forked from mirrors/gecko-dev
df4f8ff8c2
MozReview-Commit-ID: tdNee2EPdV --HG-- extra : rebase_source : 436ef616173f22b6d8386b8e7b3f482f1acabca4
64 lines
2 KiB
JavaScript
64 lines
2 KiB
JavaScript
/* Any copyright is dedicated to the Public Domain.
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http://creativecommons.org/publicdomain/zero/1.0/ */
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/**
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* Verifies that hidden, pre-loaded newtabs don't allow background captures, and
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* when unhidden, do allow background captures.
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*/
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const CAPTURE_PREF = "browser.pagethumbnails.capturing_disabled";
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XPCOMUtils.defineLazyServiceGetter(this, "PageThumbsStorageService",
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"@mozilla.org/thumbnails/pagethumbs-service;1",
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"nsIPageThumbsStorageService");
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add_task(async function() {
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// Disable captures.
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await pushPrefs([CAPTURE_PREF, false]);
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// Make sure the thumbnail doesn't exist yet.
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let url = "http://example.com/";
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let path = PageThumbsStorageService.getFilePathForURL(url);
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let file = Cc["@mozilla.org/file/local;1"].createInstance(Ci.nsIFile);
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file.initWithPath(path);
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try {
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file.remove(false);
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} catch (err) {}
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// Add a top site.
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await setLinks("-1");
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// We need a handle to a hidden, pre-loaded newtab so we can verify that it
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// doesn't allow background captures. Ensure we have a preloaded browser.
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gBrowser._createPreloadBrowser();
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// Wait for the preloaded browser to load.
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if (gBrowser._preloadedBrowser.contentDocument.readyState != "complete") {
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await BrowserTestUtils.waitForEvent(gBrowser._preloadedBrowser, "load", true);
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}
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// We're now ready to use the preloaded browser.
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BrowserOpenTab();
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let tab = gBrowser.selectedTab;
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let thumbnailCreatedPromise = new Promise(resolve => {
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// Showing the preloaded tab should trigger thumbnail capture.
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Services.obs.addObserver(function onCreate(subj, topic, data) {
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if (data != url)
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return;
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Services.obs.removeObserver(onCreate, "page-thumbnail:create");
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ok(true, "thumbnail created after preloaded tab was shown");
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resolve();
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}, "page-thumbnail:create");
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});
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// Enable captures.
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await pushPrefs([CAPTURE_PREF, false]);
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await thumbnailCreatedPromise;
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// Test finished!
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gBrowser.removeTab(tab);
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file.remove(false);
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});
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