gecko-dev/layout/tools/reftest/reftest-content.js

1698 строки
63 KiB
JavaScript

/* -*- indent-tabs-mode: nil; js-indent-level: 4 -*- /
/* vim: set shiftwidth=4 tabstop=8 autoindent cindent expandtab: */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
const XHTML_NS = "http://www.w3.org/1999/xhtml";
const DEBUG_CONTRACTID = "@mozilla.org/xpcom/debug;1";
const PRINTSETTINGS_CONTRACTID = "@mozilla.org/gfx/printsettings-service;1";
const ENVIRONMENT_CONTRACTID = "@mozilla.org/process/environment;1";
const NS_OBSERVER_SERVICE_CONTRACTID = "@mozilla.org/observer-service;1";
const NS_GFXINFO_CONTRACTID = "@mozilla.org/gfx/info;1";
const IO_SERVICE_CONTRACTID = "@mozilla.org/network/io-service;1"
// "<!--CLEAR-->"
const BLANK_URL_FOR_CLEARING = "data:text/html;charset=UTF-8,%3C%21%2D%2DCLEAR%2D%2D%3E";
Cu.import("resource://gre/modules/Timer.jsm");
Cu.import("resource://reftest/AsyncSpellCheckTestHelper.jsm");
Cu.import("resource://gre/modules/Services.jsm");
// This will load chrome Custom Elements inside chrome documents:
ChromeUtils.import("resource://gre/modules/CustomElementsListener.jsm", null);
var gBrowserIsRemote;
var gIsWebRenderEnabled;
var gHaveCanvasSnapshot = false;
// Plugin layers can be updated asynchronously, so to make sure that all
// layer surfaces have the right content, we need to listen for explicit
// "MozPaintWait" and "MozPaintWaitFinished" events that signal when it's OK
// to take snapshots. We cannot take a snapshot while the number of
// "MozPaintWait" events fired exceeds the number of "MozPaintWaitFinished"
// events fired. We count the number of such excess events here. When
// the counter reaches zero we call gExplicitPendingPaintsCompleteHook.
var gExplicitPendingPaintCount = 0;
var gExplicitPendingPaintsCompleteHook;
var gCurrentURL;
var gCurrentURLRecordResults;
var gCurrentURLTargetType;
var gCurrentTestType;
var gTimeoutHook = null;
var gFailureTimeout = null;
var gFailureReason;
var gAssertionCount = 0;
var gDebug;
var gVerbose = false;
var gCurrentTestStartTime;
var gClearingForAssertionCheck = false;
const TYPE_LOAD = 'load'; // test without a reference (just test that it does
// not assert, crash, hang, or leak)
const TYPE_SCRIPT = 'script'; // test contains individual test results
const TYPE_PRINT = 'print'; // test and reference will be printed to PDF's and
// compared structurally
// keep this in sync with globals.jsm
const URL_TARGET_TYPE_TEST = 0; // first url
const URL_TARGET_TYPE_REFERENCE = 1; // second url, if any
function markupDocumentViewer() {
return docShell.contentViewer;
}
function webNavigation() {
return docShell.QueryInterface(Ci.nsIWebNavigation);
}
function windowUtilsForWindow(w) {
return w.windowUtils;
}
function windowUtils() {
return windowUtilsForWindow(content);
}
function IDForEventTarget(event)
{
try {
return "'" + event.target.getAttribute('id') + "'";
} catch (ex) {
return "<unknown>";
}
}
function PaintWaitListener(event)
{
LogInfo("MozPaintWait received for ID " + IDForEventTarget(event));
gExplicitPendingPaintCount++;
}
function PaintWaitFinishedListener(event)
{
LogInfo("MozPaintWaitFinished received for ID " + IDForEventTarget(event));
gExplicitPendingPaintCount--;
if (gExplicitPendingPaintCount < 0) {
LogWarning("Underrun in gExplicitPendingPaintCount\n");
gExplicitPendingPaintCount = 0;
}
if (gExplicitPendingPaintCount == 0 &&
gExplicitPendingPaintsCompleteHook) {
gExplicitPendingPaintsCompleteHook();
}
}
function OnInitialLoad()
{
removeEventListener("load", OnInitialLoad, true);
gDebug = Cc[DEBUG_CONTRACTID].getService(Ci.nsIDebug2);
if (gDebug.isDebugBuild) {
gAssertionCount = gDebug.assertionCount;
}
var env = Cc[ENVIRONMENT_CONTRACTID].getService(Ci.nsIEnvironment);
gVerbose = !!env.get("MOZ_REFTEST_VERBOSE");
RegisterMessageListeners();
var initInfo = SendContentReady();
gBrowserIsRemote = initInfo.remote;
addEventListener("load", OnDocumentLoad, true);
addEventListener("MozPaintWait", PaintWaitListener, true);
addEventListener("MozPaintWaitFinished", PaintWaitFinishedListener, true);
LogInfo("Using browser remote="+ gBrowserIsRemote +"\n");
}
function SetFailureTimeout(cb, timeout, uri)
{
var targetTime = Date.now() + timeout;
var wrapper = function() {
// Timeouts can fire prematurely in some cases (e.g. in chaos mode). If this
// happens, set another timeout for the remaining time.
let remainingMs = targetTime - Date.now();
if (remainingMs > 0) {
SetFailureTimeout(cb, remainingMs);
} else {
cb();
}
}
// Once OnDocumentLoad is called to handle the 'load' event it will update
// this error message to reflect what stage of the processing it has reached
// as it advances to each stage in turn.
gFailureReason = "timed out after " + timeout +
" ms waiting for 'load' event for " + uri;
gFailureTimeout = setTimeout(wrapper, timeout);
}
function StartTestURI(type, uri, uriTargetType, timeout)
{
// The GC is only able to clean up compartments after the CC runs. Since
// the JS ref tests disable the normal browser chrome and do not otherwise
// create substatial DOM garbage, the CC tends not to run enough normally.
windowUtils().runNextCollectorTimer();
// Reset gExplicitPendingPaintCount in case there was a timeout or
// the count is out of sync for some other reason
if (gExplicitPendingPaintCount != 0) {
LogWarning("Resetting gExplicitPendingPaintCount to zero (currently " +
gExplicitPendingPaintCount + "\n");
gExplicitPendingPaintCount = 0;
}
gCurrentTestType = type;
gCurrentURL = uri;
gCurrentURLTargetType = uriTargetType;
gCurrentURLRecordResults = 0;
gCurrentTestStartTime = Date.now();
if (gFailureTimeout != null) {
SendException("program error managing timeouts\n");
}
SetFailureTimeout(LoadFailed, timeout, uri);
LoadURI(gCurrentURL);
}
function setupTextZoom(contentRootElement) {
if (!contentRootElement || !contentRootElement.hasAttribute('reftest-text-zoom'))
return;
markupDocumentViewer().textZoom =
contentRootElement.getAttribute('reftest-text-zoom');
}
function setupFullZoom(contentRootElement) {
if (!contentRootElement || !contentRootElement.hasAttribute('reftest-zoom'))
return;
markupDocumentViewer().fullZoom =
contentRootElement.getAttribute('reftest-zoom');
}
function resetZoomAndTextZoom() {
markupDocumentViewer().fullZoom = 1.0;
markupDocumentViewer().textZoom = 1.0;
}
function doPrintMode(contentRootElement) {
// use getAttribute because className works differently in HTML and SVG
if (contentRootElement &&
contentRootElement.hasAttribute('class')) {
var classList = contentRootElement.getAttribute('class').split(/\s+/);
if (classList.includes("reftest-print")) {
SendException("reftest-print is obsolete, use reftest-paged instead");
return;
}
return classList.includes("reftest-paged");
}
}
function setupPrintMode() {
var PSSVC =
Cc[PRINTSETTINGS_CONTRACTID].getService(Ci.nsIPrintSettingsService);
var ps = PSSVC.newPrintSettings;
ps.paperWidth = 5;
ps.paperHeight = 3;
// Override any os-specific unwriteable margins
ps.unwriteableMarginTop = 0;
ps.unwriteableMarginLeft = 0;
ps.unwriteableMarginBottom = 0;
ps.unwriteableMarginRight = 0;
ps.headerStrLeft = "";
ps.headerStrCenter = "";
ps.headerStrRight = "";
ps.footerStrLeft = "";
ps.footerStrCenter = "";
ps.footerStrRight = "";
docShell.contentViewer.setPageModeForTesting(/* aPageMode */ true, ps);
}
// Prints current page to a PDF file and calls callback when sucessfully
// printed and written.
