Add m-esr52 at 52.6.0

author: Matt A. Tobin <mattatobin@localhost.localdomain> 2018-02-02 04:16:08 -0500
committer: Matt A. Tobin <mattatobin@localhost.localdomain> 2018-02-02 04:16:08 -0500
commit: 5f8de423f190bbb79a62f804151bc24824fa32d8 (patch)
tree: 10027f336435511475e392454359edea8e25895d /dom/tests/mochitest/general/test_clipboard_events.html
parent: 49ee0794b5d912db1f95dce6eb52d781dc210db5 (diff)
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diff --git a/dom/tests/mochitest/general/test_clipboard_events.html b/dom/tests/mochitest/general/test_clipboard_events.html
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+<!DOCTYPE HTML>
+<html>
+<head>
+  <title>Test for Clipboard Events</title>
+  <script type="text/javascript" src="/MochiKit/MochiKit.js"></script>
+  <script type="text/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>
+  <script type="application/javascript" src="/tests/SimpleTest/EventUtils.js"></script>
+  <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css" />
+</head>
+<body>
+<p id="display"></p>
+<div id="content" style="border: 3px solid black; padding: 3em;">CONTENT TEXT<input id="content-input" value="INPUT TEXT"></div>
+<img id="image" src="image_50.png">
+<button id="button">Button</button>
+
+<div id="syntheticSpot" oncut="compareSynthetic(event, 'cut')"
+                        oncopy="compareSynthetic(event, 'copy')"
+                        onpaste="compareSynthetic(event, 'paste')">Spot</div>
+
+<pre id="test">
+<script class="testbody" type="text/javascript;version=1.7">
+
+var content = document.getElementById("content");
+var contentInput = document.getElementById("content-input");
+var clipboardInitialValue = "empty";
+
+// Test that clearing and reading the clipboard works.  A random number
+// is used to make sure that leftover clipboard values from a previous
+// test run don't cause a false-positive test.
+var cb_text = "empty_" + Math.random();
+setClipboardText(cb_text);
+
+is(getClipboardText(), cb_text, "set/get clipboard text failed");
+
+var cachedCutData, cachedCopyData, cachedPasteData;
+
+// A list of test functions to run.  Before each test function is run, the
+// clipboard is initialized to clipboardInitialValue, and the contents of
+// div#content are set as the window's selection.
+var testFunctions = [
+  test_dom_oncopy,
+  test_dom_oncut,
+  test_dom_onpaste,
+  test_dom_oncopy_abort,
+  test_input_oncopy,
+  test_input_oncut,
+  test_input_onpaste,
+  test_input_oncopy_abort,
+  test_input_oncut_abort,
+  test_input_onpaste_abort,
+  test_input_cut_dataTransfer,
+  test_input_cut_abort_dataTransfer,
+  test_input_copy_dataTransfer,
+  test_input_paste_dataTransfer,
+  test_input_paste_abort_dataTransfer,
+  test_input_copypaste_dataTransfer_multiple,
+  test_input_copy_button_dataTransfer,
+  test_eventspref_disabled,
+  test_image_dataTransfer,
+  ];
+
+function doTests()
+{
+  // Init clipboard
+  setClipboardText(clipboardInitialValue);
+
+  // Reset value of contentInput.
+  contentInput.value = "INPUT TEXT";
+
+  if (testFunctions.length) {
+    let func = testFunctions.shift();
+    let result = func();
+    if (result instanceof Promise) {
+      result.then(doTests);
+    }
+    else {
+      doTests();
+    }
+  }
+  else {
+    // Check if the cached clipboard data can be accessed or modified
+    // and whether it modifies the real clipboard
+    checkCachedDataTransfer(cachedCutData, "cut");
+    checkCachedDataTransfer(cachedCopyData, "copy");
+    checkCachedDataTransfer(cachedPasteData, "paste");
+
+    checkSyntheticEvents();
+
+    SimpleTest.finish();
+  }
+}
+
+SimpleTest.waitForExplicitFinish();
+
+function getClipboardText() {
+  return SpecialPowers.getClipboardData("text/unicode");
+}
+
+
+function setClipboardText(text) {
+  var helper = SpecialPowers.Cc["@mozilla.org/widget/clipboardhelper;1"]
+    .getService(SpecialPowers.Ci.nsIClipboardHelper);
+  helper.copyString(text);
+}
+
+function selectContentDiv() {
+  // Set selection
+  var selection = window.getSelection();
+  selection.removeAllRanges();
+  selection.selectAllChildren(content);
+}
+
+function selectContentInput() {
+  contentInput.select();
+  contentInput.focus();
+}
+
+function test_dom_oncopy() {
+  // Setup an oncopy event handler, fire copy.  Ensure that the event
+  // handler was called, and the clipboard contents have set to CONTENT TEXT.
