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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 module inject dynamically menu items into browser UI.
*
* Menu definitions are fetched from:
* - devtools/client/menus for top level entires
* - devtools/client/definitions for tool-specifics entries
*/
const MENUS_L10N = new LocalizationHelper(
"devtools/client/locales/menus.properties"
);
loader.lazyRequireGetter(
this,
"gDevTools",
true
);
loader.lazyRequireGetter(
this,
"gDevToolsBrowser",
true
);
loader.lazyRequireGetter(
this,
"Telemetry",
);
let telemetry = null;
// Keep list of inserted DOM Elements in order to remove them on unload
// Maps browser xul document => list of DOM Elements
const FragmentsCache = new Map();
function l10n(key) {
return MENUS_L10N.getStr(key);
}
/**
* Create a xul:menuitem element
*
* @param {HTMLDocument} doc
* The document to which menus are to be added.
* @param {String} id
* Element id.
* @param {String} label
* Menu label.
* @param {String} accesskey (optional)
* Access key of the menuitem, used as shortcut while opening the menu.
* @param {Boolean} isCheckbox (optional)
* If true, the menuitem will act as a checkbox and have an optional
* tick on its left.
* @param {String} appMenuL10nId (optional)
* A Fluent key to set the appmenu-data-l10n-id attribute of the menuitem
* to. This can then be used to show a different string when cloning the
* menuitem to show in the AppMenu or panel contexts.
*
* @return XULMenuItemElement
*/
function createMenuItem({
doc,
id,
label,
accesskey,
isCheckbox,
appMenuL10nId,
}) {
const menuitem = doc.createXULElement("menuitem");
menuitem.id = id;
menuitem.setAttribute("label", label);
if (accesskey) {
menuitem.setAttribute("accesskey", accesskey);
}
if (isCheckbox) {
menuitem.setAttribute("type", "checkbox");
menuitem.setAttribute("autocheck", "false");
}
if (appMenuL10nId) {
menuitem.setAttribute("appmenu-data-l10n-id", appMenuL10nId);
}
return menuitem;
}
/**
* Add a menu entry for a tool definition
*
* @param {Object} toolDefinition
* Tool definition of the tool to add a menu entry.
* @param {HTMLDocument} doc
* The document to which the tool menu item is to be added.
*/
function createToolMenuElements(toolDefinition, doc) {
const id = toolDefinition.id;
const menuId = "menuitem_" + id;
// Prevent multiple entries for the same tool.
if (doc.getElementById(menuId)) {
return null;
}
const oncommand = async function (id, event) {
try {
const window = event.target.ownerDocument.defaultView;
await gDevToolsBrowser.selectToolCommand(window, id, Cu.now());
sendEntryPointTelemetry(window);
} catch (e) {
console.error(`Exception while opening ${id}: ${e}\n${e.stack}`);
}
}.bind(null, id);
const menuitem = createMenuItem({
doc,
id: "menuitem_" + id,
label: toolDefinition.menuLabel || toolDefinition.label,
accesskey: toolDefinition.accesskey,
appMenuL10nId: toolDefinition.appMenuL10nId,
});
// Refer to the key in order to display the key shortcut at menu ends
// This <key> element is being created by devtools/client/devtools-startup.js
menuitem.setAttribute("key", "key_" + id);
menuitem.addEventListener("command", oncommand);
return menuitem;
}
/**
* Send entry point telemetry explaining how the devtools were launched when
* launched from the System Menu.. This functionality also lives inside
* `devtools/startup/devtools-startup.js` but that codepath is only used the
* first time a toolbox is opened for a tab.
*/
function sendEntryPointTelemetry(window) {
if (!telemetry) {
telemetry = new Telemetry();
}
telemetry.addEventProperty(window, "open", "tools", null, "shortcut", "");
telemetry.addEventProperty(
window,
"open",
"tools",
null,
"entrypoint",
"SystemMenu"
);
}
/**
* Create xul menuitem, key elements for a given tool.
* And then insert them into browser DOM.
*
* @param {HTMLDocument} doc
* The document to which the tool is to be registered.
* @param {Object} toolDefinition
* Tool definition of the tool to register.
* @param {Object} prevDef
* The tool definition after which the tool menu item is to be added.
