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.util.ArrayList;
  26
  27 import android.content.Intent;
  28 import android.net.Uri;
  29 import android.os.AsyncTask;
  30 import android.os.Bundle;
  31 import android.support.v4.app.Fragment;
  32 import android.support.v4.app.FragmentManager;
  33 import android.support.v4.app.FragmentTransaction;
  34 import android.view.View;
  35 import android.view.View.OnClickListener;
  36 import android.widget.Button;
  37 import android.widget.TextView;
  38
  39 import com.actionbarsherlock.app.ActionBar;
  40 import com.actionbarsherlock.app.SherlockFragmentActivity;
  41 import com.actionbarsherlock.view.MenuItem;
  42 import com.owncloud.android.R;
  43 import com.owncloud.android.lib.common.utils.Log_OC;
  44 import com.owncloud.android.ui.dialog.LoadingDialog;
  45 import com.owncloud.android.utils.DisplayUtils;
  46 import com.owncloud.android.utils.FileStorageUtils;
  47
  48
  49 public class LogHistoryActivity extends SherlockFragmentActivity  {
  50
  51     private static final String MAIL_ATTACHMENT_TYPE = "text/plain";
  52
  53     private static final String TAG = LogHistoryActivity.class.getSimpleName();
  54
  55     private static final String DIALOG_WAIT_TAG = "DIALOG_WAIT";
  56
  57     private String mLogPath = FileStorageUtils.getLogPath();
  58     private File logDIR = null;
  59
  60
  61     @Override
  62     protected void onCreate(Bundle savedInstanceState) {
  63         super.onCreate(savedInstanceState);
  64
  65         setContentView(R.layout.log_send_file);
  66         setTitle(getText(R.string.actionbar_logger));
  67         ActionBar actionBar = getSherlock().getActionBar();
  68         actionBar.setIcon(DisplayUtils.getSeasonalIconId());
  69         actionBar.setDisplayHomeAsUpEnabled(true);
  70         Button deleteHistoryButton = (Button) findViewById(R.id.deleteLogHistoryButton);
  71         Button sendHistoryButton = (Button) findViewById(R.id.sendLogHistoryButton);
  72
  73         deleteHistoryButton.setOnClickListener(new OnClickListener() {
  74
  75             @Override
  76             public void onClick(View v) {
  77
  78                 Log_OC.deleteHistoryLogging();
  79                 finish();
  80             }
  81         });
  82
  83         sendHistoryButton.setOnClickListener(new OnClickListener() {
  84
  85             @Override
  86             public void onClick(View v) {
  87                 sendMail();
  88             }
  89         });
  90
  91         if (mLogPath != null) {
  92             logDIR = new File(mLogPath);
  93         }
  94
  95         if (logDIR != null && logDIR.isDirectory()) {
  96             // Show a dialog while log data is being loaded
  97             showLoadingDialog();
  98
  99             TextView logTV = (TextView) findViewById(R.id.logTV);
 100
 101             // Start a new thread that will load all the log data
 102             LoadingLogTask task = new LoadingLogTask(logTV);
 103             task.execute();
 104
 105         }
 106     }
 107
 108     @Override
 109     public boolean onMenuItemSelected(int featureId, MenuItem item) {
 110         super.onMenuItemSelected(featureId, item);
 111         switch (item.getItemId()) {
 112         case android.R.id.home:
 113             finish();
 114             break;
 115         default:
 116             return false;
 117         }
 118         return true;
 119     }
 120
 121
 122     /**
 123      * Start activity for sending email with logs attached
 124      */
 125     private void sendMail() {
 126
 127         String emailAddress = getString(R.string.mail_logger);
 128
 129         ArrayList<Uri> uris = new ArrayList<Uri>();
 130
 131         // Convert from paths to Android friendly Parcelable Uri's
 132         for (String file : Log_OC.getLogFileNames())
 133         {
 134             File logFile = new File(mLogPath, file);
 135             if (logFile.exists()) {
 136                 uris.add(Uri.fromFile(logFile));
 137             }
 138         }
 139
 140         Intent intent = new Intent(Intent.ACTION_SEND_MULTIPLE);
 141
 142         intent.putExtra(Intent.EXTRA_EMAIL, emailAddress);
 143         intent.putExtra(Intent.EXTRA_SUBJECT, getText(R.string.log_mail_subject));
 144         intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
 145         intent.setType(MAIL_ATTACHMENT_TYPE);
 146         intent.putParcelableArrayListExtra(Intent.EXTRA_STREAM, uris);
 147
 148         startActivity(Intent.createChooser(intent, getString(R.string.log_send_chooser_title)));
 149     }
 150
 151     /**
 152      *
 153      * Class for loading the log data async
 154      *
 155      */
 156     private class LoadingLogTask extends AsyncTask<String, Void, String> {
 157         private final WeakReference<TextView> textViewReference;
 158
 159         public LoadingLogTask(TextView logTV){
 160             // Use of a WeakReference to ensure the TextView can be garbage collected
 161             textViewReference  = new WeakReference<TextView>(logTV);
 162         }
 163
 164         protected String doInBackground(String... args) {
 165             return readLogFile();
 166         }
 167
 168         protected void onPostExecute(String result) {
 169             if (textViewReference != null && result != null) {
 170                 final TextView logTV = textViewReference.get();
 171                 if (logTV != null) {
 172                     logTV.setText(result);
 173                     dismissLoadingDialog();
 174                 }
 175             }
 176         }
 177
 178         /**
 179          * Read and show log file info
 180          */
 181         private String readLogFile() {
 182
 183             String[] logFileName = Log_OC.getLogFileNames();
 184
 185             //Read text from files
 186             StringBuilder text = new StringBuilder();
 187
 188             BufferedReader br = null;
 189             try {
 190                 String line;
 191
 192                 for (int i = logFileName.length-1; i >= 0; i--) {
 193                     File file = new File(mLogPath,logFileName[i]);
 194                     if (file.exists()) {
 195                         // Check if FileReader is ready
 196                         if (new FileReader(file).ready()) {
 197                             br = new BufferedReader(new FileReader(file));
 198                             while ((line = br.readLine()) != null) {
 199                                 // Append the log info
 200                                 text.append(line);
 201                                 text.append('\n');
 202                             }
 203                         }
 204                     }
 205                 }
 206             }
 207             catch (IOException e) {
 208                 Log_OC.d(TAG, e.getMessage().toString());
 209
 210             } finally {
 211                 if (br != null) {
 212                     try {
 213                         br.close();
 214                     } catch (IOException e) {
 215                         // ignore
 216                     }
 217                 }
 218             }
 219
 220             return text.toString();
 221         }
 222    }
 223
 224     /**
 225      * Show loading dialog
 226      */
 227     public void showLoadingDialog() {
 228         // Construct dialog
 229         LoadingDialog loading = new LoadingDialog(
 230                 getResources().getString(R.string.log_progress_dialog_text)
 231         );
 232         FragmentManager fm = getSupportFragmentManager();
 233         FragmentTransaction ft = fm.beginTransaction();
 234         loading.show(ft, DIALOG_WAIT_TAG);
 235     }
 236
 237     /**
 238      * Dismiss loading dialog
 239      */
 240     public void dismissLoadingDialog(){
 241         Fragment frag = getSupportFragmentManager().findFragmentByTag(DIALOG_WAIT_TAG);
 242         if (frag != null) {
 243             LoadingDialog loading = (LoadingDialog) frag;
 244             loading.dismiss();
 245         }
 246     }
 247 }