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authorMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
committerMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
commit5f8de423f190bbb79a62f804151bc24824fa32d8 (patch)
tree10027f336435511475e392454359edea8e25895d /dom/events/test/test_paste_image.html
parent49ee0794b5d912db1f95dce6eb52d781dc210db5 (diff)
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Add m-esr52 at 52.6.0
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+<html><head>
+<title>Test for bug 891247</title>
+<link rel="stylesheet" href="/tests/SimpleTest/test.css">
+<script type="application/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>
+<script type="text/javascript" src="/tests/SimpleTest/EventUtils.js"></script>
+
+<script class="testbody" type="application/javascript">
+ function ImageTester() {
+ var counter = 0;
+ var images = [];
+ var that = this;
+
+ this.add = function(aFile) {
+ images.push(aFile);
+ };
+
+ this.test = function() {
+ for (var i = 0; i < images.length; i++) {
+ testImageSize(images[i]);
+ }
+ };
+
+ this.returned = function() {
+ counter++;
+ info("returned=" + counter + " images.length=" + images.length);
+ if (counter == images.length) {
+ info("test finish");
+ SimpleTest.finish();
+ }
+ };
+
+ function testImageSize(aFile) {
+ var source = window.URL.createObjectURL(aFile);
+ var image = new Image();
+ image.src = source;
+ var imageTester = that;
+ image.onload = function() {
+ is(this.width, 62, "Check generated image width");
+ is(this.height, 71, "Check generated image height");
+ if (aFile.type == "image/gif") {
+ // this test fails for image/jpeg and image/png because the images
+ // generated are slightly different
+ testImageCanvas(image);
+ }
+
+ imageTester.returned();
+ }
+
+ document.body.appendChild(image);
+ };
+
+ function testImageCanvas(aImage) {
+ var canvas = drawToCanvas(aImage);
+
+ var refImage = document.getElementById('image');
+ var refCanvas = drawToCanvas(refImage);
+
+ is(canvas.toDataURL(), refCanvas.toDataURL(), "Image should map pixel-by-pixel");
+ }
+
+ function drawToCanvas(aImage) {
+ var canvas = document.createElement("CANVAS");
+ document.body.appendChild(canvas);
+ canvas.width = aImage.width;
+ canvas.height = aImage.height;
+ canvas.getContext('2d').drawImage(aImage, 0, 0);
+ return canvas;
+ }
+ }
+
+ function copyImage(aImageId) {
+ // selection of the node
+ var node = document.getElementById(aImageId);
+ var webnav = SpecialPowers.wrap(window)
+ .QueryInterface(SpecialPowers.Ci.nsIInterfaceRequestor)
+ .getInterface(SpecialPowers.Ci.nsIWebNavigation)
+
+ var docShell = webnav.QueryInterface(SpecialPowers.Ci.nsIDocShell);
+
+ // let's copy the node
+ var documentViewer = docShell.contentViewer
+ .QueryInterface(SpecialPowers.Ci.nsIContentViewerEdit);
+ documentViewer.setCommandNode(node);
+ documentViewer.copyImage(documentViewer.COPY_IMAGE_ALL);
+ }
+
+ function doTest() {
+ SimpleTest.waitForExplicitFinish();
+
+ copyImage('image');
+
+ //--------- now check the content of the clipboard
+ var clipboard = SpecialPowers.Cc["@mozilla.org/widget/clipboard;1"]
+ .getService(SpecialPowers.Ci.nsIClipboard);
+ // does the clipboard contain text/unicode data ?
+ ok(clipboard.hasDataMatchingFlavors(["text/unicode"], 1, clipboard.kGlobalClipboard),
+ "clipboard contains unicode text");
+ // does the clipboard contain text/html data ?
+ ok(clipboard.hasDataMatchingFlavors(["text/html"], 1, clipboard.kGlobalClipboard),
+ "clipboard contains html text");
+ // does the clipboard contain image data ?
