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

   1 /* ownCloud Android client application
   2  *   Copyright (C) 2012-2013 ownCloud Inc.
   3  *
   4  *   This program is free software: you can redistribute it and/or modify
   5  *   it under the terms of the GNU General Public License version 2,
   6  *   as published by the Free Software Foundation.
   7  *
   8  *   This program is distributed in the hope that it will be useful,
   9  *   but WITHOUT ANY WARRANTY; without even the implied warranty of
  10  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  11  *   GNU General Public License for more details.
  12  *
  13  *   You should have received a copy of the GNU General Public License
  14  *   along with this program.  If not, see <http://www.gnu.org/licenses/>.
  15  *
  16  */
  17
  18 package com.owncloud.android.ui.activity;
  19
  20 import java.io.BufferedReader;
  21 import java.io.File;
  22 import java.io.FileReader;
  23 import java.io.IOException;
  24 import java.lang.ref.WeakReference;
  25 import java.lang.reflect.Field;
  26 import java.util.ArrayList;
  27
  28 import android.content.ActivityNotFoundException;
  29 import android.content.Intent;
  30 import android.net.Uri;
  31 import android.os.AsyncTask;
  32 import android.os.Bundle;
  33 import android.support.v4.app.Fragment;
  34 import android.support.v4.app.FragmentManager;
  35 import android.support.v4.app.FragmentTransaction;
  36 import android.view.View;
  37 import android.view.View.OnClickListener;
  38 import android.widget.Button;
  39 import android.widget.TextView;
  40 import android.widget.Toast;
  41
  42 import com.actionbarsherlock.app.ActionBar;
  43 import com.actionbarsherlock.app.SherlockFragmentActivity;
  44 import com.actionbarsherlock.view.MenuItem;
  45 import com.owncloud.android.R;
  46 import com.owncloud.android.lib.common.utils.Log_OC;
  47 import com.owncloud.android.ui.dialog.LoadingDialog;
  48 import com.owncloud.android.utils.DisplayUtils;
  49 import com.owncloud.android.utils.FileStorageUtils;
  50
  51
  52 public class LogHistoryActivity extends SherlockFragmentActivity  {
  53
  54     private static final String MAIL_ATTACHMENT_TYPE = "text/plain";
  55
  56     private static final String TAG = LogHistoryActivity.class.getSimpleName();
  57
  58     private static final String DIALOG_WAIT_TAG = "DIALOG_WAIT";
  59
  60     private String mLogPath = FileStorageUtils.getLogPath();
  61     private File logDIR = null;
  62
  63
  64     @Override
  65     protected void onCreate(Bundle savedInstanceState) {
  66         super.onCreate(savedInstanceState);
  67
  68         setContentView(R.layout.log_send_file);
  69         setTitle(getText(R.string.actionbar_logger));
  70         ActionBar actionBar = getSherlock().getActionBar();
  71         actionBar.setIcon(DisplayUtils.getSeasonalIconId());
  72         actionBar.setDisplayHomeAsUpEnabled(true);
  73         Button deleteHistoryButton = (Button) findViewById(R.id.deleteLogHistoryButton);
  74         Button sendHistoryButton = (Button) findViewById(R.id.sendLogHistoryButton);
  75
  76         deleteHistoryButton.setOnClickListener(new OnClickListener() {
  77
  78             @Override
  79             public void onClick(View v) {
  80
  81                 Log_OC.deleteHistoryLogging();
  82                 finish();
  83             }
  84         });
  85
  86         sendHistoryButton.setOnClickListener(new OnClickListener() {
  87
  88             @Override
  89             public void onClick(View v) {
  90                 sendMail();
  91             }
  92         });
  93
  94         if (mLogPath != null) {
  95             logDIR = new File(mLogPath);
  96         }
  97
  98         if (logDIR != null && logDIR.isDirectory()) {
  99             // Show a dialog while log data is being loaded
 100             showLoadingDialog();
 101
 102             TextView logTV = (TextView) findViewById(R.id.logTV);
 103
 104             // Start a new thread that will load all the log data
 105             LoadingLogTask task = new LoadingLogTask(logTV);
 106             task.execute();
 107
 108         }
 109     }
 110
 111     @Override
 112     public boolean onMenuItemSelected(int featureId, MenuItem item) {
 113         super.onMenuItemSelected(featureId, item);
 114         switch (item.getItemId()) {
 115         case android.R.id.home:
 116             finish();
 117             break;
 118         default:
 119             return false;
 120         }
 121         return true;
 122     }
 123
 124
 125     /**
 126      * Start activity for sending email with logs attached
 127      */
 128     private void sendMail() {
 129
 130         // For the moment we need to consider the possibility that setup.xml
 131         // does not include the "mail_logger" entry. This block prevents that
 132         // compilation fails in this case.
