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Bug 1564209 - Add more paint/flushing logging for APZ mochitests. r=botond

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Differential Revision: https://phabricator.services.mozilla.com/D37420

--HG--
extra : moz-landing-system : lando
This commit is contained in:
Kartikaya Gupta 2019-07-10 15:46:39 +00:00
parent 9a4f41a30a
commit 97683b0ae0
3 changed files with 23 additions and 6 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

16
gfx/layers/apz/test/mochitest/apz_test_utils.js
View File

@ -201,6 +201,7 @@ function isLayerized(elementId) {
function promiseApzRepaintsFlushed(aWindow = window) {
return new Promise(function(resolve, reject) {
var repaintDone = function() {
dump("PromiseApzRepaintsFlushed: APZ flush done\n");
SpecialPowers.Services.obs.removeObserver(
repaintDone,
"apz-repaints-flushed"
@ -209,10 +210,12 @@ function promiseApzRepaintsFlushed(aWindow = window) {
};
SpecialPowers.Services.obs.addObserver(repaintDone, "apz-repaints-flushed");
if (SpecialPowers.getDOMWindowUtils(aWindow).flushApzRepaints()) {
dump("Flushed APZ repaints, waiting for callback...\n");
dump(
"PromiseApzRepaintsFlushed: Flushed APZ repaints, waiting for callback...\n"
);
} else {
dump(
"Flushing APZ repaints was a no-op, triggering callback directly...\n"
"PromiseApzRepaintsFlushed: Flushing APZ repaints was a no-op, triggering callback directly...\n"
);
repaintDone();
}
@ -470,6 +473,7 @@ async function waitUntilApzStable() {
var topUtils = topWin.windowUtils;
var repaintDone = function() {
dump("WaitUntilApzStable: APZ flush done in parent proc\n");
Services.obs.removeObserver(repaintDone, "apz-repaints-flushed");
// send message back to content process
sendAsyncMessage("apz-flush-done", null);
@ -485,11 +489,11 @@ async function waitUntilApzStable() {
Services.obs.addObserver(repaintDone, "apz-repaints-flushed");
if (topUtils.flushApzRepaints()) {
dump(
"Parent process: flushed APZ repaints, waiting for callback...\n"
"WaitUntilApzStable: flushed APZ repaints in parent proc, waiting for callback...\n"
);
} else {
dump(
"Parent process: flushing APZ repaints was a no-op, triggering callback directly...\n"
"WaitUntilApzStable: flushing APZ repaints in parent proc was a no-op, triggering callback directly...\n"
);
repaintDone();
}
@ -522,11 +526,15 @@ async function waitUntilApzStable() {
// Actually trigger the parent-process flush and wait for it to finish
waitUntilApzStable.chromeHelper.sendAsyncMessage("apz-flush", null);
await waitUntilApzStable.chromeHelper.promiseOneMessage("apz-flush-done");
dump("WaitUntilApzStable: got apz-flush-done in child proc\n");
}
await SimpleTest.promiseFocus(window);
dump("WaitUntilApzStable: done promiseFocus\n");
await promiseAllPaintsDone();
dump("WaitUntilApzStable: done promiseAllPaintsDone\n");
await promiseApzRepaintsFlushed();
dump("WaitUntilApzStable: all done\n");
}
// This function returns a promise that is resolved after at least one paint

2
gfx/layers/apz/test/mochitest/mochitest.ini
View File

@ -1,4 +1,6 @@
[DEFAULT]
prefs =
testing.paint_listener.debug=true
support-files =
apz_test_native_event_utils.js
apz_test_utils.js

11
testing/mochitest/tests/SimpleTest/paint_listener.js
View File

@ -1,15 +1,19 @@
(function() {
var accumulatedRect = null;
var onpaint = new Array();
var debug = false;
var debug = SpecialPowers.getBoolPref("testing.paint_listener.debug", false);
const FlushModes = {
FLUSH: 0,
NOFLUSH: 1
};
function paintListener(event) {
if (event.target != window)
if (event.target != window) {
if (debug) {
dump("got MozAfterPaint for wrong window\n");
}
return;
}
var clientRect = event.boundingClientRect;
var eventRect;
if (clientRect) {
@ -28,6 +32,9 @@
Math.max(accumulatedRect[2], eventRect[2]),
Math.max(accumulatedRect[3], eventRect[3]) ]
: eventRect;
if (debug) {
dump("Dispatching " + onpaint.length + " onpaint listeners\n");
}
while (onpaint.length > 0) {
window.setTimeout(onpaint.pop(), 0);
}