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.AppCompatActivity;
  39 import android.view.MenuItem;
  40 import android.view.View;
  41 import android.view.View.OnClickListener;
  42 import android.widget.Button;
  43 import android.widget.TextView;
  44 import android.widget.Toast;
  45
  46 import com.owncloud.android.R;
  47 import com.owncloud.android.lib.common.utils.Log_OC;
  48 import com.owncloud.android.ui.dialog.LoadingDialog;
  49 import com.owncloud.android.utils.DisplayUtils;
  50 import com.owncloud.android.utils.FileStorageUtils;
  51
  52
  53 public class LogHistoryActivity extends AppCompatActivity {
  54
  55     private static final String MAIL_ATTACHMENT_TYPE = "text/plain";
  56
  57     private static final String KEY_LOG_TEXT = "LOG_TEXT";
  58
  59     private static final String TAG = LogHistoryActivity.class.getSimpleName();
  60
  61     private static final String DIALOG_WAIT_TAG = "DIALOG_WAIT";
  62
  63     private String mLogPath = FileStorageUtils.getLogPath();
  64     private File logDIR = null;
  65     private String mLogText;
  66
  67
  68     @Override
  69     protected void onCreate(Bundle savedInstanceState) {
  70         super.onCreate(savedInstanceState);
  71
  72         setContentView(R.layout.log_send_file);
  73         setTitle(getText(R.string.actionbar_logger));
  74         getSupportActionBar().setDisplayHomeAsUpEnabled(true);
  75         Button deleteHistoryButton = (Button) findViewById(R.id.deleteLogHistoryButton);
  76         Button sendHistoryButton = (Button) findViewById(R.id.sendLogHistoryButton);
  77         TextView logTV = (TextView) findViewById(R.id.logTV);
  78
  79         deleteHistoryButton.setOnClickListener(new OnClickListener() {
  80
  81             @Override
  82             public void onClick(View v) {
  83
  84                 Log_OC.deleteHistoryLogging();
  85                 finish();
  86             }
  87         });
  88
  89         sendHistoryButton.setOnClickListener(new OnClickListener() {
  90
  91             @Override
  92             public void onClick(View v) {
  93                 sendMail();
  94             }
  95         });
  96
  97         if (savedInstanceState == null) {
  98             if (mLogPath != null) {
  99                 logDIR = new File(mLogPath);
 100             }
 101
 102             if (logDIR != null && logDIR.isDirectory()) {
 103                 // Show a dialog while log data is being loaded
 104                 showLoadingDialog();
 105
 106                 // Start a new thread that will load all the log data
 107                 LoadingLogTask task = new LoadingLogTask(logTV);
 108                 task.execute();
 109             }
 110         } else {
 111             mLogText = savedInstanceState.getString(KEY_LOG_TEXT);
 112             logTV.setText(mLogText);
 113         }
 114     }
 115
 116     @Override
 117     public boolean onOptionsItemSelected(MenuItem item) {
 118         super.onOptionsItemSelected(item);
 119         switch (item.getItemId()) {
 120             case android.R.id.home:
 121                 finish();
 122                 break;
 123             default:
 124                 return false;
 125         }
 126         return true;
 127     }
 128
 129
 130     /**
 131      * Start activity for sending email with logs attached
 132      */
 133     private void sendMail() {
 134
 135         // For the moment we need to consider the possibility that setup.xml
 136         // does not include the "mail_logger" entry. This block prevents that
 137         // compilation fails in this case.