+ ok(clipboard.hasDataMatchingFlavors(["image/png"], 1, clipboard.kGlobalClipboard),
+ "clipboard contains image");
+
+ window.addEventListener("paste", onPaste);
+
+ var textarea = SpecialPowers.wrap(document.getElementById('textarea'));
+ textarea.focus();
+ textarea.editor.paste(clipboard.kGlobalClipboard);
+ }
+
+ function onPaste(e) {
+ var imageTester = new ImageTester;
+ testFiles(e, imageTester);
+ testItems(e, imageTester);
+ imageTester.test();
+ }
+
+ function testItems(e, imageTester) {
+ var items = e.clipboardData.items;
+ is(items, e.clipboardData.items,
+ "Getting @items twice should return the same object");
+ var haveFiles = false;
+ ok(items instanceof DataTransferItemList, "@items implements DataTransferItemList");
+ ok(items.length > 0, "@items is not empty");
+ for (var i = 0; i < items.length; i++) {
+ var item = items[i];
+ ok(item instanceof DataTransferItem, "each element of @items must implement DataTransferItem");
+ if (item.kind == "file") {
+ var file = item.getAsFile();
+ ok(file instanceof File, ".getAsFile() returns a File object");
+ ok(file.size > 0, "Files shouldn't have size 0");
+ imageTester.add(file);
+ }
+ }
+ }
+
+ function testFiles(e, imageTester) {
+ var files = e.clipboardData.files;
+
+ is(files, e.clipboardData.files,
+ "Getting the files array twice should return the same array");
+ ok(files.length > 0, "There should be at least one file in the clipboard");
+ for (var i = 0; i < files.length; i++) {
+ var file = files[i];
+ ok(file instanceof File, ".files should contain only File objects");
+ ok(file.size > 0, "This file shouldn't have size 0");
+ if (file.name == "image.png") {
+ is(file.type, "image/png", "This file should be a image/png");
+ } else if (file.name == "image.jpeg") {
+ is(file.type, "image/jpeg", "This file should be a image/jpeg");
+ } else if (file.name == "image.gif") {
+ is(file.type, "image/gif", "This file should be a image/gif");
+ } else {
+ info("file.name=" + file.name);
+ ok(false, "Unexpected file name");
+ }
+
+ testSlice(file);
+ imageTester.add(file);
+ // Adding the same image again so we can test concurrency
+ imageTester.add(file);
+ }
+ }
+
+ function testSlice(aFile) {
+ var blob = aFile.slice();
+ ok(blob instanceof Blob, ".slice returns a blob");
+ is(blob.size, aFile.size, "the blob has the same size");
+
+ blob = aFile.slice(123123);
+ is(blob.size, 0, ".slice overflow check");
+
+ blob = aFile.slice(123, 123141);
+ is(blob.size, aFile.size - 123, ".slice @size check");
+
+ blob = aFile.slice(123, 12);
+ is(blob.size, 0, ".slice @size check 2");
+
+ blob = aFile.slice(124, 134, "image/png");
+ is(blob.size, 10, ".slice @size check 3");
+ is(blob.type, "image/png", ".slice @type check");
+ }
+
+</script>
+<body onload="doTest();">
+ <img id="image" src="data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAD4AAABHCA
+ IAAADQjmMaAAAACXBIWXMAAAsTAAALEwEAmpwYAAAAB3RJTUUH3goUAwAgSAORBwAAABl0RVh0Q29
+ tbWVudABDcmVhdGVkIHdpdGggR0lNUFeBDhcAAABPSURBVGje7c4BDQAACAOga//OmuMbJGAurTbq
+ 6urq6urq6urq6urq6urq6urq6urq6urq6urq6urq6urq6urq6urq6urq6urq6urq6s31B0IqAY2/t
+ QVCAAAAAElFTkSuQmCC" />
+ <form>
+ <textarea id="textarea"></textarea>
+ </form>
+</body>
+</html>
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