function printToPdf(callback) {
let currentDoc = content.document;
let isPrintSelection = false;
let printRange = '';
if (currentDoc) {
let contentRootElement = currentDoc.documentElement;
printRange = contentRootElement.getAttribute("reftest-print-range") || '';
}
if (printRange) {
if (printRange === 'selection') {
isPrintSelection = true;
} else if (!/^[1-9]\d*-[1-9]\d*$/.test(printRange)) {
SendException("invalid value for reftest-print-range");
return;
}
}
let fileName = "reftest-print.pdf";
let file = Services.dirsvc.get("TmpD", Ci.nsIFile);
file.append(fileName);
file.createUnique(file.NORMAL_FILE_TYPE, 0o644);
let PSSVC = Cc[PRINTSETTINGS_CONTRACTID].getService(Ci.nsIPrintSettingsService);
let ps = PSSVC.newPrintSettings;
ps.printSilent = true;
ps.showPrintProgress = false;
ps.printBGImages = true;
ps.printBGColors = true;
ps.printToFile = true;
ps.toFileName = file.path;
ps.outputFormat = Ci.nsIPrintSettings.kOutputFormatPDF;
if (isPrintSelection) {
ps.printRange = Ci.nsIPrintSettings.kRangeSelection;
} else if (printRange) {
ps.printRange = Ci.nsIPrintSettings.kRangeSpecifiedPageRange;
let range = printRange.split('-');
ps.startPageRange = +range[0] || 1;
ps.endPageRange = +range[1] || 1;
}
let webBrowserPrint = content.getInterface(Ci.nsIWebBrowserPrint);
webBrowserPrint.print(ps, {
onStateChange: function(webProgress, request, stateFlags, status) {
if (stateFlags & Ci.nsIWebProgressListener.STATE_STOP &&
stateFlags & Ci.nsIWebProgressListener.STATE_IS_NETWORK) {
callback(status, file.path);
}
},
onProgressChange: function () {},
onLocationChange: function () {},
onStatusChange: function () {},
onSecurityChange: function () {},
onContentBlockingEvent: function () {},
});
}
function attrOrDefault(element, attr, def) {
return element.hasAttribute(attr) ? Number(element.getAttribute(attr)) : def;
}
function setupViewport(contentRootElement) {
if (!contentRootElement) {
return;
}
var sw = attrOrDefault(contentRootElement, "reftest-scrollport-w", 0);
var sh = attrOrDefault(contentRootElement, "reftest-scrollport-h", 0);
if (sw !== 0 || sh !== 0) {
LogInfo("Setting viewport to <w=" + sw + ", h=" + sh + ">");
windowUtils().setVisualViewportSize(sw, sh);
}
var res = attrOrDefault(contentRootElement, "reftest-resolution", 1);
if (res !== 1) {
LogInfo("Setting resolution to " + res);
windowUtils().setResolutionAndScaleTo(res);
}
// XXX support viewconfig when needed
}
function setupDisplayport(contentRootElement) {
if (!contentRootElement) {
return;
}
function setupDisplayportForElement(element, winUtils) {
var dpw = attrOrDefault(element, "reftest-displayport-w", 0);
var dph = attrOrDefault(element, "reftest-displayport-h", 0);
var dpx = attrOrDefault(element, "reftest-displayport-x", 0);
var dpy = attrOrDefault(element, "reftest-displayport-y", 0);
if (dpw !== 0 || dph !== 0 || dpx != 0 || dpy != 0) {
LogInfo("Setting displayport to <x="+ dpx +", y="+ dpy +", w="+ dpw +", h="+ dph +">");
winUtils.setDisplayPortForElement(dpx, dpy, dpw, dph, element, 1);
}
}
function setupDisplayportForElementSubtree(element, winUtils) {
setupDisplayportForElement(element, winUtils);
for (var c = element.firstElementChild; c; c = c.nextElementSibling) {
setupDisplayportForElementSubtree(c, winUtils);
}
if (element.contentDocument) {
LogInfo("Descending into subdocument");
setupDisplayportForElementSubtree(element.contentDocument.documentElement,
windowUtilsForWindow(element.contentWindow));
}
}
if (contentRootElement.hasAttribute("reftest-async-scroll")) {
setupDisplayportForElementSubtree(contentRootElement, windowUtils());
} else {
setupDisplayportForElement(contentRootElement, windowUtils());
}
}
// Returns whether any offsets were updated
function setupAsyncScrollOffsets(options) {
var currentDoc = content.document;
var contentRootElement = currentDoc ? currentDoc.documentElement : null;
if (!contentRootElement) {
return false;
}
function setupAsyncScrollOffsetsForElement(element, winUtils) {
var sx = attrOrDefault(element, "reftest-async-scroll-x", 0);
var sy = attrOrDefault(element, "reftest-async-scroll-y", 0);
if (sx != 0 || sy != 0) {
try {
// This might fail when called from RecordResult since layers
// may not have been constructed yet
winUtils.setAsyncScrollOffset(element, sx, sy);
return true;
} catch (e) {
if (!options.allowFailure) {
throw e;
}
}
}
return false;
}
function setupAsyncScrollOffsetsForElementSubtree(element, winUtils) {
var updatedAny = setupAsyncScrollOffsetsForElement(element, winUtils);
for (var c = element.firstElementChild; c; c = c.nextElementSibling) {
if (setupAsyncScrollOffsetsForElementSubtree(c, winUtils)) {
updatedAny = true;
}
}
if (element.contentDocument) {
LogInfo("Descending into subdocument (async offsets)");
if (setupAsyncScrollOffsetsForElementSubtree(element.contentDocument.documentElement,
windowUtilsForWindow(element.contentWindow))) {
updatedAny = true;
}
}
return updatedAny;
}
var asyncScroll = contentRootElement.hasAttribute("reftest-async-scroll");
if (asyncScroll) {
return setupAsyncScrollOffsetsForElementSubtree(contentRootElement, windowUtils());
}
return false;
}
function setupAsyncZoom(options) {
var currentDoc = content.document;
var contentRootElement = currentDoc ? currentDoc.documentElement : null;
if (!contentRootElement || !contentRootElement.hasAttribute('reftest-async-zoom'))
return false;
var zoom = attrOrDefault(contentRootElement, "reftest-async-zoom", 1);
if (zoom != 1) {
try {
windowUtils().setAsyncZoom(contentRootElement, zoom);
return true;
} catch (e) {
if (!options.allowFailure) {
throw e;
}
}
}
return false;
}
function resetDisplayportAndViewport() {
// XXX currently the displayport configuration lives on the
// presshell and so is "reset" on nav when we get a new presshell.
