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.support.v7.preference.Preference; 19 import android.support.v7.preference.PreferenceViewHolder; 20 import android.text.TextUtils; 21 import android.util.AttributeSet; 22 import android.view.View; 23 import android.widget.ProgressBar; 24 import android.widget.TextView; 25 26 /** 27 * Provides a summary of a setting page in a preference. Such as memory or data usage. 28 */ 29 public class SummaryPreference extends Preference { 30 31 private static final String TAG = "SummaryPreference"; 32 private String mAmount; 33 private String mUnits; 34 35 private boolean mChartEnabled = true; 36 private float mLeftRatio, mMiddleRatio, mRightRatio; 37 private String mStartLabel; 38 private String mEndLabel; 39 SummaryPreference(Context context, AttributeSet attrs)40 public SummaryPreference(Context context, AttributeSet attrs) { 41 super(context, attrs); 42 setLayoutResource(R.layout.settings_summary_preference); 43 } 44 setChartEnabled(boolean enabled)45 public void setChartEnabled(boolean enabled) { 46 if (mChartEnabled != enabled) { 47 mChartEnabled = enabled; 48 notifyChanged(); 49 } 50 } 51 setAmount(String amount)52 public void setAmount(String amount) { 53 mAmount = amount; 54 if (mAmount != null && mUnits != null) { 55 setTitle(TextUtils.expandTemplate(getContext().getText(R.string.storage_size_large), 56 mAmount, mUnits)); 57 } 58 } 59 setUnits(String units)60 public void setUnits(String units) { 61 mUnits = units; 62 if (mAmount != null && mUnits != null) { 63 setTitle(TextUtils.expandTemplate(getContext().getText(R.string.storage_size_large), 64 mAmount, mUnits)); 65 } 66 } 67 setLabels(String start, String end)68 public void setLabels(String start, String end) { 69 mStartLabel = start; 70 mEndLabel = end; 71 notifyChanged(); 72 } 73 setRatios(float left, float middle, float right)74 public void setRatios(float left, float middle, float right) { 75 mLeftRatio = left; 76 mMiddleRatio = middle; 77 mRightRatio = right; 78 notifyChanged(); 79 } 80 81 @Override onBindViewHolder(PreferenceViewHolder holder)82 public void onBindViewHolder(PreferenceViewHolder holder) { 83 super.onBindViewHolder(holder); 84 85 final ProgressBar colorBar = holder.itemView.findViewById(R.id.color_bar); 86 87 if (mChartEnabled) { 88 colorBar.setVisibility(View.VISIBLE); 89 int progress = (int) (mLeftRatio * 100); 90 colorBar.setProgress(progress); 91 colorBar.setSecondaryProgress(progress + (int) (mMiddleRatio * 100)); 92 } else { 93 colorBar.setVisibility(View.GONE); 94 } 95 96 if (mChartEnabled && (!TextUtils.isEmpty(mStartLabel) || !TextUtils.isEmpty(mEndLabel))) { 97 holder.findViewById(R.id.label_bar).setVisibility(View.VISIBLE); 98 ((TextView) holder.findViewById(android.R.id.text1)).setText(mStartLabel); 99 ((TextView) holder.findViewById(android.R.id.text2)).setText(mEndLabel); 100 } else { 101 holder.findViewById(R.id.label_bar).setVisibility(View.GONE); 102 } 103 } 104 } 105