/**
* Wire
* Copyright (C) 2016 Wire Swiss GmbH
*
* This program 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.
*
* This program 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 this program. If not, see <http://www.gnu.org/licenses/>.
*/
package com.waz.zclient.pages.main.participants;
import android.graphics.Matrix;
import android.view.animation.Animation;
import android.view.animation.Transformation;
import com.waz.zclient.ui.animation.interpolators.penner.Expo;
public class ProfileSourceAnimation extends Animation {
private boolean enter;
private final float px;
private final float py;
public ProfileSourceAnimation(boolean enter, int duration, int delay, float px, float py) {
this.enter = enter;
this.px = px;
this.py = py;
if (enter) {
setInterpolator(new Expo.EaseOut());
} else {
setInterpolator(new Expo.EaseIn());
}
setDuration(duration);
setStartOffset(delay);
}
@Override
protected void applyTransformation(float interpolatedTime, Transformation t) {
Matrix m = t.getMatrix();
if (enter) {
t.setAlpha(interpolatedTime);
float scale = (1 - interpolatedTime) * 2 + interpolatedTime;
m.postScale(scale, scale, px, py);
} else {
t.setAlpha(1 - interpolatedTime);
float scale = (1 - interpolatedTime) + interpolatedTime * 2;
m.postScale(scale, scale, px, py);
}
super.applyTransformation(interpolatedTime, t);
}
}