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/* 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
"use strict";
// This is a UA widget. It runs in per-origin UA widget scope,
// to be loaded by UAWidgetsChild.sys.mjs.
/*
* This is the class of entry. It will construct the actual implementation
* according to the value of the "type" property.
*/
this.DateTimeBoxWidget = class {
constructor(shadowRoot, prefs) {
this.shadowRoot = shadowRoot;
this.element = shadowRoot.host;
this.document = this.element.ownerDocument;
this.window = this.document.defaultView;
// When undefined, DOMLocalization will use the app locales.
let locales;
if (prefs["privacy.resistFingerprinting"]) {
locales = [...this.window.getWebExposedLocales()];
// Make sure to always include en-US, in case the web exposed languages do
// not include a translation for the widget.
if (!locales.includes("en-US")) {
locales.push("en-US");
}
}
// The DOMLocalization instance needs to allow for sync methods so that
// the placeholder value may be determined and set during the
// createEditFieldAndAppend() call.
this.l10n = new this.window.DOMLocalization(
["toolkit/global/datetimebox.ftl"],
/* aSync = */ true,
undefined,
locales
);
}
/*
* Callback called by UAWidgets right after constructor.
*/
onsetup() {
this.onchange(/* aDestroy = */ false);
}
/*
* Callback called by UAWidgets when the "type" property changes.
*/
onchange(aDestroy = true) {
let newType = this.element.type;
if (this.type == newType) {
return;
}
if (aDestroy) {
this.teardown();
}
this.type = newType;
this.setup();
}
shouldShowTime() {
return this.type == "time" || this.type == "datetime-local";
}
shouldShowDate() {
return this.type == "date" || this.type == "datetime-local";
}
teardown() {
this.mInputElement.removeEventListener("keydown", this, {
capture: true,
mozSystemGroup: true,
});
this.mInputElement.removeEventListener("click", this, {
mozSystemGroup: true,
});
this.CONTROL_EVENTS.forEach(eventName => {
this.mDateTimeBoxElement.removeEventListener(eventName, this);
});
this.l10n.disconnectRoot(this.shadowRoot);
this.removeEditFields();
this.removeEventListenersToField(this.mCalendarButton);
this.mInputElement = null;
this.shadowRoot.firstChild.remove();
}
removeEditFields() {
this.removeEventListenersToField(this.mYearField);
this.removeEventListenersToField(this.mMonthField);
this.removeEventListenersToField(this.mDayField);
this.removeEventListenersToField(this.mHourField);
this.removeEventListenersToField(this.mMinuteField);
this.removeEventListenersToField(this.mSecondField);
this.removeEventListenersToField(this.mMillisecField);
this.removeEventListenersToField(this.mDayPeriodField);
this.mYearField = null;
this.mMonthField = null;
this.mDayField = null;
this.mHourField = null;
this.mMinuteField = null;
this.mSecondField = null;
this.mMillisecField = null;
this.mDayPeriodField = null;
let root = this.shadowRoot.getElementById("edit-wrapper");
while (root.firstChild) {
root.firstChild.remove();
}
}
rebuildEditFieldsIfNeeded() {
if (
this.shouldShowSecondField() == !!this.mSecondField &&
this.shouldShowMillisecField() == !!this.mMillisecField
) {
return;
}
let focused = this.mInputElement.matches(":focus");
this.removeEditFields();
this.buildEditFields();
if (focused) {
this._focusFirstField();
}
}
_focusFirstField() {
this.shadowRoot.querySelector(".datetime-edit-field")?.focus();
}
setup() {
this.DEBUG = false;
this.l10n.connectRoot(this.shadowRoot);
this.generateContent();
this.mDateTimeBoxElement = this.shadowRoot.firstChild;
this.mCalendarButton = this.shadowRoot.getElementById("calendar-button");
this.mInputElement = this.element;
this.mLocales = this.window.getWebExposedLocales();
this.mIsRTL = false;
let intlUtils = this.window.intlUtils;
if (intlUtils) {
this.mIsRTL = intlUtils.isAppLocaleRTL();
}
if (this.mIsRTL) {
let inputBoxWrapper = this.shadowRoot.getElementById("input-box-wrapper");
inputBoxWrapper.dir = "rtl";
}
this.mIsPickerOpen = false;
this.mMinMonth = 1;
this.mMaxMonth = 12;
this.mMinDay = 1;
this.mMaxDay = 31;
this.mMinYear = 1;
// Maximum year limited by ISO 8601.
