1 /* 2 * Copyright (C) 2016 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.settings.deviceinfo.storage; 18 19 import android.app.settings.SettingsEnums; 20 import android.content.Context; 21 import android.content.Intent; 22 import android.graphics.Typeface; 23 import android.os.storage.StorageManager; 24 import android.text.TextPaint; 25 import android.text.style.StyleSpan; 26 import android.util.AttributeSet; 27 import android.view.View; 28 import android.widget.Button; 29 30 import androidx.preference.Preference; 31 import androidx.preference.PreferenceViewHolder; 32 33 import com.android.settings.R; 34 import com.android.settings.overlay.FeatureFactory; 35 import com.android.settings.widget.DonutView; 36 37 /** 38 * StorageSummaryDonutPreference is a preference which summarizes the used and remaining storage left 39 * on a given storage volume. It is visualized with a donut graphing the % used. 40 */ 41 public class StorageSummaryDonutPreference extends Preference implements View.OnClickListener { 42 private double mPercent = -1; 43 StorageSummaryDonutPreference(Context context)44 public StorageSummaryDonutPreference(Context context) { 45 this(context, null); 46 } 47 StorageSummaryDonutPreference(Context context, AttributeSet attrs)48 public StorageSummaryDonutPreference(Context context, AttributeSet attrs) { 49 super(context, attrs); 50 51 setLayoutResource(R.layout.storage_summary_donut); 52 setEnabled(false); 53 } 54 setPercent(long usedBytes, long totalBytes)55 public void setPercent(long usedBytes, long totalBytes) { 56 if (totalBytes == 0) { 57 return; 58 } 59 60 mPercent = usedBytes / (double) totalBytes; 61 } 62 63 @Override onBindViewHolder(PreferenceViewHolder view)64 public void onBindViewHolder(PreferenceViewHolder view) { 65 super.onBindViewHolder(view); 66 view.itemView.setClickable(false); 67 68 final DonutView donut = (DonutView) view.findViewById(R.id.donut); 69 if (donut != null) { 70 donut.setPercentage(mPercent); 71 } 72 73 final Button deletionHelperButton = (Button) view.findViewById(R.id.deletion_helper_button); 74 if (deletionHelperButton != null) { 75 deletionHelperButton.setOnClickListener(this); 76 } 77 } 78 79 @Override onClick(View v)80 public void onClick(View v) { 81 if (v != null && R.id.deletion_helper_button == v.getId()) { 82 Context context = getContext(); 83 FeatureFactory.getFactory(context).getMetricsFeatureProvider().action( 84 context, SettingsEnums.STORAGE_FREE_UP_SPACE_NOW); 85 Intent intent = new Intent(StorageManager.ACTION_MANAGE_STORAGE); 86 getContext().startActivity(intent); 87 } 88 } 89 90 private static class BoldLinkSpan extends StyleSpan { BoldLinkSpan()91 public BoldLinkSpan() { 92 super(Typeface.BOLD); 93 } 94 95 @Override updateDrawState(TextPaint ds)96 public void updateDrawState(TextPaint ds) { 97 super.updateDrawState(ds); 98 ds.setColor(ds.linkColor); 99 } 100 } 101 } 102