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function LocationChangeListener(browser) {
this.browser = browser;
browser.addProgressListener(this, Ci.nsIWebProgress.NOTIFY_LOCATION);
}
LocationChangeListener.prototype = {
wasSynthetic: false,
browser: null,
destroy() {
this.browser.removeProgressListener(this);
},
onLocationChange(webProgress, request, location, flags) {
this.wasSynthetic = this.browser.isSyntheticDocument;
},
QueryInterface: ChromeUtils.generateQI([
"nsIWebProgressListener",
"nsISupportsWeakReference",
]),
};
const FILES = gTestPath
.replace("browser_isSynthetic.js", "")
.replace("chrome://mochitests/content/", "http://example.com/");
function waitForPageShow(browser) {
return BrowserTestUtils.waitForContentEvent(browser, "pageshow", true);
}
add_task(async function () {
let tab = BrowserTestUtils.addTab(gBrowser, "about:blank");
let browser = tab.linkedBrowser;
await BrowserTestUtils.browserLoaded(browser);
let listener = new LocationChangeListener(browser);
is(browser.isSyntheticDocument, false, "Should not be synthetic");
let loadPromise = waitForPageShow(browser);
BrowserTestUtils.loadURIString(
browser,
"data:text/html;charset=utf-8,<html/>"
);
await loadPromise;
is(listener.wasSynthetic, false, "Should not be synthetic");
is(browser.isSyntheticDocument, false, "Should not be synthetic");
loadPromise = waitForPageShow(browser);
BrowserTestUtils.loadURIString(browser, FILES + "empty.png");
await loadPromise;
is(listener.wasSynthetic, true, "Should be synthetic");
is(browser.isSyntheticDocument, true, "Should be synthetic");
loadPromise = waitForPageShow(browser);
browser.goBack();
await loadPromise;
is(listener.wasSynthetic, false, "Should not be synthetic");
is(browser.isSyntheticDocument, false, "Should not be synthetic");
loadPromise = waitForPageShow(browser);
browser.goForward();
await loadPromise;
is(listener.wasSynthetic, true, "Should be synthetic");
is(browser.isSyntheticDocument, true, "Should be synthetic");
listener.destroy();
gBrowser.removeTab(tab);
});
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