The First Scroll To Refresh solution using only AppKit and Public APIs!
Introduction
ScrollToRefresh is a subclass of NSScrollView that adds a "pull-to-refresh" feel to the "elastic" area of NSScrollview.
Usage
- Set the class of your scroll view to
EQSTRScrollView - Set the
-refreshBlockof your scroll view to a block to run some code when the refresh starts. - When you know that your processing is finished, call
-stopLoadingon the scroll view to remove the refresh view. - PROFIT
How it works
The secret is actually knowing how scroll views work. When you scroll, the clip view offsets the origin of its -bounds so any subview within the clipview will scroll. It also employs a couple of other methods to check the boundaries of the document view which I override to include the refresh view to get a more natural feel.
License
ScrollToRefresh is licensed under the MIT license meaning you can do whatever you want with it and I am not responsible for any trouble you get and you must include the license in whatever you use it in.
// ScrollToRefresh
//
// Copyright (C) 2011 by Alex Zielenski.
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
// THE SOFTWARE.