this.mMaxYear = 9999;
this.mMonthDayLength = 2;
this.mYearLength = 4;
this.mMonthPageUpDownInterval = 3;
this.mDayPageUpDownInterval = 7;
this.mYearPageUpDownInterval = 10;
const kDefaultAMString = "AM";
const kDefaultPMString = "PM";
let { amString, pmString } = this.getStringsForLocale(this.mLocales);
this.mAMIndicator = amString || kDefaultAMString;
this.mPMIndicator = pmString || kDefaultPMString;
this.mHour12 = this.is12HourTime(this.mLocales);
this.mMillisecSeparatorText = ".";
this.mMaxLength = 2;
this.mMillisecMaxLength = 3;
this.mDefaultStep = 60 * 1000; // in milliseconds
this.mMinHour = this.mHour12 ? 1 : 0;
this.mMaxHour = this.mHour12 ? 12 : 23;
this.mMinMinute = 0;
this.mMaxMinute = 59;
this.mMinSecond = 0;
this.mMaxSecond = 59;
this.mMinMillisecond = 0;
this.mMaxMillisecond = 999;
this.mHourPageUpDownInterval = 3;
this.mMinSecPageUpDownInterval = 10;
this.mInputElement.addEventListener(
"keydown",
this,
{
capture: true,
mozSystemGroup: true,
},
false
);
// This is to open the picker when input element is tapped on Android
// or for type=time inputs (this includes padding area).
this.isAndroid = this.window.navigator.appVersion.includes("Android");
if (this.isAndroid || this.type == "time") {
this.mInputElement.addEventListener(
"click",
this,
{ mozSystemGroup: true },
false
);
}
// Those events are dispatched to <div class="datetimebox"> with bubble set
// to false. They are trapped inside UA Widget Shadow DOM and are not
// dispatched to the document.
this.CONTROL_EVENTS.forEach(eventName => {
this.mDateTimeBoxElement.addEventListener(eventName, this, {}, false);
});
this.buildEditFields();
this.buildCalendarBtn();
this.updateEditAttributes();
if (this.mInputElement.value) {
this.setFieldsFromInputValue();
}
if (this.mInputElement.matches(":focus")) {
this._focusFirstField();
}
}
generateContent() {
const parser = new this.window.DOMParser();
let parserDoc = parser.parseFromString(
<link rel="stylesheet" type="text/css" href="chrome://global/content/bindings/datetimebox.css" />
<div class="datetime-input-box-wrapper" id="input-box-wrapper" role="presentation">
<span class="datetime-input-edit-wrapper"
id="edit-wrapper">
<!-- Each of the date/time input types will append their input child
- elements here -->
</span>
<button data-l10n-id="datetime-calendar" class="datetime-calendar-button" id="calendar-button" aria-expanded="false">
<svg role="none" class="datetime-calendar-button-svg" xmlns="http://www.w3.org/2000/svg" id="calendar-16" viewBox="0 0 16 16" width="16" height="16">
<path d="M13.5 2H13V1c0-.6-.4-1-1-1s-1 .4-1 1v1H5V1c0-.6-.4-1-1-1S3 .4 3 1v1h-.5C1.1 2 0 3.1 0 4.5v9C0 14.9 1.1 16 2.5 16h11c1.4 0 2.5-1.1 2.5-2.5v-9C16 3.1 14.9 2 13.5 2zm0 12.5h-11c-.6 0-1-.4-1-1V6h13v7.5c0 .6-.4 1-1 1z"/>
</svg>
</button>
</div>
</div>`,
"application/xml"
);
this.shadowRoot.importNodeAndAppendChildAt(
this.shadowRoot,
parserDoc.documentElement,
true
);
this.l10n.translateRoots();
}
get FIELD_EVENTS() {
return ["focus", "blur", "copy", "cut", "paste"];
}
get CONTROL_EVENTS() {
return [
"MozDateTimeValueChanged",
"MozNotifyMinMaxStepAttrChanged",
"MozDateTimeAttributeChanged",
"MozPickerValueChanged",
"MozSetDateTimePickerState",
"MozDateTimeShowPickerForJS",
];
}
get showPickerOnClick() {
return this.isAndroid || this.type == "time";
}
addEventListenersToField(aElement) {
// These events don't bubble out of the Shadow DOM, so we'll have to add
// event listeners specifically on each of the fields, not just
// on the <input>
this.FIELD_EVENTS.forEach(eventName => {
aElement.addEventListener(
eventName,
this,
{ mozSystemGroup: true },
false
);
});
}
removeEventListenersToField(aElement) {
if (!aElement) {
return;
}
this.FIELD_EVENTS.forEach(eventName => {
aElement.removeEventListener(eventName, this, { mozSystemGroup: true });
});
}
log(aMsg) {
if (this.DEBUG) {
this.window.dump("[DateTimeBox] " + aMsg + "\n");
}
}
createEditFieldAndAppend(
aL10nId,
aPlaceholderId,
aIsNumeric,
aMinDigits,
aMaxLength,
aMinValue,
aMaxValue,
aPageUpDownInterval
) {
let root = this.shadowRoot.getElementById("edit-wrapper");
let field = this.shadowRoot.createElementAndAppendChildAt(root, "span");
field.classList.add("datetime-edit-field");
field.setAttribute("aria-valuetext", "");
this.setFieldTabIndexAttribute(field);
const placeholder = this.l10n.formatValueSync(aPlaceholderId);
field.placeholder = placeholder;
field.textContent = placeholder;
this.l10n.setAttributes(field, aL10nId);
// Used to store the non-formatted value, cleared when value is
// cleared.
