1 /* 2 * Copyright (C) 2017 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 package com.android.systemui.statusbar.notification; 18 19 import android.animation.Animator; 20 import android.animation.AnimatorListenerAdapter; 21 import android.animation.ValueAnimator; 22 import android.graphics.ColorMatrix; 23 import android.graphics.ColorMatrixColorFilter; 24 import android.view.View; 25 import android.widget.ImageView; 26 27 import com.android.systemui.Interpolators; 28 import com.android.systemui.R; 29 import com.android.systemui.statusbar.notification.stack.StackStateAnimator; 30 31 import java.util.function.Consumer; 32 33 public class NotificationDozeHelper { 34 private static final int DOZE_ANIMATOR_TAG = R.id.doze_intensity_tag; 35 private final ColorMatrix mGrayscaleColorMatrix = new ColorMatrix(); 36 fadeGrayscale(final ImageView target, final boolean dark, long delay)37 public void fadeGrayscale(final ImageView target, final boolean dark, long delay) { 38 startIntensityAnimation(new ValueAnimator.AnimatorUpdateListener() { 39 @Override 40 public void onAnimationUpdate(ValueAnimator animation) { 41 updateGrayscale(target, (float) animation.getAnimatedValue()); 42 } 43 }, dark, delay, new AnimatorListenerAdapter() { 44 @Override 45 public void onAnimationEnd(Animator animation) { 46 if (!dark) { 47 target.setColorFilter(null); 48 } 49 } 50 }); 51 } 52 updateGrayscale(ImageView target, boolean dark)53 public void updateGrayscale(ImageView target, boolean dark) { 54 updateGrayscale(target, dark ? 1 : 0); 55 } 56 updateGrayscale(ImageView target, float darkAmount)57 public void updateGrayscale(ImageView target, float darkAmount) { 58 if (darkAmount > 0) { 59 updateGrayscaleMatrix(darkAmount); 60 target.setColorFilter(new ColorMatrixColorFilter(mGrayscaleColorMatrix)); 61 } else { 62 target.setColorFilter(null); 63 } 64 } 65 66 // TODO: this should be using StatusBarStateController#getDozeAmount startIntensityAnimation(ValueAnimator.AnimatorUpdateListener updateListener, boolean dark, long delay, Animator.AnimatorListener listener)67 public void startIntensityAnimation(ValueAnimator.AnimatorUpdateListener updateListener, 68 boolean dark, long delay, Animator.AnimatorListener listener) { 69 float startIntensity = dark ? 0f : 1f; 70 float endIntensity = dark ? 1f : 0f; 71 ValueAnimator animator = ValueAnimator.ofFloat(startIntensity, endIntensity); 72 animator.addUpdateListener(updateListener); 73 animator.setDuration(StackStateAnimator.ANIMATION_DURATION_WAKEUP); 74 animator.setInterpolator(Interpolators.LINEAR_OUT_SLOW_IN); 75 animator.setStartDelay(delay); 76 if (listener != null) { 77 animator.addListener(listener); 78 } 79 animator.start(); 80 } 81 setIntensityDark(Consumer<Float> listener, boolean dark, boolean animate, long delay, View view)82 public void setIntensityDark(Consumer<Float> listener, boolean dark, 83 boolean animate, long delay, View view) { 84 if (animate) { 85 startIntensityAnimation(a -> listener.accept((Float) a.getAnimatedValue()), dark, delay, 86 new AnimatorListenerAdapter() { 87 88 @Override 89 public void onAnimationEnd(Animator animation) { 90 view.setTag(DOZE_ANIMATOR_TAG, null); 91 } 92 93 @Override 94 public void onAnimationStart(Animator animation) { 95 view.setTag(DOZE_ANIMATOR_TAG, animation); 96 } 97 } /* listener */); 98 } else { 99 Animator animator = (Animator) view.getTag(DOZE_ANIMATOR_TAG); 100 if (animator != null) { 101 animator.cancel(); 102 } 103 listener.accept(dark ? 1f : 0f); 104 } 105 } 106 updateGrayscaleMatrix(float intensity)107 public void updateGrayscaleMatrix(float intensity) { 108 mGrayscaleColorMatrix.setSaturation(1 - intensity); 109 } 110 getGrayscaleColorMatrix()111 public ColorMatrix getGrayscaleColorMatrix() { 112 return mGrayscaleColorMatrix; 113 } 114 } 115