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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim:expandtab:shiftwidth=2:tabstop=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 */
#import <Cocoa/Cocoa.h>
#import <CoreServices/CoreServices.h>
#include "MacAutoreleasePool.h"
#include "nsCOMPtr.h"
#include "nsIComponentManager.h"
#include "nsIServiceManager.h"
#include "nsIWindowMediator.h"
#include "nsIWidget.h"
#include "nsICommandLineRunner.h"
#include "nsICommandLine.h"
#include "nsCommandLine.h"
#include "nsIDocShell.h"
#include "nsMacRemoteServer.h"
#include "nsXPCOM.h"
#include "RemoteUtils.h"
CFDataRef messageServerCallback(CFMessagePortRef aLocal, int32_t aMsgid,
CFDataRef aData, void* aInfo) {
// One of the clients submitted a structure.
return NULL;
// aData contains serialized Dictionary, which in turn contains command line
// arguments
void nsMacRemoteServer::HandleCommandLine(CFDataRef aData) {
mozilla::MacAutoreleasePool pool;
if (aData) {
NSDictionary* dict =
[NSKeyedUnarchiver unarchiveObjectWithData:(NSData*)aData];
if (dict && [dict isKindOfClass:[NSDictionary class]]) {
NSArray* args = dict[@"args"];
if (!args) {
NS_ERROR("Wrong parameters passed to the Remote Server");
nsCOMPtr<nsICommandLineRunner> cmdLine(new nsCommandLine());
// Converting Objective-C array into a C array,
// which nsICommandLineRunner understands.
int argc = [args count];
const char** argv = new const char*[argc];
for (int i = 0; i < argc; i++) {
const char* arg = [[args objectAtIndex:i] UTF8String];
argv[i] = arg;
nsresult rv =
cmdLine->Init(argc, argv, nullptr, nsICommandLine::STATE_REMOTE_AUTO);
// Cleaning up C array.
delete[] argv;
if (NS_FAILED(rv)) {
NS_ERROR("Error initializing command line.");
// Processing the command line, passed from a remote instance
// in the current instance.
// And bring the app's window to front.
[[NSRunningApplication currentApplication]
nsresult nsMacRemoteServer::Startup(const char* aAppName,
const char* aProfileName) {
// This is the first instance ever.
// Let's register a notification listener here,
// In case future instances would want to notify us about command line
// arguments passed to them. Note, that if mozilla process is restarting, we
// still need to register for notifications.
mozilla::MacAutoreleasePool pool;
nsString className;
BuildClassName(aAppName, aProfileName, className);
NSString* serverNameString = [NSString
stringWithCharacters:reinterpret_cast<const unichar*>(className.get())
CFMessagePortContext context;
context.copyDescription = NULL; = this;
context.release = NULL;
context.retain = NULL;
context.version = NULL;
mMessageServer =
CFMessagePortCreateLocal(NULL, (CFStringRef)serverNameString,
messageServerCallback, &context, NULL);
if (!mMessageServer) {
mRunLoopSource = CFMessagePortCreateRunLoopSource(NULL, mMessageServer, 0);
if (!mRunLoopSource) {
mMessageServer = NULL;
CFRunLoopRef runLoop = CFRunLoopGetMain();
CFRunLoopAddSource(runLoop, mRunLoopSource, kCFRunLoopDefaultMode);
return NS_OK;
void nsMacRemoteServer::Shutdown() {
// 1) Invalidate server connection
if (mMessageServer) {
// 2) Release run loop source
if (mRunLoopSource) {
mRunLoopSource = NULL;
// 3) Release server connection
if (mMessageServer) {
mMessageServer = NULL;