<html>
<head>
<title>Tests for the DatTransferItemList object</title>
<script type="text/javascript" src="chrome://mochikit/content/tests/SimpleTest/SimpleTest.js"></script>
<script type="text/javascript" src="chrome://mochikit/content/tests/SimpleTest/EventUtils.js"></script>
<script type="text/javascript" src="chrome://mochikit/content/tests/SimpleTest/SpawnTask.js"></script>
<script type="text/javascript" src="chrome://mochikit/content/tests/SimpleTest/ChromeUtils.js"></script>
<link rel="stylesheet" type="text/css" href="chrome://mochikit/content/tests/SimpleTest/test.css">
</head>
<body style="height: 300px; overflow: auto;">
<p id="display"> </p>
<img id="image" draggable="true" src="data:image/png,%89PNG%0D%0A%1A%0A%00%00%00%0DIHDR%00%00%00%18%00%00%00%18%02%03%00%00%00%9D%19%D5k%00%00%00%04gAMA%00%00%B1%8F%0B%FCa%05%00%00%00%0CPLTE%FF%FF%FF%FF%FF%FF%F7%DC%13%00%00%00%03%80%01X%00%00%00%01tRNS%08N%3DPT%00%00%00%01bKGD%00%88%05%1DH%00%00%00%09pHYs%00%00%0B%11%00%00%0B%11%01%7Fd_%91%00%00%00%07tIME%07%D2%05%0C%14%0C%0D%D8%3F%1FQ%00%00%00%5CIDATx%9C%7D%8E%CB%09%C0%20%10D%07r%B7%20%2F%E9wV0%15h%EA%D9%12D4%BB%C1x%CC%5C%1E%0C%CC%07%C0%9C0%9Dd7()%C0A%D3%8D%E0%B8%10%1DiCHM%D0%AC%D2d%C3M%F1%B4%E7%FF%10%0BY%AC%25%93%CD%CBF%B5%B2%C0%3Alh%CD%AE%13%DF%A5%F7%E0%03byW%09A%B4%F3%E2%00%00%00%00IEND%AEB%60%82">
<div id="over" "style="width: 100px; height: 100px; border: 2px black dashed;">
drag over here
</div>
<script>
function spin() {
// Defer to the event loop twice to wait for any events to be flushed out.
return new Promise(function(a) {
SimpleTest.executeSoon(function() {
SimpleTest.executeSoon(a)
});
});
}
add_task(function* () {
yield spin();
var draggable = document.getElementById('image');
var over = document.getElementById('over');
var dragstartFired = 0;
draggable.addEventListener('dragstart', onDragStart);
function onDragStart(e) {
draggable.removeEventListener('dragstart', onDragStart);
var dt = e.dataTransfer;
dragstartFired++;
ok(true, "dragStart event fired");
var dtList = e.dataTransfer.items;
ok(dtList instanceof DataTransferItemList,
"DataTransfer.items returns a DataTransferItemList");
for (var i = 0; i < dtList.length; i++) {
var item = dtList[i];
ok(item instanceof DataTransferItem,
"operator[] returns DataTransferItem objects");
if (item.kind == "file") {
var file = item.getAsFile();
ok(file instanceof File, "getAsFile() returns File objects");
}
}
dtList.clear();
is(dtList.length, 0, "after .clear() DataTransferItemList should be empty");
dtList.add("this is some text", "text/plain");
dtList.add("<a href='www.mozilla.org'>this is a link</a>", "text/html");
dtList.add("http://www.mozilla.org", "text/uri-list");
dtList.add("this is custom-data", "custom-data");
var file = new File(['<a id="a"><b id="b">hey!</b></a>'], "myfile.html",
{type: "text/html"});
dtList.add(file);
checkTypes(["text/plain", "text/html", "text/uri-list", "custom-data", "text/html"],
dtList, "DataTransferItemList.add test");
var files = e.dataTransfer.files;
is(files.length, 1, "DataTransfer.files should contain the one file we added earlier");
is(files[0], file, "It should be the same file as the file we originally created");
is(file, e.dataTransfer.mozGetDataAt("text/html", 1),
"It should be stored in index 1 for mozGetDataAt");
var file2 = new File(['<a id="c"><b id="d">yo!</b></a>'], "myotherfile.html",
{type: "text/html"});
dtList.add(file2);
todo(files.length == 2, "This test has chrome privileges, so the FileList objects aren't updated live");
files = e.dataTransfer.files;
is(files.length, 2, "The files property should have been updated in place");
is(files[1], file2, "It should be the same file as the file we originally created");
is(file2, e.dataTransfer.mozGetDataAt("text/html", 2),
"It should be stored in index 2 for mozGetDataAt");
var oldLength = dtList.length;
var randomString = "foo!";
e.dataTransfer.mozSetDataAt("random/string", randomString, 3);
is(oldLength, dtList.length,
"Adding a non-file entry to a non-zero index should not add an item to the items list");
var file3 = new File(['<a id="e"><b id="f">heya!</b></a>'], "yetanotherfile.html",
{type: "text/html"});
e.dataTransfer.mozSetDataAt("random/string", file3, 3);
is(oldLength + 1, dtList.length,
"Replacing the entry with a file should add it to the list!");
is(dtList[oldLength].getAsFile(), file3, "It should be stored in the last index as a file");
is(dtList[oldLength].type, "text/html", "It should have the correct type");
is(dtList[oldLength].kind, "file", "It should have the correct kind");
todo(files.length == 3, "This test has chrome privileges, so the FileList objects aren't updated live");
files = e.dataTransfer.files;
is(files[files.length - 1], file3, "It should also be in the files list");
oldLength = dtList.length;
var nonstring = {};
e.dataTransfer.mozSetDataAt("jsobject", nonstring, 0);
is(oldLength + 1, dtList.length,
"Adding a non-string object using the mozAPIs to index 0 should add an item to the dataTransfer");
is(dtList[oldLength].type, "jsobject", "It should have the correct type");
is(dtList[oldLength].kind, "other", "It should have the correct kind");
// Clear the event's data and get it set up so we can read it later!
