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_ 28