blob: 7a0e156660cd0d62dbc17f439b89af72f9c61631 [file] [log] [blame]
// Copyright (c) 2011 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>
#import "ui/base/cocoa/tracking_area.h"
#import "ui/base/ui_base_export.h"
// A button that changes when you hover over it and click it.
@interface HoverButton : NSButton {
// Enumeration of the hover states that the close button can be in at any one
// time. The button cannot be in more than one hover state at a time.
enum HoverState {
kHoverStateNone = 0,
kHoverStateMouseOver = 1,
kHoverStateMouseDown = 2
HoverState hoverState_;
// Tracking area for button mouseover states. Nil if not enabled.
ui::ScopedCrTrackingArea trackingArea_;
@property(nonatomic) HoverState hoverState;
// Enables or disables the tracking for the button.
- (void)setTrackingEnabled:(BOOL)enabled;
// Checks to see whether the mouse is in the button's bounds and update
// the image in case it gets out of sync. This occurs to the close button
// when you close a tab so the tab to the left of it takes its place, and
// drag the button without moving the mouse before you press the button down.
- (void)checkImageState;