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.car.developeroptions.fuelgauge; 18 19 import android.annotation.Nullable; 20 import android.content.Context; 21 import android.graphics.Color; 22 import android.graphics.ColorFilter; 23 import android.graphics.PorterDuff; 24 import android.graphics.PorterDuffColorFilter; 25 import android.util.AttributeSet; 26 import android.widget.ImageView; 27 28 import androidx.annotation.VisibleForTesting; 29 30 import com.android.car.developeroptions.R; 31 import com.android.car.developeroptions.Utils; 32 import com.android.settingslib.graph.ThemedBatteryDrawable; 33 34 public class BatteryMeterView extends ImageView { 35 @VisibleForTesting 36 BatteryMeterDrawable mDrawable; 37 @VisibleForTesting 38 ColorFilter mErrorColorFilter; 39 @VisibleForTesting 40 ColorFilter mAccentColorFilter; 41 private boolean mPowerSaveEnabled; 42 BatteryMeterView(Context context)43 public BatteryMeterView(Context context) { 44 this(context, null, 0); 45 } 46 BatteryMeterView(Context context, @Nullable AttributeSet attrs)47 public BatteryMeterView(Context context, @Nullable AttributeSet attrs) { 48 this(context, attrs, 0); 49 } 50 BatteryMeterView(Context context, @Nullable AttributeSet attrs, int defStyleAttr)51 public BatteryMeterView(Context context, @Nullable AttributeSet attrs, int defStyleAttr) { 52 super(context, attrs, defStyleAttr); 53 54 final int frameColor = context.getColor(R.color.meter_background_color); 55 mAccentColorFilter = new PorterDuffColorFilter( 56 Utils.getColorAttrDefaultColor(context, android.R.attr.colorAccent), 57 PorterDuff.Mode.SRC); 58 mErrorColorFilter = new PorterDuffColorFilter( 59 context.getColor(R.color.battery_icon_color_error), PorterDuff.Mode.SRC_IN); 60 61 mDrawable = new BatteryMeterDrawable(context, frameColor); 62 mDrawable.setColorFilter(mAccentColorFilter); 63 setImageDrawable(mDrawable); 64 setLayerType(LAYER_TYPE_SOFTWARE, null); 65 } 66 setBatteryLevel(int level)67 public void setBatteryLevel(int level) { 68 mDrawable.setBatteryLevel(level); 69 if (level < mDrawable.getCriticalLevel()) { 70 mDrawable.setColorFilter(mErrorColorFilter); 71 } else { 72 mDrawable.setColorFilter(mAccentColorFilter); 73 } 74 } 75 setPowerSave(boolean powerSave)76 public void setPowerSave(boolean powerSave) { 77 mDrawable.setPowerSaveEnabled(powerSave); 78 mPowerSaveEnabled = powerSave; 79 } 80 getPowerSave()81 public boolean getPowerSave() { 82 return mPowerSaveEnabled; 83 } 84 getBatteryLevel()85 public int getBatteryLevel() { 86 return mDrawable.getLevel(); 87 } 88 setCharging(boolean charging)89 public void setCharging(boolean charging) { 90 mDrawable.setCharging(charging); 91 postInvalidate(); 92 } 93 getCharging()94 public boolean getCharging() { 95 return mDrawable.getCharging(); 96 } 97 98 public static class BatteryMeterDrawable extends ThemedBatteryDrawable { 99 private final int mIntrinsicWidth; 100 private final int mIntrinsicHeight; 101 BatteryMeterDrawable(Context context, int frameColor)102 public BatteryMeterDrawable(Context context, int frameColor) { 103 super(context, frameColor); 104 105 mIntrinsicWidth = context.getResources() 106 .getDimensionPixelSize(R.dimen.battery_meter_width); 107 mIntrinsicHeight = context.getResources() 108 .getDimensionPixelSize(R.dimen.battery_meter_height); 109 } 110 111 @Override getIntrinsicWidth()112 public int getIntrinsicWidth() { 113 return mIntrinsicWidth; 114 } 115 116 @Override getIntrinsicHeight()117 public int getIntrinsicHeight() { 118 return mIntrinsicHeight; 119 } 120 } 121 } 122