gecko-dev/layout/base/tests/chrome/printpreview_helper.xul

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<?xml version="1.0"?>
<?xml-stylesheet type="text/css" href="chrome://global/skin"?>
<?xml-stylesheet href="chrome://mochikit/content/tests/SimpleTest/test.css"
type="text/css"?>
<window onload="runTests()"
xmlns="http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul">
<iframe height="200" width="600" type="content"></iframe>
<iframe height="200" width="600" type="content"></iframe>
<script type="application/javascript">
<![CDATA[
var is = window.opener.wrappedJSObject.is;
var isnot = window.opener.wrappedJSObject.isnot;
var ok = window.opener.wrappedJSObject.ok;
var todo = window.opener.wrappedJSObject.todo;
var SimpleTest = window.opener.wrappedJSObject.SimpleTest;
var gWbp;
var ctx1;
var ctx2;
var counter = 0;
var file = Components.classes["@mozilla.org/file/directory_service;1"]
.getService(Components.interfaces.nsIProperties)
.get("TmpD", Components.interfaces.nsILocalFile);
filePath = file.path;
function printpreview() {
gWbp = window.frames[1].QueryInterface(Components.interfaces.nsIInterfaceRequestor)
.getInterface(Components.interfaces.nsIWebBrowserPrint);
var listener = {
onLocationChange: function(webProgress, request, location, flags) { },
onProgressChange: function(webProgress, request, curSelfProgress,
maxSelfProgress, curTotalProgress,
maxTotalProgress) { },
onSecurityChange: function(webProgress, request, state) { },
onStateChange: function(webProgress, request, stateFlags, status) { },
onStatusChange: function(webProgress, request, status, message) { },
QueryInterface: function(iid) {
if (iid.equals(Components.interfaces.nsIWebProgressListener) ||
iid.equals(Components.interfaces.nsISupportsWeakReference))
return this;
throw Components.results.NS_NOINTERFACE;
}
}
var prefs = Components.classes["@mozilla.org/preferences-service;1"]
.getService(Components.interfaces.nsIPrefBranch);
prefs.setBoolPref('print.show_print_progress', false);
//XXX I would have thought this would work, instead I'm forced to use prefs service
gWbp.globalPrintSettings.showPrintProgress = false;
var before = 0;
var after = 0;
function beforeprint() { ++before; }
function afterprint() { ++after; }
window.frames[0].addEventListener("beforeprint", beforeprint, true);
window.frames[0].addEventListener("afterprint", afterprint, true);
gWbp.printPreview(gWbp.globalPrintSettings, window.frames[0], listener);
is(before, 1, "Should have called beforeprint listener!");
is(after, 1, "Should have called afterprint listener!");
window.frames[0].removeEventListener("beforeprint", beforeprint, true);
window.frames[0].removeEventListener("afterprint", afterprint, true);
prefs.clearUserPref('print.show_print_progress');
}
function exitprintpreview() {
window.frames[1].QueryInterface(Components.interfaces.nsIInterfaceRequestor)
.getInterface(Components.interfaces.nsIWebBrowserPrint).exitPrintPreview();
}
function finish() {
SimpleTest.finish();
window.close();
}
function runTests()
{
var printService = Components.classes["@mozilla.org/gfx/printsettings-service;1"]
.getService(Components.interfaces.nsIPrintSettingsService);
try {
Components.classes["@mozilla.org/gfx/printerenumerator;1"]
.getService(Components.interfaces.nsIPrinterEnumerator);
} catch(e) {
todo(false, "Test skipped on MacOSX, as the print preview code doesn't work there");
finish();
return;
}
if (printService.defaultPrinterName != '') {
startTest1();
} else {
todo(false, "No printer seems installed on this machine, that is necessary for this test");
finish();
}
}
function compareCanvases() {
return window.QueryInterface(Components.interfaces.nsIInterfaceRequestor)
.getInterface(Components.interfaces.nsIDOMWindowUtils)
.compareCanvases(document.getElementsByTagName("canvas")[0],
document.getElementsByTagName("canvas")[1],
{}) == 0;
}
function addHTMLContent(parent) {
var n = parent.ownerDocument.createElement("div");
parent.appendChild(n);
var s = "<iframe width='500' height='40' src='data:text/plain,ThisIsAnIframeCreatedDuringPrintPreview'></iframe>";
s += "<table>";
for (var i = 1; i < 501; ++i) {
s += "<tr><td>Cell A" + i + "</td><td>Cell B" + i + "</td><td>Cell C" + i + "</td></tr>";
}
s += "</table>";
n.innerHTML = s;
}
function startTest1() {
ctx1 = document.getElementsByTagName("canvas")[0].getContext("2d");
ctx2 = document.getElementsByTagName("canvas")[1].getContext("2d");
window.frames[0].document.body.innerHTML = "<div> </div><div>" + counter + " timers</div><div> </div>";
// Note this timeout is needed so that we can check that timers run
// after print preview, but not during it.