}
function shouldWaitForExplicitPaintWaiters() {
return gExplicitPendingPaintCount > 0;
}
function shouldWaitForPendingPaints() {
// if gHaveCanvasSnapshot is false, we're not taking snapshots so
// there is no need to wait for pending paints to be flushed.
return gHaveCanvasSnapshot && windowUtils().isMozAfterPaintPending;
}
function shouldWaitForReftestWaitRemoval(contentRootElement) {
// use getAttribute because className works differently in HTML and SVG
return contentRootElement &&
contentRootElement.hasAttribute('class') &&
contentRootElement.getAttribute('class').split(/\s+/)
.includes("reftest-wait");
}
function shouldSnapshotWholePage(contentRootElement) {
// use getAttribute because className works differently in HTML and SVG
return contentRootElement &&
contentRootElement.hasAttribute('class') &&
contentRootElement.getAttribute('class').split(/\s+/)
.includes("reftest-snapshot-all");
}
function getNoPaintElements(contentRootElement) {
return contentRootElement.getElementsByClassName('reftest-no-paint');
}
function getNoDisplayListElements(contentRootElement) {
return contentRootElement.getElementsByClassName('reftest-no-display-list');
}
function getDisplayListElements(contentRootElement) {
return contentRootElement.getElementsByClassName('reftest-display-list');
}
function getOpaqueLayerElements(contentRootElement) {
return contentRootElement.getElementsByClassName('reftest-opaque-layer');
}
function getAssignedLayerMap(contentRootElement) {
var layerNameToElementsMap = {};
var elements = contentRootElement.querySelectorAll('[reftest-assigned-layer]');
for (var i = 0; i < elements.length; ++i) {
var element = elements[i];
var layerName = element.getAttribute('reftest-assigned-layer');
if (!(layerName in layerNameToElementsMap)) {
layerNameToElementsMap[layerName] = [];
}
layerNameToElementsMap[layerName].push(element);
}
return layerNameToElementsMap;
}
const FlushMode = {
ALL: 0,
IGNORE_THROTTLED_ANIMATIONS: 1
};
// Initial state. When the document has loaded and all MozAfterPaint events and
// all explicit paint waits are flushed, we can fire the MozReftestInvalidate
// event and move to the next state.
const STATE_WAITING_TO_FIRE_INVALIDATE_EVENT = 0;
// When reftest-wait has been removed from the root element, we can move to the
// next state.
const STATE_WAITING_FOR_REFTEST_WAIT_REMOVAL = 1;
// When spell checking is done on all spell-checked elements, we can move to the
// next state.
const STATE_WAITING_FOR_SPELL_CHECKS = 2;
// When any pending compositor-side repaint requests have been flushed, we can
// move to the next state.
const STATE_WAITING_FOR_APZ_FLUSH = 3;
// When all MozAfterPaint events and all explicit paint waits are flushed, we're
// done and can move to the COMPLETED state.
const STATE_WAITING_TO_FINISH = 4;
const STATE_COMPLETED = 5;
function FlushRendering(aFlushMode) {
let browsingContext = content.docShell.browsingContext;
let ignoreThrottledAnimations = (aFlushMode === FlushMode.IGNORE_THROTTLED_ANIMATIONS);
let promise = content.windowGlobalChild.getActor("ReftestFission").sendQuery("FlushRendering", {browsingContext, ignoreThrottledAnimations});
return promise.then(function(result) {
for (let errorString of result.errorStrings) {
LogError(errorString);
}
for (let warningString of result.warningStrings) {
LogWarning(warningString);
}
for (let infoString of result.infoStrings) {
LogInfo(infoString);
}
}, function(reason) {
// We expect actors to go away causing sendQuery's to fail, so
// just note it.
LogInfo("FlushRendering sendQuery to parent rejected: " + reason);
});
}
function WaitForTestEnd(contentRootElement, inPrintMode, spellCheckedElements, forURL) {
// WaitForTestEnd works via the MakeProgress function below. It is responsible for
// moving through the states listed above and calling FlushRendering. We also listen
// for a number of events, the most important of which is the AfterPaintListener,
// which is responsible for updating the canvas after paints. In a fission world
// FlushRendering and updating the canvas must necessarily be async operations.
// During these async operations we want to wait for them to finish and we don't
// want to try to do anything else (what would we even want to do while only some of
// the processes involved have flushed layout or updated their layer trees?). So
// we call OperationInProgress whenever we are about to go back to the event loop
// during one of these calls, and OperationCompleted when it finishes. This prevents
// anything else from running while we wait and getting us into a confused state. We
// then record anything that happens while we are waiting to make sure that the
// right actions are triggered. The possible actions are basically calling
// MakeProgress from a setTimeout, and updating the canvas for an after paint event.
// The after paint listener just stashes the rects and we update them after a
// completed MakeProgress call. This is handled by
// HandlePendingTasksAfterMakeProgress, which also waits for any pending after paint
// events. The general sequence of events is:
// - MakeProgress
// - HandlePendingTasksAfterMakeProgress
// - wait for after paint event if one is pending
// - update canvas for after paint events we have received
// - MakeProgress
// etc
function CheckForLivenessOfContentRootElement() {
if (contentRootElement && Cu.isDeadWrapper(contentRootElement)) {
contentRootElement = null;
}
}
var setTimeoutCallMakeProgressWhenComplete = false;
var operationInProgress = false;
function OperationInProgress() {
if (operationInProgress != false) {
LogWarning("Nesting atomic operations?");
}
operationInProgress = true;
}
function OperationCompleted() {
if (operationInProgress != true) {
LogWarning("Mismatched OperationInProgress/OperationCompleted calls?");
}
operationInProgress = false;
if (setTimeoutCallMakeProgressWhenComplete) {
setTimeoutCallMakeProgressWhenComplete = false;
setTimeout(CallMakeProgress, 0);
}
}
function AssertNoOperationInProgress() {
if (operationInProgress) {
LogWarning("AssertNoOperationInProgress but operationInProgress");
}
}
var updateCanvasPending = false;
var updateCanvasRects = [];
var stopAfterPaintReceived = false;
var currentDoc = content.document;
var state = STATE_WAITING_TO_FIRE_INVALIDATE_EVENT;
var setTimeoutMakeProgressPending = false;
function CallSetTimeoutMakeProgress() {
if (setTimeoutMakeProgressPending) {
return;
}
setTimeoutMakeProgressPending = true;
setTimeout(CallMakeProgress, 0);
}
// This should only ever be called from a timeout.
function CallMakeProgress() {
if (operationInProgress) {
setTimeoutCallMakeProgressWhenComplete = true;
return;
}
setTimeoutMakeProgressPending = false;
MakeProgress();
}
var waitingForAnAfterPaint = false;
// Updates the canvas if there are pending updates for it. Checks if we
// need to call MakeProgress.
function HandlePendingTasksAfterMakeProgress() {
AssertNoOperationInProgress();
if ((state == STATE_WAITING_TO_FIRE_INVALIDATE_EVENT || state == STATE_WAITING_TO_FINISH) &&
shouldWaitForPendingPaints()) {
LogInfo("HandlePendingTasksAfterMakeProgress waiting for a MozAfterPaint");
// We are in a state where we wait for MozAfterPaint to clear and a
// MozAfterPaint event is pending, give it a chance to fire, but don't
// let anything else run.
waitingForAnAfterPaint = true;
OperationInProgress();
return;
}
if (updateCanvasPending) {
LogInfo("HandlePendingTasksAfterMakeProgress updating canvas");
updateCanvasPending = false;
let rects = updateCanvasRects;
updateCanvasRects = [];
OperationInProgress();
CheckForLivenessOfContentRootElement();
let promise = SendUpdateCanvasForEvent(forURL, rects, contentRootElement);
promise.then(function () {
OperationCompleted();
// After paint events are fired immediately after a paint (one
// of the things that can call us). Don't confuse ourselves by
// firing synchronously if we triggered the paint ourselves.
