143 lines
4.5 KiB
Java
143 lines
4.5 KiB
Java
/*
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* Copyright (C) 2015 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package com.android.dialer.dialpadview;
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import android.animation.Animator;
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import android.animation.Animator.AnimatorListener;
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import android.animation.ArgbEvaluator;
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import android.animation.ValueAnimator;
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import android.content.Context;
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import android.graphics.Color;
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import android.graphics.ColorFilter;
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import android.graphics.LightingColorFilter;
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import android.os.Handler;
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import android.os.Vibrator;
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import android.view.View;
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/** Animates the dial button on "emergency" phone numbers. */
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public class PseudoEmergencyAnimator {
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static final String PSEUDO_EMERGENCY_NUMBER = "01189998819991197253";
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private static final int VIBRATE_LENGTH_MILLIS = 200;
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private static final int ITERATION_LENGTH_MILLIS = 1000;
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private static final int ANIMATION_ITERATION_COUNT = 6;
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private ViewProvider viewProvider;
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private ValueAnimator pseudoEmergencyColorAnimator;
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PseudoEmergencyAnimator(ViewProvider viewProvider) {
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this.viewProvider = viewProvider;
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}
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public void destroy() {
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end();
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viewProvider = null;
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}
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public void start() {
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if (pseudoEmergencyColorAnimator == null) {
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Integer colorFrom = Color.BLUE;
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Integer colorTo = Color.RED;
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pseudoEmergencyColorAnimator =
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ValueAnimator.ofObject(new ArgbEvaluator(), colorFrom, colorTo);
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pseudoEmergencyColorAnimator.addUpdateListener(
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animator -> {
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try {
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int color = (int) animator.getAnimatedValue();
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ColorFilter colorFilter = new LightingColorFilter(Color.BLACK, color);
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if (viewProvider.getFab() != null) {
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viewProvider.getFab().getBackground().setColorFilter(colorFilter);
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}
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} catch (Exception e) {
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animator.cancel();
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}
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});
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pseudoEmergencyColorAnimator.addListener(
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new AnimatorListener() {
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@Override
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public void onAnimationCancel(Animator animation) {}
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@Override
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public void onAnimationRepeat(Animator animation) {
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try {
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vibrate(VIBRATE_LENGTH_MILLIS);
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} catch (Exception e) {
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animation.cancel();
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}
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}
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@Override
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public void onAnimationStart(Animator animation) {}
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@Override
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public void onAnimationEnd(Animator animation) {
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try {
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if (viewProvider.getFab() != null) {
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viewProvider.getFab().getBackground().clearColorFilter();
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}
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new Handler()
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.postDelayed(
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() -> {
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try {
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vibrate(VIBRATE_LENGTH_MILLIS);
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} catch (Exception e) {
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// ignored
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}
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},
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ITERATION_LENGTH_MILLIS);
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} catch (Exception e) {
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animation.cancel();
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}
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}
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});
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pseudoEmergencyColorAnimator.setDuration(VIBRATE_LENGTH_MILLIS);
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pseudoEmergencyColorAnimator.setRepeatMode(ValueAnimator.REVERSE);
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pseudoEmergencyColorAnimator.setRepeatCount(ANIMATION_ITERATION_COUNT);
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}
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if (!pseudoEmergencyColorAnimator.isStarted()) {
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pseudoEmergencyColorAnimator.start();
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}
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}
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public void end() {
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if (pseudoEmergencyColorAnimator != null && pseudoEmergencyColorAnimator.isStarted()) {
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pseudoEmergencyColorAnimator.end();
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}
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}
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private void vibrate(long milliseconds) {
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Context context = viewProvider.getContext();
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if (context != null) {
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Vibrator vibrator = (Vibrator) context.getSystemService(Context.VIBRATOR_SERVICE);
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if (vibrator != null) {
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vibrator.vibrate(milliseconds);
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}
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}
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}
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interface ViewProvider {
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View getFab();
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Context getContext();
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}
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}
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