1 // Copyright (c) 2009 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 #pragma once 8 9 #include "chrome/browser/tabs/tab_strip_model.h" 10 11 #import <Cocoa/Cocoa.h> 12 13 // Defines a protocol that allows controllers to delegate resizing their views 14 // to their parents. When a controller needs to change a view's height, rather 15 // than resizing it directly, it sends a message to its parent asking the parent 16 // to perform the resize. This allows the parent to do any re-layout that may 17 // become necessary due to the resize. 18 @protocol ViewResizer <NSObject> 19 - (void)resizeView:(NSView*)view newHeight:(CGFloat)height; 20 21 @optional 22 // Optional method called when an animation is beginning or ending. Resize 23 // delegates can implement this method if they need to modify their behavior 24 // while an animation is running. 25 - (void)setAnimationInProgress:(BOOL)inProgress; 26 @end 27 28 #endif // CHROME_BROWSER_UI_COCOA_VIEW_RESIZER_H_ 29