+  // Test firing oncopy event on ctrl-c:
+  selectContentDiv();
+  
+  var oncopy_fired = false;
+  content.oncopy = function() { oncopy_fired = true; };
+  try {
+    synthesizeKey("c", {accelKey: 1});
+    ok(oncopy_fired, "copy event firing on DOM element");
+    is(getClipboardText(), "CONTENT TEXT",
+      "copy on DOM element set clipboard correctly");
+  } finally {
+    content.oncopy = null;
+  }
+}
+
+function test_dom_oncut() {
+  // Setup an oncut event handler, fire cut.  Ensure that the event handler
+  // was called.  The <div> doesn't handle a cut, so ensure that the
+  // clipboard text is clipboardInitialValue, NOT "CONTENT TEXT".
+  selectContentDiv();
+  var oncut_fired = false;
+  content.oncut = function() { oncut_fired = true; };
+  try {
+    synthesizeKey("x", {accelKey: 1});
+    ok(oncut_fired, "cut event firing on DOM element")
+    is(getClipboardText(), clipboardInitialValue,
+      "cut on DOM element did not modify clipboard");
+  } finally {
+    content.oncut = null;
+  }
+}
+
+
+function test_dom_onpaste() {
+  // Setup an onpaste event handler, fire paste.  Ensure that the event
+  // handler was called.
+  selectContentDiv();
+  var onpaste_fired = false;
+  content.onpaste = function() { onpaste_fired = true; };
+  try {
+    synthesizeKey("v", {accelKey: 1});
+    ok(onpaste_fired, "paste event firing on DOM element");
+  } finally {
+    content.onpaste = null;
+  }
+}
+
+
+function test_dom_oncopy_abort() {
+  // Setup an oncopy event handler that aborts the copy, and fire the copy
+  // event.  Ensure that the event handler was fired, and the clipboard
+  // contents have not been modified.
+  selectContentDiv();
+  var oncopy_fired = false;
+  content.oncopy = function() { oncopy_fired = true; return false; };
+  try {
+    synthesizeKey("c", {accelKey: 1});
+    ok(oncopy_fired, "copy event (to-be-cancelled) firing on DOM element");
+    is(getClipboardText(), clipboardInitialValue,
+      "aborted copy on DOM element did not modify clipboard");
+  } finally {
+    content.oncopy = null;
+  }
+}
+
+
+function test_input_oncopy() {
+  // Setup an oncopy event handler, fire copy.  Ensure that the event
+  // handler was called, and the clipboard contents have been set to 'PUT TE',
+  // which is the part that is selected below.
+  selectContentInput();
+  contentInput.focus();
+  contentInput.setSelectionRange(2, 8);
+
+  var oncopy_fired = false;
+  contentInput.oncopy = function() { oncopy_fired = true; };
+  try {
+    synthesizeKey("c", {accelKey: 1});
+    ok(oncopy_fired, "copy event firing on plaintext editor");
+    is(getClipboardText(), "PUT TE",
+      "copy on plaintext editor set clipboard correctly");
+  } finally {
+    contentInput.oncopy = null;
+  }
+}
+
+
+function test_input_oncut() {
+  // Setup an oncut event handler, and fire cut.  Ensure that the event
+  // handler was fired, the clipboard contains the INPUT TEXT, and
+  // that the input itself is empty.
+  selectContentInput();
+  var oncut_fired = false;
+  contentInput.oncut = function() { oncut_fired = true; };
+  try {
+    synthesizeKey("x", {accelKey: 1});
+    ok(oncut_fired, "cut event firing on plaintext editor");
+    is(getClipboardText(), "INPUT TEXT",
+      "cut on plaintext editor set clipboard correctly");
+    is(contentInput.value, "",
+      "cut on plaintext editor emptied editor");
+  } finally {
+    contentInput.oncut = null;
+  }
+}
+
+
+function test_input_onpaste() {
+  // Setup an onpaste event handler, and fire paste.  Ensure that the event
+  // handler was fired, the clipboard contents didn't change, and that the
+  // input value did change (ie. paste succeeded).
