Add a TabController class to manage a TabView (with corresponding xib). Rewri...

chrome/browser/cocoa/tab_controller.h

+// Copyright (c) 2009 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.
+
+#ifndef CHROME_BROWSER_COCOA_TAB_CONTROLLER_H_
+#define CHROME_BROWSER_COCOA_TAB_CONTROLLER_H_
+
+#import <Cocoa/Cocoa.h>
+
+@class TabView;
+
+// A class that manages a single tab in the tab strip. Set its target/action
+// to be sent a message when the tab is selected by the user clicking. Setting
+// the |loading| property to YES visually indicates that this tab is currently
+// loading content via a spinner.
+
+@interface TabController : NSViewController {
+ @private
+  IBOutlet NSButton *backgroundButton_;
+  IBOutlet NSButton *closeButton_;
+  IBOutlet NSProgressIndicator *progressIndicator_;
+  BOOL selected_;
+  BOOL loading_;
+  NSImage *image_;
+  id target_;  // weak, where actions are sent, eg selectTab:
+  SEL action_;  // selector sent when tab is seleted by clicking
+}
+
+@property(retain, nonatomic) NSImage *image;
+@property(assign, nonatomic) BOOL selected;
+@property(assign, nonatomic) BOOL loading;
+@property(assign, nonatomic) id target;
+@property(assign, nonatomic) SEL action;
+
+// Minimum and maximum allowable tab width.
++ (float)minTabWidth;
++ (float)maxTabWidth;
+
+// The view associated with this controller, pre-casted as a TabView
+- (TabView *)tabView;
+
+@end
+
+#endif  // CHROME_BROWSER_COCOA_TAB_CONTROLLER_H_