Foxit PDF SDK  9.1
<IScrollViewEventListener> Protocol Reference

The event listener for scroll view, which is the container of page views. More...

Inheritance diagram for <IScrollViewEventListener>:

Instance Methods

(void) - onScrollViewDidEndDecelerating:
 Triggered when called when scroll view grinds to a halt. More...
 
(void) - onScrollViewDidEndDragging:willDecelerate:
 Triggered when called on finger up if the user dragged. More...
 
(void) - onScrollViewDidEndZooming:
 Triggered when scale between minimum and maximum. called after any "bounce" animations. More...
 
(void) - onScrollViewDidScroll:
 Triggered when any offset changes. More...
 
(void) - onScrollViewDidZoom:
 Triggered when any zoom scale changes. More...
 
(void) - onScrollViewWillBeginDecelerating:
 Triggered when called on finger up as we are moving. More...
 
(void) - onScrollViewWillBeginDragging:
 Triggered when called on start of dragging (may require some time or distance to move). More...
 
(void) - onScrollViewWillBeginZooming:
 Triggered when called before the scroll view begins zooming its content. More...
 

Detailed Description

The event listener for scroll view, which is the container of page views.

Method Documentation

◆ onScrollViewDidEndDecelerating:

- (void) onScrollViewDidEndDecelerating: (UIScrollView *)  scrollView
optional

Triggered when called when scroll view grinds to a halt.

Parameters
[in]scrollViewThe scroll view that displays PDF pages.

◆ onScrollViewDidEndDragging:willDecelerate:

- (void) onScrollViewDidEndDragging: (UIScrollView *)  scrollView
willDecelerate: (BOOL)  decelerate 
optional

Triggered when called on finger up if the user dragged.

Parameters
[in]scrollViewThe scroll view that displays PDF pages.
[in]decelerateYES means it will continue moving afterwards, while NO means not.

◆ onScrollViewDidEndZooming:

- (void) onScrollViewDidEndZooming: (UIScrollView *)  scrollView
optional

Triggered when scale between minimum and maximum. called after any "bounce" animations.

Parameters
[in]scrollViewThe scroll view that displays PDF pages.

◆ onScrollViewDidScroll:

- (void) onScrollViewDidScroll: (UIScrollView *)  scrollView
optional

Triggered when any offset changes.

Parameters
[in]scrollViewThe scroll view that displays PDF pages.

◆ onScrollViewDidZoom:

- (void) onScrollViewDidZoom: (UIScrollView *)  scrollView
optional

Triggered when any zoom scale changes.

Parameters
[in]scrollViewThe scroll view that displays PDF pages.

◆ onScrollViewWillBeginDecelerating:

- (void) onScrollViewWillBeginDecelerating: (UIScrollView *)  scrollView
optional

Triggered when called on finger up as we are moving.

Parameters
[in]scrollViewThe scroll view that displays PDF pages.

◆ onScrollViewWillBeginDragging:

- (void) onScrollViewWillBeginDragging: (UIScrollView *)  scrollView
optional

Triggered when called on start of dragging (may require some time or distance to move).

Parameters
[in]scrollViewThe scroll view that displays PDF pages.

◆ onScrollViewWillBeginZooming:

- (void) onScrollViewWillBeginZooming: (UIScrollView *)  scrollView
optional

Triggered when called before the scroll view begins zooming its content.

Parameters
[in]scrollViewThe scroll view that displays PDF pages.