chrome/browser/ui/cocoa/view_resizer.h

   1 // Copyright (c) 2012 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_VIEW_RESIZER_H_
   6 #define CHROME_BROWSER_UI_COCOA_VIEW_RESIZER_H_
   7
   8 #include "chrome/browser/ui/tabs/tab_strip_model.h"
   9
  10 #import <Cocoa/Cocoa.h>
  11
  12 // Defines a protocol that allows controllers to delegate resizing their views
  13 // to their parents.  When a controller needs to change a view's height, rather
  14 // than resizing it directly, it sends a message to its parent asking the parent
  15 // to perform the resize.  This allows the parent to do any re-layout that may
  16 // become necessary due to the resize.
  17 @protocol ViewResizer <NSObject>
  18 - (void)resizeView:(NSView*)view newHeight:(CGFloat)height;
  19
  20 @optional
  21 // Optional method called when an animation is beginning or ending.  Resize
  22 // delegates can implement this method if they need to modify their behavior
  23 // while an animation is running.
  24 - (void)setAnimationInProgress:(BOOL)inProgress;
  25 @end
  26
  27 #endif  // CHROME_BROWSER_UI_COCOA_VIEW_RESIZER_H_