Cydia.app/storage.js

   1 var colors = ["#9090e0", "#4d4d70", "#7d7da0", "#7da0e0", "#d0d0f0", "#7070e0"];
   2
   3 var list = function (legend, color, name, value) {
   4     legend.append('<div class="key">' +
   5         '<div class="color" style="background-color: ' + color + '"><div></div></div>' +
   6         '<div class="name">' + name + ' (' + Math.round(value * 1000) / 10 + '%)</div>' +
   7     '</div>');
   8 };
   9
  10 console.log(cydia.statfs("/"));
  11
  12 var cut = function (parent, color, fraction, z) {
  13     var deg = Math.round(360 * fraction);
  14     if (deg < 2)
  15         deg = 2;
  16     parent.append('<div class="xslice" style="' +
  17         'background-color: ' + color + ';' +
  18         '-webkit-transform: rotate(' + deg + 'deg);' +
  19         'z-index: ' + z + ';' +
  20     '"></div>');
  21 };
  22
  23 var chart = function (right, left, slices) {
  24     var total = 0;
  25     for (var i = 0; i != slices.length; ++i) {
  26         var slice = slices[i];
  27         var z = slices.length - i;
  28         if (slice[1] > 0.5)
  29             cut(right, slice[0], total + 0.5, z);
  30         total += slice[1];
  31         cut(total > 0.5 ? left : right, slice[0], total, z);
  32     }
  33 };
  34
  35 var setup = function (name, root, folders) {
  36     var size = $("#" + name + "-size");
  37     var statfs = cydia.statfs(root);
  38     var kb = statfs[0] * statfs[1] / 1024;
  39     var total = kb / 1024;
  40
  41     var unit;
  42     if (total < 1000)
  43         unit = 'M';
  44     else {
  45         total = total / 1024;
  46         unit = 'G'
  47     }
  48
  49     size.html(Math.round(total * 10) / 10 + " " + unit);
  50
  51     var legend = $("#" + name + "-legend");
  52     var used = 0;
  53
  54     var slices = [];
  55
  56     if (folders != null)
  57         for (var i = 0; i != folders.length; ++i) {
  58             var folder = folders[i];
  59             var usage = cydia.du(folder[1]);
  60             if (usage == null)
  61                 usage = 0;
  62             var color = colors[i + 2];
  63             var percent = usage / kb;
  64             list(legend, color, folder[0], percent);
  65             slices.push([color, percent]);
  66             used += usage;
  67         }
  68
  69     var free = statfs[0] * statfs[2] / 1024;
  70     var other = (kb - free - used) / kb;
  71
  72     slices.push([colors[0], other]);
  73     chart($("#" + name + "-right"), $("#" + name + "-left"), slices);
  74
  75     list(legend, colors[0], folders == null ? "Used" : "Other", other);
  76     list(legend, colors[1], "Free", statfs[2] / statfs[1]);
  77 };
  78
  79 $(function () {
  80     setup("system", "/", null);
  81
  82     setup("private", "/private/var", [
  83         ["Themes", "/Library/Themes/"],
  84         ["iTunes", "/var/mobile/Media/iTunes_Control/"],
  85         ["App Store", "/var/mobile/Applications/"],
  86         ["Camera", "/var/mobile/Media/DCIM/"]
  87     ]);
  88 });