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Document ControlButton and add missing license header

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This commit is contained in:
Christopher Eby 2010-04-25 23:37:07 -05:00
parent a9a8083e89
commit 80ebbafb6d
1 changed files with 30 additions and 0 deletions
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src/org/kreed/vanilla/ControlButton.java
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@ -1,3 +1,21 @@
/*
* Copyright (C) 2010 Christopher Eby <kreed@kreed.org>
*
* This file is part of Vanilla Music Player.
*
* Vanilla Music Player is free software; you can redistribute it and/or modify
* it under the terms of the GNU Library General Public License as published by
* the Free Software Foundation, either version 3 of the License, or (at your
* option) any later version.
*
* Vanilla Music Player 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.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package org.kreed.vanilla; package org.kreed.vanilla;
import android.content.Context; import android.content.Context;
@ -6,11 +24,19 @@ import android.graphics.PorterDuff;
import android.util.AttributeSet; import android.util.AttributeSet;
import android.widget.ImageView; import android.widget.ImageView;
/**
* ControlButton is a simple extension of ImageView to make it clickable and
* focusable and provide a visual indication of when these states occur by
* tinting the image green.
*/
public class ControlButton extends ImageView { public class ControlButton extends ImageView {
private static final int ACTIVE_TINT = Color.argb(100, 0, 255, 0); private static final int ACTIVE_TINT = Color.argb(100, 0, 255, 0);
private static final int INACTIVE_TINT = Color.TRANSPARENT; private static final int INACTIVE_TINT = Color.TRANSPARENT;
private int mTint = Color.TRANSPARENT; private int mTint = Color.TRANSPARENT;
/**
* Constructor intended to be called by inflating from XML.
*/
public ControlButton(Context context, AttributeSet attrs) public ControlButton(Context context, AttributeSet attrs)
{ {
super(context, attrs); super(context, attrs);
@ -19,6 +45,10 @@ public class ControlButton extends ImageView {
setClickable(true); setClickable(true);
} }
/**
* Change the tint of the view when the state changes to pressed or
* focused.
*/
@Override @Override
protected void drawableStateChanged() protected void drawableStateChanged()
{ {