window.frames[0].wrappedJSObject.counter = counter;
window.frames[0].counterTimeout = "document.body.firstChild.nextSibling.innerHTML = ++counter + ' timers';" +
"window.setTimeout(counterTimeout, 0);";
window.frames[0].setTimeout(window.frames[0].counterTimeout, 0);
window.frames[0].document.body.firstChild.innerHTML = "Print preview";
printpreview();
ctx1.drawWindow(window.frames[1], 0, 0, 300, 300, "rgb(256,256,256)");
window.frames[0].document.body.firstChild.innerHTML = "Galley presentation";
// Add some elements.
addHTMLContent(window.frames[0].document.body.lastChild);
// Delete them.
window.frames[0].document.body.lastChild.innerHTML = "";
// And readd.
addHTMLContent(window.frames[0].document.body.lastChild);
setTimeout(finalizeTest1, 1000);
}
function finalizeTest1() {
ctx2.drawWindow(window.frames[1], 0, 0, 300, 300, "rgb(256,256,256)");
exitprintpreview();
ok(compareCanvases(), "Canvas should be the same!");
counter = window.frames[0].counter;
// This timeout is needed so that we can check that timers do run after
// print preview.
setTimeout(runTest2, 1000);
}
function runTest2() {
isnot(window.frames[0].document.body.firstChild.nextSibling.textContent, "0 timers", "Timers should have run!");
isnot(window.frames[0].counter, 0, "Timers should have run!");
counter = window.frames[0].counter;
window.frames[0].counterTimeout = "";
setTimeout(runTest3, 0);
}
var elementIndex = 0;
var compareEmptyElement = true;
var emptyFormElements =
["<input type='text'>",
"<input type='password'>",
"<input type='file'>",
"<input type='button'>",
"<input type='submit'>",
"<input type='reset'>",
"<input type='checkbox'>",
"<input type='radio'>",
"<select></select>",
"<select size='5'></select>",
"<textarea></textarea>"];
var formElements =
["<input type='text' value='text'>",
"<input type='password' value='password'>",
"<input type='file' value='" + filePath + "'>",
"<input type='button' value='button'>",
"<input type='submit' value='submit button'>",
"<input type='reset' value='reset button'>",
"<input type='checkbox' checked>",
"<input type='radio' checked>",
"<select><option>option1</option></select>",
"<select size='5'><option>1</option><option>2</option><option>3</option></select>",
"<textarea value='textarea'>textarea</textarea>"];
function runTest3() {
if (compareEmptyElement) {
var currentIndex = elementIndex;
++elementIndex;
if (elementIndex >= emptyFormElements.length) {
elementIndex = 0;
compareEmptyElement = false;
}
compareFormElementPrint(emptyFormElements[currentIndex], emptyFormElements[currentIndex], true);
return;
} else if (elementIndex < emptyFormElements.length) {
var currentIndex = elementIndex;
++elementIndex;
compareFormElementPrint(emptyFormElements[currentIndex], formElements[currentIndex], false);
return;
}
setTimeout(runTest4, 0)
}
function compareFormElementPrint(el1, el2, equals) {
window.frames[0].document.body.innerHTML = el1;
window.frames[0].document.body.firstChild.value =
window.frames[0].document.body.firstChild.getAttribute('value');
printpreview();
ctx1.drawWindow(window.frames[1], 0, 0, 300, 300, "rgb(256,256,256)");
exitprintpreview();
window.frames[0].document.body.innerHTML = el2;
window.frames[0].document.body.firstChild.value =
window.frames[0].document.body.firstChild.getAttribute('value');
printpreview();
ctx2.drawWindow(window.frames[1], 0, 0, 300, 300, "rgb(256,256,256)");
exitprintpreview();
is(compareCanvases(), equals,
"Comparing print preview didn't succeed [" + el1 + " : " + el2 + "]");
setTimeout(runTest3, 100);
}
// This is a crash test for bug 539060.
function runTest4() {
window.frames[0].document.body.innerHTML =
"<iframe style='display: none;' src='data:text/html,<iframe>'></iframe>";
setTimeout(runTest4end, 500);
}
function runTest4end() {
printpreview();
exitprintpreview();
runTest5();
}
// This is a crash test for bug 595337
function runTest5() {
window.frames[0].document.body.innerHTML =
'<iframe style="position: fixed; visibility: hidden; bottom: 10em;"></iframe>' +
'<input contenteditable="true" style="display: table; page-break-before: left; width: 10000px;">';
printpreview();
exitprintpreview();
finish();
}
]]></script>
<table style="border: 1px solid black;" xmlns="http://www.w3.org/1999/xhtml">
<tr><th>Print preview canvas 1</th><th>Print preview canvas 2</th></tr>
<tr>
<td><canvas height="300" width="300"></canvas></td>
<td><canvas height="300" width="300"></canvas></td>
</tr></table>
</window>