 138         String emailAddress;
 139         try {
 140             Class<?> stringClass = R.string.class;
 141             Field mailLoggerField = stringClass.getField("mail_logger");
 142             int emailAddressId = (Integer) mailLoggerField.get(null);
 143             emailAddress = getString(emailAddressId);
 144         } catch (Exception e) {
 145             emailAddress = "";
 146         }
 147
 148         ArrayList<Uri> uris = new ArrayList<Uri>();
 149
 150         // Convert from paths to Android friendly Parcelable Uri's
 151         for (String file : Log_OC.getLogFileNames())
 152         {
 153             File logFile = new File(mLogPath, file);
 154             if (logFile.exists()) {
 155                 uris.add(Uri.fromFile(logFile));
 156             }
 157         }
 158
 159         Intent intent = new Intent(Intent.ACTION_SEND_MULTIPLE);
 160
 161         intent.putExtra(Intent.EXTRA_EMAIL, emailAddress);
 162         String subject = String.format(getString(R.string.log_send_mail_subject), getString(R.string.app_name));
 163         intent.putExtra(Intent.EXTRA_SUBJECT, subject);
 164         intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
 165         intent.setType(MAIL_ATTACHMENT_TYPE);
 166         intent.putParcelableArrayListExtra(Intent.EXTRA_STREAM, uris);
 167         try {
 168             startActivity(intent);
 169         } catch (ActivityNotFoundException e) {
 170             Toast.makeText(this, getString(R.string.log_send_no_mail_app), Toast.LENGTH_LONG).show();
 171             Log_OC.i(TAG, "Could not find app for sending log history.");
 172         }
 173
 174     }
 175
 176     /**
 177      *
 178      * Class for loading the log data async
 179      *
 180      */
 181     private class LoadingLogTask extends AsyncTask<String, Void, String> {
 182         private final WeakReference<TextView> textViewReference;
 183
 184         public LoadingLogTask(TextView logTV){
 185             // Use of a WeakReference to ensure the TextView can be garbage collected
 186             textViewReference  = new WeakReference<TextView>(logTV);
 187         }
 188
 189         protected String doInBackground(String... args) {
 190             return readLogFile();
 191         }
 192
 193         protected void onPostExecute(String result) {
 194             if (textViewReference != null && result != null) {
 195                 final TextView logTV = textViewReference.get();
 196                 if (logTV != null) {
 197                     mLogText = result;
 198                     logTV.setText(mLogText);
 199                     dismissLoadingDialog();
 200                 }
 201             }
 202         }
 203
 204         /**
 205          * Read and show log file info
 206          */
 207         private String readLogFile() {
 208
 209             String[] logFileName = Log_OC.getLogFileNames();
 210
 211             //Read text from files
 212             StringBuilder text = new StringBuilder();
 213
 214             BufferedReader br = null;
 215             try {
 216                 String line;
 217
 218                 for (int i = logFileName.length-1; i >= 0; i--) {
 219                     File file = new File(mLogPath,logFileName[i]);
 220                     if (file.exists()) {
 221                         // Check if FileReader is ready
 222                         if (new FileReader(file).ready()) {
 223                             br = new BufferedReader(new FileReader(file));
 224                             while ((line = br.readLine()) != null) {
 225                                 // Append the log info
 226                                 text.append(line);
 227                                 text.append('\n');
 228                             }
 229                         }
 230                     }
 231                 }
 232             }
 233             catch (IOException e) {
 234                 Log_OC.d(TAG, e.getMessage().toString());
 235
 236             } finally {
 237                 if (br != null) {
 238                     try {
 239                         br.close();
 240                     } catch (IOException e) {
 241                         // ignore
 242                     }
 243                 }
 244             }
 245
 246             return text.toString();
 247         }
 248    }
 249
 250     /**
 251      * Show loading dialog
 252      */
 253     public void showLoadingDialog() {
 254         // Construct dialog
 255         LoadingDialog loading = new LoadingDialog(
 256                 getResources().getString(R.string.log_progress_dialog_text)
 257         );
 258         FragmentManager fm = getSupportFragmentManager();
 259         FragmentTransaction ft = fm.beginTransaction();
 260         loading.show(ft, DIALOG_WAIT_TAG);
 261     }
 262
 263     /**
 264      * Dismiss loading dialog
 265      */
 266     public void dismissLoadingDialog(){
 267         Fragment frag = getSupportFragmentManager().findFragmentByTag(DIALOG_WAIT_TAG);
 268         if (frag != null) {
 269             LoadingDialog loading = (LoadingDialog) frag;
 270             loading.dismiss();
 271         }
 272     }
 273
 274     @Override
 275     protected void onSaveInstanceState(Bundle outState) {
 276         super.onSaveInstanceState(outState);
 277
 278         /// global state
 279         outState.putString(KEY_LOG_TEXT, mLogText);
 280     }
 281 }