sky/shell/mac/main_mac.mm

// Copyright 2015 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#import <Cocoa/Cocoa.h>
#include <iostream>
#include "base/bind.h"
#include "base/command_line.h"
#include "base/message_loop/message_loop.h"
#include "sky/shell/mac/platform_mac.h"
#include "sky/shell/mac/sky_application.h"
#include "sky/shell/switches.h"
#include "sky/shell/testing/testing.h"

namespace sky {
namespace shell {
namespace {

void AttachMessageLoopToMainRunLoop(void) {
  // We want to call Run() on the MessageLoopForUI but after NSApplicationMain.
  // If called before this point, the call is blocking and will prevent the
  // NSApplicationMain invocation.
  dispatch_async(dispatch_get_main_queue(), ^() {
    base::MessageLoopForUI::current()->Run();
  });
}

}  // namespace
}  // namespace shell
}  // namespace sky

int main(int argc, const char* argv[]) {
  [SkyApplication sharedApplication];

  return PlatformMacMain(argc, argv, ^() {
    base::CommandLine& command_line = *base::CommandLine::ForCurrentProcess();
    if (command_line.HasSwitch(sky::shell::switches::kHelp)) {
      sky::shell::switches::PrintUsage("SkyShell");
      return EXIT_SUCCESS;
    }

    if (command_line.HasSwitch(sky::shell::switches::kNonInteractive)) {
      auto loop = base::MessageLoop::current();
      loop->PostTask(FROM_HERE, base::Bind(&sky::shell::InitForTesting));
      loop->Run();
      return EXIT_SUCCESS;
    }

    sky::shell::AttachMessageLoopToMainRunLoop();
    return NSApplicationMain(argc, argv);
  });
}