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head_favicons.js
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head_favicons.js
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/* -*- indent-tabs-mode: nil; js-indent-level: 2 -*- */
/* 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/. */
var { Services } = ChromeUtils.import("resource://gre/modules/Services.jsm");
// Import common head.
{
/* import-globals-from ../head_common.js */
let commonFile = do_get_file("../head_common.js", false);
let uri = Services.io.newFileURI(commonFile);
Services.scriptloader.loadSubScript(uri.spec, this);
}
// Put any other stuff relative to this test folder below.
const systemPrincipal = Services.scriptSecurityManager.getSystemPrincipal();
// This error icon must stay in sync with FAVICON_ERRORPAGE_URL in
// nsIFaviconService.idl, aboutCertError.xhtml and netError.xhtml.
const FAVICON_ERRORPAGE_URI = Services.io.newURI(
"chrome://global/skin/icons/warning.svg"
);
/**
* Waits for the first OnPageChanged notification for ATTRIBUTE_FAVICON, and
* verifies that it matches the expected page URI and associated favicon URI.
*
* This function also double-checks the GUID parameter of the notification.
*
* @param aExpectedPageURI
* nsIURI object of the page whose favicon should change.
* @param aExpectedFaviconURI
* nsIURI object of the newly associated favicon.
* @param aCallback
* This function is called after the check finished.
*/
function waitForFaviconChanged(
aExpectedPageURI,
aExpectedFaviconURI,
aCallback
) {
let historyObserver = {
__proto__: NavHistoryObserver.prototype,
onPageChanged: function WFFC_onPageChanged(aURI, aWhat, aValue, aGUID) {
if (aWhat != Ci.nsINavHistoryObserver.ATTRIBUTE_FAVICON) {
return;
}
PlacesUtils.history.removeObserver(this);
Assert.ok(aURI.equals(aExpectedPageURI));
Assert.equal(aValue, aExpectedFaviconURI.spec);
do_check_guid_for_uri(aURI, aGUID);
aCallback();
},
};
PlacesUtils.history.addObserver(historyObserver);
}
/**
* Checks that the favicon for the given page matches the provided data.
*
* @param aPageURI
* nsIURI object for the page to check.
* @param aExpectedMimeType
* Expected MIME type of the icon, for example "image/png".
* @param aExpectedData
* Expected icon data, expressed as an array of byte values.
* @param aCallback
* This function is called after the check finished.
*/
function checkFaviconDataForPage(
aPageURI,
aExpectedMimeType,
aExpectedData,
aCallback
) {
PlacesUtils.favicons.getFaviconDataForPage(aPageURI, function(
aURI,
aDataLen,
aData,
aMimeType
) {
Assert.equal(aExpectedMimeType, aMimeType);
Assert.ok(compareArrays(aExpectedData, aData));
do_check_guid_for_uri(aPageURI);
aCallback();
});
}
/**
* Checks that the given page has no associated favicon.
*
* @param aPageURI
* nsIURI object for the page to check.
* @param aCallback
* This function is called after the check finished.
*/
function checkFaviconMissingForPage(aPageURI, aCallback) {
PlacesUtils.favicons.getFaviconURLForPage(aPageURI, function(
aURI,
aDataLen,
aData,
aMimeType
) {
Assert.ok(aURI === null);
aCallback();
});
}
function promiseFaviconMissingForPage(aPageURI) {
return new Promise(resolve => checkFaviconMissingForPage(aPageURI, resolve));
}
function promiseFaviconChanged(aExpectedPageURI, aExpectedFaviconURI) {
return new Promise(resolve =>
waitForFaviconChanged(aExpectedPageURI, aExpectedFaviconURI, resolve)
);
}