gecko-dev/devtools/client/webide/modules/utils.js

74 строки
2.3 KiB
JavaScript

/* 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 { Cc, Cu, Ci } = require("chrome");
const { FileUtils } = Cu.import("resource://gre/modules/FileUtils.jsm", {});
const Services = require("Services");
const Strings = Services.strings.createBundle("chrome://devtools/locale/webide.properties");
function doesFileExist(location) {
let file = new FileUtils.File(location);
return file.exists();
}
exports.doesFileExist = doesFileExist;
function _getFile(location, ...pickerParams) {
if (location) {
return Promise.resolve(new FileUtils.File(location));
}
let fp = Cc["@mozilla.org/filepicker;1"].createInstance(Ci.nsIFilePicker);
fp.init(...pickerParams);
return new Promise(resolve => {
fp.open(res => {
if (res == Ci.nsIFilePicker.returnCancel) {
resolve(null);
} else {
resolve(fp.file);
}
});
});
}
function getCustomBinary(window, location) {
return _getFile(location, window, Strings.GetStringFromName("selectCustomBinary_title"), Ci.nsIFilePicker.modeOpen);
}
exports.getCustomBinary = getCustomBinary;
function getCustomProfile(window, location) {
return _getFile(location, window, Strings.GetStringFromName("selectCustomProfile_title"), Ci.nsIFilePicker.modeGetFolder);
}
exports.getCustomProfile = getCustomProfile;
function getPackagedDirectory(window, location) {
return _getFile(location, window, Strings.GetStringFromName("importPackagedApp_title"), Ci.nsIFilePicker.modeGetFolder);
}
exports.getPackagedDirectory = getPackagedDirectory;
function getHostedURL(window, location) {
let ret = { value: null };
if (!location) {
Services.prompt.prompt(window,
Strings.GetStringFromName("importHostedApp_title"),
Strings.GetStringFromName("importHostedApp_header"),
ret, null, {});
location = ret.value;
}
if (!location) {
return null;
}
// Clean location string and add "http://" if missing
location = location.trim();
try { // Will fail if no scheme
Services.io.extractScheme(location);
} catch (e) {
location = "http://" + location;
}
return location;
}
exports.getHostedURL = getHostedURL;