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/**
* Media control check box should change the media control pref, vice versa.
*/
const MEDIA_CONTROL_PREF = "media.hardwaremediakeys.enabled";
add_task(async function testMediaControlCheckBox() {
const prefs = await openPreferencesViaOpenPreferencesAPI("paneGeneral", {
leaveOpen: true,
});
is(prefs.selectedPane, "paneGeneral", "General pane was selected");
const checkBox = gBrowser.contentDocument.getElementById(
"mediaControlToggleEnabled"
);
ok(checkBox, "check box exists");
// The pref is true by default.
await modifyPrefAndWaitUntilCheckBoxChanges(false);
await modifyPrefAndWaitUntilCheckBoxChanges(true);
await toggleCheckBoxAndWaitUntilPrefValueChanges(false);
await toggleCheckBoxAndWaitUntilPrefValueChanges(true);
BrowserTestUtils.removeTab(gBrowser.selectedTab);
});
async function modifyPrefAndWaitUntilCheckBoxChanges(isEnabled) {
info((isEnabled ? "enable" : "disable") + " the pref");
const checkBox = gBrowser.contentDocument.getElementById(
"mediaControlToggleEnabled"
);
await SpecialPowers.pushPrefEnv({
set: [[MEDIA_CONTROL_PREF, isEnabled]],
});
await TestUtils.waitForCondition(
_ => checkBox.checked == isEnabled,
"Waiting for the checkbox gets checked"
);
is(checkBox.checked, isEnabled, `check box status is correct`);
checkAndClearTelemetryProbe(isEnabled);
}
async function toggleCheckBoxAndWaitUntilPrefValueChanges(isChecked) {
info((isChecked ? "check" : "uncheck") + " the check box");
const checkBox = gBrowser.contentDocument.getElementById(
"mediaControlToggleEnabled"
);
checkBox.click();
is(
Services.prefs.getBoolPref(MEDIA_CONTROL_PREF),
isChecked,
"the pref's value is correct"
);
checkAndClearTelemetryProbe(isChecked, true /* check UI */);
}
/**
* These telemetry related variable and method should be removed after the
* telemetry probe `MEDIA_CONTROL_SETTING_CHANGE` gets expired.
*/
const HISTOGRAM_ID = "MEDIA_CONTROL_SETTING_CHANGE";
const HISTOGRAM_KEYS = {
EnableFromUI: 0,
EnableTotal: 1,
DisableFromUI: 2,
DisableTotal: 3,
};
function checkAndClearTelemetryProbe(isEnable, checkUI = false) {
const histogram = Services.telemetry.getHistogramById(HISTOGRAM_ID);
let keyTotal = isEnable ? "EnableTotal" : "DisableTotal";
let keyUI = null;
if (checkUI) {
keyUI = isEnable ? "EnableFromUI" : "DisableFromUI";
}
for (let [key, val] of Object.entries(histogram.snapshot().values)) {
if (key == HISTOGRAM_KEYS[keyTotal]) {
ok(val, "Increase the amount for the probe 'changeing total setting'");
}
if (keyUI && key == HISTOGRAM_KEYS[keyUI]) {
ok(val, "Increase the amount for the probe 'changeing setting from UI'");
}
}
histogram.clear();
}
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