CallSetTimeoutMakeProgress();
});
}
}
// true if rectA contains rectB
function Contains(rectA, rectB) {
return (rectA.left <= rectB.left && rectB.right <= rectA.right && rectA.top <= rectB.top && rectB.bottom <= rectA.bottom);
}
// true if some rect in rectList contains rect
function ContainedIn(rectList, rect) {
for (let i = 0; i < rectList.length; ++i) {
if (Contains(rectList[i], rect)) {
return true;
}
}
return false;
}
function AfterPaintListener(event) {
LogInfo("AfterPaintListener in " + event.target.document.location.href);
if (event.target.document != currentDoc) {
// ignore paint events for subframes or old documents in the window.
// Invalidation in subframes will cause invalidation in the toplevel document anyway.
return;
}
updateCanvasPending = true;
for (let r of event.clientRects) {
if (ContainedIn(updateCanvasRects, r)) {
continue;
}
// Copy the rect; it's content and we are chrome, which means if the
// document goes away (and it can in some crashtests) our reference
// to it will be turned into a dead wrapper that we can't acccess.
updateCanvasRects.push({ left: r.left, top: r.top, right: r.right, bottom: r.bottom });
}
if (waitingForAnAfterPaint) {
waitingForAnAfterPaint = false;
OperationCompleted();
}
if (!operationInProgress) {
HandlePendingTasksAfterMakeProgress();
}
// Otherwise we know that eventually after the operation finishes we
// will get a MakeProgress and/or HandlePendingTasksAfterMakeProgress
// call, so we don't need to do anything.
}
function FromChildAfterPaintListener(event) {
LogInfo("FromChildAfterPaintListener from " + event.detail.originalTargetUri);
updateCanvasPending = true;
for (let r of event.detail.rects) {
if (ContainedIn(updateCanvasRects, r)) {
continue;
}
// Copy the rect; it's content and we are chrome, which means if the
// document goes away (and it can in some crashtests) our reference
// to it will be turned into a dead wrapper that we can't acccess.
updateCanvasRects.push({ left: r.left, top: r.top, right: r.right, bottom: r.bottom });
}
if (!operationInProgress) {
HandlePendingTasksAfterMakeProgress();
}
// Otherwise we know that eventually after the operation finishes we
// will get a MakeProgress and/or HandlePendingTasksAfterMakeProgress
// call, so we don't need to do anything.
}
function AttrModifiedListener() {
LogInfo("AttrModifiedListener fired");
// Wait for the next return-to-event-loop before continuing --- for
// example, the attribute may have been modified in an subdocument's
// load event handler, in which case we need load event processing
// to complete and unsuppress painting before we check isMozAfterPaintPending.
CallSetTimeoutMakeProgress();
}
function ExplicitPaintsCompleteListener() {
LogInfo("ExplicitPaintsCompleteListener fired");
// Since this can fire while painting, don't confuse ourselves by
// firing synchronously. It's fine to do this asynchronously.
CallSetTimeoutMakeProgress();
}
function RemoveListeners() {
// OK, we can end the test now.
removeEventListener("MozAfterPaint", AfterPaintListener, false);
removeEventListener("Reftest:MozAfterPaintFromChild", FromChildAfterPaintListener, false);
CheckForLivenessOfContentRootElement();
if (contentRootElement) {
contentRootElement.removeEventListener("DOMAttrModified", AttrModifiedListener);
}
gExplicitPendingPaintsCompleteHook = null;
gTimeoutHook = null;
// Make sure we're in the COMPLETED state just in case
// (this may be called via the test-timeout hook)
state = STATE_COMPLETED;
}
// Everything that could cause shouldWaitForXXX() to
// change from returning true to returning false is monitored via some kind
// of event listener which eventually calls this function.
function MakeProgress() {
if (state >= STATE_COMPLETED) {
LogInfo("MakeProgress: STATE_COMPLETED");
return;
}
LogInfo("MakeProgress");
// We don't need to flush styles any more when we are in the state
// after reftest-wait has removed.
OperationInProgress();
let promise = Promise.resolve(undefined);
if (state != STATE_WAITING_TO_FINISH) {
// If we are waiting for the MozReftestInvalidate event we don't want
// to flush throttled animations. Flushing throttled animations can
// continue to cause new MozAfterPaint events even when all the
// rendering we're concerned about should have ceased. Since
// MozReftestInvalidate won't be sent until we finish waiting for all
// MozAfterPaint events, we should avoid flushing throttled animations
// here or else we'll never leave this state.
flushMode = (state === STATE_WAITING_TO_FIRE_INVALIDATE_EVENT)
? FlushMode.IGNORE_THROTTLED_ANIMATIONS
: FlushMode.ALL;
promise = FlushRendering(flushMode);
}
promise.then(function () {
OperationCompleted();
MakeProgress2();
// If there is an operation in progress then we know there will be
// a MakeProgress call is will happen after it finishes.
if (!operationInProgress) {
HandlePendingTasksAfterMakeProgress();
}
});
}
function MakeProgress2() {
switch (state) {
case STATE_WAITING_TO_FIRE_INVALIDATE_EVENT: {
LogInfo("MakeProgress: STATE_WAITING_TO_FIRE_INVALIDATE_EVENT");
if (shouldWaitForExplicitPaintWaiters() || shouldWaitForPendingPaints() ||
updateCanvasPending) {
gFailureReason = "timed out waiting for pending paint count to reach zero";
if (shouldWaitForExplicitPaintWaiters()) {
gFailureReason += " (waiting for MozPaintWaitFinished)";
LogInfo("MakeProgress: waiting for MozPaintWaitFinished");
}
if (shouldWaitForPendingPaints()) {
gFailureReason += " (waiting for MozAfterPaint)";
LogInfo("MakeProgress: waiting for MozAfterPaint");
}
if (updateCanvasPending) {
gFailureReason += " (waiting for updateCanvasPending)";
LogInfo("MakeProgress: waiting for updateCanvasPending");
}
return;
}
state = STATE_WAITING_FOR_REFTEST_WAIT_REMOVAL;
CheckForLivenessOfContentRootElement();
var hasReftestWait = shouldWaitForReftestWaitRemoval(contentRootElement);
// Notify the test document that now is a good time to test some invalidation
LogInfo("MakeProgress: dispatching MozReftestInvalidate");
if (contentRootElement) {
var elements = getNoPaintElements(contentRootElement);
for (var i = 0; i < elements.length; ++i) {
windowUtils().checkAndClearPaintedState(elements[i]);
}
elements = getNoDisplayListElements(contentRootElement);
for (var i = 0; i < elements.length; ++i) {
windowUtils().checkAndClearDisplayListState(elements[i]);
}
elements = getDisplayListElements(contentRootElement);
for (var i = 0; i < elements.length; ++i) {
windowUtils().checkAndClearDisplayListState(elements[i]);
}
var notification = content.document.createEvent("Events");
notification.initEvent("MozReftestInvalidate", true, false);
contentRootElement.dispatchEvent(notification);
}
if (!inPrintMode && doPrintMode(contentRootElement)) {
LogInfo("MakeProgress: setting up print mode");
setupPrintMode();
}
if (hasReftestWait && !shouldWaitForReftestWaitRemoval(contentRootElement)) {
// MozReftestInvalidate handler removed reftest-wait.
