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/*
* Copyright (C) 2012 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.dreams.phototable;
import android.content.Context;
import android.os.Handler;
import android.os.Message;
import android.util.AttributeSet;
import android.view.View;
import android.widget.TextView;
public class BummerView extends TextView {
public static final int START = 1;
public static final int MOVE = 2;
private int mDelay = 10000; // ms
private int mAnimTime = 2000; // ms
private boolean mAnimate = false;
private Handler mHandler = new Handler() {
@Override
public void handleMessage(Message m) {
boolean animate = false;
switch (m.what) {
case MOVE:
animate = mAnimate;
// fall through
case START:
final View parent = (View) BummerView.this.getParent();
if (parent == null)
return;
final float framew = parent.getMeasuredWidth();
final float frameh = parent.getMeasuredHeight();
final float textw = getMeasuredWidth();
final float texth = getMeasuredHeight();
final float newx = (float) (Math.random() * (framew - textw));
final float newy = (float) (Math.random() * (frameh - texth));
if (animate) {
animate().x(newx)
.y(newy)
.setDuration(mAnimTime)
.start();
} else {
setX(newx);
setY(newy);
}
setVisibility(View.VISIBLE);
removeMessages(MOVE);
sendEmptyMessageDelayed(MOVE, mDelay);
break;
}
}
};
public BummerView(Context context) {
super(context);
}
public BummerView(Context context, AttributeSet attrs) {
this(context, attrs, 0);
}
public BummerView(Context context, AttributeSet attrs, int flags) {
super(context, attrs, flags);
}
public void setAnimationParams(boolean animate, int delay, int animTime) {
mAnimate = animate;
mDelay = delay;
mAnimTime = animTime;
}
@Override
public void onAttachedToWindow() {
final View parent = (View) this.getParent();
parent.addOnLayoutChangeListener(new OnLayoutChangeListener() {
public void onLayoutChange(View v, int left, int top, int right, int bottom,
int oldLeft, int oldTop, int oldRight, int oldBottom) {
if (v == parent && right != oldRight) {
mHandler.removeMessages(MOVE);
mHandler.sendEmptyMessage(START);
}
}
});
mHandler.sendEmptyMessage(START);
}
}
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