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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/. */
const DEBUG = false;
function debug(aStr) {
if (DEBUG) {
dump("-*- DateTimePickerParent: " + aStr + "\n");
}
}
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.
*/
export class DateTimePickerParent extends JSWindowActorParent {
receiveMessage(aMessage) {
debug("receiveMessage: " + aMessage.name);
switch (aMessage.name) {
case "FormDateTime:OpenPicker": {
this.showPicker(aMessage.data);
break;
}
case "FormDateTime:ClosePicker": {
if (!this._picker) {
return;
}
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 "DateTimePickerValueCleared": {
this.sendAsyncMessage("FormDateTime:PickerValueChanged", null);
break;
}
case "DateTimePickerValueChanged": {
this.sendAsyncMessage("FormDateTime:PickerValueChanged", aEvent.detail);
break;
}
case "popuphidden": {
this.sendAsyncMessage("FormDateTime:PickerClosed", {});
this.close();
break;
}
default:
break;
}
}
// Get picker from browser and show it anchored to the input box.
showPicker(aData) {
let rect = aData.rect;
let type = aData.type;
let detail = aData.detail;
debug("Opening picker with details: " + JSON.stringify(detail));
let topBC = this.browsingContext.top;
let window = topBC.topChromeWindow;
if (Services.focus.activeWindow != window) {
debug("Not in the active window");
return;
}
{
let browser = topBC.embedderElement;
if (
browser &&
browser.ownerGlobal.gBrowser &&
browser.ownerGlobal.gBrowser.selectedBrowser != browser
) {
debug("In background tab");
return;
}
}
let doc = window.document;
let panel = doc.getElementById("DateTimePickerPanel");
if (!panel) {
panel = doc.createXULElement("panel");
panel.id = "DateTimePickerPanel";
panel.setAttribute("type", "arrow");
panel.setAttribute("orient", "vertical");
panel.setAttribute("ignorekeys", "true");
panel.setAttribute("noautofocus", "true");
// This ensures that clicks on the anchored input box are never consumed.
panel.setAttribute("consumeoutsideclicks", "never");
panel.setAttribute("level", "parent");
panel.setAttribute("tabspecific", "true");
let container =
doc.getElementById("mainPopupSet") ||
doc.querySelector("popupset") ||
doc.documentElement.appendChild(doc.createXULElement("popupset"));
container.appendChild(panel);
}
this._oldFocus = doc.activeElement;
this._picker = new lazy.DateTimePickerPanel(panel);
this._picker.openPicker(type, rect, detail);
this.addPickerListeners();
}
// Close the picker and do some cleanup.
close() {
this._picker.closePicker();
// 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);
this._picker.element.addEventListener("DateTimePickerValueCleared", this);
}
// Stop listening to picker's event.
removePickerListeners() {
if (!this._picker) {
return;
}
this._picker.element.removeEventListener("popuphidden", this);
this._picker.element.removeEventListener(
"DateTimePickerValueChanged",
this
);
this._picker.element.removeEventListener(
"DateTimePickerValueCleared",
this
);
}
}
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