.s.fullScreen) {
  
              // check for fullscreen browser support
              if (!document.fullscreenEnabled && !document.webkitFullscreenEnabled &&
                  !document.mozFullScreenEnabled && !document.msFullscreenEnabled) {
                  return;
              } else {
                  fullScreen = '<span class="lg-fullscreen lg-icon"></span>';
                  this.core.$outer.find('.lg-toolbar').append(fullScreen);
                  this.fullScreen();
              }
          }
      };
  
      Fullscreen.prototype.requestFullscreen = function() {
          var el = document.documentElement;
          if (el.requestFullscreen) {
              el.requestFullscreen();
          } else if (el.msRequestFullscreen) {
              el.msRequestFullscreen();
          } else if (el.mozRequestFullScreen) {
              el.mozRequestFullScreen();
          } else if (el.webkitRequestFullscreen) {
              el.webkitRequestFullscreen();
          }
      };
  
      Fullscreen.prototype.exitFullscreen = function() {
          if (document.exitFullscreen) {
              document.exitFullscreen();
          } else if (document.msExitFullscreen) {
              document.msExitFullscreen();
          } else if (document.mozCancelFullScreen) {
              document.mozCancelFullScreen();
          } else if (document.webkitExitFullscreen) {
              document.webkitExitFullscreen();
          }
      };
  
      // https://developer.mozilla.org/en-US/docs/Web/Guide/API/DOM/Using_full_screen_mode
      Fullscreen.prototype.fullScreen = function() {
          var _this = this;
  
          $(document).on('fullscreenchange.lg webkitfullscreenchange.lg mozfullscreenchange.lg MSFullscreenChange.lg', function() {
              _this.core.$outer.toggleClass('lg-fullscreen-on');
          });
  
          this.core.$outer.find('.lg-fullscreen').on('click.lg', function() {
              if (!document.fullscreenElement &&
                  !document.mozFullScreenElement && !document.webkitFullscreenElement && !document.msFullscreenElement) {
                  _this.requestFullscreen();
              } else {
                  _this.exitFullscreen();
              }
          });
  
      };
  
      Fullscreen.prototype.destroy = function() {
  
          // exit from fullscreen if activated
          this.exitFullscreen();
  
          $(document).off('fullscreenchange.lg webkitfullscreenchange.lg mozfullscreenchange.lg MSFullscreenChange.lg');
      };
  
      $.fn.lightGallery.modules.fullscreen = Fullscreen;
  
  })(jQuery, window, document);