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Test Info:
/* Any copyright is dedicated to the Public Domain.
const RELATIVE_DIR = "toolkit/components/pdfjs/test/";
const pdfUrl = TESTROOT + "file_pdfjs_test.pdf";
const toolbarDensityPref = "browser.uidensity";
// Test that changing the toolbar density pref is dispatched in pdf.js.
add_task(async function test() {
const mimeService = Cc["@mozilla.org/mime;1"].getService(Ci.nsIMIMEService);
const handlerInfo = mimeService.getFromTypeAndExtension(
"application/pdf",
"pdf"
);
// Make sure pdf.js is the default handler.
is(
handlerInfo.alwaysAskBeforeHandling,
false,
"pdf handler defaults to always-ask is false"
);
is(
handlerInfo.preferredAction,
Ci.nsIHandlerInfo.handleInternally,
"pdf handler defaults to internal"
);
info("Pref action: " + handlerInfo.preferredAction);
await BrowserTestUtils.withNewTab(
{ gBrowser, url: "about:blank" },
async function test_toolbar_density_dispatch(browser) {
await waitForPdfJS(browser, pdfUrl);
let promise = BrowserTestUtils.waitForContentEvent(
browser,
"toolbardensity",
true,
({ detail: { value } }) => value === 2,
true
);
await SpecialPowers.pushPrefEnv({
set: [[toolbarDensityPref, 2]],
});
await promise;
promise = BrowserTestUtils.waitForContentEvent(
browser,
"toolbardensity",
false,
({ detail: { value } }) => value === 0,
true
);
await SpecialPowers.popPrefEnv();
await promise;
await waitForPdfJSClose(browser);
}
);
});