Refactor ChannelList to ConversationGallery - Moved to view package, added javadoc and licence header

This commit is contained in:
Sebastian Kaspari 2011-03-06 11:21:28 +01:00
parent f4637ac582
commit 7845ad73f0
2 changed files with 60 additions and 25 deletions

View File

@ -1,25 +0,0 @@
package org.yaaic.model;
import android.content.Context;
import android.util.AttributeSet;
import android.view.MotionEvent;
import android.widget.Gallery;
public class ChannelList extends Gallery
{
public ChannelList(Context context, AttributeSet attrs)
{
super(context, attrs);
}
@Override
public boolean onFling (MotionEvent e1, MotionEvent e2, float velocityX, float velocityY)
{
/* Reduce sensitivity based on f(x) = x * 0.925^y with y = (|x/500| - 1)
* The goal is to reduce higher velocities stronger than low ones
* 500 is the base, i.e. it will not reduced. */
final float fexp = Math.abs(velocityX / 500.0f) - 1;
velocityX *= Math.pow(0.925, fexp);
return super.onFling(e1, e2, velocityX, velocityY);
}
}

View File

@ -0,0 +1,60 @@
/*
Yaaic - Yet Another Android IRC Client
Copyright 2009-2011 Sebastian Kaspari
This file is part of Yaaic.
Yaaic is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
Yaaic is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with Yaaic. If not, see <http://www.gnu.org/licenses/>.
*/
package org.yaaic.view;
import android.content.Context;
import android.util.AttributeSet;
import android.view.MotionEvent;
import android.widget.Gallery;
/**
* Conversation gallery for horizontal scrolling
*
* @author Thomas Martitz
*/
public class ConversationGallery extends Gallery
{
/**
* Create a new conversation gallery
*
* @param context
* @param attrs
*/
public ConversationGallery(Context context, AttributeSet attrs)
{
super(context, attrs);
}
/**
* On Fling: Reduce sensitivity of the channel gallery view
*/
@Override
public boolean onFling (MotionEvent e1, MotionEvent e2, float velocityX, float velocityY)
{
/* Reduce sensitivity based on f(x) = x * 0.925^y with y = (|x/500| - 1)
* The goal is to reduce higher velocities stronger than low ones
* 500 is the base, i.e. it will not reduced. */
final float fexp = Math.abs(velocityX / 500.0f) - 1;
velocityX *= Math.pow(0.925, fexp);
return super.onFling(e1, e2, velocityX, velocityY);
}
}