+  selectContentInput();
+  var onpaste_fired = false;
+  contentInput.onpaste = function() { onpaste_fired = true; };
+  try {
+    synthesizeKey("v", {accelKey: 1});
+    ok(onpaste_fired, "paste event firing on plaintext editor");
+    is(getClipboardText(), clipboardInitialValue,
+      "paste on plaintext editor did not modify clipboard contents");
+    is(contentInput.value, clipboardInitialValue,
+      "paste on plaintext editor did modify editor value");
+  } finally {
+    contentInput.onpaste = null;
+  }
+}
+
+
+function test_input_oncopy_abort() {
+  // Setup an oncopy event handler, fire copy.  Ensure that the event
+  // handler was called, and that the clipboard value did NOT change.
+  selectContentInput();
+  var oncopy_fired = false;
+  contentInput.oncopy = function() { oncopy_fired = true; return false; };
+  try {
+    synthesizeKey("c", {accelKey: 1});
+    ok(oncopy_fired, "copy event (to-be-cancelled) firing on plaintext editor");
+    is(getClipboardText(), clipboardInitialValue,
+      "aborted copy on plaintext editor did not modify clipboard");
+  } finally {
+    contentInput.oncopy = null;
+  }
+}
+
+
+function test_input_oncut_abort() {
+  // Setup an oncut event handler, and fire cut.  Ensure that the event
+  // handler was fired, the clipboard contains the INPUT TEXT, and
+  // that the input itself is empty.
+  selectContentInput();
+  var oncut_fired = false;
+  contentInput.oncut = function() { oncut_fired = true; return false; };
+  try {
+    synthesizeKey("x", {accelKey: 1});
+    ok(oncut_fired, "cut event (to-be-cancelled) firing on plaintext editor");
+    is(getClipboardText(), clipboardInitialValue,
+      "aborted cut on plaintext editor did not modify clipboard.");
+    is(contentInput.value, "INPUT TEXT",
+      "aborted cut on plaintext editor did not modify editor contents");
+  } finally {
+    contentInput.oncut = null;
+  }
+}
+
+
+function test_input_onpaste_abort() {
+  // Setup an onpaste event handler, and fire paste.  Ensure that the event
+  // handler was fired, the clipboard contents didn't change, and that the
+  // input value did change (ie. paste succeeded).
+  selectContentInput();
+  var onpaste_fired = false;
+  contentInput.onpaste = function() { onpaste_fired = true; return false; };
+  try {
+    synthesizeKey("v", {accelKey: 1});
+    ok(onpaste_fired,
+      "paste event (to-be-cancelled) firing on plaintext editor");
+    is(getClipboardText(), clipboardInitialValue,
+      "aborted paste on plaintext editor did not modify clipboard");
+    is(contentInput.value, "INPUT TEXT",
+      "aborted paste on plaintext editor did not modify modified editor value");
+  } finally {
+    contentInput.onpaste = null;
+  }
+}
+
+
+function test_input_cut_dataTransfer() {
+  // Cut using event.dataTransfer. The event is not cancelled so the default
+  // cut should occur
+  selectContentInput();
+  contentInput.oncut = function(event) {
+    ok(event instanceof ClipboardEvent, "cut event is a ClipboardEvent");
+    ok(event.clipboardData instanceof DataTransfer, "cut event dataTransfer is a DataTransfer");
+    is(event.target, contentInput, "cut event target");
+    is(event.clipboardData.mozItemCount, 0, "cut event mozItemCount");
+    is(event.clipboardData.getData("text/plain"), "", "cut event getData");
+    event.clipboardData.setData("text/plain", "This is some dataTransfer text");
+    cachedCutData = event.clipboardData;
+  };
+  try {
+    synthesizeKey("x", {accelKey: 1});
+    is(getClipboardText(), "INPUT TEXT",
+      "cut using dataTransfer on plaintext editor set clipboard correctly");
+    is(contentInput.value, "",
+      "cut using dataTransfer on plaintext editor cleared input");
+  } finally {
+    contentInput.oncut = null;
+  }
+}
+
+
+function test_input_cut_abort_dataTransfer() {
+  // Cut using event.dataTransfer but cancel the event. The data should be
+  // put on the clipboard but since we don't modify the input value, the input
+  // should have the same value.
