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

   1 // Copyright (c) 2011 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #ifndef CHROME_BROWSER_UI_COCOA_TOOLBAR_RELOAD_BUTTON_H_
   6 #define CHROME_BROWSER_UI_COCOA_TOOLBAR_RELOAD_BUTTON_H_
   7
   8 #import <Cocoa/Cocoa.h>
   9
  10 #import "chrome/browser/ui/cocoa/image_button_cell.h"
  11 #import "chrome/browser/ui/cocoa/toolbar/toolbar_button.h"
  12
  13 // ToolbarButton subclass which defers certain state changes when the mouse
  14 // is hovering over it.
  15
  16 @interface ReloadButton : ToolbarButton<ImageButton> {
  17  @private
  18   // Timer used when setting reload mode while the mouse is hovered.
  19   NSTimer* pendingReloadTimer_;
  20 }
  21
  22 // Update the tag, and the image and tooltip to match.  If |anInt|
  23 // matches the current tag, no action is taken.  |anInt| must be
  24 // either |IDC_STOP| or |IDC_RELOAD|.
  25 - (void)updateTag:(NSInteger)anInt;
  26
  27 // Update the button to be a reload button or stop button depending on
  28 // |isLoading|.  If |force|, always sets the indicated mode.  If
  29 // |!force|, and the mouse is over the button, defer the transition
  30 // from stop button to reload button until the mouse has left the
  31 // button, or until |pendingReloadTimer_| fires.  This prevents an
  32 // inadvertent click _just_ as the state changes.
  33 - (void)setIsLoading:(BOOL)isLoading force:(BOOL)force;
  34
  35 @end
  36
  37 #endif  // CHROME_BROWSER_UI_COCOA_TOOLBAR_RELOAD_BUTTON_H_