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.Intent;
  29 import android.net.Uri;
  30 import android.os.AsyncTask;
  31 import android.os.Bundle;
  32 import android.support.v4.app.Fragment;
  33 import android.support.v4.app.FragmentManager;
  34 import android.support.v4.app.FragmentTransaction;
  35 import android.view.View;
  36 import android.view.View.OnClickListener;
  37 import android.widget.Button;
  38 import android.widget.TextView;
  39
  40 import com.actionbarsherlock.app.ActionBar;
  41 import com.actionbarsherlock.app.SherlockFragmentActivity;
  42 import com.actionbarsherlock.view.MenuItem;
  43 import com.owncloud.android.R;
  44 import com.owncloud.android.lib.common.utils.Log_OC;
  45 import com.owncloud.android.ui.dialog.LoadingDialog;
  46 import com.owncloud.android.utils.DisplayUtils;
  47 import com.owncloud.android.utils.FileStorageUtils;
  48
  49
  50 public class LogHistoryActivity extends SherlockFragmentActivity  {
  51
  52     private static final String MAIL_ATTACHMENT_TYPE = "text/plain";
  53
  54     private static final String KEY_LOG_TEXT = "LOG_TEXT";
  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     private String mLogText;
  63
  64
  65     @Override
  66     protected void onCreate(Bundle savedInstanceState) {
  67         super.onCreate(savedInstanceState);
  68
  69         setContentView(R.layout.log_send_file);
  70         setTitle(getText(R.string.actionbar_logger));
  71         ActionBar actionBar = getSherlock().getActionBar();
  72         actionBar.setIcon(DisplayUtils.getSeasonalIconId());
  73         actionBar.setDisplayHomeAsUpEnabled(true);
  74         Button deleteHistoryButton = (Button) findViewById(R.id.deleteLogHistoryButton);
  75         Button sendHistoryButton = (Button) findViewById(R.id.sendLogHistoryButton);
  76         TextView logTV = (TextView) findViewById(R.id.logTV);
  77
  78         deleteHistoryButton.setOnClickListener(new OnClickListener() {
  79
  80             @Override
  81             public void onClick(View v) {
  82
  83                 Log_OC.deleteHistoryLogging();
  84                 finish();
  85             }
  86         });
  87
  88         sendHistoryButton.setOnClickListener(new OnClickListener() {
  89
  90             @Override
  91             public void onClick(View v) {
  92                 sendMail();
  93             }
  94         });
  95
  96         if (savedInstanceState == null) {
  97             if (mLogPath != null) {
  98                 logDIR = new File(mLogPath);
  99             }
 100
 101             if (logDIR != null && logDIR.isDirectory()) {
 102                 // Show a dialog while log data is being loaded
 103                 showLoadingDialog();
 104
 105                 // Start a new thread that will load all the log data
 106                 LoadingLogTask task = new LoadingLogTask(logTV);
 107                 task.execute();
 108             }
 109         } else {
 110             mLogText = savedInstanceState.getString(KEY_LOG_TEXT);
 111             logTV.setText(mLogText);
 112         }
 113     }
 114
 115     @Override
 116     public boolean onMenuItemSelected(int featureId, MenuItem item) {
 117         super.onMenuItemSelected(featureId, item);
 118         switch (item.getItemId()) {
 119         case android.R.id.home:
 120             finish();
 121             break;
 122         default:
 123             return false;
 124         }
 125         return true;
 126     }
 127
 128
 129     /**
 130      * Start activity for sending email with logs attached
 131      */
 132     private void sendMail() {
 133
 134         String emailAddress;
 135         try {
 136             Class<?> stringClass = R.string.class;
 137             Field mailLoggerField = stringClass.getField("mail_logger");
 138             int emailAddressId = (Integer)mailLoggerField.get(null);
 139             emailAddress = getString(emailAddressId);
 140
 141         } catch (Exception e) {
 142             emailAddress = "";
 143         }
 144
 145         ArrayList<Uri> uris = new ArrayList<Uri>();
 146
 147         // Convert from paths to Android friendly Parcelable Uri's
 148         for (String file : Log_OC.getLogFileNames())
 149         {
 150             if (new File(mLogPath + File.separator, file).exists()) {
 151                 Uri u = Uri.parse("file://" + mLogPath + File.separator + file);
 152                 uris.add(u);
 153             }
 154         }
 155
 156         Intent intent = new Intent(Intent.ACTION_SEND_MULTIPLE);
 157
 158         // Explicitly only use Gmail to send
 159         intent.setClassName("com.google.android.gm","com.google.android.gm.ComposeActivityGmail");
 160         intent.putExtra(Intent.EXTRA_EMAIL, new String[]{ emailAddress });
 161         intent.putExtra(Intent.EXTRA_SUBJECT, getText(R.string.log_mail_subject));
 162         intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
 163         intent.setType(MAIL_ATTACHMENT_TYPE);
 164         intent.putParcelableArrayListExtra(Intent.EXTRA_STREAM, uris);
 165
 166         if (intent.resolveActivity(getPackageManager()) != null) {
 167             startActivity(intent);
 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                     mLogText = result;
 193                     logTV.setText(mLogText);
 194                     dismissLoadingDialog();
 195                 }
 196             }
 197         }
 198
 199         /**
 200          * Read and show log file info
 201          */
 202         private String readLogFile() {
 203
 204             String[] logFileName = Log_OC.getLogFileNames();
 205
 206             //Read text from files
 207             StringBuilder text = new StringBuilder();
 208
 209             BufferedReader br = null;
 210             try {
 211                 String line;
 212
 213                 for (int i = logFileName.length-1; i >= 0; i--) {
 214                     File file = new File(mLogPath,logFileName[i]);
 215                     if (file.exists()) {
 216                         // Check if FileReader is ready
 217                         if (new FileReader(file).ready()) {
 218                             br = new BufferedReader(new FileReader(file));
 219                             while ((line = br.readLine()) != null) {
 220                                 // Append the log info
 221                                 text.append(line);
 222                                 text.append('\n');
 223                             }
 224                         }
 225                     }
 226                 }
 227             }
 228             catch (IOException e) {
 229                 Log_OC.d(TAG, e.getMessage().toString());
 230
 231             } finally {
 232                 if (br != null) {
 233                     try {
 234                         br.close();
 235                     } catch (IOException e) {
 236                         // ignore
 237                     }
 238                 }
 239             }
 240
 241             return text.toString();
 242         }
 243    }
 244
 245     /**
 246      * Show loading dialog
 247      */
 248     public void showLoadingDialog() {
 249         // Construct dialog
 250         LoadingDialog loading = new LoadingDialog(
 251                 getResources().getString(R.string.log_progress_dialog_text)
 252         );
 253         FragmentManager fm = getSupportFragmentManager();
 254         FragmentTransaction ft = fm.beginTransaction();
 255         loading.show(ft, DIALOG_WAIT_TAG);
 256     }
 257
 258     /**
 259      * Dismiss loading dialog
 260      */
 261     public void dismissLoadingDialog(){
 262         Fragment frag = getSupportFragmentManager().findFragmentByTag(DIALOG_WAIT_TAG);
 263         if (frag != null) {
 264             LoadingDialog loading = (LoadingDialog) frag;
 265             loading.dismiss();
 266         }
 267     }
 268
 269     @Override
 270     protected void onSaveInstanceState(Bundle outState) {
 271         super.onSaveInstanceState(outState);
 272
 273         /// global state
 274         outState.putString(KEY_LOG_TEXT, mLogText);
 275     }
 276 }