+  selectContentInput();
+  contentInput.oncut = function(event) {
+    event.clipboardData.setData("text/plain", "Cut dataTransfer text");
+    return false;
+  };
+  try {
+    synthesizeKey("x", {accelKey: 1});
+    is(getClipboardText(), "Cut dataTransfer text",
+      "aborted cut using dataTransfer on plaintext editor set clipboard correctly");
+    is(contentInput.value, "INPUT TEXT",
+      "aborted cut using dataTransfer on plaintext editor did not modify input");
+  } finally {
+    contentInput.oncut = null;
+  }
+}
+
+
+function test_input_copy_dataTransfer() {
+  // Copy using event.dataTransfer
+  selectContentInput();
+  contentInput.oncopy = function(event) {
+    ok(event instanceof ClipboardEvent, "copy event is a ClipboardEvent");
+    ok(event.clipboardData instanceof DataTransfer, "copy event dataTransfer is a DataTransfer");
+    is(event.target, contentInput, "copy event target");
+    is(event.clipboardData.mozItemCount, 0, "copy event mozItemCount");
+    is(event.clipboardData.getData("text/plain"), "", "copy event getData");
+    event.clipboardData.setData("text/plain", "Copied dataTransfer text");
+    cachedCopyData = event.clipboardData;
+  };
+  try {
+    synthesizeKey("c", {accelKey: 1});
+    is(getClipboardText(), "INPUT TEXT",
+      "copy using dataTransfer on plaintext editor set clipboard correctly");
+    is(contentInput.value, "INPUT TEXT",
+      "copy using dataTransfer on plaintext editor did not modify input");
+  } finally {
+    contentInput.oncopy = null;
+  }
+}
+
+
+function test_input_copy_abort_dataTransfer() {
+  // Copy using event.dataTransfer but cancel the event.
+  selectContentInput();
+  contentInput.oncopy = function(event) {
+    event.clipboardData.setData("text/plain", "Copy dataTransfer text");
+    return false;
+  };
+  try {
+    synthesizeKey("x", {accelKey: 1});
+    is(getClipboardText(), "Copy dataTransfer text",
+      "aborted copy using dataTransfer on plaintext editor set clipboard correctly");
+    is(contentInput.value, "INPUT TEXT",
+      "aborted copy using dataTransfer on plaintext editor did not modify input");
+  } finally {
+    contentInput.oncopy = null;
+  }
+}
+
+
+function test_input_paste_dataTransfer() {
+  // Paste using event.dataTransfer
+  selectContentInput();
+  contentInput.onpaste = function(event) {
+    ok(event instanceof ClipboardEvent, "paste event is an ClipboardEvent");
+    ok(event.clipboardData instanceof DataTransfer, "paste event dataTransfer is a DataTransfer");
+    is(event.target, contentInput, "paste event target");
+    is(event.clipboardData.mozItemCount, 1, "paste event mozItemCount");
+    is(event.clipboardData.getData("text/plain"), clipboardInitialValue, "paste event getData");
+    cachedPasteData = event.clipboardData;
+  };
+  try {
+    synthesizeKey("v", {accelKey: 1});
+    is(getClipboardText(), clipboardInitialValue,
+      "paste using dataTransfer on plaintext editor did not modify clipboard contents");
+    is(contentInput.value, clipboardInitialValue,
+      "paste using dataTransfer on plaintext editor modified input");
+  } finally {
+    contentInput.onpaste = null;
+  }
+}
+
+
+function test_input_paste_abort_dataTransfer() {
+  // Paste using event.dataTransfer but cancel the event
+  selectContentInput();
+  contentInput.onpaste = function(event) {
+    is(event.clipboardData.getData("text/plain"), clipboardInitialValue, "get data on aborted paste");