// DateTimeInputTypeBase::HasBadInput() will read this to decide
// if the input has value.
field.setAttribute("value", "");
if (aIsNumeric) {
field.classList.add("numeric");
// Maximum value allowed.
field.setAttribute("min", aMinValue);
// Minumim value allowed.
field.setAttribute("max", aMaxValue);
// Interval when pressing pageUp/pageDown key.
field.setAttribute("pginterval", aPageUpDownInterval);
// Used to store what the user has already typed in the field,
// cleared when value is cleared and when field is blurred.
field.setAttribute("typeBuffer", "");
// Minimum digits to display, padded with leading 0s.
field.setAttribute("mindigits", aMinDigits);
// Maximum length for the field, will be advance to the next field
// automatically if exceeded.
field.setAttribute("maxlength", aMaxLength);
// Set spinbutton ARIA role
field.setAttribute("role", "spinbutton");
if (this.mIsRTL) {
// Force the direction to be "ltr", so that the field stays in the
// same order even when it's empty (with placeholder). By using
// "embed", the text inside the element is still displayed based
// on its directionality.
field.style.unicodeBidi = "embed";
field.style.direction = "ltr";
}
} else {
// Set generic textbox ARIA role
field.setAttribute("role", "textbox");
}
return field;
}
updateCalendarButtonState(isExpanded) {
this.mCalendarButton.setAttribute("aria-expanded", isExpanded);
}
notifyInputElementValueChanged() {
this.log("inputElementValueChanged");
this.setFieldsFromInputValue();
}
notifyMinMaxStepAttrChanged() {
// Second and millisecond part are optional, rebuild edit fields if
// needed.
this.rebuildEditFieldsIfNeeded();
// Fill in values again.
this.setFieldsFromInputValue();
}
setValueFromPicker(aValue) {
if (aValue) {
this.setFieldsFromPicker(aValue);
} else {
this.clearInputFields();
}
}
advanceToNextField(aReverse) {
this.log("advanceToNextField");
let focusedInput = this.mLastFocusedElement;
let next = aReverse
? focusedInput.previousElementSibling
: focusedInput.nextElementSibling;
if (!next && !aReverse) {
this.setInputValueFromFields();
return;
}
while (next) {
if (next.matches("span.datetime-edit-field")) {
next.focus();
break;
}
next = aReverse ? next.previousElementSibling : next.nextElementSibling;
}
}
setPickerState(aIsOpen) {
this.log("picker is now " + (aIsOpen ? "opened" : "closed"));
this.mIsPickerOpen = aIsOpen;
// Calendar button's expanded state mirrors this.mIsPickerOpen
this.updateCalendarButtonState(this.mIsPickerOpen);
}
setFieldTabIndexAttribute(field) {
field.tabIndex = this.mInputElement.tabIndex;
}
updateEditAttributes() {
this.log("updateEditAttributes");
let editRoot = this.shadowRoot.getElementById("edit-wrapper");
for (let child of editRoot.querySelectorAll(
":scope > span.datetime-edit-field"
)) {
this.setFieldTabIndexAttribute(child);
}
}
isEmpty(aValue) {
return aValue == undefined || 0 === aValue.length;
}
getFieldValue(aField) {
if (!aField || !aField.classList.contains("numeric")) {
return undefined;
}
let value = aField.getAttribute("value");
// Avoid returning 0 when field is empty.
return this.isEmpty(value) ? undefined : Number(value);
}
clearFieldValue(aField) {
aField.textContent = aField.placeholder;
aField.setAttribute("value", "");
aField.setAttribute("aria-valuetext", "");
if (aField.classList.contains("numeric")) {
aField.setAttribute("typeBuffer", "");
}
}
openDateTimePicker() {
this.mInputElement.openDateTimePicker(this.getCurrentValue());
}
closeDateTimePicker() {
if (this.mIsPickerOpen) {
this.mInputElement.closeDateTimePicker();
}
}
notifyPicker() {
if (this.mIsPickerOpen && this.isAnyFieldAvailable(true)) {
this.mInputElement.updateDateTimePicker(this.getCurrentValue());
}
}
isDisabled() {
return this.mInputElement.matches(":disabled");
}
isReadonly() {
return this.mInputElement.matches(":read-only");
}
isEditable() {
return !this.isDisabled() && !this.isReadonly();
}
isRequired() {
return this.mInputElement.hasAttribute("required");
}
containingTree() {
return this.mInputElement.containingShadowRoot || this.document;
}
handleEvent(aEvent) {
this.log("handleEvent: " + aEvent.type);
if (!aEvent.isTrusted) {
return;
}
switch (aEvent.type) {
case "MozDateTimeValueChanged": {
this.notifyInputElementValueChanged();
break;
}
case "MozNotifyMinMaxStepAttrChanged": {
this.notifyMinMaxStepAttrChanged();
break;
}
case "MozDateTimeAttributeChanged": {
this.updateEditAttributes();
break;
}
case "MozPickerValueChanged": {
this.setValueFromPicker(aEvent.detail);
break;
}
case "MozSetDateTimePickerState": {
this.setPickerState(aEvent.detail);
