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/*
* Copyright (C) 2010 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.android.gallery3d.ui;
import static com.android.gallery3d.ui.TextButtonConfig.*;
import android.content.Context;
import android.graphics.Rect;
import android.view.MotionEvent;
public class TextButton extends Label {
private static final String TAG = "TextButton";
private boolean mPressed;
private Texture mPressedBackground;
private Texture mNormalBackground;
private OnClickedListener mOnClickListener;
public interface OnClickedListener {
public void onClicked(GLView source);
}
public TextButton(Context context, int label) {
super(context, label);
setPaddings(HORIZONTAL_PADDINGS, VERTICAL_PADDINGS,
HORIZONTAL_PADDINGS, VERTICAL_PADDINGS);
}
public void setOnClickListener(OnClickedListener listener) {
mOnClickListener = listener;
}
public void setPressedBackground(Texture texture) {
mPressedBackground = texture;
}
public void setNormalBackground(Texture texture) {
mNormalBackground = texture;
}
@SuppressWarnings("fallthrough")
@Override
protected boolean onTouch(MotionEvent event) {
switch (event.getAction()) {
case MotionEvent.ACTION_DOWN:
mPressed = true;
invalidate();
break;
case MotionEvent.ACTION_UP:
if (mOnClickListener != null) {
mOnClickListener.onClicked(this);
}
// fall-through
case MotionEvent.ACTION_CANCEL:
mPressed = false;
invalidate();
break;
}
return true;
}
@Override
protected void render(GLCanvas canvas) {
Texture bg = mPressed ? mPressedBackground : mNormalBackground;
if (bg != null) {
int width = getWidth();
int height = getHeight();
if (bg instanceof NinePatchTexture) {
Rect p = ((NinePatchTexture) bg).getPaddings();
bg.draw(canvas, -p.left, -p.top,
width + p.left + p.right, height + p.top + p.bottom);
} else {
bg.draw(canvas, 0, 0, width, height);
}
}
super.render(canvas);
}
}
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