// We expect something to have been invalidated...
OperationInProgress();
let promise = FlushRendering(FlushMode.ALL);
promise.then(function () {
OperationCompleted();
if (!updateCanvasPending && !shouldWaitForPendingPaints() &&
!shouldWaitForExplicitPaintWaiters()) {
LogWarning("MozInvalidateEvent didn't invalidate");
}
MakeProgress();
});
return;
}
// Try next state
MakeProgress();
return;
}
case STATE_WAITING_FOR_REFTEST_WAIT_REMOVAL:
LogInfo("MakeProgress: STATE_WAITING_FOR_REFTEST_WAIT_REMOVAL");
CheckForLivenessOfContentRootElement();
if (shouldWaitForReftestWaitRemoval(contentRootElement)) {
gFailureReason = "timed out waiting for reftest-wait to be removed";
LogInfo("MakeProgress: waiting for reftest-wait to be removed");
return;
}
// Try next state
state = STATE_WAITING_FOR_SPELL_CHECKS;
MakeProgress();
return;
case STATE_WAITING_FOR_SPELL_CHECKS:
LogInfo("MakeProgress: STATE_WAITING_FOR_SPELL_CHECKS");
if (numPendingSpellChecks) {
gFailureReason = "timed out waiting for spell checks to end";
LogInfo("MakeProgress: waiting for spell checks to end");
return;
}
state = STATE_WAITING_FOR_APZ_FLUSH;
LogInfo("MakeProgress: STATE_WAITING_FOR_APZ_FLUSH");
gFailureReason = "timed out waiting for APZ flush to complete";
var os = Cc[NS_OBSERVER_SERVICE_CONTRACTID].getService(Ci.nsIObserverService);
var flushWaiter = function(aSubject, aTopic, aData) {
if (aTopic) LogInfo("MakeProgress: apz-repaints-flushed fired");
os.removeObserver(flushWaiter, "apz-repaints-flushed");
state = STATE_WAITING_TO_FINISH;
if (operationInProgress) {
CallSetTimeoutMakeProgress();
} else {
MakeProgress();
}
};
os.addObserver(flushWaiter, "apz-repaints-flushed");
var willSnapshot = IsSnapshottableTestType();
CheckForLivenessOfContentRootElement();
var noFlush =
!(contentRootElement &&
contentRootElement.classList.contains("reftest-no-flush"));
if (noFlush && willSnapshot && windowUtils().flushApzRepaints()) {
LogInfo("MakeProgress: done requesting APZ flush");
} else {
LogInfo("MakeProgress: APZ flush not required");
flushWaiter(null, null, null);
}
return;
case STATE_WAITING_FOR_APZ_FLUSH:
LogInfo("MakeProgress: STATE_WAITING_FOR_APZ_FLUSH");
// Nothing to do here; once we get the apz-repaints-flushed event
// we will go to STATE_WAITING_TO_FINISH
return;
case STATE_WAITING_TO_FINISH:
LogInfo("MakeProgress: STATE_WAITING_TO_FINISH");
if (shouldWaitForExplicitPaintWaiters() || shouldWaitForPendingPaints() ||
updateCanvasPending) {
gFailureReason = "timed out waiting for pending paint count to " +
"reach zero (after reftest-wait removed and switch to print mode)";
if (shouldWaitForExplicitPaintWaiters()) {
gFailureReason += " (waiting for MozPaintWaitFinished)";
LogInfo("MakeProgress: waiting for MozPaintWaitFinished");
}
if (shouldWaitForPendingPaints()) {
gFailureReason += " (waiting for MozAfterPaint)";
LogInfo("MakeProgress: waiting for MozAfterPaint");
}
if (updateCanvasPending) {
gFailureReason += " (waiting for updateCanvasPending)";
LogInfo("MakeProgress: waiting for updateCanvasPending");
}
return;
}
CheckForLivenessOfContentRootElement();
if (contentRootElement) {
var elements = getNoPaintElements(contentRootElement);
for (var i = 0; i < elements.length; ++i) {
if (windowUtils().checkAndClearPaintedState(elements[i])) {
SendFailedNoPaint();
}
}
// We only support retained display lists in the content process
// right now, so don't fail reftest-no-display-list tests when
// we don't have e10s.
if (gBrowserIsRemote) {
elements = getNoDisplayListElements(contentRootElement);
for (var i = 0; i < elements.length; ++i) {
if (windowUtils().checkAndClearDisplayListState(elements[i])) {
SendFailedNoDisplayList();
}
}
elements = getDisplayListElements(contentRootElement);
for (var i = 0; i < elements.length; ++i) {
if (!windowUtils().checkAndClearDisplayListState(elements[i])) {
SendFailedDisplayList();
}
}
}
CheckLayerAssertions(contentRootElement);
}
if (!IsSnapshottableTestType()) {
// If we're not snapshotting the test, at least do a sync round-trip
// to the compositor to ensure that all the rendering messages
// related to this test get processed. Otherwise problems triggered
// by this test may only manifest as failures in a later test.
LogInfo("MakeProgress: Doing sync flush to compositor");
gFailureReason = "timed out while waiting for sync compositor flush"
windowUtils().syncFlushCompositor();
}
LogInfo("MakeProgress: Completed");
state = STATE_COMPLETED;
gFailureReason = "timed out while taking snapshot (bug in harness?)";
RemoveListeners();
CheckForLivenessOfContentRootElement();
CheckForProcessCrashExpectation(contentRootElement);
setTimeout(RecordResult, 0, forURL);
return;
}
}
LogInfo("WaitForTestEnd: Adding listeners");
addEventListener("MozAfterPaint", AfterPaintListener, false);
addEventListener("Reftest:MozAfterPaintFromChild", FromChildAfterPaintListener, false);
// If contentRootElement is null then shouldWaitForReftestWaitRemoval will
// always return false so we don't need a listener anyway
CheckForLivenessOfContentRootElement();
if (contentRootElement) {
contentRootElement.addEventListener("DOMAttrModified", AttrModifiedListener);
}
gExplicitPendingPaintsCompleteHook = ExplicitPaintsCompleteListener;
gTimeoutHook = RemoveListeners;
// Listen for spell checks on spell-checked elements.
var numPendingSpellChecks = spellCheckedElements.length;
function decNumPendingSpellChecks() {
--numPendingSpellChecks;
if (operationInProgress) {
CallSetTimeoutMakeProgress();
} else {
MakeProgress();
}
}
for (let editable of spellCheckedElements) {
try {
onSpellCheck(editable, decNumPendingSpellChecks);
} catch (err) {
// The element may not have an editor, so ignore it.
setTimeout(decNumPendingSpellChecks, 0);
}
}
// Take a full snapshot now that all our listeners are set up. This
// ensures it's impossible for us to miss updates between taking the snapshot
// and adding our listeners.