break;
}
case "MozDateTimeShowPickerForJS": {
this.openDateTimePicker();
break;
}
case "keydown": {
this.onKeyDown(aEvent);
break;
}
case "click": {
this.onClick(aEvent);
break;
}
case "focus": {
this.onFocus(aEvent);
break;
}
case "blur": {
this.onBlur(aEvent);
break;
}
case "mousedown":
case "copy":
case "cut":
case "paste": {
aEvent.preventDefault();
break;
}
default:
break;
}
}
onFocus(aEvent) {
this.log("onFocus originalTarget: " + aEvent.originalTarget);
if (this.containingTree().activeElement != this.mInputElement) {
return;
}
let target = aEvent.originalTarget;
if (target.matches(".datetime-edit-field,.datetime-calendar-button")) {
if (target.disabled) {
return;
}
this.mLastFocusedElement = target;
this.mInputElement.setFocusState(true);
}
if (this.mIsPickerOpen && this.isPickerIrrelevantField(target)) {
this.closeDateTimePicker();
}
}
onBlur(aEvent) {
this.log(
"onBlur originalTarget: " +
aEvent.originalTarget +
" target: " +
aEvent.target +
" rt: " +
aEvent.relatedTarget +
" open: " +
this.mIsPickerOpen
);
let target = aEvent.originalTarget;
target.setAttribute("typeBuffer", "");
this.setInputValueFromFields();
// No need to set and unset the focus state (or closing the picker) if the
// focus is staying within our input.
if (aEvent.relatedTarget == this.mInputElement) {
return;
}
// If we're in chrome and the focus moves to a separate document
// (relatedTarget is null) we also don't want to close it, since it
// could've moved to the datetime popup itself.
if (
!aEvent.relatedTarget &&
this.window.isChromeWindow &&
this.window == this.window.top
) {
return;
}
this.mInputElement.setFocusState(false);
if (this.mIsPickerOpen) {
this.closeDateTimePicker();
}
}
isTimeField(field) {
return (
field == this.mHourField ||
field == this.mMinuteField ||
field == this.mSecondField ||
field == this.mDayPeriodField
);
}
shouldOpenDateTimePickerOnKeyDown() {
if (!this.mLastFocusedElement) {
return true;
}
return !this.isPickerIrrelevantField(this.mLastFocusedElement);
}
shouldOpenDateTimePickerOnClick(target) {
return !this.isPickerIrrelevantField(target);
}
// Whether a given field is irrelevant for the purposes of the datetime
// picker. This is useful for datetime-local, which as of right now only
// shows a date picker (not a time picker).
isPickerIrrelevantField(field) {
if (this.type != "datetime-local") {
return false;
}
return this.isTimeField(field);
}
onKeyDown(aEvent) {
this.log("onKeyDown key: " + aEvent.key);
if (aEvent.defaultPrevented) {
return;
}
switch (aEvent.key) {
// Toggle the picker on Space/Enter on Calendar button or Space on input,
// close on Escape anywhere.
case "Escape": {
if (this.mIsPickerOpen) {
this.closeDateTimePicker();
aEvent.preventDefault();
}
break;
}
case "Enter":
case " ": {
// always close, if opened
if (this.mIsPickerOpen) {
this.closeDateTimePicker();
} else if (
// open on Space from anywhere within the input
aEvent.key == " " &&
this.shouldOpenDateTimePickerOnKeyDown()
) {
this.openDateTimePicker();
} else if (
// open from the Calendar button on either keydown
aEvent.originalTarget == this.mCalendarButton &&
this.shouldOpenDateTimePickerOnKeyDown()
) {
this.openDateTimePicker();
} else {
// Don't preventDefault();
break;
}
aEvent.preventDefault();
break;
}
case "Delete":
case "Backspace": {
if (aEvent.originalTarget == this.mCalendarButton) {
// Do not remove Calendar button
aEvent.preventDefault();
break;
}
// Ctrl+Backspace/Delete on non-macOS and
// Cmd+Backspace/Delete on macOS to clear the field
if (aEvent.getModifierState("Accel")) {
// Clear the input's value
this.clearInputFields(false);
} else {
let targetField = aEvent.originalTarget;
this.clearFieldValue(targetField);
this.setInputValueFromFields();
}
aEvent.preventDefault();
break;
}
case "ArrowRight":
case "ArrowLeft": {
this.advanceToNextField(!(aEvent.key == "ArrowRight"));
aEvent.preventDefault();
break;
}
case "ArrowUp":
case "ArrowDown":
case "PageUp":
case "PageDown":
case "Home":
case "End": {
this.handleKeyboardNav(aEvent);
aEvent.preventDefault();
break;
}
default: {
// Handle printable characters (e.g. letters, digits and numpad digits)
if (
aEvent.key.length === 1 &&
!(aEvent.ctrlKey || aEvent.altKey || aEvent.metaKey)
) {
this.handleKeydown(aEvent);
aEvent.preventDefault();
}
break;
}
}
}
onClick(aEvent) {
this.log(
"onClick originalTarget: " +
aEvent.originalTarget +
" target: " +
aEvent.target
);
if (aEvent.defaultPrevented || !this.isEditable()) {
return;
}
// We toggle the picker on click on the Calendar button on any platform.