+    contentInput.value = "Alternate Paste";
+    return false;
+  };
+  try {
+    synthesizeKey("v", {accelKey: 1});
+    is(getClipboardText(), clipboardInitialValue,
+      "aborted paste using dataTransfer on plaintext editor did not modify clipboard contents");
+    is(contentInput.value, "Alternate Paste",
+      "aborted paste using dataTransfer on plaintext editor modified input");
+  } finally {
+    contentInput.onpaste = null;
+  }
+}
+
+function test_input_copypaste_dataTransfer_multiple() {
+  // Cut several types of data and paste it again
+  contentInput.value = "This is a line of text";
+  contentInput.oncopy = function(event) {
+    var cd = event.clipboardData;
+    cd.setData("text/plain", "would be a phrase");
+
+    var exh = false;
+    try { cd.mozSetDataAt("text/plain", "Text", 1); } catch (ex) { exh = true; }
+    ok(exh, "exception occured mozSetDataAt 1");
+    exh = false;
+    try { cd.mozTypesAt(1); } catch (ex) { exh = true; }
+    ok(exh, "exception occured mozTypesAt 1");
+    exh = false;
+    try { cd.mozGetDataAt("text/plain", 1); } catch (ex) { exh = true; }
+    ok(exh, "exception occured mozGetDataAt 1");
+    exh = false;
+    try { cd.mozClearDataAt("text/plain", 1); } catch (ex) { exh = true; }
+    ok(exh, "exception occured mozClearDataAt 1");
+
+    cd.setData("text/x-moz-url", "http://www.mozilla.org");
+    cd.mozSetDataAt("text/x-custom", "Custom Text with \u0000 null", 0);
+    is(cd.mozItemCount, 1, "mozItemCount after set multiple types");
+    return false;
+  };
+
+  try {
+    selectContentInput();
+    synthesizeKey("c", {accelKey: 1});
+  }
+  finally {
+    contentInput.oncopy = null;
+  }
+
+  is(getClipboardText(), "would be a phrase", "copy multiple types text");
+
+  contentInput.setSelectionRange(5, 14);
+
+  contentInput.onpaste = function(event) {
+    var cd = event.clipboardData;
+    is(cd.mozItemCount, 1, "paste after copy multiple types mozItemCount");
+    is(cd.getData("text/plain"), "would be a phrase", "paste text/plain multiple types");
+
+    // Firefox for Android's clipboard code doesn't handle x-moz-url. Therefore
+    // disabling the following test. Enable this once bug #840101 is fixed.
+    if (navigator.appVersion.indexOf("Android") == -1) {
+      is(cd.getData("text/x-moz-url"), "http://www.mozilla.org", "paste text/x-moz-url multiple types");
+      is(cd.getData("text/x-custom"), "Custom Text with \u0000 null", "paste text/custom multiple types");
+    } else {
+      is(cd.getData("text/x-custom"), "", "paste text/custom multiple types");
+    }
+
+    is(cd.getData("application/x-moz-custom-clipdata"), "", "application/x-moz-custom-clipdata is not present");
+
+    exh = false;
+    try { cd.setData("application/x-moz-custom-clipdata", "Some Data"); } catch (ex) { exh = true; }
+    ok(exh, "exception occured setData with application/x-moz-custom-clipdata");
+
+    exh = false;
+    try { cd.setData("text/plain", "Text on Paste"); } catch (ex) { exh = true; }
+    ok(exh, "exception occured setData on paste");
+
+    is(cd.getData("text/plain"), "would be a phrase", "text/plain data unchanged");
+  };
+  try {
+    synthesizeKey("v", {accelKey: 1});
+    is(contentInput.value, "This would be a phrase of text",
+      "default paste after copy multiple types");
+  } finally {
+    contentInput.onpaste = null;
+  }
+}
+
+function test_input_copy_button_dataTransfer() {
+  // Copy using event.dataTransfer when a button is focused.