OperationInProgress();
let promise = SendInitCanvasWithSnapshot(forURL);
promise.then(function () {
OperationCompleted();
MakeProgress();
});
}
function OnDocumentLoad(event)
{
var currentDoc = content.document;
if (event.target != currentDoc)
// Ignore load events for subframes.
return;
if (gClearingForAssertionCheck) {
if (currentDoc.location.href == BLANK_URL_FOR_CLEARING) {
DoAssertionCheck();
return;
}
// It's likely the previous test document reloads itself and causes the
// attempt of loading blank page fails. In this case we should retry
// loading the blank page.
LogInfo("Retry loading a blank page");
LoadURI(BLANK_URL_FOR_CLEARING);
return;
}
if (currentDoc.location.href != gCurrentURL) {
LogInfo("OnDocumentLoad fired for previous document");
// Ignore load events for previous documents.
return;
}
let ourURL = currentDoc.location.href;
// Collect all editable, spell-checked elements. It may be the case that
// not all the elements that match this selector will be spell checked: for
// example, a textarea without a spellcheck attribute may have a parent with
// spellcheck=false, or script may set spellcheck=false on an element whose
// markup sets it to true. But that's OK since onSpellCheck detects the
// absence of spell checking, too.
var querySelector =
'*[class~="spell-checked"],' +
'textarea:not([spellcheck="false"]),' +
'input[spellcheck]:-moz-any([spellcheck=""],[spellcheck="true"]),' +
'*[contenteditable]:-moz-any([contenteditable=""],[contenteditable="true"])';
var spellCheckedElements = currentDoc.querySelectorAll(querySelector);
var contentRootElement = currentDoc ? currentDoc.documentElement : null;
currentDoc = null;
setupFullZoom(contentRootElement);
setupTextZoom(contentRootElement);
setupViewport(contentRootElement);
setupDisplayport(contentRootElement);
var inPrintMode = false;
async function AfterOnLoadScripts() {
// Regrab the root element, because the document may have changed.
var contentRootElement =
content.document ? content.document.documentElement : null;
// "MozPaintWait" events are dispatched using a scriptrunner, so we
// receive then after painting has finished but before the main thread
// returns from the paint call. Then a "MozPaintWaitFinished" is
// dispatched to the main thread event loop.
// Before Fission both the FlushRendering and SendInitCanvasWithSnapshot
// calls were sync, but with Fission they must be async. So before Fission
// we got the MozPaintWait event but not the MozPaintWaitFinished event
// here (yet), which made us enter WaitForTestEnd. After Fission we get
// both MozPaintWait and MozPaintWaitFinished here. So to make this work
// the same way as before we just track if we got either event and go
// into reftest-wait mode.
var paintWaiterFinished = false;
gExplicitPendingPaintsCompleteHook = function () {
LogInfo("PaintWaiters finished while we were sending initial snapshop in AfterOnLoadScripts");
paintWaiterFinished = true;
}
// Flush the document in case it got modified in a load event handler.
await FlushRendering(FlushMode.ALL);
// Take a snapshot now. We need to do this before we check whether
// we should wait, since this might trigger dispatching of
// MozPaintWait events and make shouldWaitForExplicitPaintWaiters() true
// below.
let painted = await SendInitCanvasWithSnapshot(ourURL);
gExplicitPendingPaintsCompleteHook = null;
if (contentRootElement && Cu.isDeadWrapper(contentRootElement)) {
contentRootElement = null;
}
if (paintWaiterFinished || shouldWaitForExplicitPaintWaiters() ||
(!inPrintMode && doPrintMode(contentRootElement)) ||
// If we didn't force a paint above, in
// InitCurrentCanvasWithSnapshot, so we should wait for a
// paint before we consider them done.
!painted) {
LogInfo("AfterOnLoadScripts belatedly entering WaitForTestEnd");
// Go into reftest-wait mode belatedly.
WaitForTestEnd(contentRootElement, inPrintMode, [], ourURL);
} else {
CheckLayerAssertions(contentRootElement);
CheckForProcessCrashExpectation(contentRootElement);
RecordResult(ourURL);
}
}
if (shouldWaitForReftestWaitRemoval(contentRootElement) ||
shouldWaitForExplicitPaintWaiters() ||
spellCheckedElements.length) {
// Go into reftest-wait mode immediately after painting has been
// unsuppressed, after the onload event has finished dispatching.
gFailureReason = "timed out waiting for test to complete (trying to get into WaitForTestEnd)";
LogInfo("OnDocumentLoad triggering WaitForTestEnd");
setTimeout(function () { WaitForTestEnd(contentRootElement, inPrintMode, spellCheckedElements, ourURL); }, 0);
} else {
if (doPrintMode(contentRootElement)) {
LogInfo("OnDocumentLoad setting up print mode");
setupPrintMode();
inPrintMode = true;
}
// Since we can't use a bubbling-phase load listener from chrome,
// this is a capturing phase listener. So do setTimeout twice, the
// first to get us after the onload has fired in the content, and
// the second to get us after any setTimeout(foo, 0) in the content.
gFailureReason = "timed out waiting for test to complete (waiting for onload scripts to complete)";
LogInfo("OnDocumentLoad triggering AfterOnLoadScripts");
setTimeout(function () { setTimeout(AfterOnLoadScripts, 0); }, 0);
}
}
function CheckLayerAssertions(contentRootElement)
{
if (!contentRootElement) {
return;
}
if (gIsWebRenderEnabled) {
// WebRender doesn't use layers, so let's not try checking layers
// assertions.
return;
}
var opaqueLayerElements = getOpaqueLayerElements(contentRootElement);
for (var i = 0; i < opaqueLayerElements.length; ++i) {
var elem = opaqueLayerElements[i];
try {
if (!windowUtils().isPartOfOpaqueLayer(elem)) {
SendFailedOpaqueLayer(elementDescription(elem) + ' is not part of an opaque layer');
}
} catch (e) {
SendFailedOpaqueLayer('got an exception while checking whether ' + elementDescription(elem) + ' is part of an opaque layer');
}
}
var layerNameToElementsMap = getAssignedLayerMap(contentRootElement);
var oneOfEach = [];
// Check that elements with the same reftest-assigned-layer share the same PaintedLayer.
for (var layerName in layerNameToElementsMap) {
try {
var elements = layerNameToElementsMap[layerName];
oneOfEach.push(elements[0]);
var numberOfLayers = windowUtils().numberOfAssignedPaintedLayers(elements);
if (numberOfLayers !== 1) {
SendFailedAssignedLayer('these elements are assigned to ' + numberOfLayers +
' different layers, instead of sharing just one layer: ' +
elements.map(elementDescription).join(', '));
}
} catch (e) {
SendFailedAssignedLayer('got an exception while checking whether these elements share a layer: ' +
elements.map(elementDescription).join(', '));
}
}
// Check that elements with different reftest-assigned-layer are assigned to different PaintedLayers.
