src/com/owncloud/android/ui/activity/LogHistoryActivity.java

   1 /**
   2  *   ownCloud Android client application
   3  *
   4  *   Copyright (C) 2015 ownCloud Inc.
   5  *
   6  *   This program is free software: you can redistribute it and/or modify
   7  *   it under the terms of the GNU General Public License version 2,
   8  *   as published by the Free Software Foundation.
   9  *
  10  *   This program is distributed in the hope that it will be useful,
  11  *   but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13  *   GNU General Public License for more details.
  14  *
  15  *   You should have received a copy of the GNU General Public License
  16  *   along with this program.  If not, see <http://www.gnu.org/licenses/>.
  17  *
  18  */
  19
  20 package com.owncloud.android.ui.activity;
  21
  22 import java.io.BufferedReader;
  23 import java.io.File;
  24 import java.io.FileReader;
  25 import java.io.IOException;
  26 import java.lang.ref.WeakReference;
  27 import java.lang.reflect.Field;
  28 import java.util.ArrayList;
  29
  30 import android.content.ActivityNotFoundException;
  31 import android.content.Intent;
  32 import android.net.Uri;
  33 import android.os.AsyncTask;
  34 import android.os.Bundle;
  35 import android.support.v4.app.Fragment;
  36 import android.support.v4.app.FragmentManager;
  37 import android.support.v4.app.FragmentTransaction;
  38 import android.support.v7.app.ActionBar;
  39 import android.support.v7.app.AppCompatActivity;
  40 import android.view.MenuItem;
  41 import android.view.View;
  42 import android.view.View.OnClickListener;
  43 import android.widget.Button;
  44 import android.widget.TextView;
  45 import android.widget.Toast;
  46
  47 import com.owncloud.android.R;
  48 import com.owncloud.android.lib.common.utils.Log_OC;
  49 import com.owncloud.android.ui.dialog.LoadingDialog;
  50 import com.owncloud.android.utils.DisplayUtils;
  51 import com.owncloud.android.utils.FileStorageUtils;
  52
  53
  54 public class LogHistoryActivity extends AppCompatActivity {
  55
  56     private static final String MAIL_ATTACHMENT_TYPE = "text/plain";
  57
  58     private static final String KEY_LOG_TEXT = "LOG_TEXT";
  59
  60     private static final String TAG = LogHistoryActivity.class.getSimpleName();
  61
  62     private static final String DIALOG_WAIT_TAG = "DIALOG_WAIT";
  63
  64     private String mLogPath = FileStorageUtils.getLogPath();
  65     private File logDIR = null;
  66     private String mLogText;
  67
  68
  69     @Override
  70     protected void onCreate(Bundle savedInstanceState) {
  71         super.onCreate(savedInstanceState);
  72
  73         setContentView(R.layout.log_send_file);
  74         setTitle(getText(R.string.actionbar_logger));
  75         ActionBar actionBar = getSupportActionBar();
  76         actionBar.setIcon(DisplayUtils.getSeasonalIconId());
  77         actionBar.setDisplayHomeAsUpEnabled(true);
  78         Button deleteHistoryButton = (Button) findViewById(R.id.deleteLogHistoryButton);
  79         Button sendHistoryButton = (Button) findViewById(R.id.sendLogHistoryButton);
  80         TextView logTV = (TextView) findViewById(R.id.logTV);
  81
  82         deleteHistoryButton.setOnClickListener(new OnClickListener() {
  83
  84             @Override
  85             public void onClick(View v) {
  86
  87                 Log_OC.deleteHistoryLogging();
  88                 finish();
  89             }
  90         });
  91
  92         sendHistoryButton.setOnClickListener(new OnClickListener() {
  93
  94             @Override
  95             public void onClick(View v) {
  96                 sendMail();
  97             }
  98         });
  99
 100         if (savedInstanceState == null) {
 101             if (mLogPath != null) {
 102                 logDIR = new File(mLogPath);
 103             }
 104
 105             if (logDIR != null && logDIR.isDirectory()) {
 106                 // Show a dialog while log data is being loaded
 107                 showLoadingDialog();
 108
 109                 // Start a new thread that will load all the log data
 110                 LoadingLogTask task = new LoadingLogTask(logTV);
 111                 task.execute();
 112             }
 113         } else {
 114             mLogText = savedInstanceState.getString(KEY_LOG_TEXT);
 115             logTV.setText(mLogText);
 116         }
 117     }
 118
 119     @Override
 120     public boolean onOptionsItemSelected(MenuItem item) {
 121         super.onOptionsItemSelected(item);
 122         switch (item.getItemId()) {
 123             case android.R.id.home:
 124                 finish();
 125                 break;
 126             default:
 127                 return false;
 128         }
 129         return true;
 130     }
 131
 132
 133     /**
 134      * Start activity for sending email with logs attached
 135      */
 136     private void sendMail() {
 137
 138         // For the moment we need to consider the possibility that setup.xml
 139         // does not include the "mail_logger" entry. This block prevents that
 140         // compilation fails in this case.
