tor-browser

The Tor Browser
git clone https://git.dasho.dev/tor-browser.git
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044.xhtml (6314B)

      1 <?xml version="1.0" encoding="utf-8"?>
      2 <html xmlns="http://www.w3.org/1999/xhtml">
      3 <head>
      4 <title>dataTransfer.items and getData during block element drag and drop</title>
      5 <style type="text/css">
      6 div
      7  {height:100px;
      8  width:100px;
      9  padding:20px;
     10  background-color:green;}
     11 p + div
     12  {background-color:gray;}
     13 </style>
     14 <script type="application/ecmascript">
     15 <![CDATA[
     16 var dataTypes = ['text/plain', 'text/uri-list', 'application/xml', 'application/xhtml+xml', 'application/mathml+xml', 'image/svg+xml', 'text/html', 'text/x-example'],
     17 data = ['PASS', 'data:text/plain,1', '<result>PASS</result>', '<html xmlns="http://www.w3.org/1999/xhtml"><head><title>Data store item</title></head><body><p>PASS</p></body></html>', '<math xmlns="http://www.w3.org/1998/Math/MathML"><mn>1</mn></math>', '<svg xmlns="http://www.w3.org/2000/svg" version="1.1" width="100px" height="50px" viewBox="0 0 100 50"><text x="0" y="40" font-size="40" fill="green">PASS</text></svg>', '<!DOCTYPE html><html><head><title>Data store item</title></head><body><p>PASS</p></body></html>', 'PASS'],
     18 e = 0, result = true;
     19 function start(event)
     20  {event.dataTransfer.items.clear();
     21  event.dataTransfer.effectAllowed = 'copy';
     22  for(var i = 0; i != dataTypes.length; i++)
     23    {event.dataTransfer.items.add(data[i],dataTypes[i])}
     24  if(event.dataTransfer.items.length != dataTypes.length)
     25      {say('items.length (ondragstart) : FAIL (items.length should be' + dataTypes.length + ')')}
     26  for(var i = 0; i != dataTypes.length; i++)
     27    {if(event.dataTransfer.getData(dataTypes[i]) != data[i])
     28      {say('getData (ondragstart): FAIL (getData(' + dataTypes[i] + ') returns wrong data)')}
     29    }
     30  for(var i = 0; i != event.dataTransfer.items.length; i++)
     31    {if(event.dataTransfer.items[i].kind != 'string')
     32      {say('Item kind (ondragstart): FAIL (items[' + i + '].kind should be string)')}
     33    if(event.dataTransfer.items[i].type != dataTypes[i])
     34      {say('Item type (ondragstart): FAIL (items[' + i + '].type should be' + dataTypes[i] + ')')}
     35    event.dataTransfer.items[i].getAsString(
     36      function ()
     37        {if(arguments[0] != data[e++])
     38          {say('getAsString : FAIL (items[' + i + '].getAsString should pass' + data[e] + ')')}
     39        }
     40      );
     41    }
     42  }
     43 function dragElement(event)
     44  {event.dataTransfer.items.clear();
     45  if(event.dataTransfer.items.length != dataTypes.length)
     46    {say('items.length (ondrag) : FAIL (items.length should be' + dataTypes.length + ')')}
     47  for(var i = 0; i != event.dataTransfer.items.length; i++)
     48    {if(event.dataTransfer.items[i].kind != 'string')
     49      {say('Item kind (ondrag): FAIL (items[' + i + '].kind should be string)')}
     50    if(event.dataTransfer.items[i].type != dataTypes[i])
     51      {say('Item type (ondrag): FAIL (items[' + i + '].type should be' + dataTypes[i] + ')')}
     52    event.dataTransfer.items[i].getAsString(
     53      function ()
     54        {if(arguments[0])
     55          {say('getAsString : FAIL (items[' + i + '].getAsString should not reveal data to drag event handler)')}
     56        }
     57      );
     58    }
     59  }
     60 function enterElement(event)
     61  {event.preventDefault();
     62  event.dataTransfer.items.clear();
