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.TextView; 24 import com.android.settings.applications.LinearColorBar; 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 int mLeft, mMiddle, mRight; 36 private boolean mColorsSet = false; 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 setAmount(String amount)46 public void setAmount(String amount) { 47 mAmount = amount; 48 if (mAmount != null && mUnits != null) { 49 setTitle(TextUtils.expandTemplate(getContext().getText(R.string.storage_size_large), 50 mAmount, mUnits)); 51 } 52 } 53 setUnits(String units)54 public void setUnits(String units) { 55 mUnits = units; 56 if (mAmount != null && mUnits != null) { 57 setTitle(TextUtils.expandTemplate(getContext().getText(R.string.storage_size_large), 58 mAmount, mUnits)); 59 } 60 } 61 setLabels(String start, String end)62 public void setLabels(String start, String end) { 63 mStartLabel = start; 64 mEndLabel = end; 65 notifyChanged(); 66 } 67 setRatios(float left, float middle, float right)68 public void setRatios(float left, float middle, float right) { 69 mLeftRatio = left; 70 mMiddleRatio = middle; 71 mRightRatio = right; 72 notifyChanged(); 73 } 74 setColors(int left, int middle, int right)75 public void setColors(int left, int middle, int right) { 76 mLeft = left; 77 mMiddle = middle; 78 mRight = right; 79 mColorsSet = true; 80 notifyChanged(); 81 } 82 83 @Override onBindViewHolder(PreferenceViewHolder holder)84 public void onBindViewHolder(PreferenceViewHolder holder) { 85 super.onBindViewHolder(holder); 86 87 LinearColorBar colorBar = (LinearColorBar) holder.itemView.findViewById(R.id.color_bar); 88 colorBar.setRatios(mLeftRatio, mMiddleRatio, mRightRatio); 89 if (mColorsSet) { 90 colorBar.setColors(mLeft, mMiddle, mRight); 91 } 92 93 if (!TextUtils.isEmpty(mStartLabel) || !TextUtils.isEmpty(mEndLabel)) { 94 holder.findViewById(R.id.label_bar).setVisibility(View.VISIBLE); 95 ((TextView) holder.findViewById(android.R.id.text1)).setText(mStartLabel); 96 ((TextView) holder.findViewById(android.R.id.text2)).setText(mEndLabel); 97 } else { 98 holder.findViewById(R.id.label_bar).setVisibility(View.GONE); 99 } 100 } 101 } 102