+  var button = document.getElementById("button");
+  button.focus();
+  button.oncopy = function(event) {
+    ok(false, "should not be firing copy event on button");
+    return false;
+  };
+  try {
+    // copy should not occur here because buttons don't have any controller
+    // for the copy command
+    synthesizeKey("c", {accelKey: 1});
+    is(getClipboardText(), clipboardInitialValue,
+      "copy using dataTransfer on plaintext editor set clipboard correctly for button");
+
+    selectContentDiv();
+    synthesizeKey("c", {accelKey: 1});
+    is(getClipboardText(), "CONTENT TEXT",
+      "copy using dataTransfer with selection on plaintext editor set clipboard correctly for button");
+
+  } finally {
+    document.documentElement.oncopy = null;
+  }
+}
+
+function test_eventspref_disabled() {
+  // Disable clipboard events
+  return new Promise(resolve => {
+    SpecialPowers.pushPrefEnv({"set": [['dom.event.clipboardevents.enabled', false]]}, doPrefDisabledTest);
+
+    function doPrefDisabledTest() {
+      var event_fired = false;
+      contentInput.oncut = function() { event_fired = true; };
+      contentInput.oncopy = function() { event_fired = true; };
+      contentInput.onpaste = function() { event_fired = true; };
+      try {
+        selectContentInput();
+        contentInput.setSelectionRange(1, 4);
+        synthesizeKey("x", {accelKey: 1});
+        is(contentInput.value, "IT TEXT", "cut changed text when preference is disabled");
+        is(getClipboardText(), "NPU", "cut changed clipboard when preference is disabled");
+        ok(!event_fired, "cut event did not fire when preference is disabled")
+
+        event_fired = false;
+        contentInput.setSelectionRange(3, 6);
+        synthesizeKey("c", {accelKey: 1});
+        is(getClipboardText(), "TEX", "copy changed clipboard when preference is disabled");
+        ok(!event_fired, "copy event did not fire when preference is disabled")
+
+        event_fired = false;
+        contentInput.setSelectionRange(0, 2);
+        synthesizeKey("v", {accelKey: 1});
+        is(contentInput.value, "TEX TEXT", "paste changed text when preference is disabled");
+        ok(!event_fired, "paste event did not fire when preference is disabled")
+      } finally {
+        contentInput.oncut = null;
+        contentInput.oncopy = null;
+        contentInput.onpaste = null;
+      }
+
+      SpecialPowers.popPrefEnv(resolve);
+    }
+  });
+}
+
+let expectedData = [];
+
+// Check to make that synthetic events do not change the clipboard
+function checkSyntheticEvents()
+{
+  let syntheticSpot = document.getElementById("syntheticSpot");
+  setClipboardText(clipboardInitialValue);
+
+  // No dataType specified
+  let event = new ClipboardEvent("cut", { data: "something" });
+  expectedData = { type: "cut", data: null }
+  compareSynthetic(event, "before");
+  syntheticSpot.dispatchEvent(event);
+  ok(expectedData.eventFired, "cut event fired");
+  compareSynthetic(event, "after");
+
+  event = new ClipboardEvent("cut", { dataType: "text/plain", data: "something" });
+  expectedData = { type: "cut", dataType: "text/plain", data: "something" }
+  compareSynthetic(event, "before");
+  syntheticSpot.dispatchEvent(event);
+  ok(expectedData.eventFired, "cut event fired");
+  compareSynthetic(event, "after");
+
+  event = new ClipboardEvent("copy", { dataType: "text/plain", data: "something" });
+  expectedData = { type: "copy", dataType: "text/plain", data: "something" }
+  compareSynthetic(event, "before");
+  syntheticSpot.dispatchEvent(event);
+  ok(expectedData.eventFired, "copy event fired");
+  compareSynthetic(event, "after");
+
+  event = new ClipboardEvent("copy", { dataType: "text/plain" });
+  expectedData = { type: "copy", dataType: "text/plain", data: "" }
+  compareSynthetic(event, "before");
+  syntheticSpot.dispatchEvent(event);
+  ok(expectedData.eventFired, "copy event fired");
+  compareSynthetic(event, "after");
+
+  event = new ClipboardEvent("paste", { dataType: "text/plain", data: "something" });
+  expectedData = { type: "paste", dataType: "text/plain", data: "something" }
+  compareSynthetic(event, "before");
+  syntheticSpot.dispatchEvent(event);
+  ok(expectedData.eventFired, "paste event fired");
+  compareSynthetic(event, "after");
+
+  event = new ClipboardEvent("paste", { dataType: "application/unknown", data: "unknown" });
+  expectedData = { type: "paste", dataType: "application/unknown", data: "unknown" }
