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/*
* Copyright (C) 2015 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.dialer.dialpadview;
import android.animation.Animator;
import android.animation.Animator.AnimatorListener;
import android.animation.ArgbEvaluator;
import android.animation.ValueAnimator;
import android.content.Context;
import android.graphics.Color;
import android.graphics.ColorFilter;
import android.graphics.LightingColorFilter;
import android.os.Handler;
import android.os.Vibrator;
import android.view.View;
/** Animates the dial button on "emergency" phone numbers. */
public class PseudoEmergencyAnimator {
static final String PSEUDO_EMERGENCY_NUMBER = "01189998819991197253";
private static final int VIBRATE_LENGTH_MILLIS = 200;
private static final int ITERATION_LENGTH_MILLIS = 1000;
private static final int ANIMATION_ITERATION_COUNT = 6;
private ViewProvider viewProvider;
private ValueAnimator pseudoEmergencyColorAnimator;
PseudoEmergencyAnimator(ViewProvider viewProvider) {
this.viewProvider = viewProvider;
}
public void destroy() {
end();
viewProvider = null;
}
public void start() {
if (pseudoEmergencyColorAnimator == null) {
Integer colorFrom = Color.BLUE;
Integer colorTo = Color.RED;
pseudoEmergencyColorAnimator =
ValueAnimator.ofObject(new ArgbEvaluator(), colorFrom, colorTo);
pseudoEmergencyColorAnimator.addUpdateListener(
animator -> {
try {
int color = (int) animator.getAnimatedValue();
ColorFilter colorFilter = new LightingColorFilter(Color.BLACK, color);
if (viewProvider.getFab() != null) {
viewProvider.getFab().getBackground().setColorFilter(colorFilter);
}
} catch (Exception e) {
animator.cancel();
}
});
pseudoEmergencyColorAnimator.addListener(
new AnimatorListener() {
@Override
public void onAnimationCancel(Animator animation) {}
@Override
public void onAnimationRepeat(Animator animation) {
try {
vibrate(VIBRATE_LENGTH_MILLIS);
} catch (Exception e) {
animation.cancel();
}
}
@Override
public void onAnimationStart(Animator animation) {}
@Override
public void onAnimationEnd(Animator animation) {
try {
if (viewProvider.getFab() != null) {
viewProvider.getFab().getBackground().clearColorFilter();
}
new Handler()
.postDelayed(
() -> {
try {
vibrate(VIBRATE_LENGTH_MILLIS);
} catch (Exception e) {
// ignored
}
},
ITERATION_LENGTH_MILLIS);
} catch (Exception e) {
animation.cancel();
}
}
});
pseudoEmergencyColorAnimator.setDuration(VIBRATE_LENGTH_MILLIS);
pseudoEmergencyColorAnimator.setRepeatMode(ValueAnimator.REVERSE);
pseudoEmergencyColorAnimator.setRepeatCount(ANIMATION_ITERATION_COUNT);
}
if (!pseudoEmergencyColorAnimator.isStarted()) {
pseudoEmergencyColorAnimator.start();
}
}
public void end() {
if (pseudoEmergencyColorAnimator != null && pseudoEmergencyColorAnimator.isStarted()) {
pseudoEmergencyColorAnimator.end();
}
}
private void vibrate(long milliseconds) {
Context context = viewProvider.getContext();
if (context != null) {
Vibrator vibrator = (Vibrator) context.getSystemService(Context.VIBRATOR_SERVICE);
if (vibrator != null) {
vibrator.vibrate(milliseconds);
}
}
}
interface ViewProvider {
View getFab();
Context getContext();
}
}
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