// For Android and for type=time inputs, we also toggle the picker when
// clicking on the input field.
//
// We do not toggle the picker when clicking the input field for Calendar
// on desktop to avoid interfering with the default Calendar behavior.
if (
aEvent.originalTarget == this.mCalendarButton ||
this.showPickerOnClick
) {
if (
!this.mIsPickerOpen &&
this.shouldOpenDateTimePickerOnClick(aEvent.originalTarget)
) {
this.openDateTimePicker();
} else {
this.closeDateTimePicker();
}
}
}
buildEditFields() {
let root = this.shadowRoot.getElementById("edit-wrapper");
let options = {};
if (this.shouldShowTime()) {
options.hour = options.minute = "numeric";
options.hour12 = this.mHour12;
if (this.shouldShowSecondField()) {
options.second = "numeric";
}
}
if (this.shouldShowDate()) {
options.year = options.month = options.day = "numeric";
}
let formatter = Intl.DateTimeFormat(this.mLocales, options);
formatter.formatToParts(Date.now()).map(part => {
switch (part.type) {
case "year":
this.mYearField = this.createEditFieldAndAppend(
"datetime-year",
"datetime-year-placeholder",
true,
this.mYearLength,
this.mMaxYear.toString().length,
this.mMinYear,
this.mMaxYear,
this.mYearPageUpDownInterval
);
this.addEventListenersToField(this.mYearField);
break;
case "month":
this.mMonthField = this.createEditFieldAndAppend(
"datetime-month",
"datetime-month-placeholder",
true,
this.mMonthDayLength,
this.mMonthDayLength,
this.mMinMonth,
this.mMaxMonth,
this.mMonthPageUpDownInterval
);
this.addEventListenersToField(this.mMonthField);
break;
case "day":
this.mDayField = this.createEditFieldAndAppend(
"datetime-day",
"datetime-day-placeholder",
true,
this.mMonthDayLength,
this.mMonthDayLength,
this.mMinDay,
this.mMaxDay,
this.mDayPageUpDownInterval
);
this.addEventListenersToField(this.mDayField);
break;
case "hour":
this.mHourField = this.createEditFieldAndAppend(
"datetime-hour",
"datetime-time-placeholder",
true,
this.mMaxLength,
this.mMaxLength,
this.mMinHour,
this.mMaxHour,
this.mHourPageUpDownInterval
);
this.addEventListenersToField(this.mHourField);
break;
case "minute":
this.mMinuteField = this.createEditFieldAndAppend(
"datetime-minute",
"datetime-time-placeholder",
true,
this.mMaxLength,
this.mMaxLength,
this.mMinMinute,
this.mMaxMinute,
this.mMinSecPageUpDownInterval
);
this.addEventListenersToField(this.mMinuteField);
break;
case "second":
this.mSecondField = this.createEditFieldAndAppend(
"datetime-second",
"datetime-time-placeholder",
true,
this.mMaxLength,
this.mMaxLength,
this.mMinSecond,
this.mMaxSecond,
this.mMinSecPageUpDownInterval
);
this.addEventListenersToField(this.mSecondField);
if (this.shouldShowMillisecField()) {
// Intl.DateTimeFormat does not support millisecond, so we
// need to handle this on our own.
let span = this.shadowRoot.createElementAndAppendChildAt(
root,
"span"
);
span.textContent = this.mMillisecSeparatorText;
this.mMillisecField = this.createEditFieldAndAppend(
"datetime-millisecond",
"datetime-time-placeholder",
true,
this.mMillisecMaxLength,
this.mMillisecMaxLength,
this.mMinMillisecond,
this.mMaxMillisecond,
this.mMinSecPageUpDownInterval
);
this.addEventListenersToField(this.mMillisecField);
}
break;
case "dayPeriod":
this.mDayPeriodField = this.createEditFieldAndAppend(
"datetime-dayperiod",
"datetime-time-placeholder",
false
);
this.addEventListenersToField(this.mDayPeriodField);
// Give aria autocomplete hint for am/pm
this.mDayPeriodField.setAttribute("aria-autocomplete", "inline");
break;
default:
let span = this.shadowRoot.createElementAndAppendChildAt(
root,
"span"
);
span.textContent = part.value;
break;
}
});
}
buildCalendarBtn() {
this.addEventListenersToField(this.mCalendarButton);
// This is to open the picker when a Calendar button is clicked (this
// includes padding area).
