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// -*- indent-tabs-mode: nil; js-indent-level: 2 -*-
/* 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/. */
// update menu items that rely on focus or on the current selection
function goUpdateGlobalEditMenuItems(force) {
// Don't bother updating the edit commands if they aren't visible in any way
// (i.e. the Edit menu isn't open, nor is the context menu open, nor have the
// cut, copy, and paste buttons been added to the toolbars) for performance.
// This only works in applications/on platforms that set the gEditUIVisible
// flag, so we check to see if that flag is defined before using it.
if (!force && typeof gEditUIVisible != "undefined" && !gEditUIVisible) {
return;
}
goUpdateCommand("cmd_undo");
goUpdateCommand("cmd_redo");
goUpdateCommand("cmd_cut");
goUpdateCommand("cmd_copy");
goUpdateCommand("cmd_paste");
goUpdateCommand("cmd_selectAll");
goUpdateCommand("cmd_delete");
goUpdateCommand("cmd_switchTextDirection");
}
// update menu items that relate to undo/redo
function goUpdateUndoEditMenuItems() {
goUpdateCommand("cmd_undo");
goUpdateCommand("cmd_redo");
}
// update menu items that depend on clipboard contents
function goUpdatePasteMenuItems() {
goUpdateCommand("cmd_paste");
}
// Inject the commandset here instead of relying on preprocessor to share this across documents.
window.addEventListener(
"DOMContentLoaded",
() => {
// Bug 371900: Remove useless oncommand attribute once bug 371900 is fixed
// If you remove/update the oncommand attribute for any of the cmd_*, please
// also remove/update the sha512 hash in the CSP within about:downloads
let container =
document.querySelector("commandset") || document.documentElement;
let fragment = MozXULElement.parseXULToFragment(`
<commandset id="editMenuCommands">
<commandset id="editMenuCommandSetAll" commandupdater="true" events="focus,select" />
<commandset id="editMenuCommandSetUndo" commandupdater="true" events="undo" />
<commandset id="editMenuCommandSetPaste" commandupdater="true" events="clipboard" />
<command id="cmd_undo" oncommand=";" />
<command id="cmd_redo" oncommand=";" />
<command id="cmd_cut" oncommand=";" />
<command id="cmd_copy" oncommand=";" />
<command id="cmd_paste" oncommand=";" />
<command id="cmd_delete" oncommand=";" />
<command id="cmd_selectAll" oncommand=";" />
<command id="cmd_switchTextDirection" oncommand=";" />
</commandset>
`);
let editMenuCommandSetAll = fragment.querySelector(
"#editMenuCommandSetAll"
);
editMenuCommandSetAll.addEventListener("commandupdate", function() {
goUpdateGlobalEditMenuItems();
});
let editMenuCommandSetUndo = fragment.querySelector(
"#editMenuCommandSetUndo"
);
editMenuCommandSetUndo.addEventListener("commandupdate", function() {
goUpdateUndoEditMenuItems();
});
let editMenuCommandSetPaste = fragment.querySelector(
"#editMenuCommandSetPaste"
);
editMenuCommandSetPaste.addEventListener("commandupdate", function() {
goUpdatePasteMenuItems();
});
fragment.firstElementChild.addEventListener("command", event => {
let commandID = event.target.id;
goDoCommand(commandID);
});
container.appendChild(fragment);
},
{ once: true }
);
// Support context menus on html textareas in the parent process:
window.addEventListener("contextmenu", e => {
const HTML_NS = "http://www.w3.org/1999/xhtml";
let needsContextMenu =
e.composedTarget.ownerDocument == document &&
!e.defaultPrevented &&
e.composedTarget.parentNode.nodeName != "moz-input-box" &&
((["textarea", "input"].includes(e.composedTarget.localName) &&
e.composedTarget.namespaceURI == HTML_NS) ||
e.composedTarget.closest("search-textbox"));
if (!needsContextMenu) {
return;
}
let popup = document.getElementById("textbox-contextmenu");
if (!popup) {
MozXULElement.insertFTLIfNeeded("toolkit/global/textActions.ftl");
document.documentElement.appendChild(
MozXULElement.parseXULToFragment(`
<menupopup id="textbox-contextmenu" class="textbox-contextmenu">
<menuitem data-l10n-id="text-action-undo" command="cmd_undo"></menuitem>
<menuseparator></menuseparator>
<menuitem data-l10n-id="text-action-cut" command="cmd_cut"></menuitem>
<menuitem data-l10n-id="text-action-copy" command="cmd_copy"></menuitem>
<menuitem data-l10n-id="text-action-paste" command="cmd_paste"></menuitem>
<menuitem data-l10n-id="text-action-delete" command="cmd_delete"></menuitem>
<menuseparator></menuseparator>
<menuitem data-l10n-id="text-action-select-all" command="cmd_selectAll"></menuitem>
</menupopup>
`)
);
popup = document.documentElement.lastElementChild;
}
goUpdateGlobalEditMenuItems(true);
popup.openPopupAtScreen(e.screenX, e.screenY, true);
// Don't show any other context menu at the same time. There can be a
// context menu from an ancestor too but we only want to show this one.
e.preventDefault();
});
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