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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
class ViewPickerButton extends MailTabButton {
observed3PaneEvents = ["folderURIChanged", "MailViewChanged"];
observedAboutMessageEvents = [];
/**
* Update the label and icon of the button from the currently selected folder
* in the local 3pane.
*/
onCommandContextChange() {
const { gViewWrapper } =
document.getElementById("tabmail").currentAbout3Pane ?? {};
if (!gViewWrapper) {
this.disabled = true;
return;
}
this.disabled = false;
const viewPickerPopup = document.getElementById(this.getAttribute("popup"));
const value = window.ViewPickerBinding.currentViewValue;
let selectedItem = viewPickerPopup.querySelector(`[value="${value}"]`);
if (!selectedItem) {
// We may have a new item, so refresh to make it show up.
window.RefreshAllViewPopups(viewPickerPopup, true);
selectedItem = viewPickerPopup.querySelector(`[value="${value}"]`);
}
this.label.textContent = selectedItem?.getAttribute("label");
if (!this.label.textContent) {
document.l10n.setAttributes(this.label, "toolbar-view-picker-label");
}
}
}
customElements.define("view-picker-button", ViewPickerButton, {
extends: "button",
});