ios/web/public/web_state/ui/crw_content_view.h

   1 // Copyright 2015 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_PUBLIC_WEB_STATE_UI_CRW_CONTENT_VIEW_H_
   6 #define IOS_WEB_PUBLIC_WEB_STATE_UI_CRW_CONTENT_VIEW_H_
   7
   8 #import <UIKit/UIKit.h>
   9
  10 // UIViews conforming to CRWScrollableContent (i.e. CRWContentViews) are used
  11 // to display content within a WebState.
  12 @protocol CRWScrollableContent<NSObject>
  13
  14 // The scroll view used to display the content.  If |scrollView| is non-nil,
  15 // it will be used to back the CRWContentViewScrollViewProxy and is expected to
  16 // be a subview of the CRWContentView.
  17 @property(nonatomic, retain, readonly) UIScrollView* scrollView;
  18
  19 // Returns YES if content is being displayed in the scroll view.
  20 // TODO(stuartmorgan): See if this can be removed from the public interface.
  21 - (BOOL)isViewAlive;
  22
  23 @end
  24
  25 // Convenience type for content views.
  26 typedef UIView<CRWScrollableContent> CRWContentView;
  27
  28 #endif  // IOS_WEB_PUBLIC_WEB_STATE_UI_CRW_CONTENT_VIEW_H_