gecko-dev/toolkit/components/gfx/content/gfxFrameScript.js
Mark Banner a656cedb11 Bug 1341029 - Turn on the ESLint no-undef rule for all of toolkit/. r=jaws
MozReview-Commit-ID: Ed9FfkskDos

--HG--
extra : rebase_source : 6ae47dc76b3ebe77b66725a899d32e728af5d35e
2017-02-20 11:45:58 +00:00

66 lines
1.8 KiB
JavaScript

/* eslint-env mozilla/frame-script */
var { classes: Cc, interfaces: Ci, utils: Cu } = Components;
Cu.import("resource://gre/modules/XPCOMUtils.jsm");
const gfxFrameScript = {
domUtils: null,
init() {
let webNav = docShell.QueryInterface(Ci.nsIWebNavigation);
let webProgress = docShell.QueryInterface(Ci.nsIInterfaceRequestor)
.getInterface(Ci.nsIWebProgress);
webProgress.addProgressListener(this, Ci.nsIWebProgress.NOTIFY_STATE_WINDOW);
this.domUtils = content.QueryInterface(Ci.nsIInterfaceRequestor)
.getInterface(Ci.nsIDOMWindowUtils);
webNav.loadURI("chrome://gfxsanity/content/sanitytest.html",
Ci.nsIWebNavigation.LOAD_FLAGS_NONE,
null, null, null);
},
handleEvent(aEvent) {
switch (aEvent.type) {
case "MozAfterPaint":
sendAsyncMessage("gfxSanity:ContentLoaded");
removeEventListener("MozAfterPaint", this);
break;
}
},
isSanityTest(aUri) {
if (!aUri) {
return false;
}
return aUri.endsWith("/sanitytest.html");
},
onStateChange(webProgress, req, flags, status) {
if (webProgress.isTopLevel &&
(flags & Ci.nsIWebProgressListener.STATE_STOP) &&
this.isSanityTest(req.name)) {
webProgress.removeProgressListener(this);
// If no paint is pending, then the test already painted
if (this.domUtils.isMozAfterPaintPending) {
addEventListener("MozAfterPaint", this);
} else {
sendAsyncMessage("gfxSanity:ContentLoaded");
}
}
},
// Needed to support web progress listener
QueryInterface: XPCOMUtils.generateQI([
Ci.nsIWebProgressListener,
Ci.nsISupportsWeakReference,
Ci.nsIObserver,
]),
};
gfxFrameScript.init();