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 KEY_LOG_TEXT = "LOG_TEXT";
  57
  58     private static final String TAG = LogHistoryActivity.class.getSimpleName();
  59
  60     private static final String DIALOG_WAIT_TAG = "DIALOG_WAIT";
  61
  62     private String mLogPath = FileStorageUtils.getLogPath();
  63     private File logDIR = null;
  64     private String mLogText;
  65
  66
  67     @Override
  68     protected void onCreate(Bundle savedInstanceState) {
  69         super.onCreate(savedInstanceState);
  70
  71         setContentView(R.layout.log_send_file);
  72         setTitle(getText(R.string.actionbar_logger));
  73         ActionBar actionBar = getSherlock().getActionBar();
  74         actionBar.setIcon(DisplayUtils.getSeasonalIconId());
  75         actionBar.setDisplayHomeAsUpEnabled(true);
  76         Button deleteHistoryButton = (Button) findViewById(R.id.deleteLogHistoryButton);
  77         Button sendHistoryButton = (Button) findViewById(R.id.sendLogHistoryButton);
  78         TextView logTV = (TextView) findViewById(R.id.logTV);
  79
  80         deleteHistoryButton.setOnClickListener(new OnClickListener() {
  81
  82             @Override
  83             public void onClick(View v) {
  84
  85                 Log_OC.deleteHistoryLogging();
  86                 finish();
  87             }
  88         });
  89
  90         sendHistoryButton.setOnClickListener(new OnClickListener() {
  91
  92             @Override
  93             public void onClick(View v) {
  94                 sendMail();
  95             }
  96         });
  97
  98         if (savedInstanceState == null) {
  99             if (mLogPath != null) {
 100                 logDIR = new File(mLogPath);
 101             }
 102
 103             if (logDIR != null && logDIR.isDirectory()) {
 104                 // Show a dialog while log data is being loaded
 105                 showLoadingDialog();
 106
 107                 // Start a new thread that will load all the log data
 108                 LoadingLogTask task = new LoadingLogTask(logTV);
 109                 task.execute();
 110             }
 111         } else {
 112             mLogText = savedInstanceState.getString(KEY_LOG_TEXT);
 113             logTV.setText(mLogText);
 114         }
 115     }
 116
 117     @Override
 118     public boolean onMenuItemSelected(int featureId, MenuItem item) {
 119         super.onMenuItemSelected(featureId, item);
 120         switch (item.getItemId()) {
 121         case android.R.id.home:
 122             finish();
 123             break;
 124         default:
 125             return false;
 126         }
 127         return true;
 128     }
 129
 130
 131     /**
 132      * Start activity for sending email with logs attached
 133      */
 134     private void sendMail() {
 135
 136         // For the moment we need to consider the possibility that setup.xml
 137         // does not include the "mail_logger" entry. This block prevents that
 138         // compilation fails in this case.
 139         String emailAddress;
 140         try {
 141             Class<?> stringClass = R.string.class;
 142             Field mailLoggerField = stringClass.getField("mail_logger");
 143             int emailAddressId = (Integer) mailLoggerField.get(null);
 144             emailAddress = getString(emailAddressId);
 145         } catch (Exception e) {
 146             emailAddress = "";
 147         }
 148
 149         ArrayList<Uri> uris = new ArrayList<Uri>();
 150
 151         // Convert from paths to Android friendly Parcelable Uri's
 152         for (String file : Log_OC.getLogFileNames())
 153         {
 154             File logFile = new File(mLogPath, file);
 155             if (logFile.exists()) {
 156                 uris.add(Uri.fromFile(logFile));
 157             }
 158         }
 159
 160         Intent intent = new Intent(Intent.ACTION_SEND_MULTIPLE);
 161
 162         intent.putExtra(Intent.EXTRA_EMAIL, emailAddress);
 163         String subject = String.format(getString(R.string.log_send_mail_subject), getString(R.string.app_name));
 164         intent.putExtra(Intent.EXTRA_SUBJECT, subject);
 165         intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
 166         intent.setType(MAIL_ATTACHMENT_TYPE);
 167         intent.putParcelableArrayListExtra(Intent.EXTRA_STREAM, uris);
 168         try {
 169             startActivity(intent);
 170         } catch (ActivityNotFoundException e) {
 171             Toast.makeText(this, getString(R.string.log_send_no_mail_app), Toast.LENGTH_LONG).show();
 172             Log_OC.i(TAG, "Could not find app for sending log history.");
 173         }
 174
 175     }
 176
 177     /**
 178      *
 179      * Class for loading the log data async
 180      *
 181      */
 182     private class LoadingLogTask extends AsyncTask<String, Void, String> {
 183         private final WeakReference<TextView> textViewReference;
 184
 185         public LoadingLogTask(TextView logTV){
 186             // Use of a WeakReference to ensure the TextView can be garbage collected
 187             textViewReference  = new WeakReference<TextView>(logTV);
 188         }
 189
 190         protected String doInBackground(String... args) {
 191             return readLogFile();
 192         }
 193
 194         protected void onPostExecute(String result) {
 195             if (textViewReference != null && result != null) {
 196                 final TextView logTV = textViewReference.get();
 197                 if (logTV != null) {
 198                     mLogText = result;
 199                     logTV.setText(mLogText);
 200                     dismissLoadingDialog();
 201                 }
 202             }
 203         }
 204
 205         /**
 206          * Read and show log file info
 207          */
 208         private String readLogFile() {
 209
 210             String[] logFileName = Log_OC.getLogFileNames();
 211
 212             //Read text from files
 213             StringBuilder text = new StringBuilder();
 214
 215             BufferedReader br = null;
 216             try {
 217                 String line;
 218
 219                 for (int i = logFileName.length-1; i >= 0; i--) {
 220                     File file = new File(mLogPath,logFileName[i]);
 221                     if (file.exists()) {
 222                         // Check if FileReader is ready
 223                         if (new FileReader(file).ready()) {
 224                             br = new BufferedReader(new FileReader(file));
 225                             while ((line = br.readLine()) != null) {
 226                                 // Append the log info
 227                                 text.append(line);
 228                                 text.append('\n');
 229                             }
 230                         }
 231                     }
 232                 }
 233             }
 234             catch (IOException e) {
 235                 Log_OC.d(TAG, e.getMessage().toString());
 236
 237             } finally {
 238                 if (br != null) {
 239                     try {
 240                         br.close();
 241                     } catch (IOException e) {
 242                         // ignore
 243                     }
 244                 }
 245             }
 246
 247             return text.toString();
 248         }
 249    }
 250
 251     /**
 252      * Show loading dialog
 253      */
 254     public void showLoadingDialog() {
 255         // Construct dialog
 256         LoadingDialog loading = new LoadingDialog(
 257                 getResources().getString(R.string.log_progress_dialog_text)
 258         );
 259         FragmentManager fm = getSupportFragmentManager();
 260         FragmentTransaction ft = fm.beginTransaction();
 261         loading.show(ft, DIALOG_WAIT_TAG);
 262     }
 263
 264     /**
 265      * Dismiss loading dialog
 266      */
 267     public void dismissLoadingDialog(){
 268         Fragment frag = getSupportFragmentManager().findFragmentByTag(DIALOG_WAIT_TAG);
 269         if (frag != null) {
 270             LoadingDialog loading = (LoadingDialog) frag;
 271             loading.dismiss();
 272         }
 273     }
 274
 275     @Override
 276     protected void onSaveInstanceState(Bundle outState) {
 277         super.onSaveInstanceState(outState);
 278
 279         /// global state
 280         outState.putString(KEY_LOG_TEXT, mLogText);
 281     }
 282 }