1 /* 2 * Copyright (C) 2019 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.server.display.color; 18 19 import android.animation.ValueAnimator; 20 import android.content.Context; 21 22 import java.io.PrintWriter; 23 24 abstract class TintController { 25 26 private ValueAnimator mAnimator; 27 private Boolean mIsActivated; 28 getAnimator()29 public ValueAnimator getAnimator() { 30 return mAnimator; 31 } 32 setAnimator(ValueAnimator animator)33 public void setAnimator(ValueAnimator animator) { 34 mAnimator = animator; 35 } 36 37 /** 38 * Cancel the animator if it's still running. 39 */ cancelAnimator()40 public void cancelAnimator() { 41 if (mAnimator != null) { 42 mAnimator.cancel(); 43 } 44 } 45 46 /** 47 * End the animator if it's still running, jumping to the end state. 48 */ endAnimator()49 public void endAnimator() { 50 if (mAnimator != null) { 51 mAnimator.end(); 52 mAnimator = null; 53 } 54 } 55 setActivated(Boolean isActivated)56 public void setActivated(Boolean isActivated) { 57 mIsActivated = isActivated; 58 } 59 isActivated()60 public boolean isActivated() { 61 return mIsActivated != null && mIsActivated; 62 } 63 isActivatedStateNotSet()64 public boolean isActivatedStateNotSet() { 65 return mIsActivated == null; 66 } 67 68 /** 69 * Dump debug information. 70 */ dump(PrintWriter pw)71 public void dump(PrintWriter pw) { 72 } 73 74 /** 75 * Set up any constants needed for computing the matrix. 76 */ setUp(Context context, boolean needsLinear)77 public abstract void setUp(Context context, boolean needsLinear); 78 79 /** 80 * Sets the 4x4 matrix to apply. 81 */ setMatrix(int value)82 public abstract void setMatrix(int value); 83 84 /** 85 * Get the 4x4 matrix to apply. 86 */ getMatrix()87 public abstract float[] getMatrix(); 88 89 /** 90 * Get the color transform level to apply the matrix. 91 */ getLevel()92 public abstract int getLevel(); 93 94 /** 95 * Returns whether or not this transform type is available on this device. 96 */ isAvailable(Context context)97 public abstract boolean isAvailable(Context context); 98 } 99