dtList.clear();
dtList.add(file);
dtList.add("this is some text", "text/plain");
is(e.dataTransfer.mozGetDataAt("text/html", 1), file);
}
var getAsStringCalled = 0;
var dragenterFired = 0;
over.addEventListener('dragenter', onDragEnter);
function onDragEnter(e) {
over.removeEventListener('dragenter', onDragEnter);
var dt = e.dataTransfer;
dragenterFired++;
readOnly(e);
}
var dropFired = 0;
over.addEventListener('drop', onDrop);
function onDrop(e) {
over.removeEventListener('drop', onDrop);
var dt = e.dataTransfer;
dropFired++;
e.preventDefault();
readOnly(e);
}
function readOnly(e) {
var dtList = e.dataTransfer.items;
var num = dtList.length;
// .clear() should have no effect
dtList.clear();
is(dtList.length, num,
".clear() should have no effect on the object during a readOnly event");
// .remove(i) should throw InvalidStateError
for (var i = 0; i < dtList.length; i++) {
expectError(function() { dtList.remove(i); },
"InvalidStateError", ".remove(" + i + ") during a readOnly event");
}
// .add() should return null and have no effect
var data = [["This is a plain string", "text/plain"],
["This is <em>HTML!</em>", "text/html"],
["http://www.mozilla.org/", "text/uri-list"],
["this is some custom data", "custom-data"]];
for (var i = 0; i < data.length; i++) {
is(dtList.add(data[i][0], data[i][1]), null,
".add() should return null during a readOnly event");
is(dtList.length, num, ".add() should have no effect during a readOnly event");
}
// .add() with a file should return null and have no effect
var file = new File(['<a id="a"><b id="b">hey!</b></a>'], "myfile.html",
{type: "text/html"});
is(dtList.add(file), null, ".add() with a file should return null during a readOnly event");
is(dtList.length, num, ".add() should have no effect during a readOnly event");
// We should be able to access the files
is(e.dataTransfer.files.length, 1, "Should be able to access files");
ok(e.dataTransfer.files[0], "File should be the same file!");
is(e.dataTransfer.items.length, 2, "Should be able to see there are 2 items");
is(e.dataTransfer.items[0].kind, "file", "First item should be a file");
is(e.dataTransfer.items[1].kind, "string", "Second item should be a string");
is(e.dataTransfer.items[0].type, "text/html", "first item should be text/html");
is(e.dataTransfer.items[1].type, "text/plain", "second item should be text/plain");
ok(e.dataTransfer.items[0].getAsFile(), "Should be able to get file");
e.dataTransfer.items[1].getAsString(function(s) {
getAsStringCalled++;
is(s, "this is some text", "Should provide the correct string");
});
}
synthesizeDrop(draggable, over, null, null);
// Wait for the getAsString callbacks to complete
yield spin();
is(getAsStringCalled, 2, "getAsString should be called twice");
// Sanity-check to make sure that the events were actually run
is(dragstartFired, 1, "dragstart fired");
is(dragenterFired, 1, "dragenter fired");
is(dropFired, 1, "drop fired");
});
function expectError(fn, eid, testid) {
var error = "";
try {
fn();
} catch (ex) {
error = ex.name;
}
is(error, eid, testid + " causes exception " + eid);
}
function checkTypes(aExpectedList, aDtList, aTestid) {
is(aDtList.length, aExpectedList.length, aTestid + " length test");
for (var i = 0; i < aExpectedList.length; i++) {
is(aDtList[i].type, aExpectedList[i], aTestid + " type " + i);
}
}
</script>
</body>
</html>