*/
function insertToolMenuElements(doc, toolDefinition, prevDef) {
const menuitem = createToolMenuElements(toolDefinition, doc);
if (!menuitem) {
return;
}
let ref;
if (prevDef) {
const menuitem = doc.getElementById("menuitem_" + prevDef.id);
ref = menuitem?.nextSibling ? menuitem.nextSibling : null;
} else {
ref = doc.getElementById("menu_devtools_remotedebugging");
}
if (ref) {
ref.parentNode.insertBefore(menuitem, ref);
}
}
exports.insertToolMenuElements = insertToolMenuElements;
/**
* Remove a tool's menuitem from a window
*
* @param {string} toolId
* Id of the tool to add a menu entry for
* @param {HTMLDocument} doc
* The document to which the tool menu item is to be removed from
*/
function removeToolFromMenu(toolId, doc) {
const key = doc.getElementById("key_" + toolId);
if (key) {
key.remove();
}
const menuitem = doc.getElementById("menuitem_" + toolId);
if (menuitem) {
menuitem.remove();
}
}
exports.removeToolFromMenu = removeToolFromMenu;
/**
* Add all tools to the developer tools menu of a window.
*
* @param {HTMLDocument} doc
* The document to which the tool items are to be added.
*/
function addAllToolsToMenu(doc) {
const fragMenuItems = doc.createDocumentFragment();
for (const toolDefinition of gDevTools.getToolDefinitionArray()) {
if (!toolDefinition.inMenu) {
continue;
}
const menuItem = createToolMenuElements(toolDefinition, doc);
if (!menuItem) {
continue;
}
fragMenuItems.appendChild(menuItem);
}
const mps = doc.getElementById("menu_devtools_remotedebugging");
if (mps) {
mps.parentNode.insertBefore(fragMenuItems, mps);
}
}
/**
* Add global menus that are not panel specific.
*
* @param {HTMLDocument} doc
* The document to which menus are to be added.
*/
function addTopLevelItems(doc) {
const menuItems = doc.createDocumentFragment();
for (const item of menuitems) {
if (item.separator) {
const separator = doc.createXULElement("menuseparator");
separator.id = item.id;
menuItems.appendChild(separator);
} else {
const { id, l10nKey } = item;
// Create a <menuitem>
const menuitem = createMenuItem({
doc,
id,
label: l10n(l10nKey + ".label"),
accesskey: l10n(l10nKey + ".accesskey"),
isCheckbox: item.checkbox,
appMenuL10nId: item.appMenuL10nId,
});
menuitem.addEventListener("command", item.oncommand);
menuItems.appendChild(menuitem);
if (item.keyId) {
menuitem.setAttribute("key", "key_" + item.keyId);
}
}
}
// Cache all nodes before insertion to be able to remove them on unload
const nodes = [];
for (const node of menuItems.children) {
nodes.push(node);
}
FragmentsCache.set(doc, nodes);
const menu = doc.getElementById("menuWebDeveloperPopup");
menu.appendChild(menuItems);
// There is still "Page Source" and "Task Manager" menuitems hardcoded
// into browser.xhtml. Instead of manually inserting everything around it,
// move them to the expected position.
const pageSourceMenu = doc.getElementById("menu_pageSource");
const extensionsForDevelopersMenu = doc.getElementById(
"extensionsForDevelopers"
);
menu.insertBefore(pageSourceMenu, extensionsForDevelopersMenu);
const taskManagerMenu = doc.getElementById("menu_taskManager");
const remoteDebuggingMenu = doc.getElementById(
"menu_devtools_remotedebugging"
);
menu.insertBefore(taskManagerMenu, remoteDebuggingMenu);
}
/**
* Remove global menus that are not panel specific.
*
* @param {HTMLDocument} doc
* The document to which menus are to be added.
*/
function removeTopLevelItems(doc) {
const nodes = FragmentsCache.get(doc);
if (!nodes) {
return;
}
FragmentsCache.delete(doc);
for (const node of nodes) {
node.remove();
}
}
/**
* Add menus to a browser document
*
* @param {HTMLDocument} doc
* The document to which menus are to be added.
*/
exports.addMenus = function (doc) {
addTopLevelItems(doc);
addAllToolsToMenu(doc);
};
/**
* Remove menus from a browser document
*
* @param {HTMLDocument} doc
* The document to which menus are to be removed.
*/
exports.removeMenus = function (doc) {
// We only remove top level entries. Per-tool entries are removed while
// unregistering each tool.
removeTopLevelItems(doc);
};