     63  if(event.dataTransfer.items.length != dataTypes.length)
     64    {say('items.length (ondragenter) : FAIL (items.length should be' + dataTypes.length + ')')}
     65  for(var i = 0; i != event.dataTransfer.items.length; i++)
     66    {delete event.dataTransfer.items[i];
     67    if(event.dataTransfer.items[i].kind != 'string')
     68      {say('Item kind (ondragenter): FAIL (items[' + i + '].kind should be string)')}
     69    if(event.dataTransfer.items[i].type != dataTypes[i])
     70      {say('Item type (ondragenter): FAIL (items[' + i + '].type should be' + dataTypes[i] + ')')}
     71    event.dataTransfer.items[i].getAsString(
     72      function ()
     73        {if(arguments[0])
     74          {say('getAsString : FAIL (items[' + i + '].getAsString should not reveal data to drag event handler)')}
     75        }
     76      );
     77    }
     78  }
     79 function overElement(event)
     80  {event.preventDefault();
     81  event.dataTransfer.items.clear();
     82  if(event.dataTransfer.items.length != dataTypes.length)
     83    {say('items.length (ondragover) : FAIL (items.length should be' + dataTypes.length + ')')}
     84  for(var i = 0; i != event.dataTransfer.items.length; i++)
     85    {if(event.dataTransfer.items[i].kind != 'string')
     86      {say('Item kind (ondragover): FAIL (items[' + i + '].kind should be string)')}
     87    if(event.dataTransfer.items[i].type != dataTypes[i])
     88      {say('Item type (ondragover): FAIL (items[' + i + '].type should be' + dataTypes[i] + ')')}
     89    event.dataTransfer.items[i].getAsString(
     90      function ()
     91        {if(arguments[0])
     92          {say('getAsString : FAIL (items[' + i + '].getAsString should not reveal data to dragover event handler)')}
     93        }
     94      );
     95    }
     96  }
     97 function dataDrop(event)
     98  {e = 0;
     99  event.dataTransfer.items.clear();
    100  if(event.dataTransfer.items.length != dataTypes.length)
    101      {say('items.length (ondrop) : FAIL (items.length should be' + dataTypes.length + ')')}
    102  for(var i = 0; i != dataTypes.length; i++)
    103    {if(event.dataTransfer.getData(dataTypes[i]) != data[i])
    104      {say('getData (ondrop): FAIL (getData(' + dataTypes[i] + ') returns wrong data)')}
    105    }
    106  for(var i = 0; i != event.dataTransfer.items.length; i++)
    107    {delete event.dataTransfer.items[i];
    108    if(event.dataTransfer.items[i].kind != 'string')
    109      {say('Item kind (ondrop): FAIL (items[' + i + '].kind should be string)')}
    110    if(event.dataTransfer.items[i].type != dataTypes[i])
    111      {say('Item type (ondrop): FAIL (items[' + i + '].type should be' + dataTypes[i] + ')')}
    112    event.dataTransfer.items[i].getAsString(
    113      function ()
    114        {if(arguments[0] != data[e++])
    115          {say('getAsString : FAIL (items[' + i + '].getAsString should pass' + data[e] + ')')}
    116        }
    117      );
    118    }
    119  document.querySelector('p + div').setAttribute('style','background-color:' + (result?'green':'red'));}
    120 function say(it)
    121  {result = false;
    122  document.querySelector('pre').appendChild(document.createTextNode(it + '\n'));}
    123 ]]>
    124 </script>
    125 </head>
    126 <body>
    127 <div draggable="true" ondragstart="start(event)" ondrag="dragElement(event)"/>
    128 <p>Drag green box above to the gray box below and drop it. Gray box should turn green.</p>
    129 <div ondragenter="enterElement(event)" ondragover="overElement(event)" ondrop="dataDrop(event)"/>
    130 <pre/>
    131 </body>
    132 </html>