 141         String emailAddress;
 142         try {
 143             Class<?> stringClass = R.string.class;
 144             Field mailLoggerField = stringClass.getField("mail_logger");
 145             int emailAddressId = (Integer) mailLoggerField.get(null);
 146             emailAddress = getString(emailAddressId);
 147         } catch (Exception e) {
 148             emailAddress = "";
 149         }
 150
 151         ArrayList<Uri> uris = new ArrayList<Uri>();
 152
 153         // Convert from paths to Android friendly Parcelable Uri's
 154         for (String file : Log_OC.getLogFileNames())
 155         {
 156             File logFile = new File(mLogPath, file);
 157             if (logFile.exists()) {
 158                 uris.add(Uri.fromFile(logFile));
 159             }
 160         }
 161
 162         Intent intent = new Intent(Intent.ACTION_SEND_MULTIPLE);
 163
 164         intent.putExtra(Intent.EXTRA_EMAIL, emailAddress);
 165         String subject = String.format(getString(R.string.log_send_mail_subject), getString(R.string.app_name));
 166         intent.putExtra(Intent.EXTRA_SUBJECT, subject);
 167         intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
 168         intent.setType(MAIL_ATTACHMENT_TYPE);
 169         intent.putParcelableArrayListExtra(Intent.EXTRA_STREAM, uris);
 170         try {
 171             startActivity(intent);
 172         } catch (ActivityNotFoundException e) {
 173             Toast.makeText(this, getString(R.string.log_send_no_mail_app), Toast.LENGTH_LONG).show();
 174             Log_OC.i(TAG, "Could not find app for sending log history.");
 175         }
 176
 177     }
 178
 179     /**
 180      *
 181      * Class for loading the log data async
 182      *
 183      */
 184     private class LoadingLogTask extends AsyncTask<String, Void, String> {
 185         private final WeakReference<TextView> textViewReference;
 186
 187         public LoadingLogTask(TextView logTV){
 188             // Use of a WeakReference to ensure the TextView can be garbage collected
 189             textViewReference  = new WeakReference<TextView>(logTV);
 190         }
 191
 192         protected String doInBackground(String... args) {
 193             return readLogFile();
 194         }
 195
 196         protected void onPostExecute(String result) {
 197             if (textViewReference != null && result != null) {
 198                 final TextView logTV = textViewReference.get();
 199                 if (logTV != null) {
 200                     mLogText = result;
 201                     logTV.setText(mLogText);
 202                     dismissLoadingDialog();
 203                 }
 204             }
 205         }
 206
 207         /**
 208          * Read and show log file info
 209          */
 210         private String readLogFile() {
 211
 212             String[] logFileName = Log_OC.getLogFileNames();
 213
 214             //Read text from files
 215             StringBuilder text = new StringBuilder();
 216
 217             BufferedReader br = null;
 218             try {
 219                 String line;
 220
 221                 for (int i = logFileName.length-1; i >= 0; i--) {
 222                     File file = new File(mLogPath,logFileName[i]);
 223                     if (file.exists()) {
 224                         // Check if FileReader is ready
 225                         if (new FileReader(file).ready()) {
 226                             br = new BufferedReader(new FileReader(file));
 227                             while ((line = br.readLine()) != null) {
 228                                 // Append the log info
 229                                 text.append(line);
 230                                 text.append('\n');
 231                             }
 232                         }
 233                     }
 234                 }
 235             }
 236             catch (IOException e) {
 237                 Log_OC.d(TAG, e.getMessage().toString());
 238
 239             } finally {
 240                 if (br != null) {
 241                     try {
 242                         br.close();
 243                     } catch (IOException e) {
 244                         // ignore
 245                     }
 246                 }
 247             }
 248
 249             return text.toString();
 250         }
 251    }
 252
 253     /**
 254      * Show loading dialog
 255      */
 256     public void showLoadingDialog() {
 257         // Construct dialog
 258         LoadingDialog loading = new LoadingDialog(
 259                 getResources().getString(R.string.log_progress_dialog_text)
 260         );
 261         FragmentManager fm = getSupportFragmentManager();
 262         FragmentTransaction ft = fm.beginTransaction();
 263         loading.show(ft, DIALOG_WAIT_TAG);
 264     }
 265
 266     /**
 267      * Dismiss loading dialog
 268      */
 269     public void dismissLoadingDialog(){
 270         Fragment frag = getSupportFragmentManager().findFragmentByTag(DIALOG_WAIT_TAG);
 271         if (frag != null) {
 272             LoadingDialog loading = (LoadingDialog) frag;
 273             loading.dismiss();
 274         }
 275     }
 276
 277     @Override
 278     protected void onSaveInstanceState(Bundle outState) {
 279         super.onSaveInstanceState(outState);
 280
 281         /// global state
 282         outState.putString(KEY_LOG_TEXT, mLogText);
 283     }
 284 }