зеркало из https://github.com/mozilla/gecko-dev.git
234 строки
9.4 KiB
HTML
234 строки
9.4 KiB
HTML
<html>
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<head>
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<title>Tests for the DataTransferItemList object</title>
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<script src="chrome://mochikit/content/tests/SimpleTest/SimpleTest.js"></script>
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<script src="chrome://mochikit/content/tests/SimpleTest/EventUtils.js"></script>
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<link rel="stylesheet" type="text/css" href="chrome://mochikit/content/tests/SimpleTest/test.css">
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</head>
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<body style="height: 300px; overflow: auto;">
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<p id="display"> </p>
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<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">
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<div id="over" style="width: 100px; height: 100px; border: 2px black dashed;">
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drag over here
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</div>
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<script>
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function spin() {
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// Defer to the event loop twice to wait for any events to be flushed out.
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return new Promise(function(a) {
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SimpleTest.executeSoon(function() {
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SimpleTest.executeSoon(a)
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});
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});
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}
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add_task(async function() {
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await spin();
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var draggable = document.getElementById('image');
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var over = document.getElementById('over');
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var dragstartFired = 0;
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draggable.addEventListener('dragstart', onDragStart);
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function onDragStart(e) {
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draggable.removeEventListener('dragstart', onDragStart);
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var dt = e.dataTransfer;
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dragstartFired++;
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ok(true, "dragStart event fired");
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var dtList = e.dataTransfer.items;
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ok(dtList instanceof DataTransferItemList,
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"DataTransfer.items returns a DataTransferItemList");
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for (var i = 0; i < dtList.length; i++) {
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var item = dtList[i];
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ok(item instanceof DataTransferItem,
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"operator[] returns DataTransferItem objects");
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if (item.kind == "file") {
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var file = item.getAsFile();
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ok(file instanceof File, "getAsFile() returns File objects");
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}
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}
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dtList.clear();
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is(dtList.length, 0, "after .clear() DataTransferItemList should be empty");
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dtList.add("this is some text", "text/plain");
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dtList.add("<a href='www.mozilla.org'>this is a link</a>", "text/html");
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dtList.add("http://www.mozilla.org", "text/uri-list");
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dtList.add("this is custom-data", "custom-data");
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var file = new File(['<a id="a"><b id="b">hey!</b></a>'], "myfile.html",
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{type: "text/html"});
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dtList.add(file);
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checkTypes(["text/plain", "text/html", "text/uri-list", "custom-data", "text/html"],
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dtList, "DataTransferItemList.add test");
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var files = e.dataTransfer.files;
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is(files.length, 1, "DataTransfer.files should contain the one file we added earlier");
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is(files[0], file, "It should be the same file as the file we originally created");
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is(file, e.dataTransfer.mozGetDataAt("text/html", 1),
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"It should be stored in index 1 for mozGetDataAt");
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var file2 = new File(['<a id="c"><b id="d">yo!</b></a>'], "myotherfile.html",
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{type: "text/html"});
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dtList.add(file2);
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todo(files.length == 2, "This test has chrome privileges, so the FileList objects aren't updated live");
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files = e.dataTransfer.files;
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is(files.length, 2, "The files property should have been updated in place");
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is(files[1], file2, "It should be the same file as the file we originally created");
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is(file2, e.dataTransfer.mozGetDataAt("text/html", 2),
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"It should be stored in index 2 for mozGetDataAt");
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var oldLength = dtList.length;
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var randomString = "foo!";
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e.dataTransfer.mozSetDataAt("random/string", randomString, 3);
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is(oldLength, dtList.length,
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"Adding a non-file entry to a non-zero index should not add an item to the items list");
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var file3 = new File(['<a id="e"><b id="f">heya!</b></a>'], "yetanotherfile.html",
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{type: "text/html"});
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e.dataTransfer.mozSetDataAt("random/string", file3, 3);
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is(oldLength + 1, dtList.length,
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"Replacing the entry with a file should add it to the list!");
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is(dtList[oldLength].getAsFile(), file3, "It should be stored in the last index as a file");
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is(dtList[oldLength].type, "text/html", "It should have the correct type");
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is(dtList[oldLength].kind, "file", "It should have the correct kind");
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todo(files.length == 3, "This test has chrome privileges, so the FileList objects aren't updated live");
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files = e.dataTransfer.files;
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is(files[files.length - 1], file3, "It should also be in the files list");
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oldLength = dtList.length;
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var nonstring = {};
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e.dataTransfer.mozSetDataAt("jsobject", nonstring, 0);
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is(oldLength + 1, dtList.length,
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"Adding a non-string object using the mozAPIs to index 0 should add an item to the dataTransfer");
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is(dtList[oldLength].type, "jsobject", "It should have the correct type");
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is(dtList[oldLength].kind, "other", "It should have the correct kind");
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// Clear the event's data and get it set up so we can read it later!