this.mCalendarButton.addEventListener(
"click",
this,
{ mozSystemGroup: true },
false
);
}
clearInputFields(aFromInputElement) {
this.log("clearInputFields");
if (this.mMonthField) {
this.clearFieldValue(this.mMonthField);
}
if (this.mDayField) {
this.clearFieldValue(this.mDayField);
}
if (this.mYearField) {
this.clearFieldValue(this.mYearField);
}
if (this.mHourField) {
this.clearFieldValue(this.mHourField);
}
if (this.mMinuteField) {
this.clearFieldValue(this.mMinuteField);
}
if (this.mSecondField) {
this.clearFieldValue(this.mSecondField);
}
if (this.mMillisecField) {
this.clearFieldValue(this.mMillisecField);
}
if (this.mDayPeriodField) {
this.clearFieldValue(this.mDayPeriodField);
}
if (!aFromInputElement) {
if (this.mInputElement.value) {
this.mInputElement.setUserInput("");
} else {
this.mInputElement.updateValidityState();
}
}
}
setFieldsFromInputValue() {
// Second and millisecond part are optional, rebuild edit fields if
// needed.
this.rebuildEditFieldsIfNeeded();
let value = this.mInputElement.value;
if (!value) {
this.clearInputFields(true);
return;
}
let { year, month, day, hour, minute, second, millisecond } =
this.getInputElementValues();
if (this.shouldShowDate()) {
this.log("setFieldsFromInputValue: " + value);
this.setFieldValue(this.mYearField, year);
this.setFieldValue(this.mMonthField, month);
this.setFieldValue(this.mDayField, day);
}
if (this.shouldShowTime()) {
if (this.isEmpty(hour) && this.isEmpty(minute)) {
this.clearInputFields(true);
return;
}
this.setFieldValue(this.mHourField, hour);
this.setFieldValue(this.mMinuteField, minute);
if (this.mHour12) {
this.setDayPeriodValue(
hour >= this.mMaxHour ? this.mPMIndicator : this.mAMIndicator
);
}
if (this.mSecondField) {
this.setFieldValue(this.mSecondField, second || 0);
}
if (this.mMillisecField) {
this.setFieldValue(this.mMillisecField, millisecond || 0);
}
}
this.notifyPicker();
}
setInputValueFromFields() {
if (this.isAnyFieldEmpty()) {
// Clear input element's value if any of the field has been cleared,
// otherwise update the validity state, since it may become "not"
// invalid if fields are not complete.
if (this.mInputElement.value) {
this.mInputElement.setUserInput("");
} else {
this.mInputElement.updateValidityState();
}
// We still need to notify picker in case any of the field has
// changed.
this.notifyPicker();
return;
}
let { year, month, day, hour, minute, second, millisecond, dayPeriod } =
this.getCurrentValue();
let time = "";
let date = "";
// Convert to a valid time string according to:
if (this.shouldShowTime()) {
if (this.mHour12) {
if (dayPeriod == this.mPMIndicator && hour < this.mMaxHour) {
hour += this.mMaxHour;
} else if (dayPeriod == this.mAMIndicator && hour == this.mMaxHour) {
hour = 0;
}
}
hour = hour < 10 ? "0" + hour : hour;
minute = minute < 10 ? "0" + minute : minute;
time = hour + ":" + minute;
if (second != undefined) {
second = second < 10 ? "0" + second : second;
time += ":" + second;
}
if (millisecond != undefined) {
// Convert milliseconds to fraction of second.
millisecond = millisecond
.toString()
.padStart(this.mMillisecMaxLength, "0");
time += "." + millisecond;
}
}
if (this.shouldShowDate()) {
// Convert to a valid date string according to:
year = year.toString().padStart(this.mYearLength, "0");
month = month < 10 ? "0" + month : month;
day = day < 10 ? "0" + day : day;
date = [year, month, day].join("-");
}
let value;
if (date) {
value = date;
}
if (time) {
value = value ? value + "T" + time : time;
}
if (value == this.mInputElement.value) {
return;
}
this.log("setInputValueFromFields: " + value);
this.notifyPicker();
this.mInputElement.setUserInput(value);
}
setFieldsFromPicker({ year, month, day, hour, minute }) {
if (!this.isEmpty(hour)) {
this.setFieldValue(this.mHourField, hour);
if (this.mHour12) {
this.setDayPeriodValue(
hour >= this.mMaxHour ? this.mPMIndicator : this.mAMIndicator
);
}
}
if (!this.isEmpty(minute)) {
this.setFieldValue(this.mMinuteField, minute);
}
if (!this.isEmpty(year)) {
this.setFieldValue(this.mYearField, year);
}
if (!this.isEmpty(month)) {
this.setFieldValue(this.mMonthField, month);
}
if (!this.isEmpty(day)) {
this.setFieldValue(this.mDayField, day);
}
// Update input element's .value if needed.
