1 /* 2 * Copyright (C) 2017 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file 5 * except in compliance with the License. You may obtain a copy of the License at 6 * 7 * http://www.apache.org/licenses/LICENSE-2.0 8 * 9 * Unless required by applicable law or agreed to in writing, software distributed under the 10 * License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 11 * KIND, either express or implied. See the License for the specific language governing 12 * permissions and limitations under the License. 13 */ 14 15 package com.android.systemui; 16 17 import android.content.Context; 18 import android.graphics.Canvas; 19 import android.graphics.ColorFilter; 20 import android.graphics.Paint; 21 import android.graphics.PixelFormat; 22 import android.graphics.Rect; 23 import android.graphics.drawable.Drawable; 24 import android.graphics.drawable.LayerDrawable; 25 26 import com.android.settingslib.Utils; 27 28 public class HardwareBgDrawable extends LayerDrawable { 29 30 private final Paint mPaint = new Paint(); 31 private final Drawable[] mLayers; 32 private final boolean mRoundTop; 33 private int mPoint; 34 private boolean mRotatedBackground; 35 HardwareBgDrawable(boolean roundTop, boolean roundEnd, Context context)36 public HardwareBgDrawable(boolean roundTop, boolean roundEnd, Context context) { 37 this(roundTop, getLayers(context, roundTop, roundEnd)); 38 } 39 HardwareBgDrawable(boolean roundTop, Drawable[] layers)40 public HardwareBgDrawable(boolean roundTop, Drawable[] layers) { 41 super(layers); 42 if (layers.length != 2) { 43 throw new IllegalArgumentException("Need 2 layers"); 44 } 45 mRoundTop = roundTop; 46 mLayers = layers; 47 } 48 getLayers(Context context, boolean roundTop, boolean roundEnd)49 private static Drawable[] getLayers(Context context, boolean roundTop, boolean roundEnd) { 50 int drawable = roundEnd ? R.drawable.rounded_bg_full : R.drawable.rounded_bg; 51 final Drawable[] layers; 52 if (roundTop) { 53 layers = new Drawable[]{ 54 context.getDrawable(drawable).mutate(), 55 context.getDrawable(drawable).mutate(), 56 }; 57 } else { 58 layers = new Drawable[]{ 59 context.getDrawable(drawable).mutate(), 60 context.getDrawable(roundEnd ? R.drawable.rounded_full_bg_bottom 61 : R.drawable.rounded_bg_bottom).mutate(), 62 }; 63 } 64 layers[1].setTintList(Utils.getColorAttr(context, android.R.attr.colorPrimary)); 65 return layers; 66 } 67 setCutPoint(int point)68 public void setCutPoint(int point) { 69 mPoint = point; 70 invalidateSelf(); 71 } 72 getCutPoint()73 public int getCutPoint() { 74 return mPoint; 75 } 76 77 @Override draw(Canvas canvas)78 public void draw(Canvas canvas) { 79 if (mPoint >= 0 && !mRotatedBackground) { 80 Rect bounds = getBounds(); 81 int top = bounds.top + mPoint; 82 if (top > bounds.bottom) top = bounds.bottom; 83 if (mRoundTop) { 84 mLayers[0].setBounds(bounds.left, bounds.top, bounds.right, top); 85 } else { 86 mLayers[1].setBounds(bounds.left, top, bounds.right, bounds.bottom); 87 } 88 if (mRoundTop) { 89 mLayers[1].draw(canvas); 90 mLayers[0].draw(canvas); 91 } else { 92 mLayers[0].draw(canvas); 93 mLayers[1].draw(canvas); 94 } 95 } else { 96 mLayers[0].draw(canvas); 97 } 98 } 99 100 @Override setAlpha(int alpha)101 public void setAlpha(int alpha) { 102 mPaint.setAlpha(alpha); 103 } 104 105 @Override setColorFilter(ColorFilter colorFilter)106 public void setColorFilter(ColorFilter colorFilter) { 107 mPaint.setColorFilter(colorFilter); 108 } 109 110 @Override getOpacity()111 public int getOpacity() { 112 return PixelFormat.OPAQUE; 113 } 114 setRotatedBackground(boolean rotatedBackground)115 public void setRotatedBackground(boolean rotatedBackground) { 116 mRotatedBackground = rotatedBackground; 117 } 118 }