mirror of
https://gitlab.linphone.org/BC/public/linphone-android.git
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87 lines
2.6 KiB
Java
87 lines
2.6 KiB
Java
/*
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ToggleImageButton.java
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Copyright (C) 2010 Belledonne Communications, Grenoble, France
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License
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as published by the Free Software Foundation; either version 2
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of the License, or (at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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package org.linphone.component;
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import android.content.Context;
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import android.graphics.Color;
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import android.graphics.drawable.Drawable;
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import android.util.AttributeSet;
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import android.view.View;
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import android.view.View.OnClickListener;
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import android.widget.ImageButton;
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/**
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* Image button storing a checked state to display alternating drawables.
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* The "toggled" drawable is displayed when button is down / checked.
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* The "untoggled" drawable is displayed when button is up / unchecked.
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*
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* @author Guillaume Beraudo
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*
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*/
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public class ToggleImageButton extends ImageButton implements OnClickListener {
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private static final String namespace = null;
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private boolean checked;
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private Drawable on;
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private Drawable off;
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private OnCheckedChangeListener onCheckedChangeListener;
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public ToggleImageButton(Context context, AttributeSet attrs) {
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super(context, attrs);
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on = getResources().getDrawable(attrs.getAttributeResourceValue(namespace, "toggled", -1));
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off = getResources().getDrawable(attrs.getAttributeResourceValue(namespace, "untoggled", -1));
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setBackgroundColor(Color.TRANSPARENT);
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setOnClickListener(this);
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handleCheckChanged();
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}
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public void setChecked(boolean checked) {
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this.checked = checked;
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handleCheckChanged();
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}
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public boolean isChecked() {
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return checked;
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}
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private void handleCheckChanged() {
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setImageDrawable(checked?on:off);
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requestLayout();
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invalidate();
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if (onCheckedChangeListener != null) onCheckedChangeListener.onCheckedChanged(this, checked);
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}
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public void setOnCheckedChangeListener(OnCheckedChangeListener listener) {
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onCheckedChangeListener = listener;
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}
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public static interface OnCheckedChangeListener {
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void onCheckedChanged(ToggleImageButton button, boolean checked);
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}
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public void onClick(View v) {
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checked = !checked;
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handleCheckChanged();
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}
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}
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