| Quellcodebibliothek Statistik Leitseite products/Sources/formale Sprachen/C/Firefox/dom/events/test/ (Browser von der Mozilla Stiftung Version 136.0.1©) Datei vom 10.2.2025 mit Größe 4 kB |
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Quelle test_bug508479.html Sprache: HTML |
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<html> <head> <title>Tests for the dragstart event</title> <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"> <script src="/tests/SimpleTest/SimpleTest.js"></script> <script src="/tests/SimpleTest/EventUtils.js"></script> <script> var gGotHandlingDrop = false; var gGotNotHandlingDrop = false; SimpleTest.waitForExplicitFinish(); function fireEvent(target, event) { SpecialPowers.DOMWindowUtils.dispatchDOMEventViaPresShellForTesting(target, event } async function fireDrop(element, shouldAllowDrop, shouldAllowOnlyChromeDrop) { var ds = SpecialPowers.Cc["@mozilla.org/widget/dragservice;1"]. getService(SpecialPowers.Ci.nsIDragService); var dataTransfer; var trapDrag = function(event) { dataTransfer = event.dataTransfer; dataTransfer.setData("text/plain", "Hello");; dataTransfer.dropEffect = "move"; event.preventDefault(); event.stopPropagation(); } // need to use real mouse action window.addEventListener("dragstart", trapDrag, true); await synthesizePlainDragAndDrop({ srcElement: element, stepX: 9, stepY: 9, expectCancelDragStart: true, }); window.removeEventListener("dragstart", trapDrag, true); ds.startDragSessionForTests( window, SpecialPowers.Ci.nsIDragService.DRAGDROP_ACTION_MOVE | SpecialPowers.Ci.nsIDragService.DRAGDROP_ACTION_COPY | SpecialPowers.Ci.nsIDragService.DRAGDROP_ACTION_LINK ); // Session for emulating dnd coming from another app. try { var event = document.createEvent("DragEvent"); event.initDragEvent("dragover", true, true, window, 0, 0, 0, 0, 0, false, false, false, fals fireEvent(element, event); is(ds.getCurrentSession().canDrop, shouldAllowDrop, "Unexpected .canDrop"); is(ds.getCurrentSession().onlyChromeDrop, shouldAllowOnlyChromeDrop, "Unexpected .onlyChromeDrop"); event = document.createEvent("DragEvent"); event.initDragEvent("drop", true, true, window, 0, 0, 0, 0, 0, false, false, false, false, 0, fireEvent(element, event); } finally { ds.getCurrentSession().endDragSession(false); ok(!ds.getCurrentSession(), "There shouldn't be a drag session anymore!"); } } var chromeGotEvent = false; function chromeListener(e) { chromeGotEvent = true; } async function runTests() { var targetHandling = document.getElementById("handling_target"); await fireDrop(targetHandling, true, false); is(gGotHandlingDrop, true, "Got drop on accepting element (1)"); is(gGotNotHandlingDrop, false, "Didn't get drop on unaccepting element (1)"); // reset gGotHandlingDrop = false; gGotNotHandlingDrop = false; SpecialPowers.addChromeEventListener("drop", chromeListener, true, false); var targetNotHandling = document.getElementById("nothandling_target"); await fireDrop(targetNotHandling, true, true); SpecialPowers.removeChromeEventListener("drop", chromeListener, true); ok(chromeGotEvent, "Chrome should have got drop event!"); is(gGotHandlingDrop, false, "Didn't get drop on accepting element (2)"); is(gGotNotHandlingDrop, false, "Didn't get drop on unaccepting element (2)"); SimpleTest.finish(); } </script> <body onload="window.setTimeout(runTests, 0);"> <img style="width: 100px; height: 100px;" src="data:image/png,%89PNG%0D%0A%1A%0A%00%00%00%0DIHDR%00%00%00%18%00%00%00%18%0 id="handling_target" ondragenter="event.preventDefault()" ondragover="event.preventDefault()" ondrop="gGotHandlingDrop = true;"> <img style="width: 100px; height: 100px;" src="data:image/png,%89PNG%0D%0A%1A%0A%00%00%00%0DIHDR%00%00%00%18%00%00%00%18%0 id="nothandling_target" ondrop="gGotNotHandlingDrop = true;"> </body> </html>
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2026-04-04