chrome/browser/ui/cocoa/toolbar/reload_button.h

// 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.

#ifndef CHROME_BROWSER_UI_COCOA_TOOLBAR_RELOAD_BUTTON_H_
#define CHROME_BROWSER_UI_COCOA_TOOLBAR_RELOAD_BUTTON_H_

#import <Cocoa/Cocoa.h>

#import "chrome/browser/ui/cocoa/image_button_cell.h"
#import "chrome/browser/ui/cocoa/toolbar/toolbar_button.h"

// ToolbarButton subclass which defers certain state changes when the mouse
// is hovering over it.

@interface ReloadButton : ToolbarButton<ImageButton> {
 @private
  // Timer used when setting reload mode while the mouse is hovered.
  NSTimer* pendingReloadTimer_;
}

// Update the tag, and the image and tooltip to match.  If |anInt|
// matches the current tag, no action is taken.  |anInt| must be
// either |IDC_STOP| or |IDC_RELOAD|.
- (void)updateTag:(NSInteger)anInt;

// Update the button to be a reload button or stop button depending on
// |isLoading|.  If |force|, always sets the indicated mode.  If
// |!force|, and the mouse is over the button, defer the transition
// from stop button to reload button until the mouse has left the
// button, or until |pendingReloadTimer_| fires.  This prevents an
// inadvertent click _just_ as the state changes.
- (void)setIsLoading:(BOOL)isLoading force:(BOOL)force;

@end

#endif  // CHROME_BROWSER_UI_COCOA_TOOLBAR_RELOAD_BUTTON_H_