+  compareSynthetic(event, "before");
+  syntheticSpot.dispatchEvent(event);
+  ok(expectedData.eventFired, "paste event fired");
+  compareSynthetic(event, "after");
+}
+
+function compareSynthetic(event, eventtype)
+{
+  let step = (eventtype == "cut" || eventtype == "copy" || eventtype == "paste") ? "during" : eventtype;
+  if (step == "during") {
+    is(eventtype, expectedData.type, "synthetic " + eventtype + " event fired");
+  }
+
+  ok(event.clipboardData instanceof DataTransfer, "clipboardData is assigned");
+
+  is(event.type, expectedData.type, "synthetic " + eventtype + " event type");
+  if (expectedData.data === null) {
+    is(event.clipboardData.mozItemCount, 0, "synthetic " + eventtype + " empty data");
+  }
+  else {
+    is(event.clipboardData.mozItemCount, 1, "synthetic " + eventtype + " item count");
+    is(event.clipboardData.types.length, 1, "synthetic " + eventtype + " types length");
+    is(event.clipboardData.getData(expectedData.dataType), expectedData.data,
+       "synthetic " + eventtype + " data");
+  }
+
+  is(getClipboardText(), "empty", "event does not change the clipboard " + step + " dispatch");
+
+  if (step == "during") {
+    expectedData.eventFired = true;
+  }
+}
+
+function checkCachedDataTransfer(cd, eventtype)
+{
+  var testprefix = "cached " + eventtype + " dataTransfer";
+
+  setClipboardText("Some Clipboard Text");
+
+  var oldtext = cd.getData("text/plain");
+  ok(oldtext != "Some Clipboard Text", "clipboard get using " + testprefix);
+
+  var exh = false;
+  try { cd.mozSetDataAt("text/plain", "Test Cache Data", 0); } catch (ex) { exh = true; }
+  ok(eventtype == "paste" ? exh : !exh, "exception occured setting " + testprefix);
+
+  var newtext = (eventtype == "paste") ? cd.getData("text/plain") :
+                                         cd.mozGetDataAt("text/plain", 0);
+  is(newtext, (eventtype == "paste") ? oldtext : "Test Cache Data",
+     " clipboardData not changed using " + testprefix);
+
+  is(getClipboardText(), "Some Clipboard Text", "clipboard not changed using " + testprefix);
+
+  var exh = false;
+  try { cd.mozClearDataAt("text/plain", 0); } catch (ex) { exh = true; }
+  ok(eventtype == "paste" ? exh : !exh, "exception occured clearing " + testprefix);
+
+  is(getClipboardText(), "Some Clipboard Text", "clipboard not changed using " + testprefix);
+}
+
+// Try copying an image to the clipboard and make sure that it looks correct when pasting it.
+function test_image_dataTransfer() {
+  // cmd_copyImageContents errors on Android (bug 1299578).
+  if (navigator.userAgent.includes("Android")) {
+    return;
+  }
+
+  // Copy the image's data to the clipboard
+  SpecialPowers.setCommandNode(window, document.getElementById("image"));
+  SpecialPowers.doCommand(window, "cmd_copyImageContents");
+
+  let onpasteCalled = false;
+  document.onpaste = function(event) {
+    ok(event instanceof ClipboardEvent, "paste event is an ClipboardEvent");
+    ok(event.clipboardData instanceof DataTransfer, "paste event dataTransfer is a DataTransfer");
+    let items = event.clipboardData.items;
+    let foundData = false;
+    for (let i = 0; i < items.length; ++i)  {
+      if (items[i].kind == "file") {
+        foundData = true;
+        is(items[i].type, "image/png", "The type of the data must be image/png");
+        is(items[i].getAsFile().type, "image/png", "The attached file must be image/png");
+      }
+    }
+    ok(foundData, "Should have found a file entry in the DataTransferItemList");
+    let files = event.clipboardData.files;
+    is(files.length, 1, "There should only be one file on the DataTransfer");
+    is(files[0].type, "image/png", "The only file should be an image/png");
+    onpasteCalled = true;
+  }
+
+  try {
+    synthesizeKey("v", {accelKey: 1});
+    ok(onpasteCalled, "The paste event listener must have been called");
+  } finally {
+    document.onpaste = null;
+  }
+}
+
+SimpleTest.waitForFocus(doTests);
+
+</script>
+</pre>
+</body>
+</html>
author	Matt A. Tobin <mattatobin@localhost.localdomain>	2018-02-02 04:16:08 -0500
committer	Matt A. Tobin <mattatobin@localhost.localdomain>	2018-02-02 04:16:08 -0500
commit	5f8de423f190bbb79a62f804151bc24824fa32d8 (patch)
tree	10027f336435511475e392454359edea8e25895d /dom/tests/mochitest/general/test_clipboard_events.html
parent	49ee0794b5d912db1f95dce6eb52d781dc210db5 (diff)
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