if (oneOfEach.length > 0) {
try {
var numberOfLayers = windowUtils().numberOfAssignedPaintedLayers(oneOfEach);
if (numberOfLayers !== oneOfEach.length) {
SendFailedAssignedLayer('these elements are assigned to ' + numberOfLayers +
' different layers, instead of having none in common (expected ' +
oneOfEach.length + ' different layers): ' +
oneOfEach.map(elementDescription).join(', '));
}
} catch (e) {
SendFailedAssignedLayer('got an exception while checking whether these elements are assigned to different layers: ' +
oneOfEach.map(elementDescription).join(', '));
}
}
}
function CheckForProcessCrashExpectation(contentRootElement)
{
if (contentRootElement &&
contentRootElement.hasAttribute('class') &&
contentRootElement.getAttribute('class').split(/\s+/)
.includes("reftest-expect-process-crash")) {
SendExpectProcessCrash();
}
}
function RecordResult(forURL)
{
if (forURL != gCurrentURL) {
LogInfo("RecordResult fired for previous document");
return;
}
if (gCurrentURLRecordResults > 0) {
LogInfo("RecordResult fired extra times");
FinishTestItem();
return;
}
gCurrentURLRecordResults++;
LogInfo("RecordResult fired");
var currentTestRunTime = Date.now() - gCurrentTestStartTime;
clearTimeout(gFailureTimeout);
gFailureReason = null;
gFailureTimeout = null;
gCurrentURL = null;
gCurrentURLTargetType = undefined;
if (gCurrentTestType == TYPE_PRINT) {
printToPdf(function (status, fileName) {
SendPrintResult(currentTestRunTime, status, fileName);
FinishTestItem();
});
return;
}
if (gCurrentTestType == TYPE_SCRIPT) {
var error = '';
var testwindow = content;
if (testwindow.wrappedJSObject)
testwindow = testwindow.wrappedJSObject;
var testcases;
if (!testwindow.getTestCases || typeof testwindow.getTestCases != "function") {
// Force an unexpected failure to alert the test author to fix the test.
error = "test must provide a function getTestCases(). (SCRIPT)\n";
}
else if (!(testcases = testwindow.getTestCases())) {
// Force an unexpected failure to alert the test author to fix the test.
error = "test's getTestCases() must return an Array-like Object. (SCRIPT)\n";
}
else if (testcases.length == 0) {
// This failure may be due to a JavaScript Engine bug causing
// early termination of the test. If we do not allow silent
// failure, the driver will report an error.
}
var results = [ ];
if (!error) {
// FIXME/bug 618176: temporary workaround
for (var i = 0; i < testcases.length; ++i) {
var test = testcases[i];
results.push({ passed: test.testPassed(),
description: test.testDescription() });
}
//results = testcases.map(function(test) {
// return { passed: test.testPassed(),
// description: test.testDescription() };
}
SendScriptResults(currentTestRunTime, error, results);
FinishTestItem();
return;
}
// Setup async scroll offsets now in case SynchronizeForSnapshot is not
// called (due to reftest-no-sync-layers being supplied, or in the single
// process case).
var changedAsyncScrollZoom = false;
if (setupAsyncScrollOffsets({allowFailure:true})) {
changedAsyncScrollZoom = true;
}
if (setupAsyncZoom({allowFailure:true})) {
changedAsyncScrollZoom = true;
}
if (changedAsyncScrollZoom && !gBrowserIsRemote) {
sendAsyncMessage("reftest:UpdateWholeCanvasForInvalidation");
}
SendTestDone(currentTestRunTime);
FinishTestItem();
}
function LoadFailed()
{
if (gTimeoutHook) {
gTimeoutHook();
}
gFailureTimeout = null;
SendFailedLoad(gFailureReason);
}
function FinishTestItem()
{
gHaveCanvasSnapshot = false;
}
function DoAssertionCheck()
{
gClearingForAssertionCheck = false;
var numAsserts = 0;
if (gDebug.isDebugBuild) {
var newAssertionCount = gDebug.assertionCount;
numAsserts = newAssertionCount - gAssertionCount;
gAssertionCount = newAssertionCount;
}
SendAssertionCount(numAsserts);
}
function LoadURI(uri)
{
let loadURIOptions = {
triggeringPrincipal: Services.scriptSecurityManager.getSystemPrincipal(),
};
webNavigation().loadURI(uri, loadURIOptions);
}
function LogError(str)
{
if (gVerbose) {
sendSyncMessage("reftest:Log", { type: "error", msg: str });
} else {
sendAsyncMessage("reftest:Log", { type: "error", msg: str });
}
}
function LogWarning(str)
{
if (gVerbose) {
sendSyncMessage("reftest:Log", { type: "warning", msg: str });
} else {
sendAsyncMessage("reftest:Log", { type: "warning", msg: str });
}
}
function LogInfo(str)
{
if (gVerbose) {
sendSyncMessage("reftest:Log", { type: "info", msg: str });
} else {
sendAsyncMessage("reftest:Log", { type: "info", msg: str });
}
}
function IsSnapshottableTestType()
{
// Script, load-only, and PDF-print tests do not need any snapshotting.
return !(gCurrentTestType == TYPE_SCRIPT ||
gCurrentTestType == TYPE_LOAD ||
gCurrentTestType == TYPE_PRINT);
}
const SYNC_DEFAULT = 0x0;
const SYNC_ALLOW_DISABLE = 0x1;
// Returns a promise that resolve when the snapshot is done.
function SynchronizeForSnapshot(flags)
{
if (!IsSnapshottableTestType()) {
return Promise.resolve(undefined);
}
if (flags & SYNC_ALLOW_DISABLE) {
var docElt = content.document.documentElement;
if (docElt &&
(docElt.hasAttribute("reftest-no-sync-layers") ||
docElt.classList.contains("reftest-no-flush"))) {
LogInfo("Test file chose to skip SynchronizeForSnapshot");
return Promise.resolve(undefined);
}
}
let browsingContext = content.docShell.browsingContext;
let promise = content.windowGlobalChild.getActor("ReftestFission").sendQuery("UpdateLayerTree", {browsingContext});
return promise.then(function (result) {
for (let errorString of result.errorStrings) {
LogError(errorString);
}
for (let infoString of result.infoStrings) {
LogInfo(infoString);
}
// Setup async scroll offsets now, because any scrollable layers should
// have had their AsyncPanZoomControllers created.
setupAsyncScrollOffsets({allowFailure:false});
setupAsyncZoom({allowFailure:false});
}, function(reason) {
// We expect actors to go away causing sendQuery's to fail, so
// just note it.