this.setInputValueFromFields();
}
handleKeydown(aEvent) {
if (!this.isEditable()) {
return;
}
let targetField = aEvent.originalTarget;
let key = aEvent.key;
if (targetField == this.mDayPeriodField) {
if (key == "a" || key == "A") {
this.setDayPeriodValue(this.mAMIndicator);
} else if (key == "p" || key == "P") {
this.setDayPeriodValue(this.mPMIndicator);
}
if (!this.isAnyFieldEmpty()) {
this.setInputValueFromFields();
}
return;
}
if (targetField.classList.contains("numeric") && key.match(/[0-9]/)) {
let buffer = targetField.getAttribute("typeBuffer") || "";
buffer = buffer.concat(key);
this.setFieldValue(targetField, buffer);
let n = Number(buffer);
let max = targetField.getAttribute("max");
let maxLength = targetField.getAttribute("maxlength");
if (targetField == this.mHourField) {
if (n * 10 > 23 || buffer.length === 2) {
buffer = "";
this.advanceToNextField();
}
} else if (buffer.length >= maxLength || n * 10 > max) {
buffer = "";
this.advanceToNextField();
}
targetField.setAttribute("typeBuffer", buffer);
}
}
getCurrentValue() {
let value = {};
if (this.shouldShowDate()) {
value.year = this.getFieldValue(this.mYearField);
value.month = this.getFieldValue(this.mMonthField);
value.day = this.getFieldValue(this.mDayField);
}
if (this.shouldShowTime()) {
let dayPeriod = this.getDayPeriodValue();
let hour = this.getFieldValue(this.mHourField);
if (!this.isEmpty(hour)) {
if (this.mHour12) {
if (dayPeriod == this.mPMIndicator && hour < this.mMaxHour) {
hour += this.mMaxHour;
} else if (dayPeriod == this.mAMIndicator && hour == this.mMaxHour) {
hour = 0;
}
}
}
value.hour = hour;
value.dayPeriod = dayPeriod;
value.minute = this.getFieldValue(this.mMinuteField);
value.second = this.getFieldValue(this.mSecondField);
value.millisecond = this.getFieldValue(this.mMillisecField);
}
this.log("getCurrentValue: " + JSON.stringify(value));
return value;
}
setFieldValue(aField, aValue) {
if (!aField || !aField.classList.contains("numeric")) {
return;
}
let value = Number(aValue);
if (isNaN(value)) {
this.log("NaN on setFieldValue!");
return;
}
if (aField == this.mHourField) {
if (this.mHour12) {
// Try to change to 12hr format if user input is 0 or greater
// than 12.
switch (true) {
case value == 0 && aValue.length == 2:
value = this.mMaxHour;
this.setDayPeriodValue(this.mAMIndicator);
break;
case value == this.mMaxHour:
this.setDayPeriodValue(this.mPMIndicator);
break;
case value < 12:
if (!this.getDayPeriodValue()) {
this.setDayPeriodValue(this.mAMIndicator);
}
break;
case value > 12 && value < 24:
value = value % this.mMaxHour;
this.setDayPeriodValue(this.mPMIndicator);
break;
default:
value = Math.floor(value / 10);
break;
}
} else if (value > this.mMaxHour) {
value = this.mMaxHour;
}
}
let maxLength = aField.getAttribute("maxlength");
if (aValue.length == maxLength) {
let min = Number(aField.getAttribute("min"));
let max = Number(aField.getAttribute("max"));
if (value < min) {
value = min;
} else if (value > max) {
value = max;
}
}
aField.setAttribute("value", value);
let minDigits = aField.getAttribute("mindigits");
let formatted = value.toLocaleString(this.mLocales, {
minimumIntegerDigits: minDigits,
useGrouping: false,
});
aField.textContent = formatted;
aField.setAttribute("aria-valuetext", formatted);
}
isAnyFieldAvailable(aForPicker = false) {
let { year, month, day, hour, minute, second, millisecond } =
this.getCurrentValue();
if (
!this.isEmpty(year) ||
!this.isEmpty(month) ||
!this.isEmpty(day) ||
!this.isEmpty(hour) ||
!this.isEmpty(minute)
) {
return true;
}
// Picker doesn't care about seconds / milliseconds / day period.
if (aForPicker) {
return false;
}
let dayPeriod = this.getDayPeriodValue();
return (
(this.mDayPeriodField && !this.isEmpty(dayPeriod)) ||
(this.mSecondField && !this.isEmpty(second)) ||
(this.mMillisecField && !this.isEmpty(millisecond))
);
}
isAnyFieldEmpty() {
let { year, month, day, hour, minute, second, millisecond } =
this.getCurrentValue();
return (
(this.mYearField && this.isEmpty(year)) ||
(this.mMonthField && this.isEmpty(month)) ||
(this.mDayField && this.isEmpty(day)) ||
(this.mHourField && this.isEmpty(hour)) ||
(this.mMinuteField && this.isEmpty(minute)) ||
(this.mDayPeriodField && this.isEmpty(this.getDayPeriodValue())) ||
(this.mSecondField && this.isEmpty(second)) ||
(this.mMillisecField && this.isEmpty(millisecond))
);
}
get kMsPerSecond() {
return 1000;
}
get kMsPerMinute() {
return 60 * 1000;
}
getInputElementValues() {
let value = this.mInputElement.value;
if (value.length === 0) {
return {};
}
let date, time;
let year, month, day, hour, minute, second, millisecond;
if (this.type == "date") {
date = value;
}
if (this.type == "time") {
time = value;
}
if (this.type == "datetime-local") {
[date, time] = value.split("T");
}
if (date) {
[year, month, day] = date.split("-");
}
if (time) {
[hour, minute, second] = time.split(":");
if (second) {
[second, millisecond] = second.split(".");
// Convert fraction of second to milliseconds.
