Make tabOverlap dynamic depending on the number of non-mini tabs presented on...

chrome/browser/cocoa/tab_view.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_VIEW_H_
 #define CHROME_BROWSER_COCOA_TAB_VIEW_H_
 #pragma once
 
 #import <Cocoa/Cocoa.h>
 #include <ApplicationServices/ApplicationServices.h>
@@ skipping 88 matching lines @@
 @property(assign, nonatomic) NSCellStateValue state;
 @property(assign, nonatomic) CGFloat hoverAlpha;
 @property(assign, nonatomic) CGFloat alertAlpha;
 
 // Determines if the tab is in the process of animating closed. It may still
 // be visible on-screen, but should not respond to/initiate any events. Upon
 // setting to NO, clears the target/action of the close button to prevent
 // clicks inside it from sending messages.
 @property(assign, nonatomic, getter=isClosing) BOOL closing;
 
+// Return the state of the mouse if it's hovering on the tab
+- (BOOL)isMouseIn;
+
 // Enables/Disables tracking regions for the tab.
 - (void)setTrackingEnabled:(BOOL)enabled;
 
 // Begin showing an "alert" glow (shown to call attention to an unselected
 // pinned tab whose title changed).
 - (void)startAlert;
 
 // Stop showing the "alert" glow; this won't immediately wipe out any glow, but
 // will make it fade away.
 - (void)cancelAlert;
 
 @end
 
 // The TabController |controller_| is not the only owner of this view. If the
 // controller is released before this view, then we could be hanging onto a
 // garbage pointer. To prevent this, the TabController uses this interface to
 // clear the |controller_| pointer when it is dying.
 @interface TabView (TabControllerInterface)
 - (void)setController:(TabController*)controller;
 @end
 
 #endif  // CHROME_BROWSER_COCOA_TAB_VIEW_H_