gecko-dev/toolkit/components/DefaultCLH.jsm

118 строки
3.2 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 { Services } = ChromeUtils.import("resource://gre/modules/Services.jsm");
const nsICommandLineHandler = Ci.nsICommandLineHandler;
const nsIPrefBranch = Ci.nsIPrefBranch;
const nsIWindowWatcher = Ci.nsIWindowWatcher;
const nsIProperties = Ci.nsIProperties;
const nsIFile = Ci.nsIFile;
const nsISimpleEnumerator = Ci.nsISimpleEnumerator;
/**
* This file provides a generic default command-line handler.
*
* It opens the chrome window specified by the pref "toolkit.defaultChromeURI"
* with the flags specified by the pref "toolkit.defaultChromeFeatures"
* or "chrome,dialog=no,all" is it is not available.
* The arguments passed to the window are the nsICommandLine instance.
*
* It doesn't do anything if the pref "toolkit.defaultChromeURI" is unset.
*/
function getDirectoryService() {
return Cc["@mozilla.org/file/directory_service;1"].getService(nsIProperties);
}
function nsDefaultCLH() {}
nsDefaultCLH.prototype = {
classID: Components.ID("{6ebc941a-f2ff-4d56-b3b6-f7d0b9d73344}"),
/* nsISupports */
QueryInterface: ChromeUtils.generateQI([nsICommandLineHandler]),
/* nsICommandLineHandler */
handle: function clh_handle(cmdLine) {
var printDir;
while ((printDir = cmdLine.handleFlagWithParam("print-xpcom-dir", false))) {
var out = 'print-xpcom-dir("' + printDir + '"): ';
try {
out += getDirectoryService().get(printDir, nsIFile).path;
} catch (e) {
out += "<Not Provided>";
}
dump(out + "\n");
Cu.reportError(out);
}
var printDirList;
while (
(printDirList = cmdLine.handleFlagWithParam("print-xpcom-dirlist", false))
) {
out = 'print-xpcom-dirlist("' + printDirList + '"): ';
try {
for (let file of getDirectoryService().get(
printDirList,
nsISimpleEnumerator
)) {
out += file.path + ";";
}
} catch (e) {
out += "<Not Provided>";
}
dump(out + "\n");
Cu.reportError(out);
}
if (cmdLine.handleFlag("silent", false)) {
cmdLine.preventDefault = true;
}
if (cmdLine.preventDefault) {
return;
}
var prefs = Cc["@mozilla.org/preferences-service;1"].getService(
nsIPrefBranch
);
try {
var singletonWindowType = prefs.getCharPref(
"toolkit.singletonWindowType"
);
var win = Services.wm.getMostRecentWindow(singletonWindowType);
if (win) {
win.focus();
cmdLine.preventDefault = true;
return;
}
} catch (e) {}
// if the pref is missing, ignore the exception
try {
var chromeURI = prefs.getCharPref("toolkit.defaultChromeURI");
var flags = prefs.getCharPref(
"toolkit.defaultChromeFeatures",
"chrome,dialog=no,all"
);
var wwatch = Cc["@mozilla.org/embedcomp/window-watcher;1"].getService(
nsIWindowWatcher
);
wwatch.openWindow(null, chromeURI, "_blank", flags, cmdLine);
} catch (e) {}
},
helpInfo: "",
};
var EXPORTED_SYMBOLS = ["nsDefaultCLH"];