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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
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
"use strict";
const DEBUG = false;
function debug(aStr) {
if (DEBUG) {
dump("-*- DateTimePickerParent: " + aStr + "\n");
}
}
var EXPORTED_SYMBOLS = ["DateTimePickerParent"];
const lazy = {};
ChromeUtils.defineESModuleGetters(lazy, {
DateTimePickerPanel: "resource://gre/modules/DateTimePickerPanel.sys.mjs",
});
/*
* DateTimePickerParent receives message from content side (input box) and
* is reposible for opening, closing and updating the picker. Similarly,
* DateTimePickerParent listens for picker's events and notifies the content
* side (input box) about them.
*/
class DateTimePickerParent extends JSWindowActorParent {
receiveMessage(aMessage) {
debug("receiveMessage: " + aMessage.name);
switch (aMessage.name) {
case "FormDateTime:OpenPicker": {
let topBrowsingContext = this.manager.browsingContext.top;
let browser = topBrowsingContext.embedderElement;
this.showPicker(browser, aMessage.data);
break;
}
case "FormDateTime:ClosePicker": {
if (!this._picker) {
return;
}
this._picker.closePicker();
this.close();
break;
}
case "FormDateTime:UpdatePicker": {
if (!this._picker) {
return;
}
this._picker.setPopupValue(aMessage.data);
break;
}
default:
break;
}
}
handleEvent(aEvent) {
debug("handleEvent: " + aEvent.type);
switch (aEvent.type) {
case "DateTimePickerValueChanged": {
this.sendAsyncMessage("FormDateTime:PickerValueChanged", aEvent.detail);
break;
}
case "popuphidden": {
this.sendAsyncMessage("FormDateTime:PickerClosed", {});
this._picker.closePicker();
this.close();
break;
}
default:
break;
}
}
// Get picker from browser and show it anchored to the input box.
showPicker(aBrowser, aData) {
let rect = aData.rect;
let type = aData.type;
let detail = aData.detail;
debug("Opening picker with details: " + JSON.stringify(detail));
let window = aBrowser.ownerGlobal;
let tabbrowser = window.gBrowser;
if (
Services.focus.activeWindow != window ||
(tabbrowser && tabbrowser.selectedBrowser != aBrowser)
) {
// We were sent a message from a window or tab that went into the
// background, so we'll ignore it for now.
return;
}
let panel;
if (tabbrowser) {
panel = tabbrowser._getAndMaybeCreateDateTimePickerPanel();
} else {
panel = aBrowser.dateTimePicker;
}
if (!panel) {
debug("aBrowser.dateTimePicker not found, exiting now.");
return;
}
this.oldFocus = window.document.activeElement;
this._picker = new lazy.DateTimePickerPanel(panel);
this._picker.openPicker(type, rect, detail);
this.addPickerListeners();
}
// Picker is closed, do some cleanup.
close() {
if (this.oldFocus) {
// Restore focus to where it was before the picker opened.
this.oldFocus.focus();
this.oldFocus = null;
}
this.removePickerListeners();
this._picker = null;
}
// Listen to picker's event.
addPickerListeners() {
if (!this._picker) {
return;
}
this._picker.element.addEventListener("popuphidden", this);
this._picker.element.addEventListener("DateTimePickerValueChanged", this);
}
// Stop listening to picker's event.
removePickerListeners() {
if (!this._picker) {
return;
}
this._picker.element.removeEventListener("popuphidden", this);
this._picker.element.removeEventListener(
"DateTimePickerValueChanged",
this
);
}
}
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