// Generated by CoffeeScript 1.10.0
var bgViewer;

bgViewer = (function() {
  var dn, move, up;

  dn = function(e) {
    this.isStop = false;
    this.sx = this.lx = e.pageX || (e.originalEvent && e.originalEvent.touches && e.originalEvent.touches[0] && e.originalEvent.touches[0].pageX) || 0;
    this.sy = this.ly = e.pageY || (e.originalEvent && e.originalEvent.touches && e.originalEvent.touches[0] && e.originalEvent.touches[0].pageY) || 0;
	setTimeout(function(){ $("#pan").removeClass("noclick"); }, 30);
    return false;
  };

  up = function(e) {
	
	var open = $("#overlay_viewer #pan").length;
	if ( open )
	{
		window.pgLoad.closePan(); // set timeout function prevents close aobe in dn function
	}else{
		//document.openPan();
	}  
	  
    this.isStop = true;
    return false;
  };

  move = function(e) {
    var dx, dy, x, y;
    if (this.isStop) {
      return;
    }
    x = e.pageX || (e.originalEvent && e.originalEvent.touches && e.originalEvent.touches[0] && e.originalEvent.touches[0].pageX) || 0;
    y = e.pageY || (e.originalEvent && e.originalEvent.touches && e.originalEvent.touches[0] && e.originalEvent.touches[0].pageY) || 0;
    dx = x - this.lx;
    dy = y - this.ly;
    if (Math.abs(x - this.sx) < this.filter && Math.abs(y - this.sy) < this.filter) {
	  return;
    }
    this.lx = x;
    this.ly = y;
    this.x = (this.x + dx) % this.w;
    this.y = (this.y + dy) % this.h;
    this.cnt.css({
      'background-position': this.x + 'px ' + this.y + 'px'
    });
	$("#pan").addClass("noclick");
    return false;
  };

  bgViewer.prototype.free = function() {
    this.cnt.off('mousedown touchstart', this.dnxt).off('mouseup touchend', this.upxt).off('mousemove touchmove', this.movext);
    return this;
  };

  bgViewer.prototype.url = function(src) {
    this.src = src;
    this.img = new Image;
    this.img.src = src;
    $(this.img).on('load', (function(_this) {
      return function(e) {
        _this.w = _this.img.width;
        return _this.h = _this.img.height;
      };
    })(this));
    this.cnt.css({
      'background-image': 'url(' + src + ')',
      'background-position': '0px 0px'
    });
    this.x = 0;
    this.y = 0;
    this.lx = 0;
    this.ly = 0;
    this.sx = 0;
    this.sx = 0;
    return this;
  };

  function bgViewer(cnt, src1, filter) {
    var t;
    this.cnt = cnt;
    this.src = src1 != null ? src1 : '';
    this.filter = filter != null ? filter : 5;
    this.cnt.css({
      'overflow': 'hidden',
      'background-repeat': 'repeat',
      'background-position': '0px 0px',
      'cursor': 'move'
    });
    this.x = 0;
    this.y = 0;
    this.lx = 0;
    this.ly = 0;
    this.sx = 0;
    this.sx = 0;
    this.isStop = true;
    t = this;
    this.dnxt = function(e) {
      return dn.call(t, e);
    };
    this.upxt = function(e) {
      return up.call(t, e);
    };
    this.movext = function(e) {
      return move.call(t, e);
    };
    this.cnt.on('mousedown touchstart', this.dnxt).on('mousemove touchmove', this.movext).on('mouseup touchend', this.upxt);
    this.cnt[0].bgviewer = this;
    this.url(this.src);
  }

  return bgViewer;

})();

//# sourceMappingURL=bgviewer.js.map