зеркало из https://github.com/mozilla/gecko-dev.git
214 строки
5.8 KiB
JavaScript
214 строки
5.8 KiB
JavaScript
/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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/* All top-level definitions here are exports. */
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/* eslint no-unused-vars: [2, {"vars": "local"}] */
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const PROPERTIES_URL = "chrome://devtools/locale/styleeditor.properties";
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import { loader } from "resource://devtools/shared/loader/Loader.sys.mjs";
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const gStringBundle = Services.strings.createBundle(PROPERTIES_URL);
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const lazy = {};
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loader.lazyRequireGetter(
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lazy,
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"Menu",
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"resource://devtools/client/framework/menu.js"
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);
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loader.lazyRequireGetter(
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lazy,
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"MenuItem",
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"resource://devtools/client/framework/menu-item.js"
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);
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const PREF_AT_RULES_SIDEBAR = "devtools.styleeditor.showAtRulesSidebar";
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const PREF_ORIG_SOURCES = "devtools.source-map.client-service.enabled";
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/**
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* Returns a localized string with the given key name from the string bundle.
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*
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* @param name
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* @param ...rest
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* Optional arguments to format in the string.
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* @return string
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*/
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export function getString(name) {
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try {
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if (arguments.length == 1) {
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return gStringBundle.GetStringFromName(name);
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}
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const rest = Array.prototype.slice.call(arguments, 1);
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return gStringBundle.formatStringFromName(name, rest);
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} catch (ex) {
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console.error(ex);
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throw new Error(
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"L10N error. '" + name + "' is missing from " + PROPERTIES_URL
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);
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}
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}
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/**
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* Assert an expression is true or throw if false.
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*
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* @param expression
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* @param message
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* Optional message.
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* @return expression
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*/
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export function assert(expression, message) {
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if (!expression) {
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const msg = message ? "ASSERTION FAILURE:" + message : "ASSERTION FAILURE";
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log(msg);
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throw new Error(msg);
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}
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return expression;
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}
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/**
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* Retrieve or set the text content of an element.
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*
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* @param DOMElement root
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* The element to use for querySelector.
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* @param string selector
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* Selector string for the element to get/set the text content.
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* @param string textContent
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* Optional text to set.
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* @return string
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* Text content of matching element or null if there were no element
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* matching selector.
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*/
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export function text(root, selector, textContent) {
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const element = root.querySelector(selector);
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if (!element) {
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return null;
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}
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if (textContent === undefined) {
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return element.textContent;
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}
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element.textContent = textContent;
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return textContent;
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}
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/**
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* Log a message to the console.
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*
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* @param ...rest
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* One or multiple arguments to log.
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* If multiple arguments are given, they will be joined by " "
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* in the log.
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*/
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export function log() {
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console.logStringMessage(Array.prototype.slice.call(arguments).join(" "));
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}
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/**
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* Show file picker and return the file user selected.
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*
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* @param mixed file
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* Optional nsIFile or string representing the filename to auto-select.
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* @param boolean toSave
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* If true, the user is selecting a filename to save.
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* @param nsIWindow parentWindow
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* Optional parent window. If null the parent window of the file picker
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* will be the window of the attached input element.
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* @param callback
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* The callback method, which will be called passing in the selected
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* file or null if the user did not pick one.
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* @param AString suggestedFilename
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* The suggested filename when toSave is true.
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*/
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export function showFilePicker(
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path,
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toSave,
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parentWindow,
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callback,
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suggestedFilename
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) {
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if (typeof path == "string") {
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try {
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if (Services.io.extractScheme(path) == "file") {
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const uri = Services.io.newURI(path);
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const file = uri.QueryInterface(Ci.nsIFileURL).file;
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callback(file);
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return;
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}
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} catch (ex) {
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callback(null);
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return;
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}
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try {
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const file = Cc["@mozilla.org/file/local;1"].createInstance(Ci.nsIFile);
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file.initWithPath(path);
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callback(file);
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return;
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} catch (ex) {
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callback(null);
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return;
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}
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}
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if (path) {
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// "path" is an nsIFile
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callback(path);
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return;
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}
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const fp = Cc["@mozilla.org/filepicker;1"].createInstance(Ci.nsIFilePicker);
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const mode = toSave ? fp.modeSave : fp.modeOpen;
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const key = toSave ? "saveStyleSheet" : "importStyleSheet";
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const fpCallback = function (result) {
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if (result == Ci.nsIFilePicker.returnCancel) {
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callback(null);
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} else {
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callback(fp.file);
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}
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};
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if (toSave && suggestedFilename) {
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fp.defaultString = suggestedFilename;
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}
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fp.init(parentWindow, getString(key + ".title"), mode);
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fp.appendFilter(getString(key + ".filter"), "*.css");
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fp.appendFilters(fp.filterAll);
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fp.open(fpCallback);
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}
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/**
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* Returns a Popup Menu for the Options ("gear") Button
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* @param {function} toggleOrigSources
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* To toggle the original source pref
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* @param {function} toggleAtRulesSidebar
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* To toggle the pref to show at-rules side bar
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* @return {object} popupMenu
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* A Menu object holding the MenuItems
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*/
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export function optionsPopupMenu(toggleOrigSources, toggleAtRulesSidebar) {
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const popupMenu = new lazy.Menu();
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popupMenu.append(
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new lazy.MenuItem({
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id: "options-origsources",
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label: getString("showOriginalSources.label"),
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accesskey: getString("showOriginalSources.accesskey"),
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type: "checkbox",
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checked: Services.prefs.getBoolPref(PREF_ORIG_SOURCES),
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click: () => toggleOrigSources(),
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})
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);
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popupMenu.append(
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new lazy.MenuItem({
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id: "options-show-at-rules",
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label: getString("showAtRulesSidebar.label"),
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accesskey: getString("showAtRulesSidebar.accesskey"),
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type: "checkbox",
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checked: Services.prefs.getBoolPref(PREF_AT_RULES_SIDEBAR),
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click: () => toggleAtRulesSidebar(),
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})
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);
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return popupMenu;
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}
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