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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.app.dialpad;
import android.animation.Animator;
import android.animation.Animator.AnimatorListener;
import android.animation.ArgbEvaluator;
import android.animation.ValueAnimator;
import android.animation.ValueAnimator.AnimatorUpdateListener;
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;
import com.android.dialer.app.R;
/** Animates the dial button on "emergency" phone numbers. */
public class PseudoEmergencyAnimator {
public 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 mViewProvider;
private ValueAnimator mPseudoEmergencyColorAnimator;
PseudoEmergencyAnimator(ViewProvider viewProvider) {
mViewProvider = viewProvider;
}
public void destroy() {
end();
mViewProvider = null;
}
public void start() {
if (mPseudoEmergencyColorAnimator == null) {
Integer colorFrom = Color.BLUE;
Integer colorTo = Color.RED;
mPseudoEmergencyColorAnimator =
ValueAnimator.ofObject(new ArgbEvaluator(), colorFrom, colorTo);
mPseudoEmergencyColorAnimator.addUpdateListener(
new AnimatorUpdateListener() {
@Override
public void onAnimationUpdate(ValueAnimator animator) {
try {
int color = (int) animator.getAnimatedValue();
ColorFilter colorFilter = new LightingColorFilter(Color.BLACK, color);
View floatingActionButtonContainer =
getView().findViewById(R.id.floating_action_button);
if (floatingActionButtonContainer != null) {
floatingActionButtonContainer.getBackground().setColorFilter(colorFilter);
}
} catch (Exception e) {
animator.cancel();
}
}
});
mPseudoEmergencyColorAnimator.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 {
View floatingActionButtonContainer =
getView().findViewById(R.id.floating_action_button);
if (floatingActionButtonContainer != null) {
floatingActionButtonContainer.getBackground().clearColorFilter();
}
new Handler()
.postDelayed(
new Runnable() {
@Override
public void run() {
try {
vibrate(VIBRATE_LENGTH_MILLIS);
} catch (Exception e) {
// ignored
}
}
},
ITERATION_LENGTH_MILLIS);
} catch (Exception e) {
animation.cancel();
}
}
});
mPseudoEmergencyColorAnimator.setDuration(VIBRATE_LENGTH_MILLIS);
mPseudoEmergencyColorAnimator.setRepeatMode(ValueAnimator.REVERSE);
mPseudoEmergencyColorAnimator.setRepeatCount(ANIMATION_ITERATION_COUNT);
}
if (!mPseudoEmergencyColorAnimator.isStarted()) {
mPseudoEmergencyColorAnimator.start();
}
}
public void end() {
if (mPseudoEmergencyColorAnimator != null && mPseudoEmergencyColorAnimator.isStarted()) {
mPseudoEmergencyColorAnimator.end();
}
}
private View getView() {
return mViewProvider == null ? null : mViewProvider.getView();
}
private Context getContext() {
View view = getView();
return view != null ? view.getContext() : null;
}
private void vibrate(long milliseconds) {
Context context = getContext();
if (context != null) {
Vibrator vibrator = (Vibrator) context.getSystemService(Context.VIBRATOR_SERVICE);
if (vibrator != null) {
vibrator.vibrate(milliseconds);
}
}
}
public interface ViewProvider {
View getView();
}
}
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