source: extensions/piwigo_mobile/ios/www/js/scrollview.js @ 12411

function ResizePageContentHeight(page)
{
        var $page = $(page);
        var $content = $page.children(".ui-content");
        var hh = $page.children(".ui-header").outerHeight(); hh = hh ? hh : 0;
        var fh = $page.children(".ui-footer").outerHeight(); fh = fh ? fh : 0;
        var pt = parseFloat($content.css("padding-top"));
        var pb = parseFloat($content.css("padding-bottom"));
        var wh = window.innerHeight;
        $content.height(wh - (hh + fh) - (pt + pb));
}

$(":jqmData(role='page')").live("pageshow", function(event) {
        var $page = $(this);

        // For the demos that use this script, we want the content area of each
        // page to be scrollable in the 'y' direction.

        $page.find(".ui-content").attr("data-"+ $.mobile.ns +"scroll", "y");

        // This code that looks for [data-scroll] will eventually be folded
        // into the jqm page processing code when scrollview support is "official"
        // instead of "experimental".

        $page.find(":jqmData(scroll):not(.ui-scrollview-clip)").each(function(){
                var $this = $(this);
                // XXX: Remove this check for ui-scrolllistview once we've
                //      integrated list divider support into the main scrollview class.
                if ($this.hasClass("ui-scrolllistview"))
                        $this.scrolllistview();
                else
                {
                        var st = $this.jqmData("scroll") + "";
                        var paging = st && st.search(/^[xy]p$/) != -1;
                        var dir = st && st.search(/^[xy]/) != -1 ? st.charAt(0) : null;

                        var opts = {};
                        if (dir)
                                opts.direction = dir;
                        if (paging)
                                opts.pagingEnabled = true;

                        var method = $this.jqmData("scroll-method");
                        if (method)
                                opts.scrollMethod = method;

                        $this.scrollview(opts);
                }
        });

        // For the demos, we want to make sure the page being shown has a content
        // area that is sized to fit completely within the viewport. This should
        // also handle the case where pages are loaded dynamically.

        ResizePageContentHeight(event.target);
});

$(window).bind("orientationchange", function(event) {
        ResizePageContentHeight($(".ui-page"));
});

// $().isChildOf
(function ($) {
   $.fn.extend({
      isChildOf: function (filter_string) {

         var parents = $(this).parents().get();

         for (j = 0; j < parents.length; j++) {
            if ($(parents[j]).is(filter_string)) {
               return true;
            }
         }

         return false;
      }
   });
})(jQuery); 

$(function () {
   document.addEventListener('touchmove', function (e) { if (!IsSlider()) { e.preventDefault(); } }, true);
});


var hd = $.mobile.scrollview.prototype._handleDragStart;
var hm = $.mobile.scrollview.prototype._handleDragMove;
var hu = $.mobile.scrollview.prototype._handleDragStop;

function IsSlider(e) {
   var element = $(e);
   return element.hasClass('ui-slider')
      || element.hasClass('noscroll')
      || element.isChildOf('.noscroll');
}

$.mobile.scrollview.prototype._handleDragStart = function (e, x, y) {
   if (IsSlider(e.target)) return; 

   hd.call(this, e, x, y);
};

$.mobile.scrollview.prototype._handleDragMove = function (e, x, y) {
   if (IsSlider(e.target)) {
      e.preventDefault();

      return;
   } 

   hm.call(this, e, x, y);
};

$.mobile.scrollview.prototype._handleDragStop = function (e) {
   if (IsSlider(e.target)) return; 

   hu.call(this, e);
};