119 lines
3.4 KiB
Java
119 lines
3.4 KiB
Java
/*
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* Copyright 2016 Hippo Seven
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package com.hippo.ehviewer.preference;
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import android.content.Context;
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import android.util.AttributeSet;
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import androidx.annotation.NonNull;
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import com.google.android.material.snackbar.Snackbar;
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import com.hippo.ehviewer.EhApplication;
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import com.hippo.ehviewer.R;
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import com.hippo.ehviewer.Settings;
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import com.hippo.ehviewer.download.DownloadManager;
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import com.hippo.unifile.UniFile;
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import com.hippo.yorozuya.NumberUtils;
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public class CleanRedundancyPreference extends TaskPreference {
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public CleanRedundancyPreference(Context context) {
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super(context);
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}
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public CleanRedundancyPreference(Context context, AttributeSet attrs) {
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super(context, attrs);
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}
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public CleanRedundancyPreference(Context context, AttributeSet attrs, int defStyleAttr) {
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super(context, attrs, defStyleAttr);
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}
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@NonNull
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@Override
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protected Task onCreateTask() {
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return new ClearTask(getContext());
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}
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private static class ClearTask extends Task {
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private final DownloadManager mManager;
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public ClearTask(@NonNull Context context) {
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super(context);
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mManager = EhApplication.getDownloadManager();
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}
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// True for cleared
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private boolean clearFile(UniFile file) {
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String name = file.getName();
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if (name == null) {
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return false;
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}
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int index = name.indexOf('-');
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if (index >= 0) {
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name = name.substring(0, index);
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}
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long gid = NumberUtils.parseLongSafely(name, -1L);
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if (-1L == gid) {
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return false;
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}
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if (mManager.containDownloadInfo(gid)) {
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return false;
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}
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file.delete();
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return true;
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}
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@Override
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protected Object doInBackground(Void... params) {
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UniFile dir = Settings.getDownloadLocation();
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if (null == dir) {
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return 0;
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}
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UniFile[] files = dir.listFiles();
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if (null == files) {
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return 0;
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}
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int count = 0;
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for (UniFile f : files) {
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if (clearFile(f)) {
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++count;
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}
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}
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return count;
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}
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@Override
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protected void onPostExecute(Object o) {
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int count;
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if (o instanceof Integer) {
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count = (Integer) o;
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} else {
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count = 0;
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}
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showTip(0 == count ?
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mApplication.getString(R.string.settings_download_clean_redundancy_no_redundancy) :
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mApplication.getString(R.string.settings_download_clean_redundancy_done, count), Snackbar.LENGTH_SHORT);
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super.onPostExecute(o);
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}
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}
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}
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