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| 1 // Copyright 2017 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 IOS_WEB_VIEW_PUBLIC_CWV_SCROLL_VIEW_DELEGATE_H_ |
| 6 #define IOS_WEB_VIEW_PUBLIC_CWV_SCROLL_VIEW_DELEGATE_H_ |
| 7 |
| 8 #import <CoreGraphics/CoreGraphics.h> |
| 9 |
| 10 @class CWVScrollView; |
| 11 |
| 12 // Delegete for CWVScrollView. Has subset of methods of |
| 13 // UIScrollViewDelegate. See the document of |
| 14 // UIScrollViewDelegate for the document of each method. |
| 15 CWV_EXPORT |
| 16 @protocol CWVScrollViewDelegate<NSObject> |
| 17 @optional |
| 18 - (void)scrollViewWillBeginDragging:(CWVScrollView*)scrollView; |
| 19 - (void)scrollViewWillEndDragging:(CWVScrollView*)scrollView |
| 20 withVelocity:(CGPoint)velocity |
| 21 targetContentOffset:(inout CGPoint*)targetContentOffset; |
| 22 - (void)scrollViewDidScroll:(CWVScrollView*)scrollView; |
| 23 - (void)scrollViewDidEndDecelerating:(CWVScrollView*)scrollView; |
| 24 @end |
| 25 |
| 26 #endif // IOS_WEB_VIEW_PUBLIC_CWV_SCROLL_VIEW_DELEGATE_H_ |
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