The Tor Browser: layout/base/tests/chrome/printpreview

layout/base/tests/chrome/printpreview_helper.xul@b8a032363ba2 (annotated)

layout/base/tests/chrome/printpreview_helper.xul

Thu, 22 Jan 2015 13:21:57 +0100

author: Michael Schloh von Bennewitz <michael@schloh.com>
date: Thu, 22 Jan 2015 13:21:57 +0100
branch: TOR_BUG_9701
changeset 15: b8a032363ba2
permissions: -rw-r--r--

Incorporate requested changes from Mozilla in review:
https://bugzilla.mozilla.org/show_bug.cgi?id=1123480#c6

 <?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();
   setTimeout(runTest6, 0);
 }
 // Crash test for bug 878037
 function runTest6() {
   window.frames[0].document.body.innerHTML =
     '<style> li { list-style-image: url("animated.gif"); } </style>' +
     '<li>Firefox will crash if you try and print this page</li>';
   setTimeout(runTest6end, 500);
 }
 function runTest6end() {
   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>

The Tor Browser / annotate

layout/base/tests/chrome/printpreview_helper.xul@b8a032363ba2 (annotated)

layout/base/tests/chrome/printpreview_helper.xul