if (millisecond && millisecond.length === 1) {
millisecond *= 100;
} else if (millisecond && millisecond.length === 2) {
millisecond *= 10;
}
}
}
return { year, month, day, hour, minute, second, millisecond };
}
shouldShowSecondField() {
if (!this.shouldShowTime()) {
return false;
}
let { second } = this.getInputElementValues();
if (second != undefined) {
return true;
}
let stepBase = this.mInputElement.getStepBase();
if (stepBase % this.kMsPerMinute != 0) {
return true;
}
let step = this.mInputElement.getStep();
if (step % this.kMsPerMinute != 0) {
return true;
}
return false;
}
shouldShowMillisecField() {
if (!this.shouldShowTime()) {
return false;
}
let { millisecond } = this.getInputElementValues();
if (millisecond != undefined) {
return true;
}
let stepBase = this.mInputElement.getStepBase();
if (stepBase % this.kMsPerSecond != 0) {
return true;
}
let step = this.mInputElement.getStep();
if (step % this.kMsPerSecond != 0) {
return true;
}
return false;
}
getStringsForLocale(aLocales) {
this.log("getStringsForLocale: " + aLocales);
let intlUtils = this.window.intlUtils;
if (!intlUtils) {
return {};
}
let result = intlUtils.getDisplayNames(this.mLocales, {
type: "dayPeriod",
style: "short",
calendar: "gregory",
keys: ["am", "pm"],
});
let [amString, pmString] = result.values;
return { amString, pmString };
}
is12HourTime(aLocales) {
let options = new Intl.DateTimeFormat(aLocales, {
hour: "numeric",
}).resolvedOptions();
return options.hour12;
}
incrementFieldValue(aTargetField, aTimes) {
let value = this.getFieldValue(aTargetField);
// Use current time if field is empty.
if (this.isEmpty(value)) {
let now = new Date();
if (aTargetField == this.mYearField) {
value = now.getFullYear();
} else if (aTargetField == this.mMonthField) {
value = now.getMonth() + 1;
} else if (aTargetField == this.mDayField) {
value = now.getDate();
} else if (aTargetField == this.mHourField) {
value = now.getHours();
if (this.mHour12) {
value = value % this.mMaxHour || this.mMaxHour;
}
} else if (aTargetField == this.mMinuteField) {
value = now.getMinutes();
} else if (aTargetField == this.mSecondField) {
value = now.getSeconds();
} else if (aTargetField == this.mMillisecField) {
value = now.getMilliseconds();
} else {
this.log("Field not supported in incrementFieldValue.");
return;
}
}
let min = +aTargetField.getAttribute("min");
let max = +aTargetField.getAttribute("max");
value += Number(aTimes);
if (value > max) {
value -= max - min + 1;
} else if (value < min) {
value += max - min + 1;
}
this.setFieldValue(aTargetField, value);
}
handleKeyboardNav(aEvent) {
if (!this.isEditable()) {
return;
}
let targetField = aEvent.originalTarget;
let key = aEvent.key;
if (targetField == this.mYearField && (key == "Home" || key == "End")) {
// Home/End key does nothing on year field.
return;
}
if (targetField == this.mDayPeriodField) {
// Home/End key does nothing on AM/PM field.
if (key == "Home" || key == "End") {
return;
}
this.setDayPeriodValue(
this.getDayPeriodValue() == this.mAMIndicator
? this.mPMIndicator
: this.mAMIndicator
);
this.setInputValueFromFields();
return;
}
switch (key) {
case "ArrowUp":
this.incrementFieldValue(targetField, 1);
break;
case "ArrowDown":
this.incrementFieldValue(targetField, -1);
break;
case "PageUp": {
let interval = targetField.getAttribute("pginterval");
this.incrementFieldValue(targetField, interval);
break;
}
case "PageDown": {
let interval = targetField.getAttribute("pginterval");
this.incrementFieldValue(targetField, 0 - interval);
break;
}
case "Home":
let min = targetField.getAttribute("min");
this.setFieldValue(targetField, min);
break;
case "End":
let max = targetField.getAttribute("max");
this.setFieldValue(targetField, max);
break;
}
this.setInputValueFromFields();
}
getDayPeriodValue() {
if (!this.mDayPeriodField) {
return "";
}
let placeholder = this.mDayPeriodField.placeholder;
let value = this.mDayPeriodField.textContent;
return value == placeholder ? "" : value;
}
setDayPeriodValue(aValue) {
if (!this.mDayPeriodField) {
return;
}
this.mDayPeriodField.textContent = aValue;
this.mDayPeriodField.setAttribute("value", aValue);
}
};