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dtList.clear();
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dtList.add(file);
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dtList.add("this is some text", "text/plain");
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is(e.dataTransfer.mozGetDataAt("text/html", 1), file);
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}
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var getAsStringCalled = 0;
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var dragenterFired = 0;
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over.addEventListener('dragenter', onDragEnter);
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function onDragEnter(e) {
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over.removeEventListener('dragenter', onDragEnter);
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var dt = e.dataTransfer;
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dragenterFired++;
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// NOTE: This test is run with chrome privileges.
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// For back-compat reasons, protected mode acts like readonly mode for
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// chrome documents.
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readOnly(e);
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}
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var dropFired = 0;
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over.addEventListener('drop', onDrop);
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function onDrop(e) {
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over.removeEventListener('drop', onDrop);
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var dt = e.dataTransfer;
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dropFired++;
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e.preventDefault();
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readOnly(e);
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}
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function readOnly(e) {
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var dtList = e.dataTransfer.items;
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var num = dtList.length;
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// .clear() should have no effect
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dtList.clear();
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is(dtList.length, num,
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".clear() should have no effect on the object during a readOnly event");
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// .remove(i) should throw InvalidStateError
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for (var i = 0; i < dtList.length; i++) {
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expectError(function() { dtList.remove(i); },
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"InvalidStateError", ".remove(" + i + ") during a readOnly event");
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}
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// .add() should return null and have no effect
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var data = [["This is a plain string", "text/plain"],
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["This is <em>HTML!</em>", "text/html"],
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["http://www.mozilla.org/", "text/uri-list"],
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["this is some custom data", "custom-data"]];
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for (var i = 0; i < data.length; i++) {
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is(dtList.add(data[i][0], data[i][1]), null,
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".add() should return null during a readOnly event");
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is(dtList.length, num, ".add() should have no effect during a readOnly event");
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}
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// .add() with a file should return null and have no effect
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var file = new File(['<a id="a"><b id="b">hey!</b></a>'], "myfile.html",
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{type: "text/html"});
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is(dtList.add(file), null, ".add() with a file should return null during a readOnly event");
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is(dtList.length, num, ".add() should have no effect during a readOnly event");
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// We should be able to access the files
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is(e.dataTransfer.files.length, 1, "Should be able to access files");
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ok(e.dataTransfer.files[0], "File should be the same file!");
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is(e.dataTransfer.items.length, 2, "Should be able to see there are 2 items");
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is(e.dataTransfer.items[0].kind, "file", "First item should be a file");
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is(e.dataTransfer.items[1].kind, "string", "Second item should be a string");
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is(e.dataTransfer.items[0].type, "text/html", "first item should be text/html");
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is(e.dataTransfer.items[1].type, "text/plain", "second item should be text/plain");
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ok(e.dataTransfer.items[0].getAsFile(), "Should be able to get file");
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e.dataTransfer.items[1].getAsString(function(s) {
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getAsStringCalled++;
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is(s, "this is some text", "Should provide the correct string");
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});
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}
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synthesizeDrop(draggable, over, null, null);
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// Wait for the getAsString callbacks to complete
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await spin();
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is(getAsStringCalled, 2, "getAsString should be called twice");
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// Sanity-check to make sure that the events were actually run
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is(dragstartFired, 1, "dragstart fired");
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is(dragenterFired, 1, "dragenter fired");
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is(dropFired, 1, "drop fired");
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});
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function expectError(fn, eid, testid) {
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var error = "";
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try {
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fn();
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} catch (ex) {
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error = ex.name;
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}
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is(error, eid, testid + " causes exception " + eid);
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}
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function checkTypes(aExpectedList, aDtList, aTestid) {
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is(aDtList.length, aExpectedList.length, aTestid + " length test");
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for (var i = 0; i < aExpectedList.length; i++) {
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is(aDtList[i].type, aExpectedList[i], aTestid + " type " + i);
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}
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}
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</script>
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</body>
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</html>
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