1 /* 2 * Copyright (C) 2021 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 package com.android.keyguard; 17 18 import android.content.Context; 19 import android.content.res.ColorStateList; 20 import android.content.res.Configuration; 21 import android.graphics.drawable.Drawable; 22 import android.graphics.drawable.RippleDrawable; 23 import android.graphics.drawable.VectorDrawable; 24 import android.util.AttributeSet; 25 import android.view.MotionEvent; 26 27 import androidx.annotation.Nullable; 28 29 import com.android.settingslib.Utils; 30 31 /** 32 * Similar to the {@link NumPadKey}, but displays an image. 33 */ 34 public class NumPadButton extends AlphaOptimizedImageButton { 35 36 @Nullable 37 private NumPadAnimator mAnimator; 38 private int mOrientation; 39 NumPadButton(Context context, AttributeSet attrs)40 public NumPadButton(Context context, AttributeSet attrs) { 41 super(context, attrs); 42 43 Drawable background = getBackground(); 44 if (background instanceof RippleDrawable) { 45 mAnimator = new NumPadAnimator(context, (RippleDrawable) getBackground(), 46 attrs.getStyleAttribute()); 47 } else { 48 mAnimator = null; 49 } 50 } 51 52 @Override onConfigurationChanged(Configuration newConfig)53 protected void onConfigurationChanged(Configuration newConfig) { 54 mOrientation = newConfig.orientation; 55 } 56 57 @Override onMeasure(int widthMeasureSpec, int heightMeasureSpec)58 protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) { 59 super.onMeasure(widthMeasureSpec, heightMeasureSpec); 60 61 // Set width/height to the same value to ensure a smooth circle for the bg, but shrink 62 // the height to match the old pin bouncer 63 int width = getMeasuredWidth(); 64 65 boolean shortenHeight = mAnimator == null 66 || mOrientation == Configuration.ORIENTATION_LANDSCAPE; 67 int height = shortenHeight ? (int) (width * .66f) : width; 68 69 setMeasuredDimension(getMeasuredWidth(), height); 70 } 71 72 @Override onLayout(boolean changed, int l, int t, int r, int b)73 protected void onLayout(boolean changed, int l, int t, int r, int b) { 74 super.onLayout(changed, l, t, r, b); 75 76 if (mAnimator != null) mAnimator.onLayout(b - t); 77 } 78 79 @Override onTouchEvent(MotionEvent event)80 public boolean onTouchEvent(MotionEvent event) { 81 if (event.getActionMasked() == MotionEvent.ACTION_DOWN && mAnimator != null) { 82 mAnimator.start(); 83 } 84 return super.onTouchEvent(event); 85 } 86 87 /** 88 * Reload colors from resources. 89 **/ reloadColors()90 public void reloadColors() { 91 if (mAnimator != null) mAnimator.reloadColors(getContext()); 92 93 int textColor = Utils.getColorAttrDefaultColor(getContext(), 94 android.R.attr.colorBackground); 95 ((VectorDrawable) getDrawable()).setTintList(ColorStateList.valueOf(textColor)); 96 } 97 } 98