LogInfo("UpdateLayerTree sendQuery to parent rejected: " + reason);
// Setup async scroll offsets now, because any scrollable layers should
// have had their AsyncPanZoomControllers created.
setupAsyncScrollOffsets({allowFailure:false});
setupAsyncZoom({allowFailure:false});
});
}
function RegisterMessageListeners()
{
addMessageListener(
"reftest:Clear",
function (m) { RecvClear() }
);
addMessageListener(
"reftest:LoadScriptTest",
function (m) { RecvLoadScriptTest(m.json.uri, m.json.timeout); }
);
addMessageListener(
"reftest:LoadPrintTest",
function (m) { RecvLoadPrintTest(m.json.uri, m.json.timeout); }
);
addMessageListener(
"reftest:LoadTest",
function (m) { RecvLoadTest(m.json.type, m.json.uri,
m.json.uriTargetType,
m.json.timeout); }
);
addMessageListener(
"reftest:ResetRenderingState",
function (m) { RecvResetRenderingState(); }
);
}
function RecvClear()
{
gClearingForAssertionCheck = true;
LoadURI(BLANK_URL_FOR_CLEARING);
}
function RecvLoadTest(type, uri, uriTargetType, timeout)
{
StartTestURI(type, uri, uriTargetType, timeout);
}
function RecvLoadScriptTest(uri, timeout)
{
StartTestURI(TYPE_SCRIPT, uri, URL_TARGET_TYPE_TEST, timeout);
}
function RecvLoadPrintTest(uri, timeout)
{
StartTestURI(TYPE_PRINT, uri, URL_TARGET_TYPE_TEST, timeout);
}
function RecvResetRenderingState()
{
resetZoomAndTextZoom();
resetDisplayportAndViewport();
}
function SendAssertionCount(numAssertions)
{
sendAsyncMessage("reftest:AssertionCount", { count: numAssertions });
}
function SendContentReady()
{
let gfxInfo = (NS_GFXINFO_CONTRACTID in Cc) && Cc[NS_GFXINFO_CONTRACTID].getService(Ci.nsIGfxInfo);
let info = gfxInfo.getInfo();
// The webrender check has to be separate from the d2d checks
// since the d2d checks will throw an exception on non-windows platforms.
try {
gIsWebRenderEnabled = gfxInfo.WebRenderEnabled;
} catch (e) {
gIsWebRenderEnabled = false;
}
try {
info.D2DEnabled = gfxInfo.D2DEnabled;
info.DWriteEnabled = gfxInfo.DWriteEnabled;
} catch (e) {
info.D2DEnabled = false;
info.DWriteEnabled = false;
}
return sendSyncMessage("reftest:ContentReady", { 'gfx': info })[0];
}
function SendException(what)
{
sendAsyncMessage("reftest:Exception", { what: what });
}
function SendFailedLoad(why)
{
sendAsyncMessage("reftest:FailedLoad", { why: why });
}
function SendFailedNoPaint()
{
sendAsyncMessage("reftest:FailedNoPaint");
}
function SendFailedNoDisplayList()
{
sendAsyncMessage("reftest:FailedNoDisplayList");
}
function SendFailedDisplayList()
{
sendAsyncMessage("reftest:FailedDisplayList");
}
function SendFailedOpaqueLayer(why)
{
sendAsyncMessage("reftest:FailedOpaqueLayer", { why: why });
}
function SendFailedAssignedLayer(why)
{
sendAsyncMessage("reftest:FailedAssignedLayer", { why: why });
}
// Returns a promise that resolves to a bool that indicates if a snapshot was taken.
function SendInitCanvasWithSnapshot(forURL)
{
if (forURL != gCurrentURL) {
LogInfo("SendInitCanvasWithSnapshot called for previous document");
// Lie and say we painted because it doesn't matter, this is a test we
// are already done with that is clearing out. Then AfterOnLoadScripts
// should finish quicker if that is who is calling us.
return Promise.resolve(true);
}
// If we're in the same process as the top-level XUL window, then
// drawing that window will also update our layers, so no
// synchronization is needed.
//
// NB: this is a test-harness optimization only, it must not
// affect the validity of the tests.
if (gBrowserIsRemote) {
let promise = SynchronizeForSnapshot(SYNC_DEFAULT);
return promise.then(function () {
let ret = sendSyncMessage("reftest:InitCanvasWithSnapshot")[0];
gHaveCanvasSnapshot = ret.painted;
return ret.painted;
});
}
// For in-process browser, we have to make a synchronous request
// here to make the above optimization valid, so that MozWaitPaint
// events dispatched (synchronously) during painting are received
// before we check the paint-wait counter. For out-of-process
// browser though, it doesn't wrt correctness whether this request
// is sync or async.
let ret = sendSyncMessage("reftest:InitCanvasWithSnapshot")[0];
gHaveCanvasSnapshot = ret.painted;
return Promise.resolve(ret.painted);
}
function SendScriptResults(runtimeMs, error, results)
{
sendAsyncMessage("reftest:ScriptResults",
{ runtimeMs: runtimeMs, error: error, results: results });
}
function SendPrintResult(runtimeMs, status, fileName)
{
sendAsyncMessage("reftest:PrintResult",
{ runtimeMs: runtimeMs, status: status, fileName: fileName });
}
function SendExpectProcessCrash(runtimeMs)
{
sendAsyncMessage("reftest:ExpectProcessCrash");
}
function SendTestDone(runtimeMs)
{
sendAsyncMessage("reftest:TestDone", { runtimeMs: runtimeMs });
}
function roundTo(x, fraction)
{
return Math.round(x/fraction)*fraction;
}
function elementDescription(element)
{
return '<' + element.localName +
[].slice.call(element.attributes).map((attr) =>
` ${attr.nodeName}="${attr.value}"`).join('') +
'>';
}
function SendUpdateCanvasForEvent(forURL, rectList, contentRootElement)
{
if (forURL != gCurrentURL) {
LogInfo("SendUpdateCanvasForEvent called for previous document");
// This is a test we are already done with that is clearing out.
// Don't do anything.
return Promise.resolve(undefined);
}
var win = content;
var scale = markupDocumentViewer().fullZoom;
var rects = [ ];
if (shouldSnapshotWholePage(contentRootElement)) {
// See comments in SendInitCanvasWithSnapshot() re: the split
// logic here.
if (!gBrowserIsRemote) {
sendSyncMessage("reftest:UpdateWholeCanvasForInvalidation");
} else {
let promise = SynchronizeForSnapshot(SYNC_ALLOW_DISABLE);
return promise.then(function () {
sendAsyncMessage("reftest:UpdateWholeCanvasForInvalidation");
});
}
return Promise.resolve(undefined);
}
var message;
if (gIsWebRenderEnabled && !windowUtils().isMozAfterPaintPending) {
// Webrender doesn't have invalidation, so we just invalidate the whole
// screen once we don't have anymore paints pending. This will force
// the snapshot.
LogInfo("Webrender enabled, sending update whole canvas for invalidation");
message = "reftest:UpdateWholeCanvasForInvalidation";
} else {
LogInfo("SendUpdateCanvasForEvent with " + rectList.length + " rects");
for (var i = 0; i < rectList.length; ++i) {
var r = rectList[i];
// Set left/top/right/bottom to "device pixel" boundaries
var left = Math.floor(roundTo(r.left * scale, 0.001));
var top = Math.floor(roundTo(r.top * scale, 0.001));
var right = Math.ceil(roundTo(r.right * scale, 0.001));
var bottom = Math.ceil(roundTo(r.bottom * scale, 0.001));
LogInfo("Rect: " + left + " " + top + " " + right + " " + bottom);
rects.push({ left: left, top: top, right: right, bottom: bottom });
}
message = "reftest:UpdateCanvasForInvalidation";
}
// See comments in SendInitCanvasWithSnapshot() re: the split
// logic here.
if (!gBrowserIsRemote) {
sendSyncMessage(message, { rects: rects });
} else {
let promise = SynchronizeForSnapshot(SYNC_ALLOW_DISABLE);
return promise.then(function () {
sendAsyncMessage(message, { rects: rects });
});
}
return Promise.resolve(undefined);
}
if (content.document.readyState == "complete") {
// load event has already fired for content, get started
OnInitialLoad();
} else {
addEventListener("load", OnInitialLoad, true);
}