1 /* 2 * Copyright (C) 2016 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.settings; 16 17 import android.content.Context; 18 import android.text.TextUtils; 19 import android.util.AttributeSet; 20 import android.view.View; 21 import android.widget.ProgressBar; 22 import android.widget.TextView; 23 24 import androidx.preference.Preference; 25 import androidx.preference.PreferenceViewHolder; 26 27 /** 28 * Provides a summary of a setting page in a preference. Such as memory or data usage. 29 */ 30 public class SummaryPreference extends Preference { 31 32 private static final String TAG = "SummaryPreference"; 33 private String mAmount; 34 private String mUnits; 35 36 private boolean mChartEnabled = true; 37 private float mLeftRatio, mMiddleRatio, mRightRatio; 38 private String mStartLabel; 39 private String mEndLabel; 40 SummaryPreference(Context context, AttributeSet attrs)41 public SummaryPreference(Context context, AttributeSet attrs) { 42 super(context, attrs); 43 setLayoutResource(R.layout.settings_summary_preference); 44 } 45 setChartEnabled(boolean enabled)46 public void setChartEnabled(boolean enabled) { 47 if (mChartEnabled != enabled) { 48 mChartEnabled = enabled; 49 notifyChanged(); 50 } 51 } 52 setAmount(String amount)53 public void setAmount(String amount) { 54 mAmount = amount; 55 if (mAmount != null && mUnits != null) { 56 setTitle(TextUtils.expandTemplate(getContext().getText(R.string.storage_size_large), 57 mAmount, mUnits)); 58 } 59 } 60 setUnits(String units)61 public void setUnits(String units) { 62 mUnits = units; 63 if (mAmount != null && mUnits != null) { 64 setTitle(TextUtils.expandTemplate(getContext().getText(R.string.storage_size_large), 65 mAmount, mUnits)); 66 } 67 } 68 setLabels(String start, String end)69 public void setLabels(String start, String end) { 70 mStartLabel = start; 71 mEndLabel = end; 72 notifyChanged(); 73 } 74 setRatios(float left, float middle, float right)75 public void setRatios(float left, float middle, float right) { 76 mLeftRatio = left; 77 mMiddleRatio = middle; 78 mRightRatio = right; 79 notifyChanged(); 80 } 81 82 @Override onBindViewHolder(PreferenceViewHolder holder)83 public void onBindViewHolder(PreferenceViewHolder holder) { 84 super.onBindViewHolder(holder); 85 86 final ProgressBar colorBar = holder.itemView.findViewById(R.id.color_bar); 87 88 if (mChartEnabled) { 89 colorBar.setVisibility(View.VISIBLE); 90 int progress = (int) (mLeftRatio * 100); 91 colorBar.setProgress(progress); 92 colorBar.setSecondaryProgress(progress + (int) (mMiddleRatio * 100)); 93 } else { 94 colorBar.setVisibility(View.GONE); 95 } 96 97 if (mChartEnabled && (!TextUtils.isEmpty(mStartLabel) || !TextUtils.isEmpty(mEndLabel))) { 98 holder.findViewById(R.id.label_bar).setVisibility(View.VISIBLE); 99 ((TextView) holder.findViewById(android.R.id.text1)).setText(mStartLabel); 100 ((TextView) holder.findViewById(android.R.id.text2)).setText(mEndLabel); 101 } else { 102 holder.findViewById(R.id.label_bar).setVisibility(View.GONE); 103 } 104 } 105 } 106