// Copyright (c) 2013 The Chromium Embedded Framework Authors.
// Portions copyright (c) 2010 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 "cefsimple/simple_app.h"
#include "cefsimple/simple_handler.h"
#include "cefsimple/util.h"
#include "include/cef_application_mac.h"

// Provide the CefAppProtocol implementation required by CEF.
@interface SimpleApplication : NSApplication<CefAppProtocol> {
@private
  BOOL handlingSendEvent_;
}
@end

@implementation SimpleApplication
- (BOOL)isHandlingSendEvent {
  return handlingSendEvent_;
}

- (void)setHandlingSendEvent:(BOOL)handlingSendEvent {
  handlingSendEvent_ = handlingSendEvent;
}

- (void)sendEvent:(NSEvent*)event {
  CefScopedSendingEvent sendingEventScoper;
  [super sendEvent:event];
}
@end


// Receives notifications from the application.
@interface SimpleAppDelegate : NSObject
- (void)createApp:(id)object;
@end

@implementation SimpleAppDelegate

// Create the application on the UI thread.
- (void)createApp:(id)object {
  [NSApplication sharedApplication];
  [NSBundle loadNibNamed:@"MainMenu" owner:NSApp];

  // Set the delegate for application events.
  [NSApp setDelegate:self];
}

// Called when the application's Quit menu item is selected.
- (NSApplicationTerminateReply)applicationShouldTerminate:
      (NSApplication *)sender {
  // Request that all browser windows close.
  if (SimpleHandler* handler = SimpleHandler::GetInstance())
    handler->CloseAllBrowsers(false);

  // Cancel the termination. The application will exit after all windows have
  // closed.
  return NSTerminateCancel;
}

// Sent immediately before the application terminates. This signal should not
// be called because we cancel the termination.
- (void)applicationWillTerminate:(NSNotification *)aNotification {
  ASSERT(false);  // Not reached.
}

@end


// Entry point function for the browser process.
int main(int argc, char* argv[]) {
  // Provide CEF with command-line arguments.
  CefMainArgs main_args(argc, argv);

  // SimpleApp implements application-level callbacks. It will create the first
  // browser instance in OnContextInitialized() after CEF has initialized.
  CefRefPtr<SimpleApp> app(new SimpleApp);

  // Initialize the AutoRelease pool.
  NSAutoreleasePool* autopool = [[NSAutoreleasePool alloc] init];

  // Initialize the SimpleApplication instance.
  [SimpleApplication sharedApplication];

  // Specify CEF global settings here.
  CefSettings settings;

  // Initialize CEF for the browser process.
  CefInitialize(main_args, settings, app.get(), NULL);
  
  // Create the application delegate.
  NSObject* delegate = [[SimpleAppDelegate alloc] init];
  [delegate performSelectorOnMainThread:@selector(createApp:) withObject:nil
                          waitUntilDone:NO];

  // Run the CEF message loop. This will block until CefQuitMessageLoop() is
  // called.
  CefRunMessageLoop();

  // Shut down CEF.
  CefShutdown();

  // Release the delegate.
  [delegate release];

  // Release the AutoRelease pool.
  [autopool release];

  return 0;
}