com.osama.cryptofm.tasks.DeleteTask.java Source code

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Here is the source code for com.osama.cryptofm.tasks.DeleteTask.java

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/*
 * Copyright (c) 2017. Osama Bin Omar
 *    This file is part of Crypto File Manager also known as Crypto FM
 *
 *     Crypto File Manager is free software: you can redistribute it and/or modify
 *     it under the terms of the GNU General Public License as published by
 *     the Free Software Foundation, either version 3 of the License, or
 *     (at your option) any later version.
 *
 *     Crypto File Manager is distributed in the hope that it will be useful,
 *     but WITHOUT ANY WARRANTY; without even the implied warranty of
 *     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *     GNU General Public License for more details.
 *
 *     You should have received a copy of the GNU General Public License
 *     along with Crypto File Manager.  If not, see <http://www.gnu.org/licenses/>.
 *
 */

package com.osama.cryptofm.tasks;

import android.app.ProgressDialog;
import android.content.Context;
import android.os.AsyncTask;
import android.support.v4.provider.DocumentFile;
import android.util.Log;
import android.widget.Toast;

import com.osama.cryptofm.filemanager.listview.FileListAdapter;
import com.osama.cryptofm.filemanager.utils.SharedData;
import com.osama.cryptofm.filemanager.utils.UiUtils;
import com.osama.cryptofm.utils.FileDocumentUtils;

import java.io.File;
import java.io.IOException;
import java.util.ArrayList;

/**
 * Created by home on 12/27/16.
 * task to delete file and folders
 */

public class DeleteTask extends AsyncTask<Void, String, String> {
    private ArrayList<String> mFilePaths;
    private FileListAdapter mAdapter;
    private ProgressDialog mProgressDialog;
    private Context mContext;

    private boolean isRunningFromEncryption = false;

    private static final String TAG = DeleteTask.class.getName();

    public DeleteTask(Context context, FileListAdapter adpater, ArrayList<String> filePaths) {
        mFilePaths = filePaths;
        mAdapter = adpater;
        mContext = context;
        mProgressDialog = new ProgressDialog(context);
    }

    public void setRunningFromEncryption(boolean runningFromEncryption) {
        isRunningFromEncryption = runningFromEncryption;
    }

    @Override
    protected String doInBackground(Void... voids) {
        try {
            for (String f : mFilePaths) {
                Log.d("delete", "filepath: " + f);

                File file = TasksFileUtils.getFile(f);
                if (SharedData.EXTERNAL_SDCARD_ROOT_PATH != null
                        && f.contains(SharedData.EXTERNAL_SDCARD_ROOT_PATH)) {
                    //this means it is external storage file
                    DocumentFile docFile = FileDocumentUtils.getDocumentFile(file);
                    deleteDocFile(docFile);
                } else {
                    deleteFile(file);
                }

            }
        } catch (Exception ex) {
            ex.printStackTrace();
            return "failed " + ex.getMessage();
        }
        return "successfully deleted file(s)";

    }

    private void deleteDocFile(DocumentFile docFile) throws IOException {
        Log.d(TAG, "deleteDocFile: Deleting document file");
        publishProgress(docFile.getName());
        if (docFile.isDirectory() && docFile.listFiles().length > 0) {
            for (DocumentFile d : docFile.listFiles()) {
                deleteDocFile(d);
            }
        }
        if (!docFile.delete()) {
            throw new IOException("cannot delete files");
        }
    }

    private void deleteFile(File f) throws IOException {
        Log.d(TAG, "deleteFile: Deleting normal file");
        publishProgress(f.getName());

        if (f.isDirectory() && f.listFiles().length > 0) {
            for (File tmp : f.listFiles()) {
                deleteFile(tmp);
            }
        }
        if (!f.delete()) {
            throw new IOException("error in deleting file");
        }

    }

    @Override
    protected void onProgressUpdate(String... values) {
        mProgressDialog.setMessage(values[0]);
    }

    @Override
    protected void onPostExecute(String s) {
        mProgressDialog.dismiss();
        if (!isRunningFromEncryption) {
            Toast.makeText(mContext, s, Toast.LENGTH_LONG).show();
        }
        UiUtils.reloadData(mContext, mAdapter);

    }

    @Override
    protected void onPreExecute() {
        mProgressDialog.setTitle("Deleting file(s)");
        mProgressDialog.setIndeterminate(true);
        mProgressDialog.setProgressStyle(ProgressDialog.STYLE_HORIZONTAL);
        mProgressDialog.show();
    }
}