 133         String emailAddress;
 134         try {
 135             Class<?> stringClass = R.string.class;
 136             Field mailLoggerField = stringClass.getField("mail_logger");
 137             int emailAddressId = (Integer) mailLoggerField.get(null);
 138             emailAddress = getString(emailAddressId);
 139         } catch (Exception e) {
 140             emailAddress = "";
 141         }
 142
 143         ArrayList<Uri> uris = new ArrayList<Uri>();
 144
 145         // Convert from paths to Android friendly Parcelable Uri's
 146         for (String file : Log_OC.getLogFileNames())
 147         {
 148             File logFile = new File(mLogPath, file);
 149             if (logFile.exists()) {
 150                 uris.add(Uri.fromFile(logFile));
 151             }
 152         }
 153
 154         Intent intent = new Intent(Intent.ACTION_SEND_MULTIPLE);
 155
 156         intent.putExtra(Intent.EXTRA_EMAIL, emailAddress);
 157         String subject = String.format(getString(R.string.log_send_mail_subject), getString(R.string.app_name));
 158         intent.putExtra(Intent.EXTRA_SUBJECT, subject);
 159         intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
 160         intent.setType(MAIL_ATTACHMENT_TYPE);
 161         intent.putParcelableArrayListExtra(Intent.EXTRA_STREAM, uris);
 162         try {
 163             startActivity(intent);
 164         } catch (ActivityNotFoundException e) {
 165             Toast.makeText(this, getString(R.string.log_send_no_mail_app), Toast.LENGTH_LONG).show();
 166             Log_OC.i(TAG, "Could not find app for sending log history.");
 167         }
 168
 169     }
 170
 171     /**
 172      *
 173      * Class for loading the log data async
 174      *
 175      */
 176     private class LoadingLogTask extends AsyncTask<String, Void, String> {
 177         private final WeakReference<TextView> textViewReference;
 178
 179         public LoadingLogTask(TextView logTV){
 180             // Use of a WeakReference to ensure the TextView can be garbage collected
 181             textViewReference  = new WeakReference<TextView>(logTV);
 182         }
 183
 184         protected String doInBackground(String... args) {
 185             return readLogFile();
 186         }
 187
 188         protected void onPostExecute(String result) {
 189             if (textViewReference != null && result != null) {
 190                 final TextView logTV = textViewReference.get();
 191                 if (logTV != null) {
 192                     logTV.setText(result);
 193                     dismissLoadingDialog();
 194                 }
 195             }
 196         }
 197
 198         /**
 199          * Read and show log file info
 200          */
 201         private String readLogFile() {
 202
 203             String[] logFileName = Log_OC.getLogFileNames();
 204
 205             //Read text from files
 206             StringBuilder text = new StringBuilder();
 207
 208             BufferedReader br = null;
 209             try {
 210                 String line;
 211
 212                 for (int i = logFileName.length-1; i >= 0; i--) {
 213                     File file = new File(mLogPath,logFileName[i]);
 214                     if (file.exists()) {
 215                         // Check if FileReader is ready
 216                         if (new FileReader(file).ready()) {
 217                             br = new BufferedReader(new FileReader(file));
 218                             while ((line = br.readLine()) != null) {
 219                                 // Append the log info
 220                                 text.append(line);
 221                                 text.append('\n');
 222                             }
 223                         }
 224                     }
 225                 }
 226             }
 227             catch (IOException e) {
 228                 Log_OC.d(TAG, e.getMessage().toString());
 229
 230             } finally {
 231                 if (br != null) {
 232                     try {
 233                         br.close();
 234                     } catch (IOException e) {
 235                         // ignore
 236                     }
 237                 }
 238             }
 239
 240             return text.toString();
 241         }
 242    }
 243
 244     /**
 245      * Show loading dialog
 246      */
 247     public void showLoadingDialog() {
 248         // Construct dialog
 249         LoadingDialog loading = new LoadingDialog(
 250                 getResources().getString(R.string.log_progress_dialog_text)
 251         );
 252         FragmentManager fm = getSupportFragmentManager();
 253         FragmentTransaction ft = fm.beginTransaction();
 254         loading.show(ft, DIALOG_WAIT_TAG);
 255     }
 256
 257     /**
 258      * Dismiss loading dialog
 259      */
 260     public void dismissLoadingDialog(){
 261         Fragment frag = getSupportFragmentManager().findFragmentByTag(DIALOG_WAIT_TAG);
 262         if (frag != null) {
 263             LoadingDialog loading = (LoadingDialog) frag;
 264             loading.dismiss();
 265         }
 266     }
 267 }