ios/web/web_state/ui/crw_touch_tracking_recognizer.h

   1 // Copyright 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 IOS_WEB_WEB_STATE_UI_CRW_TOUCH_TRACKING_RECOGNIZER_H_
   6 #define IOS_WEB_WEB_STATE_UI_CRW_TOUCH_TRACKING_RECOGNIZER_H_
   7
   8 #import <UIKit/UIGestureRecognizerSubclass.h>
   9
  10 // Methods implemented by the delegate of the CRWTouchTrackingRecognizer.
  11 @protocol CRWTouchTrackingDelegate
  12
  13 // Called with YES when touches began, with NO when touches are ended or
  14 // cancelled.
  15 - (void)touched:(BOOL)touched;
  16
  17 @end
  18
  19 // UIGestureRecognizer subclass that informs delegate about touches using
  20 // simplified interface.
  21 @interface CRWTouchTrackingRecognizer : UIGestureRecognizer
  22
  23 // CRWTouchTrackingRecognizer delegate.
  24 @property(nonatomic, assign) id<CRWTouchTrackingDelegate> touchTrackingDelegate;
  25
  26 // Designated initializer for CRWTouchTrackingRecognizer.
  27 - (id)initWithDelegate:(id<CRWTouchTrackingDelegate>)delegate;
  28
  29 @end
  30
  31 #endif  // IOS_WEB_WEB_STATE_UI_CRW_TOUCH_TRACKING_RECOGNIZER_H_