Mac Forum / Programming / Mac Programming / December 2006

I'm pretty sure the "webkit" sdk will do what you need:

http://developer.apple.com/opensource/internet/webkit.html

Hope that helps.

Jolly

I tested the following recipe:

To write a Cocoa program to display a web page (in this example, it is
http://www.apple.com, but it could be anything.)

1.) In XCode: Make a new Cocoa Project

2.) In Finder: Open the folder /System/Library/Frameworks and drag the
WebKit.framework into the Frameworks folder icon of your Xcode project
window.

3.) In XCode: Double-click on MainMenu.nib to launch it in Interface
builder.

4.) in Interface Builder: In the Classes tab of MainMenu.nib right click
on NSObject. Subclass it to make the class AppDelegate

5.) Right Click on AppDelegate to add an outlet named: webView of type
WebView to AppDelegate.

6.) Right Click on AppDelegate to instantiate the class.

7.) Right Click on AppDelegate to create files.

8.) in Interface Builder: In the Instances tab of MainMenu.nib,
  * Double click on "Window" to open it.
  * Drag a WebView object from "Graphic Views" tab of the Cocoa
Palettes window to "Window". resize it to fill the window. In
Inspector's Size tab, set the size of the Web view to the full size of
the window, and turn on the inner springs both horizontal and vertical.

9.) next, Control-Drag from AppDelegate to the webView, and connect it
as the webView outlet of the AppDelegate.

10.) in Interface Builder: In the Instances tab of MainMenu.nib,
Control-Drag from File's Owner to AppDelegate, to set it as the delegate.

With practice, you'll be able to do the above 10 steps faster than you
can read them.

Now we're ready to write some code.  Add one line to AppDelegate.h to
make it look like this:
/* AppDelegate */

#import <Cocoa/Cocoa.h>
@class WebView;   // <-- add this line.
@interface AppDelegate : NSObject {
   IBOutlet WebView *webView_;
}
@end

and make AppDelegate.m look like this:
#import "AppDelegate.h"

#import <WebKit/WebView.h>
#import <WebKit/WebFrame.h>

@implementation AppDelegate
- (void)awakeFromNib {
 WebFrame *mainFrame = [webView_ mainFrame];
 NSURL *url = [NSURL URLWithString:@"http://www.apple.com"];
 NSURLRequest *request = [NSURLRequest requestWithURL:url];
 [mainFrame loadRequest:request];
}

@end

That's all. You are done. You can run it, and it will fetch the web page
from the web and display it in the view.

How did I learn to do this? I read the comments in WebKit/WebView.h and
the rest was obvious, if you've worked through the book: "Cooca
Programming for Mac OS X" by Aaron Hillegas (Second Edition.)

Once you've got the page, if you can't edit the original HTML on the
original website, is to implement WebFrameLoadDelegate, and when the
page is loaded use some of the DOMElement calls to edit the DOM
(Document Object Model) to add some buttons that will call back into
your Cocoa.

As you see. Just a few lines of code.