12a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)// Copyright 2013 The Chromium Authors. All rights reserved. 22a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)// Use of this source code is governed by a BSD-style license that can be 32a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)// found in the LICENSE file. 42a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 52a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)#ifndef UI_APP_LIST_COCOA_SCROLL_VIEW_WITH_NO_SCROLLBARS_H_ 62a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)#define UI_APP_LIST_COCOA_SCROLL_VIEW_WITH_NO_SCROLLBARS_H_ 72a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 82a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)#include <Cocoa/Cocoa.h> 92a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 102a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)// Delegate to notify when a user interaction to scroll completes. 112a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)@protocol GestureScrollDelegate 122a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 132a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)// Called when a scroll gesture is observed, or when it completes. 142a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)- (void)userScrolling:(BOOL)isScrolling; 152a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 162a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)@end 172a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 182a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)// NSScrollView has a quirk when created programatically that causes gesture 192a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)// scrolling to fail if it does not have a scroll bar. This provides a scroll 202a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)// view using custom scrollers that are not visible. 212a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)@interface ScrollViewWithNoScrollbars : NSScrollView { 222a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) @private 232a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) id<GestureScrollDelegate> delegate_; 242a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)} 252a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 262a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)@property(assign, nonatomic) id<GestureScrollDelegate> delegate; 272a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 282a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)@end 292a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 302a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)#endif // UI_APP_LIST_COCOA_SCROLL_VIEW_WITH_NO_SCROLLBARS_H_ 31