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.storagemanager.deletionhelper; 18 19 import android.content.Context; 20 import android.content.res.Resources; 21 import android.graphics.drawable.Drawable; 22 import android.os.Handler; 23 import android.support.v7.preference.Preference; 24 import android.support.v7.preference.PreferenceViewHolder; 25 import android.util.AttributeSet; 26 import android.text.format.Formatter; 27 28 import android.view.View; 29 import com.android.internal.logging.MetricsLogger; 30 import com.android.internal.logging.MetricsProto.MetricsEvent; 31 import com.android.storagemanager.R; 32 33 /** 34 * Preference to handle the deletion of photos and videos in the Deletion Helper. 35 */ 36 public class PhotosDeletionPreference extends DeletionPreference { 37 public static final int DAYS_TO_KEEP = 30; 38 private boolean mLoaded; 39 PhotosDeletionPreference(Context context, AttributeSet attrs)40 public PhotosDeletionPreference(Context context, AttributeSet attrs) { 41 super(context, attrs); 42 updatePreferenceText(0, 0); 43 setTitle(R.string.deletion_helper_photos_loading_title); 44 setSummary(R.string.deletion_helper_photos_loading_summary); 45 } 46 47 /** 48 * Updates the title and summary of the preference with fresh information. 49 */ updatePreferenceText(int items, long bytes)50 public void updatePreferenceText(int items, long bytes) { 51 Context context = getContext(); 52 setTitle(context.getString(R.string.deletion_helper_photos_title, items)); 53 setSummary(context.getString(R.string.deletion_helper_photos_summary, 54 Formatter.formatFileSize(context, bytes), DAYS_TO_KEEP)); 55 } 56 57 @Override onFreeableChanged(int items, long bytes)58 public void onFreeableChanged(int items, long bytes) { 59 mLoaded = true; 60 // Because these operations may cause UI churn, we need to ensure they run on the main 61 // thread. 62 new Handler(getContext().getMainLooper()).post(new Runnable() { 63 @Override 64 public void run() { 65 PhotosDeletionPreference.super.onFreeableChanged(items, bytes); 66 updatePreferenceText(items, bytes); 67 } 68 }); 69 } 70 71 @Override onPreferenceChange(Preference preference, Object newValue)72 public boolean onPreferenceChange(Preference preference, Object newValue) { 73 boolean checked = (boolean) newValue; 74 MetricsLogger.action(getContext(), MetricsEvent.ACTION_DELETION_SELECTION_PHOTOS, checked); 75 return super.onPreferenceChange(preference, newValue); 76 } 77 78 @Override onBindViewHolder(PreferenceViewHolder holder)79 public void onBindViewHolder(PreferenceViewHolder holder) { 80 super.onBindViewHolder(holder); 81 holder.findViewById(R.id.progress_bar).setVisibility(mLoaded ? View.GONE : View.VISIBLE); 82 83 holder.findViewById(com.android.internal.R.id.icon) 84 .setVisibility(mLoaded ? View.VISIBLE : View.GONE); 85 86 holder.findViewById(com.android.internal.R.id.checkbox) 87 .setVisibility(mLoaded ? View.VISIBLE : View.GONE); 88 } 89 } 90