| // Copyright (c) 2012 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_VIEW_RESIZER_H_ |
| #define CHROME_BROWSER_UI_COCOA_VIEW_RESIZER_H_ |
| |
| #import <Foundation/Foundation.h> |
| |
| @class NSView; |
| |
| // Defines a protocol that allows controllers to delegate resizing their views |
| // to their parents. When a controller needs to change a view's height, rather |
| // than resizing it directly, it sends a message to its parent asking the parent |
| // to perform the resize. This allows the parent to do any re-layout that may |
| // become necessary due to the resize. |
| @protocol ViewResizer <NSObject> |
| - (void)resizeView:(NSView*)view newHeight:(CGFloat)height; |
| |
| @optional |
| // Optional method called when an animation is beginning or ending. Resize |
| // delegates can implement this method if they need to modify their behavior |
| // while an animation is running. |
| - (void)setAnimationInProgress:(BOOL)inProgress; |
| @end |
| |
| #endif // CHROME_BROWSER_UI_COCOA_VIEW_RESIZER_H_ |
